ffmpeg can't interpret HLS #EXT-X-DISCONTINUITY tag.

[shiina]

Summary of the bug:
Trying to convert from HLS (it's list file includes #EXT-X-DISCONTINUITY tag) to mp4, it can't convert well after #EXT-X-DISCONTINUITY tag.

How to reproduce:

% ./ffmpeg -report -y -i /tv/tmp/56m9c2ry/list.m3u8 -vcodec copy -acodec copy ./test.mp4
ffmpeg version 2017-09-16 snapshot of git.ffmpeg.org.
built on ubuntu16.04

About input file: My HLS may be valid, so I watch the video properly by chrome, firefox and vlc.

[shiina]

report file

[shiina]

HLS playlist file

[Timo R.]

What should it possibly do though?
In copy mode, there is not much it can do to gracefully handle a discontinuity.
If you re-encode, it should work as expected.

[shiina]

Trying to convert with re-encode, it brings a bad results, too.

The command is
./ffmpeg -report -y -i /tv/tmp/56m9c2ry/list.m3u8 -vcodec libx264 -acodec aac ./test2.mp4

Replying to oromit:

What should it possibly do though?
In copy mode, there is not much it can do to gracefully handle a discontinuity.
If you re-encode, it should work as expected.