Am 3/28/2016 um 10:34 PM schrieb Yisheng Zhao:
Hi Genius,
I have a question if video orientation is supported in3gp/mp4 in
FFmpeg/libav?
In
http://www.etsi.org/deliver/etsi_ts/126200_126299/126244/12.03.00_60/ts_126244v120300p.pdf,
a "3gvo" box is used to specify the video orientation~
Thanks so much~
Best,
Yisheng
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Hello,
if by video orientation you mean video rotation, then yes. I did that
with mp4/HLS and other formats.
It is (usually) done using the "rotate" metadata. Not sure if 3gp
supports that as well.
Regards,
Jan Drabner
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