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Thread: Can't play mp4 files (case 37125)

  1. #1
    Join Date
    Jul 2013
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    15

    Can't play mp4 files (case 37125)

    I am trying to program a really simple experiment in DirectRT where a short video is played and then participants make a response. I can get avi files to play but for some reason I cannot get my mp4 files (which play in media player) to play in DirectRT. I have attached all of the relevant files and stimuli and have reduced the experiment to a single line in the csv file. Any help would be appreciated. I have tried saving the videos under different resolutions and frame rates and have also changed the bit depth in the colour.text file. No luck. Thanks in advance for your time.
    Attached Files Attached Files
    Last edited by jason_reed; 02-12-2020 at 12:27 AM.

  2. #2
    Join Date
    Feb 2013
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    1,093
    What version of DirectRT are you using?
    Jason Reed
    Empirisoft Software Support Specialist

  3. #3
    Join Date
    Jul 2013
    Posts
    15
    I am using the 2016 version.

  4. #4
    Join Date
    Feb 2013
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    1,093
    Please use the following URL to download and install the 2018 version of MediaLab to try with your files. Once installed, send us the ID code beginning with M18 to service@empirisoft.com while referencing case 37125 and we'll send you a trial license to activate MediaLab 2018 for 21 days:

    empirisoft.com/download/ml2018/ml2018.1.107.exe
    Jason Reed
    Empirisoft Software Support Specialist

  5. #5
    Join Date
    Jul 2013
    Posts
    15
    Thank you. I will download the software on Monday or Tuesday.

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