[libav-api] I-Frame extraction

Ronald S. Bultje rsbultje at gmail.com
Tue Nov 8 15:56:08 CET 2011


On Tue, Nov 8, 2011 at 6:11 AM, Alessandro Greco <alegreco.27 at gmail.com> wrote:
> Hi,
> first of all thankk you very much for your support!
> I tried to use -skip_frame nokey (before -i test.mpg) as indicated, but I
> cannot extract only the i-frame
> When I use the command
> ffmpeg -skip_frame nokey -i video.mpg -re -intra -f image2
> ImgTemp/img-%03d.jpg
> I obtain thousands of frame and they're repeated too

Oh, yeah, this is our framerate emulation. Please use -vsync 0 to
disable it. Sorry about not mentioning that.


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