On Friday, May 27, 2022, Andrea paz <[email protected]> wrote:
> > I added a message to the format to state that the mkv "only works on > computer that has vaapi capable software and hardware". I got the same > error message as Andrew on my AMD laptop that does not handle vaapi, but an > old HP laptop has it working. Not exactly sure that is the correct reason > but it is all I could think of. > > > > if you try to re-mux vaapi-encoded h264 mp4 into mkv with ffmpeg -i > file.mp4 -c:v copy (..other params) file.mkv - does it work? > > I have AMD hardware (CPU + GPU). > I tried rendering in CinGG a project in h264_vaapi/mp4. Then from > external terminal I used ffmpeg to convert the file to h264/mkv. The > conversion went well and the resulting file is viewable in mpv. > > > unfortunately cin on termux segfaults with this opt file: > > mp4 libx264 | h264_metadata=crop_left=20:crop_right=20 > > # use framerate for 1 keyframe/sec, needed for seeks > > keyint_min=25 > > x264-params keyint=25 > > I tried the opt file you suggested and it works fine. I attach the > preset. From earlier I had tried the copy/paste from your email, but > the line: > mp4 libx264 | h264_metadata=crop_left=20:crop_right=20 > leads to a dump; instead by going to new line: > mp4 libx264 > h264_metadata=crop_left=20:crop_right=20 > it works well. > it works, but without cropping (mediainfo shows same dimensions) ..... and whole point of this test was to test bitstream filtering ..... can you check resulting file?
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