//编码rtp的视频buffer，发送给p2p对端。int32_t yang_push_h264_encodeVideo(YangRtcSession *session, YangPushH264Rtp *rtp,YangRtpPacket *pkt) {int err = 0;//用videoRtpBuffer中的数据填充rtp->buf.yang_init_buffer(&rtp->buf,