forked from bartvdbraak/blender
223 lines
7.6 KiB
C
223 lines
7.6 KiB
C
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#ifndef _SDL_audio_h
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#define _SDL_audio_h
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#include "SDL_stdinc.h"
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#include "SDL_error.h"
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#include "SDL_endian.h"
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#include "SDL_mutex.h"
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#include "SDL_thread.h"
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#include "SDL_rwops.h"
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#include "begin_code.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef Uint16 SDL_AudioFormat;
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#define SDL_AUDIO_MASK_BITSIZE (0xFF)
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#define SDL_AUDIO_MASK_DATATYPE (1<<8)
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#define SDL_AUDIO_MASK_ENDIAN (1<<12)
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#define SDL_AUDIO_MASK_SIGNED (1<<15)
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#define SDL_AUDIO_BITSIZE(x) (x & SDL_AUDIO_MASK_BITSIZE)
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#define SDL_AUDIO_ISFLOAT(x) (x & SDL_AUDIO_MASK_DATATYPE)
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#define SDL_AUDIO_ISBIGENDIAN(x) (x & SDL_AUDIO_MASK_ENDIAN)
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#define SDL_AUDIO_ISSIGNED(x) (x & SDL_AUDIO_MASK_SIGNED)
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#define SDL_AUDIO_ISINT(x) (!SDL_AUDIO_ISFLOAT(x))
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#define SDL_AUDIO_ISLITTLEENDIAN(x) (!SDL_AUDIO_ISBIGENDIAN(x))
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#define SDL_AUDIO_ISUNSIGNED(x) (!SDL_AUDIO_ISSIGNED(x))
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#define AUDIO_U8 0x0008
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#define AUDIO_S8 0x8008
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#define AUDIO_U16LSB 0x0010
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#define AUDIO_S16LSB 0x8010
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#define AUDIO_U16MSB 0x1010
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#define AUDIO_S16MSB 0x9010
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#define AUDIO_U16 AUDIO_U16LSB
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#define AUDIO_S16 AUDIO_S16LSB
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#define AUDIO_S32LSB 0x8020
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#define AUDIO_S32MSB 0x9020
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#define AUDIO_S32 AUDIO_S32LSB
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#define AUDIO_F32LSB 0x8120
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#define AUDIO_F32MSB 0x9120
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#define AUDIO_F32 AUDIO_F32LSB
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#if SDL_BYTEORDER == SDL_LIL_ENDIAN
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#define AUDIO_U16SYS AUDIO_U16LSB
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#define AUDIO_S16SYS AUDIO_S16LSB
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#define AUDIO_S32SYS AUDIO_S32LSB
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#define AUDIO_F32SYS AUDIO_F32LSB
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#else
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#define AUDIO_U16SYS AUDIO_U16MSB
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#define AUDIO_S16SYS AUDIO_S16MSB
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#define AUDIO_S32SYS AUDIO_S32MSB
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#define AUDIO_F32SYS AUDIO_F32MSB
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#endif
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#define SDL_AUDIO_ALLOW_FREQUENCY_CHANGE 0x00000001
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#define SDL_AUDIO_ALLOW_FORMAT_CHANGE 0x00000002
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#define SDL_AUDIO_ALLOW_CHANNELS_CHANGE 0x00000004
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#define SDL_AUDIO_ALLOW_ANY_CHANGE (SDL_AUDIO_ALLOW_FREQUENCY_CHANGE|SDL_AUDIO_ALLOW_FORMAT_CHANGE|SDL_AUDIO_ALLOW_CHANNELS_CHANGE)
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typedef void (SDLCALL * SDL_AudioCallback) (void *userdata, Uint8 * stream,
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int len);
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typedef struct SDL_AudioSpec
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{
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int freq;
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SDL_AudioFormat format;
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Uint8 channels;
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Uint8 silence;
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Uint16 samples;
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Uint16 padding;
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Uint32 size;
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SDL_AudioCallback callback;
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void *userdata;
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} SDL_AudioSpec;
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struct SDL_AudioCVT;
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typedef void (SDLCALL * SDL_AudioFilter) (struct SDL_AudioCVT * cvt,
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SDL_AudioFormat format);
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#ifdef __GNUC__
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#define SDL_AUDIOCVT_PACKED __attribute__((packed))
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#else
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#define SDL_AUDIOCVT_PACKED
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#endif
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typedef struct SDL_AudioCVT
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{
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int needed;
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SDL_AudioFormat src_format;
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SDL_AudioFormat dst_format;
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double rate_incr;
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Uint8 *buf;
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int len;
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int len_cvt;
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int len_mult;
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double len_ratio;
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SDL_AudioFilter filters[10];
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int filter_index;
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} SDL_AUDIOCVT_PACKED SDL_AudioCVT;
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typedef int SDLCALL tSDL_GetNumAudioDrivers(void);
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typedef const char * SDLCALL tSDL_GetAudioDriver(int index);
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typedef int SDLCALL tSDL_AudioInit(const char *driver_name);
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typedef void SDLCALL tSDL_AudioQuit(void);
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typedef const char * SDLCALL tSDL_GetCurrentAudioDriver(void);
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typedef int SDLCALL tSDL_OpenAudio(SDL_AudioSpec * desired,
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SDL_AudioSpec * obtained);
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typedef Uint32 SDL_AudioDeviceID;
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typedef int SDLCALL tSDL_GetNumAudioDevices(int iscapture);
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typedef const char * SDLCALL tSDL_GetAudioDeviceName(int index,
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int iscapture);
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typedef SDL_AudioDeviceID SDLCALL tSDL_OpenAudioDevice(const char
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*device,
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int iscapture,
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const
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SDL_AudioSpec *
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desired,
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SDL_AudioSpec *
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obtained,
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int
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allowed_changes);
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typedef enum
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{
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SDL_AUDIO_STOPPED = 0,
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SDL_AUDIO_PLAYING,
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SDL_AUDIO_PAUSED
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} SDL_AudioStatus;
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typedef SDL_AudioStatus SDLCALL tSDL_GetAudioStatus(void);
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extern DECLSPEC SDL_AudioStatus SDLCALL
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SDL_GetAudioDeviceStatus(SDL_AudioDeviceID dev);
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typedef void SDLCALL tSDL_PauseAudio(int pause_on);
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typedef void SDLCALL tSDL_PauseAudioDevice(SDL_AudioDeviceID dev,
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int pause_on);
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typedef SDL_AudioSpec * SDLCALL tSDL_LoadWAV_RW(SDL_RWops * src,
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int freesrc,
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SDL_AudioSpec * spec,
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Uint8 ** audio_buf,
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Uint32 * audio_len);
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#define SDL_LoadWAV(file, spec, audio_buf, audio_len) \
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SDL_LoadWAV_RW(SDL_RWFromFile(file, "rb"),1, spec,audio_buf,audio_len)
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typedef void SDLCALL tSDL_FreeWAV(Uint8 * audio_buf);
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typedef int SDLCALL tSDL_BuildAudioCVT(SDL_AudioCVT * cvt,
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SDL_AudioFormat src_format,
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Uint8 src_channels,
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int src_rate,
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SDL_AudioFormat dst_format,
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Uint8 dst_channels,
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int dst_rate);
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typedef int SDLCALL tSDL_ConvertAudio(SDL_AudioCVT * cvt);
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#define SDL_MIX_MAXVOLUME 128
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typedef void SDLCALL tSDL_MixAudio(Uint8 * dst, const Uint8 * src,
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Uint32 len, int volume);
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typedef void SDLCALL tSDL_MixAudioFormat(Uint8 * dst,
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const Uint8 * src,
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SDL_AudioFormat format,
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Uint32 len, int volume);
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typedef void SDLCALL tSDL_LockAudio(void);
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typedef void SDLCALL tSDL_LockAudioDevice(SDL_AudioDeviceID dev);
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typedef void SDLCALL tSDL_UnlockAudio(void);
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typedef void SDLCALL tSDL_UnlockAudioDevice(SDL_AudioDeviceID dev);
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typedef void SDLCALL tSDL_CloseAudio(void);
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typedef void SDLCALL tSDL_CloseAudioDevice(SDL_AudioDeviceID dev);
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extern tSDL_GetNumAudioDrivers *SDL_GetNumAudioDrivers;
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extern tSDL_GetAudioDriver *SDL_GetAudioDriver;
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extern tSDL_AudioInit *SDL_AudioInit;
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extern tSDL_AudioQuit *SDL_AudioQuit;
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extern tSDL_GetCurrentAudioDriver *SDL_GetCurrentAudioDriver;
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extern tSDL_OpenAudio *SDL_OpenAudio;
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extern tSDL_GetNumAudioDevices *SDL_GetNumAudioDevices;
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extern tSDL_GetAudioDeviceName *SDL_GetAudioDeviceName;
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extern tSDL_OpenAudioDevice *SDL_OpenAudioDevice;
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extern tSDL_GetAudioStatus *SDL_GetAudioStatus;
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extern tSDL_PauseAudio *SDL_PauseAudio;
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extern tSDL_PauseAudioDevice *SDL_PauseAudioDevice;
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extern tSDL_LoadWAV_RW *SDL_LoadWAV_RW;
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extern tSDL_FreeWAV *SDL_FreeWAV;
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extern tSDL_BuildAudioCVT *SDL_BuildAudioCVT;
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extern tSDL_ConvertAudio *SDL_ConvertAudio;
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extern tSDL_MixAudio *SDL_MixAudio;
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extern tSDL_MixAudioFormat *SDL_MixAudioFormat;
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extern tSDL_LockAudio *SDL_LockAudio;
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extern tSDL_LockAudioDevice *SDL_LockAudioDevice;
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extern tSDL_UnlockAudio *SDL_UnlockAudio;
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extern tSDL_UnlockAudioDevice *SDL_UnlockAudioDevice;
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extern tSDL_CloseAudio *SDL_CloseAudio;
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extern tSDL_CloseAudioDevice *SDL_CloseAudioDevice;
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#ifdef __cplusplus
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}
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#endif
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#include "close_code.h"
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#endif
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