On Sat, 4 Apr 2015, PaulYurt wrote:
To my inexperienced eyes this looks like a DTC stream issue. Ffmpeg
reports the DTS audio time is not continuous and ffmpeg is, in the
example shown, replacing the time markers with continuous markers.
For the audio streams yes, but not for the subtitle streams. My question
was really more about the subtitle streams. For them, ffmpeg just aborts
rather then applying the same "correction" logic.
As a test, I found the warning message displayed for the audio streams
(ffmpeg.c:685) and noticed the code was restricted to video and audio
streams. I modified it to include subtitle streams and it worked. At
least for my test it generated the same warning message for subtitle
streams as it does for audio streams, but more importantly it didn't abort
the copy process. It created a complete file and as far as I can tell
there's no issues with the results. The point in the movie where the
problem happens has no jumps or missing parts.
It looks like the change to restrict this code to only video and audio
streams happened on May 3rd 2013:
http://git.videolan.org/?p=ffmpeg.git;a=commit;h=ee3824f6
What's the reason this same logic shouldn't be applied to subtitle
streams?
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