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/* Copyright (C) 2015 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. 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.
*
* 0 A.D. 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 0 A.D. If not, see <http://www.gnu.org/licenses/>.
*/
#include "precompiled.h"
#include "CStreamItem.h"
#if CONFIG2_AUDIO
#include "soundmanager/SoundManager.h"
#include "soundmanager/data/OggData.h"
CStreamItem::CStreamItem(CSoundData* sndData)
{
ResetVars();
if (InitOpenAL())
Attach(sndData);
}
CStreamItem::~CStreamItem()
{
Stop();
ReleaseOpenALStream();
}
void CStreamItem::ReleaseOpenALStream()
{
if (m_ALSource != 0)
{
int num_processed;
AL_CHECK;
alGetSourcei(m_ALSource, AL_BUFFERS_PROCESSED, &num_processed);
AL_CHECK;
if (num_processed > 0)
{
ALuint* al_buf = new ALuint[num_processed];
alSourceUnqueueBuffers(m_ALSource, num_processed, al_buf);
AL_CHECK;
delete[] al_buf;
}
alSourcei(m_ALSource, AL_BUFFER, 0);
AL_CHECK;
((CSoundManager*)g_SoundManager)->ReleaseALSource(m_ALSource);
AL_CHECK;
m_ALSource = 0;
}
}
bool CStreamItem::IdleTask()
{
AL_CHECK;
HandleFade();
AL_CHECK;
if (m_ALSource != 0)
{
int proc_state;
alGetSourcei(m_ALSource, AL_SOURCE_STATE, &proc_state);
AL_CHECK;
if (proc_state == AL_STOPPED)
{
if (m_LastPlay)
return (proc_state != AL_STOPPED);
}
else if (m_SoundData != NULL)
{
COggData* theData = (COggData*)m_SoundData;
if (! theData->IsFileFinished())
{
int num_processed;
alGetSourcei(m_ALSource, AL_BUFFERS_PROCESSED, &num_processed);
AL_CHECK;
if (num_processed > 0)
{
ALuint* al_buf = new ALuint[num_processed];
alSourceUnqueueBuffers(m_ALSource, num_processed, al_buf);
AL_CHECK;
int didWrite = theData->FetchDataIntoBuffer(num_processed, al_buf);
alSourceQueueBuffers(m_ALSource, didWrite, al_buf);
AL_CHECK;
delete[] al_buf;
}
}
else if (GetLooping())
{
theData->ResetFile();
}
else
{
int num_processed;
alGetSourcei(m_ALSource, AL_BUFFERS_QUEUED, &num_processed);
m_ShouldBePlaying = ( num_processed == 0 );
}
}
}
AL_CHECK;
return true;
}
void CStreamItem::Attach(CSoundData* itemData)
{
if (m_SoundData != NULL)
{
CSoundData::ReleaseSoundData(m_SoundData);
m_SoundData = 0;
}
if (itemData != NULL)
{
m_SoundData = itemData->IncrementCount();
alSourceQueueBuffers(m_ALSource, m_SoundData->GetBufferCount(), (const ALuint *)m_SoundData->GetBufferPtr());
AL_CHECK;
}
}
void CStreamItem::SetLooping(bool loops)
{
m_Looping = loops;
}
#endif // CONFIG2_AUDIO
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