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opening an .MP4 in Avisynth ? - Doom9's Forum
https://forum.doom9.org/showthread.php?t=122923
Avisynth open failure DirectShowSource: Could not open as video or audio. Video returned: "DirectShowSource: couldn't open file D:\DVD\file.mp4: Cannot play back the file. The format is not supported." Audio returned: "DirectShowSource: the filter graph manager won't talk to …
a problem opening MKV or MP4 files - VideoHelp Forum
https://forum.videohelp.com/threads/322964-a-problem-opening-MKV-or-MP4-files
It doesn't have to rely on DirectShow installed filters. Try disabling all of them and see if you can play the files: View -> Options -> Internal Filters... uncheck all the source filters and transform filters. Exit MPC and restart it for the changes to take effect.
FAQ common errors - Avisynth wiki
http://avisynth.nl/index.php/FAQ_common_errors
Use DirectShowSource to open the audio. Install ffdshow and enable the specific audio format in the "Audio Decoder Properties" tab. Create the following script: Vid = AviSource("Blah.avi", audio=false) Aud = DirectShowSource("Blah.avi", video=false) AudioDub(Vid, Aud) When encoding I got the following error: "framesize xyz x 56 not supported"?
AviSynth FAQ - Some common error messages
http://avisynth.org.ru/docs/english/faq_common_errors.htm
Use DirectShowSource to open the audio. Install ffdshow and enable the specific audio format in the "Audio Decoder Properties" tab. Create the following script: Vid = AviSource("Blah.avi", audio=false) Aud = DirectShowSource("Blah.avi", video=false) AudioDub(Vid, Aud) When encoding I got the following error: "framesize xyz x 56 not supported"?
opening an .MP4 in Avisynth ? [Archive] - Doom9's Forum
https://forum.doom9.org/archive/index.php/t-122923.html
Directshowsource. Could not open as video or audio. 2. Vdub 1.6.17 which says Avisynth open failure DirectShowSource: Could not open as video or audio. Video returned: "DirectShowSource: couldn't open file D:\DVD\file.mp4: Cannot play back the file. The format is not supported." Audio returned: "DirectShowSource: the filter graph manager won't talk to me"
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