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