mirror of https://git.ffmpeg.org/ffmpeg.git
d32a6c36e4
The scale2ref filter will now maintain the DAR of the main input and not the DAR of the reference input. This previous behavior was deemed counterintuitive for most (all?) use-cases. Before: scale2ref=iw/4:ow/mdar in w:320 h:240 fmt:rgb24 sar:1/1 ref w:640 h:360 fmt:rgb24 sar:1/1 out w:160 h:120 fmt:rgb24 sar:4/3 flags:0x2 SAR: ((120 * 640) / (160 * 360)) * (1 / 1) = 4 / 3 DAR: (160 / 120) * (4 / 3) = 16 / 9 (main out now same DAR as ref) Now: scale2ref=iw/4:ow/mdar in w:320 h:240 fmt:rgb24 sar:1/1 ref w:640 h:360 fmt:rgb24 sar:1/1 out w:160 h:120 fmt:rgb24 sar:1/1 flags:0x2 SAR: ((120 * 320) / (160 * 240)) * (1 / 1) = 1 / 1 DAR: (160 / 120) * (1 / 1) = 4 / 3 (main out same DAR as main in) The scale2ref FATE test has also been updated. Signed-off-by: Kevin Mark <kmark937@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> |
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