[FFmpeg-devel] [PATCH] libavformat/subfile: Fix SEEK_CUR and SEEK_END seeking

[Nicolas George]

Andreas Rheinhardt (12019-07-15):
> Up until now, when performing a SEEK_END seek, the subfile protocol
> ignored the desired position (relative to EOF) and used the current
> absolute offset in the input file instead.
> 
> And when performing a SEEK_CUR seek, the current position has been
> ignored.
> 
> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at gmail.com>
> ---
> Sorry for the noise of another email, but I just found out that SEEK_CUR
> is buggy as well. This probably hasn't been detected earlier because
> avio_seek translates SEEK_CUR to SEEK_SET internally.

I think this patch is necessary, and I intend to apply it.

But in the meantime, can you test if this patch:

https://ffmpeg.org/pipermail/ffmpeg-devel/2019-July/246765.html

does resolve the problem with concat: that made you look into it?

Regards,

-- 
  Nicolas George
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