Can't play "dash" video-codec.



  • Hello All!
    I have issue: I can't play video, which downloaded from youtube(mp4-file). Video succesfully added to Isadora Library, but when i start to play it, only black screen showed, and audio track plays at 2x speed, although speed is 1.0.
    Is it possible to open such video? 
    Thanks for your advice!

    Here is source media, and bellow is mediaInfo:

    General
    Complete name               : D:\Video Source\Королёв-ТВ\В день города перед королёвцами выступили 17 школьных хоров.mp4
    Format                      : dash
    Codec ID                    : dash (iso6/avc1/mp41)
    File size                   : 28.0 MiB
    Duration                    : 1 min
    Overall bit rate            : 2 144 kb/s
    Encoded date                : UTC 2016-09-12 07:25:09
    Tagged date                 : UTC 2016-09-12 07:25:09
    Video
    ID                          : 1
    Format                      : AVC
    Format/Info                 : Advanced Video Codec
    Codec ID                    : avc1
    Codec ID/Info               : Advanced Video Coding
    Duration                    : 1 min
    Width                       : 1 280 pixels
    Height                      : 720 pixels
    Display aspect ratio        : 16:9
    Frame rate                  : 25.000 FPS
    Encoded date                : UTC 2016-09-12 07:25:09
    Tagged date                 : UTC 2016-09-12 07:25:09
    Audio
    ID                          : 1
    Format                      : AAC
    Format/Info                 : Advanced Audio Codec
    Format profile              : LC
    Codec ID                    : 40
    Duration                    : 1 min
    Source duration             : 5 min
    Bit rate                    : 2 068 kb/s
    Channel(s)                  : 2 channels
    Channel positions           : Front: L R
    Sampling rate               : 44.1 kHz
    Frame rate                  : 43.066 FPS (1024 spf)
    Compression mode            : Lossy
    Stream size                 : 27.0 MiB (96%)
    Source stream size          : 27.9 MiB (100%)
    Encoded date                : UTC 2016-09-12 07:23:34
    Tagged date                 : UTC 2016-09-12 07:23:34
    mdhd_Duration               : 109343


  • I think its the .avc codec thats the issue. I would suggest changing it to something else.



  • Skulpture , yes, i think so.

    Maybe it is possible to correct something in isadora to work with that codec? It would be great!


  • I don't think its quite as simple as that.

    Codecs are funny things and Mark picks the codecs that work the best with Isadora. Some codecs are not suitable for live performance.

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