RECORDTABWRITE Field - ulParm2

ulParm2 (ULONG)

Data record specific data. On an MMIOM_MULTITRACKWRITE message, this field must contain the number of NULL frames that should be inserted before this frame (this RECORDTABWRITE entry). This is used during real-time capture of video to save the number of missed (NULL) frames so that the video stream will play back at the correct rate.

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