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+/* $Id: sdp_neg_test.c 3553 2011-05-05 06:14:19Z nanang $ */
+/*
+ * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
+ * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms oa the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 oa the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty oa
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy oa the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+#include <pjmedia/sdp.h>
+#include <pjmedia/sdp_neg.h>
+#include "test.h"
+
+
+#define THIS_FILE "sdp_neg_test.c"
+#define START_TEST 0
+
+enum session_type
+{
+ REMOTE_OFFER,
+ LOCAL_OFFER,
+};
+
+struct offer_answer
+{
+ enum session_type type; /* LOCAL_OFFER: REMOTE_OFFER: */
+ char *sdp1; /* local offer remote offer */
+ char *sdp2; /* remote answer initial local */
+ char *sdp3; /* local active media local answer */
+};
+
+static struct test
+{
+ const char *title;
+ unsigned offer_answer_count;
+ struct offer_answer offer_answer[4];
+} test[] =
+{
+ /* test 0: */
+ {
+ /*********************************************************************
+ * RFC 3264 examples, section 10.1 (Alice's view)
+ *
+ * Difference from the example:
+ * - Bob's port number of the third media stream in the first answer
+ * is changed (make it different than Alice's)
+ * - in the second offer/answer exchange, Alice can't accept the
+ * additional line since she didn't specify the capability
+ * in the initial negotiator creation.
+ */
+
+ "RFC 3264 example 10.1 (Alice's view)",
+ 2,
+ {
+ {
+ LOCAL_OFFER,
+ /* Alice sends offer: */
+ "v=0\r\n"
+ "o=alice 2890844526 2890844526 IN IP4 host.anywhere.com\r\n"
+ "s= \r\n"
+ "c=IN IP4 host.anywhere.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 49170 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=video 51372 RTP/AVP 31\r\n"
+ "a=rtpmap:31 H261/90000\r\n"
+ "m=video 53000 RTP/AVP 32\r\n"
+ "a=rtpmap:32 MPV/90000\r\n",
+ /* Received Bob's answer: */
+ "v=0\r\n"
+ "o=bob 2890844730 2890844730 IN IP4 host.example.com\r\n"
+ "s= \r\n"
+ "c=IN IP4 host.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 49920 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=video 0 RTP/AVP 31\r\n"
+ "m=video 53002 RTP/AVP 32\r\n"
+ "a=rtpmap:32 MPV/90000\r\n",
+ /* Alice's SDP now: */
+ "v=0\r\n"
+ "o=alice 2890844526 2890844526 IN IP4 host.anywhere.com\r\n"
+ "s= \r\n"
+ "c=IN IP4 host.anywhere.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 49170 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=video 0 RTP/AVP 31\r\n"
+ //"a=rtpmap:31 H261/90000\r\n" /* <-- this is not necessary (port 0) */
+ "m=video 53000 RTP/AVP 32\r\n"
+ "a=rtpmap:32 MPV/90000\r\n"
+ },
+ {
+ REMOTE_OFFER,
+ /* Bob wants to change his local SDP
+ * (change local port for the first stream and add new stream)
+ * Received SDP from Bob:
+ */
+ "v=0\r\n"
+ "o=bob 2890844730 2890844731 IN IP4 host.example.com\r\n"
+ "s=-\r\n"
+ "c=IN IP4 host.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 65422 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=video 0 RTP/AVP 31\r\n"
+ "m=video 53002 RTP/AVP 32\r\n"
+ "a=rtpmap:32 MPV/90000\r\n"
+ "m=audio 51434 RTP/AVP 110\r\n"
+ "a=rtpmap:110 telephone-events/8000\r\n"
+ "a=recvonly\r\n",
+ NULL,
+ /* Alice's SDP now */
+ "v=0\r\n"
+ "o=alice 2890844526 2890844527 IN IP4 host.anywhere.com\r\n"
+ "s= \r\n"
+ "c=IN IP4 host.anywhere.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 49170 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=video 0 RTP/AVP 31\r\n"
+ //"a=rtpmap:31 H261/90000\r\n" /* <-- this is not necessary (port 0) */
+ "m=video 53000 RTP/AVP 32\r\n"
+ "a=rtpmap:32 MPV/90000\r\n"
+ "m=audio 0 RTP/AVP 110\r\n"
+ /* <-- the following attributes are not necessary (port 0) */
+ //"a=rtpmap:110 telephone-events/8000\r\n"
+ //"a=sendonly\r\n"
+ }
+ }
+ },
+
+ /* test 1: */
+ {
+ /*********************************************************************
+ * RFC 3264 examples, section 10.1. (Bob's view)
+ *
+ * Difference:
+ * - the SDP version in Bob's capability is changed to ver-1.
+ */
+
+ "RFC 3264 example 10.1 (Bob's view)",
+ 2,
+ {
+ {
+ REMOTE_OFFER,
+ /* Remote offer from Alice: */
+ "v=0\r\n"
+ "o=alice 2890844526 2890844526 IN IP4 host.anywhere.com\r\n"
+ "s= \r\n"
+ "c=IN IP4 host.anywhere.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 49170 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=video 51372 RTP/AVP 31\r\n"
+ "a=rtpmap:31 H261/90000\r\n"
+ "m=video 53000 RTP/AVP 32\r\n"
+ "a=rtpmap:32 MPV/90000\r\n",
+ /* Bob's capability: */
+ "v=0\r\n"
+ "o=bob 2890844730 2890844729 IN IP4 host.example.com\r\n"
+ "s= \r\n"
+ "c=IN IP4 host.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 49920 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=video 0 RTP/AVP 31\r\n"
+ "m=video 53000 RTP/AVP 32\r\n"
+ "a=rtpmap:32 MPV/90000\r\n",
+ /* This's how Bob's answer should look like: */
+ "v=0\r\n"
+ "o=bob 2890844730 2890844730 IN IP4 host.example.com\r\n"
+ "s= \r\n"
+ "c=IN IP4 host.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 49920 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=video 0 RTP/AVP 31\r\n"
+ "m=video 53000 RTP/AVP 32\r\n"
+ "a=rtpmap:32 MPV/90000\r\n"
+ },
+ {
+ LOCAL_OFFER,
+ /* Bob wants to change his local SDP
+ * (change local port for the first stream and add new stream)
+ */
+ "v=0\r\n"
+ "o=bob 2890844730 2890844731 IN IP4 host.example.com\r\n"
+ "s=-\r\n"
+ "c=IN IP4 host.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 65422 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=video 0 RTP/AVP 31\r\n"
+ "m=video 53000 RTP/AVP 32\r\n"
+ "a=rtpmap:32 MPV/90000\r\n"
+ "m=audio 51434 RTP/AVP 110\r\n"
+ "a=rtpmap:110 telephone-events/8000\r\n"
+ "a=recvonly\r\n",
+ /* Got answer from Alice */
+ "v=0\r\n"
+ "o=alice 2890844526 2890844527 IN IP4 host.anywhere.com\r\n"
+ "s=-\r\n"
+ "c=IN IP4 host.anywhere.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 49170 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=video 0 RTP/AVP 31\r\n"
+ "a=rtpmap:31 H261/90000\r\n"
+ "m=video 53000 RTP/AVP 32\r\n"
+ "a=rtpmap:32 MPV/90000\r\n"
+ "m=audio 53122 RTP/AVP 110\r\n"
+ "a=rtpmap:110 telephone-events/8000\r\n"
+ "a=sendonly\r\n",
+ /* This is how Bob's SDP should look like after negotiation */
+ "v=0\r\n"
+ "o=bob 2890844730 2890844731 IN IP4 host.example.com\r\n"
+ "s=-\r\n"
+ "c=IN IP4 host.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 65422 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=video 0 RTP/AVP 31\r\n"
+ "m=video 53000 RTP/AVP 32\r\n"
+ "a=rtpmap:32 MPV/90000\r\n"
+ "m=audio 51434 RTP/AVP 110\r\n"
+ "a=rtpmap:110 telephone-events/8000\r\n"
+ "a=recvonly\r\n"
+ }
+ }
+ },
+
+ /* test 2: */
+ {
+ /*********************************************************************
+ * RFC 3264 examples, section 10.2.
+ * This is from Alice's point of view.
+ */
+
+ "RFC 3264 example 10.2 (Alice's view)",
+ 2,
+ {
+ {
+ LOCAL_OFFER,
+ /* The initial offer from Alice to Bob indicates a single audio
+ * stream with the three audio codecs that are available in the
+ * DSP. The stream is marked as inactive,
+ */
+ "v=0\r\n"
+ "o=alice 2890844526 2890844526 IN IP4 host.anywhere.com\r\n"
+ "s=-\r\n"
+ "c=IN IP4 host.anywhere.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 62986 RTP/AVP 0 4 18\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "a=rtpmap:4 G723/8000\r\n"
+ "a=rtpmap:18 G729/8000\r\n"
+ "a=inactive\r\n",
+ /* Bob can support dynamic switching between PCMU and G.723. So,
+ * he sends the following answer:
+ */
+ "v=0\r\n"
+ "o=bob 2890844730 2890844731 IN IP4 host.example.com\r\n"
+ "s=-\r\n"
+ "c=IN IP4 host.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 54344 RTP/AVP 0 4\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "a=rtpmap:4 G723/8000\r\n"
+ "a=inactive\r\n",
+ /* This is how Alice's media should look like after negotiation */
+ "v=0\r\n"
+ "o=alice 2890844526 2890844526 IN IP4 host.anywhere.com\r\n"
+ "s=-\r\n"
+ "c=IN IP4 host.anywhere.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 62986 RTP/AVP 0 4\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "a=rtpmap:4 G723/8000\r\n"
+ "a=inactive\r\n",
+ },
+ {
+ LOCAL_OFFER,
+ /* Alice sends an updated offer with a sendrecv stream: */
+ "v=0\r\n"
+ "o=alice 2890844526 2890844527 IN IP4 host.anywhere.com\r\n"
+ "s=-\r\n"
+ "c=IN IP4 host.anywhere.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 62986 RTP/AVP 4\r\n"
+ "a=rtpmap:4 G723/8000\r\n"
+ "a=sendrecv\r\n",
+ /* Bob accepts the single codec: */
+ "v=0\r\n"
+ "o=bob 2890844730 2890844732 IN IP4 host.example.com\r\n"
+ "s= \r\n"
+ "c=IN IP4 host.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 54344 RTP/AVP 4\r\n"
+ "a=rtpmap:4 G723/8000\r\n"
+ "a=sendrecv\r\n",
+ /* This is how Alice's media should look like after negotiation */
+ "v=0\r\n"
+ "o=alice 2890844526 2890844527 IN IP4 host.anywhere.com\r\n"
+ "s=-\r\n"
+ "c=IN IP4 host.anywhere.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 62986 RTP/AVP 4\r\n"
+ "a=rtpmap:4 G723/8000\r\n"
+ "a=sendrecv\r\n"
+ }
+ }
+ },
+
+#if 0
+ // this test is commented, this causes error:
+ // No suitable codec for remote offer (PJMEDIA_SDPNEG_NOANSCODEC),
+ // since currently the negotiator always answer with one codec,
+ // PCMU in this case, while PCMU is not included in the second offer.
+
+ /* test 3: */
+ {
+ /*********************************************************************
+ * RFC 3264 examples, section 10.2.
+ * This is from Bob's point of view.
+ *
+ * Difference:
+ * - The SDP version number in Bob's initial capability is ver-1
+ */
+
+ "RFC 3264 example 10.2 (Bob's view)",
+ 2,
+ {
+ {
+ REMOTE_OFFER,
+ /* Bob received offer from Alice:
+ */
+ "v=0\r\n"
+ "o=alice 2890844526 2890844526 IN IP4 host.anywhere.com\r\n"
+ "s=-\r\n"
+ "c=IN IP4 host.anywhere.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 62986 RTP/AVP 0 4 18\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "a=rtpmap:4 G723/8000\r\n"
+ "a=rtpmap:18 G729/8000\r\n"
+ "a=inactive\r\n",
+ /* Bob's capability:
+ */
+ "v=0\r\n"
+ "o=bob 2890844730 2890844730 IN IP4 host.example.com\r\n"
+ "s=-\r\n"
+ "c=IN IP4 host.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 54344 RTP/AVP 0 4\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "a=rtpmap:4 G723/8000\r\n"
+ "a=inactive\r\n",
+ /* This is how Bob's media should look like after negotiation */
+ "v=0\r\n"
+ "o=bob 2890844730 2890844731 IN IP4 host.example.com\r\n"
+ "s=-\r\n"
+ "c=IN IP4 host.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 54344 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "a=inactive\r\n"
+ },
+ {
+ REMOTE_OFFER,
+ /* Received updated Alice's SDP: offer with a sendrecv stream: */
+ "v=0\r\n"
+ "o=alice 2890844526 2890844527 IN IP4 host.anywhere.com\r\n"
+ "s=-\r\n"
+ "c=IN IP4 host.anywhere.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 62986 RTP/AVP 4\r\n"
+ "a=rtpmap:4 G723/8000\r\n"
+ "a=sendrecv\r\n",
+ /* Bob accepts the single codec: */
+ NULL,
+ /* This is how Bob's media should look like after negotiation */
+ "v=0\r\n"
+ "o=bob 2890844730 2890844732 IN IP4 host.example.com\r\n"
+ "s=-\r\n"
+ "c=IN IP4 host.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 54344 RTP/AVP 4\r\n"
+ "a=rtpmap:4 G723/8000\r\n"
+ "a=sendrecv\r\n",
+ }
+ }
+ },
+#endif
+
+ /* test 4: */
+ {
+ /*********************************************************************
+ * RFC 4317 Sample 2.1: Audio and Video 1 (Alice's view)
+ *
+ * This common scenario shows a video and audio session in which
+ * multiple codecs are offered but only one is accepted. As a result of
+ * the exchange shown below, Alice and Bob may send only PCMU audio and
+ * MPV video. Note: Dynamic payload type 97 is used for iLBC codec
+ */
+ "RFC 4317 section 2.1: Audio and Video 1 (Alice's view)",
+ 1,
+ {
+ {
+ LOCAL_OFFER,
+ /* Alice's local offer: */
+ "v=0\r\n"
+ "o=alice 2890844526 2890844526 IN IP4 host.atlanta.example.com\r\n"
+ "s=-\r\n"
+ "c=IN IP4 host.atlanta.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 49170 RTP/AVP 0 8 97\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "a=rtpmap:8 PCMA/8000\r\n"
+ "a=rtpmap:97 iLBC/8000\r\n"
+ "m=video 51372 RTP/AVP 31 32\r\n"
+ "a=rtpmap:31 H261/90000\r\n"
+ "a=rtpmap:32 MPV/90000\r\n",
+ /* Received answer from Bob: */
+ "v=0\r\n"
+ "o=bob 2808844564 2808844564 IN IP4 host.biloxi.example.com\r\n"
+ "s=-\r\n"
+ "c=IN IP4 host.biloxi.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 49174 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=video 49170 RTP/AVP 32\r\n"
+ "a=rtpmap:32 MPV/90000\r\n",
+ /* This is how Alice's media should look like now: */
+ "v=0\r\n"
+ "o=alice 2890844526 2890844526 IN IP4 host.atlanta.example.com\r\n"
+ "s=-\r\n"
+ "c=IN IP4 host.atlanta.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 49170 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=video 51372 RTP/AVP 32\r\n"
+ "a=rtpmap:32 MPV/90000\r\n"
+ }
+ }
+ },
+
+ /* test 5: */
+ {
+ /*********************************************************************
+ * RFC 4317 Sample 2.1: Audio and Video 1 (Bob's view)
+ *
+ * This common scenario shows a video and audio session in which
+ * multiple codecs are offered but only one is accepted. As a result of
+ * the exchange shown below, Alice and Bob may send only PCMU audio and
+ * MPV video. Note: Dynamic payload type 97 is used for iLBC codec
+ *
+ * Difference:
+ * - Bob's initial capability version number
+ */
+ "RFC 4317 section 2.1: Audio and Video 1 (Bob's view)",
+ 1,
+ {
+ {
+ REMOTE_OFFER,
+ /* Received Alice's local offer: */
+ "v=0\r\n"
+ "o=alice 2890844526 2890844526 IN IP4 host.atlanta.example.com\r\n"
+ "s=-\r\n"
+ "c=IN IP4 host.atlanta.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 49170 RTP/AVP 0 8 97\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "a=rtpmap:8 PCMA/8000\r\n"
+ "a=rtpmap:97 iLBC/8000\r\n"
+ "m=video 51372 RTP/AVP 31 32\r\n"
+ "a=rtpmap:31 H261/90000\r\n"
+ "a=rtpmap:32 MPV/90000\r\n",
+ /* Bob's capability: */
+ "v=0\r\n"
+ "o=bob 2808844564 2808844563 IN IP4 host.biloxi.example.com\r\n"
+ "s=-\r\n"
+ "c=IN IP4 host.biloxi.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 49174 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=video 49170 RTP/AVP 32\r\n"
+ "a=rtpmap:32 MPV/90000\r\n",
+ /* This is how Bob's media should look like now: */
+ "v=0\r\n"
+ "o=bob 2808844564 2808844564 IN IP4 host.biloxi.example.com\r\n"
+ "s=-\r\n"
+ "c=IN IP4 host.biloxi.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 49174 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=video 49170 RTP/AVP 32\r\n"
+ "a=rtpmap:32 MPV/90000\r\n"
+ }
+ }
+ },
+
+ /* test 6: */
+ {
+ /*********************************************************************
+ * RFC 4317 Sample 2.2: Audio and Video 2 (Alice's view)
+ *
+ * Difference:
+ * - Bob's initial capability version number
+ */
+ "RFC 4317 section 2.2: Audio and Video 2 (Alice's view)",
+ 2,
+ {
+ {
+ LOCAL_OFFER,
+ /* Alice sends offer: */
+ "v=0\r\n"
+ "o=alice 2890844526 2890844526 IN IP4 host.atlanta.example.com\r\n"
+ "s=alice\r\n"
+ "c=IN IP4 host.atlanta.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 49170 RTP/AVP 0 8 97\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "a=rtpmap:8 PCMA/8000\r\n"
+ "a=rtpmap:97 iLBC/8000\r\n"
+ "m=video 51372 RTP/AVP 31 32\r\n"
+ "a=rtpmap:31 H261/90000\r\n"
+ "a=rtpmap:32 MPV/90000\r\n",
+ /* Bob's answer: */
+ "v=0\r\n"
+ "o=bob 2808844564 2808844564 IN IP4 host.biloxi.example.com\r\n"
+ "s=bob\r\n"
+ "c=IN IP4 host.biloxi.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 49172 RTP/AVP 0 8\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "a=rtpmap:8 PCMA/8000\r\n"
+ "m=video 0 RTP/AVP 31\r\n"
+ "a=rtpmap:31 H261/90000\r\n",
+ /* This is how Alice's media should look like now: */
+ "v=0\r\n"
+ "o=alice 2890844526 2890844526 IN IP4 host.atlanta.example.com\r\n"
+ "s=alice\r\n"
+ "c=IN IP4 host.atlanta.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 49170 RTP/AVP 0 8\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "a=rtpmap:8 PCMA/8000\r\n"
+ // By #1088, the formats won't be negotiated when the media has port 0.
+ //"m=video 0 RTP/AVP 31\r\n"
+ "m=video 0 RTP/AVP 31 32\r\n"
+ //"a=rtpmap:31 H261/90000\r\n" /* <-- this is not necessary (port 0) */
+ },
+ {
+ LOCAL_OFFER,
+ /* Alice sends updated offer: */
+ "v=0\r\n"
+ "o=alice 2890844526 2890844527 IN IP4 host.atlanta.example.com\r\n"
+ "s=alice\r\n"
+ "c=IN IP4 host.atlanta.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 51372 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=video 0 RTP/AVP 31\r\n"
+ "a=rtpmap:31 H261/90000\r\n",
+ /* Bob's answer: */
+ "v=0\r\n"
+ "o=bob 2808844564 2808844565 IN IP4 host.biloxi.example.com\r\n"
+ "s=bob\r\n"
+ "c=IN IP4 host.biloxi.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 49172 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=video 0 RTP/AVP 31\r\n"
+ "a=rtpmap:31 H261/90000\r\n",
+ /* This is how Alice's SDP should look like: */
+ "v=0\r\n"
+ "o=alice 2890844526 2890844527 IN IP4 host.atlanta.example.com\r\n"
+ "s=alice\r\n"
+ "c=IN IP4 host.atlanta.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 51372 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=video 0 RTP/AVP 31\r\n"
+ //"a=rtpmap:31 H261/90000\r\n" /* <-- this is not necessary (port 0) */
+ }
+ }
+ },
+
+ /* test 7: */
+ {
+ /*********************************************************************
+ * RFC 4317 Sample 2.2: Audio and Video 2 (Bob's view)
+ *
+ * Difference:
+ * - Bob's initial capability version number
+ */
+ "RFC 4317 section 2.2: Audio and Video 2 (Bob's view)",
+ 2,
+ {
+ {
+ REMOTE_OFFER,
+ /* Received offer from alice: */
+ "v=0\r\n"
+ "o=alice 2890844526 2890844526 IN IP4 host.atlanta.example.com\r\n"
+ "s=alice\r\n"
+ "c=IN IP4 host.atlanta.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 49170 RTP/AVP 0 8 97\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "a=rtpmap:8 PCMA/8000\r\n"
+ "a=rtpmap:97 iLBC/8000\r\n"
+ "m=video 51372 RTP/AVP 31 32\r\n"
+ "a=rtpmap:31 H261/90000\r\n"
+ "a=rtpmap:32 MPV/90000\r\n",
+ /* Bob's initial capability: */
+ "v=0\r\n"
+ "o=bob 2808844564 2808844563 IN IP4 host.biloxi.example.com\r\n"
+ "s=bob\r\n"
+ "c=IN IP4 host.biloxi.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 49172 RTP/AVP 0 8\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "a=rtpmap:8 PCMA/8000\r\n"
+ "m=video 0 RTP/AVP 31\r\n"
+ "a=rtpmap:31 H261/90000\r\n",
+ /* This is how Bob's answer should look like now: */
+ "v=0\r\n"
+ "o=bob 2808844564 2808844564 IN IP4 host.biloxi.example.com\r\n"
+ "s=bob\r\n"
+ "c=IN IP4 host.biloxi.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 49172 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=video 0 RTP/AVP 31\r\n"
+ "a=rtpmap:31 H261/90000\r\n"
+ },
+ {
+ REMOTE_OFFER,
+ /* Received updated offer from Alice: */
+ "v=0\r\n"
+ "o=alice 2890844526 2890844527 IN IP4 host.atlanta.example.com\r\n"
+ "s=alice\r\n"
+ "c=IN IP4 host.atlanta.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 51372 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=video 0 RTP/AVP 31\r\n"
+ "a=rtpmap:31 H261/90000\r\n",
+ /* Bob's answer: */
+ NULL,
+ /* This is how Bob's answer should look like: */
+ "v=0\r\n"
+ "o=bob 2808844564 2808844565 IN IP4 host.biloxi.example.com\r\n"
+ "s=bob\r\n"
+ "c=IN IP4 host.biloxi.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 49172 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=video 0 RTP/AVP 31\r\n"
+ //"a=rtpmap:31 H261/90000\r\n" /* <-- this is not necessary (port 0) */
+ }
+ }
+ },
+
+ /* test 8: */
+ {
+ /*********************************************************************
+ * RFC 4317 Sample 2.4: Audio and Telephone-Events (Alice's view)
+ *
+ */
+
+ "RFC 4317 section 2.4: Audio and Telephone-Events (Alice's view)",
+ 1,
+ {
+ {
+ LOCAL_OFFER,
+ /* Alice sends offer: */
+ "v=0\r\n"
+ "o=alice 2890844526 2890844526 IN IP4 host.atlanta.example.com\r\n"
+ "s=alice\r\n"
+ "c=IN IP4 host.atlanta.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 49170 RTP/AVP 0 97\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "a=rtpmap:97 iLBC/8000\r\n"
+ "m=audio 49172 RTP/AVP 98\r\n"
+ "a=rtpmap:98 telephone-event/8000\r\n"
+ "a=sendonly\r\n",
+ /* Received Bob's answer: */
+ "v=0\r\n"
+ "o=bob 2808844564 2808844564 IN IP4 host.biloxi.example.com\r\n"
+ "s=bob\r\n"
+ "c=IN IP4 host.biloxi.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 49172 RTP/AVP 97\r\n"
+ "a=rtpmap:97 iLBC/8000\r\n"
+ "m=audio 49174 RTP/AVP 98\r\n"
+ "a=rtpmap:98 telephone-event/8000\r\n"
+ "a=recvonly\r\n",
+ /* Alice's SDP now: */
+ "v=0\r\n"
+ "o=alice 2890844526 2890844526 IN IP4 host.atlanta.example.com\r\n"
+ "s=alice\r\n"
+ "c=IN IP4 host.atlanta.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 49170 RTP/AVP 97\r\n"
+ "a=rtpmap:97 iLBC/8000\r\n"
+ "m=audio 49172 RTP/AVP 98\r\n"
+ "a=rtpmap:98 telephone-event/8000\r\n"
+ "a=sendonly\r\n"
+ }
+ }
+ },
+
+
+ /* test 9: */
+ {
+ /*********************************************************************
+ * RFC 4317 Sample 2.4: Audio and Telephone-Events (Bob's view)
+ *
+ * Difference:
+ * - Bob's initial SDP version number
+ * - Bob's capability are added with more formats, and the
+ * stream order is interchanged to test the negotiator.
+ */
+
+ "RFC 4317 section 2.4: Audio and Telephone-Events (Bob's view)",
+ 1,
+ {
+ {
+ REMOTE_OFFER,
+ /* Received Alice's offer: */
+ "v=0\r\n"
+ "o=alice 2890844526 2890844526 IN IP4 host.atlanta.example.com\r\n"
+ "s=alice\r\n"
+ "c=IN IP4 host.atlanta.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 49170 RTP/AVP 0 97\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "a=rtpmap:97 iLBC/8000\r\n"
+ "m=audio 49172 RTP/AVP 98\r\n"
+ "a=rtpmap:98 telephone-event/8000\r\n"
+ "a=sendonly\r\n",
+ /* Bob's initial capability: */
+ "v=0\r\n"
+ "o=bob 2808844564 2808844563 IN IP4 host.biloxi.example.com\r\n"
+ "s=bob\r\n"
+ "c=IN IP4 host.biloxi.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 49174 RTP/AVP 4 98\r\n"
+ "a=rtpmap:98 telephone-event/8000\r\n"
+ "m=audio 49172 RTP/AVP 97 8 99\r\n"
+ "a=rtpmap:97 iLBC/8000\r\n"
+ "a=rtpmap:99 telephone-event/8000\r\n",
+ /* Bob's answer should be: */
+ "v=0\r\n"
+ "o=bob 2808844564 2808844564 IN IP4 host.biloxi.example.com\r\n"
+ "s=bob\r\n"
+ "c=IN IP4 host.biloxi.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 49172 RTP/AVP 97\r\n"
+ "a=rtpmap:97 iLBC/8000\r\n"
+ "m=audio 49174 RTP/AVP 98\r\n"
+ "a=rtpmap:98 telephone-event/8000\r\n"
+ "a=recvonly\r\n"
+ }
+ }
+ },
+
+ /* test 10: */
+ {
+ /*********************************************************************
+ * RFC 4317 Sample 2.6: Audio with Telephone-Events (Alice's view)
+ *
+ */
+
+ "RFC 4317 section 2.6: Audio with Telephone-Events (Alice's view)",
+ 1,
+ {
+ {
+ LOCAL_OFFER,
+ /* Alice sends offer: */
+ "v=0\r\n"
+ "o=alice 2890844526 2890844526 IN IP4 host.atlanta.example.com\r\n"
+ "s=alice\r\n"
+ "c=IN IP4 host.atlanta.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 49170 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=audio 51372 RTP/AVP 97 101\r\n"
+ "a=rtpmap:97 iLBC/8000\r\n"
+ "a=rtpmap:101 telephone-event/8000\r\n",
+ /* Received bob's answer: */
+ "v=0\r\n"
+ "o=bob 2808844564 2808844564 IN IP4 host.biloxi.example.com\r\n"
+ "s=bob\r\n"
+ "c=IN IP4 host.biloxi.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 0 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=audio 49170 RTP/AVP 97 101\r\n"
+ "a=rtpmap:97 iLBC/8000\r\n"
+ "a=rtpmap:101 telephone-event/8000\r\n",
+ /* Alice's local SDP should be: */
+ "v=0\r\n"
+ "o=alice 2890844526 2890844526 IN IP4 host.atlanta.example.com\r\n"
+ "s=alice\r\n"
+ "c=IN IP4 host.atlanta.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 0 RTP/AVP 0\r\n"
+ //"a=rtpmap:0 PCMU/8000\r\n" /* <-- this is not necessary (port 0) */
+ "m=audio 51372 RTP/AVP 97 101\r\n"
+ "a=rtpmap:97 iLBC/8000\r\n"
+ "a=rtpmap:101 telephone-event/8000\r\n"
+ }
+ }
+ },
+
+ /* test 11: */
+ {
+ /*********************************************************************
+ * RFC 4317 Sample 2.6: Audio with Telephone-Events (Bob's view)
+ *
+ * Difference:
+ * - Bob's SDP version number
+ * - Bob's initial capability are expanded with multiple m lines
+ * and more formats
+ */
+
+ "RFC 4317 section 2.6: Audio with Telephone-Events (Bob's view)",
+ 1,
+ {
+ {
+ REMOTE_OFFER,
+ /* Received Alice's offer: */
+ "v=0\r\n"
+ "o=alice 2890844526 2890844526 IN IP4 host.atlanta.example.com\r\n"
+ "s=alice\r\n"
+ "c=IN IP4 host.atlanta.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 49170 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=audio 51372 RTP/AVP 97 101\r\n"
+ "a=rtpmap:97 iLBC/8000\r\n"
+ "a=rtpmap:101 telephone-event/8000\r\n",
+ /* Bob's initial capability also has video: */
+ "v=0\r\n"
+ "o=bob 2808844564 2808844563 IN IP4 host.biloxi.example.com\r\n"
+ "s=bob\r\n"
+ "c=IN IP4 host.biloxi.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 49170 RTP/AVP 4 97 101\r\n"
+ "a=rtpmap:4 G723/8000\r\n"
+ "a=rtpmap:97 iLBC/8000\r\n"
+ "a=rtpmap:101 telephone-event/8000\r\n"
+ "m=video 1000 RTP/AVP 31\r\n"
+ "a=rtpmap:31 H261/90000\r\n",
+ /* Bob's answer should be: */
+ "v=0\r\n"
+ "o=bob 2808844564 2808844564 IN IP4 host.biloxi.example.com\r\n"
+ "s=bob\r\n"
+ "c=IN IP4 host.biloxi.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 0 RTP/AVP 0\r\n"
+ //"a=rtpmap:0 PCMU/8000\r\n" /* <-- this is not necessary (port 0) */
+ "m=audio 49170 RTP/AVP 97 101\r\n"
+ "a=rtpmap:97 iLBC/8000\r\n"
+ "a=rtpmap:101 telephone-event/8000\r\n",
+ }
+ }
+ },
+
+ /* test 12: */
+ {
+ /*********************************************************************
+ * Ticket #527: More lenient SDP negotiator.
+ */
+
+ "Ticket #527 scenario #1: Partial answer",
+ 1,
+ {
+ {
+ LOCAL_OFFER,
+ /* Alice sends offer audio and video: */
+ "v=0\r\n"
+ "o=alice 2890844526 2890844526 IN IP4 host.atlanta.example.com\r\n"
+ "s=alice\r\n"
+ "c=IN IP4 host.atlanta.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 49170 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=video 4000 RTP/AVP 31\r\n"
+ "a=rtpmap:31 H261/90000\r\n",
+ /* Receive Bob's answer only audio: */
+ "v=0\r\n"
+ "o=bob 2808844564 2808844563 IN IP4 host.biloxi.example.com\r\n"
+ "s=bob\r\n"
+ "c=IN IP4 host.biloxi.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 49170 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n",
+ /* Alice's local SDP should be: */
+ "v=0\r\n"
+ "o=alice 2890844526 2890844526 IN IP4 host.atlanta.example.com\r\n"
+ "s=alice\r\n"
+ "c=IN IP4 host.atlanta.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 49170 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=video 0 RTP/AVP 31\r\n"
+ //"a=rtpmap:31 H261/90000\r\n" /* <-- this is not necessary (port 0) */
+ "",
+ }
+ }
+ },
+
+ /* test 13: */
+ {
+ /*********************************************************************
+ * Ticket #527: More lenient SDP negotiator.
+ */
+
+ "Ticket #527 scenario #1: Media mismatch in answer",
+ 1,
+ {
+ {
+ LOCAL_OFFER,
+ /* Alice sends offer audio and video: */
+ "v=0\r\n"
+ "o=alice 2890844526 2890844526 IN IP4 host.atlanta.example.com\r\n"
+ "s=alice\r\n"
+ "c=IN IP4 host.atlanta.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 3000 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=video 4000 RTP/AVP 31\r\n"
+ "a=rtpmap:31 H261/90000\r\n",
+ /* Receive Bob's answer two audio: */
+ "v=0\r\n"
+ "o=bob 2808844564 2808844563 IN IP4 host.biloxi.example.com\r\n"
+ "s=bob\r\n"
+ "c=IN IP4 host.biloxi.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 49170 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=audio 49172 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n",
+ /* Alice's local SDP should be: */
+ "v=0\r\n"
+ "o=alice 2890844526 2890844526 IN IP4 host.atlanta.example.com\r\n"
+ "s=alice\r\n"
+ "c=IN IP4 host.atlanta.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 3000 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=video 0 RTP/AVP 31\r\n"
+ //"a=rtpmap:31 H261/90000\r\n" /* <-- this is not necessary (port 0) */
+ "",
+ }
+ }
+ },
+
+ /* test 14: */
+ {
+ /*********************************************************************
+ * Ticket #527: More lenient SDP negotiator.
+ */
+
+ "Ticket #527 scenario #2: Modify offer - partial streams",
+ 2,
+ {
+ {
+ LOCAL_OFFER,
+ /* Alice sends offer: */
+ "v=0\r\n"
+ "o=alice 2890844526 2890844526 IN IP4 host.atlanta.example.com\r\n"
+ "s=alice\r\n"
+ "c=IN IP4 host.atlanta.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 3000 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=audio 3100 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=video 3200 RTP/AVP 31\r\n"
+ "a=rtpmap:31 H261/90000\r\n"
+ "",
+ /* Receive Bob's answer: */
+ "v=0\r\n"
+ "o=bob 2808844564 2808844563 IN IP4 host.biloxi.example.com\r\n"
+ "s=bob\r\n"
+ "c=IN IP4 host.biloxi.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 4000 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=audio 4100 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=video 4200 RTP/AVP 31\r\n"
+ "a=rtpmap:31 H261/90000\r\n"
+ "",
+ /* Alice's local SDP should be: */
+ "v=0\r\n"
+ "o=alice 2890844526 2890844526 IN IP4 host.atlanta.example.com\r\n"
+ "s=alice\r\n"
+ "c=IN IP4 host.atlanta.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 3000 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=audio 3100 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=video 3200 RTP/AVP 31\r\n"
+ "a=rtpmap:31 H261/90000\r\n"
+ "",
+ },
+ {
+ LOCAL_OFFER,
+ /* Alice modifies offer with only specify one audio: */
+ "v=0\r\n"
+ "o=alice 2890844526 2890844526 IN IP4 host.atlanta.example.com\r\n"
+ "s=alice\r\n"
+ "c=IN IP4 host.atlanta.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 5200 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "",
+ /* Receive Bob's answer: */
+ "v=0\r\n"
+ "o=bob 2808844564 2808844563 IN IP4 host.biloxi.example.com\r\n"
+ "s=bob\r\n"
+ "c=IN IP4 host.biloxi.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 7000 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=audio 0 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=video 0 RTP/AVP 31\r\n"
+ "a=rtpmap:31 H261/90000\r\n"
+ "",
+ /* Alice's local SDP should be: */
+ "v=0\r\n"
+ "o=alice 2890844526 2890844527 IN IP4 host.atlanta.example.com\r\n"
+ "s=alice\r\n"
+ "c=IN IP4 host.atlanta.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 5200 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=audio 0 RTP/AVP 0\r\n"
+ //"a=rtpmap:0 PCMU/8000\r\n" /* <-- this is not necessary (port 0) */
+ "m=video 0 RTP/AVP 31\r\n"
+ //"a=rtpmap:31 H261/90000\r\n" /* <-- this is not necessary (port 0) */
+ "",
+ }
+ }
+ },
+
+ /* test 15: */
+ {
+ /*********************************************************************
+ * Ticket #527: More lenient SDP negotiator.
+ */
+
+ "Ticket #527 scenario #2: Modify offer - unordered m= lines",
+ 2,
+ {
+ {
+ LOCAL_OFFER,
+ /* Alice sends offer: */
+ "v=0\r\n"
+ "o=alice 2890844526 2890844526 IN IP4 host.atlanta.example.com\r\n"
+ "s=alice\r\n"
+ "c=IN IP4 host.atlanta.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 3000 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=video 3200 RTP/AVP 31\r\n"
+ "a=rtpmap:31 H261/90000\r\n"
+ "",
+ /* Receive Bob's answer: */
+ "v=0\r\n"
+ "o=bob 2808844564 2808844563 IN IP4 host.biloxi.example.com\r\n"
+ "s=bob\r\n"
+ "c=IN IP4 host.biloxi.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 4000 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=video 4200 RTP/AVP 31\r\n"
+ "a=rtpmap:31 H261/90000\r\n"
+ "",
+ /* Alice's local SDP should be: */
+ "v=0\r\n"
+ "o=alice 2890844526 2890844526 IN IP4 host.atlanta.example.com\r\n"
+ "s=alice\r\n"
+ "c=IN IP4 host.atlanta.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 3000 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=video 3200 RTP/AVP 31\r\n"
+ "a=rtpmap:31 H261/90000\r\n"
+ "",
+ },
+ {
+ LOCAL_OFFER,
+ /* Alice modifies offer with unordered m= lines: */
+ "v=0\r\n"
+ "o=alice 2890844526 2890844526 IN IP4 host.atlanta.example.com\r\n"
+ "s=alice\r\n"
+ "c=IN IP4 host.atlanta.example.com\r\n"
+ "t=0 0\r\n"
+ "m=video 5000 RTP/AVP 31\r\n"
+ "a=rtpmap:31 H261/90000\r\n"
+ "m=audio 5200 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "",
+ /* Receive Bob's answer: */
+ "v=0\r\n"
+ "o=bob 2808844564 2808844563 IN IP4 host.biloxi.example.com\r\n"
+ "s=bob\r\n"
+ "c=IN IP4 host.biloxi.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 7000 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=video 2000 RTP/AVP 31\r\n"
+ "a=rtpmap:31 H261/90000\r\n"
+ "",
+ /* Alice's local SDP should be: */
+ "v=0\r\n"
+ "o=alice 2890844526 2890844527 IN IP4 host.atlanta.example.com\r\n"
+ "s=alice\r\n"
+ "c=IN IP4 host.atlanta.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 5200 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=video 5000 RTP/AVP 31\r\n"
+ "a=rtpmap:31 H261/90000\r\n"
+ "",
+ }
+ }
+ },
+
+ /* test 16: */
+ {
+ /*********************************************************************
+ * Ticket #527: More lenient SDP negotiator.
+ */
+
+ "Ticket #527 scenario #2: Modify offer - partial & unordered streams",
+ 2,
+ {
+ {
+ LOCAL_OFFER,
+ /* Alice sends offer: */
+ "v=0\r\n"
+ "o=alice 2890844526 2890844526 IN IP4 host.atlanta.example.com\r\n"
+ "s=alice\r\n"
+ "c=IN IP4 host.atlanta.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 3000 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=audio 3200 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=video 3400 RTP/AVP 31\r\n"
+ "a=rtpmap:31 H261/90000\r\n"
+ "",
+ /* Receive Bob's answer: */
+ "v=0\r\n"
+ "o=bob 2808844564 2808844563 IN IP4 host.biloxi.example.com\r\n"
+ "s=bob\r\n"
+ "c=IN IP4 host.biloxi.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 4000 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=audio 4200 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=video 4400 RTP/AVP 31\r\n"
+ "a=rtpmap:31 H261/90000\r\n"
+ "",
+ /* Alice's local SDP should be: */
+ "v=0\r\n"
+ "o=alice 2890844526 2890844526 IN IP4 host.atlanta.example.com\r\n"
+ "s=alice\r\n"
+ "c=IN IP4 host.atlanta.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 3000 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=audio 3200 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=video 3400 RTP/AVP 31\r\n"
+ "a=rtpmap:31 H261/90000\r\n"
+ "",
+ },
+ {
+ LOCAL_OFFER,
+ /* Alice modifies offer by specifying partial and unordered media: */
+ "v=0\r\n"
+ "o=alice 2890844526 2890844526 IN IP4 host.atlanta.example.com\r\n"
+ "s=alice\r\n"
+ "c=IN IP4 host.atlanta.example.com\r\n"
+ "t=0 0\r\n"
+ "m=video 5000 RTP/AVP 31\r\n"
+ "a=rtpmap:31 H261/90000\r\n"
+ "m=audio 7000 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "",
+ /* Receive Bob's answer: */
+ "v=0\r\n"
+ "o=bob 2808844564 2808844563 IN IP4 host.biloxi.example.com\r\n"
+ "s=bob\r\n"
+ "c=IN IP4 host.biloxi.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 4000 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=audio 0 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=video 4400 RTP/AVP 31\r\n"
+ "a=rtpmap:31 H261/90000\r\n"
+ "",
+ /* Alice's local SDP should be: */
+ "v=0\r\n"
+ "o=alice 2890844526 2890844527 IN IP4 host.atlanta.example.com\r\n"
+ "s=alice\r\n"
+ "c=IN IP4 host.atlanta.example.com\r\n"
+ "t=0 0\r\n"
+ "m=audio 7000 RTP/AVP 0\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n"
+ "m=audio 0 RTP/AVP 0\r\n"
+ //"a=rtpmap:0 PCMU/8000\r\n" /* <-- this is not necessary (port 0) */
+ "m=video 5000 RTP/AVP 31\r\n"
+ "a=rtpmap:31 H261/90000\r\n"
+ "",
+ }
+ }
+ },
+
+};
+
+static const char *find_diff(const char *s1, const char *s2,
+ int *line)
+{
+ *line = 1;
+ while (*s2 && *s1) {
+ if (*s2 != *s1)
+ return s2;
+ if (*s2 == '\n')
+ ++*line;
+ ++s2, ++s1;
+ }
+
+ return s2;
+}
+
+static int compare_sdp_string(const char *cmp_title,
+ const char *title1,
+ const pjmedia_sdp_session *sdp1,
+ const char *title2,
+ const pjmedia_sdp_session *sdp2,
+ pj_status_t logical_cmp)
+{
+ char sdpbuf1[1024], sdpbuf2[1024];
+ pj_ssize_t len1, len2;
+
+ len1 = pjmedia_sdp_print(sdp1, sdpbuf1, sizeof(sdpbuf1));
+ if (len1 < 1) {
+ PJ_LOG(3,(THIS_FILE," error: printing sdp1"));
+ return -1;
+ }
+ sdpbuf1[len1] = '\0';
+
+ len2 = pjmedia_sdp_print(sdp2, sdpbuf2, sizeof(sdpbuf2));
+ if (len2 < 1) {
+ PJ_LOG(3,(THIS_FILE," error: printing sdp2"));
+ return -1;
+ }
+ sdpbuf2[len2] = '\0';
+
+ if (logical_cmp != PJ_SUCCESS) {
+ char errbuf[80];
+
+ pjmedia_strerror(logical_cmp, errbuf, sizeof(errbuf));
+
+ PJ_LOG(3,(THIS_FILE,"%s mismatch: %s\n"
+ "%s:\n"
+ "%s\n"
+ "%s:\n"
+ "%s\n",
+ cmp_title,
+ errbuf,
+ title1, sdpbuf1,
+ title2, sdpbuf2));
+
+ return -1;
+
+ } else if (strcmp(sdpbuf1, sdpbuf2) != 0) {
+ int line;
+ const char *diff;
+
+ PJ_LOG(3,(THIS_FILE,"%s mismatch:\n"
+ "%s:\n"
+ "%s\n"
+ "%s:\n"
+ "%s\n",
+ cmp_title,
+ title1, sdpbuf1,
+ title2, sdpbuf2));
+
+ diff = find_diff(sdpbuf1, sdpbuf2, &line);
+ PJ_LOG(3,(THIS_FILE,"Difference: line %d:\n"
+ "%s",
+ line, diff));
+ return -1;
+
+ } else {
+ return 0;
+ }
+
+}
+
+static int offer_answer_test(pj_pool_t *pool, pjmedia_sdp_neg **p_neg,
+ struct offer_answer *oa)
+{
+ pjmedia_sdp_session *sdp1;
+ pjmedia_sdp_neg *neg;
+ pj_status_t status;
+
+ status = pjmedia_sdp_parse(pool, oa->sdp1, pj_ansi_strlen(oa->sdp1),
+ &sdp1);
+ if (status != PJ_SUCCESS) {
+ app_perror(status, " error: unexpected parse status for sdp1");
+ return -10;
+ }
+
+ status = pjmedia_sdp_validate(sdp1);
+ if (status != PJ_SUCCESS) {
+ app_perror(status, " error: sdp1 validation failed");
+ return -15;
+ }
+
+ neg = *p_neg;
+
+ if (oa->type == LOCAL_OFFER) {
+
+ /*
+ * Local creates offer first.
+ */
+ pjmedia_sdp_session *sdp2, *sdp3;
+ const pjmedia_sdp_session *active;
+
+ if (neg == NULL) {
+ /* Create negotiator with local offer. */
+ status = pjmedia_sdp_neg_create_w_local_offer(pool, sdp1, &neg);
+ if (status != PJ_SUCCESS) {
+ app_perror(status, " error: pjmedia_sdp_neg_create_w_local_offer");
+ return -20;
+ }
+ *p_neg = neg;
+
+ } else {
+ /* Modify local offer */
+ status = pjmedia_sdp_neg_modify_local_offer(pool, neg, sdp1);
+ if (status != PJ_SUCCESS) {
+ app_perror(status, " error: pjmedia_sdp_neg_modify_local_offer");
+ return -30;
+ }
+ }
+
+ /* Parse and validate remote answer */
+ status = pjmedia_sdp_parse(pool, oa->sdp2, pj_ansi_strlen(oa->sdp2),
+ &sdp2);
+ if (status != PJ_SUCCESS) {
+ app_perror(status, " error: parsing sdp2");
+ return -40;
+ }
+
+ status = pjmedia_sdp_validate(sdp2);
+ if (status != PJ_SUCCESS) {
+ app_perror(status, " error: sdp2 validation failed");
+ return -50;
+ }
+
+ /* Give the answer to negotiator. */
+ status = pjmedia_sdp_neg_set_remote_answer(pool, neg, sdp2);
+ if (status != PJ_SUCCESS) {
+ app_perror(status, " error: pjmedia_sdp_neg_rx_remote_answer");
+ return -60;
+ }
+
+ /* Negotiate remote answer with local answer */
+ status = pjmedia_sdp_neg_negotiate(pool, neg, 0);
+ if (status != PJ_SUCCESS) {
+ app_perror(status, " error: pjmedia_sdp_neg_negotiate");
+ return -70;
+ }
+
+ /* Get the local active media. */
+ status = pjmedia_sdp_neg_get_active_local(neg, &active);
+ if (status != PJ_SUCCESS) {
+ app_perror(status, " error: pjmedia_sdp_neg_get_local");
+ return -80;
+ }
+
+ /* Parse and validate the correct active media. */
+ status = pjmedia_sdp_parse(pool, oa->sdp3, pj_ansi_strlen(oa->sdp3),
+ &sdp3);
+ if (status != PJ_SUCCESS) {
+ app_perror(status, " error: parsing sdp3");
+ return -90;
+ }
+
+ status = pjmedia_sdp_validate(sdp3);
+ if (status != PJ_SUCCESS) {
+ app_perror(status, " error: sdp3 validation failed");
+ return -100;
+ }
+
+ /* Compare active with sdp3 */
+ status = pjmedia_sdp_session_cmp(active, sdp3, 0);
+ if (status != PJ_SUCCESS) {
+ app_perror(status, " error: active local comparison mismatch");
+ compare_sdp_string("Logical cmp after negotiatin remote answer",
+ "Active local sdp from negotiator", active,
+ "The correct active local sdp", sdp3,
+ status);
+ return -110;
+ }
+
+ /* Compare the string representation oa both sdps */
+ status = compare_sdp_string("String cmp after negotiatin remote answer",
+ "Active local sdp from negotiator", active,
+ "The correct active local sdp", sdp3,
+ PJ_SUCCESS);
+ if (status != 0)
+ return -120;
+
+ } else {
+ /*
+ * Remote creates offer first.
+ */
+
+ pjmedia_sdp_session *sdp2 = NULL, *sdp3;
+ const pjmedia_sdp_session *answer;
+
+ if (oa->sdp2) {
+ /* Parse and validate initial local capability */
+ status = pjmedia_sdp_parse(pool, oa->sdp2, pj_ansi_strlen(oa->sdp2),
+ &sdp2);
+ if (status != PJ_SUCCESS) {
+ app_perror(status, " error: parsing sdp2");
+ return -200;
+ }
+
+ status = pjmedia_sdp_validate(sdp2);
+ if (status != PJ_SUCCESS) {
+ app_perror(status, " error: sdp2 validation failed");
+ return -210;
+ }
+ } else if (neg) {
+ const pjmedia_sdp_session *lsdp;
+ status = pjmedia_sdp_neg_get_active_local(neg, &lsdp);
+ if (status != PJ_SUCCESS) {
+ app_perror(status,
+ " error: pjmedia_sdp_neg_get_active_local");
+ return -215;
+ }
+ sdp2 = (pjmedia_sdp_session*)lsdp;
+ }
+
+ if (neg == NULL) {
+ /* Create negotiator with remote offer. */
+ status = pjmedia_sdp_neg_create_w_remote_offer(pool, sdp2, sdp1, &neg);
+ if (status != PJ_SUCCESS) {
+ app_perror(status, " error: pjmedia_sdp_neg_create_w_remote_offer");
+ return -220;
+ }
+ *p_neg = neg;
+
+ } else {
+ /* Received subsequent offer from remote. */
+ status = pjmedia_sdp_neg_set_remote_offer(pool, neg, sdp1);
+ if (status != PJ_SUCCESS) {
+ app_perror(status, " error: pjmedia_sdp_neg_rx_remote_offer");
+ return -230;
+ }
+
+ status = pjmedia_sdp_neg_set_local_answer(pool, neg, sdp2);
+ if (status != PJ_SUCCESS) {
+ app_perror(status, " error: pjmedia_sdp_neg_set_local_answer");
+ return -235;
+ }
+ }
+
+ /* Negotiate. */
+ status = pjmedia_sdp_neg_negotiate(pool, neg, 0);
+ if (status != PJ_SUCCESS) {
+ app_perror(status, " error: pjmedia_sdp_neg_negotiate");
+ return -240;
+ }
+
+ /* Get our answer. */
+ status = pjmedia_sdp_neg_get_active_local(neg, &answer);
+ if (status != PJ_SUCCESS) {
+ app_perror(status, " error: pjmedia_sdp_neg_get_local");
+ return -250;
+ }
+
+ /* Parse the correct answer. */
+ status = pjmedia_sdp_parse(pool, oa->sdp3, pj_ansi_strlen(oa->sdp3),
+ &sdp3);
+ if (status != PJ_SUCCESS) {
+ app_perror(status, " error: parsing sdp3");
+ return -260;
+ }
+
+ /* Validate the correct answer. */
+ status = pjmedia_sdp_validate(sdp3);
+ if (status != PJ_SUCCESS) {
+ app_perror(status, " error: sdp3 validation failed");
+ return -270;
+ }
+
+ /* Compare answer from negotiator and the correct answer */
+ status = pjmedia_sdp_session_cmp(sdp3, answer, 0);
+ if (status != PJ_SUCCESS) {
+ compare_sdp_string("Logical cmp after negotiating remote offer",
+ "Local answer from negotiator", answer,
+ "The correct local answer", sdp3,
+ status);
+
+ return -280;
+ }
+
+ /* Compare the string representation oa both answers */
+ status = compare_sdp_string("String cmp after negotiating remote offer",
+ "Local answer from negotiator", answer,
+ "The correct local answer", sdp3,
+ PJ_SUCCESS);
+ if (status != 0)
+ return -290;
+
+ }
+
+ return 0;
+}
+
+static int perform_test(pj_pool_t *pool, int test_index)
+{
+ pjmedia_sdp_neg *neg = NULL;
+ unsigned i;
+ int rc;
+
+ for (i=0; i<test[test_index].offer_answer_count; ++i) {
+
+ rc = offer_answer_test(pool, &neg, &test[test_index].offer_answer[i]);
+ if (rc != 0) {
+ PJ_LOG(3,(THIS_FILE, " test %d offer answer %d failed with status %d",
+ test_index, i, rc));
+ return rc;
+ }
+ }
+
+ return 0;
+}
+
+int sdp_neg_test()
+{
+ unsigned i;
+ int status;
+
+ for (i=START_TEST; i<PJ_ARRAY_SIZE(test); ++i) {
+ pj_pool_t *pool;
+
+ pool = pj_pool_create(mem, "sdp_neg_test", 4000, 4000, NULL);
+ if (!pool)
+ return PJ_ENOMEM;
+
+ PJ_LOG(3,(THIS_FILE," test %d: %s", i, test[i].title));
+ status = perform_test(pool, i);
+
+ pj_pool_release(pool);
+
+ if (status != 0) {
+ return status;
+ }
+ }
+
+ return 0;
+}
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-25 22:54:45 +0000