Btw, I turned off the auto spspps insertion on my h264 bitstream encoder and put this info only into mp4 container header when muxing. It doesn't work. The muxer produces invalid data. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://ffmpeg.org/pipermail/libav-user/attachments/20171115/1be159cb/attachment.html>