[FFmpeg-user] libavformat, RTSP: periodically read last available frame of live stream

[Sandro Mani]

On 08.09.2013 17:13, Sandro Mani wrote:
> Hello,
>
> I would like to periodically (say every second) grab the latest frame 
> from a rtsp live stream of a webcam. I am able to successfully open 
> the stream and read and decode frames, however if I read one frame 
> every second, I am still reading subsequent frames (as opposed to 
> frames which are i.e. one second apart). I guess I need to seek to the 
> last available frame before reading the next frame. Can anyone point 
> out how this can be done?
>
> For reference, my code is here: [1] [2].
>
> Thanks for any inputs.
>
> Sandro
>
>
> [1] http://smani.fedorapeople.org/VideoCapture.hpp
> [2] http://smani.fedorapeople.org/VideoCapture.cpp 

Apologies, this was the wrong list. Reposted to libav-user: 
http://ffmpeg.org/pipermail/libav-user/2013-September/005497.html