[FFmpeg-user] ffmpeg cannot capture h264 from webcam C920
mariofutire at googlemail.com
Sun Sep 1 21:55:17 CEST 2013
On 31/08/13 21:08, William C Bonner wrote:
> I finally figured out that to use FFMPEG directly with the logitech C920
> camera doing h.264 encoding, I need to use the -copyinkf flag.
> ffmpeg -report -s 1920x1080 f v4l2 -vcodec h264 -i /dev/video0 -copyinkf
> -vcodec copy test.mp4
it works now.
there are tons of warnings
[mp4 @ 0x181bff0] Non-monotonous DTS in output stream 0:0; previous: 11474308, current: 11431709;
changing to 11474309. This may result in incorrect timestamps in the output file.
Non-monotonous DTS in output stream 0:0; previous: 11972804, current: 11802063; changing to
11972805. This may result in incorrect timestamps in the output file.
need to find the right way to silence them
thank you very much.
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