[Ffmpeg-devel] av_seek_frame() units

[Steve Willis]

I would also very much like some more information on this. I asked a 
similar question last week, and am very grateful for the response. I am 
a newcomer to avcodec/avformat, and could really use some tips or 
example code on the best way to seek to a particular frame given its 
time, even if that frame is not a keyframe. Could someone explain the 
HURRY_UP mode that was suggested for quickly skipping from the nearest 
keyframe to the actual frame I am seeking?

Like Ian, I need some help understanding how to map a timestamp to a 
framenumber as well.

Thanks,

Steve

Ian Gowen wrote:
> Hi, how would I find the correct timestamp to pass to av_seek_frame() if I know 
> the number of the frame I want to seek to? I tried
> (AVStream.r_frame_rate/frames)*AV_TIME_BASE
> but that doesn't appear to work.
> 
> TIA
> --Ian
> 
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