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54 lines
1.7 KiB
C
54 lines
1.7 KiB
C
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#ifndef __MPEGTYPE__
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#define __MPEGTYPE__
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct tagAM_MPEGSTREAMTYPE
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{
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DWORD dwStreamId;
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DWORD dwReserved;
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AM_MEDIA_TYPE mt;
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BYTE bFormat[1];
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} AM_MPEGSTREAMTYPE;
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typedef struct tagAM_MPEGSYSTEMTYPE
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{
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DWORD dwBitRate;
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DWORD cStreams;
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AM_MPEGSTREAMTYPE Streams[1];
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} AM_MPEGSYSTEMTYPE;
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DECLARE_INTERFACE_(IMpegAudioDecoder, IUnknown)
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{
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STDMETHOD(get_FrequencyDivider) (THIS_ unsigned long *pDivider) PURE;
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STDMETHOD(put_FrequencyDivider) (THIS_ unsigned long Divider) PURE;
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STDMETHOD(get_DecoderAccuracy) (THIS_ unsigned long *pAccuracy) PURE;
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STDMETHOD(put_DecoderAccuracy) (THIS_ unsigned long Accuracy) PURE;
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STDMETHOD(get_Stereo) (THIS_ unsigned long *pStereo ) PURE;
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STDMETHOD(put_Stereo) (THIS_ unsigned long Stereo) PURE;
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STDMETHOD(get_DecoderWordSize) (THIS_ unsigned long *pWordSize) PURE;
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STDMETHOD(put_DecoderWordSize) (THIS_ unsigned long WordSize) PURE;
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STDMETHOD(get_IntegerDecode) (THIS_ unsigned long *pIntDecode) PURE;
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STDMETHOD(put_IntegerDecode) (THIS_ unsigned long IntDecode) PURE;
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STDMETHOD(get_DualMode) (THIS_ unsigned long *pIntDecode) PURE;
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STDMETHOD(put_DualMode) (THIS_ unsigned long IntDecode) PURE;
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STDMETHOD(get_AudioFormat) (THIS_ MPEG1WAVEFORMAT *lpFmt) PURE;
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};
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#ifdef
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}
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#endif
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#endif
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#define AM_MPEGSTREAMTYPE_ELEMENTLENGTH(pStreamType) FIELD_OFFSET(AM_MPEGSTREAMTYPE, bFormat[(pStreamType)->mt.cbFormat])
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#define AM_MPEGSTREAMTYPE_NEXT(pStreamType) ((AM_MPEGSTREAMTYPE *)((PBYTE)(pStreamType) + ((AM_MPEGSTREAMTYPE_ELEMENTLENGTH(pStreamType) + 7) & ~7)))
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#define AM_MPEG_AUDIO_DUAL_MERGE 0
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#define AM_MPEG_AUDIO_DUAL_LEFT 1
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#define AM_MPEG_AUDIO_DUAL_RIGHT 2
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