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2.5: Sound branch merge!

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This commit is contained in:
Joerg Mueller 2009-08-09 21:16:39 +00:00
parent c1ca2ab5dc
commit 6c5c58e057
179 changed files with 14037 additions and 1197 deletions
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4
CMake/macros.cmake
View File

@ -43,7 +43,7 @@ MACRO(SETUP_LIBDIRS)
CMAKE_POLICY(SET CMP0003 NEW)
endif(COMMAND cmake_policy)
LINK_DIRECTORIES(${PYTHON_LIBPATH} ${SDL_LIBPATH} ${JPEG_LIBPATH} ${PNG_LIBPATH} ${ZLIB_LIBPATH} ${ICONV_LIBPATH} ${OPENEXR_LIBPATH} ${QUICKTIME_LIBPATH} ${FFMPEG_LIBPATH})
LINK_DIRECTORIES(${FREETYPE_LIBPATH})
LINK_DIRECTORIES(${FREETYPE_LIBPATH} ${LIBSAMPLERATE_LIBPATH})
IF(WITH_INTERNATIONAL)
LINK_DIRECTORIES(${GETTEXT_LIBPATH})
ENDIF(WITH_INTERNATIONAL)
@ -82,7 +82,7 @@ MACRO(SETUP_LIBLINKS
TARGET_LINK_LIBRARIES(${target} ${OPENGL_gl_LIBRARY} ${OPENGL_glu_LIBRARY} ${PYTHON_LINKFLAGS} ${JPEG_LIB} ${PNG_LIB} ${ZLIB_LIB} ${SDL_LIB} ${LLIBS})
TARGET_LINK_LIBRARIES(${target} ${FREETYPE_LIB})
TARGET_LINK_LIBRARIES(${target} ${FREETYPE_LIB} ${LIBSAMPLERATE_LIB})
# since we are using the local libs for python when compiling msvc projects, we need to add _d when compiling debug versions

24
CMakeLists.txt
View File

@ -165,6 +165,11 @@ IF(UNIX AND NOT APPLE)
SET(FFTW3_LIBPATH ${FFTW3}/lib)
ENDIF(WITH_FFTW3)
SET(LIBSAMPLERATE /usr)
SET(LIBSAMPLERATE_INC ${LIBSAMPLERATE}/include)
SET(LIBSAMPLERATE_LIB samplerate)
SET(LIBSAMPLERATE_LIBPATH ${LIBSAMPLERATE}/lib)
FIND_PACKAGE(JPEG REQUIRED)
FIND_PACKAGE(PNG REQUIRED)
@ -213,11 +218,11 @@ IF(WIN32)
IF(CMAKE_CL_64)
SET(WITH_OPENAL OFF)
ELSE(CMAKE_CL_64)
#SET(WITH_OPENAL ON)
SET(OPENAL ${LIBDIR}/openal)
SET(OPENAL_INC ${OPENAL}/include ${OPENAL}/include/AL)
SET(OPENAL_LIB openal_static)
SET(OPENAL_LIBPATH ${OPENAL}/lib)
#SET(WITH_OPENAL ON)
SET(OPENAL ${LIBDIR}/openal)
SET(OPENAL_INC ${OPENAL}/include)
SET(OPENAL_LIB wrap_oal)
SET(OPENAL_LIBPATH ${OPENAL}/lib)
ENDIF(CMAKE_CL_64)
IF(CMAKE_CL_64)
@ -286,15 +291,16 @@ IF(WIN32)
SET(FFMPEG_LIB avcodec-52 avformat-52 avdevice-52 avutil-50 swscale-0)
SET(FFMPEG_LIBPATH ${FFMPEG}/lib)
SET(LIBSAMPLERATE ${LIBDIR}/samplerate)
SET(LIBSAMPLERATE_INC ${LIBSAMPLERATE}/include)
SET(LIBSAMPLERATE_LIB libsamplerate)
SET(LIBSAMPLERATE_LIBPATH ${LIBSAMPLERATE}/lib)
IF(CMAKE_CL_64)
SET(LLIBS kernel32 user32 vfw32 winmm ws2_32 )
ELSE(CMAKE_CL_64)
SET(LLIBS kernel32 user32 gdi32 comdlg32 advapi32 shell32 ole32 oleaut32 uuid ws2_32 vfw32 winmm)
ENDIF(CMAKE_CL_64)
IF(WITH_OPENAL)
SET(LLIBS ${LLIBS} dxguid)
ENDIF(WITH_OPENAL)
SET(CMAKE_CXX_FLAGS_DEBUG "/D_CRT_NONSTDC_NO_DEPRECATE /D_CRT_SECURE_NO_DEPRECATE /D_SCL_SECURE_NO_DEPRECATE /wd4800 /wd4244 /wd4305 /D_DEBUG /Od /Gm /EHsc /RTC1 /MTd /W3 /nologo /ZI /J" CACHE STRING "MSVC MT flags " FORCE)
SET(CMAKE_CXX_FLAGS_RELEASE "/D_CRT_NONSTDC_NO_DEPRECATE /D_CRT_SECURE_NO_DEPRECATE /D_SCL_SECURE_NO_DEPRECATE /wd4800 /wd4244 /wd4305 /O2 /Ob2 /DNDEBUG /EHsc /MT /W3 /nologo /J" CACHE STRING "MSVC MT flags " FORCE)

12
config/darwin-config.py
View File

@ -86,11 +86,6 @@ else:
BF_QUIET = '1'
WITH_BF_OPENMP = '0'
# Note : should be true, but openal simply dont work on intel
if MAC_PROC == 'i386':
WITH_BF_OPENAL = False
else:
WITH_BF_OPENAL = True
#different lib must be used following version of gcc
# for gcc 3.3
#BF_OPENAL = LIBDIR + '/openal'
@ -112,7 +107,7 @@ BF_CXX = '/usr'
WITH_BF_STATICCXX = False
BF_CXX_LIB_STATIC = '${BF_CXX}/lib/libstdc++.a'
BF_LIBSAMPLERATE = LIBDIR + '/SRC'
BF_LIBSAMPLERATE = LIBDIR + '/samplerate'
BF_LIBSAMPLERATE_INC = '${BF_LIBSAMPLERATE}/include'
BF_LIBSAMPLERATE_LIB = 'samplerate'
BF_LIBSAMPLERATE_LIBPATH = '${BF_LIBSAMPLERATE}/lib'
@ -206,11 +201,6 @@ BF_ICONV_INC = '${BF_ICONV}/include'
BF_ICONV_LIB = 'iconv'
#BF_ICONV_LIBPATH = '${BF_ICONV}/lib'
BF_LIBSAMPLERATE = LIBDIR + '/samplerate'
BF_LIBSAMPLERATE_INC = '${BF_LIBSAMPLERATE}/include'
BF_LIBSAMPLERATE_LIB = 'samplerate'
BF_LIBSAMPLERATE_LIBPATH = '${BF_LIBSAMPLERATE}/lib'
# Mesa Libs should go here if your using them as well....
WITH_BF_STATICOPENGL = True
BF_OPENGL_LIB = 'GL GLU'

5
config/irix6-config.py
View File

@ -24,6 +24,11 @@ BF_CXX = '/usr'
WITH_BF_STATICCXX = 'false'
BF_CXX_LIB_STATIC = '${BF_CXX}/lib/libstdc++.a'
BF_LIBSAMPLERATE = LCGDIR+'/samplerate'
BF_LIBSAMPLERATE_INC = '${BF_LIBSAMPLERATE}/include'
BF_LIBSAMPLERATE_LIB = 'samplerate'
BF_LIBSAMPLERATE_LIBPATH = '${BF_LIBSAMPLERATE}/lib'
WITH_BF_SDL = 'true'
BF_SDL = LCGDIR+'/sdl' #$(shell sdl-config --prefix)
BF_SDL_INC = '${BF_SDL}/include/SDL' #$(shell $(BF_SDL)/bin/sdl-config --cflags)

5
config/linux2-config.py
View File

@ -22,6 +22,11 @@ BF_CXX = '/usr'
WITH_BF_STATICCXX = False
BF_CXX_LIB_STATIC = '${BF_CXX}/lib/libstdc++.a'
BF_LIBSAMPLERATE = '/usr'
BF_LIBSAMPLERATE_INC = '${BF_LIBSAMPLERATE}/include'
BF_LIBSAMPLERATE_LIB = 'samplerate'
BF_LIBSAMPLERATE_LIBPATH = '${BF_LIBSAMPLERATE}/lib'
WITH_BF_SDL = True
BF_SDL = '/usr' #$(shell sdl-config --prefix)
BF_SDL_INC = '${BF_SDL}/include/SDL' #$(shell $(BF_SDL)/bin/sdl-config --cflags)

5
config/linuxcross-config.py
View File

@ -22,6 +22,11 @@ BF_CXX = '/usr'
WITH_BF_STATICCXX = False
BF_CXX_LIB_STATIC = '${BF_CXX}/lib/libstdc++.a'
BF_LIBSAMPLERATE = LIBDIR + '/samplerate'
BF_LIBSAMPLERATE_INC = '${BF_LIBSAMPLERATE}/include'
BF_LIBSAMPLERATE_LIB = 'samplerate'
BF_LIBSAMPLERATE_LIBPATH = '${BF_LIBSAMPLERATE}/lib'
WITH_BF_SDL = True
BF_SDL = LIBDIR + '/sdl'
BF_SDL_INC = '${BF_SDL}/include'

5
config/openbsd3-config.py
View File

@ -16,6 +16,11 @@ WITH_BF_OPENAL = False
#BF_OPENAL_LIBPATH = '${BF_OPENAL}/lib'
#BF_OPENAL_LIB_STATIC = '${BF_OPENAL}/lib/libopenal.a'
BF_LIBSAMPLERATE = '/usr/local'
BF_LIBSAMPLERATE_INC = '${BF_LIBSAMPLERATE}/include'
BF_LIBSAMPLERATE_LIB = 'samplerate'
BF_LIBSAMPLERATE_LIBPATH = '${BF_LIBSAMPLERATE}/lib'
WITH_BF_SDL = True
BF_SDL = '/usr/local' #$(shell sdl-config --prefix)
BF_SDL_INC = '${BF_SDL}/include/SDL' #$(shell $(BF_SDL)/bin/sdl-config --cflags)

7
config/sunos5-config.py
View File

@ -22,6 +22,11 @@ BF_CXX = '/usr'
WITH_BF_STATICCXX = False
BF_CXX_LIB_STATIC = '${BF_CXX}/lib/libstdc++.a'
BF_LIBSAMPLERATE = '/usr/local'
BF_LIBSAMPLERATE_INC = '${BF_LIBSAMPLERATE}/include'
BF_LIBSAMPLERATE_LIB = 'samplerate'
BF_LIBSAMPLERATE_LIBPATH = '${BF_LIBSAMPLERATE}/lib'
WITH_BF_SDL = True
BF_SDL = '/usr/local' #$(shell sdl-config --prefix)
BF_SDL_INC = '${BF_SDL}/include/SDL' #$(shell $(BF_SDL)/bin/sdl-config --cflags)
@ -109,7 +114,7 @@ BF_ICONV_LIB = 'iconv'
BF_ICONV_LIBPATH = '${BF_ICONV}/lib'
# enable ffmpeg support
WITH_BF_FFMPEG = False # -DWITH_FFMPEG
WITH_BF_FFMPEG = True # -DWITH_FFMPEG
BF_FFMPEG = '/usr/local'
BF_FFMPEG_INC = '${BF_FFMPEG}/include'
BF_FFMPEG_LIBPATH='${BF_FFMPEG}/lib'

7
config/win32-mingw-config.py
View File

@ -18,7 +18,7 @@ BF_PYTHON_LIB_STATIC = '${BF_PYTHON}/lib/libpython${BF_PYTHON_VERSION[0]}${BF_PY
WITH_BF_OPENAL = True
BF_OPENAL = LIBDIR + '/openal'
BF_OPENAL_INC = '${BF_OPENAL}/include'
BF_OPENAL_LIB = 'OpenAL32 wrap_oal'
BF_OPENAL_LIB = 'wrap_oal'
BF_OPENAL_LIBPATH = '${BF_OPENAL}/lib'
WITH_BF_FFMPEG = False
@ -26,6 +26,11 @@ BF_FFMPEG_LIB = 'avformat swscale avcodec avutil avdevice xvidcore x264'
BF_FFMPEG_LIBPATH = LIBDIR + '/gcc/ffmpeg/lib'
BF_FFMPEG_INC = LIBDIR + '/gcc/ffmpeg/include'
BF_LIBSAMPLERATE = LIBDIR + '/samplerate'
BF_LIBSAMPLERATE_INC = '${BF_LIBSAMPLERATE}/include'
BF_LIBSAMPLERATE_LIB = 'libsamplerate'
BF_LIBSAMPLERATE_LIBPATH = '${BF_LIBSAMPLERATE}/lib'
WITH_BF_SDL = True
BF_SDL = LIBDIR + '/sdl'
BF_SDL_INC = '${BF_SDL}/include'

9
config/win32-vc-config.py
View File

@ -17,8 +17,8 @@ BF_PYTHON_LIBPATH = '${BF_PYTHON}/lib'
WITH_BF_OPENAL = True
BF_OPENAL = LIBDIR + '/openal'
BF_OPENAL_INC = '${BF_OPENAL}/include ${BF_OPENAL}/include/AL '
BF_OPENAL_LIB = 'OpenAL32 wrap_oal'
BF_OPENAL_INC = '${BF_OPENAL}/include '
BF_OPENAL_LIB = 'wrap_oal'
BF_OPENAL_LIBPATH = '${BF_OPENAL}/lib'
# TODO - are these useful on win32?
@ -32,6 +32,11 @@ BF_ICONV_INC = '${BF_ICONV}/include'
BF_ICONV_LIB = 'iconv'
BF_ICONV_LIBPATH = '${BF_ICONV}/lib'
BF_LIBSAMPLERATE = LIBDIR + '/samplerate'
BF_LIBSAMPLERATE_INC = '${BF_LIBSAMPLERATE}/include'
BF_LIBSAMPLERATE_LIB = 'libsamplerate'
BF_LIBSAMPLERATE_LIBPATH = '${BF_LIBSAMPLERATE}/lib'
WITH_BF_SDL = True
BF_SDL = LIBDIR + '/sdl'
BF_SDL_INC = '${BF_SDL}/include'

9
config/win64-vc-config.py
View File

@ -17,8 +17,8 @@ BF_PYTHON_LIBPATH = '${BF_PYTHON}/lib'
WITH_BF_OPENAL = False
BF_OPENAL = LIBDIR + '/openal'
BF_OPENAL_INC = '${BF_OPENAL}/include ${BF_OPENAL}/include/AL '
BF_OPENAL_LIB = 'OpenAL32 wrap_oal'
BF_OPENAL_INC = '${BF_OPENAL}/include '
BF_OPENAL_LIB = 'wrap_oal'
BF_OPENAL_LIBPATH = '${BF_OPENAL}/lib'
# TODO - are these useful on win32?
@ -32,6 +32,11 @@ BF_ICONV_INC = '${BF_ICONV}/include'
BF_ICONV_LIB = 'iconv'
BF_ICONV_LIBPATH = '${BF_ICONV}/lib'
BF_LIBSAMPLERATE = LIBDIR + '/samplerate'
BF_LIBSAMPLERATE_INC = '${BF_LIBSAMPLERATE}/include'
BF_LIBSAMPLERATE_LIB = 'libsamplerate'
BF_LIBSAMPLERATE_LIBPATH = '${BF_LIBSAMPLERATE}/lib'
WITH_BF_SDL = True
BF_SDL = LIBDIR + '/sdl'
BF_SDL_INC = '${BF_SDL}/include'

1
intern/CMakeLists.txt
View File

@ -24,6 +24,7 @@
#
# ***** END GPL LICENSE BLOCK *****
ADD_SUBDIRECTORY(audaspace)
ADD_SUBDIRECTORY(SoundSystem)
ADD_SUBDIRECTORY(string)
ADD_SUBDIRECTORY(ghost)

2
intern/Makefile
View File

@ -32,7 +32,7 @@ SOURCEDIR = intern
# include nan_subdirs.mk
ALLDIRS = string ghost guardedalloc moto container memutil
ALLDIRS += decimation iksolver bsp SoundSystem opennl elbeem boolop smoke
ALLDIRS += decimation iksolver bsp SoundSystem opennl elbeem boolop smoke audaspace
all::
@for i in $(ALLDIRS); do \

3
intern/SConscript
View File

@ -1,7 +1,8 @@
#!/usr/bin/python
Import ('env')
SConscript(['SoundSystem/SConscript',
SConscript(['audaspace/SConscript',
'SoundSystem/SConscript',
'string/SConscript',
'ghost/SConscript',
'guardedalloc/SConscript',

330
intern/audaspace/AUD_C-API.h Normal file
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@ -0,0 +1,330 @@
/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#ifndef AUD_CAPI
#define AUD_CAPI
#ifdef __cplusplus
extern "C" {
#endif
#include "intern/AUD_Space.h"
typedef enum
{
AUD_NULL_DEVICE = 0,
AUD_SDL_DEVICE,
AUD_OPENAL_DEVICE
} AUD_DeviceType;
typedef struct
{
AUD_Specs specs;
float length;
} AUD_SoundInfo;
#ifndef AUD_CAPI_IMPLEMENTATION
typedef void AUD_Sound;
typedef void AUD_Handle;
typedef void AUD_Device;
#endif
/**
* Initializes an audio device.
* \param device The device type that should be used.
* \param specs The audio specification to be used.
* \param buffersize The buffersize for the device.
* \return Whether the device has been initialized.
*/
extern int AUD_init(AUD_DeviceType device, AUD_Specs specs, int buffersize);
/**
* Returns a integer list with available sound devices. The last one is always
* AUD_NULL_DEVICE.
*/
extern int* AUD_enumDevices();
/**
* Unitinitializes an audio device.
*/
extern void AUD_exit();
/**
* Locks the playback device.
*/
extern void AUD_lock();
/**
* Unlocks the device.
*/
extern void AUD_unlock();
/**
* Returns information about a sound.
* \param sound The sound to get the info about.
* \return The AUD_SoundInfo structure with filled in data.
*/
extern AUD_SoundInfo AUD_getInfo(AUD_Sound* sound);
/**
* Loads a sound file.
* \param filename The filename of the sound file.
* \return A handle of the sound file.
*/
extern AUD_Sound* AUD_load(const char* filename);
/**
* Loads a sound file.
* \param buffer The buffer which contains the sound file.
* \param size The size of the buffer.
* \return A handle of the sound file.
*/
extern AUD_Sound* AUD_loadBuffer(unsigned char* buffer, int size);
/**
* Buffers a sound.
* \param sound The sound to buffer.
* \return A handle of the sound buffer.
*/
extern AUD_Sound* AUD_bufferSound(AUD_Sound* sound);
/**
* Delays a sound.
* \param sound The sound to dealy.
* \param delay The delay in seconds.
* \return A handle of the delayed sound.
*/
extern AUD_Sound* AUD_delaySound(AUD_Sound* sound, float delay);
/**
* Limits a sound.
* \param sound The sound to limit.
* \param start The start time in seconds.
* \param end The stop time in seconds.
* \return A handle of the limited sound.
*/
extern AUD_Sound* AUD_limitSound(AUD_Sound* sound, float start, float end);
/**
* Ping pongs a sound.
* \param sound The sound to ping pong.
* \return A handle of the ping pong sound.
*/
extern AUD_Sound* AUD_pingpongSound(AUD_Sound* sound);
/**
* Loops a sound.
* \param sound The sound to loop.
* \return A handle of the looped sound.
*/
extern AUD_Sound* AUD_loopSound(AUD_Sound* sound);
/**
* Stops a looping sound when the current playback finishes.
* \param handle The playback handle.
* \return Whether the handle is valid.
*/
extern int AUD_stopLoop(AUD_Handle* handle);
/**
* Unloads a sound of any type.
* \param sound The handle of the sound.
*/
extern void AUD_unload(AUD_Sound* sound);
/**
* Plays back a sound file.
* \param sound The handle of the sound file.
* \param keep When keep is true the sound source will not be deleted but set to
* paused when its end has been reached.
* \return A handle to the played back sound.
*/
extern AUD_Handle* AUD_play(AUD_Sound* sound, int keep);
/**
* Pauses a played back sound.
* \param handle The handle to the sound.
* \return Whether the handle has been playing or not.
*/
extern int AUD_pause(AUD_Handle* handle);
/**
* Resumes a paused sound.
* \param handle The handle to the sound.
* \return Whether the handle has been paused or not.
*/
extern int AUD_resume(AUD_Handle* handle);
/**
* Stops a playing or paused sound.
* \param handle The handle to the sound.
* \return Whether the handle has been valid or not.
*/
extern int AUD_stop(AUD_Handle* handle);
/**
* Sets the end behaviour of a playing or paused sound.
* \param handle The handle to the sound.
* \param keep When keep is true the sound source will not be deleted but set to
* paused when its end has been reached.
* \return Whether the handle has been valid or not.
*/
extern int AUD_setKeep(AUD_Handle* handle, int keep);
/**
* Seeks a playing or paused sound.
* \param handle The handle to the sound.
* \param seekTo From where the sound file should be played back in seconds.
* \return Whether the handle has been valid or not.
*/
extern int AUD_seek(AUD_Handle* handle, float seekTo);
/**
* Retrieves the playback position of a handle.
* \return The current playback position in seconds or 0.0 if the handle is
* invalid.
*/
extern float AUD_getPosition(AUD_Handle* handle);
/**
* Returns the status of a playing, paused or stopped sound.
* \param handle The handle to the sound.
* \return The status of the sound behind the handle.
*/
extern AUD_Status AUD_getStatus(AUD_Handle* handle);
/**
* Plays a 3D sound.
* \param sound The handle of the sound file.
* \param keep When keep is true the sound source will not be deleted but set to
* paused when its end has been reached.
* \return A handle to the played back sound.
* \note The factory must provide a mono (single channel) source and the device
* must support 3D audio, otherwise the sound is played back normally.
*/
extern AUD_Handle* AUD_play3D(AUD_Sound* sound, int keep);
/**
* Updates the listener 3D data.
* \param data The 3D data.
* \return Whether the action succeeded.
*/
extern int AUD_updateListener(AUD_3DData* data);
/**
* Sets a 3D device setting.
* \param setting The setting type.
* \param value The new setting value.
* \return Whether the action succeeded.
*/
extern int AUD_set3DSetting(AUD_3DSetting setting, float value);
/**
* Retrieves a 3D device setting.
* \param setting The setting type.
* \return The setting value.
*/
extern float AUD_get3DSetting(AUD_3DSetting setting);
/**
* Updates a listeners 3D data.
* \param handle The source handle.
* \param data The 3D data.
* \return Whether the action succeeded.
*/
extern int AUD_update3DSource(AUD_Handle* handle, AUD_3DData* data);
/**
* Sets a 3D source setting.
* \param handle The source handle.
* \param setting The setting type.
* \param value The new setting value.
* \return Whether the action succeeded.
*/
extern int AUD_set3DSourceSetting(AUD_Handle* handle,
AUD_3DSourceSetting setting, float value);
/**
* Retrieves a 3D source setting.
* \param handle The source handle.
* \param setting The setting type.
* \return The setting value.
*/
extern float AUD_get3DSourceSetting(AUD_Handle* handle,
AUD_3DSourceSetting setting);
/**
* Sets the volume of a played back sound.
* \param handle The handle to the sound.
* \param volume The new volume, must be between 0.0 and 1.0.
* \return Whether the action succeeded.
*/
extern int AUD_setSoundVolume(AUD_Handle* handle, float volume);
/**
* Sets the pitch of a played back sound.
* \param handle The handle to the sound.
* \param pitch The new pitch.
* \return Whether the action succeeded.
*/
extern int AUD_setSoundPitch(AUD_Handle* handle, float pitch);
/**
* Opens a read device, with which audio data can be read.
* \param specs The specification of the audio data.
* \return A device handle.
*/
extern AUD_Device* AUD_openReadDevice(AUD_Specs specs);
/**
* Plays back a sound file through a read device.
* \param device The read device.
* \param sound The handle of the sound file.
* \return Whether the sound could be played back.
*/
extern int AUD_playDevice(AUD_Device* device, AUD_Sound* sound);
/**
* Reads the next samples into the supplied buffer.
* \param device The read device.
* \param buffer The target buffer.
* \param length The length in samples to be filled.
* \return True if the reading succeeded, false if there are no sounds
* played back currently, in that case the buffer is filled with
* silence.
*/
extern int AUD_readDevice(AUD_Device* device, sample_t* buffer, int length);
/**
* Closes a read device.
* \param device The read device.
*/
extern void AUD_closeReadDevice(AUD_Device* device);
#ifdef __cplusplus
}
#endif
#endif //AUD_CAPI

52
intern/audaspace/CMakeLists.txt Normal file
View File

@ -0,0 +1,52 @@
# $Id$
# ***** BEGIN LGPL LICENSE BLOCK *****
#
# Copyright 2009 Jörg Hermann Müller
#
# This file is part of AudaSpace.
#
# AudaSpace is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# AudaSpace is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
#
# ***** END LGPL LICENSE BLOCK *****
SET(INC . intern FX SRC ${PTHREADS_INC} ${LIBSAMPLERATE_INC})
FILE(GLOB SRC intern/*.cpp intern/*.h FX/*.cpp SRC/*.cpp)
IF(WITH_FFMPEG)
SET(INC ${INC} ffmpeg ${FFMPEG_INC})
FILE(GLOB FFMPEGSRC ffmpeg/*.cpp)
ADD_DEFINITIONS(-DWITH_FFMPEG)
ENDIF(WITH_FFMPEG)
IF(WITH_SDL)
SET(INC ${INC} SDL ${SDL_INC})
FILE(GLOB SDLSRC SDL/*.cpp)
ADD_DEFINITIONS(-DWITH_SDL)
ENDIF(WITH_SDL)
IF(WITH_OPENAL)
SET(INC ${INC} OpenAL ${OPENAL_INC})
FILE(GLOB OPENALSRC OpenAL/*.cpp)
ADD_DEFINITIONS(-DWITH_OPENAL)
STRING(REGEX MATCH ".*ramework.*" FRAMEWORK ${OPENAL_INC})
IF(FRAMEWORK)
ADD_DEFINITIONS(-DAPPLE_FRAMEWORK_FIX)
ENDIF(FRAMEWORK)
ENDIF(WITH_OPENAL)
SET(SRC ${SRC} ${FFMPEGSRC} ${SDLSRC} ${OPENALSRC})
BLENDERLIB(bf_audaspace "${SRC}" "${INC}")

674
intern/audaspace/COPYING Normal file
View File

@ -0,0 +1,674 @@
GNU GENERAL PUBLIC LICENSE
Version 3, 29 June 2007
Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
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TERMS AND CONDITIONS
0. Definitions.
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10. Automatic Licensing of Downstream Recipients.
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or that patent license was granted, prior to 28 March 2007.
Nothing in this License shall be construed as excluding or limiting
any implied license or other defenses to infringement that may
otherwise be available to you under applicable patent law.
12. No Surrender of Others' Freedom.
If conditions are imposed on you (whether by court order, agreement or
otherwise) that contradict the conditions of this License, they do not
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License and any other pertinent obligations, then as a consequence you may
not convey it at all. For example, if you agree to terms that obligate you
to collect a royalty for further conveying from those to whom you convey
the Program, the only way you could satisfy both those terms and this
License would be to refrain entirely from conveying the Program.
13. Use with the GNU Affero General Public License.
Notwithstanding any other provision of this License, you have
permission to link or combine any covered work with a work licensed
under version 3 of the GNU Affero General Public License into a single
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License will continue to apply to the part which is the covered work,
but the special requirements of the GNU Affero General Public License,
section 13, concerning interaction through a network will apply to the
combination as such.
14. Revised Versions of this License.
The Free Software Foundation may publish revised and/or new versions of
the GNU General Public License from time to time. Such new versions will
be similar in spirit to the present version, but may differ in detail to
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Each version is given a distinguishing version number. If the
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Foundation. If the Program does not specify a version number of the
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If the Program specifies that a proxy can decide which future
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Later license versions may give you additional or different
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later version.
15. Disclaimer of Warranty.
THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
16. Limitation of Liability.
IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES.
17. Interpretation of Sections 15 and 16.
If the disclaimer of warranty and limitation of liability provided
above cannot be given local legal effect according to their terms,
reviewing courts shall apply local law that most closely approximates
an absolute waiver of all civil liability in connection with the
Program, unless a warranty or assumption of liability accompanies a
copy of the Program in return for a fee.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
state the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
Also add information on how to contact you by electronic and paper mail.
If the program does terminal interaction, make it output a short
notice like this when it starts in an interactive mode:
<program> Copyright (C) <year> <name of author>
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, your program's commands
might be different; for a GUI interface, you would use an "about box".
You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU GPL, see
<http://www.gnu.org/licenses/>.
The GNU General Public License does not permit incorporating your program
into proprietary programs. If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
the library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License. But first, please read
<http://www.gnu.org/philosophy/why-not-lgpl.html>.

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GNU LESSER GENERAL PUBLIC LICENSE
Version 3, 29 June 2007
Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
This version of the GNU Lesser General Public License incorporates
the terms and conditions of version 3 of the GNU General Public
License, supplemented by the additional permissions listed below.
0. Additional Definitions.
As used herein, "this License" refers to version 3 of the GNU Lesser
General Public License, and the "GNU GPL" refers to version 3 of the GNU
General Public License.
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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#include "AUD_DelayFactory.h"
#include "AUD_DelayReader.h"
#include "AUD_Space.h"
AUD_DelayFactory::AUD_DelayFactory(AUD_IFactory* factory, float delay) :
AUD_EffectFactory(factory),
m_delay(delay) {}
AUD_DelayFactory::AUD_DelayFactory(float delay) :
AUD_EffectFactory(0),
m_delay(delay) {}
float AUD_DelayFactory::getDelay()
{
return m_delay;
}
void AUD_DelayFactory::setDelay(float delay)
{
m_delay = delay;
}
AUD_IReader* AUD_DelayFactory::createReader()
{
AUD_IReader* reader = getReader();
if(reader != 0)
{
reader = new AUD_DelayReader(reader, m_delay); AUD_NEW("reader")
}
return reader;
}

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#ifndef AUD_DELAYFACTORY
#define AUD_DELAYFACTORY
#include "AUD_EffectFactory.h"
/**
* This factory plays another factory delayed.
*/
class AUD_DelayFactory : public AUD_EffectFactory
{
private:
/**
* The delay in samples.
*/
float m_delay;
public:
/**
* Creates a new delay factory.
* \param factory The input factory.
* \param delay The desired delay in seconds.
*/
AUD_DelayFactory(AUD_IFactory* factory = 0, float delay = 0);
/**
* Creates a new delay factory.
* \param delay The desired delay in seconds.
*/
AUD_DelayFactory(float delay);
/**
* Returns the delay in seconds.
*/
float getDelay();
/**
* Sets the delay.
* \param delay The new delay value in seconds.
*/
void setDelay(float delay);
virtual AUD_IReader* createReader();
};
#endif //AUD_DELAYFACTORY

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#include "AUD_DelayReader.h"
#include "AUD_Buffer.h"
#include <cstring>
AUD_DelayReader::AUD_DelayReader(AUD_IReader* reader, float delay) :
AUD_EffectReader(reader)
{
m_delay = (int)(delay * reader->getSpecs().rate);
m_remdelay = m_delay;
m_buffer = new AUD_Buffer(); AUD_NEW("buffer")
}
AUD_DelayReader::~AUD_DelayReader()
{
delete m_buffer; AUD_DELETE("buffer")
}
void AUD_DelayReader::seek(int position)
{
if(position < 0)
return;
if(position < m_delay)
{
m_remdelay = m_delay - position;
m_reader->seek(0);
}
else
{
m_remdelay = 0;
m_reader->seek(position - m_delay);
}
}
int AUD_DelayReader::getLength()
{
int len = m_reader->getLength();
if(len < 0)
return len;
return len+m_delay;
}
int AUD_DelayReader::getPosition()
{
if(m_remdelay > 0)
return m_delay-m_remdelay;
return m_reader->getPosition() + m_delay;
}
void AUD_DelayReader::read(int & length, sample_t* & buffer)
{
if(m_remdelay > 0)
{
int samplesize = AUD_SAMPLE_SIZE(m_reader->getSpecs());
if(m_buffer->getSize() < length*samplesize)
m_buffer->resize(length*samplesize);
if(length > m_remdelay)
{
if(getSpecs().format == AUD_FORMAT_U8)
memset(m_buffer->getBuffer(), 0x80, m_remdelay*samplesize);
else
memset(m_buffer->getBuffer(), 0, m_remdelay*samplesize);
int len = length - m_remdelay;
m_reader->read(len, buffer);
memcpy(m_buffer->getBuffer()+m_remdelay*samplesize,
buffer, len*samplesize);
if(len < length-m_remdelay)
length = m_remdelay + len;
m_remdelay = 0;
}
else
{
if(getSpecs().format == AUD_FORMAT_U8)
memset(m_buffer->getBuffer(), 0x80, length*samplesize);
else
memset(m_buffer->getBuffer(), 0, length*samplesize);
m_remdelay -= length;
}
buffer = m_buffer->getBuffer();
}
else
m_reader->read(length, buffer);
}

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#ifndef AUD_DELAYREADER
#define AUD_DELAYREADER
#include "AUD_EffectReader.h"
class AUD_Buffer;
/**
* This class reads another reader and changes it's delay.
*/
class AUD_DelayReader : public AUD_EffectReader
{
private:
/**
* The playback buffer.
*/
AUD_Buffer *m_buffer;
/**
* The delay level.
*/
int m_delay;
/**
* The remaining delay for playback.
*/
int m_remdelay;
public:
/**
* Creates a new delay reader.
* \param reader The reader to read from.
* \param delay The delay in seconds.
* \exception AUD_Exception Thrown if the reader specified is NULL.
*/
AUD_DelayReader(AUD_IReader* reader, float delay);
/**
* Destroys the reader.
*/
virtual ~AUD_DelayReader();
virtual void seek(int position);
virtual int getLength();
virtual int getPosition();
virtual void read(int & length, sample_t* & buffer);
};
#endif //AUD_DELAYREADER

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#include "AUD_DoubleReader.h"
#include "AUD_Buffer.h"
#include <cstring>
AUD_DoubleReader::AUD_DoubleReader(AUD_IReader* reader1,
AUD_IReader* reader2) :
m_reader1(reader1), m_reader2(reader2)
{
try
{
if(!reader1)
AUD_THROW(AUD_ERROR_READER);
if(!reader2)
AUD_THROW(AUD_ERROR_READER);
AUD_Specs s1, s2;
s1 = reader1->getSpecs();
s2 = reader2->getSpecs();
if(memcmp(&s1, &s2, sizeof(AUD_Specs)) != 0)
AUD_THROW(AUD_ERROR_READER);
}
catch(AUD_Exception e)
{
if(reader1)
{
delete reader1; AUD_DELETE("reader")
}
if(reader2)
{
delete reader2; AUD_DELETE("reader")
}
throw;
}
m_buffer = new AUD_Buffer(); AUD_NEW("buffer")
m_finished1 = false;
}
AUD_DoubleReader::~AUD_DoubleReader()
{
delete m_reader1; AUD_DELETE("reader")
delete m_reader2; AUD_DELETE("reader")
delete m_buffer; AUD_DELETE("buffer")
}
bool AUD_DoubleReader::isSeekable()
{
return false;
}
void AUD_DoubleReader::seek(int position)
{
int length1 = m_reader1->getLength();
if(position < 0)
position = 0;
if(position < length1)
{
m_reader1->seek(position);
m_reader2->seek(0);
m_finished1 = false;
}
else
{
m_reader2->seek(position-length1);
m_finished1 = true;
}
}
int AUD_DoubleReader::getLength()
{
int len1 = m_reader1->getLength();
int len2 = m_reader2->getLength();
if(len1 < 0 || len2 < 0)
return -1;
return len1 + len2;
}
int AUD_DoubleReader::getPosition()
{
return m_reader1->getPosition() + m_reader2->getPosition();
}
AUD_Specs AUD_DoubleReader::getSpecs()
{
return m_reader1->getSpecs();
}
AUD_ReaderType AUD_DoubleReader::getType()
{
if(m_reader1->getType() == AUD_TYPE_BUFFER &&
m_reader2->getType() == AUD_TYPE_BUFFER)
return AUD_TYPE_BUFFER;
return AUD_TYPE_STREAM;
}
bool AUD_DoubleReader::notify(AUD_Message &message)
{
return m_reader1->notify(message) | m_reader2->notify(message);
}
void AUD_DoubleReader::read(int & length, sample_t* & buffer)
{
if(!m_finished1)
{
int len = length;
m_reader1->read(len, buffer);
if(len < length)
{
int samplesize = AUD_SAMPLE_SIZE(m_reader1->getSpecs());
if(m_buffer->getSize() < length * samplesize)
m_buffer->resize(length * samplesize);
memcpy(m_buffer->getBuffer(), buffer, len*samplesize);
len = length - len;
length -= len;
m_reader2->read(len, buffer);
memcpy(m_buffer->getBuffer() + length*samplesize,
buffer, len*samplesize);
length += len;
buffer = m_buffer->getBuffer();
m_finished1 = true;
}
}
else
{
m_reader2->read(length, buffer);
}
}

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#ifndef AUD_DOUBLEREADER
#define AUD_DOUBLEREADER
#include "AUD_IReader.h"
class AUD_Buffer;
/**
* This reader plays two readers with the same specs sequently.
*/
class AUD_DoubleReader : public AUD_IReader
{
private:
/**
* The first reader.
*/
AUD_IReader* m_reader1;
/**
* The second reader.
*/
AUD_IReader* m_reader2;
/**
* Whether we've reached the end of the first reader.
*/
bool m_finished1;
/**
* The playback buffer for the intersecting part.
*/
AUD_Buffer* m_buffer;
public:
/**
* Creates a new ping pong reader.
* \param reader1 The first reader to read from.
* \param reader2 The second reader to read from.
* \exception AUD_Exception Thrown if one of the reader specified is NULL
* or the specs from the readers differ.
*/
AUD_DoubleReader(AUD_IReader* reader1, AUD_IReader* reader2);
/**
* Destroys the reader.
*/
virtual ~AUD_DoubleReader();
virtual bool isSeekable();
virtual void seek(int position);
virtual int getLength();
virtual int getPosition();
virtual AUD_Specs getSpecs();
virtual AUD_ReaderType getType();
virtual bool notify(AUD_Message &message);
virtual void read(int & length, sample_t* & buffer);
};
#endif //AUD_DOUBLEREADER

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#include "AUD_EffectFactory.h"
#include "AUD_IReader.h"
AUD_IReader* AUD_EffectFactory::getReader()
{
if(m_factory != 0)
return m_factory->createReader();
return 0;
}
AUD_EffectFactory::AUD_EffectFactory(AUD_IFactory* factory)
{
m_factory = factory;
}
void AUD_EffectFactory::setFactory(AUD_IFactory* factory)
{
m_factory = factory;
}
AUD_IFactory* AUD_EffectFactory::getFactory()
{
return m_factory;
}

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#ifndef AUD_EFFECTFACTORY
#define AUD_EFFECTFACTORY
#include "AUD_IFactory.h"
/**
* This factory is a base class for all effect factories that take one other
* factory as input.
*/
class AUD_EffectFactory : public AUD_IFactory
{
protected:
/**
* If there is no reader it is created out of this factory.
*/
AUD_IFactory* m_factory;
/**
* Returns the reader created out of the factory.
* This method can be used for the createReader function of the implementing
* classes.
* \return The reader created out of the factory or NULL if there is none.
*/
AUD_IReader* getReader();
public:
/**
* Creates a new factory.
* \param factory The input factory.
*/
AUD_EffectFactory(AUD_IFactory* factory);
/**
* Destroys the factory.
*/
virtual ~AUD_EffectFactory() {}
/**
* Sets the input factory.
* \param factory The input factory.
*/
void setFactory(AUD_IFactory* factory);
/**
* Returns the saved factory.
* \return The factory or NULL if there has no factory been saved.
*/
AUD_IFactory* getFactory();
};
#endif //AUD_EFFECTFACTORY

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#include "AUD_EffectReader.h"
AUD_EffectReader::AUD_EffectReader(AUD_IReader* reader)
{
if(!reader)
AUD_THROW(AUD_ERROR_READER);
m_reader = reader;
}
AUD_EffectReader::~AUD_EffectReader()
{
delete m_reader; AUD_DELETE("reader")
}
bool AUD_EffectReader::isSeekable()
{
return m_reader->isSeekable();
}
void AUD_EffectReader::seek(int position)
{
m_reader->seek(position);
}
int AUD_EffectReader::getLength()
{
return m_reader->getLength();
}
int AUD_EffectReader::getPosition()
{
return m_reader->getPosition();
}
AUD_Specs AUD_EffectReader::getSpecs()
{
return m_reader->getSpecs();
}
AUD_ReaderType AUD_EffectReader::getType()
{
return m_reader->getType();
}
bool AUD_EffectReader::notify(AUD_Message &message)
{
return m_reader->notify(message);
}
void AUD_EffectReader::read(int & length, sample_t* & buffer)
{
m_reader->read(length, buffer);
}

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#ifndef AUD_EFFECTREADER
#define AUD_EFFECTREADER
#include "AUD_IReader.h"
/**
* This reader is a base class for all effect readers that take one other reader
* as input.
*/
class AUD_EffectReader : public AUD_IReader
{
protected:
/**
* The reader to read from.
*/
AUD_IReader* m_reader;
public:
/**
* Creates a new effect reader.
* \param reader The reader to read from.
* \exception AUD_Exception Thrown if the reader specified is NULL.
*/
AUD_EffectReader(AUD_IReader* reader);
/**
* Destroys the reader.
*/
virtual ~AUD_EffectReader();
virtual bool isSeekable();
virtual void seek(int position);
virtual int getLength();
virtual int getPosition();
virtual AUD_Specs getSpecs();
virtual AUD_ReaderType getType();
virtual bool notify(AUD_Message &message);
virtual void read(int & length, sample_t* & buffer);
};
#endif //AUD_EFFECTREADER

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#include "AUD_FaderFactory.h"
#include "AUD_FaderReader.h"
AUD_FaderFactory::AUD_FaderFactory(AUD_IFactory* factory, AUD_FadeType type,
float start, float length) :
AUD_EffectFactory(factory),
m_type(type),
m_start(start),
m_length(length) {}
AUD_FaderFactory::AUD_FaderFactory(AUD_FadeType type,
float start, float length) :
AUD_EffectFactory(0),
m_type(type),
m_start(start),
m_length(length) {}
AUD_FadeType AUD_FaderFactory::getType()
{
return m_type;
}
void AUD_FaderFactory::setType(AUD_FadeType type)
{
m_type = type;
}
float AUD_FaderFactory::getStart()
{
return m_start;
}
void AUD_FaderFactory::setStart(float start)
{
m_start = start;
}
float AUD_FaderFactory::getLength()
{
return m_length;
}
void AUD_FaderFactory::setLength(float length)
{
m_length = length;
}
AUD_IReader* AUD_FaderFactory::createReader()
{
AUD_IReader* reader = getReader();
if(reader != 0)
{
reader = new AUD_FaderReader(reader, m_type, m_start, m_length);
AUD_NEW("reader")
}
return reader;
}

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#ifndef AUD_FADERFACTORY
#define AUD_FADERFACTORY
#include "AUD_EffectFactory.h"
/**
* This factory fades another factory.
* If the fading type is AUD_FADE_IN, everything before the fading start will be
* silenced, for AUD_FADE_OUT that's true for everything after fading ends.
*/
class AUD_FaderFactory : public AUD_EffectFactory
{
private:
/**
* The fading type.
*/
AUD_FadeType m_type;
/**
* The fading start.
*/
float m_start;
/**
* The fading length.
*/
float m_length;
public:
/**
* Creates a new fader factory.
* \param factory The input factory.
* \param type The fading type.
* \param start The time where fading should start in seconds.
* \param length How long fading should last in seconds.
*/
AUD_FaderFactory(AUD_IFactory* factory = 0,
AUD_FadeType type = AUD_FADE_IN,
float start = 0.0f, float length = 1.0f);
/**
* Creates a new fader factory.
* \param type The fading type.
* \param start The time where fading should start in seconds.
* \param length How long fading should last in seconds.
*/
AUD_FaderFactory(AUD_FadeType type = AUD_FADE_IN,
float start = 0.0f, float length = 1.0f);
/**
* Returns the fading type.
*/
AUD_FadeType getType();
/**
* Sets the fading type.
* \param type The new fading type: AUD_FADE_IN or AUD_FADE_OUT.
*/
void setType(AUD_FadeType type);
/**
* Returns the fading start.
*/
float getStart();
/**
* Sets the fading start.
* \param start The new fading start.
*/
void setStart(float start);
/**
* Returns the fading length.
*/
float getLength();
/**
* Sets the fading length.
* \param start The new fading length.
*/
void setLength(float length);
virtual AUD_IReader* createReader();
};
#endif //AUD_FADERFACTORY

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#include "AUD_FaderReader.h"
#include "AUD_Buffer.h"
#include <cstring>
AUD_FaderReader::AUD_FaderReader(AUD_IReader* reader, AUD_FadeType type,
float start,float length) :
AUD_EffectReader(reader),
m_type(type),
m_start(start),
m_length(length)
{
int bigendian = 1;
bigendian = (((char*)&bigendian)[0]) ? 0: 1; // 1 if Big Endian
switch(m_reader->getSpecs().format)
{
case AUD_FORMAT_S16:
m_adjust = AUD_volume_adjust<int16_t>;
break;
case AUD_FORMAT_S32:
m_adjust = AUD_volume_adjust<int32_t>;
break;
case AUD_FORMAT_FLOAT32:
m_adjust = AUD_volume_adjust<float>;
break;
case AUD_FORMAT_FLOAT64:
m_adjust = AUD_volume_adjust<double>;
break;
case AUD_FORMAT_U8:
m_adjust = AUD_volume_adjust_u8;
break;
case AUD_FORMAT_S24:
m_adjust = bigendian ? AUD_volume_adjust_s24_be :
AUD_volume_adjust_s24_le;
break;
default:
delete m_reader;
AUD_THROW(AUD_ERROR_READER);
}
m_buffer = new AUD_Buffer(); AUD_NEW("buffer")
}
AUD_FaderReader::~AUD_FaderReader()
{
delete m_buffer; AUD_DELETE("buffer")
}
bool AUD_FaderReader::notify(AUD_Message &message)
{
return m_reader->notify(message);
}
void AUD_FaderReader::read(int & length, sample_t* & buffer)
{
int position = m_reader->getPosition();
AUD_Specs specs = m_reader->getSpecs();
int samplesize = AUD_SAMPLE_SIZE(specs);
m_reader->read(length, buffer);
if(m_buffer->getSize() < length * samplesize)
m_buffer->resize(length * samplesize);
if((position + length) / (float)specs.rate <= m_start)
{
if(m_type != AUD_FADE_OUT)
{
buffer = m_buffer->getBuffer();
memset(buffer,
specs.format == AUD_FORMAT_U8 ? 0x80 : 0,
length * samplesize);
}
}
else if(position / (float)specs.rate >= m_start+m_length)
{
if(m_type == AUD_FADE_OUT)
{
buffer = m_buffer->getBuffer();
memset(buffer,
specs.format == AUD_FORMAT_U8 ? 0x80 : 0,
length * samplesize);
}
}
else
{
sample_t* buf = m_buffer->getBuffer();
float volume;
for(int i = 0; i < length; i++)
{
volume = (((position+i)/(float)specs.rate)-m_start) / m_length;
if(volume > 1.0f)
volume = 1.0f;
else if(volume < 0.0f)
volume = 0.0f;
if(m_type == AUD_FADE_OUT)
volume = 1.0f - volume;
m_adjust(buf + i * samplesize, buffer + i * samplesize,
specs.channels, volume);
}
buffer = buf;
}
}

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#ifndef AUD_FADERREADER
#define AUD_FADERREADER
#include "AUD_EffectReader.h"
#include "AUD_ConverterFunctions.h"
class AUD_Buffer;
/**
* This class fades another reader.
* If the fading type is AUD_FADE_IN, everything before the fading start will be
* silenced, for AUD_FADE_OUT that's true for everything after fading ends.
*/
class AUD_FaderReader : public AUD_EffectReader
{
private:
/**
* The playback buffer.
*/
AUD_Buffer *m_buffer;
/**
* The fading type.
*/
AUD_FadeType m_type;
/**
* The fading start.
*/
float m_start;
/**
* The fading length.
*/
float m_length;
/**
* Volume adjustment function.
*/
AUD_volume_adjust_f m_adjust;
public:
/**
* Creates a new fader reader.
* \param type The fading type.
* \param start The time where fading should start in seconds.
* \param length How long fading should last in seconds.
* \exception AUD_Exception Thrown if the reader specified is NULL.
*/
AUD_FaderReader(AUD_IReader* reader, AUD_FadeType type,
float start,float length);
/**
* Destroys the reader.
*/
virtual ~AUD_FaderReader();
virtual bool notify(AUD_Message &message);
virtual void read(int & length, sample_t* & buffer);
};
#endif //AUD_FADERREADER

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#include "AUD_LimiterFactory.h"
#include "AUD_LimiterReader.h"
#include "AUD_Space.h"
AUD_LimiterFactory::AUD_LimiterFactory(AUD_IFactory* factory,
float start, float end) :
AUD_EffectFactory(factory),
m_start(start),
m_end(end) {}
float AUD_LimiterFactory::getStart()
{
return m_start;
}
void AUD_LimiterFactory::setStart(float start)
{
m_start = start;
}
float AUD_LimiterFactory::getEnd()
{
return m_end;
}
void AUD_LimiterFactory::setEnd(float end)
{
m_end = end;
}
AUD_IReader* AUD_LimiterFactory::createReader()
{
AUD_IReader* reader = getReader();
if(reader != 0)
{
reader = new AUD_LimiterReader(reader, m_start, m_end);
AUD_NEW("reader")
}
return reader;
}

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#ifndef AUD_LIMITERFACTORY
#define AUD_LIMITERFACTORY
#include "AUD_EffectFactory.h"
/**
* This factory limits another factory in start and end time.
*/
class AUD_LimiterFactory : public AUD_EffectFactory
{
private:
/**
* The start time.
*/
float m_start;
/**
* The end time.
*/
float m_end;
public:
/**
* Creates a new limiter factory.
* \param factory The input factory.
* \param start The desired start time.
* \param end The desired end time, a negative value signals that it should
* play to the end.
*/
AUD_LimiterFactory(AUD_IFactory* factory = 0,
float start = 0, float end = -1);
/**
* Returns the start time.
*/
float getStart();
/**
* Sets the start time.
* \param start The new start time.
*/
void setStart(float start);
/**
* Returns the end time.
*/
float getEnd();
/**
* Sets the end time.
* \param end The new end time, a negative value signals that it should play
* to the end.
*/
void setEnd(float end);
virtual AUD_IReader* createReader();
};
#endif //AUD_LIMITERFACTORY

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#include "AUD_LimiterReader.h"
#include "AUD_Buffer.h"
#include <iostream>
AUD_LimiterReader::AUD_LimiterReader(AUD_IReader* reader,
float start, float end) :
AUD_EffectReader(reader)
{
m_end = (int)(end * reader->getSpecs().rate);
if(start <= 0)
m_start = 0;
else
{
m_start = (int)(start * reader->getSpecs().rate);
if(m_reader->isSeekable())
m_reader->seek(m_start);
else
{
// skip first m_start samples by reading them
int length;
sample_t* buffer;
for(int i = m_start;
i >= AUD_DEFAULT_BUFFER_SIZE;
i -= AUD_DEFAULT_BUFFER_SIZE)
{
length = AUD_DEFAULT_BUFFER_SIZE;
m_reader->read(length, buffer);
length = i;
}
m_reader->read(length, buffer);
}
}
}
void AUD_LimiterReader::seek(int position)
{
m_reader->seek(position + m_start);
}
int AUD_LimiterReader::getLength()
{
int len = m_reader->getLength();
if(m_reader->getType() != AUD_TYPE_BUFFER || len < 0 ||
(len > m_end && m_end >= 0))
len = m_end;
return len - m_start;
}
int AUD_LimiterReader::getPosition()
{
return m_reader->getPosition() - m_start;
}
void AUD_LimiterReader::read(int & length, sample_t* & buffer)
{
if(m_end >= 0)
{
int position = m_reader->getPosition();
if(position+length > m_end)
length = m_end - position;
if(length < 0)
{
length = 0;
return;
}
}
m_reader->read(length, buffer);
}

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#ifndef AUD_LIMITERREADER
#define AUD_LIMITERREADER
#include "AUD_EffectReader.h"
/**
* This reader limits another reader in start and end sample.
*/
class AUD_LimiterReader : public AUD_EffectReader
{
private:
/**
* The start sample: inclusive.
*/
int m_start;
/**
* The end sample: exlusive.
*/
int m_end;
public:
/**
* Creates a new limiter reader.
* \param reader The reader to read from.
* \param start The desired start sample (inclusive).
* \param end The desired end sample (exklusive), a negative value signals
* that it should play to the end.
* \exception AUD_Exception Thrown if the reader specified is NULL.
*/
AUD_LimiterReader(AUD_IReader* reader, float start = 0, float end = -1);
virtual void seek(int position);
virtual int getLength();
virtual int getPosition();
virtual void read(int & length, sample_t* & buffer);
};
#endif //AUD_LIMITERREADER

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#include "AUD_LoopFactory.h"
#include "AUD_LoopReader.h"
AUD_LoopFactory::AUD_LoopFactory(AUD_IFactory* factory, int loop) :
AUD_EffectFactory(factory),
m_loop(loop) {}
AUD_LoopFactory::AUD_LoopFactory(int loop) :
AUD_EffectFactory(0),
m_loop(loop) {}
int AUD_LoopFactory::getLoop()
{
return m_loop;
}
void AUD_LoopFactory::setLoop(int loop)
{
m_loop = loop;
}
AUD_IReader* AUD_LoopFactory::createReader()
{
AUD_IReader* reader = getReader();
if(reader != 0)
{
reader = new AUD_LoopReader(reader, m_loop); AUD_NEW("reader")
}
return reader;
}

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#ifndef AUD_LOOPFACTORY
#define AUD_LOOPFACTORY
#include "AUD_EffectFactory.h"
/**
* This factory loops another factory.
* \note The reader has to be seekable.
*/
class AUD_LoopFactory : public AUD_EffectFactory
{
private:
/**
* The loop count.
*/
float m_loop;
public:
/**
* Creates a new loop factory.
* \param factory The input factory.
* \param loop The desired loop count, negative values result in endless
* looping.
*/
AUD_LoopFactory(AUD_IFactory* factory = 0, int loop = -1);
/**
* Creates a new loop factory.
* \param loop The desired loop count, negative values result in endless
* looping.
*/
AUD_LoopFactory(int loop);
/**
* Returns the loop count.
*/
int getLoop();
/**
* Sets the loop count.
* \param loop The desired loop count, negative values result in endless
* looping.
*/
void setLoop(int loop);
virtual AUD_IReader* createReader();
};
#endif //AUD_LOOPFACTORY

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#include "AUD_LoopReader.h"
#include "AUD_Buffer.h"
#include <cstring>
#include <stdio.h>
AUD_LoopReader::AUD_LoopReader(AUD_IReader* reader, int loop) :
AUD_EffectReader(reader), m_loop(loop)
{
m_buffer = new AUD_Buffer(); AUD_NEW("buffer")
}
AUD_LoopReader::~AUD_LoopReader()
{
delete m_buffer; AUD_DELETE("buffer")
}
AUD_ReaderType AUD_LoopReader::getType()
{
if(m_loop < 0)
return AUD_TYPE_STREAM;
return m_reader->getType();
}
bool AUD_LoopReader::notify(AUD_Message &message)
{
if(message.type == AUD_MSG_LOOP)
{
m_loop = message.loopcount;
m_reader->notify(message);
return true;
}
return m_reader->notify(message);
}
void AUD_LoopReader::read(int & length, sample_t* & buffer)
{
int samplesize = AUD_SAMPLE_SIZE(m_reader->getSpecs());
int len = length;
m_reader->read(len, buffer);
if(len < length && m_loop != 0)
{
int pos = 0;
if(m_buffer->getSize() < length*samplesize)
m_buffer->resize(length*samplesize);
memcpy(m_buffer->getBuffer() + pos * samplesize,
buffer, len * samplesize);
pos += len;
while(pos < length && m_loop != 0)
{
if(m_loop > 0)
m_loop--;
m_reader->seek(0);
len = length - pos;
m_reader->read(len, buffer);
// prevent endless loop
if(!len)
break;
memcpy(m_buffer->getBuffer() + pos * samplesize,
buffer, len * samplesize);
pos += len;
}
length = pos;
buffer = m_buffer->getBuffer();
}
else
length = len;
}

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#ifndef AUD_LOOPREADER
#define AUD_LOOPREADER
#include "AUD_EffectReader.h"
class AUD_Buffer;
/**
* This class reads another reader and loops it.
* \note The other reader must be seekable.
*/
class AUD_LoopReader : public AUD_EffectReader
{
private:
/**
* The playback buffer.
*/
AUD_Buffer *m_buffer;
/**
* The left loop count.
*/
int m_loop;
public:
/**
* Creates a new loop reader.
* \param reader The reader to read from.
* \param loop The desired loop count, negative values result in endless
* looping.
* \exception AUD_Exception Thrown if the reader specified is NULL.
*/
AUD_LoopReader(AUD_IReader* reader, int loop);
/**
* Destroys the reader.
*/
virtual ~AUD_LoopReader();
virtual AUD_ReaderType getType();
virtual bool notify(AUD_Message &message);
virtual void read(int & length, sample_t* & buffer);
};
#endif //AUD_LOOPREADER

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#include "AUD_PingPongFactory.h"
#include "AUD_DoubleReader.h"
#include "AUD_ReverseFactory.h"
AUD_PingPongFactory::AUD_PingPongFactory(AUD_IFactory* factory) :
AUD_EffectFactory(factory) {}
AUD_IReader* AUD_PingPongFactory::createReader()
{
if(m_factory == 0)
return 0;
AUD_IReader* reader = m_factory->createReader();
if(reader != 0)
{
AUD_IReader* reader2;
AUD_ReverseFactory factory(m_factory);
try
{
reader2 = factory.createReader();
}
catch(AUD_Exception e)
{
reader2 = 0;
}
if(reader2 != 0)
{
reader = new AUD_DoubleReader(reader, reader2);
AUD_NEW("reader")
}
else
{
delete reader; AUD_DELETE("reader")
reader = 0;
}
}
return reader;
}

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#ifndef AUD_PINGPONGFACTORY
#define AUD_PINGPONGFACTORY
#include "AUD_EffectFactory.h"
/**
* This factory plays another factory first normal, then reversed.
* \note Readers from the underlying factory must be from the buffer type.
*/
class AUD_PingPongFactory : public AUD_EffectFactory
{
public:
/**
* Creates a new ping pong factory.
* \param factory The input factory.
*/
AUD_PingPongFactory(AUD_IFactory* factory = 0);
/**
* Destroys the factory.
*/
virtual AUD_IReader* createReader();
};
#endif //AUD_PINGPONGFACTORY

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#include "AUD_PitchFactory.h"
#include "AUD_PitchReader.h"
#include "AUD_Space.h"
AUD_PitchFactory::AUD_PitchFactory(AUD_IFactory* factory, float pitch) :
AUD_EffectFactory(factory),
m_pitch(pitch) {}
AUD_PitchFactory::AUD_PitchFactory(float pitch) :
AUD_EffectFactory(0),
m_pitch(pitch) {}
AUD_IReader* AUD_PitchFactory::createReader()
{
AUD_IReader* reader = getReader();
if(reader != 0)
{
reader = new AUD_PitchReader(reader, m_pitch); AUD_NEW("reader")
}
return reader;
}

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#ifndef AUD_PITCHFACTORY
#define AUD_PITCHFACTORY
#include "AUD_EffectFactory.h"
/**
* This factory changes the pitch of another factory.
*/
class AUD_PitchFactory : public AUD_EffectFactory
{
private:
/**
* The pitch.
*/
float m_pitch;
public:
/**
* Creates a new pitch factory.
* \param factory The input factory.
* \param pitch The desired pitch.
*/
AUD_PitchFactory(AUD_IFactory* factory = 0, float pitch = 1.0);
/**
* Creates a new pitch factory.
* \param pitch The desired pitch.
*/
AUD_PitchFactory(float pitch);
/**
* Returns the pitch.
*/
float getPitch();
/**
* Sets the pitch.
* \param pitch The new pitch value. Should be between 0.0 and 1.0.
*/
void setPitch(float pitch);
virtual AUD_IReader* createReader();
};
#endif //AUD_PITCHFACTORY

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#include "AUD_PitchReader.h"
AUD_PitchReader::AUD_PitchReader(AUD_IReader* reader, float pitch) :
AUD_EffectReader(reader)
{
m_pitch = pitch;
}
AUD_Specs AUD_PitchReader::getSpecs()
{
AUD_Specs specs = m_reader->getSpecs();
specs.rate = (AUD_SampleRate)((int)(specs.rate * m_pitch));
return specs;
}

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#ifndef AUD_PITCHREADER
#define AUD_PITCHREADER
#include "AUD_EffectReader.h"
/**
* This class reads another reader and changes it's pitch.
*/
class AUD_PitchReader : public AUD_EffectReader
{
private:
/**
* The pitch level.
*/
float m_pitch;
public:
/**
* Creates a new pitch reader.
* \param reader The reader to read from.
* \param pitch The size of the buffer.
* \exception AUD_Exception Thrown if the reader specified is NULL.
*/
AUD_PitchReader(AUD_IReader* reader, float pitch);
virtual AUD_Specs getSpecs();
};
#endif //AUD_PITCHREADER

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#include "AUD_ReverseFactory.h"
#include "AUD_ReverseReader.h"
#include "AUD_Space.h"
AUD_ReverseFactory::AUD_ReverseFactory(AUD_IFactory* factory) :
AUD_EffectFactory(factory) {}
AUD_IReader* AUD_ReverseFactory::createReader()
{
AUD_IReader* reader = getReader();
if(reader != 0)
{
reader = new AUD_ReverseReader(reader); AUD_NEW("reader")
}
return reader;
}

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#ifndef AUD_REVERSEFACTORY
#define AUD_REVERSEFACTORY
#include "AUD_EffectFactory.h"
/**
* This factory reads another factory reverted.
* \note Readers from the underlying factory must be from the buffer type.
*/
class AUD_ReverseFactory : public AUD_EffectFactory
{
public:
/**
* Creates a new reverse factory.
* \param factory The input factory.
*/
AUD_ReverseFactory(AUD_IFactory* factory = 0);
/**
* Destroys the factory.
*/
virtual AUD_IReader* createReader();
};
#endif //AUD_REVERSEFACTORY

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#include "AUD_ReverseReader.h"
#include "AUD_Buffer.h"
#include <cstring>
AUD_ReverseReader::AUD_ReverseReader(AUD_IReader* reader) :
AUD_EffectReader(reader)
{
if(reader->getType() != AUD_TYPE_BUFFER)
AUD_THROW(AUD_ERROR_READER);
m_length = reader->getLength();
if(m_length < 0)
AUD_THROW(AUD_ERROR_READER);
m_position = 0;
m_buffer = new AUD_Buffer(); AUD_NEW("buffer")
}
AUD_ReverseReader::~AUD_ReverseReader()
{
delete m_buffer; AUD_DELETE("buffer")
}
void AUD_ReverseReader::seek(int position)
{
m_position = position;
}
int AUD_ReverseReader::getLength()
{
return m_length;
}
int AUD_ReverseReader::getPosition()
{
return m_position;
}
void AUD_ReverseReader::read(int & length, sample_t* & buffer)
{
// first correct the length
if(m_position+length > m_length)
length = m_length-m_position;
if(length <= 0)
{
length = 0;
return;
}
int samplesize = AUD_SAMPLE_SIZE(getSpecs());
// resize buffer if needed
if(m_buffer->getSize() < length * samplesize)
m_buffer->resize(length * samplesize);
buffer = m_buffer->getBuffer();
sample_t* buf;
int len = length;
// read from reader
m_reader->seek(m_length-m_position-len);
m_reader->read(len, buf);
// set null if reader didn't give enough data
if(len < length)
{
if(getSpecs().format == AUD_FORMAT_U8)
memset(buffer, 0x80, (length-len)*samplesize);
else
memset(buffer, 0, (length-len)*samplesize);
buffer += length-len;
}
// copy the samples reverted
for(int i = 0; i < len; i++)
memcpy(buffer + i * samplesize,
buf + (len - 1 - i) * samplesize,
samplesize);
m_position += length;
buffer = m_buffer->getBuffer();
}

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#ifndef AUD_REVERSEREADER
#define AUD_REVERSEREADER
#include "AUD_EffectReader.h"
class AUD_Buffer;
/**
* This class reads another reader from back to front.
* \note The underlying reader must be a buffer.
*/
class AUD_ReverseReader : public AUD_EffectReader
{
private:
/**
* The current position.
*/
int m_position;
/**
* The sample count.
*/
int m_length;
/**
* The playback buffer.
*/
AUD_Buffer* m_buffer;
public:
/**
* Creates a new reverse reader.
* \param reader The reader to read from.
* \exception AUD_Exception Thrown if the reader specified is NULL or not
* a buffer.
*/
AUD_ReverseReader(AUD_IReader* reader);
/**
* Destroys the reader.
*/
virtual ~AUD_ReverseReader();
virtual void seek(int position);
virtual int getLength();
virtual int getPosition();
virtual void read(int & length, sample_t* & buffer);
};
#endif //AUD_REVERSEREADER

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#include "AUD_VolumeFactory.h"
#include "AUD_VolumeReader.h"
AUD_VolumeFactory::AUD_VolumeFactory(AUD_IFactory* factory, float volume) :
AUD_EffectFactory(factory),
m_volume(volume) {}
AUD_VolumeFactory::AUD_VolumeFactory(float volume) :
AUD_EffectFactory(0),
m_volume(volume) {}
float AUD_VolumeFactory::getVolume()
{
return m_volume;
}
void AUD_VolumeFactory::setVolume(float volume)
{
m_volume = volume;
}
AUD_IReader* AUD_VolumeFactory::createReader()
{
AUD_IReader* reader = getReader();
if(reader != 0)
{
reader = new AUD_VolumeReader(reader, m_volume); AUD_NEW("reader")
}
return reader;
}

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#ifndef AUD_VOLUMEFACTORY
#define AUD_VOLUMEFACTORY
#include "AUD_EffectFactory.h"
/**
* This factory changes the volume of another factory.
* The set volume should be a value between 0.0 and 1.0, higher values at your
* own risk!
*/
class AUD_VolumeFactory : public AUD_EffectFactory
{
private:
/**
* The volume.
*/
float m_volume;
public:
/**
* Creates a new volume factory.
* \param factory The input factory.
* \param volume The desired volume.
*/
AUD_VolumeFactory(AUD_IFactory* factory = 0, float volume = 1.0);
/**
* Creates a new volume factory.
* \param volume The desired volume.
*/
AUD_VolumeFactory(float volume);
/**
* Returns the volume.
*/
float getVolume();
/**
* Sets the volume.
* \param volume The new volume value. Should be between 0.0 and 1.0.
*/
void setVolume(float volume);
virtual AUD_IReader* createReader();
};
#endif //AUD_VOLUMEFACTORY

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#include "AUD_VolumeReader.h"
#include "AUD_Buffer.h"
#include <cstring>
AUD_VolumeReader::AUD_VolumeReader(AUD_IReader* reader, float volume) :
AUD_EffectReader(reader),
m_volume(volume)
{
int bigendian = 1;
bigendian = (((char*)&bigendian)[0]) ? 0: 1; // 1 if Big Endian
switch(m_reader->getSpecs().format)
{
case AUD_FORMAT_S16:
m_adjust = AUD_volume_adjust<int16_t>;
break;
case AUD_FORMAT_S32:
m_adjust = AUD_volume_adjust<int32_t>;
break;
case AUD_FORMAT_FLOAT32:
m_adjust = AUD_volume_adjust<float>;
break;
case AUD_FORMAT_FLOAT64:
m_adjust = AUD_volume_adjust<double>;
break;
case AUD_FORMAT_U8:
m_adjust = AUD_volume_adjust_u8;
break;
case AUD_FORMAT_S24:
m_adjust = bigendian ? AUD_volume_adjust_s24_be :
AUD_volume_adjust_s24_le;
break;
default:
delete m_reader;
AUD_THROW(AUD_ERROR_READER);
}
m_buffer = new AUD_Buffer(); AUD_NEW("buffer")
}
AUD_VolumeReader::~AUD_VolumeReader()
{
delete m_buffer; AUD_DELETE("buffer")
}
bool AUD_VolumeReader::notify(AUD_Message &message)
{
if(message.type == AUD_MSG_VOLUME)
{
m_volume = message.volume;
m_reader->notify(message);
return true;
}
return m_reader->notify(message);
}
void AUD_VolumeReader::read(int & length, sample_t* & buffer)
{
sample_t* buf;
AUD_Specs specs = m_reader->getSpecs();
m_reader->read(length, buf);
if(m_buffer->getSize() < length*AUD_SAMPLE_SIZE(specs))
m_buffer->resize(length*AUD_SAMPLE_SIZE(specs));
buffer = m_buffer->getBuffer();
m_adjust(buffer, buf, length * specs.channels, m_volume);
}

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#ifndef AUD_VOLUMEREADER
#define AUD_VOLUMEREADER
#include "AUD_EffectReader.h"
#include "AUD_ConverterFunctions.h"
class AUD_Buffer;
/**
* This class reads another reader and changes it's volume.
*/
class AUD_VolumeReader : public AUD_EffectReader
{
private:
/**
* The playback buffer.
*/
AUD_Buffer *m_buffer;
/**
* The volume level.
*/
float m_volume;
/**
* Volume adjustment function.
*/
AUD_volume_adjust_f m_adjust;
public:
/**
* Creates a new volume reader.
* \param reader The reader to read from.
* \param volume The size of the buffer.
* \exception AUD_Exception Thrown if the reader specified is NULL.
*/
AUD_VolumeReader(AUD_IReader* reader, float volume);
/**
* Destroys the reader.
*/
virtual ~AUD_VolumeReader();
virtual bool notify(AUD_Message &message);
virtual void read(int & length, sample_t* & buffer);
};
#endif //AUD_VOLUMEREADER

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# -*- mode: gnumakefile; tab-width: 8; indent-tabs-mode: t; -*-
# vim: tabstop=8
#
# $Id: Makefile 19820 2009-04-20 15:06:46Z blendix $
#
# ***** BEGIN GPL LICENSE BLOCK *****
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
# The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
# All rights reserved.
#
# The Original Code is: all of this file.
#
# Contributor(s): GSR
#
# ***** END GPL LICENSE BLOCK *****
#
#
include nan_definitions.mk
LIBNAME = audaspace
SOURCEDIR = intern/audaspace
DIR = $(OCGDIR)/$(SOURCEDIR)
DIRS = intern
DIRS += SDL
ifeq ($(WITH_FFMPEG),true)
DIRS += ffmpeg
endif
include nan_subdirs.mk
install: $(ALL_OR_DEBUG)
@[ -d $(NAN_AUDASPACE) ] || mkdir $(NAN_AUDASPACE)
@[ -d $(NAN_AUDASPACE)/include ] || mkdir $(NAN_AUDASPACE)/include
@[ -d $(NAN_AUDASPACE)/lib/$(DEBUG_DIR) ] || mkdir $(NAN_AUDASPACE)/lib/$(DEBUG_DIR)
@../tools/cpifdiff.sh $(DIR)/$(DEBUG_DIR)libaudaspace.a $(NAN_AUDASPACE)/lib/$(DEBUG_DIR)
ifeq ($(OS),darwin)
ranlib $(NAN_AUDASPACE)/lib/$(DEBUG_DIR)libaudaspace.a
endif
@../tools/cpifdiff.sh *.h $(NAN_AUDASPACE)/include/

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#ifndef AUD_OPENALDEVICE
#define AUD_OPENALDEVICE
#include "AUD_IDevice.h"
#include "AUD_I3DDevice.h"
struct AUD_OpenALHandle;
struct AUD_OpenALBufferedFactory;
class AUD_ConverterFactory;
#include <AL/al.h>
#include <AL/alc.h>
#include <list>
#include <pthread.h>
/**
* This device plays through OpenAL.
*/
class AUD_OpenALDevice : public AUD_IDevice, public AUD_I3DDevice
{
private:
/**
* The OpenAL device handle.
*/
ALCdevice* m_device;
/**
* The OpenAL context.
*/
ALCcontext* m_context;
/**
* The specification of the device.
*/
AUD_Specs m_specs;
/**
* Whether the device has the AL_EXT_MCFORMATS extension.
*/
bool m_useMC;
/**
* The converter factory for readers with wrong input format.
*/
AUD_ConverterFactory* m_converter;
/**
* The list of sounds that are currently playing.
*/
std::list<AUD_OpenALHandle*>* m_playingSounds;
/**
* The list of sounds that are currently paused.
*/
std::list<AUD_OpenALHandle*>* m_pausedSounds;
/**
* The list of buffered factories.
*/
std::list<AUD_OpenALBufferedFactory*>* m_bufferedFactories;
/**
* The mutex for locking.
*/
pthread_mutex_t m_mutex;
/**
* The streaming thread.
*/
pthread_t m_thread;
/**
* The condition for streaming thread wakeup.
*/
bool m_playing;
/**
* Buffer size.
*/
int m_buffersize;
/**
* Starts the streaming thread.
*/
void start();
/**
* Checks if a handle is valid.
* \param handle The handle to check.
* \return Whether the handle is valid.
*/
bool isValid(AUD_Handle* handle);
/**
* Gets the format according to the specs.
* \param format The variable to put the format into.
* \param specs The specs to read the format from.
* \return Whether the format is valid or not.
*/
bool getFormat(ALenum &format, AUD_Specs specs);
public:
/**
* Opens the OpenAL audio device for playback.
* \param specs The wanted audio specification.
* \param buffersize The size of the internal buffer.
* \note The specification really used for opening the device may differ.
* \note The buffersize will be multiplicated by three for this device.
* \exception AUD_Exception Thrown if the audio device cannot be opened.
*/
AUD_OpenALDevice(AUD_Specs specs, int buffersize = AUD_DEFAULT_BUFFER_SIZE);
/**
* Streaming thread main function.
*/
void updateStreams();
virtual ~AUD_OpenALDevice();
virtual AUD_Specs getSpecs();
virtual AUD_Handle* play(AUD_IFactory* factory, bool keep = false);
virtual bool pause(AUD_Handle* handle);
virtual bool resume(AUD_Handle* handle);
virtual bool stop(AUD_Handle* handle);
virtual bool setKeep(AUD_Handle* handle, bool keep);
virtual bool sendMessage(AUD_Handle* handle, AUD_Message &message);
virtual bool seek(AUD_Handle* handle, float position);
virtual float getPosition(AUD_Handle* handle);
virtual AUD_Status getStatus(AUD_Handle* handle);
virtual void lock();
virtual void unlock();
virtual bool checkCapability(int capability);
virtual bool setCapability(int capability, void *value);
virtual bool getCapability(int capability, void *value);
virtual AUD_Handle* play3D(AUD_IFactory* factory, bool keep = false);
virtual bool updateListener(AUD_3DData &data);
virtual bool setSetting(AUD_3DSetting setting, float value);
virtual float getSetting(AUD_3DSetting setting);
virtual bool updateSource(AUD_Handle* handle, AUD_3DData &data);
virtual bool setSourceSetting(AUD_Handle* handle,
AUD_3DSourceSetting setting, float value);
virtual float getSourceSetting(AUD_Handle* handle,
AUD_3DSourceSetting setting);
};
#endif //AUD_OPENALDEVICE

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#!/usr/bin/python
Import ('env')
sources = env.Glob('intern/*.cpp') + env.Glob('FX/*.cpp') + env.Glob('SRC/*.cpp')
incs = '. intern FX SRC ' + env['BF_PTHREADS_INC'] + ' ' + env['BF_LIBSAMPLERATE_INC']
defs = []
if env['WITH_BF_FFMPEG']:
sources += env.Glob('ffmpeg/*.cpp')
incs += ' ffmpeg ' + env['BF_FFMPEG_INC']
defs.append('WITH_FFMPEG')
if env['WITH_BF_SDL']:
sources += env.Glob('SDL/*.cpp')
incs += ' SDL ' + env['BF_SDL_INC']
defs.append('WITH_SDL')
if env['WITH_BF_OPENAL']:
sources += env.Glob('OpenAL/*.cpp')
incs += ' OpenAL ' + env['BF_OPENAL_INC']
defs.append('WITH_OPENAL')
env.BlenderLib ('bf_audaspace', sources, Split(incs), defs, libtype=['intern'], priority = [25] )

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#include "AUD_SDLMixer.h"
#include "AUD_SDLDevice.h"
#include "AUD_IReader.h"
#include <SDL.h>
// this is the callback function for SDL, it only calls the class
void mixAudio(void *data, Uint8* buffer, int length)
{
AUD_SDLDevice* device = (AUD_SDLDevice*)data;
device->SDLmix((sample_t *)buffer, length);
}
AUD_SDLDevice::AUD_SDLDevice(AUD_Specs specs, int buffersize)
{
if(specs.channels == AUD_CHANNELS_INVALID)
specs.channels = AUD_CHANNELS_STEREO;
if(specs.format == AUD_FORMAT_INVALID)
specs.format = AUD_FORMAT_S16;
if(specs.rate == AUD_RATE_INVALID)
specs.rate = AUD_RATE_44100;
m_specs = specs;
SDL_AudioSpec format, obtained;
format.freq = m_specs.rate;
if(m_specs.format == AUD_FORMAT_U8)
format.format = AUDIO_U8;
else
format.format = AUDIO_S16SYS;
format.channels = m_specs.channels;
format.samples = buffersize;
format.callback = &mixAudio;
format.userdata = this;
if(SDL_OpenAudio(&format, &obtained) != 0)
AUD_THROW(AUD_ERROR_SDL);
m_specs.rate = (AUD_SampleRate)obtained.freq;
m_specs.channels = (AUD_Channels)obtained.channels;
if(obtained.format == AUDIO_U8)
m_specs.format = AUD_FORMAT_U8;
else if(obtained.format == AUDIO_S16LSB || obtained.format == AUDIO_S16MSB)
m_specs.format = AUD_FORMAT_S16;
else
AUD_THROW(AUD_ERROR_SDL);
m_mixer = new AUD_SDLMixer(); AUD_NEW("mixer")
m_mixer->setSpecs(m_specs);
create();
}
AUD_SDLDevice::~AUD_SDLDevice()
{
lock();
SDL_CloseAudio();
unlock();
destroy();
}
void AUD_SDLDevice::SDLmix(sample_t* buffer, int length)
{
mix(buffer, length/AUD_SAMPLE_SIZE(m_specs));
}
void AUD_SDLDevice::playing(bool playing)
{
SDL_PauseAudio(playing ? 0 : 1);
}

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#ifndef AUD_SDLDEVICE
#define AUD_SDLDEVICE
#include "AUD_SoftwareDevice.h"
/**
* This device plays back through SDL, the simple direct media layer.
*/
class AUD_SDLDevice : public AUD_SoftwareDevice
{
protected:
virtual void playing(bool playing);
public:
/**
* Opens the SDL audio device for playback.
* \param specs The wanted audio specification.
* \param buffersize The size of the internal buffer.
* \note The specification really used for opening the device may differ.
* \exception AUD_Exception Thrown if the audio device cannot be opened.
*/
AUD_SDLDevice(AUD_Specs specs, int buffersize = AUD_DEFAULT_BUFFER_SIZE);
/**
* Closes the SDL audio device.
*/
virtual ~AUD_SDLDevice();
/**
* Mixes the next bytes into the buffer.
* \param buffer The target buffer.
* \param length The length in bytes to be filled.
* \warning This function shall not be called from outside!
*/
void SDLmix(sample_t* buffer, int length);
};
#endif //AUD_SDLDEVICE

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#include "AUD_SDLMixer.h"
#include "AUD_SDLMixerFactory.h"
#include <SDL.h>
AUD_SDLMixer::AUD_SDLMixer()
{
m_factory = NULL;
}
AUD_SDLMixer::~AUD_SDLMixer()
{
if(m_factory)
{
delete m_factory; AUD_DELETE("factory")
}
}
AUD_IReader* AUD_SDLMixer::prepare(AUD_IReader* reader)
{
m_factory->setReader(reader);
return m_factory->createReader();
}
void AUD_SDLMixer::setSpecs(AUD_Specs specs)
{
m_samplesize = AUD_SAMPLE_SIZE(specs);
if(m_factory)
{
delete m_factory; AUD_DELETE("factory")
}
m_factory = new AUD_SDLMixerFactory(specs); AUD_NEW("factory")
}
void AUD_SDLMixer::add(sample_t* buffer, AUD_Specs specs, int length,
float volume)
{
AUD_SDLMixerBuffer buf;
buf.buffer = buffer;
buf.length = length;
buf.volume = volume;
m_buffers.push_back(buf);
}
void AUD_SDLMixer::superpose(sample_t* buffer, int length, float volume)
{
AUD_SDLMixerBuffer buf;
while(!m_buffers.empty())
{
buf = m_buffers.front();
m_buffers.pop_front();
SDL_MixAudio((Uint8*)buffer,
(Uint8*)buf.buffer,
buf.length * m_samplesize,
(int)(SDL_MIX_MAXVOLUME * volume * buf.volume));
}
}

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#ifndef AUD_SDLMIXER
#define AUD_SDLMIXER
#include "AUD_IMixer.h"
class AUD_SDLMixerFactory;
#include <list>
struct AUD_SDLMixerBuffer
{
sample_t* buffer;
int length;
float volume;
};
/**
* This class is able to mix audiosignals with the help of SDL.
*/
class AUD_SDLMixer : public AUD_IMixer
{
private:
/**
* The mixer factory that prepares all readers for superposition.
*/
AUD_SDLMixerFactory* m_factory;
/**
* The list of buffers to superpose.
*/
std::list<AUD_SDLMixerBuffer> m_buffers;
/**
* The size of an output sample.
*/
int m_samplesize;
public:
/**
* Creates the mixer.
*/
AUD_SDLMixer();
virtual ~AUD_SDLMixer();
virtual AUD_IReader* prepare(AUD_IReader* reader);
virtual void setSpecs(AUD_Specs specs);
virtual void add(sample_t* buffer, AUD_Specs specs, int length,
float volume);
virtual void superpose(sample_t* buffer, int length, float volume);
};
#endif //AUD_SDLMIXER

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#include "AUD_SDLMixerFactory.h"
#include "AUD_SDLMixerReader.h"
AUD_SDLMixerFactory::AUD_SDLMixerFactory(AUD_IReader* reader, AUD_Specs specs) :
AUD_MixerFactory(reader, specs) {}
AUD_SDLMixerFactory::AUD_SDLMixerFactory(AUD_IFactory* factory, AUD_Specs specs) :
AUD_MixerFactory(factory, specs) {}
AUD_SDLMixerFactory::AUD_SDLMixerFactory(AUD_Specs specs) :
AUD_MixerFactory(specs) {}
AUD_IReader* AUD_SDLMixerFactory::createReader()
{
AUD_IReader* reader = getReader();
if(reader != 0)
{
AUD_Specs specs = reader->getSpecs();
if(memcmp(&m_specs, &specs, sizeof(AUD_Specs)) != 0)
{
try
{
reader = new AUD_SDLMixerReader(reader, m_specs);
AUD_NEW("reader")
}
catch(AUD_Exception e)
{
// return 0 in case SDL cannot mix the source
if(e.error != AUD_ERROR_SDL)
throw;
else
reader = NULL;
}
}
}
return reader;
}

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#ifndef AUD_SDLMIXERFACTORY
#define AUD_SDLMIXERFACTORY
#include "AUD_MixerFactory.h"
/**
* This factory creates a resampling reader that uses SDL's resampling
* functionality which unfortunately is very very very limited.
*/
class AUD_SDLMixerFactory : public AUD_MixerFactory
{
public:
AUD_SDLMixerFactory(AUD_IReader* reader, AUD_Specs specs);
AUD_SDLMixerFactory(AUD_IFactory* factory, AUD_Specs specs);
AUD_SDLMixerFactory(AUD_Specs specs);
virtual AUD_IReader* createReader();
};
#endif //AUD_SDLMIXERFACTORY

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#include "AUD_SDLMixerReader.h"
#include "AUD_Buffer.h"
inline Uint16 AUD_TO_SDL(AUD_SampleFormat format)
{
// SDL only supports 8 and 16 bit audio
switch(format)
{
case AUD_FORMAT_U8:
return AUDIO_U8;
case AUD_FORMAT_S16:
return AUDIO_S16SYS;
default:
AUD_THROW(AUD_ERROR_SDL);
}
}
// greatest common divisor
inline int gcd(int a, int b)
{
int c;
// make sure a is the bigger
if(b > a)
{
c = b;
b = a;
a = c;
}
// greetings from Euclides
while(b != 0)
{
c = a % b;
a = b;
b = c;
}
return a;
}
AUD_SDLMixerReader::AUD_SDLMixerReader(AUD_IReader* reader,
AUD_Specs specs)
{
if(reader == NULL)
AUD_THROW(AUD_ERROR_READER);
m_reader = reader;
m_tspecs = specs;
m_sspecs = reader->getSpecs();
try
{
// SDL only supports 8 and 16 bit sample formats
if(SDL_BuildAudioCVT(&m_cvt,
AUD_TO_SDL(m_sspecs.format),
m_sspecs.channels,
m_sspecs.rate,
AUD_TO_SDL(specs.format),
specs.channels,
specs.rate) == -1)
AUD_THROW(AUD_ERROR_SDL);
}
catch(AUD_Exception e)
{
delete m_reader; AUD_DELETE("reader")
throw;
}
m_eor = false;
m_rsposition = 0;
m_rssize = 0;
m_ssize = m_sspecs.rate / gcd(specs.rate, m_sspecs.rate);
m_tsize = m_tspecs.rate * m_ssize / m_sspecs.rate;
m_buffer = new AUD_Buffer(); AUD_NEW("buffer")
m_rsbuffer = new AUD_Buffer(); AUD_NEW("buffer")
}
AUD_SDLMixerReader::~AUD_SDLMixerReader()
{
delete m_reader; AUD_DELETE("reader")
delete m_buffer; AUD_DELETE("buffer")
delete m_rsbuffer; AUD_DELETE("buffer")
}
bool AUD_SDLMixerReader::isSeekable()
{
return m_reader->isSeekable();
}
void AUD_SDLMixerReader::seek(int position)
{
m_reader->seek(position * m_ssize / m_tsize);
m_eor = false;
}
int AUD_SDLMixerReader::getLength()
{
return m_reader->getLength() * m_tsize / m_ssize;
}
int AUD_SDLMixerReader::getPosition()
{
return m_reader->getPosition() * m_tsize / m_ssize;
}
AUD_Specs AUD_SDLMixerReader::getSpecs()
{
return m_tspecs;
}
AUD_ReaderType AUD_SDLMixerReader::getType()
{
return m_reader->getType();
}
bool AUD_SDLMixerReader::notify(AUD_Message &message)
{
return m_reader->notify(message);
}
void AUD_SDLMixerReader::read(int & length, sample_t* & buffer)
{
// sample count for the target buffer without getting a shift
int tns = length + m_tsize - length % m_tsize;
// sample count for the source buffer without getting a shift
int sns = tns * m_ssize / m_tsize;
// target sample size
int tss = AUD_SAMPLE_SIZE(m_tspecs);
// source sample size
int sss = AUD_SAMPLE_SIZE(m_sspecs);
// input is output buffer
int buf_size = AUD_MAX(tns*tss, sns*sss);
// resize if necessary
if(m_rsbuffer->getSize() < buf_size)
m_rsbuffer->resize(buf_size, true);
if(m_buffer->getSize() < length*tss)
m_buffer->resize(length*tss);
buffer = m_buffer->getBuffer();
int size;
int index = 0;
sample_t* buf;
while(index < length)
{
if(m_rsposition == m_rssize)
{
// no more data
if(m_eor)
length = index;
// mix
else
{
// read from source
size = sns;
m_reader->read(size, buf);
// prepare
m_cvt.buf = m_rsbuffer->getBuffer();
m_cvt.len = size*sss;
memcpy(m_cvt.buf, buf, size*sss);
// convert
SDL_ConvertAudio(&m_cvt);
// end of reader
if(size < sns)
m_eor = true;
m_rsposition = 0;
m_rssize = size * m_tsize / m_ssize;
}
}
// size to copy
size = AUD_MIN(m_rssize-m_rsposition, length-index);
// copy
memcpy(m_buffer->getBuffer() + index * tss,
m_rsbuffer->getBuffer() + m_rsposition * tss,
size*tss);
m_rsposition += size;
index += size;
}
}

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#ifndef AUD_SDLMIXERREADER
#define AUD_SDLMIXERREADER
#include "AUD_IReader.h"
class AUD_Buffer;
#include <SDL.h>
/**
* This class mixes a sound source with help of the SDL library.
* Unfortunately SDL is only capable of 8 and 16 bit audio, mono and stereo, as
* well as resampling only 2^n sample rate relationships where n is a natural
* number.
* \warning Although SDL can only resample 2^n sample rate relationships, this
* class doesn't check for compliance, so in case of other factors,
* the behaviour is undefined.
*/
class AUD_SDLMixerReader : public AUD_IReader
{
private:
/**
* The reader that is being mixed.
*/
AUD_IReader* m_reader;
/**
* The current reading position in the resampling buffer.
*/
int m_rsposition;
/**
* The count of mixed samples in the resampling buffer.
*/
int m_rssize;
/**
* The smallest count of source samples to get a fractionless resampling
* factor.
*/
int m_ssize;
/**
* The smallest count of target samples to get a fractionless resampling
* factor.
*/
int m_tsize;
/**
* The sound output buffer.
*/
AUD_Buffer *m_buffer;
/**
* The resampling buffer.
*/
AUD_Buffer *m_rsbuffer;
/**
* The target specification.
*/
AUD_Specs m_tspecs;
/**
* The sample specification of the source.
*/
AUD_Specs m_sspecs;
/**
* Saves whether the end of the source has been reached.
*/
bool m_eor;
/**
* The SDL_AudioCVT structure used for resampling.
*/
SDL_AudioCVT m_cvt;
public:
/**
* Creates a resampling reader.
* \param reader The reader to mix.
* \param specs The target specification.
* \exception AUD_Exception Thrown if the source specification cannot be
* mixed to the target specification or if the reader is
* NULL.
*/
AUD_SDLMixerReader(AUD_IReader* reader, AUD_Specs specs);
/**
* Destroys the reader.
*/
~AUD_SDLMixerReader();
virtual bool isSeekable();
virtual void seek(int position);
virtual int getLength();
virtual int getPosition();
virtual AUD_Specs getSpecs();
virtual AUD_ReaderType getType();
virtual bool notify(AUD_Message &message);
virtual void read(int & length, sample_t* & buffer);
};
#endif //AUD_SDLMIXERREADER

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#
# $Id: Makefile 13161 2008-01-07 19:13:47Z hos $
#
# ***** BEGIN GPL LICENSE BLOCK *****
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
# The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
# All rights reserved.
#
# The Original Code is: all of this file.
#
# Contributor(s): none yet.
#
# ***** END GPL LICENSE BLOCK *****
#
#
LIBNAME = SDLaudaspace
DIR = $(OCGDIR)/intern/$(LIBNAME)
include nan_compile.mk
CCFLAGS += $(LEVEL_1_CPP_WARNINGS)
CPPFLAGS += $(NAN_SDLCFLAGS)
CPPFLAGS += -I../intern
CPPFLAGS += -I..
CPPFLAGS += -I.

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#include "AUD_SRCResampleFactory.h"
#include "AUD_SRCResampleReader.h"
AUD_SRCResampleFactory::AUD_SRCResampleFactory(AUD_IReader* reader,
AUD_Specs specs) :
AUD_ResampleFactory(reader, specs) {}
AUD_SRCResampleFactory::AUD_SRCResampleFactory(AUD_IFactory* factory,
AUD_Specs specs) :
AUD_ResampleFactory(factory, specs) {}
AUD_SRCResampleFactory::AUD_SRCResampleFactory(AUD_Specs specs) :
AUD_ResampleFactory(specs) {}
AUD_IReader* AUD_SRCResampleFactory::createReader()
{
AUD_IReader* reader = getReader();
if(reader != 0)
{
if(reader->getSpecs().rate != m_specs.rate)
{
reader = new AUD_SRCResampleReader(reader, m_specs);
AUD_NEW("reader")
}
}
return reader;
}

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#ifndef AUD_SRCRESAMPLEFACTORY
#define AUD_SRCRESAMPLEFACTORY
#include "AUD_ResampleFactory.h"
/**
* This factory creates a resampling reader that uses libsamplerate for
* resampling.
* \note The format of the input must be float.
*/
class AUD_SRCResampleFactory : public AUD_ResampleFactory
{
public:
AUD_SRCResampleFactory(AUD_IReader* reader, AUD_Specs specs);
AUD_SRCResampleFactory(AUD_IFactory* factory, AUD_Specs specs);
AUD_SRCResampleFactory(AUD_Specs specs);
virtual AUD_IReader* createReader();
};
#endif //AUD_SRCRESAMPLEFACTORY

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#include "AUD_SRCResampleReader.h"
#include "AUD_Buffer.h"
#include <math.h>
#include <cstring>
#include <stdio.h>
static long src_callback(void *cb_data, float **data)
{
return ((AUD_SRCResampleReader*)cb_data)->doCallback(data);
}
AUD_SRCResampleReader::AUD_SRCResampleReader(AUD_IReader* reader,
AUD_Specs specs) :
AUD_EffectReader(reader)
{
m_sspecs = reader->getSpecs();
if(m_sspecs.format != AUD_FORMAT_FLOAT32)
{
delete m_reader; AUD_DELETE("reader")
AUD_THROW(AUD_ERROR_READER);
}
m_tspecs = specs;
m_tspecs.channels = m_sspecs.channels;
m_tspecs.format = m_sspecs.format;
m_factor = (double)m_tspecs.rate / (double)m_sspecs.rate;
int error;
m_src = src_callback_new(src_callback,
SRC_SINC_MEDIUM_QUALITY,
m_sspecs.channels,
&error,
this);
if(!m_src)
{
// XXX printf("%s\n", src_strerror(error));
delete m_reader; AUD_DELETE("reader")
AUD_THROW(AUD_ERROR_READER);
}
m_buffer = new AUD_Buffer(); AUD_NEW("buffer")
}
AUD_SRCResampleReader::~AUD_SRCResampleReader()
{
delete m_buffer; AUD_DELETE("buffer")
src_delete(m_src);
}
long AUD_SRCResampleReader::doCallback(float** data)
{
int length = m_buffer->getSize() / 4 / m_tspecs.channels;
sample_t* buffer;
m_reader->read(length, buffer);
*data = (float*)buffer;
return length;
}
void AUD_SRCResampleReader::seek(int position)
{
m_reader->seek(position / m_factor);
src_reset(m_src);
}
int AUD_SRCResampleReader::getLength()
{
return m_reader->getLength() * m_factor;
}
int AUD_SRCResampleReader::getPosition()
{
return m_reader->getPosition() * m_factor;
}
AUD_Specs AUD_SRCResampleReader::getSpecs()
{
return m_tspecs;
}
void AUD_SRCResampleReader::read(int & length, sample_t* & buffer)
{
if(m_buffer->getSize() < length * m_tspecs.channels * 4)
m_buffer->resize(length * m_tspecs.channels * 4);
buffer = m_buffer->getBuffer();
length = src_callback_read(m_src, m_factor, length, (float*)buffer);
}

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#ifndef AUD_SRCRESAMPLEREADER
#define AUD_SRCRESAMPLEREADER
#include "AUD_EffectReader.h"
class AUD_Buffer;
#include <samplerate.h>
/**
* This class mixes a sound source with help of the SDL library.
* Unfortunately SDL is only capable of 8 and 16 bit audio, mono and stereo, as
* well as resampling only 2^n sample rate relationships where n is a natural
* number.
* \warning Although SDL can only resample 2^n sample rate relationships, this
* class doesn't check for compliance, so in case of other factors,
* the behaviour is undefined.
*/
class AUD_SRCResampleReader : public AUD_EffectReader
{
private:
/**
* The resampling factor.
*/
double m_factor;
/**
* The sound output buffer.
*/
AUD_Buffer *m_buffer;
/**
* The target specification.
*/
AUD_Specs m_tspecs;
/**
* The sample specification of the source.
*/
AUD_Specs m_sspecs;
/**
* The src state structure.
*/
SRC_STATE* m_src;
public:
/**
* Creates a resampling reader.
* \param reader The reader to mix.
* \param specs The target specification.
* \exception AUD_Exception Thrown if the source specification cannot be
* mixed to the target specification or if the reader is
* NULL.
*/
AUD_SRCResampleReader(AUD_IReader* reader, AUD_Specs specs);
/**
* Destroys the reader.
*/
~AUD_SRCResampleReader();
/**
* The callback function for SRC.
* \warning Do not call!
* \param data The pointer to the float data.
* \return The count of samples in the float data.
*/
long doCallback(float** data);
virtual void seek(int position);
virtual int getLength();
virtual int getPosition();
virtual AUD_Specs getSpecs();
virtual void read(int & length, sample_t* & buffer);
};
#endif //AUD_SRCRESAMPLEREADER

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#include "AUD_FFMPEGFactory.h"
#include "AUD_FFMPEGReader.h"
#include "AUD_Space.h"
extern "C" {
#include <libavformat/avformat.h>
}
AUD_FFMPEGFactory::AUD_FFMPEGFactory(const char* filename)
{
if(filename != 0)
{
m_filename = new char[strlen(filename)+1]; AUD_NEW("string")
strcpy(m_filename, filename);
}
else
m_filename = 0;
m_buffer = 0;
m_size = 0;
}
AUD_FFMPEGFactory::AUD_FFMPEGFactory(unsigned char* buffer, int size)
{
m_filename = 0;
m_buffer = (unsigned char*)av_malloc(size); AUD_NEW("buffer")
m_size = size;
memcpy(m_buffer, buffer, size);
}
AUD_FFMPEGFactory::~AUD_FFMPEGFactory()
{
if(m_filename)
{
delete[] m_filename; AUD_DELETE("string")
}
if(m_buffer)
{
av_free(m_buffer); AUD_DELETE("buffer")
}
}
AUD_IReader* AUD_FFMPEGFactory::createReader()
{
try
{
AUD_IReader* reader;
if(m_filename)
reader = new AUD_FFMPEGReader(m_filename);
else
reader = new AUD_FFMPEGReader(m_buffer, m_size);
AUD_NEW("reader")
return reader;
}
catch(AUD_Exception e)
{
// return 0 if ffmpeg cannot read the file
if(e.error == AUD_ERROR_FFMPEG)
return 0;
// but throw an exception if the file doesn't exist
else
throw;
}
}

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#ifndef AUD_FFMPEGFACTORY
#define AUD_FFMPEGFACTORY
#include "AUD_IFactory.h"
/**
* This factory reads a sound file via ffmpeg.
* \warning Notice that the needed formats and codecs have to be registered
* for ffmpeg before this class can be used.
*/
class AUD_FFMPEGFactory : public AUD_IFactory
{
private:
/**
* The filename of the sound source file.
*/
char* m_filename;
/**
* The buffer to read from.
*/
unsigned char* m_buffer;
/**
* The size of the buffer.
*/
int m_size;
public:
/**
* Creates a new factory.
* \param filename The sound file path.
*/
AUD_FFMPEGFactory(const char* filename);
/**
* Creates a new factory.
* \param buffer The buffer to read from.
* \param size The size of the buffer.
*/
AUD_FFMPEGFactory(unsigned char* buffer, int size);
/**
* Destroys the factory.
*/
~AUD_FFMPEGFactory();
virtual AUD_IReader* createReader();
};
#endif //AUD_FFMPEGFACTORY

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
// needed for INT64_C
#define __STDC_CONSTANT_MACROS
#include "AUD_FFMPEGReader.h"
#include "AUD_Buffer.h"
extern "C" {
#include <libavcodec/avcodec.h>
#include <libavformat/avformat.h>
}
// This function transforms a FFMPEG SampleFormat to or own sample format
static inline AUD_SampleFormat FFMPEG_TO_AUD(SampleFormat fmt)
{
switch(fmt)
{
case SAMPLE_FMT_U8:
return AUD_FORMAT_U8;
case SAMPLE_FMT_S16:
return AUD_FORMAT_S16;
case SAMPLE_FMT_S32:
return AUD_FORMAT_S32;
case SAMPLE_FMT_FLT:
return AUD_FORMAT_FLOAT32;
case SAMPLE_FMT_DBL:
return AUD_FORMAT_FLOAT64;
default:
return AUD_FORMAT_INVALID;
}
}
int AUD_FFMPEGReader::decode(AVPacket* packet, AUD_Buffer* buffer)
{
// save packet parameters
uint8_t *audio_pkg_data = packet->data;
int audio_pkg_size = packet->size;
int buf_size = buffer->getSize();
int buf_pos = 0;
int read_length, data_size;
// as long as there is still data in the package
while(audio_pkg_size > 0)
{
// resize buffer if needed
if(buf_size - buf_pos < AVCODEC_MAX_AUDIO_FRAME_SIZE)
{
buffer->resize(buf_size + AVCODEC_MAX_AUDIO_FRAME_SIZE, true);
buf_size += AVCODEC_MAX_AUDIO_FRAME_SIZE;
}
// read samples from the packet
data_size = buf_size - buf_pos;
/*read_length = avcodec_decode_audio3(m_codecCtx,
(int16_t*)(buffer->getBuffer()+buf_pos),
&data_size,
packet);*/
read_length = avcodec_decode_audio2(m_codecCtx,
(int16_t*)(buffer->getBuffer()+buf_pos),
&data_size,
audio_pkg_data,
audio_pkg_size);
buf_pos += data_size;
// read error, next packet!
if(read_length < 0)
break;
// move packet parameters
audio_pkg_data += read_length;
audio_pkg_size -= read_length;
}
return buf_pos;
}
AUD_FFMPEGReader::AUD_FFMPEGReader(const char* filename)
{
m_position = 0;
m_pkgbuf_left = 0;
m_byteiocontext = NULL;
// open file
if(av_open_input_file(&m_formatCtx, filename, NULL, 0, NULL)!=0)
AUD_THROW(AUD_ERROR_FILE);
try
{
if(av_find_stream_info(m_formatCtx)<0)
AUD_THROW(AUD_ERROR_FFMPEG);
// find audio stream and codec
m_stream = -1;
for(int i = 0; i < m_formatCtx->nb_streams; i++)
if((m_formatCtx->streams[i]->codec->codec_type == CODEC_TYPE_AUDIO)
&& (m_stream < 0))
{
m_stream=i;
break;
}
if(m_stream == -1)
AUD_THROW(AUD_ERROR_FFMPEG);
m_codecCtx = m_formatCtx->streams[m_stream]->codec;
// get a decoder and open it
AVCodec *aCodec = avcodec_find_decoder(m_codecCtx->codec_id);
if(!aCodec)
AUD_THROW(AUD_ERROR_FFMPEG);
if(avcodec_open(m_codecCtx, aCodec)<0)
AUD_THROW(AUD_ERROR_FFMPEG);
// XXX this prints file information to stdout:
//dump_format(m_formatCtx, 0, filename, 0);
m_specs.channels = (AUD_Channels) m_codecCtx->channels;
m_specs.format = FFMPEG_TO_AUD(m_codecCtx->sample_fmt);
m_specs.rate = (AUD_SampleRate) m_codecCtx->sample_rate;
}
catch(AUD_Exception e)
{
av_close_input_file(m_formatCtx);
throw;
}
// last but not least if there hasn't been any error, create the buffers
m_buffer = new AUD_Buffer(); AUD_NEW("buffer")
m_pkgbuf = new AUD_Buffer(AVCODEC_MAX_AUDIO_FRAME_SIZE<<1);
AUD_NEW("buffer")
}
AUD_FFMPEGReader::AUD_FFMPEGReader(unsigned char* buffer, int size)
{
m_position = 0;
m_pkgbuf_left = 0;
m_byteiocontext = (ByteIOContext*)av_mallocz(sizeof(ByteIOContext));
AUD_NEW("byteiocontext")
if(init_put_byte(m_byteiocontext, buffer, size, 0,
NULL, NULL, NULL, NULL) != 0)
AUD_THROW(AUD_ERROR_FILE);
AVProbeData probe_data;
probe_data.filename = "";
probe_data.buf = buffer;
probe_data.buf_size = size;
AVInputFormat* fmt = av_probe_input_format(&probe_data, 1);
// open stream
if(av_open_input_stream(&m_formatCtx, m_byteiocontext, "", fmt, NULL)!=0)
AUD_THROW(AUD_ERROR_FILE);
try
{
if(av_find_stream_info(m_formatCtx)<0)
AUD_THROW(AUD_ERROR_FFMPEG);
// find audio stream and codec
m_stream = -1;
for(int i = 0; i < m_formatCtx->nb_streams; i++)
if((m_formatCtx->streams[i]->codec->codec_type == CODEC_TYPE_AUDIO)
&& (m_stream < 0))
{
m_stream=i;
break;
}
if(m_stream == -1)
AUD_THROW(AUD_ERROR_FFMPEG);
m_codecCtx = m_formatCtx->streams[m_stream]->codec;
// get a decoder and open it
AVCodec *aCodec = avcodec_find_decoder(m_codecCtx->codec_id);
if(!aCodec)
AUD_THROW(AUD_ERROR_FFMPEG);
if(avcodec_open(m_codecCtx, aCodec)<0)
AUD_THROW(AUD_ERROR_FFMPEG);
// XXX this prints stream information to stdout:
//dump_format(m_formatCtx, 0, NULL, 0);
m_specs.channels = (AUD_Channels) m_codecCtx->channels;
m_specs.format = FFMPEG_TO_AUD(m_codecCtx->sample_fmt);
m_specs.rate = (AUD_SampleRate) m_codecCtx->sample_rate;
}
catch(AUD_Exception e)
{
av_close_input_stream(m_formatCtx);
av_free(m_byteiocontext); AUD_DELETE("byteiocontext")
throw;
}
// last but not least if there hasn't been any error, create the buffers
m_buffer = new AUD_Buffer(); AUD_NEW("buffer")
m_pkgbuf = new AUD_Buffer(AVCODEC_MAX_AUDIO_FRAME_SIZE<<1);
AUD_NEW("buffer")
}
AUD_FFMPEGReader::~AUD_FFMPEGReader()
{
avcodec_close(m_codecCtx);
if(m_byteiocontext)
{
av_close_input_stream(m_formatCtx);
av_free(m_byteiocontext); AUD_DELETE("byteiocontext")
}
else
av_close_input_file(m_formatCtx);
delete m_buffer; AUD_DELETE("buffer")
delete m_pkgbuf; AUD_DELETE("buffer")
}
bool AUD_FFMPEGReader::isSeekable()
{
return true;
}
void AUD_FFMPEGReader::seek(int position)
{
if(position >= 0)
{
// a value < 0 tells us that seeking failed
if(av_seek_frame(m_formatCtx,
-1,
(uint64_t)(((uint64_t)position *
(uint64_t)AV_TIME_BASE) /
(uint64_t)m_specs.rate),
AVSEEK_FLAG_BACKWARD | AVSEEK_FLAG_ANY) >= 0)
{
avcodec_flush_buffers(m_codecCtx);
m_position = position;
AVPacket packet;
bool search = true;
while(search && av_read_frame(m_formatCtx, &packet) >= 0)
{
// is it a frame from the audio stream?
if(packet.stream_index == m_stream)
{
// decode the package
m_pkgbuf_left = decode(&packet, m_pkgbuf);
search = false;
// check position
if(packet.pts != AV_NOPTS_VALUE)
{
// calculate real position, and read to frame!
m_position = packet.pts *
av_q2d(m_formatCtx->streams[m_stream]->time_base) *
m_specs.rate;
if(m_position < position)
{
sample_t* buf;
int length = position - m_position;
read(length, buf);
}
}
}
av_free_packet(&packet);
}
}
else
{
// Seeking failed, do nothing.
}
}
}
int AUD_FFMPEGReader::getLength()
{
// return approximated remaning size
return (int)((m_formatCtx->duration * m_codecCtx->sample_rate)
/ AV_TIME_BASE)-m_position;
}
int AUD_FFMPEGReader::getPosition()
{
return m_position;
}
AUD_Specs AUD_FFMPEGReader::getSpecs()
{
return m_specs;
}
AUD_ReaderType AUD_FFMPEGReader::getType()
{
return AUD_TYPE_STREAM;
}
bool AUD_FFMPEGReader::notify(AUD_Message &message)
{
return false;
}
void AUD_FFMPEGReader::read(int & length, sample_t* & buffer)
{
// read packages and decode them
AVPacket packet;
int data_size = 0;
int pkgbuf_size = m_pkgbuf->getSize();
int pkgbuf_pos;
int left = length;
int sample_size = AUD_SAMPLE_SIZE(m_specs);
// resize output buffer if necessary
if(m_buffer->getSize() < length*sample_size)
m_buffer->resize(length*sample_size);
buffer = m_buffer->getBuffer();
pkgbuf_pos = m_pkgbuf_left;
m_pkgbuf_left = 0;
// there may still be data in the buffer from the last call
if(pkgbuf_pos > 0)
{
data_size = AUD_MIN(pkgbuf_pos, left * sample_size);
memcpy(buffer, m_pkgbuf->getBuffer(), data_size);
buffer += data_size;
left -= data_size/sample_size;
}
// for each frame read as long as there isn't enough data already
while((left > 0) && (av_read_frame(m_formatCtx, &packet) >= 0))
{
// is it a frame from the audio stream?
if(packet.stream_index == m_stream)
{
// decode the package
pkgbuf_pos = decode(&packet, m_pkgbuf);
// copy to output buffer
data_size = AUD_MIN(pkgbuf_pos, left * sample_size);
memcpy(buffer, m_pkgbuf->getBuffer(), data_size);
buffer += data_size;
left -= data_size/sample_size;
}
av_free_packet(&packet);
}
// read more data than necessary?
if(pkgbuf_pos > data_size)
{
m_pkgbuf_left = pkgbuf_pos-data_size;
memmove(m_pkgbuf->getBuffer(), m_pkgbuf->getBuffer()+data_size,
pkgbuf_pos-data_size);
}
buffer = m_buffer->getBuffer();
if(left > 0)
length -= left;
m_position += length;
}

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#ifndef AUD_FFMPEGREADER
#define AUD_FFMPEGREADER
#include "AUD_IReader.h"
class AUD_Buffer;
struct AVCodecContext;
extern "C" {
#include <libavformat/avformat.h>
}
/**
* This class reads a sound file via ffmpeg.
* \warning Seeking may not be accurate! Moreover the position is updated after
* a buffer reading call. So calling getPosition right after seek
* normally results in a wrong value.
* \warning Playback of an ogg with some outdated ffmpeg versions results in a
* segfault on windows.
*/
class AUD_FFMPEGReader : public AUD_IReader
{
private:
/**
* The current position in samples.
*/
int m_position;
/**
* The playback buffer.
*/
AUD_Buffer *m_buffer;
/**
* The specification of the audio data.
*/
AUD_Specs m_specs;
/**
* The buffer for package reading.
*/
AUD_Buffer *m_pkgbuf;
/**
* The count of samples still available from the last read package.
*/
int m_pkgbuf_left;
/**
* The AVFormatContext structure for using ffmpeg.
*/
AVFormatContext* m_formatCtx;
/**
* The AVCodecContext structure for using ffmpeg.
*/
AVCodecContext* m_codecCtx;
/**
* The ByteIOContext to read the data from.
*/
ByteIOContext* m_byteiocontext;
/**
* The stream ID in the file.
*/
int m_stream;
/**
* Decodes a packet into the given buffer.
* \param packet The AVPacket to decode.
* \param buffer The target buffer.
* \return The count of read bytes.
*/
int decode(AVPacket* packet, AUD_Buffer* buffer);
public:
/**
* Creates a new reader.
* \param filename The path to the file to be read.
* \exception AUD_Exception Thrown if the file specified does not exist or
* cannot be read with ffmpeg.
*/
AUD_FFMPEGReader(const char* filename);
/**
* Creates a new reader.
* \param buffer The buffer to read from.
* \param size The size of the buffer.
* \exception AUD_Exception Thrown if the buffer specified cannot be read
* with ffmpeg.
*/
AUD_FFMPEGReader(unsigned char* buffer, int size);
/**
* Destroys the reader and closes the file.
*/
virtual ~AUD_FFMPEGReader();
virtual bool isSeekable();
virtual void seek(int position);
virtual int getLength();
virtual int getPosition();
virtual AUD_Specs getSpecs();
virtual AUD_ReaderType getType();
virtual bool notify(AUD_Message &message);
virtual void read(int & length, sample_t* & buffer);
};
#endif //AUD_FFMPEGREADER

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#
# $Id: Makefile 13161 2008-01-07 19:13:47Z hos $
#
# ***** BEGIN GPL LICENSE BLOCK *****
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
# The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
# All rights reserved.
#
# The Original Code is: all of this file.
#
# Contributor(s): none yet.
#
# ***** END GPL LICENSE BLOCK *****
#
#
LIBNAME = ffmpegaudaspace
DIR = $(OCGDIR)/intern/$(LIBNAME)
include nan_compile.mk
CCFLAGS += $(LEVEL_1_CPP_WARNINGS)
CPPFLAGS += $(NAN_FFMPEGCFLAGS)
CPPFLAGS += -I../intern
CPPFLAGS += -I..
CPPFLAGS += -I.

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#include "AUD_Buffer.h"
#include "AUD_Space.h"
#include <cstring>
#include <stdlib.h>
#define AUD_ALIGN(a) (a + 16 - ((long)a & 15))
AUD_Buffer::AUD_Buffer(int size)
{
m_size = size;
m_buffer = (sample_t*) malloc(size+16); AUD_NEW("buffer")
}
AUD_Buffer::~AUD_Buffer()
{
free(m_buffer); AUD_DELETE("buffer")
}
sample_t* AUD_Buffer::getBuffer()
{
return AUD_ALIGN(m_buffer);
}
int AUD_Buffer::getSize()
{
return m_size;
}
void AUD_Buffer::resize(int size, bool keep)
{
sample_t* buffer = (sample_t*) malloc(size+16); AUD_NEW("buffer")
// copy old data over if wanted
if(keep)
memcpy(AUD_ALIGN(buffer), AUD_ALIGN(m_buffer), AUD_MIN(size, m_size));
free(m_buffer); AUD_DELETE("buffer")
m_buffer = buffer;
m_size = size;
}

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#ifndef AUD_BUFFER
#define AUD_BUFFER
#include "AUD_Space.h"
/**
* This class is a simple buffer in RAM which is 16 Byte aligned and provides
* resize functionality.
*/
class AUD_Buffer
{
private:
/// The size of the buffer in bytes.
int m_size;
/// The pointer to the buffer memory.
sample_t* m_buffer;
public:
/**
* Creates a new buffer.
* \param size The size of the buffer in bytes.
*/
AUD_Buffer(int size = 0);
/**
* Destroys the buffer.
*/
~AUD_Buffer();
/**
* Returns the pointer to the buffer in memory.
*/
sample_t* getBuffer();
/**
* Returns the size of the buffer in bytes.
*/
int getSize();
/**
* Resizes the buffer.
* \param size The new size of the buffer, measured in bytes.
* \param keep Whether to keep the old data. If the new buffer is smaller,
* the data at the end will be lost.
*/
void resize(int size, bool keep = false);
};
#endif //AUD_BUFFER

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#include "AUD_BufferReader.h"
#include "AUD_Buffer.h"
#include "AUD_Space.h"
AUD_BufferReader::AUD_BufferReader(AUD_Reference<AUD_Buffer> buffer,
AUD_Specs specs)
{
m_position = 0;
m_buffer = buffer;
m_specs = specs;
}
bool AUD_BufferReader::isSeekable()
{
return true;
}
void AUD_BufferReader::seek(int position)
{
if(position < 0)
m_position = 0;
else if(position > m_buffer.get()->getSize() / AUD_SAMPLE_SIZE(m_specs))
m_position = m_buffer.get()->getSize() / AUD_SAMPLE_SIZE(m_specs);
else
m_position = position;
}
int AUD_BufferReader::getLength()
{
return m_buffer.get()->getSize()/AUD_SAMPLE_SIZE(m_specs);
}
int AUD_BufferReader::getPosition()
{
return m_position;
}
AUD_Specs AUD_BufferReader::getSpecs()
{
return m_specs;
}
AUD_ReaderType AUD_BufferReader::getType()
{
return AUD_TYPE_BUFFER;
}
bool AUD_BufferReader::notify(AUD_Message &message)
{
return false;
}
void AUD_BufferReader::read(int & length, sample_t* & buffer)
{
int sample_size = AUD_SAMPLE_SIZE(m_specs);
buffer = m_buffer.get()->getBuffer()+m_position*sample_size;
// in case the end of the buffer is reach
if(m_buffer.get()->getSize() < (m_position+length)*sample_size)
length = m_buffer.get()->getSize()/sample_size-m_position;
if(length < 0)
length = 0;
m_position += length;
}

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#ifndef AUD_BUFFERREADER
#define AUD_BUFFERREADER
#include "AUD_IReader.h"
#include "AUD_Reference.h"
class AUD_Buffer;
/**
* This class represents a simple reader from a buffer that exists in memory.
* \warning Notice that the buffer used for creating the reader must exist as
* long as the reader exists.
*/
class AUD_BufferReader : public AUD_IReader
{
private:
/**
* The current position in the buffer.
*/
int m_position;
/**
* The buffer that is read.
*/
AUD_Reference<AUD_Buffer> m_buffer;
/**
* The specification of the sample data in the buffer.
*/
AUD_Specs m_specs;
public:
/**
* Creates a new buffer reader.
* \param buffer The buffer to read from.
* \param specs The specification of the sample data in the buffer.
*/
AUD_BufferReader(AUD_Reference<AUD_Buffer> buffer, AUD_Specs specs);
virtual bool isSeekable();
virtual void seek(int position);
virtual int getLength();
virtual int getPosition();
virtual AUD_Specs getSpecs();
virtual AUD_ReaderType getType();
virtual bool notify(AUD_Message &message);
virtual void read(int & length, sample_t* & buffer);
};
#endif //AUD_BUFFERREADER

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
/*#define WITH_SDL
#define WITH_FFMPEG
#define WITH_OPENAL*/
#include "AUD_NULLDevice.h"
#include "AUD_I3DDevice.h"
#include "AUD_StreamBufferFactory.h"
#include "AUD_DelayFactory.h"
#include "AUD_LimiterFactory.h"
#include "AUD_PingPongFactory.h"
#include "AUD_LoopFactory.h"
#include "AUD_ReadDevice.h"
#include "AUD_SourceCaps.h"
#include "AUD_IReader.h"
#ifdef WITH_SDL
#include "AUD_SDLDevice.h"
#include "AUD_FloatMixer.h"
#endif
#ifdef WITH_OPENAL
#include "AUD_OpenALDevice.h"
#endif
#ifdef WITH_FFMPEG
#include "AUD_FFMPEGFactory.h"
extern "C" {
#include <libavformat/avformat.h>
}
#endif
#include <assert.h>
typedef AUD_IFactory AUD_Sound;
typedef AUD_ReadDevice AUD_Device;
#define AUD_CAPI_IMPLEMENTATION
#include "AUD_C-API.h"
#ifndef NULL
#define NULL 0
#endif
static AUD_IDevice* AUD_device = NULL;
static int AUD_available_devices[3];
static AUD_I3DDevice* AUD_3ddevice = NULL;
int AUD_init(AUD_DeviceType device, AUD_Specs specs, int buffersize)
{
#ifdef WITH_FFMPEG
av_register_all();
#endif
AUD_IDevice* dev = NULL;
try
{
switch(device)
{
case AUD_NULL_DEVICE:
dev = new AUD_NULLDevice();
break;
#ifdef WITH_SDL
case AUD_SDL_DEVICE:
{
dev = new AUD_SDLDevice(specs, buffersize);
AUD_FloatMixer* mixer = new AUD_FloatMixer();
((AUD_SDLDevice*)dev)->setMixer(mixer);
break;
}
#endif
#ifdef WITH_OPENAL
case AUD_OPENAL_DEVICE:
dev = new AUD_OpenALDevice(specs, buffersize);
break;
#endif
default:
return false;
}
if(AUD_device)
AUD_exit();
AUD_device = dev;
if(AUD_device->checkCapability(AUD_CAPS_3D_DEVICE))
AUD_3ddevice = dynamic_cast<AUD_I3DDevice*>(AUD_device);
return true;
}
catch(AUD_Exception e)
{
return false;
}
}
int* AUD_enumDevices()
{
int i = 0;
#ifdef WITH_SDL
AUD_available_devices[i++] = AUD_SDL_DEVICE;
#endif
#ifdef WITH_OPENAL
AUD_available_devices[i++] = AUD_OPENAL_DEVICE;
#endif
AUD_available_devices[i++] = AUD_NULL_DEVICE;
return AUD_available_devices;
}
void AUD_exit()
{
assert(AUD_device);
delete AUD_device;
AUD_device = NULL;
AUD_3ddevice = NULL;
}
void AUD_lock()
{
assert(AUD_device);
AUD_device->lock();
}
void AUD_unlock()
{
assert(AUD_device);
AUD_device->unlock();
}
AUD_SoundInfo AUD_getInfo(AUD_Sound* sound)
{
assert(sound);
AUD_IReader* reader = sound->createReader();
AUD_SoundInfo info;
if(reader)
{
info.specs = reader->getSpecs();
info.length = reader->getLength() / (float) info.specs.rate;
}
else
{
info.specs.channels = AUD_CHANNELS_INVALID;
info.specs.format = AUD_FORMAT_INVALID;
info.specs.rate = AUD_RATE_INVALID;
info.length = 0.0;
}
return info;
}
AUD_Sound* AUD_load(const char* filename)
{
assert(filename);
#ifdef WITH_FFMPEG
return new AUD_FFMPEGFactory(filename);
#else
return NULL;
#endif
}
AUD_Sound* AUD_loadBuffer(unsigned char* buffer, int size)
{
assert(buffer);
#ifdef WITH_FFMPEG
return new AUD_FFMPEGFactory(buffer, size);
#else
return NULL;
#endif
}
AUD_Sound* AUD_bufferSound(AUD_Sound* sound)
{
assert(sound);
try
{
return new AUD_StreamBufferFactory(sound);
}
catch(AUD_Exception e)
{
return NULL;
}
}
AUD_Sound* AUD_delaySound(AUD_Sound* sound, float delay)
{
assert(sound);
try
{
return new AUD_DelayFactory(sound, delay);
}
catch(AUD_Exception e)
{
return NULL;
}
}
extern AUD_Sound* AUD_limitSound(AUD_Sound* sound, float start, float end)
{
assert(sound);
try
{
return new AUD_LimiterFactory(sound, start, end);
}
catch(AUD_Exception e)
{
return NULL;
}
}
AUD_Sound* AUD_pingpongSound(AUD_Sound* sound)
{
assert(sound);
try
{
return new AUD_PingPongFactory(sound);
}
catch(AUD_Exception e)
{
return NULL;
}
}
AUD_Sound* AUD_loopSound(AUD_Sound* sound)
{
assert(sound);
try
{
return new AUD_LoopFactory(sound);
}
catch(AUD_Exception e)
{
return NULL;
}
}
int AUD_stopLoop(AUD_Handle* handle)
{
if(handle)
{
AUD_Message message;
message.type = AUD_MSG_LOOP;
message.loopcount = 0;
try
{
return AUD_device->sendMessage(handle, message);
}
catch(AUD_Exception e)
{
}
}
return false;
}
void AUD_unload(AUD_Sound* sound)
{
assert(sound);
delete sound;
}
AUD_Handle* AUD_play(AUD_Sound* sound, int keep)
{
assert(AUD_device);
assert(sound);
try
{
return AUD_device->play(sound, keep);
}
catch(AUD_Exception e)
{
return NULL;
}
}
int AUD_pause(AUD_Handle* handle)
{
assert(AUD_device);
return AUD_device->pause(handle);
}
int AUD_resume(AUD_Handle* handle)
{
assert(AUD_device);
return AUD_device->resume(handle);
}
int AUD_stop(AUD_Handle* handle)
{
if(AUD_device)
return AUD_device->stop(handle);
return false;
}
int AUD_setKeep(AUD_Handle* handle, int keep)
{
assert(AUD_device);
return AUD_device->setKeep(handle, keep);
}
int AUD_seek(AUD_Handle* handle, float seekTo)
{
assert(AUD_device);
return AUD_device->seek(handle, seekTo);
}
float AUD_getPosition(AUD_Handle* handle)
{
assert(AUD_device);
return AUD_device->getPosition(handle);
}
AUD_Status AUD_getStatus(AUD_Handle* handle)
{
assert(AUD_device);
return AUD_device->getStatus(handle);
}
AUD_Handle* AUD_play3D(AUD_Sound* sound, int keep)
{
assert(AUD_device);
assert(sound);
try
{
if(AUD_3ddevice)
return AUD_3ddevice->play3D(sound, keep);
else
return AUD_device->play(sound, keep);
}
catch(AUD_Exception e)
{
return NULL;
}
}
int AUD_updateListener(AUD_3DData* data)
{
assert(AUD_device);
assert(data);
try
{
if(AUD_3ddevice)
return AUD_3ddevice->updateListener(*data);
}
catch(AUD_Exception e)
{
}
return false;
}
int AUD_set3DSetting(AUD_3DSetting setting, float value)
{
assert(AUD_device);
try
{
if(AUD_3ddevice)
return AUD_3ddevice->setSetting(setting, value);
}
catch(AUD_Exception e)
{
}
return false;
}
float AUD_get3DSetting(AUD_3DSetting setting)
{
assert(AUD_device);
try
{
if(AUD_3ddevice)
return AUD_3ddevice->getSetting(setting);
}
catch(AUD_Exception e)
{
}
return 0.0;
}
int AUD_update3DSource(AUD_Handle* handle, AUD_3DData* data)
{
if(handle)
{
assert(AUD_device);
assert(data);
try
{
if(AUD_3ddevice)
return AUD_3ddevice->updateSource(handle, *data);
}
catch(AUD_Exception e)
{
}
}
return false;
}
int AUD_set3DSourceSetting(AUD_Handle* handle,
AUD_3DSourceSetting setting, float value)
{
if(handle)
{
assert(AUD_device);
try
{
if(AUD_3ddevice)
return AUD_3ddevice->setSourceSetting(handle, setting, value);
}
catch(AUD_Exception e)
{
}
}
return false;
}
float AUD_get3DSourceSetting(AUD_Handle* handle, AUD_3DSourceSetting setting)
{
if(handle)
{
assert(AUD_device);
try
{
if(AUD_3ddevice)
return AUD_3ddevice->getSourceSetting(handle, setting);
}
catch(AUD_Exception e)
{
}
}
return 0.0;
}
int AUD_setSoundVolume(AUD_Handle* handle, float volume)
{
if(handle)
{
assert(AUD_device);
AUD_SourceCaps caps;
caps.handle = handle;
caps.value = volume;
try
{
return AUD_device->setCapability(AUD_CAPS_SOURCE_VOLUME, &caps);
}
catch(AUD_Exception e) {}
}
return false;
}
int AUD_setSoundPitch(AUD_Handle* handle, float pitch)
{
if(handle)
{
assert(AUD_device);
AUD_SourceCaps caps;
caps.handle = handle;
caps.value = pitch;
try
{
return AUD_device->setCapability(AUD_CAPS_SOURCE_PITCH, &caps);
}
catch(AUD_Exception e) {}
}
return false;
}
AUD_Device* AUD_openReadDevice(AUD_Specs specs)
{
try
{
return new AUD_ReadDevice(specs);
}
catch(AUD_Exception e)
{
return NULL;
}
}
int AUD_playDevice(AUD_Device* device, AUD_Sound* sound)
{
assert(device);
assert(sound);
try
{
return device->play(sound) != NULL;
}
catch(AUD_Exception e)
{
return false;
}
}
int AUD_readDevice(AUD_Device* device, sample_t* buffer, int length)
{
assert(device);
assert(buffer);
try
{
return device->read(buffer, length);
}
catch(AUD_Exception e)
{
return false;
}
}
void AUD_closeReadDevice(AUD_Device* device)
{
assert(device);
try
{
delete device;
}
catch(AUD_Exception e)
{
}
}

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#include "AUD_ChannelMapperFactory.h"
#include "AUD_ChannelMapperReader.h"
#include <cstring>
AUD_ChannelMapperFactory::AUD_ChannelMapperFactory(AUD_IReader* reader,
AUD_Specs specs) :
AUD_MixerFactory(reader, specs)
{
memset(m_mapping, 0, sizeof(m_mapping));
}
AUD_ChannelMapperFactory::AUD_ChannelMapperFactory(AUD_IFactory* factory,
AUD_Specs specs) :
AUD_MixerFactory(factory, specs)
{
memset(m_mapping, 0, sizeof(m_mapping));
}
AUD_ChannelMapperFactory::AUD_ChannelMapperFactory(AUD_Specs specs) :
AUD_MixerFactory(specs)
{
memset(m_mapping, 0, sizeof(m_mapping));
}
AUD_ChannelMapperFactory::~AUD_ChannelMapperFactory()
{
for(int i = 1; i < 10; i++)
deleteMapping(i);
}
float** AUD_ChannelMapperFactory::getMapping(int ic)
{
ic--;
if(ic > 8 || ic < 0)
return 0;
if(m_mapping[ic])
{
int channels = -1;
while(m_mapping[ic][++channels] != 0);
if(channels != m_specs.channels)
deleteMapping(ic+1);
}
if(!m_mapping[ic])
{
int channels = m_specs.channels;
m_mapping[ic] = new float*[channels+1]; AUD_NEW("mapping")
m_mapping[ic][channels] = 0;
for(int i = 0; i < channels; i++)
{
m_mapping[ic][i] = new float[ic+1]; AUD_NEW("mapping")
for(int j = 0; j <= ic; j++)
m_mapping[ic][i][j] = ((i == j) || (channels == 1) ||
(ic == 0)) ? 1.0f : 0.0f;
}
}
return m_mapping[ic];
}
void AUD_ChannelMapperFactory::deleteMapping(int ic)
{
ic--;
if(ic > 8 || ic < 0)
return;
if(m_mapping[ic])
{
for(int i = 0; 1; i++)
{
if(m_mapping[ic][i] != 0)
{
delete[] m_mapping[ic][i]; AUD_DELETE("mapping")
}
else
break;
}
delete[] m_mapping[ic]; AUD_DELETE("mapping")
m_mapping[ic] = 0;
}
}
AUD_IReader* AUD_ChannelMapperFactory::createReader()
{
AUD_IReader* reader = getReader();
if(reader != 0)
{
int ic = reader->getSpecs().channels;
reader = new AUD_ChannelMapperReader(reader, getMapping(ic));
AUD_NEW("reader")
}
return reader;
}

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#ifndef AUD_CHANNELMAPPERFACTORY
#define AUD_CHANNELMAPPERFACTORY
#include "AUD_MixerFactory.h"
/**
* This factory creates a reader that maps a sound source's channels to a
* specific output channel count.
*/
class AUD_ChannelMapperFactory : public AUD_MixerFactory
{
private:
/**
* The mapping specification.
*/
float **m_mapping[9];
public:
AUD_ChannelMapperFactory(AUD_IReader* reader, AUD_Specs specs);
AUD_ChannelMapperFactory(AUD_IFactory* factory, AUD_Specs specs);
AUD_ChannelMapperFactory(AUD_Specs specs);
virtual ~AUD_ChannelMapperFactory();
/**
* Returns the mapping array for editing.
* \param ic The count of input channels the array should have.
* \note The count of output channels is read of the desired output specs.
*/
float** getMapping(int ic);
/**
* Deletes the current channel mapping.
*/
void deleteMapping(int ic);
virtual AUD_IReader* createReader();
};
#endif //AUD_CHANNELMAPPERFACTORY

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#include "AUD_ChannelMapperReader.h"
#include "AUD_Buffer.h"
AUD_ChannelMapperReader::AUD_ChannelMapperReader(AUD_IReader* reader,
float **mapping) :
AUD_EffectReader(reader)
{
m_specs = reader->getSpecs();
if(m_specs.format != AUD_FORMAT_FLOAT32)
{
delete m_reader; AUD_DELETE("reader")
AUD_THROW(AUD_ERROR_READER);
}
int channels = -1;
m_rch = m_specs.channels;
while(mapping[++channels] != 0);
m_mapping = new float*[channels]; AUD_NEW("mapping")
m_specs.channels = (AUD_Channels)channels;
float sum;
int i;
while(channels--)
{
m_mapping[channels] = new float[m_rch]; AUD_NEW("mapping")
sum = 0.0f;
for(i=0; i < m_rch; i++)
sum += mapping[channels][i];
for(i=0; i < m_rch; i++)
m_mapping[channels][i] = sum > 0.0 ? mapping[channels][i]/sum : 0.0;
}
m_buffer = new AUD_Buffer(); AUD_NEW("buffer")
}
AUD_ChannelMapperReader::~AUD_ChannelMapperReader()
{
int channels = m_specs.channels;
while(channels--)
{
delete[] m_mapping[channels]; AUD_DELETE("mapping")
}
delete[] m_mapping; AUD_DELETE("mapping")
delete m_buffer; AUD_DELETE("buffer")
}
AUD_Specs AUD_ChannelMapperReader::getSpecs()
{
return m_specs;
}
void AUD_ChannelMapperReader::read(int & length, sample_t* & buffer)
{
m_reader->read(length, buffer);
int channels = m_specs.channels;
if(m_buffer->getSize() < length * 4 * channels)
m_buffer->resize(length * 4 * channels);
float* in = (float*)buffer;
float* out = (float*)m_buffer->getBuffer();
float sum;
for(int i = 0; i < length; i++)
{
for(int j = 0; j < channels; j++)
{
sum = 0;
for(int k = 0; k < m_rch; k++)
sum += m_mapping[j][k] * in[i * m_rch + k];
out[i * channels + j] = sum;
}
}
buffer = m_buffer->getBuffer();
}

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#ifndef AUD_CHANNELMAPPERREADER
#define AUD_CHANNELMAPPERREADER
#include "AUD_EffectReader.h"
class AUD_Buffer;
/**
* This class maps a sound source's channels to a specific output channel count.
* \note The input sample format must be float.
*/
class AUD_ChannelMapperReader : public AUD_EffectReader
{
private:
/**
* The sound output buffer.
*/
AUD_Buffer *m_buffer;
/**
* The output specification.
*/
AUD_Specs m_specs;
/**
* The channel count of the reader.
*/
int m_rch;
/**
* The mapping specification.
*/
float **m_mapping;
public:
/**
* Creates a channel mapper reader.
* \param reader The reader to map.
* \param mapping The mapping specification as two dimensional float array.
* \exception AUD_Exception Thrown if the reader is NULL.
*/
AUD_ChannelMapperReader(AUD_IReader* reader, float **mapping);
/**
* Destroys the reader.
*/
~AUD_ChannelMapperReader();
virtual AUD_Specs getSpecs();
virtual void read(int & length, sample_t* & buffer);
};
#endif //AUD_CHANNELMAPPERREADER

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#include "AUD_ConverterFactory.h"
#include "AUD_ConverterReader.h"
AUD_ConverterFactory::AUD_ConverterFactory(AUD_IReader* reader,
AUD_Specs specs) :
AUD_MixerFactory(reader, specs) {}
AUD_ConverterFactory::AUD_ConverterFactory(AUD_IFactory* factory,
AUD_Specs specs) :
AUD_MixerFactory(factory, specs) {}
AUD_ConverterFactory::AUD_ConverterFactory(AUD_Specs specs) :
AUD_MixerFactory(specs) {}
AUD_IReader* AUD_ConverterFactory::createReader()
{
AUD_IReader* reader = getReader();
if(reader != 0)
{
if(reader->getSpecs().format != m_specs.format)
{
reader = new AUD_ConverterReader(reader, m_specs);
AUD_NEW("reader")
}
}
return reader;
}

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#ifndef AUD_CONVERTERFACTORY
#define AUD_CONVERTERFACTORY
#include "AUD_MixerFactory.h"
/**
* This factory creates a converter reader that is able to convert from one
* audio format to another.
*/
class AUD_ConverterFactory : public AUD_MixerFactory
{
public:
AUD_ConverterFactory(AUD_IReader* reader, AUD_Specs specs);
AUD_ConverterFactory(AUD_IFactory* factory, AUD_Specs specs);
AUD_ConverterFactory(AUD_Specs specs);
virtual AUD_IReader* createReader();
};
#endif //AUD_CONVERTERFACTORY

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#include "AUD_ConverterFunctions.h"
#include "AUD_Buffer.h"
#define AUD_U8_0 0x80
#define AUD_S16_MAX 0x7FFF
#define AUD_S16_MIN 0x8000
#define AUD_S16_FLT 32768.0
#define AUD_S32_MAX 0x7FFFFFFF
#define AUD_S32_MIN 0x80000000
#define AUD_S32_FLT 2147483648.0
#define AUD_FLT_MAX 1.0
#define AUD_FLT_MIN -1.0
void AUD_convert_u8_s16(sample_t* target, sample_t* source, int length)
{
int16_t* t = (int16_t*) target;
for(int i = 0; i < length; i++)
t[i] = (((int16_t)source[i]) - AUD_U8_0) << 8;
}
void AUD_convert_u8_s24_be(sample_t* target, sample_t* source, int length)
{
for(int i = 0; i < length; i++)
{
target[i*3] = source[i] - AUD_U8_0;
target[i*3+1] = 0;
target[i*3+2] = 0;
}
}
void AUD_convert_u8_s24_le(sample_t* target, sample_t* source, int length)
{
for(int i = 0; i < length; i++)
{
target[i*3+2] = source[i] - AUD_U8_0;
target[i*3+1] = 0;
target[i*3] = 0;
}
}
void AUD_convert_u8_s32(sample_t* target, sample_t* source, int length)
{
int32_t* t = (int32_t*) target;
for(int i = 0; i < length; i++)
t[i] = (((int32_t)source[i]) - AUD_U8_0) << 24;
}
void AUD_convert_u8_float(sample_t* target, sample_t* source, int length)
{
float* t = (float*) target;
for(int i = 0; i < length; i++)
t[i] = (((int32_t)source[i]) - AUD_U8_0) / ((float)AUD_U8_0);
}
void AUD_convert_u8_double(sample_t* target, sample_t* source, int length)
{
double* t = (double*) target;
for(int i = 0; i < length; i++)
t[i] = (((int32_t)source[i]) - AUD_U8_0) / ((double)AUD_U8_0);
}
void AUD_convert_s16_u8(sample_t* target, sample_t* source, int length)
{
int16_t* s = (int16_t*) source;
for(int i = 0; i < length; i++)
target[i] = (unsigned char)((s[i] >> 8) + AUD_U8_0);
}
void AUD_convert_s16_s24_be(sample_t* target, sample_t* source, int length)
{
int16_t* s = (int16_t*) source;
for(int i = 0; i < length; i++)
{
target[i*3] = s[i] >> 8 & 0xFF;
target[i*3+1] = s[i] & 0xFF;
target[i*3+2] = 0;
}
}
void AUD_convert_s16_s24_le(sample_t* target, sample_t* source, int length)
{
int16_t* s = (int16_t*) source;
for(int i = 0; i < length; i++)
{
target[i*3+2] = s[i] >> 8 & 0xFF;
target[i*3+1] = s[i] & 0xFF;
target[i*3] = 0;
}
}
void AUD_convert_s16_s32(sample_t* target, sample_t* source, int length)
{
int16_t* s = (int16_t*) source;
int32_t* t = (int32_t*) target;
for(int i = 0; i < length; i++)
t[i] = ((int32_t)s[i]) << 16;
}
void AUD_convert_s16_float(sample_t* target, sample_t* source, int length)
{
int16_t* s = (int16_t*) source;
float* t = (float*) target;
for(int i = 0; i < length; i++)
t[i] = s[i] / AUD_S16_FLT;
}
void AUD_convert_s16_double(sample_t* target, sample_t* source, int length)
{
int16_t* s = (int16_t*) source;
double* t = (double*) target;
for(int i = 0; i < length; i++)
t[i] = s[i] / AUD_S16_FLT;
}
void AUD_convert_s24_u8_be(sample_t* target, sample_t* source, int length)
{
for(int i = 0; i < length; i++)
target[i] = source[i*3] ^ AUD_U8_0;
}
void AUD_convert_s24_u8_le(sample_t* target, sample_t* source, int length)
{
for(int i = 0; i < length; i++)
target[i] = source[i*3+2] ^ AUD_U8_0;
}
void AUD_convert_s24_s16_be(sample_t* target, sample_t* source, int length)
{
int16_t* t = (int16_t*) target;
for(int i = 0; i < length; i++)
t[i] = source[i*3] << 8 | source[i*3+1];
}
void AUD_convert_s24_s16_le(sample_t* target, sample_t* source, int length)
{
int16_t* t = (int16_t*) target;
for(int i = 0; i < length; i++)
t[i] = source[i*3+2] << 8 | source[i*3+1];
}
void AUD_convert_s24_s24(sample_t* target, sample_t* source, int length)
{
memcpy(target, source, length * 3);
}
void AUD_convert_s24_s32_be(sample_t* target, sample_t* source, int length)
{
int32_t* t = (int32_t*) target;
for(int i = 0; i < length; i++)
t[i] = source[i*3] << 24 | source[i*3+1] << 16 | source[i*3+2] << 8;
}
void AUD_convert_s24_s32_le(sample_t* target, sample_t* source, int length)
{
int32_t* t = (int32_t*) target;
for(int i = 0; i < length; i++)
t[i] = source[i*3+2] << 24 | source[i*3+1] << 16 | source[i*3] << 8;
}
void AUD_convert_s24_float_be(sample_t* target, sample_t* source, int length)
{
float* t = (float*) target;
int32_t s;
for(int i = 0; i < length; i++)
{
s = source[i*3] << 24 | source[i*3+1] << 16 | source[i*3+2] << 8;
t[i] = s / AUD_S32_FLT;
}
}
void AUD_convert_s24_float_le(sample_t* target, sample_t* source, int length)
{
float* t = (float*) target;
int32_t s;
for(int i = 0; i < length; i++)
{
s = source[i*3+2] << 24 | source[i*3+1] << 16 | source[i*3] << 8;
t[i] = s / AUD_S32_FLT;
}
}
void AUD_convert_s24_double_be(sample_t* target, sample_t* source, int length)
{
double* t = (double*) target;
int32_t s;
for(int i = 0; i < length; i++)
{
s = source[i*3] << 24 | source[i*3+1] << 16 | source[i*3+2] << 8;
t[i] = s / AUD_S32_FLT;
}
}
void AUD_convert_s24_double_le(sample_t* target, sample_t* source, int length)
{
double* t = (double*) target;
int32_t s;
for(int i = 0; i < length; i++)
{
s = source[i*3+2] << 24 | source[i*3+1] << 16 | source[i*3] << 8;
t[i] = s / AUD_S32_FLT;
}
}
void AUD_convert_s32_u8(sample_t* target, sample_t* source, int length)
{
int16_t* s = (int16_t*) source;
for(int i = 0; i < length; i++)
target[i] = (unsigned char)((s[i] >> 24) + AUD_U8_0);
}
void AUD_convert_s32_s16(sample_t* target, sample_t* source, int length)
{
int16_t* t = (int16_t*) target;
int32_t* s = (int32_t*) source;
for(int i = 0; i < length; i++)
t[i] = s[i] >> 16;
}
void AUD_convert_s32_s24_be(sample_t* target, sample_t* source, int length)
{
int32_t* s = (int32_t*) source;
for(int i = 0; i < length; i++)
{
target[i*3] = s[i] >> 24 & 0xFF;
target[i*3+1] = s[i] >> 16 & 0xFF;
target[i*3+2] = s[i] >> 8 & 0xFF;
}
}
void AUD_convert_s32_s24_le(sample_t* target, sample_t* source, int length)
{
int16_t* s = (int16_t*) source;
for(int i = 0; i < length; i++)
{
target[i*3+2] = s[i] >> 24 & 0xFF;
target[i*3+1] = s[i] >> 16 & 0xFF;
target[i*3] = s[i] >> 8 & 0xFF;
}
}
void AUD_convert_s32_float(sample_t* target, sample_t* source, int length)
{
int32_t* s = (int32_t*) source;
float* t = (float*) target;
for(int i = 0; i < length; i++)
t[i] = s[i] / AUD_S32_FLT;
}
void AUD_convert_s32_double(sample_t* target, sample_t* source, int length)
{
int32_t* s = (int32_t*) source;
double* t = (double*) target;
for(int i = 0; i < length; i++)
t[i] = s[i] / AUD_S32_FLT;
}
void AUD_convert_float_u8(sample_t* target, sample_t* source, int length)
{
float* s = (float*) source;
float t;
for(int i = 0; i < length; i++)
{
t = s[i] + AUD_FLT_MAX;
if(t <= 0.0f)
target[i] = 0;
else if(t >= 2.0f)
target[i] = 255;
else
target[i] = (unsigned char)(t*127);
}
}
void AUD_convert_float_s16(sample_t* target, sample_t* source, int length)
{
int16_t* t = (int16_t*) target;
float* s = (float*) source;
for(int i = 0; i < length; i++)
{
if(s[i] <= AUD_FLT_MIN)
t[i] = AUD_S16_MIN;
else if(s[i] >= AUD_FLT_MAX)
t[i] = AUD_S16_MAX;
else
t[i] = (int16_t)(s[i] * AUD_S16_MAX);
}
}
void AUD_convert_float_s24_be(sample_t* target, sample_t* source, int length)
{
int32_t t;
float* s = (float*) source;
for(int i = 0; i < length; i++)
{
if(s[i] <= AUD_FLT_MIN)
t = AUD_S32_MIN;
else if(s[i] >= AUD_FLT_MAX)
t = AUD_S32_MAX;
else
t = (int32_t)(s[i]*AUD_S32_MAX);
target[i*3] = t >> 24 & 0xFF;
target[i*3+1] = t >> 16 & 0xFF;
target[i*3+2] = t >> 8 & 0xFF;
}
}
void AUD_convert_float_s24_le(sample_t* target, sample_t* source, int length)
{
int32_t t;
float* s = (float*) source;
for(int i = 0; i < length; i++)
{
if(s[i] <= AUD_FLT_MIN)
t = AUD_S32_MIN;
else if(s[i] >= AUD_FLT_MAX)
t = AUD_S32_MAX;
else
t = (int32_t)(s[i]*AUD_S32_MAX);
target[i*3+2] = t >> 24 & 0xFF;
target[i*3+1] = t >> 16 & 0xFF;
target[i*3] = t >> 8 & 0xFF;
}
}
void AUD_convert_float_s32(sample_t* target, sample_t* source, int length)
{
int32_t* t = (int32_t*) target;
float* s = (float*) source;
for(int i = 0; i < length; i++)
{
if(s[i] <= AUD_FLT_MIN)
t[i] = AUD_S32_MIN;
else if(s[i] >= AUD_FLT_MAX)
t[i] = AUD_S32_MAX;
else
t[i] = (int32_t)(s[i]*AUD_S32_MAX);
}
}
void AUD_convert_float_double(sample_t* target, sample_t* source, int length)
{
float* s = (float*) source;
double* t = (double*) target;
for(int i = 0; i < length; i++)
t[i] = s[i];
}
void AUD_convert_double_u8(sample_t* target, sample_t* source, int length)
{
double* s = (double*) source;
double t;
for(int i = 0; i < length; i++)
{
t = s[i] + AUD_FLT_MAX;
if(t <= 0.0)
target[i] = 0;
else if(t >= 2.0)
target[i] = 255;
else
target[i] = (unsigned char)(t*127);
}
}
void AUD_convert_double_s16(sample_t* target, sample_t* source, int length)
{
int16_t* t = (int16_t*) target;
double* s = (double*) source;
for(int i = 0; i < length; i++)
{
if(s[i] <= AUD_FLT_MIN)
t[i] = AUD_S16_MIN;
else if(s[i] >= AUD_FLT_MAX)
t[i] = AUD_S16_MAX;
else
t[i] = (int16_t)(s[i]*AUD_S16_MAX);
}
}
void AUD_convert_double_s24_be(sample_t* target, sample_t* source, int length)
{
int32_t t;
double* s = (double*) source;
for(int i = 0; i < length; i++)
{
if(s[i] <= AUD_FLT_MIN)
t = AUD_S32_MIN;
else if(s[i] >= AUD_FLT_MAX)
t = AUD_S32_MAX;
else
t = (int32_t)(s[i]*AUD_S32_MAX);
target[i*3] = t >> 24 & 0xFF;
target[i*3+1] = t >> 16 & 0xFF;
target[i*3+2] = t >> 8 & 0xFF;
}
}
void AUD_convert_double_s24_le(sample_t* target, sample_t* source, int length)
{
int32_t t;
double* s = (double*) source;
for(int i = 0; i < length; i++)
{
if(s[i] <= AUD_FLT_MIN)
t = AUD_S32_MIN;
else if(s[i] >= AUD_FLT_MAX)
t = AUD_S32_MAX;
else
t = (int32_t)(s[i]*AUD_S32_MAX);
target[i*3+2] = t >> 24 & 0xFF;
target[i*3+1] = t >> 16 & 0xFF;
target[i*3] = t >> 8 & 0xFF;
}
}
void AUD_convert_double_s32(sample_t* target, sample_t* source, int length)
{
int32_t* t = (int32_t*) target;
double* s = (double*) source;
for(int i = 0; i < length; i++)
{
if(s[i] <= AUD_FLT_MIN)
t[i] = AUD_S32_MIN;
else if(s[i] >= AUD_FLT_MAX)
t[i] = AUD_S32_MAX;
else
t[i] = (int32_t)(s[i]*AUD_S32_MAX);
}
}
void AUD_convert_double_float(sample_t* target, sample_t* source, int length)
{
double* s = (double*) source;
float* t = (float*) target;
for(int i = 0; i < length; i++)
t[i] = s[i];
}
void AUD_volume_adjust_u8(sample_t* target, sample_t* source,
int count, float volume)
{
for(int i=0; i<count; i++)
target[i] = (unsigned char)((source[i]-0x0080) * volume + 0x80);
}
void AUD_volume_adjust_s24_le(sample_t* target, sample_t* source,
int count, float volume)
{
count *= 3;
int value;
for(int i=0; i<count; i+=3)
{
value = source[i+2] << 16 | source[i+1] << 8 | source[i];
value |= (((value & 0x800000) >> 23) * 255) << 24;
value *= volume;
target[i+2] = value >> 16;
target[i+1] = value >> 8;
target[i] = value;
}
}
void AUD_volume_adjust_s24_be(sample_t* target, sample_t* source,
int count, float volume)
{
count *= 3;
int value;
for(int i=0; i < count; i+=3)
{
value = source[i] << 16 | source[i+1] << 8 | source[i+2];
value |= (((value & 0x800000) >> 23) * 255) << 24;
value *= volume;
target[i] = value >> 16;
target[i+1] = value >> 8;
target[i+2] = value;
}
}

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#ifndef AUD_CONVERTERFUNCTIONS
#define AUD_CONVERTERFUNCTIONS
#include "AUD_Space.h"
#include <cstring>
#ifdef _MSC_VER
#if (_MSC_VER < 1300)
typedef short int16_t;
typedef int int32_t;
#else
typedef __int16 int16_t;
typedef __int32 int32_t;
#endif
#else
#include <stdint.h>
#endif
typedef void (*AUD_convert_f)(sample_t* target, sample_t* source, int length);
typedef void (*AUD_volume_adjust_f)(sample_t* target, sample_t* source,
int count, float volume);
template <class T>
void AUD_convert_copy(sample_t* target, sample_t* source, int length)
{
memcpy(target, source, length*sizeof(T));
}
void AUD_convert_u8_s16(sample_t* target, sample_t* source, int length);
void AUD_convert_u8_s24_be(sample_t* target, sample_t* source, int length);
void AUD_convert_u8_s24_le(sample_t* target, sample_t* source, int length);
void AUD_convert_u8_s32(sample_t* target, sample_t* source, int length);
void AUD_convert_u8_float(sample_t* target, sample_t* source, int length);
void AUD_convert_u8_double(sample_t* target, sample_t* source, int length);
void AUD_convert_s16_u8(sample_t* target, sample_t* source, int length);
void AUD_convert_s16_s24_be(sample_t* target, sample_t* source, int length);
void AUD_convert_s16_s24_le(sample_t* target, sample_t* source, int length);
void AUD_convert_s16_s32(sample_t* target, sample_t* source, int length);
void AUD_convert_s16_float(sample_t* target, sample_t* source, int length);
void AUD_convert_s16_double(sample_t* target, sample_t* source, int length);
void AUD_convert_s24_u8_be(sample_t* target, sample_t* source, int length);
void AUD_convert_s24_u8_le(sample_t* target, sample_t* source, int length);
void AUD_convert_s24_s16_be(sample_t* target, sample_t* source, int length);
void AUD_convert_s24_s16_le(sample_t* target, sample_t* source, int length);
void AUD_convert_s24_s24(sample_t* target, sample_t* source, int length);
void AUD_convert_s24_s32_be(sample_t* target, sample_t* source, int length);
void AUD_convert_s24_s32_le(sample_t* target, sample_t* source, int length);
void AUD_convert_s24_float_be(sample_t* target, sample_t* source, int length);
void AUD_convert_s24_float_le(sample_t* target, sample_t* source, int length);
void AUD_convert_s24_double_be(sample_t* target, sample_t* source, int length);
void AUD_convert_s24_double_le(sample_t* target, sample_t* source, int length);
void AUD_convert_s32_u8(sample_t* target, sample_t* source, int length);
void AUD_convert_s32_s16(sample_t* target, sample_t* source, int length);
void AUD_convert_s32_s24_be(sample_t* target, sample_t* source, int length);
void AUD_convert_s32_s24_le(sample_t* target, sample_t* source, int length);
void AUD_convert_s32_float(sample_t* target, sample_t* source, int length);
void AUD_convert_s32_double(sample_t* target, sample_t* source, int length);
void AUD_convert_float_u8(sample_t* target, sample_t* source, int length);
void AUD_convert_float_s16(sample_t* target, sample_t* source, int length);
void AUD_convert_float_s24_be(sample_t* target, sample_t* source, int length);
void AUD_convert_float_s24_le(sample_t* target, sample_t* source, int length);
void AUD_convert_float_s32(sample_t* target, sample_t* source, int length);
void AUD_convert_float_double(sample_t* target, sample_t* source, int length);
void AUD_convert_double_u8(sample_t* target, sample_t* source, int length);
void AUD_convert_double_s16(sample_t* target, sample_t* source, int length);
void AUD_convert_double_s24_be(sample_t* target, sample_t* source, int length);
void AUD_convert_double_s24_le(sample_t* target, sample_t* source, int length);
void AUD_convert_double_s32(sample_t* target, sample_t* source, int length);
void AUD_convert_double_float(sample_t* target, sample_t* source, int length);
template <class T>
void AUD_volume_adjust(sample_t* target, sample_t* source,
int count, float volume)
{
T* t = (T*)target;
T* s = (T*)source;
for(int i=0; i < count; i++)
t[i] = (T)(s[i] * volume);
}
void AUD_volume_adjust_u8(sample_t* target, sample_t* source,
int count, float volume);
void AUD_volume_adjust_s24_le(sample_t* target, sample_t* source,
int count, float volume);
void AUD_volume_adjust_s24_be(sample_t* target, sample_t* source,
int count, float volume);
#endif //AUD_CONVERTERFUNCTIONS

244
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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#include "AUD_ConverterReader.h"
#include "AUD_Buffer.h"
AUD_ConverterReader::AUD_ConverterReader(AUD_IReader* reader, AUD_Specs specs) :
AUD_EffectReader(reader)
{
m_specs = reader->getSpecs();
int bigendian = 1;
bigendian = (((char*)&bigendian)[0]) ? 0: 1; // 1 if Big Endian
switch(m_specs.format)
{
case AUD_FORMAT_U8:
switch(specs.format)
{
case AUD_FORMAT_U8:
m_convert = AUD_convert_copy<unsigned char>;
break;
case AUD_FORMAT_S16:
m_convert = AUD_convert_u8_s16;
break;
case AUD_FORMAT_S24:
if(bigendian)
m_convert = AUD_convert_u8_s24_be;
else
m_convert = AUD_convert_u8_s24_le;
break;
case AUD_FORMAT_S32:
m_convert = AUD_convert_u8_s32;
break;
case AUD_FORMAT_FLOAT32:
m_convert = AUD_convert_u8_float;
break;
case AUD_FORMAT_FLOAT64:
m_convert = AUD_convert_u8_double;
break;
}
break;
case AUD_FORMAT_S16:
switch(specs.format)
{
case AUD_FORMAT_U8:
m_convert = AUD_convert_s16_u8;
break;
case AUD_FORMAT_S16:
m_convert = AUD_convert_copy<int16_t>;
break;
case AUD_FORMAT_S24:
if(bigendian)
m_convert = AUD_convert_s16_s24_be;
else
m_convert = AUD_convert_s16_s24_le;
break;
case AUD_FORMAT_S32:
m_convert = AUD_convert_s16_s32;
break;
case AUD_FORMAT_FLOAT32:
m_convert = AUD_convert_s16_float;
break;
case AUD_FORMAT_FLOAT64:
m_convert = AUD_convert_s16_double;
break;
}
break;
case AUD_FORMAT_S24:
if(bigendian)
switch(specs.format)
{
case AUD_FORMAT_U8:
m_convert = AUD_convert_u8_s24_be;
break;
case AUD_FORMAT_S16:
m_convert = AUD_convert_s16_s24_be;
break;
case AUD_FORMAT_S24:
m_convert = AUD_convert_s24_s24;
break;
case AUD_FORMAT_S32:
m_convert = AUD_convert_s32_s24_be;
break;
case AUD_FORMAT_FLOAT32:
m_convert = AUD_convert_float_s24_be;
break;
case AUD_FORMAT_FLOAT64:
m_convert = AUD_convert_double_s24_be;
break;
}
else
switch(specs.format)
{
case AUD_FORMAT_U8:
m_convert = AUD_convert_u8_s24_le;
break;
case AUD_FORMAT_S16:
m_convert = AUD_convert_s16_s24_le;
break;
case AUD_FORMAT_S24:
m_convert = AUD_convert_s24_s24;
break;
case AUD_FORMAT_S32:
m_convert = AUD_convert_s32_s24_le;
break;
case AUD_FORMAT_FLOAT32:
m_convert = AUD_convert_float_s24_le;
break;
case AUD_FORMAT_FLOAT64:
m_convert = AUD_convert_double_s24_le;
break;
}
break;
case AUD_FORMAT_S32:
switch(specs.format)
{
case AUD_FORMAT_U8:
m_convert = AUD_convert_s32_u8;
break;
case AUD_FORMAT_S16:
m_convert = AUD_convert_s32_s16;
break;
case AUD_FORMAT_S24:
if(bigendian)
m_convert = AUD_convert_s32_s24_be;
else
m_convert = AUD_convert_s32_s24_le;
break;
case AUD_FORMAT_S32:
m_convert = AUD_convert_copy<int32_t>;
break;
case AUD_FORMAT_FLOAT32:
m_convert = AUD_convert_s32_float;
break;
case AUD_FORMAT_FLOAT64:
m_convert = AUD_convert_s32_double;
break;
}
break;
case AUD_FORMAT_FLOAT32:
switch(specs.format)
{
case AUD_FORMAT_U8:
m_convert = AUD_convert_float_u8;
break;
case AUD_FORMAT_S16:
m_convert = AUD_convert_float_s16;
break;
case AUD_FORMAT_S24:
if(bigendian)
m_convert = AUD_convert_float_s24_be;
else
m_convert = AUD_convert_float_s24_le;
break;
case AUD_FORMAT_S32:
m_convert = AUD_convert_float_s32;
break;
case AUD_FORMAT_FLOAT32:
m_convert = AUD_convert_copy<float>;
break;
case AUD_FORMAT_FLOAT64:
m_convert = AUD_convert_float_double;
break;
}
break;
case AUD_FORMAT_FLOAT64:
switch(specs.format)
{
case AUD_FORMAT_U8:
m_convert = AUD_convert_double_u8;
break;
case AUD_FORMAT_S16:
m_convert = AUD_convert_double_s16;
break;
case AUD_FORMAT_S24:
if(bigendian)
m_convert = AUD_convert_double_s24_be;
else
m_convert = AUD_convert_double_s24_le;
break;
case AUD_FORMAT_S32:
m_convert = AUD_convert_double_s32;
break;
case AUD_FORMAT_FLOAT32:
m_convert = AUD_convert_double_float;
break;
case AUD_FORMAT_FLOAT64:
m_convert = AUD_convert_copy<double>;
break;
}
break;
}
m_specs.format = specs.format;
m_buffer = new AUD_Buffer(); AUD_NEW("buffer")
}
AUD_ConverterReader::~AUD_ConverterReader()
{
delete m_buffer; AUD_DELETE("buffer")
}
AUD_Specs AUD_ConverterReader::getSpecs()
{
return m_specs;
}
void AUD_ConverterReader::read(int & length, sample_t* & buffer)
{
m_reader->read(length, buffer);
int samplesize = AUD_SAMPLE_SIZE(m_specs);
if(m_buffer->getSize() < length*samplesize)
m_buffer->resize(length*samplesize);
m_convert(m_buffer->getBuffer(), buffer, length*m_specs.channels);
buffer = m_buffer->getBuffer();
}

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#ifndef AUD_CONVERTERREADER
#define AUD_CONVERTERREADER
#include "AUD_EffectReader.h"
#include "AUD_ConverterFunctions.h"
class AUD_Buffer;
/**
* This class converts a sound source from one to another format.
*/
class AUD_ConverterReader : public AUD_EffectReader
{
private:
/**
* The sound output buffer.
*/
AUD_Buffer *m_buffer;
/**
* The target specification.
*/
AUD_Specs m_specs;
/**
* Converter function.
*/
AUD_convert_f m_convert;
public:
/**
* Creates a converter reader.
* \param reader The reader to convert.
* \param specs The target specification.
* \exception AUD_Exception Thrown if the reader is NULL.
*/
AUD_ConverterReader(AUD_IReader* reader, AUD_Specs specs);
/**
* Destroys the reader.
*/
~AUD_ConverterReader();
virtual AUD_Specs getSpecs();
virtual void read(int & length, sample_t* & buffer);
};
#endif //AUD_CONVERTERREADER

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#include "AUD_FloatMixer.h"
#include "AUD_ConverterFactory.h"
#include "AUD_SRCResampleFactory.h"
#include "AUD_ChannelMapperFactory.h"
#include "AUD_IReader.h"
#include "AUD_Buffer.h"
#include <cstring>
AUD_FloatMixer::AUD_FloatMixer()
{
m_buffer = new AUD_Buffer(); AUD_NEW("buffer")
m_converter = NULL;
m_resampler = NULL;
m_mapper = NULL;
}
AUD_FloatMixer::~AUD_FloatMixer()
{
delete m_buffer; AUD_DELETE("buffer")
if(m_converter)
{
delete m_converter; AUD_DELETE("factory")
}
if(m_resampler)
{
delete m_resampler; AUD_DELETE("factory")
}
if(m_mapper)
{
delete m_mapper; AUD_DELETE("factory")
}
}
AUD_IReader* AUD_FloatMixer::prepare(AUD_IReader* reader)
{
m_converter->setReader(reader);
reader = m_converter->createReader();
m_resampler->setReader(reader);
reader = m_resampler->createReader();
if(reader->getSpecs().channels != m_specs.channels)
{
m_mapper->setReader(reader);
reader = m_mapper->createReader();
}
return reader;
}
void AUD_FloatMixer::setSpecs(AUD_Specs specs)
{
m_specs = specs;
if(m_converter)
{
delete m_converter; AUD_DELETE("factory")
}
if(m_resampler)
{
delete m_resampler; AUD_DELETE("factory")
}
if(m_mapper)
{
delete m_mapper; AUD_DELETE("factory")
}
specs.format = AUD_FORMAT_FLOAT32;
m_converter = new AUD_ConverterFactory(specs); AUD_NEW("factory")
m_resampler = new AUD_SRCResampleFactory(specs); AUD_NEW("factory")
m_mapper = new AUD_ChannelMapperFactory(specs); AUD_NEW("factory")
int bigendian = 1;
bigendian = (((char*)&bigendian)[0]) ? 0: 1; // 1 if Big Endian
switch(m_specs.format)
{
case AUD_FORMAT_U8:
m_convert = AUD_convert_float_u8;
break;
case AUD_FORMAT_S16:
m_convert = AUD_convert_float_s16;
break;
case AUD_FORMAT_S24:
if(bigendian)
m_convert = AUD_convert_float_s24_be;
else
m_convert = AUD_convert_float_s24_le;
break;
case AUD_FORMAT_S32:
m_convert = AUD_convert_float_s32;
break;
case AUD_FORMAT_FLOAT32:
m_convert = AUD_convert_copy<float>;
break;
case AUD_FORMAT_FLOAT64:
m_convert = AUD_convert_float_double;
break;
}
}
void AUD_FloatMixer::add(sample_t* buffer, AUD_Specs specs, int length,
float volume)
{
AUD_FloatMixerBuffer buf;
buf.buffer = buffer;
buf.length = length;
buf.volume = volume;
m_buffers.push_back(buf);
}
void AUD_FloatMixer::superpose(sample_t* buffer, int length, float volume)
{
AUD_FloatMixerBuffer buf;
int channels = m_specs.channels;
if(m_buffer->getSize() < length * channels * 4)
m_buffer->resize(length * channels * 4);
float* out = (float*)m_buffer->getBuffer();
float* in;
memset(out, 0, length * channels * 4);
int end;
while(!m_buffers.empty())
{
buf = m_buffers.front();
m_buffers.pop_front();
end = buf.length*channels;
in = (float*) buf.buffer;
for(int i = 0; i < end; i++)
out[i] += in[i]*buf.volume * volume;
}
m_convert(buffer, (sample_t*) out, length * channels);
}

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#ifndef AUD_FLOATMIXER
#define AUD_FLOATMIXER
#include "AUD_IMixer.h"
#include "AUD_ConverterFunctions.h"
class AUD_ConverterFactory;
class AUD_SRCResampleFactory;
class AUD_ChannelMapperFactory;
class AUD_Buffer;
#include <list>
struct AUD_FloatMixerBuffer
{
sample_t* buffer;
int length;
float volume;
};
/**
* This class is able to mix two audiosignals with floats.
*/
class AUD_FloatMixer : public AUD_IMixer
{
private:
/**
* The converter factory that converts all readers for superposition.
*/
AUD_ConverterFactory* m_converter;
/**
* The resampling factory that resamples all readers for superposition.
*/
AUD_SRCResampleFactory* m_resampler;
/**
* The channel mapper factory that maps all readers for superposition.
*/
AUD_ChannelMapperFactory* m_mapper;
/**
* The list of buffers to superpose.
*/
std::list<AUD_FloatMixerBuffer> m_buffers;
/**
* The output specification.
*/
AUD_Specs m_specs;
/**
* The temporary mixing buffer.
*/
AUD_Buffer* m_buffer;
/**
* Converter function.
*/
AUD_convert_f m_convert;
public:
/**
* Creates the mixer.
*/
AUD_FloatMixer();
virtual ~AUD_FloatMixer();
virtual AUD_IReader* prepare(AUD_IReader* reader);
virtual void setSpecs(AUD_Specs specs);
virtual void add(sample_t* buffer, AUD_Specs specs, int length,
float volume);
virtual void superpose(sample_t* buffer, int length, float volume);
};
#endif //AUD_FLOATMIXER

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#ifndef AUD_I3DDEVICE
#define AUD_I3DDEVICE
#include "AUD_Space.h"
/**
* This class represents an output device for 3D sound.
* Whether a normal device supports this or not can be checked with the
* AUD_CAPS_3D_DEVICE capability.
*/
class AUD_I3DDevice
{
public:
/**
* Plays a 3D sound source.
* \param factory The factory to create the reader for the sound source.
* \param keep When keep is true the sound source will not be deleted but
* set to paused when its end has been reached.
* \return Returns a handle with which the playback can be controlled.
* This is NULL if the sound couldn't be played back.
* \exception AUD_Exception Thrown if there's an unexpected (from the
* device side) error during creation of the reader.
* \note The factory must provide a mono (single channel) source otherwise
* the sound is played back normally.
*/
virtual AUD_Handle* play3D(AUD_IFactory* factory, bool keep = false)=0;
/**
* Updates a listeners 3D data.
* \param data The 3D data.
* \return Whether the action succeeded.
*/
virtual bool updateListener(AUD_3DData &data)=0;
/**
* Sets a 3D device setting.
* \param setting The setting type.
* \param value The new setting value.
* \return Whether the action succeeded.
*/
virtual bool setSetting(AUD_3DSetting setting, float value)=0;
/**
* Retrieves a 3D device setting.
* \param setting The setting type.
* \return The setting value.
*/
virtual float getSetting(AUD_3DSetting setting)=0;
/**
* Updates a listeners 3D data.
* \param handle The source handle.
* \param data The 3D data.
* \return Whether the action succeeded.
*/
virtual bool updateSource(AUD_Handle* handle, AUD_3DData &data)=0;
/**
* Sets a 3D source setting.
* \param handle The source handle.
* \param setting The setting type.
* \param value The new setting value.
* \return Whether the action succeeded.
*/
virtual bool setSourceSetting(AUD_Handle* handle,
AUD_3DSourceSetting setting, float value)=0;
/**
* Retrieves a 3D source setting.
* \param handle The source handle.
* \param setting The setting type.
* \return The setting value.
*/
virtual float getSourceSetting(AUD_Handle* handle,
AUD_3DSourceSetting setting)=0;
};
#endif //AUD_I3DDEVICE

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#ifndef AUD_IDEVICE
#define AUD_IDEVICE
#include "AUD_Space.h"
class AUD_IFactory;
/// Handle structure, for inherition.
typedef struct
{
} AUD_Handle;
/**
* This class represents an output device for sound sources.
* Output devices may be several backends such as plattform independand like
* SDL or OpenAL or plattform specific like DirectSound, but they may also be
* files, RAM buffers or other types of streams.
* \warning Thread safety must be insured so that no reader is beeing called
* twice at the same time.
*/
class AUD_IDevice
{
public:
/**
* Destroys the device.
*/
virtual ~AUD_IDevice() {}
/**
* Returns the specification of the device.
*/
virtual AUD_Specs getSpecs()=0;
/**
* Plays a sound source.
* \param factory The factory to create the reader for the sound source.
* \param keep When keep is true the sound source will not be deleted but
* set to paused when its end has been reached.
* \return Returns a handle with which the playback can be controlled.
* This is NULL if the sound couldn't be played back.
* \exception AUD_Exception Thrown if there's an unexpected (from the
* device side) error during creation of the reader.
*/
virtual AUD_Handle* play(AUD_IFactory* factory, bool keep = false)=0;
/**
* Pauses a played back sound.
* \param handle The handle returned by the play function.
* \return
* - true if the sound has been paused.
* - false if the sound isn't playing back or the handle is invalid.
*/
virtual bool pause(AUD_Handle* handle)=0;
/**
* Resumes a paused sound.
* \param handle The handle returned by the play function.
* \return
* - true if the sound has been resumed.
* - false if the sound isn't paused or the handle is invalid.
*/
virtual bool resume(AUD_Handle* handle)=0;
/**
* Stops a played back or paused sound. The handle is definitely invalid
* afterwards.
* \param handle The handle returned by the play function.
* \return
* - true if the sound has been stopped.
* - false if the handle is invalid.
*/
virtual bool stop(AUD_Handle* handle)=0;
/**
* Sets the behaviour of the device for a played back sound when the sound
* doesn't return any more samples.
* \param handle The handle returned by the play function.
* \param keep True when the source should be paused and not deleted.
* \return
* - true if the behaviour has been changed.
* - false if the handle is invalid.
*/
virtual bool setKeep(AUD_Handle* handle, bool keep)=0;
/**
* Sends a message to a sound or all sounds that are currently played or
* paused.
* \param handle The sound that should receive the message or NULL if all
* sounds should receive it.
* \param message The message.
* \return True if the message has been read by at least one sound.
*/
virtual bool sendMessage(AUD_Handle* handle, AUD_Message &message)=0;
/**
* Seeks in a played back sound.
* \param handle The handle returned by the play function.
* \param position The new position from where to play back, in seconds.
* \return
* - true if the handle is valid.
* - false if the handle is invalid.
* \warning Whether the seek works or not depends on the sound source.
*/
virtual bool seek(AUD_Handle* handle, float position)=0;
/**
* Retrieves the current playback position of a sound.
* \param handle The handle returned by the play function.
* \return The playback position in seconds, or 0.0 if the handle is
* invalid.
*/
virtual float getPosition(AUD_Handle* handle)=0;
/**
* Returns the status of a played back sound.
* \param handle The handle returned by the play function.
* \return
* - AUD_STATUS_INVALID if the sound has stopped or the handle is
*. invalid
* - AUD_STATUS_PLAYING if the sound is currently played back.
* - AUD_STATUS_PAUSED if the sound is currently paused.
* \see AUD_Status
*/
virtual AUD_Status getStatus(AUD_Handle* handle)=0;
/**
* Locks the device.
* Used to make sure that between lock and unlock, no buffers are read, so
* that it is possible to start, resume, pause, stop or seek several
* playback handles simultaneously.
* \warning Make sure the locking time is as small as possible to avoid
* playback delays that result in unexpected noise and cracks.
*/
virtual void lock()=0;
/**
* Unlocks the previously locked device.
*/
virtual void unlock()=0;
/**
* Checks if a specific capability as available on a device.
* \param capability The capability.
* \return Whether it is available or not.
*/
virtual bool checkCapability(int capability)=0;
/**
* Set a value of a capability. The data behind the pointer depends on the
* capability.
* \param capability The capability.
* \param value The value.
* \return Whether the action succeeded or not.
*/
virtual bool setCapability(int capability, void *value)=0;
/**
* Retrieves a value of a capability. The data behind the pointer depends on
* the capability.
* \param capability The capability.
* \param value The value.
* \return Whether the action succeeded or not.
*/
virtual bool getCapability(int capability, void *value)=0;
};
#endif //AUD_IDevice

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#ifndef AUD_IFACTORY
#define AUD_IFACTORY
#include "AUD_Space.h"
class AUD_IReader;
/**
* This class represents a type of sound source and saves the necessary values
* for it. It is able to create a reader that is actually usable for playback
* of the respective sound source through the factory method createReader.
*/
class AUD_IFactory
{
public:
/**
* Destroys the factory.
*/
virtual ~AUD_IFactory(){}
/**
* Creates a reader for playback of the sound source.
* \return A pointer to an AUD_IReader object or NULL if there has been an
* error.
* \exception AUD_Exception An exception may be thrown if there has been
* a more unexpected error during reader creation.
*/
virtual AUD_IReader* createReader()=0;
};
#endif //AUD_IFACTORY

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#ifndef AUD_IMIXER
#define AUD_IMIXER
#include "AUD_Space.h"
class AUD_IReader;
/**
* This class is able to mix audiosignals of different format and channel count.
* \note This class doesn't do resampling!
*/
class AUD_IMixer
{
public:
/**
* Destroys the mixer.
*/
virtual ~AUD_IMixer(){}
/**
* This funuction prepares a reader for playback.
* \param reader The reader to prepare.
* \return The reader that should be used for playback.
*/
virtual AUD_IReader* prepare(AUD_IReader* reader)=0;
/**
* Sets the target specification for superposing.
* \param specs The target specification.
*/
virtual void setSpecs(AUD_Specs specs)=0;
/**
* Adds a buffer for superposition.
* \param buffer The buffer to superpose.
* \param specs The specification of the buffer.
* \param start The start sample of the buffer.
* \param length The length of the buffer in samples.
* \param volume The mixing volume. Must be a value between 0.0 and 1.0.
*/
virtual void add(sample_t* buffer, AUD_Specs specs, int length,
float volume)=0;
/**
* Superposes all added buffers into an output buffer.
* \param buffer The target buffer for superposing.
* \param length The length of the buffer in samples.
* \param volume The mixing volume. Must be a value between 0.0 and 1.0.
*/
virtual void superpose(sample_t* buffer, int length, float volume)=0;
};
#endif //AUD_IMIXER

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#ifndef AUD_IREADER
#define AUD_IREADER
#include "AUD_Space.h"
/**
* This class represents a sound source as stream or as buffer which can be read
* for example by another reader, a device or whatever.
*/
class AUD_IReader
{
public:
/**
* Destroys the reader.
*/
virtual ~AUD_IReader(){}
/**
* Tells whether the source provides seeking functionality or not.
* \warning This doesn't mean that the seeking always has to succeed.
* \return Always returns true for readers of the buffer type.
* \see getType
*/
virtual bool isSeekable()=0;
/**
* Seeks to a specific position in the source.
* This function must work for buffer type readers.
* \param position The position to seek for measured in samples. To get
* from a given time to the samples you simply have to multiply the
* time value in seconds with the sample rate of the reader.
* \warning This may work or not, depending on the actual reader.
* \see getType
*/
virtual void seek(int position)=0;
/**
* Returns an aproximated length of the source in samples.
* For readers of the type buffer this has to return a correct value!
* \return The length as sample count. May be negative if unknown.
* \see getType
*/
virtual int getLength()=0;
/**
* Returns the position of the source as a sample count value.
* \return The current position in the source. A negative value indicates
* that the position is unknown.
* \warning The value returned doesn't always have to be correct for readers
* of the stream type, especially after seeking, it must though for
* the buffer ones.
* \see getType
*/
virtual int getPosition()=0;
/**
* Returns the specification of the reader.
* \return The AUD_Specs structure.
*/
virtual AUD_Specs getSpecs()=0;
/**
* Returns the type of the reader. There are special conditions for the
* readers of the buffer type. Those have to return correct position and
* length values as well as they must be seekable.
* \return AUD_TYPE_BUFFER or AUD_TYPE_STREAM.
*/
virtual AUD_ReaderType getType()=0;
/**
* Sends a message to this reader and if it has subreaders it broadcasts
* the message to them.
* \param message The message.
* \return Whether the message has been read by the reader or one of his
* subreaders.
*/
virtual bool notify(AUD_Message &message)=0;
/**
* Request to read the next length samples out of the source.
* The buffer for reading has to stay valid until the next call of this
* method or until the reader is deleted.
* \param[in,out] length The count of samples that should be read. Shall
* contain the real count of samples after reading, in case
* there were only fewer samples available.
* A smaller value also indicates the end of the reader.
* \param[out] buffer The pointer to the buffer with the samples.
*/
virtual void read(int & length, sample_t* & buffer)=0;
};
#endif //AUD_IREADER

109
intern/audaspace/intern/AUD_MixerFactory.cpp Normal file
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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#include "AUD_MixerFactory.h"
#include "AUD_IReader.h"
AUD_IReader* AUD_MixerFactory::getReader()
{
AUD_IReader* reader;
// first check for an existing reader
if(m_reader != 0)
{
reader = m_reader;
m_reader = 0;
return reader;
}
// otherwise create a reader if there is a factory
if(m_factory != 0)
{
reader = m_factory->createReader();
return reader;
}
return 0;
}
AUD_MixerFactory::AUD_MixerFactory(AUD_IReader* reader,
AUD_Specs specs)
{
m_specs = specs;
m_reader = reader;
m_factory = 0;
}
AUD_MixerFactory::AUD_MixerFactory(AUD_IFactory* factory,
AUD_Specs specs)
{
m_specs = specs;
m_reader = 0;
m_factory = factory;
}
AUD_MixerFactory::AUD_MixerFactory(AUD_Specs specs)
{
m_specs = specs;
m_reader = 0;
m_factory = 0;
}
AUD_MixerFactory::~AUD_MixerFactory()
{
if(m_reader != 0)
{
delete m_reader; AUD_DELETE("reader")
}
}
AUD_Specs AUD_MixerFactory::getSpecs()
{
return m_specs;
}
void AUD_MixerFactory::setSpecs(AUD_Specs specs)
{
m_specs = specs;
}
void AUD_MixerFactory::setReader(AUD_IReader* reader)
{
if(m_reader != 0)
{
delete m_reader; AUD_DELETE("reader")
}
m_reader = reader;
}
void AUD_MixerFactory::setFactory(AUD_IFactory* factory)
{
m_factory = factory;
}
AUD_IFactory* AUD_MixerFactory::getFactory()
{
return m_factory;
}

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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#ifndef AUD_MIXERFACTORY
#define AUD_MIXERFACTORY
#include "AUD_IFactory.h"
/**
* This factory is a base class for all mixer factories.
*/
class AUD_MixerFactory : public AUD_IFactory
{
protected:
/**
* The reader that should be mixed later.
*/
AUD_IReader* m_reader;
/**
* If there is no reader it is created out of this factory.
*/
AUD_IFactory* m_factory;
/**
* The target specification for resampling.
*/
AUD_Specs m_specs;
/**
* Returns the reader created out of the factory or taken from m_reader.
* This method can be used for the createReader function of the implementing
* classes.
* \return The reader to mix, or NULL if there is no reader or factory.
*/
AUD_IReader* getReader();
public:
/**
* Creates a new factory.
* \param reader The reader to mix.
* \param specs The target specification.
*/
AUD_MixerFactory(AUD_IReader* reader, AUD_Specs specs);
/**
* Creates a new factory.
* \param factory The factory to create the readers to mix out of.
* \param specs The target specification.
*/
AUD_MixerFactory(AUD_IFactory* factory, AUD_Specs specs);
/**
* Creates a new factory.
* \param specs The target specification.
*/
AUD_MixerFactory(AUD_Specs specs);
/**
* Destroys the resampling factory.
*/
virtual ~AUD_MixerFactory();
/**
* Returns the target specification for resampling.
*/
AUD_Specs getSpecs();
/**
* Sets the target specification for resampling.
* \param specs The specification.
*/
void setSpecs(AUD_Specs specs);
/**
* Sets the reader for resampling.
* If there has already been a reader, it will be deleted.
* \param reader The reader that should be used as source for resampling.
*/
void setReader(AUD_IReader* reader);
/**
* Sets the factory for resampling.
* \param factory The factory that should be used as source for resampling.
*/
void setFactory(AUD_IFactory* factory);
/**
* Returns the saved factory.
* \return The factory or NULL if there has no factory been saved.
*/
AUD_IFactory* getFactory();
};
#endif //AUD_MIXERFACTORY

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