STREAM_ID_MAP structure (strmif.h)
[The feature associated with this page, DirectShow, is a legacy feature. It has been superseded by MediaPlayer, IMFMediaEngine, and Audio/Video Capture in Media Foundation. Those features have been optimized for Windows 10 and Windows 11. Microsoft strongly recommends that new code use MediaPlayer, IMFMediaEngine and Audio/Video Capture in Media Foundation instead of DirectShow, when possible. Microsoft suggests that existing code that uses the legacy APIs be rewritten to use the new APIs if possible.]
The STREAM_ID_MAP structure describes an elementary stream within an MPEG-2 program stream. Used with the IEnumStreamIdMap interface methods.
Syntax
typedef struct STREAM_ID_MAP {
ULONG stream_id;
DWORD dwMediaSampleContent;
ULONG ulSubstreamFilterValue;
int iDataOffset;
} STREAM_ID_MAP;
Members
stream_id
Specifies the ID of the PES stream.
dwMediaSampleContent
Specifies the media contents of the stream. May be one of the following values defined in axextend.idl:
MPEG2_PROGRAM_STREAM_MAP (0x00000000)
MPEG2_PROGRAM_ELEMENTARY_STREAM (0x00000001)
MPEG2_PROGRAM_DIRECTORY_PES_PACKET (0x00000002)
MPEG2_PROGRAM_PACK_HEADER (0x00000003)
MPEG2_PROGRAM_PES_STREAM (0x00000004)
MPEG2_PROGRAM_SYSTEM_HEADER (0x00000005)
ulSubstreamFilterValue
Specifies the substream within the elementary stream. If no substream filtering is required, use SUBSTREAM_FILTER_VAL_NONE (0x10000000).
iDataOffset
Specifies the offset in bytes for the substream. If no filtering is required, specify 0.
Requirements
| Requirement | Value |
|---|---|
| Header | strmif.h (include Dshow.h) |