[FFmpeg-cvslog] lavc:libsvtav1: Update SVT-AV1 new repo

ffmpeg | branch: master | Jun Zhao | Sun Jul 4 00:45:53 2021 +0800| [7bd7377ddbad959e7f77681e8cc990561406f04f] | committer: Jun Zhao lavc:libsvtav1: Update SVT-AV1 new repo SVT-AV1 moved the repo from github to gitlab. Signed-off-by: Jun Zhao > http://git.videolan.org/gitweb.cgi/ffmpeg.git

[FFmpeg-cvslog] avformat/udp: fix check for pthread_cond_wait return value

ffmpeg | branch: master | Zhao Zhili | Mon Jun 21 22:32:49 2021 +0800| [30ca9980ffb885bfdf433302e5338021eef578fe] | committer: Jun Zhao avformat/udp: fix check for pthread_cond_wait return value POSIX errno is positive. We have strict_pthread_cond_wait to handle error code during development.

[FFmpeg-cvslog] ffmpeg: add option recast_media

ffmpeg | branch: master | Gyan Doshi | Fri Jul 2 15:48:21 2021 +0530| [79ebdbb9b9da0a86b277e3f85981196c781af398] | committer: Gyan Doshi ffmpeg: add option recast_media Allows forcing decoders of different media type. Needed to decode media data muxed as data streams. > http://git.videolan.or