Looks like you download a known playlist from some unstable network
connection.
To get a grasp on this: If you set the -xerror switch like
ffmpeg -y -xerror -i https://file.com/myfiles.m3u8 -c copy /tmp/test.mkv
what happens? Download should stop at the first buggy/missing segment of
the playlist. Now repeat the download multiple times to see if the
problem is random or not.
Missing segments could be a DRM problem or invalid/outdated entries in
the playlist. If the download always misses the same segment it's most
likely the segment entry is invalid.
Buggy segments are most likely either already buggy in the source or a
network bottleneck. If the faults always occur on the same spot, then
the source itself is most likely already buggy. Encountered this myself
on legacy sources digitized from VHS tapes. Sometimes content is more
important than quality.
On 26.09.23 22:36, Stein Rune Risa wrote:
I am using ffmpeg to download some streaming to a mkv file. The stream
parts comes in a m3u8 file.
ffmpeg -y -i https://file.com/myfiles.m3u8 -c copy /tmp/test.mkv
In some cases, there have been some issues downloading some of the
segments, and the mkv files have parts where it freezes for some seconds
before continuing. I am now forced to check the file manually (by watching)
and then redownload if it has any issues.
I guess this happens because ffmpeg temporarily is not able to download
some of the segments referred to in the m3u8?
Is there some way that I can force ffmpeg to retry failed segments? Or at
least abort if it happens? I am kind of looking for a way to get rid of the
manual checking of the content.
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