On 01/07/2011 12:27 AM, kimaidou wrote:
Hi list,

I am sure I am not the only one who dumly rotate the camera when recording a
video, and then needs to turn the laptop 90° to watch the video :).

Is it possible to use ffmpeg or mencoder (or another tool supported by
shotwell) to rotate the video ? I know such an edition will affect the
original video file, as it cannot be done "on the fly".

Actually I think it should be possible to rotate the video image on the fly as it's rendered - that would require some computational power, but I bet that modern CPUs are plenty capable .

The user might also want to rotate a video file itself. For some video formats, it might also be possible to write metadata bits that say that the video should be rotated when displayed (just like we can for JPEG files). For other formats, it might be necessary to rewrite the entire file to achieve a rotation.

Any comments on this ? Should I add a ticket in the trac ?

This is a reasonable feature request.  I've filed a ticket:

http://trac.yorba.org/ticket/3073

adam

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