[FFmpeg-devel] dv aspect ratio

[Maksym Veremeyenko]

hi,

years ago there was a patch 
http://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=6aafe463e5d1483b95ad259334c45d2741c92fb2 
that split aspect ration detection from for SMPTE 314M and IEC 61834.

i have a bunch of files that properly displayed by quicktime, but ffmpeg 
report 16:9 aspect ratio for them.

files originally are IEC 68134[apt == 0] and apt=0, vsc_pack[2]=CF so 
they detected as 16:9, albeit Quicktime display it as 4:3.

if somebody has IEC 61834 pdf's could he confirm that
     (vsc_pack[2] & 0x07) == 0x07)
really defines 16:9?

even http://msdn.microsoft.com/en-us/library/dd407313%28v=vs.85%29.aspx 
did not mention differences in aspect ration detection and meaning of 
filed *DISP*

-- 
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Maksym Veremeyenko