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Describes a media sample type.
typedef struct _MediaType{
GUID
majortype
;
GUID
subtype
;
BOOL
bFixedSizeSamples
;
BOOL
bTemporalCompression
;
ULONG
lSampleSize
;
GUID
formattype
;
IUnknown *
pUnk
;
ULONG
cbFormat
;
/* [size_is] */ BYTE __RPC_FAR *
pbFormat
;
} AM_MEDIA_TYPE;
Members
- majortype
- Major type of the media sample.
- subtype
- Subtype of the media sample.
- bFixedSizeSamples
- If TRUE, samples are of a fixed size.
- bTemporalCompression
- If TRUE, samples are compressed.
- lSampleSize
- Size of the sample in bytes.
- formattype
- Registered (GUID) format type.
- pUnk
- Pointer to the IUnknowninterface.
- cbFormat
- Size of the format section of the media type.
- pbFormat
- Pointer to the format section of the media type. The layout of
this is determined by the format type GUID.
Format typesinclude the following:
Format type Structure pointed to FORMAT_MPEGVideo MPEG1VIDEOINFO FORMAT_VideoInfo VIDEOINFOHEADER FORMAT_WaveFormatEx WAVEFORMATEX FORMAT_MPEG2Video MPEG2VIDEOINFO FORMAT_VideoInfo2 VIDEOINFOHEADER2