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8168 编码的mv运动向量提取的问题



rameType 1==offset 0 ==mvDataFilledSize 0 ===

所有p帧mv的偏移和尺寸都是0

这个要怎么打开?另外怎么取?

 

    UInt32              mvDataOffset;     /**< Actual offset to mv data bistream in buffer, in bytes */

    UInt32              mvDataFilledSize;     /**< Actual size of mv data bistream in buffer, in bytes */