Hi, Most video codecs use clock rate 90000 Hz, and the samples-per-frame/frame-length for video should be (clock-rate / fps). FYI, just noticed a bug in video stream about this and created ticket https://trac.pjsip.org/repos/ticket/1439. BR, nanang On Thu, Dec 22, 2011 at 9:49 AM, smartdu <smartdu at qq.com> wrote: > hello, > > i notice that this function > (pjmedia_rtcp_init?(pjmedia_rtcp_session?*session, char *name, unsigned > clock_rate, unsigned samples_per_frame,?pj_uint32_t?ssrc)) has two > parameters: clock_rate, samples_per_frame. but these params is valid in > audio. these can use in video? > > this is my question, thanks. > > 2011-12-22 > ________________________________ > smartdu > > _______________________________________________ > 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 >