[FFmpeg-devel] Repetition of previous frame after loss of current frame

Michael Niedermayer michaelni at gmx.at
Tue Nov 8 03:47:02 CET 2011

On Sun, Nov 06, 2011 at 10:31:51AM -0800, Hardik Sharma wrote:
> To copy previous reference frame, there is a function in logavfilter->avfilter.c->avfilter_start_frame. Does anyone know about this function? Is there any frame copy or frame interpolation concealment available in ffmpeg for whole frame loss? Please let me know. Thanks.   

completely lost frames are handled ultimately by ffmpeg.c duplicating
the previous frames. when the output format cannot handle frames of
variable duration

We also have some interpolation concealment for B frames in

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