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Microsoft MPEG-1/DD/AAC Audio Decoder …
https://docs.microsoft.com/en-us/windows/win32/directshow/microsoft-mpeg-1-dd-audio-decoder
MEDIATYPE_Stream, MEDIASUBTYPE_DOLBY_AC3 (See Note 1.) MEDIATYPE_Stream, MEDIASUBTYPE_MPEG1Audio; MEDIATYPE_Stream, MEDIASUBTYPE_MPEG2_AUDIO; Starting in Windows 7, the filter also supports the following input types: MEDIATYPE_Audio, MEDIASUBTYPE_DOLBY_DDPLUS (See Note 1.) …
MPEG-1 Media Types - Win32 apps | Microsoft Docs
https://docs.microsoft.com/en-us/windows/win32/directshow/mpeg-1-media-types
MPEG-1 Video packet and payload media types contain a complete sequence header so that data can be played from the middle of a file without needing a sequence header to initialize the video playback. The video sequence header is appended to the video data type for MPEG video so that play can begin from the middle of a stream.
Unable to render audio output pin in custom source filter
https://social.msdn.microsoft.com/Forums/en-US/13be0845-b21d-4dd6-843c-4dff4252618a/unable-to-render-audio-output-pin-in-custom-source-filter
The audio data that I receive over network is in MP3 format. When I render my audio file (used in streaming), I get following properties for output pin of async file source filter. ------------------------------------------------. Major type = MEDIATYPE_Stream. Sub type = MEDIASUBTYPE_MPEG1Audio. bFixedSizeSamples = 1.
Cannot open Windows Media Player Classic Home Cinema on ...
https://answers.microsoft.com/en-us/windows/forum/all/cannot-open-windows-media-player-classic-home/e5a0fdc6-268b-4a8b-a6c4-287f583ea9db
That is MEDIASUBTYPE_Matroska. I don't know how many players have built-in support for this codec (I am not aware of any), but generally you need a matroska codec to play this type of video. ffmpeg does support matroska via the LAV splitter. ffdshow borrowed video playing code from ffmpeg. if the LAV splitter does not work for you, visit a ...
MPEG2 Multiplexer Codec
http://www.m2solutionsinc.com/help/m2pro-codecs/MPEG-2_Multiplexer_Codec.htm
MEDIASUBTYPE_MPEG1Payload MEDIASUBTYPE_MPEG2_VIDEO. Audio Type: MEDIATYPE_Audio Subtypes: MPEG1AudioPayload MEDIASUBTYPE_MPEG1Audio FORMAT_WaveFormatEx (WAVE_FORMAT_MPEGLAYER3 format) MEDIASUBTYPE_MPEG2_AUDIO MEDIASUBTYPE_DOLBY_AC3 …
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