forked from bartvdbraak/blender
5a8d5f77af
Replacing AUD_Reference with boost::shared_ptr.
205 lines
4.7 KiB
C++
205 lines
4.7 KiB
C++
/*
|
|
* ***** BEGIN GPL LICENSE BLOCK *****
|
|
*
|
|
* Copyright 2009-2011 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 General Public License as published by
|
|
* the Free Software Foundation; either version 2 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 General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with Audaspace; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*
|
|
* ***** END GPL LICENSE BLOCK *****
|
|
*/
|
|
|
|
/** \file audaspace/intern/AUD_SequencerReader.cpp
|
|
* \ingroup audaspaceintern
|
|
*/
|
|
|
|
|
|
#include "AUD_SequencerReader.h"
|
|
#include "AUD_MutexLock.h"
|
|
|
|
typedef std::list<boost::shared_ptr<AUD_SequencerHandle> >::iterator AUD_HandleIterator;
|
|
typedef std::list<boost::shared_ptr<AUD_SequencerEntry> >::iterator AUD_EntryIterator;
|
|
|
|
AUD_SequencerReader::AUD_SequencerReader(boost::shared_ptr<AUD_Sequencer> sequence, bool quality) :
|
|
m_position(0), m_device(sequence->m_specs), m_sequence(sequence), m_status(0), m_entry_status(0)
|
|
{
|
|
m_device.setQuality(quality);
|
|
}
|
|
|
|
AUD_SequencerReader::~AUD_SequencerReader()
|
|
{
|
|
}
|
|
|
|
bool AUD_SequencerReader::isSeekable() const
|
|
{
|
|
return true;
|
|
}
|
|
|
|
void AUD_SequencerReader::seek(int position)
|
|
{
|
|
if(position < 0)
|
|
return;
|
|
|
|
m_position = position;
|
|
|
|
for(AUD_HandleIterator it = m_handles.begin(); it != m_handles.end(); it++)
|
|
{
|
|
(*it)->seek(position / m_sequence->m_specs.rate);
|
|
}
|
|
}
|
|
|
|
int AUD_SequencerReader::getLength() const
|
|
{
|
|
return -1;
|
|
}
|
|
|
|
int AUD_SequencerReader::getPosition() const
|
|
{
|
|
return m_position;
|
|
}
|
|
|
|
AUD_Specs AUD_SequencerReader::getSpecs() const
|
|
{
|
|
return m_sequence->m_specs;
|
|
}
|
|
|
|
void AUD_SequencerReader::read(int& length, bool& eos, sample_t* buffer)
|
|
{
|
|
AUD_MutexLock lock(*m_sequence);
|
|
|
|
if(m_sequence->m_status != m_status)
|
|
{
|
|
m_device.changeSpecs(m_sequence->m_specs);
|
|
m_device.setSpeedOfSound(m_sequence->m_speed_of_sound);
|
|
m_device.setDistanceModel(m_sequence->m_distance_model);
|
|
m_device.setDopplerFactor(m_sequence->m_doppler_factor);
|
|
|
|
m_status = m_sequence->m_status;
|
|
}
|
|
|
|
if(m_sequence->m_entry_status != m_entry_status)
|
|
{
|
|
std::list<boost::shared_ptr<AUD_SequencerHandle> > handles;
|
|
|
|
AUD_HandleIterator hit = m_handles.begin();
|
|
AUD_EntryIterator eit = m_sequence->m_entries.begin();
|
|
|
|
int result;
|
|
boost::shared_ptr<AUD_SequencerHandle> handle;
|
|
|
|
while(hit != m_handles.end() && eit != m_sequence->m_entries.end())
|
|
{
|
|
handle = *hit;
|
|
boost::shared_ptr<AUD_SequencerEntry> entry = *eit;
|
|
|
|
result = handle->compare(entry);
|
|
|
|
if(result < 0)
|
|
{
|
|
try
|
|
{
|
|
handle = boost::shared_ptr<AUD_SequencerHandle>(new AUD_SequencerHandle(entry, m_device));
|
|
handles.push_front(handle);
|
|
}
|
|
catch(AUD_Exception&)
|
|
{
|
|
}
|
|
eit++;
|
|
}
|
|
else if(result == 0)
|
|
{
|
|
handles.push_back(handle);
|
|
hit++;
|
|
eit++;
|
|
}
|
|
else
|
|
{
|
|
handle->stop();
|
|
hit++;
|
|
}
|
|
}
|
|
|
|
while(hit != m_handles.end())
|
|
{
|
|
(*hit)->stop();
|
|
hit++;
|
|
}
|
|
|
|
while(eit != m_sequence->m_entries.end())
|
|
{
|
|
try
|
|
{
|
|
handle = boost::shared_ptr<AUD_SequencerHandle>(new AUD_SequencerHandle(*eit, m_device));
|
|
handles.push_front(handle);
|
|
}
|
|
catch(AUD_Exception&)
|
|
{
|
|
}
|
|
eit++;
|
|
}
|
|
|
|
m_handles = handles;
|
|
|
|
m_entry_status = m_sequence->m_entry_status;
|
|
}
|
|
|
|
AUD_Specs specs = m_sequence->m_specs;
|
|
int pos = 0;
|
|
float time = float(m_position) / float(specs.rate);
|
|
float volume, frame;
|
|
int len, cfra;
|
|
AUD_Vector3 v, v2;
|
|
AUD_Quaternion q;
|
|
|
|
|
|
while(pos < length)
|
|
{
|
|
frame = time * m_sequence->m_fps;
|
|
cfra = int(floor(frame));
|
|
|
|
len = int(ceil((cfra + 1) / m_sequence->m_fps * specs.rate)) - m_position;
|
|
len = AUD_MIN(length - pos, len);
|
|
len = AUD_MAX(len, 1);
|
|
|
|
for(AUD_HandleIterator it = m_handles.begin(); it != m_handles.end(); it++)
|
|
{
|
|
(*it)->update(time, frame, m_sequence->m_fps);
|
|
}
|
|
|
|
m_sequence->m_volume.read(frame, &volume);
|
|
if(m_sequence->m_muted)
|
|
volume = 0.0f;
|
|
m_device.setVolume(volume);
|
|
|
|
m_sequence->m_orientation.read(frame, q.get());
|
|
m_device.setListenerOrientation(q);
|
|
m_sequence->m_location.read(frame, v.get());
|
|
m_device.setListenerLocation(v);
|
|
m_sequence->m_location.read(frame + 1, v2.get());
|
|
v2 -= v;
|
|
m_device.setListenerVelocity(v2 * m_sequence->m_fps);
|
|
|
|
m_device.read(reinterpret_cast<data_t*>(buffer + specs.channels * pos), len);
|
|
|
|
pos += len;
|
|
time += float(len) / float(specs.rate);
|
|
}
|
|
|
|
m_position += length;
|
|
|
|
eos = false;
|
|
}
|