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Thread: Why video files won't move on once ended

  1. #1
    Join Date
    Sep 2007
    Posts
    14

    Why video files won't move on once ended

    Hi

    I want to play a short clip (4 minute long) to the subjects and I'm having problems with the time column. I've tried to put in the time the clip plays, the time the clip plays minus 10 seconds and things like that. Every time, when the clip ended, DirectRT fixated at a black screen and won't move on to the next trial. May I know if there is any way out of it? I tried to put "rt:57" there. It seems to work, as in I can press the spacebar to end the video and move on, but I don't want to give the subjects such a great way not to watch the clips.

    Please help~~

  2. #2
    Join Date
    Mar 2009
    Posts
    401
    Fantacier,

    It would seem that DirectRT is having trouble properly ending the video at the time you're specifying.
    If the video is around 4 minutes in length, then the value being used within the time column should be about 240000 (60 x 4 x 1000) . Is this the value you're using? What happens if you use 120000 (half the value)?

    Regards,
    Trevor

  3. #3
    Join Date
    Sep 2007
    Posts
    14
    I actually tried 10s. it worked. 1 min didn't work. It's absolutely weird...

  4. #4
    Join Date
    Mar 2009
    Posts
    401
    Fantacier,

    Would it be possible to send over an example input file along with one of the stimuli you're using?

    Regards,
    Trevor

  5. #5
    Join Date
    Sep 2007
    Posts
    14
    I'm trying to send the files. but the video file is just huge even after compression. is there any way i can make the video file shorter..

  6. #6
    Join Date
    Mar 2009
    Posts
    401
    Fantacier,

    Perhaps just try sending over a sample input file - I'll replace the missing video files with my own videos that are of a similar size.

    Regards,
    Trevor

  7. #7
    Join Date
    Sep 2007
    Posts
    14
    I've sent the files. Please take a look. Thank you so much for your help!

  8. #8
    Join Date
    Mar 2009
    Posts
    401
    Fantacier - Sorry for the confusion. Where did you send the files to?

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