n6.1.3
fftools/ffmpeg: propagate frame durations to packets when encoding
avformat/movenc: fix writing reserved bits in EC3SpecificBox
avcodec/av1dec: export pixel format even if no hardware decoder is present
fftools/ffmpeg_enc: do not round frame durations prematurely
fate/pixfmt: test xyz12le
avformat/matroskaenc: Write default duration for audio
fate: add forgotten rpza reference test