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[Octave-bug-tracker] [bug #64452] [octave forge] (video) BIST in VideoWr


From: Dmitri A. Sergatskov
Subject: [Octave-bug-tracker] [bug #64452] [octave forge] (video) BIST in VideoWriter.m fails on ppc64el
Date: Sun, 23 Jul 2023 15:25:38 -0400 (EDT)

Follow-up Comment #7, bug #64452 (project octave):

I looked at the metadate on rainbow.mp4 generated on different platforms
(ffmpeg -i or ffprobe -show_streams ). 
They all have different bitrates. E.g. 

ppc64el:

  Duration: 00:00:04.00, start: 0.000000, bitrate: 58 kb/s
  Stream #0:0[0x1](und): Video: h264 (High) (avc1 / 0x31637661),
yuv420p(progressive), 200x150, 55 kb/s, 30 fps, 30 tbr, 15360 tbn (default)

RaspberryPi4 Ubuntu 23.04:

  Duration: 00:00:04.00, start: 0.000000, bitrate: 23 kb/s
  Stream #0:0[0x1](und): Video: h264 (High) (avc1 / 0x31637661),
yuv420p(progressive), 200x150, 20 kb/s, 30 fps, 30 tbr, 15360 tbn (default)


amd64 CentOS Stream 9:

  Duration: 00:00:04.00, start: 0.000000, bitrate: 24 kb/s
  Stream #0:0[0x1](und): Video: h264 (High) (avc1 / 0x31637661),
yuv420p(progressive), 200x150, 21 kb/s, 30 fps, 30 tbr, 15360 tbn (default)


Just fyi.

Dmitri.
-- 




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