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winamp/Src/external_dependencies/openmpt-trunk/soundlib/plugins/dmo/DMOPlugin.h
2024-09-24 14:54:57 +02:00

101 lines
2.9 KiB
C++

/*
* DMOPlugin.h
* -----------
* Purpose: DirectX Media Object plugin handling / processing.
* Notes : (currently none)
* Authors: OpenMPT Devs
* The OpenMPT source code is released under the BSD license. Read LICENSE for more details.
*/
#if defined(MPT_WITH_DMO)
#include "../PlugInterface.h"
#include <dmoreg.h>
#include <strmif.h>
typedef interface IMediaObject IMediaObject;
typedef interface IMediaObjectInPlace IMediaObjectInPlace;
typedef interface IMediaParamInfo IMediaParamInfo;
typedef interface IMediaParams IMediaParams;
OPENMPT_NAMESPACE_BEGIN
class DMOPlugin final : public IMixPlugin
{
protected:
IMediaObject *m_pMediaObject;
IMediaObjectInPlace *m_pMediaProcess;
IMediaParamInfo *m_pParamInfo;
IMediaParams *m_pMediaParams;
uint32 m_nSamplesPerSec;
const uint32 m_uid;
union
{
int16 *i16;
float *f32;
} m_alignedBuffer;
union
{
int16 i16[MIXBUFFERSIZE * 2 + 16]; // 16-bit PCM Stereo interleaved
float f32[MIXBUFFERSIZE * 2 + 16]; // 32-bit Float Stereo interleaved
} m_interleavedBuffer;
bool m_useFloat;
public:
static IMixPlugin* Create(VSTPluginLib &factory, CSoundFile &sndFile, SNDMIXPLUGIN *mixStruct);
protected:
DMOPlugin(VSTPluginLib &factory, CSoundFile &sndFile, SNDMIXPLUGIN *mixStruct, IMediaObject *pMO, IMediaObjectInPlace *pMOIP, uint32 uid);
~DMOPlugin();
public:
void Release() override { delete this; }
int32 GetUID() const override { return m_uid; }
int32 GetVersion() const override { return 2; }
void Idle() override { }
uint32 GetLatency() const override;
void Process(float *pOutL, float *pOutR, uint32 numFrames) override;
int32 GetNumPrograms() const override { return 0; }
int32 GetCurrentProgram() override { return 0; }
void SetCurrentProgram(int32 /*nIndex*/) override { }
PlugParamIndex GetNumParameters() const override;
PlugParamValue GetParameter(PlugParamIndex index) override;
void SetParameter(PlugParamIndex index, PlugParamValue value) override;
void Resume() override;
void Suspend() override;
void PositionChanged() override;
bool IsInstrument() const override { return false; }
bool CanRecieveMidiEvents() override { return false; }
bool ShouldProcessSilence() override { return true; }
#ifdef MODPLUG_TRACKER
CString GetDefaultEffectName() override { return CString(); }
CString GetParamName(PlugParamIndex param) override;
CString GetParamLabel(PlugParamIndex param) override;
CString GetParamDisplay(PlugParamIndex param) override;
// TODO we could simply add our own preset mechanism. But is it really useful for these plugins?
CString GetCurrentProgramName() override { return CString(); }
void SetCurrentProgramName(const CString &) override { }
CString GetProgramName(int32) override { return CString(); }
bool HasEditor() const override { return false; }
#endif
int GetNumInputChannels() const override { return 2; }
int GetNumOutputChannels() const override { return 2; }
};
OPENMPT_NAMESPACE_END
#endif // MPT_WITH_DMO