pcsx2/plugins/spu2ghz/sndout.h

92 lines
2.7 KiB
C++

//GiGaHeRz's SPU2 Driver
//Copyright (c) 2003-2008, David Quintana <gigaherz@gmail.com>
//
//This library is free software; you can redistribute it and/or
//modify it under the terms of the GNU Lesser General Public
//License as published by the Free Software Foundation; either
//version 2.1 of the License, or (at your option) any later version.
//
//This library 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
//Lesser General Public License for more details.
//
//You should have received a copy of the GNU Lesser General Public
//License along with this library; if not, write to the Free Software
//Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
#ifndef SNDOUT_H_INCLUDE
#define SNDOUT_H_INCLUDE
// Number of stereo samples per SndOut block.
// All drivers must work in units of this size when communicating with
// SndOut.
static const int SndOutPacketSize = 1024;
static const int SndOutVolumeShiftBase = 8;
extern int SndOutVolumeShift;
#define pcmlog
extern FILE *wavelog;
s32 SndInit();
void SndClose();
s32 SndWrite(s32 ValL, s32 ValR);
s32 SndTest();
void SndConfigure(HWND parent, u32 outmodidx );
bool SndGetStats(u32 *written, u32 *played);
int FindOutputModuleById( const char* omodid );
class SndBuffer
{
public:
virtual ~SndBuffer() {}
virtual void WriteSamples(s32 *buffer, int nSamples)=0;
virtual void PauseOnWrite(bool doPause)=0;
virtual void ReadSamples( s16* bData )=0;
virtual void ReadSamples( s32* bData )=0;
//virtual s32 GetBufferUsage()=0;
//virtual s32 GetBufferSize()=0;
};
class SndOutModule
{
public:
// Virtual destructor, because it helps fight C+++ funny-business.
virtual ~SndOutModule(){};
// Returns a unique identification string for this driver.
// (usually just matches the driver's cpp filename)
virtual const char* GetIdent() const=0;
// Returns the long name / description for this driver.
// (for use in configuration screen)
virtual const char* GetLongName() const=0;
virtual s32 Init(SndBuffer *buffer)=0;
virtual void Close()=0;
virtual s32 Test() const=0;
virtual void Configure(HWND parent)=0;
virtual bool Is51Out() const=0;
// Returns the number of empty samples in the output buffer.
// (which is effectively the amount of data played since the last update)
virtual int GetEmptySampleCount() const=0;
};
//internal
extern SndOutModule *WaveOut;
extern SndOutModule *DSoundOut;
extern SndOutModule *FModOut;
extern SndOutModule *ASIOOut;
extern SndOutModule *XAudio2Out;
extern SndOutModule *DSound51Out;
extern SndOutModule* mods[];
#endif // SNDOUT_H_INCLUDE