Hi, The pjmedia level supports it, i.e: via pjmedia_vid_codec_modify(), however it is not exported (yet) to pjsua level and currently the ffmpeg codecs wrapper has empty implementation for this operation. BR, nanang On Tue, Jul 24, 2012 at 5:21 PM, linhui <linhuiii at 126.com> wrote: > Hi, all > Is possible to modify the video codec property when running? And how to > do it? I want to modify the frame size, bit rate or fps when running. I > known we can set the encoder and decoder parameters when initializing. > > > > _______________________________________________ > Visit our blog: http://blog.pjsip.org > > pjsip mailing list > pjsip at lists.pjsip.org > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org >