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Windows File Explorer incorrect duration for a video file RRS feed

  • Question

  • Hi,

    I wrote an MPEG-4 file using Media Foundation. I wrote a total of 90 frames and the frame rate of the video was set to 30 frames/sec. When I inspect this file in Windows Explorer by right-clicking on the file > Properties > Details, the duration is listed as 2 seconds. See screenshot below:

    Other programs such as QuickTime, ffmpeg utilities and MediaInfo list it correctly as 3 seconds.

    When I write 91 frames, the duration is correctly listed as 3 seconds.

    Is this expected?

    Tuesday, June 10, 2014 8:16 PM