Hello everyone, I'm a user of the excellent trx tool[1], a wrapper arround ortp and opus to stream audio. When compiling with recent versions of ortp (release 1.0.2 in this case) the receiving part (rx) crashes after a few seconds.
rx sets up a session with the option 'RTP_SESSION_RECVONLY' and, as the stacktrace bellow indicates, the crash happens during the construction of the rtcp package. From what I could gather from stepping throught the code, the problem seems to be that 'session->minimal_sdes' is not set. In 'rtp_session_init' this structure is set up by calling 'rtp_session_set_source_description' with some default values (src/rtpsession.c:248). This, however, is only done for 'SENDONLY' and 'SENDRECV' sessions. Indeed, when switching to 'SENDRECV' the error disappears. It looks like I'm not the first person with this problem [2],[3]. Best, Hans-Jörg [1] http://www.pogo.org.uk/~mark/trx/ [2] https://stackoverflow.com/questions/50076996/errors-using-ortp-library-within-liblinphone-ios-sdk [3] https://stackoverflow.com/questions/43591690/receiving-rtcp-issues-within-ortp-library #0 0x000000000040e523 in concatb (mp=mp@entry=0x68b9f0, newm=0x0) at [..]/ortp-1.0.2/src/str_utils.c:337 #1 0x00000000004127a8 in append_sdes (full=1 '\001', m=0x68b9f0, session=0x63cbe0) at [..]/ortp-1.0.2/src/rtcp.c:397 #2 rtp_session_create_and_send_rtcp_packet (session=session@entry=0x63 cbe0, full=full@entry=1 '\001') at [..]/ortp-1.0.2/src/rtcp.c:460 #3 0x0000000000412a46 in rtp_session_send_regular_rtcp_packet_and_reschedule (session=0x63cbe0, tc=2082455) at [..]/ortp-1.0.2/src/rtcp.c:569 #4 0x000000000040909f in rtp_session_recvm_with_ts ( session=session@entry=0x63cbe0, user_ts=user_ts@entry=29760) at [..]/ortp-1.0.2/src/rtpsession.c:1304 #5 0x0000000000409295 in rtp_session_recv_with_ts (session=0x63cbe0, buffer=<optimized out>, len=32768, ts=29760, have_more=0x7fffffffb408) at [..]/ortp-1.0.2/src/rtpsession.c:1381 #6 0x0000000000403a5c in run_rx (session=0x63cbe0, decoder=0x635e70, snd=0x6890f0, channels=2, rate=48000) at rx.c:117 #7 0x0000000000403fa0 in main (argc=5, argv=0x7fffffffb578) at rx.c:258 _______________________________________________ Linphone-users mailing list [email protected] https://lists.nongnu.org/mailman/listinfo/linphone-users
