On Thursday, May 26, 2022, Andrew Randrianasulu <[email protected]> wrote:
> > > On Thursday, May 26, 2022, Phyllis Smith via Cin < > [email protected]> wrote: > >> Checked these 2 into GIT after testing. About the following: >> >> Instead "h264_vaapi.mkv" gives me error and no rendering. >>> >>> Error message popup: >>> "error rendering data" >>> >>> On terminal: >>> FFMPEG::encode_activate: write header failed /home/paz/vaapi_test.mkv >>> err: Invalid data found when processing input >>> Render::render_single: Session finished. >>> >> >> 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. Correct me if I am wrong. >> > > may be mkv muxer in ffmpeg more strict (or buggy)? > > 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? > at least for some user it was not working in ~2020... may be AMD driver/firmware need some support? https://forums.gentoo.org/viewtopic-t-1107846-start-0.html
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