最終更新:2015-12-11 (金) 16:08:14 (1700d)  

MJPEGビデオフォーマットディスクリプタ
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The MJPEG Video Format Descriptor defines the characteristics of a specific video stream. It is used for formats that carry MJPEG video information, including all YUV/RGB variants.

フィールド

  • OffsetFieldSizeValueDescription
    0bLength?1NumberSize of this descriptor in bytes: 11
    1bDescriptorType1ConstantCS_INTERFACE descriptor type
    2bDescriptorSubtype1ConstantVS_FORMAT_MJPEG descriptor subtype
    3bFormatIndex1NumberIndex of this format descriptor
    4bNumFrameDescriptors?1NumberNumber of frame descriptors following that correspond to this format
    5bmFlags?1NumberSpecifies characteristics of this format
    6bDefaultFrameIndex?1NumberOptimum Frame Index (used to select resolution) for this stream
    7bAspectRatioX?1NumberThe X dimension of the picture aspect ratio.
    8bAspectRatioY?1NumberThe Y dimension of the picture aspect ratio.
    9bmInterlaceFlags?1BitmapSpecifies interlace information.
    10bCopyProtect?1BooleanSpecifies whether duplication of the video stream is restricted

bmFlags

  • D0: FixedSizeSamples? indicates whether all video samples are the same size.

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