[FFmpeg-user] Quicktime DV MOVs - 2 different SAR informations
Christoph Gerstbauer
christophgerstbauer at gmail.com
Thu May 15 16:56:29 CEST 2014
Hello,
I was a little bit wrong:
Fileprobe 1 has a CORRECT SAR value: SAR 59:54 -> DAR 295:216
Because Digital PAL SD sources do have a SAR of 59:54 -> SAR 1.09:1 ->
DAR 295:216 (in common it is also named as 4:3, but technical it is not 4:3)
Analog SD sources have a SAR of 1.07:1 and THAT is the real 4:3 Aspect
Ratio.
Info to this facts:
http://www.mikeafford.com/blog/2009/03/pal-d1-dv-widescreen-square-pixel-settings-in-after-effects-cs4-vs-cs3/
So the b.) values is correct.
Fileprobe 1:
a.) 720x576 [SAR 16:15 DAR 4:3]
b.) SAR 59:54 DAR 295:216
Therfore: only Fileprobe 2 has a wrong SAR 178:163 -> SAR 1.09:1 -> DAR
1958:1467 (close to 4:3, but the video is 16:9)
Fileprobe 2:
a.) 720x576 [SAR 64:45 DAR 16:9]
b.) SAR 178:163 DAR 1958:1467
bg
Christoph
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