Bug#1016925: kodi: Video playback not working in latest version of kodi
Control: reassign -1 kodi 2:20.0~alpha2+dfsg1-1
On 2022-08-15 21:49:19 +0000, Rogo wrote:
> Control: reassign -1 ffmpeg 7:5.1-2
> Control: affects -1 kodi
>
> Hi,
>
> since kodi in Debian is built against ffmpeg 5.1, TV playback is broken.
> More specifically, kodi can no longer play video transport streams.
>
> One can reproduce this by playing a video from a ts file in kodi, e.g.:
> $ ffmpeg -f lavfi -i testsrc -t 10 -c:v h264 test.ts
> $ kodi test.ts
>
> This worked fine with kodi 19.4, which was built against ffmpeg 4.4,
> but no longer shows the video in kodi 20, which is built against ffmpeg 5.1.
>
> The problem is that kodi tries to manually extract transport stream extradata
> using parser->split in CDVDDemuxFFmpeg::ParsePacket [1], but all the split
> functions were removed in ffmpeg 5.0 by [2]:
> commit e5af9203098a889f36b759652615046254d45102
> Author: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
> Date: Sun Mar 7 00:28:14 2021 +0100
>
> avcodec: Move all AVCodecParser.split functions to remove_extradata_bsf
>
> The remove_extradata bsf is the only user of these functions.
>
> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
> Signed-off-by: James Almer <jamrial@gmail.com>
>
> Reverting this commit on top of ffmpeg 5.1 (and including startcode.h in
> files then using avpriv_find_start_code) restores TV playback in kodi.
>
> As the example of kodi shows, these split functions are generally useful
> for API users outside of ffmpeg itself.
> Thus please restore them, e.g. by reverting this commit.
If you want ffmpeg commits reverted, this has to happen upstream. Until
that happens, this bug remains a "kodi needs to catch up with ffmpeg 5"
bug.
Cheers
>
> Thanks,
> Rogo
>
> 1: https://salsa.debian.org/multimedia-team/kodi-media-center/kodi/-/blob/1690349c890bdf941216218dd6b4f7b9c4204dc0/xbmc/cores/VideoPlayer/DVDDemuxers/DVDDemuxFFmpeg.cpp#L2260
> 2: https://git.ffmpeg.org/gitweb/ffmpeg.git/commitdiff/e5af9203098a889f36b759652615046254d45102
>
--
Sebastian Ramacher
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