khanat-opennel-code/code/nel/src/sound/source_music_channel.cpp

140 lines
2.9 KiB
C++

/**
* \file source_music_channel.cpp
* \brief CSourceMusicChannel
* \date 2012-04-11 16:08GMT
* \author Jan Boon (Kaetemi)
* CSourceMusicChannel
*/
/*
* Copyright (C) 2012 by authors
*
* This file is part of RYZOM CORE.
* RYZOM CORE is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* RYZOM CORE 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
* Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public
* License along with RYZOM CORE. If not, see
* <http://www.gnu.org/licenses/>.
*/
#include "stdsound.h"
#include <nel/sound/source_music_channel.h>
// STL includes
// NeL includes
// #include <nel/misc/debug.h>
#include <nel/sound/stream_file_source.h>
// Project includes
using namespace std;
// using namespace NLMISC;
namespace NLSOUND {
CSourceMusicChannel::CSourceMusicChannel() : m_Source(NULL), m_Gain(1.0f)
{
}
CSourceMusicChannel::~CSourceMusicChannel()
{
nlassert(!m_Source);
delete m_Source;
m_Source = NULL;
}
bool CSourceMusicChannel::play(const std::string &filepath, bool async, bool loop)
{
// delete previous source if any
// note that this waits for the source's thread to finish if the source was still playing
if (m_Source)
delete m_Source;
m_Sound.setMusicFilePath(filepath, async, loop);
m_Source = new CStreamFileSource(&m_Sound, false, NULL, NULL, NULL, NULL);
m_Source->setSourceRelativeMode(true);
m_Source->setPos(NLMISC::CVector::Null);
m_Source->setRelativeGain(m_Gain);
m_Source->play();
return m_Source->isPlaying();
}
void CSourceMusicChannel::stop()
{
// stop but don't delete the source, deleting source may cause waiting for thread
if (m_Source)
m_Source->stop();
}
void CSourceMusicChannel::reset()
{
// forces the source to be deleted, happens when audio mixer is reset
delete m_Source;
m_Source = NULL;
}
void CSourceMusicChannel::pause()
{
if (m_Source)
m_Source->pause();
}
void CSourceMusicChannel::resume()
{
if (m_Source)
m_Source->resume();
}
bool CSourceMusicChannel::isEnded()
{
if (m_Source)
{
if (m_Source->isEnded())
{
// we can delete the source now without worrying about thread wait
delete m_Source;
m_Source = NULL;
return true;
}
return false;
}
return true;
}
bool CSourceMusicChannel::isLoadingAsync()
{
if (m_Source)
return m_Source->isLoadingAsync();
return false;
}
float CSourceMusicChannel::getLength()
{
if (m_Source)
return m_Source->getLength();
return 0.0f;
}
void CSourceMusicChannel::setVolume(float gain)
{
m_Gain = gain;
if (m_Source)
m_Source->setRelativeGain(gain);
}
} /* namespace NLSOUND */
/* end of file */