Torque3D/Engine/source/sfx/openal/sfxALBuffer.h
2012-09-19 11:15:01 -04:00

119 lines
3.5 KiB
C++

//-----------------------------------------------------------------------------
// Copyright (c) 2012 GarageGames, LLC
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//-----------------------------------------------------------------------------
#ifndef _SFXALBUFFER_H_
#define _SFXALBUFFER_H_
#ifndef _LOADOAL_H
#include "sfx/openal/LoadOAL.h"
#endif
#ifndef _SFXINTERNAL_H_
#include "sfx/sfxInternal.h"
#endif
#ifndef _TVECTOR_H_
#include "core/util/tVector.h"
#endif
class SFXALVoice;
class SFXALBuffer : public SFXBuffer
{
public:
typedef SFXBuffer Parent;
friend class SFXALDevice;
friend class SFXALVoice;
protected:
/// AL buffer in case this is a static, non-streaming buffer.
ALuint mALBuffer;
/// Free buffers for use in queuing in case this is a streaming buffer.
Vector< ALuint > mFreeBuffers;
///
SFXALBuffer( const OPENALFNTABLE &oalft,
const ThreadSafeRef< SFXStream >& stream,
SFXDescription* description,
bool useHardware );
///
bool mIs3d;
///
bool mUseHardware;
const OPENALFNTABLE &mOpenAL;
///
ALenum _getALFormat() const
{
return _sfxFormatToALFormat( getFormat() );
}
///
static ALenum _sfxFormatToALFormat( const SFXFormat& format )
{
if( format.getChannels() == 2 )
{
const U32 bps = format.getBitsPerSample();
if( bps == 16 )
return AL_FORMAT_STEREO8;
else if( bps == 32 )
return AL_FORMAT_STEREO16;
}
else if( format.getChannels() == 1 )
{
const U32 bps = format.getBitsPerSample();
if( bps == 8 )
return AL_FORMAT_MONO8;
else if( bps == 16 )
return AL_FORMAT_MONO16;
}
return 0;
}
///
SFXALVoice* _getUniqueVoice() const
{
return ( SFXALVoice* ) mUniqueVoice.getPointer();
}
// SFXBuffer.
virtual void write( SFXInternal::SFXStreamPacket* const* packets, U32 num );
void _flush();
public:
static SFXALBuffer* create( const OPENALFNTABLE &oalft,
const ThreadSafeRef< SFXStream >& stream,
SFXDescription* description,
bool useHardware );
virtual ~SFXALBuffer();
};
#endif // _SFXALBUFFER_H_