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Am 3/28/2016 um 10:34 PM schrieb Yisheng Zhao:<br>
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cite="mid:CAGRKVOpx2aG6cd+pod9V0t3zBEKUQbTsPK1C+-KgFqz4tEjZxg@mail.gmail.com"
type="cite">
<div dir="ltr">Hi Genius,
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<div>I have a question if video orientation is supported
in3gp/mp4 in FFmpeg/libav?</div>
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<div>In <a moz-do-not-send="true"
href="http://www.etsi.org/deliver/etsi_ts/126200_126299/126244/12.03.00_60/ts_126244v120300p.pdf">http://www.etsi.org/deliver/etsi_ts/126200_126299/126244/12.03.00_60/ts_126244v120300p.pdf</a>,
a "3gvo" box is used to specify the video orientation~</div>
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<div>Thanks so much~</div>
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<div>Best,</div>
<div>Yisheng</div>
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Hello,<br>
<br>
if by video orientation you mean video rotation, then yes. I did
that with mp4/HLS and other formats.<br>
It is (usually) done using the "rotate" metadata. Not sure if 3gp
supports that as well.<br>
<br>
Regards,<br>
Jan Drabner<br>
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