[FFmpeg-devel] [PATCH 01/35] fftools/ffmpeg_mux: add private muxer context

[Anton Khirnov]

Quoting Michael Niedermayer (2022-07-14 00:12:59)
> On Wed, Jul 13, 2022 at 12:58:54PM +0200, Anton Khirnov wrote:
> > Quoting Michael Niedermayer (2022-07-08 18:58:11)
> > > On Fri, Jun 17, 2022 at 12:27:18PM +0200, Anton Khirnov wrote:
> > > > The current version of this set can also be found in my tree
> > > > git://git.khirnov.net/libav
> > > > branch ffmpeg_mt/mux
> > > 
> > > There are really many files changing, its hard to say for sure that all are the
> > > same issue, but basically it all seems more or less frames in some streams
> > > including cases where there are hugely more or 0
> > > 
> > > Here are some examples:
> > > 
> > > 
> > > ffmpeg -i matrixbench_mpeg2.mpg -vcodec rawvideo -pix_fmt rgb555 -allow_raw_vfw 1 -vframes 1 -bitexact file-rgb555.mkv
> > > 
> > > the new file is much bigger (due to the audio track)
> > > 
> > > -rw-r----- 1 michael michael 2765813 Jul  8 16:57 file-rgb555.mkv
> > > -rw-r----- 1 michael michael  834643 Jul  8 17:02 file-rgb555-ref.mkv
> > 
> > Where can I find this file?
> 
> the 2 file-rgb555.mkv files are the outputs from ffmpeg from the matrixbench_mpeg2
> file and teh command line above. From before and after the change IIRC
> 
> matrixbench_mpeg2.mpg should be here:
> https://samples.ffmpeg.org/benchmark/testsuite1/

The output is ~815kB in the current branch, same as before. So I assume
the problem got fixed by the changes I did for one of the other samples.

Thanks for testing and let me know if you find any other issues.

-- 
Anton Khirnov