On Tuesday 01 December 2015 09:32:14 am Tobias Rapp wrote: > > I coundn’t find what is codec SAR, and why it differs from streams SAR. > > Could you explain it for me?
SAR - sample aspect ratio or pixel aspect ratio It can differ for several reasons including bugs in the recording software. > Some video codecs allow to store the aspect ratio within the binary data > chunk of each encoded frame. Also some container formats allow to store > the aspect ratio globally for the whole stream (file). Now when both > values exist they possibly contain mismatching information. Which value > is the correct one is not obvious, I guess media players have some own > guessing algorithm to decide which one to use. It makes sense to use the container aspect ratio if they disagree. Carl Eugen _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user
