Changelog: https://git.ffmpeg.org/gitweb/ffmpeg.git/blob/refs/heads/release/4.2:/Changelog
Configuration flag changes:
https://git.ffmpeg.org/gitweb/ffmpeg.git/blobdiff/n4.1.4..n4.2:/configure
Ignored new configuration flags:
--enable-libaribb24 enable ARIB text and caption decoding via libaribb24 [no]
--enable-pocketsphinx enable PocketSphinx, needed for asr filter [no]
--enable-cuda-nvcc enable Nvidia CUDA compiler [no]
--disable-cuda-llvm disable CUDA compilation using clang [autodetect]
--disable-msa2 disable MSA2 optimizations
The renamed and removed configuration options where not used.
I've added a patch to prefer libdav1d over libaom, as libaom wasn't even
able to play my sample videos for AV1 (apart from the reduced
performance, at least in theory).
