n9.0
avformat/movenc: use a common denominator across all tracks as movie timescale
swscale/ops: switch from AVRational to AVRational64
avcodec/encode: take into account priming samples in the last packet duration
swscale/range_convert: fix truncation bias in range conversion
avformat/hls: rebase seek discard threshold to each playlist's DTS baseline
tests/fate/vcodec: Test intra_dc_precision