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This section describes the Microsoft® DirectShow® structures.
| Programming element | Description |
|---|---|
| ALLOCATOR_PROPERTIES | Contains the allocator's count, size, alignment, and prefix properties. |
| AM_MEDIA_TYPE | Describes a media sample type. |
| AM_SAMPLE2_PROPERTIES | Describes the properties of a generic media sample. |
| AM_STREAM_INFO | Contains start and stop information given to a pin. |
| AMOVIESETUP_FILTER | Contains filter information for registering a filter. |
| AMOVIESETUP_MEDIATYPE | Contains media type information for registering a filter. |
| AMOVIESETUP_PIN | Contains pin information for registering a filter. |
| AMVPDATAINFO | Specifies the data-specific characteristics of the VP input stream. |
| AMVPSIZE | Specifies the width and height for a VP image. |
| FILTER_INFO | Contains information about a filter. |
| PIN_INFO | Contains information about a pin. |
| POSITION | Placeholder for linked lists. |
| Quality | Describes a quality message by indicating Flood or Famine in the renderer and specifying the percentage of frames to drop or add to optimize the renderer's performance. |
| REGFILTER | Describes a filter in the registry. |
| REGFILTERPINS | Contains pin information for registering a filter. |
| REGPINTYPES | Contains media type information for registering a filter. |
The following structure maintains information about graphics device interface (GDI) bitmaps and device-independent bitmaps (DIBs).
| Structure | Description |
|---|---|
| DIBDATA | Contains information about each DIB. |
The following structures maintain information about video, as well as video capture and compression.
| Structure | Description |
|---|---|
| TRUECOLORINFO | Maintains color information. |
| AUDIO_STREAM_CONFIG_CAPS | Contains information about all possible audio formats supported. |
| COLORKEY | Communicates color key information between the renderer and another filter. |
| MPEG1VIDEOINFO | Contains additional MPEG-1 video system information. |
| MPEG2VIDEOINFO | Contains additional MPEG-2 video system information. |
| TIMECODE | Contains basic timecode frame count information. |
| TIMECODE_SAMPLE | Contains complete timecode information. |
| VIDEO_STREAM_CONFIG_CAPS | Contains information about possible connections. |
| VIDEOINFO | Contains information that specifies a video image and its color palette and bitmasks. |
| VIDEOINFOHEADER | Describes the bitmap and color information for a video image. |
| VIDEOINFOHEADER2 | Describes the bitmap and color information for a video image, including interlace, copy protection, and pixel aspect ratio information. |
See Also
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