RECVBUF_SIZE     2118 libavformat/rtsp.c         len = ff_rtsp_tcp_read_packet(s, rtsp_st, rt->recvbuf, RECVBUF_SIZE);
RECVBUF_SIZE     2123 libavformat/rtsp.c         len = udp_read_packet(s, rtsp_st, rt->recvbuf, RECVBUF_SIZE, wait_end);
RECVBUF_SIZE     2132 libavformat/rtsp.c             len = avio_read_partial(s->pb, rt->recvbuf, RECVBUF_SIZE);
RECVBUF_SIZE     2204 libavformat/rtsp.c         rt->recvbuf = av_malloc(RECVBUF_SIZE);