playing local WMV file before copy is completed

Discussion in 'Windows Media Player' started by DonS, Choi, Jan 18, 2007.

  1. DonS, Choi

    DonS, Choi Guest


    I'm using WMP10 in windows XP service pack 2.

    == Scenario ==
    I have an original some_test.wmv file in remote computer (by network share)

    I want to play *.wmv file in my local PC before all part of the
    some_test.wmv file are copied

    So, I copied beginning part of the some_test.wmv file to my PC and after
    that I play the some_test.wmv file
    And while WMP play the movie, I copy the remain part of the some_test.wmv

    In this situation, I don't know how much time gap is needed between playing
    position(seconds) and copy positon(seconds.)

    I want to copy just enough data (part of the some_test.wmv file) to play,
    Not the whole some_test.wmv file

    I think WMP9 read ahead some amount of seconds before currrent playing
    position (seconds).
    But I don't know how much time it is.

    It seems that the seconds between playing and read ahead are changed

    Please help me!!
    DonS, Choi, Jan 18, 2007
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  2. You would need to know both the bitrate of the file needed for
    playback - you can measure this before copy using some form of ASF
    reader that would only sample the ASF headers. Then you would need to
    know the unkonwn bitrate of your network at the time you intended to
    copy the file.

    Probably this isn't a practical exercise without significant
    programmign skills, and some ability in statistical inference of
    transfer bitrates (which may not be constant).

    If you're asking is there already a tool to do this, the answer's no.

    Cheers - Neil
    Neil Smith [MVP Digital Media], Jan 19, 2007
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