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| Microsoft DirectShow 9.0 |
Microsoft MPEG-1/DD Audio Decoder
Decodes MPEG-1 audio, MPEG-2 audio, and Dolby Digital audio.
- Note The Microsoft implementation of the Dolby Digital technology is restricted under terms of the Dolby Digital licensing program to use by Microsoft applications.
| Filter Interfaces | IBaseFilter |
| Input Pin Media Types | MEDIATYPE_Audio, MEDIASUBTYPE_DOLBY_AC3
MEDIATYPE_Audio, MEDIASUBTYPE_MPEG1Audio MEDIATYPE_Audio, MEDIASUBTYPE_MPEG1Payload MEDIATYPE_Audio, MEDIASUBTYPE_MPEG2_AUDIO MEDIATYPE_DVD_ENCRYPTED_PACK, MEDIASUBTYPE_DOLBY_AC3 MEDIATYPE_DVD_ENCRYPTED_PACK, MEDIASUBTYPE_DTS MEDIATYPE_DVD_ENCRYPTED_PACK, MEDIASUBTYPE_DVD_LPCM_AUDIO MEDIATYPE_DVD_ENCRYPTED_PACK, MEDIASUBTYPE_MPEG2_AUDIO MEDIATYPE_MPEG2_PES, MEDIASUBTYPE_DOLBY_AC3 MEDIATYPE_MPEG2_PES, MEDIASUBTYPE_DTS MEDIATYPE_MPEG2_PES, MEDIASUBTYPE_DVD_LPCM_AUDIO MEDIATYPE_MPEG2_PES, MEDIASUBTYPE_MPEG2_AUDIO MEDIATYPE_Stream, MEDIASUBTYPE_DOLBY_AC3 MEDIATYPE_Stream, MEDIASUBTYPE_MPEG1Audio MEDIATYPE_Stream, MEDIASUBTYPE_MPEG2_AUDIO |
| Input Pin Interfaces | ICodecAPI |
| Output Pin Media Types | MEDIATYPE_Audio, MEDIASUBTYPE_DOLBY_AC3_SPDIF
MEDIATYPE_Audio, MEDIASUBTYPE_PCM |
| Output Pin Interfaces | IMediaSeeking |
| Filter CLSID | CLSID_CMPEG2AudDecoderDS |
| Executable | msmpeg2adec.dll |
| Merit | MERIT_NORMAL - 1 |
| Filter Category | CLSID_LegacyAmFilterCategory |
Remarks
The input pin supports the following property sets through IKsPropertySet:
The input pin supports the following properties through ICodecAPI:
- AVAudioChannelConfig
- AVAudioChannelCount
- AVAudioSampleRate
- AVDDSurroundMode
- AVDecAudioDualMono
- AVDecCommonInputFormat
The filter supports the following properties through ICodecAPI:
- AVDecAudioDualMonoReproMode
- AVDecCommonOutputFormat
- AVDecDDDynamicRangeScaleHigh
- AVDecDDDynamicRangeScaleLow
- AVDecDDOperationalMode
- AVDecMmcssClass
Requirements
Client: Requires Windows Vista Home Premium or Windows Vista Ultimate.
Header: Include wmcodecdsp.h.
See Also