## DirectShow DVD Support

This article outlines the DVD media types and formats. For the definitions of DirectShow-supported interlaced media types and picture aspect ratios, see VIDEOINFOHEADER2. MPEG2VIDEOINFO also contains relevant information.

The following diagram and tables specify the digital versatile disc (DVD) media types and formats supported by DirectShow.

Connection | Major type | Subtype
A | MEDIATYPE_DVD_ENCRYPTED_PACK | MEDIASUBTYPE_MPEG2_VIDEO
B | MEDIATYPE_DVD_ENCRYPTED_PACK | MEDIASUBTYPE_DVD_SUBPICTURE
C | MEDIATYPE_DVD_ENCRYPTED_PACK | MEDIASUBTYPE_DOLBY_AC3
C | MEDIATYPE_DVD_ENCRYPTED_PACK | MEDIASUBTYPE_DVD_LPCM_AUDIO
D | MEDIATYPE_AUDIO | NULL
E | MEDIATYPE_AUXLine21Data | MEDIASUBTYPE_Line21_GOPPacket
F | MEDIATYPE_VIDEO | MEDIASUBTYPE_VideoPort — see Note
G | MEDIATYPE_VIDEO | Standard video subtypes
H | MEDIATYPE_VIDEO | MEDIASUBTYPE_Overlay

Connection | Format block type | Format block structure
A | FORMAT_MPEG2Video | MPEG2VIDEOINFO
B | FORMAT_VideoInfo2 | MPEG2VIDEOINFO
C | FORMAT_WaveFormatEx | WAVEFORMATEX
C | FORMAT_WaveFormatEx | WAVEFORMATEX
D | FORMAT_WaveFormatEx | WAVEFORMATEX
E | FORMAT_VideoInfo2 | VIDEOINFOHEADER
F | FORMAT_VideoInfo2 | VIDEOINFOHEADER2
G | FORMAT_VideoInfo2 | VIDEOINFOHEADER
H | FORMAT_VideoInfo | VIDEOINFOHEADER

Note: DirectShow determines the appropriate video port pixel formats during transport phase negotiation with the IVPConfig interface.

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