On Mon, Oct 24, 2016 at 11:24 PM, qw <applema...@163.com> wrote: > Hi, > > > I have one question about some rare usage for avfilter graph: > > > Sometimes, I want to change the setting in avfilter graph. For example, > fps filter is used to set output frame rate, and it's expected that fps can > be changed in accordance to real needs. Sometimes, fps is set to 25, and > later 15 as network bandwidth is not good. Is it possible that avfilter > graph updates its setting in realtime, such as fps in fps filter, and > widthxheight in scale filter? > (You probably want to send such questions to libav-u...@ffmpeg.org instead.) I guess you are looking for avfilter_graph_send_command. Unfortunately, "fps" filter doesn't provide any command you can use. "scale" does have it, see here <https://github.com/FFmpeg/FFmpeg/blob/master/libavfilter/vf_scale.c#L626>.
> > Thanks! > > > Regards > > > Andrew > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > http://ffmpeg.org/mailman/listinfo/ffmpeg-devel > _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
