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-rw-r--r--third_party/libwebrtc/pc/webrtc_sdp_unittest.cc4982
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diff --git a/third_party/libwebrtc/pc/webrtc_sdp_unittest.cc b/third_party/libwebrtc/pc/webrtc_sdp_unittest.cc
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+++ b/third_party/libwebrtc/pc/webrtc_sdp_unittest.cc
@@ -0,0 +1,4982 @@
+/*
+ * Copyright 2011 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include <stdio.h>
+#include <string.h>
+
+#include <cstdint>
+#include <map>
+#include <memory>
+#include <sstream>
+#include <string>
+#include <utility>
+#include <vector>
+
+#include "absl/algorithm/container.h"
+#include "absl/memory/memory.h"
+#include "absl/strings/str_replace.h"
+#include "absl/strings/string_view.h"
+#include "absl/types/optional.h"
+#include "api/array_view.h"
+#include "api/crypto_params.h"
+#include "api/jsep_session_description.h"
+#include "api/media_types.h"
+#include "api/rtp_parameters.h"
+#include "api/rtp_transceiver_direction.h"
+#include "media/base/codec.h"
+#include "media/base/media_constants.h"
+#include "media/base/rid_description.h"
+#include "media/base/stream_params.h"
+#include "p2p/base/p2p_constants.h"
+#include "p2p/base/port.h"
+#include "p2p/base/transport_description.h"
+#include "p2p/base/transport_info.h"
+#include "pc/media_protocol_names.h"
+#include "pc/media_session.h"
+#include "pc/session_description.h"
+#include "pc/simulcast_description.h"
+#include "rtc_base/checks.h"
+#include "rtc_base/message_digest.h"
+#include "rtc_base/socket_address.h"
+#include "rtc_base/ssl_fingerprint.h"
+#include "rtc_base/string_encode.h"
+#include "test/gmock.h"
+#include "test/gtest.h"
+
+#ifdef WEBRTC_ANDROID
+#include "pc/test/android_test_initializer.h"
+#endif
+#include "pc/webrtc_sdp.h"
+
+using cricket::AudioCodec;
+using cricket::AudioContentDescription;
+using cricket::Candidate;
+using cricket::ContentGroup;
+using cricket::ContentInfo;
+using cricket::CryptoParams;
+using cricket::ICE_CANDIDATE_COMPONENT_RTCP;
+using cricket::ICE_CANDIDATE_COMPONENT_RTP;
+using cricket::kFecSsrcGroupSemantics;
+using cricket::LOCAL_PORT_TYPE;
+using cricket::MediaProtocolType;
+using cricket::RELAY_PORT_TYPE;
+using cricket::RidDescription;
+using cricket::RidDirection;
+using cricket::SctpDataContentDescription;
+using cricket::SessionDescription;
+using cricket::SimulcastDescription;
+using cricket::SimulcastLayer;
+using cricket::StreamParams;
+using cricket::STUN_PORT_TYPE;
+using cricket::TransportDescription;
+using cricket::TransportInfo;
+using cricket::VideoCodec;
+using cricket::VideoContentDescription;
+using ::testing::ElementsAre;
+using ::testing::Field;
+using webrtc::IceCandidateCollection;
+using webrtc::IceCandidateInterface;
+using webrtc::JsepIceCandidate;
+using webrtc::JsepSessionDescription;
+using webrtc::RtpExtension;
+using webrtc::RtpTransceiverDirection;
+using webrtc::SdpParseError;
+using webrtc::SdpType;
+using webrtc::SessionDescriptionInterface;
+
+typedef std::vector<AudioCodec> AudioCodecs;
+typedef std::vector<Candidate> Candidates;
+
+static const uint32_t kDefaultSctpPort = 5000;
+static const uint16_t kUnusualSctpPort = 9556;
+static const char kSessionTime[] = "t=0 0\r\n";
+static const uint32_t kCandidatePriority = 2130706432U; // pref = 1.0
+static const char kAttributeIceUfragVoice[] = "a=ice-ufrag:ufrag_voice\r\n";
+static const char kAttributeIcePwdVoice[] = "a=ice-pwd:pwd_voice\r\n";
+static const char kAttributeIceUfragVideo[] = "a=ice-ufrag:ufrag_video\r\n";
+static const char kAttributeIcePwdVideo[] = "a=ice-pwd:pwd_video\r\n";
+static const uint32_t kCandidateGeneration = 2;
+static const char kCandidateFoundation1[] = "a0+B/1";
+static const char kCandidateFoundation2[] = "a0+B/2";
+static const char kCandidateFoundation3[] = "a0+B/3";
+static const char kCandidateFoundation4[] = "a0+B/4";
+static const char kAttributeCryptoVoice[] =
+ "a=crypto:1 AES_CM_128_HMAC_SHA1_32 "
+ "inline:NzB4d1BINUAvLEw6UzF3WSJ+PSdFcGdUJShpX1Zj|2^20|1:32 "
+ "dummy_session_params\r\n";
+static const char kAttributeCryptoVideo[] =
+ "a=crypto:1 AES_CM_128_HMAC_SHA1_80 "
+ "inline:d0RmdmcmVCspeEc3QGZiNWpVLFJhQX1cfHAwJSoj|2^20|1:32\r\n";
+static const char kFingerprint[] =
+ "a=fingerprint:sha-1 "
+ "4A:AD:B9:B1:3F:82:18:3B:54:02:12:DF:3E:5D:49:6B:19:E5:7C:AB\r\n";
+static const char kExtmapAllowMixed[] = "a=extmap-allow-mixed\r\n";
+static const int kExtmapId = 1;
+static const char kExtmapUri[] = "http://example.com/082005/ext.htm#ttime";
+static const char kExtmap[] =
+ "a=extmap:1 http://example.com/082005/ext.htm#ttime\r\n";
+static const char kExtmapWithDirectionAndAttribute[] =
+ "a=extmap:1/sendrecv http://example.com/082005/ext.htm#ttime a1 a2\r\n";
+static const char kExtmapWithDirectionAndAttributeEncrypted[] =
+ "a=extmap:1/sendrecv urn:ietf:params:rtp-hdrext:encrypt "
+ "http://example.com/082005/ext.htm#ttime a1 a2\r\n";
+
+static const uint8_t kIdentityDigest[] = {
+ 0x4A, 0xAD, 0xB9, 0xB1, 0x3F, 0x82, 0x18, 0x3B, 0x54, 0x02,
+ 0x12, 0xDF, 0x3E, 0x5D, 0x49, 0x6B, 0x19, 0xE5, 0x7C, 0xAB};
+
+static const char kDtlsSctp[] = "DTLS/SCTP";
+static const char kUdpDtlsSctp[] = "UDP/DTLS/SCTP";
+static const char kTcpDtlsSctp[] = "TCP/DTLS/SCTP";
+
+struct CodecParams {
+ int max_ptime;
+ int ptime;
+ int min_ptime;
+ int sprop_stereo;
+ int stereo;
+ int useinband;
+ int maxaveragebitrate;
+};
+
+// TODO(deadbeef): In these reference strings, use "a=fingerprint" by default
+// instead of "a=crypto", and have an explicit test for adding "a=crypto".
+// Currently it's the other way around.
+
+// Reference sdp string
+static const char kSdpFullString[] =
+ "v=0\r\n"
+ "o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
+ "s=-\r\n"
+ "t=0 0\r\n"
+ "a=extmap-allow-mixed\r\n"
+ "a=msid-semantic: WMS local_stream_1\r\n"
+ "m=audio 2345 RTP/SAVPF 111 103 104\r\n"
+ "c=IN IP4 74.125.127.126\r\n"
+ "a=rtcp:2347 IN IP4 74.125.127.126\r\n"
+ "a=candidate:a0+B/1 1 udp 2130706432 192.168.1.5 1234 typ host "
+ "generation 2\r\n"
+ "a=candidate:a0+B/1 2 udp 2130706432 192.168.1.5 1235 typ host "
+ "generation 2\r\n"
+ "a=candidate:a0+B/2 1 udp 2130706432 ::1 1238 typ host "
+ "generation 2\r\n"
+ "a=candidate:a0+B/2 2 udp 2130706432 ::1 1239 typ host "
+ "generation 2\r\n"
+ "a=candidate:a0+B/3 1 udp 2130706432 74.125.127.126 2345 typ srflx "
+ "raddr 192.168.1.5 rport 2346 "
+ "generation 2\r\n"
+ "a=candidate:a0+B/3 2 udp 2130706432 74.125.127.126 2347 typ srflx "
+ "raddr 192.168.1.5 rport 2348 "
+ "generation 2\r\n"
+ "a=ice-ufrag:ufrag_voice\r\na=ice-pwd:pwd_voice\r\n"
+ "a=mid:audio_content_name\r\n"
+ "a=sendrecv\r\n"
+ "a=rtcp-mux\r\n"
+ "a=rtcp-rsize\r\n"
+ "a=crypto:1 AES_CM_128_HMAC_SHA1_32 "
+ "inline:NzB4d1BINUAvLEw6UzF3WSJ+PSdFcGdUJShpX1Zj|2^20|1:32 "
+ "dummy_session_params\r\n"
+ "a=rtpmap:111 opus/48000/2\r\n"
+ "a=rtpmap:103 ISAC/16000\r\n"
+ "a=rtpmap:104 ISAC/32000\r\n"
+ "a=ssrc:1 cname:stream_1_cname\r\n"
+ "a=ssrc:1 msid:local_stream_1 audio_track_id_1\r\n"
+ "m=video 3457 RTP/SAVPF 120\r\n"
+ "c=IN IP4 74.125.224.39\r\n"
+ "a=rtcp:3456 IN IP4 74.125.224.39\r\n"
+ "a=candidate:a0+B/1 2 udp 2130706432 192.168.1.5 1236 typ host "
+ "generation 2\r\n"
+ "a=candidate:a0+B/1 1 udp 2130706432 192.168.1.5 1237 typ host "
+ "generation 2\r\n"
+ "a=candidate:a0+B/2 2 udp 2130706432 ::1 1240 typ host "
+ "generation 2\r\n"
+ "a=candidate:a0+B/2 1 udp 2130706432 ::1 1241 typ host "
+ "generation 2\r\n"
+ "a=candidate:a0+B/4 2 udp 2130706432 74.125.224.39 3456 typ relay "
+ "generation 2\r\n"
+ "a=candidate:a0+B/4 1 udp 2130706432 74.125.224.39 3457 typ relay "
+ "generation 2\r\n"
+ "a=ice-ufrag:ufrag_video\r\na=ice-pwd:pwd_video\r\n"
+ "a=mid:video_content_name\r\n"
+ "a=sendrecv\r\n"
+ "a=crypto:1 AES_CM_128_HMAC_SHA1_80 "
+ "inline:d0RmdmcmVCspeEc3QGZiNWpVLFJhQX1cfHAwJSoj|2^20|1:32\r\n"
+ "a=rtpmap:120 VP8/90000\r\n"
+ "a=ssrc-group:FEC 2 3\r\n"
+ "a=ssrc:2 cname:stream_1_cname\r\n"
+ "a=ssrc:2 msid:local_stream_1 video_track_id_1\r\n"
+ "a=ssrc:3 cname:stream_1_cname\r\n"
+ "a=ssrc:3 msid:local_stream_1 video_track_id_1\r\n";
+
+// SDP reference string without the candidates.
+static const char kSdpString[] =
+ "v=0\r\n"
+ "o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
+ "s=-\r\n"
+ "t=0 0\r\n"
+ "a=extmap-allow-mixed\r\n"
+ "a=msid-semantic: WMS local_stream_1\r\n"
+ "m=audio 9 RTP/SAVPF 111 103 104\r\n"
+ "c=IN IP4 0.0.0.0\r\n"
+ "a=rtcp:9 IN IP4 0.0.0.0\r\n"
+ "a=ice-ufrag:ufrag_voice\r\na=ice-pwd:pwd_voice\r\n"
+ "a=mid:audio_content_name\r\n"
+ "a=sendrecv\r\n"
+ "a=rtcp-mux\r\n"
+ "a=rtcp-rsize\r\n"
+ "a=crypto:1 AES_CM_128_HMAC_SHA1_32 "
+ "inline:NzB4d1BINUAvLEw6UzF3WSJ+PSdFcGdUJShpX1Zj|2^20|1:32 "
+ "dummy_session_params\r\n"
+ "a=rtpmap:111 opus/48000/2\r\n"
+ "a=rtpmap:103 ISAC/16000\r\n"
+ "a=rtpmap:104 ISAC/32000\r\n"
+ "a=ssrc:1 cname:stream_1_cname\r\n"
+ "a=ssrc:1 msid:local_stream_1 audio_track_id_1\r\n"
+ "m=video 9 RTP/SAVPF 120\r\n"
+ "c=IN IP4 0.0.0.0\r\n"
+ "a=rtcp:9 IN IP4 0.0.0.0\r\n"
+ "a=ice-ufrag:ufrag_video\r\na=ice-pwd:pwd_video\r\n"
+ "a=mid:video_content_name\r\n"
+ "a=sendrecv\r\n"
+ "a=crypto:1 AES_CM_128_HMAC_SHA1_80 "
+ "inline:d0RmdmcmVCspeEc3QGZiNWpVLFJhQX1cfHAwJSoj|2^20|1:32\r\n"
+ "a=rtpmap:120 VP8/90000\r\n"
+ "a=ssrc-group:FEC 2 3\r\n"
+ "a=ssrc:2 cname:stream_1_cname\r\n"
+ "a=ssrc:2 msid:local_stream_1 video_track_id_1\r\n"
+ "a=ssrc:3 cname:stream_1_cname\r\n"
+ "a=ssrc:3 msid:local_stream_1 video_track_id_1\r\n";
+
+// draft-ietf-mmusic-sctp-sdp-03
+static const char kSdpSctpDataChannelString[] =
+ "m=application 9 UDP/DTLS/SCTP 5000\r\n"
+ "c=IN IP4 0.0.0.0\r\n"
+ "a=ice-ufrag:ufrag_data\r\n"
+ "a=ice-pwd:pwd_data\r\n"
+ "a=mid:data_content_name\r\n"
+ "a=sctpmap:5000 webrtc-datachannel 1024\r\n";
+
+// draft-ietf-mmusic-sctp-sdp-12
+// Note - this is invalid per draft-ietf-mmusic-sctp-sdp-26,
+// since the separator after "sctp-port" needs to be a colon.
+static const char kSdpSctpDataChannelStringWithSctpPort[] =
+ "m=application 9 UDP/DTLS/SCTP webrtc-datachannel\r\n"
+ "a=sctp-port 5000\r\n"
+ "c=IN IP4 0.0.0.0\r\n"
+ "a=ice-ufrag:ufrag_data\r\n"
+ "a=ice-pwd:pwd_data\r\n"
+ "a=mid:data_content_name\r\n";
+
+// draft-ietf-mmusic-sctp-sdp-26
+static const char kSdpSctpDataChannelStringWithSctpColonPort[] =
+ "m=application 9 UDP/DTLS/SCTP webrtc-datachannel\r\n"
+ "a=sctp-port:5000\r\n"
+ "c=IN IP4 0.0.0.0\r\n"
+ "a=ice-ufrag:ufrag_data\r\n"
+ "a=ice-pwd:pwd_data\r\n"
+ "a=mid:data_content_name\r\n";
+
+static const char kSdpSctpDataChannelWithCandidatesString[] =
+ "m=application 2345 UDP/DTLS/SCTP 5000\r\n"
+ "c=IN IP4 74.125.127.126\r\n"
+ "a=candidate:a0+B/1 1 udp 2130706432 192.168.1.5 1234 typ host "
+ "generation 2\r\n"
+ "a=candidate:a0+B/2 1 udp 2130706432 ::1 1238 typ host "
+ "generation 2\r\n"
+ "a=candidate:a0+B/3 1 udp 2130706432 74.125.127.126 2345 typ srflx "
+ "raddr 192.168.1.5 rport 2346 "
+ "generation 2\r\n"
+ "a=ice-ufrag:ufrag_data\r\n"
+ "a=ice-pwd:pwd_data\r\n"
+ "a=mid:data_content_name\r\n"
+ "a=sctpmap:5000 webrtc-datachannel 1024\r\n";
+
+static const char kSdpConferenceString[] =
+ "v=0\r\n"
+ "o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
+ "s=-\r\n"
+ "t=0 0\r\n"
+ "a=msid-semantic: WMS\r\n"
+ "m=audio 9 RTP/SAVPF 111 103 104\r\n"
+ "c=IN IP4 0.0.0.0\r\n"
+ "a=x-google-flag:conference\r\n"
+ "m=video 9 RTP/SAVPF 120\r\n"
+ "c=IN IP4 0.0.0.0\r\n"
+ "a=x-google-flag:conference\r\n";
+
+static const char kSdpSessionString[] =
+ "v=0\r\n"
+ "o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
+ "s=-\r\n"
+ "t=0 0\r\n"
+ "a=msid-semantic: WMS local_stream\r\n";
+
+static const char kSdpAudioString[] =
+ "m=audio 9 RTP/SAVPF 111\r\n"
+ "c=IN IP4 0.0.0.0\r\n"
+ "a=rtcp:9 IN IP4 0.0.0.0\r\n"
+ "a=ice-ufrag:ufrag_voice\r\na=ice-pwd:pwd_voice\r\n"
+ "a=mid:audio_content_name\r\n"
+ "a=sendrecv\r\n"
+ "a=rtpmap:111 opus/48000/2\r\n"
+ "a=ssrc:1 cname:stream_1_cname\r\n"
+ "a=ssrc:1 msid:local_stream audio_track_id_1\r\n";
+
+static const char kSdpVideoString[] =
+ "m=video 9 RTP/SAVPF 120\r\n"
+ "c=IN IP4 0.0.0.0\r\n"
+ "a=rtcp:9 IN IP4 0.0.0.0\r\n"
+ "a=ice-ufrag:ufrag_video\r\na=ice-pwd:pwd_video\r\n"
+ "a=mid:video_content_name\r\n"
+ "a=sendrecv\r\n"
+ "a=rtpmap:120 VP8/90000\r\n"
+ "a=ssrc:2 cname:stream_1_cname\r\n"
+ "a=ssrc:2 msid:local_stream video_track_id_1\r\n";
+
+// Reference sdp string using bundle-only.
+static const char kBundleOnlySdpFullString[] =
+ "v=0\r\n"
+ "o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
+ "s=-\r\n"
+ "t=0 0\r\n"
+ "a=extmap-allow-mixed\r\n"
+ "a=group:BUNDLE audio_content_name video_content_name\r\n"
+ "a=msid-semantic: WMS local_stream_1\r\n"
+ "m=audio 2345 RTP/SAVPF 111 103 104\r\n"
+ "c=IN IP4 74.125.127.126\r\n"
+ "a=rtcp:2347 IN IP4 74.125.127.126\r\n"
+ "a=candidate:a0+B/1 1 udp 2130706432 192.168.1.5 1234 typ host "
+ "generation 2\r\n"
+ "a=candidate:a0+B/1 2 udp 2130706432 192.168.1.5 1235 typ host "
+ "generation 2\r\n"
+ "a=candidate:a0+B/2 1 udp 2130706432 ::1 1238 typ host "
+ "generation 2\r\n"
+ "a=candidate:a0+B/2 2 udp 2130706432 ::1 1239 typ host "
+ "generation 2\r\n"
+ "a=candidate:a0+B/3 1 udp 2130706432 74.125.127.126 2345 typ srflx "
+ "raddr 192.168.1.5 rport 2346 "
+ "generation 2\r\n"
+ "a=candidate:a0+B/3 2 udp 2130706432 74.125.127.126 2347 typ srflx "
+ "raddr 192.168.1.5 rport 2348 "
+ "generation 2\r\n"
+ "a=ice-ufrag:ufrag_voice\r\na=ice-pwd:pwd_voice\r\n"
+ "a=mid:audio_content_name\r\n"
+ "a=sendrecv\r\n"
+ "a=rtcp-mux\r\n"
+ "a=rtcp-rsize\r\n"
+ "a=crypto:1 AES_CM_128_HMAC_SHA1_32 "
+ "inline:NzB4d1BINUAvLEw6UzF3WSJ+PSdFcGdUJShpX1Zj|2^20|1:32 "
+ "dummy_session_params\r\n"
+ "a=rtpmap:111 opus/48000/2\r\n"
+ "a=rtpmap:103 ISAC/16000\r\n"
+ "a=rtpmap:104 ISAC/32000\r\n"
+ "a=ssrc:1 cname:stream_1_cname\r\n"
+ "a=ssrc:1 msid:local_stream_1 audio_track_id_1\r\n"
+ "m=video 0 RTP/SAVPF 120\r\n"
+ "c=IN IP4 0.0.0.0\r\n"
+ "a=rtcp:9 IN IP4 0.0.0.0\r\n"
+ "a=bundle-only\r\n"
+ "a=mid:video_content_name\r\n"
+ "a=sendrecv\r\n"
+ "a=crypto:1 AES_CM_128_HMAC_SHA1_80 "
+ "inline:d0RmdmcmVCspeEc3QGZiNWpVLFJhQX1cfHAwJSoj|2^20|1:32\r\n"
+ "a=rtpmap:120 VP8/90000\r\n"
+ "a=ssrc-group:FEC 2 3\r\n"
+ "a=ssrc:2 cname:stream_1_cname\r\n"
+ "a=ssrc:2 msid:local_stream_1 video_track_id_1\r\n"
+ "a=ssrc:3 cname:stream_1_cname\r\n"
+ "a=ssrc:3 msid:local_stream_1 video_track_id_1\r\n";
+
+// Plan B SDP reference string, with 2 streams, 2 audio tracks and 3 video
+// tracks.
+static const char kPlanBSdpFullString[] =
+ "v=0\r\n"
+ "o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
+ "s=-\r\n"
+ "t=0 0\r\n"
+ "a=extmap-allow-mixed\r\n"
+ "a=msid-semantic: WMS local_stream_1 local_stream_2\r\n"
+ "m=audio 2345 RTP/SAVPF 111 103 104\r\n"
+ "c=IN IP4 74.125.127.126\r\n"
+ "a=rtcp:2347 IN IP4 74.125.127.126\r\n"
+ "a=candidate:a0+B/1 1 udp 2130706432 192.168.1.5 1234 typ host "
+ "generation 2\r\n"
+ "a=candidate:a0+B/1 2 udp 2130706432 192.168.1.5 1235 typ host "
+ "generation 2\r\n"
+ "a=candidate:a0+B/2 1 udp 2130706432 ::1 1238 typ host "
+ "generation 2\r\n"
+ "a=candidate:a0+B/2 2 udp 2130706432 ::1 1239 typ host "
+ "generation 2\r\n"
+ "a=candidate:a0+B/3 1 udp 2130706432 74.125.127.126 2345 typ srflx "
+ "raddr 192.168.1.5 rport 2346 "
+ "generation 2\r\n"
+ "a=candidate:a0+B/3 2 udp 2130706432 74.125.127.126 2347 typ srflx "
+ "raddr 192.168.1.5 rport 2348 "
+ "generation 2\r\n"
+ "a=ice-ufrag:ufrag_voice\r\na=ice-pwd:pwd_voice\r\n"
+ "a=mid:audio_content_name\r\n"
+ "a=sendrecv\r\n"
+ "a=rtcp-mux\r\n"
+ "a=rtcp-rsize\r\n"
+ "a=crypto:1 AES_CM_128_HMAC_SHA1_32 "
+ "inline:NzB4d1BINUAvLEw6UzF3WSJ+PSdFcGdUJShpX1Zj|2^20|1:32 "
+ "dummy_session_params\r\n"
+ "a=rtpmap:111 opus/48000/2\r\n"
+ "a=rtpmap:103 ISAC/16000\r\n"
+ "a=rtpmap:104 ISAC/32000\r\n"
+ "a=ssrc:1 cname:stream_1_cname\r\n"
+ "a=ssrc:1 msid:local_stream_1 audio_track_id_1\r\n"
+ "a=ssrc:4 cname:stream_2_cname\r\n"
+ "a=ssrc:4 msid:local_stream_2 audio_track_id_2\r\n"
+ "m=video 3457 RTP/SAVPF 120\r\n"
+ "c=IN IP4 74.125.224.39\r\n"
+ "a=rtcp:3456 IN IP4 74.125.224.39\r\n"
+ "a=candidate:a0+B/1 2 udp 2130706432 192.168.1.5 1236 typ host "
+ "generation 2\r\n"
+ "a=candidate:a0+B/1 1 udp 2130706432 192.168.1.5 1237 typ host "
+ "generation 2\r\n"
+ "a=candidate:a0+B/2 2 udp 2130706432 ::1 1240 typ host "
+ "generation 2\r\n"
+ "a=candidate:a0+B/2 1 udp 2130706432 ::1 1241 typ host "
+ "generation 2\r\n"
+ "a=candidate:a0+B/4 2 udp 2130706432 74.125.224.39 3456 typ relay "
+ "generation 2\r\n"
+ "a=candidate:a0+B/4 1 udp 2130706432 74.125.224.39 3457 typ relay "
+ "generation 2\r\n"
+ "a=ice-ufrag:ufrag_video\r\na=ice-pwd:pwd_video\r\n"
+ "a=mid:video_content_name\r\n"
+ "a=sendrecv\r\n"
+ "a=crypto:1 AES_CM_128_HMAC_SHA1_80 "
+ "inline:d0RmdmcmVCspeEc3QGZiNWpVLFJhQX1cfHAwJSoj|2^20|1:32\r\n"
+ "a=rtpmap:120 VP8/90000\r\n"
+ "a=ssrc-group:FEC 2 3\r\n"
+ "a=ssrc:2 cname:stream_1_cname\r\n"
+ "a=ssrc:2 msid:local_stream_1 video_track_id_1\r\n"
+ "a=ssrc:3 cname:stream_1_cname\r\n"
+ "a=ssrc:3 msid:local_stream_1 video_track_id_1\r\n"
+ "a=ssrc:5 cname:stream_2_cname\r\n"
+ "a=ssrc:5 msid:local_stream_2 video_track_id_2\r\n"
+ "a=ssrc:6 cname:stream_2_cname\r\n"
+ "a=ssrc:6 msid:local_stream_2 video_track_id_3\r\n";
+
+// Unified Plan SDP reference string, with 2 streams, 2 audio tracks and 3 video
+// tracks.
+static const char kUnifiedPlanSdpFullString[] =
+ "v=0\r\n"
+ "o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
+ "s=-\r\n"
+ "t=0 0\r\n"
+ "a=extmap-allow-mixed\r\n"
+ "a=msid-semantic: WMS local_stream_1\r\n"
+ // Audio track 1, stream 1 (with candidates).
+ "m=audio 2345 RTP/SAVPF 111 103 104\r\n"
+ "c=IN IP4 74.125.127.126\r\n"
+ "a=rtcp:2347 IN IP4 74.125.127.126\r\n"
+ "a=candidate:a0+B/1 1 udp 2130706432 192.168.1.5 1234 typ host "
+ "generation 2\r\n"
+ "a=candidate:a0+B/1 2 udp 2130706432 192.168.1.5 1235 typ host "
+ "generation 2\r\n"
+ "a=candidate:a0+B/2 1 udp 2130706432 ::1 1238 typ host "
+ "generation 2\r\n"
+ "a=candidate:a0+B/2 2 udp 2130706432 ::1 1239 typ host "
+ "generation 2\r\n"
+ "a=candidate:a0+B/3 1 udp 2130706432 74.125.127.126 2345 typ srflx "
+ "raddr 192.168.1.5 rport 2346 "
+ "generation 2\r\n"
+ "a=candidate:a0+B/3 2 udp 2130706432 74.125.127.126 2347 typ srflx "
+ "raddr 192.168.1.5 rport 2348 "
+ "generation 2\r\n"
+ "a=ice-ufrag:ufrag_voice\r\na=ice-pwd:pwd_voice\r\n"
+ "a=mid:audio_content_name\r\n"
+ "a=msid:local_stream_1 audio_track_id_1\r\n"
+ "a=sendrecv\r\n"
+ "a=rtcp-mux\r\n"
+ "a=rtcp-rsize\r\n"
+ "a=crypto:1 AES_CM_128_HMAC_SHA1_32 "
+ "inline:NzB4d1BINUAvLEw6UzF3WSJ+PSdFcGdUJShpX1Zj|2^20|1:32 "
+ "dummy_session_params\r\n"
+ "a=rtpmap:111 opus/48000/2\r\n"
+ "a=rtpmap:103 ISAC/16000\r\n"
+ "a=rtpmap:104 ISAC/32000\r\n"
+ "a=ssrc:1 cname:stream_1_cname\r\n"
+ // Video track 1, stream 1 (with candidates).
+ "m=video 3457 RTP/SAVPF 120\r\n"
+ "c=IN IP4 74.125.224.39\r\n"
+ "a=rtcp:3456 IN IP4 74.125.224.39\r\n"
+ "a=candidate:a0+B/1 2 udp 2130706432 192.168.1.5 1236 typ host "
+ "generation 2\r\n"
+ "a=candidate:a0+B/1 1 udp 2130706432 192.168.1.5 1237 typ host "
+ "generation 2\r\n"
+ "a=candidate:a0+B/2 2 udp 2130706432 ::1 1240 typ host "
+ "generation 2\r\n"
+ "a=candidate:a0+B/2 1 udp 2130706432 ::1 1241 typ host "
+ "generation 2\r\n"
+ "a=candidate:a0+B/4 2 udp 2130706432 74.125.224.39 3456 typ relay "
+ "generation 2\r\n"
+ "a=candidate:a0+B/4 1 udp 2130706432 74.125.224.39 3457 typ relay "
+ "generation 2\r\n"
+ "a=ice-ufrag:ufrag_video\r\na=ice-pwd:pwd_video\r\n"
+ "a=mid:video_content_name\r\n"
+ "a=msid:local_stream_1 video_track_id_1\r\n"
+ "a=sendrecv\r\n"
+ "a=crypto:1 AES_CM_128_HMAC_SHA1_80 "
+ "inline:d0RmdmcmVCspeEc3QGZiNWpVLFJhQX1cfHAwJSoj|2^20|1:32\r\n"
+ "a=rtpmap:120 VP8/90000\r\n"
+ "a=ssrc-group:FEC 2 3\r\n"
+ "a=ssrc:2 cname:stream_1_cname\r\n"
+ "a=ssrc:3 cname:stream_1_cname\r\n"
+ // Audio track 2, stream 2.
+ "m=audio 9 RTP/SAVPF 111 103 104\r\n"
+ "c=IN IP4 0.0.0.0\r\n"
+ "a=rtcp:9 IN IP4 0.0.0.0\r\n"
+ "a=ice-ufrag:ufrag_voice_2\r\na=ice-pwd:pwd_voice_2\r\n"
+ "a=mid:audio_content_name_2\r\n"
+ "a=msid:local_stream_2 audio_track_id_2\r\n"
+ "a=sendrecv\r\n"
+ "a=rtcp-mux\r\n"
+ "a=rtcp-rsize\r\n"
+ "a=crypto:1 AES_CM_128_HMAC_SHA1_32 "
+ "inline:NzB4d1BINUAvLEw6UzF3WSJ+PSdFcGdUJShpX1Zj|2^20|1:32 "
+ "dummy_session_params\r\n"
+ "a=rtpmap:111 opus/48000/2\r\n"
+ "a=rtpmap:103 ISAC/16000\r\n"
+ "a=rtpmap:104 ISAC/32000\r\n"
+ "a=ssrc:4 cname:stream_2_cname\r\n"
+ // Video track 2, stream 2.
+ "m=video 9 RTP/SAVPF 120\r\n"
+ "c=IN IP4 0.0.0.0\r\n"
+ "a=rtcp:9 IN IP4 0.0.0.0\r\n"
+ "a=ice-ufrag:ufrag_video_2\r\na=ice-pwd:pwd_video_2\r\n"
+ "a=mid:video_content_name_2\r\n"
+ "a=msid:local_stream_2 video_track_id_2\r\n"
+ "a=sendrecv\r\n"
+ "a=crypto:1 AES_CM_128_HMAC_SHA1_80 "
+ "inline:d0RmdmcmVCspeEc3QGZiNWpVLFJhQX1cfHAwJSoj|2^20|1:32\r\n"
+ "a=rtpmap:120 VP8/90000\r\n"
+ "a=ssrc:5 cname:stream_2_cname\r\n"
+ // Video track 3, stream 2.
+ "m=video 9 RTP/SAVPF 120\r\n"
+ "c=IN IP4 0.0.0.0\r\n"
+ "a=rtcp:9 IN IP4 0.0.0.0\r\n"
+ "a=ice-ufrag:ufrag_video_3\r\na=ice-pwd:pwd_video_3\r\n"
+ "a=mid:video_content_name_3\r\n"
+ "a=msid:local_stream_2 video_track_id_3\r\n"
+ "a=sendrecv\r\n"
+ "a=crypto:1 AES_CM_128_HMAC_SHA1_80 "
+ "inline:d0RmdmcmVCspeEc3QGZiNWpVLFJhQX1cfHAwJSoj|2^20|1:32\r\n"
+ "a=rtpmap:120 VP8/90000\r\n"
+ "a=ssrc:6 cname:stream_2_cname\r\n";
+
+// Unified Plan SDP reference string:
+// - audio track 1 has 1 a=msid lines
+// - audio track 2 has 2 a=msid lines
+// - audio track 3 has 1 a=msid line with the special "-" marker signifying that
+// there are 0 media stream ids.
+// This Unified Plan SDP represents a SDP that signals the msid using both
+// a=msid and a=ssrc msid semantics.
+static const char kUnifiedPlanSdpFullStringWithSpecialMsid[] =
+ "v=0\r\n"
+ "o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
+ "s=-\r\n"
+ "t=0 0\r\n"
+ "a=extmap-allow-mixed\r\n"
+ "a=msid-semantic: WMS local_stream_1\r\n"
+ // Audio track 1, with 1 stream id.
+ "m=audio 2345 RTP/SAVPF 111 103 104\r\n"
+ "c=IN IP4 74.125.127.126\r\n"
+ "a=rtcp:2347 IN IP4 74.125.127.126\r\n"
+ "a=candidate:a0+B/1 1 udp 2130706432 192.168.1.5 1234 typ host "
+ "generation 2\r\n"
+ "a=candidate:a0+B/1 2 udp 2130706432 192.168.1.5 1235 typ host "
+ "generation 2\r\n"
+ "a=candidate:a0+B/2 1 udp 2130706432 ::1 1238 typ host "
+ "generation 2\r\n"
+ "a=candidate:a0+B/2 2 udp 2130706432 ::1 1239 typ host "
+ "generation 2\r\n"
+ "a=candidate:a0+B/3 1 udp 2130706432 74.125.127.126 2345 typ srflx "
+ "raddr 192.168.1.5 rport 2346 "
+ "generation 2\r\n"
+ "a=candidate:a0+B/3 2 udp 2130706432 74.125.127.126 2347 typ srflx "
+ "raddr 192.168.1.5 rport 2348 "
+ "generation 2\r\n"
+ "a=ice-ufrag:ufrag_voice\r\na=ice-pwd:pwd_voice\r\n"
+ "a=mid:audio_content_name\r\n"
+ "a=sendrecv\r\n"
+ "a=msid:local_stream_1 audio_track_id_1\r\n"
+ "a=rtcp-mux\r\n"
+ "a=rtcp-rsize\r\n"
+ "a=crypto:1 AES_CM_128_HMAC_SHA1_32 "
+ "inline:NzB4d1BINUAvLEw6UzF3WSJ+PSdFcGdUJShpX1Zj|2^20|1:32 "
+ "dummy_session_params\r\n"
+ "a=rtpmap:111 opus/48000/2\r\n"
+ "a=rtpmap:103 ISAC/16000\r\n"
+ "a=rtpmap:104 ISAC/32000\r\n"
+ "a=ssrc:1 cname:stream_1_cname\r\n"
+ "a=ssrc:1 msid:local_stream_1 audio_track_id_1\r\n"
+ // Audio track 2, with two stream ids.
+ "m=audio 9 RTP/SAVPF 111 103 104\r\n"
+ "c=IN IP4 0.0.0.0\r\n"
+ "a=rtcp:9 IN IP4 0.0.0.0\r\n"
+ "a=ice-ufrag:ufrag_voice_2\r\na=ice-pwd:pwd_voice_2\r\n"
+ "a=mid:audio_content_name_2\r\n"
+ "a=sendrecv\r\n"
+ "a=msid:local_stream_1 audio_track_id_2\r\n"
+ "a=msid:local_stream_2 audio_track_id_2\r\n"
+ "a=rtcp-mux\r\n"
+ "a=rtcp-rsize\r\n"
+ "a=crypto:1 AES_CM_128_HMAC_SHA1_32 "
+ "inline:NzB4d1BINUAvLEw6UzF3WSJ+PSdFcGdUJShpX1Zj|2^20|1:32 "
+ "dummy_session_params\r\n"
+ "a=rtpmap:111 opus/48000/2\r\n"
+ "a=rtpmap:103 ISAC/16000\r\n"
+ "a=rtpmap:104 ISAC/32000\r\n"
+ "a=ssrc:4 cname:stream_1_cname\r\n"
+ // The support for Plan B msid signaling only includes the
+ // first media stream id "local_stream_1."
+ "a=ssrc:4 msid:local_stream_1 audio_track_id_2\r\n"
+ // Audio track 3, with no stream ids.
+ "m=audio 9 RTP/SAVPF 111 103 104\r\n"
+ "c=IN IP4 0.0.0.0\r\n"
+ "a=rtcp:9 IN IP4 0.0.0.0\r\n"
+ "a=ice-ufrag:ufrag_voice_3\r\na=ice-pwd:pwd_voice_3\r\n"
+ "a=mid:audio_content_name_3\r\n"
+ "a=sendrecv\r\n"
+ "a=msid:- audio_track_id_3\r\n"
+ "a=rtcp-mux\r\n"
+ "a=rtcp-rsize\r\n"
+ "a=crypto:1 AES_CM_128_HMAC_SHA1_32 "
+ "inline:NzB4d1BINUAvLEw6UzF3WSJ+PSdFcGdUJShpX1Zj|2^20|1:32 "
+ "dummy_session_params\r\n"
+ "a=rtpmap:111 opus/48000/2\r\n"
+ "a=rtpmap:103 ISAC/16000\r\n"
+ "a=rtpmap:104 ISAC/32000\r\n"
+ "a=ssrc:7 cname:stream_2_cname\r\n"
+ "a=ssrc:7 msid:- audio_track_id_3\r\n";
+
+// SDP string for unified plan without SSRCs
+static const char kUnifiedPlanSdpFullStringNoSsrc[] =
+ "v=0\r\n"
+ "o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
+ "s=-\r\n"
+ "t=0 0\r\n"
+ "a=msid-semantic: WMS local_stream_1\r\n"
+ // Audio track 1, stream 1 (with candidates).
+ "m=audio 2345 RTP/SAVPF 111 103 104\r\n"
+ "c=IN IP4 74.125.127.126\r\n"
+ "a=rtcp:2347 IN IP4 74.125.127.126\r\n"
+ "a=candidate:a0+B/1 1 udp 2130706432 192.168.1.5 1234 typ host "
+ "generation 2\r\n"
+ "a=candidate:a0+B/1 2 udp 2130706432 192.168.1.5 1235 typ host "
+ "generation 2\r\n"
+ "a=candidate:a0+B/2 1 udp 2130706432 ::1 1238 typ host "
+ "generation 2\r\n"
+ "a=candidate:a0+B/2 2 udp 2130706432 ::1 1239 typ host "
+ "generation 2\r\n"
+ "a=candidate:a0+B/3 1 udp 2130706432 74.125.127.126 2345 typ srflx "
+ "raddr 192.168.1.5 rport 2346 "
+ "generation 2\r\n"
+ "a=candidate:a0+B/3 2 udp 2130706432 74.125.127.126 2347 typ srflx "
+ "raddr 192.168.1.5 rport 2348 "
+ "generation 2\r\n"
+ "a=ice-ufrag:ufrag_voice\r\na=ice-pwd:pwd_voice\r\n"
+ "a=mid:audio_content_name\r\n"
+ "a=msid:local_stream_1 audio_track_id_1\r\n"
+ "a=sendrecv\r\n"
+ "a=rtcp-mux\r\n"
+ "a=rtcp-rsize\r\n"
+ "a=crypto:1 AES_CM_128_HMAC_SHA1_32 "
+ "inline:NzB4d1BINUAvLEw6UzF3WSJ+PSdFcGdUJShpX1Zj|2^20|1:32 "
+ "dummy_session_params\r\n"
+ "a=rtpmap:111 opus/48000/2\r\n"
+ "a=rtpmap:103 ISAC/16000\r\n"
+ "a=rtpmap:104 ISAC/32000\r\n"
+ // Video track 1, stream 1 (with candidates).
+ "m=video 3457 RTP/SAVPF 120\r\n"
+ "c=IN IP4 74.125.224.39\r\n"
+ "a=rtcp:3456 IN IP4 74.125.224.39\r\n"
+ "a=candidate:a0+B/1 2 udp 2130706432 192.168.1.5 1236 typ host "
+ "generation 2\r\n"
+ "a=candidate:a0+B/1 1 udp 2130706432 192.168.1.5 1237 typ host "
+ "generation 2\r\n"
+ "a=candidate:a0+B/2 2 udp 2130706432 ::1 1240 typ host "
+ "generation 2\r\n"
+ "a=candidate:a0+B/2 1 udp 2130706432 ::1 1241 typ host "
+ "generation 2\r\n"
+ "a=candidate:a0+B/4 2 udp 2130706432 74.125.224.39 3456 typ relay "
+ "generation 2\r\n"
+ "a=candidate:a0+B/4 1 udp 2130706432 74.125.224.39 3457 typ relay "
+ "generation 2\r\n"
+ "a=ice-ufrag:ufrag_video\r\na=ice-pwd:pwd_video\r\n"
+ "a=mid:video_content_name\r\n"
+ "a=msid:local_stream_1 video_track_id_1\r\n"
+ "a=sendrecv\r\n"
+ "a=crypto:1 AES_CM_128_HMAC_SHA1_80 "
+ "inline:d0RmdmcmVCspeEc3QGZiNWpVLFJhQX1cfHAwJSoj|2^20|1:32\r\n"
+ "a=rtpmap:120 VP8/90000\r\n"
+ // Audio track 2, stream 2.
+ "m=audio 9 RTP/SAVPF 111 103 104\r\n"
+ "c=IN IP4 0.0.0.0\r\n"
+ "a=rtcp:9 IN IP4 0.0.0.0\r\n"
+ "a=ice-ufrag:ufrag_voice_2\r\na=ice-pwd:pwd_voice_2\r\n"
+ "a=mid:audio_content_name_2\r\n"
+ "a=msid:local_stream_2 audio_track_id_2\r\n"
+ "a=sendrecv\r\n"
+ "a=rtcp-mux\r\n"
+ "a=rtcp-rsize\r\n"
+ "a=crypto:1 AES_CM_128_HMAC_SHA1_32 "
+ "inline:NzB4d1BINUAvLEw6UzF3WSJ+PSdFcGdUJShpX1Zj|2^20|1:32 "
+ "dummy_session_params\r\n"
+ "a=rtpmap:111 opus/48000/2\r\n"
+ "a=rtpmap:103 ISAC/16000\r\n"
+ "a=rtpmap:104 ISAC/32000\r\n"
+ // Video track 2, stream 2.
+ "m=video 9 RTP/SAVPF 120\r\n"
+ "c=IN IP4 0.0.0.0\r\n"
+ "a=rtcp:9 IN IP4 0.0.0.0\r\n"
+ "a=ice-ufrag:ufrag_video_2\r\na=ice-pwd:pwd_video_2\r\n"
+ "a=mid:video_content_name_2\r\n"
+ "a=msid:local_stream_2 video_track_id_2\r\n"
+ "a=sendrecv\r\n"
+ "a=crypto:1 AES_CM_128_HMAC_SHA1_80 "
+ "inline:d0RmdmcmVCspeEc3QGZiNWpVLFJhQX1cfHAwJSoj|2^20|1:32\r\n"
+ "a=rtpmap:120 VP8/90000\r\n"
+ // Video track 3, stream 2.
+ "m=video 9 RTP/SAVPF 120\r\n"
+ "c=IN IP4 0.0.0.0\r\n"
+ "a=rtcp:9 IN IP4 0.0.0.0\r\n"
+ "a=ice-ufrag:ufrag_video_3\r\na=ice-pwd:pwd_video_3\r\n"
+ "a=mid:video_content_name_3\r\n"
+ "a=msid:local_stream_2 video_track_id_3\r\n"
+ "a=sendrecv\r\n"
+ "a=crypto:1 AES_CM_128_HMAC_SHA1_80 "
+ "inline:d0RmdmcmVCspeEc3QGZiNWpVLFJhQX1cfHAwJSoj|2^20|1:32\r\n"
+ "a=rtpmap:120 VP8/90000\r\n";
+
+// One candidate reference string as per W3c spec.
+// candidate:<blah> not a=candidate:<blah>CRLF
+static const char kRawCandidate[] =
+ "candidate:a0+B/1 1 udp 2130706432 192.168.1.5 1234 typ host generation 2";
+// One candidate reference string.
+static const char kSdpOneCandidate[] =
+ "a=candidate:a0+B/1 1 udp 2130706432 192.168.1.5 1234 typ host "
+ "generation 2\r\n";
+
+static const char kSdpTcpActiveCandidate[] =
+ "candidate:a0+B/1 1 tcp 2130706432 192.168.1.5 9 typ host "
+ "tcptype active generation 2";
+static const char kSdpTcpPassiveCandidate[] =
+ "candidate:a0+B/1 1 tcp 2130706432 192.168.1.5 9 typ host "
+ "tcptype passive generation 2";
+static const char kSdpTcpSOCandidate[] =
+ "candidate:a0+B/1 1 tcp 2130706432 192.168.1.5 9 typ host "
+ "tcptype so generation 2";
+static const char kSdpTcpInvalidCandidate[] =
+ "candidate:a0+B/1 1 tcp 2130706432 192.168.1.5 9 typ host "
+ "tcptype invalid generation 2";
+
+// One candidate reference string with IPV6 address.
+static const char kRawIPV6Candidate[] =
+ "candidate:a0+B/1 1 udp 2130706432 "
+ "abcd:abcd:abcd:abcd:abcd:abcd:abcd:abcd 1234 typ host generation 2";
+
+// One candidate reference string.
+static const char kSdpOneCandidateWithUfragPwd[] =
+ "a=candidate:a0+B/1 1 udp 2130706432 192.168.1.5 1234 typ host network_name"
+ " eth0 ufrag user_rtp pwd password_rtp generation 2\r\n";
+
+static const char kRawHostnameCandidate[] =
+ "candidate:a0+B/1 1 udp 2130706432 a.test 1234 typ host generation 2";
+
+// Session id and version
+static const char kSessionId[] = "18446744069414584320";
+static const char kSessionVersion[] = "18446462598732840960";
+
+// ICE options.
+static const char kIceOption1[] = "iceoption1";
+static const char kIceOption2[] = "iceoption2";
+static const char kIceOption3[] = "iceoption3";
+
+// ICE ufrags/passwords.
+static const char kUfragVoice[] = "ufrag_voice";
+static const char kPwdVoice[] = "pwd_voice";
+static const char kUfragVideo[] = "ufrag_video";
+static const char kPwdVideo[] = "pwd_video";
+static const char kUfragData[] = "ufrag_data";
+static const char kPwdData[] = "pwd_data";
+
+// Extra ufrags/passwords for extra unified plan m= sections.
+static const char kUfragVoice2[] = "ufrag_voice_2";
+static const char kPwdVoice2[] = "pwd_voice_2";
+static const char kUfragVoice3[] = "ufrag_voice_3";
+static const char kPwdVoice3[] = "pwd_voice_3";
+static const char kUfragVideo2[] = "ufrag_video_2";
+static const char kPwdVideo2[] = "pwd_video_2";
+static const char kUfragVideo3[] = "ufrag_video_3";
+static const char kPwdVideo3[] = "pwd_video_3";
+
+// Content name
+static const char kAudioContentName[] = "audio_content_name";
+static const char kVideoContentName[] = "video_content_name";
+static const char kDataContentName[] = "data_content_name";
+
+// Extra content names for extra unified plan m= sections.
+static const char kAudioContentName2[] = "audio_content_name_2";
+static const char kAudioContentName3[] = "audio_content_name_3";
+static const char kVideoContentName2[] = "video_content_name_2";
+static const char kVideoContentName3[] = "video_content_name_3";
+
+// MediaStream 1
+static const char kStreamId1[] = "local_stream_1";
+static const char kStream1Cname[] = "stream_1_cname";
+static const char kAudioTrackId1[] = "audio_track_id_1";
+static const uint32_t kAudioTrack1Ssrc = 1;
+static const char kVideoTrackId1[] = "video_track_id_1";
+static const uint32_t kVideoTrack1Ssrc1 = 2;
+static const uint32_t kVideoTrack1Ssrc2 = 3;
+
+// MediaStream 2
+static const char kStreamId2[] = "local_stream_2";
+static const char kStream2Cname[] = "stream_2_cname";
+static const char kAudioTrackId2[] = "audio_track_id_2";
+static const uint32_t kAudioTrack2Ssrc = 4;
+static const char kVideoTrackId2[] = "video_track_id_2";
+static const uint32_t kVideoTrack2Ssrc = 5;
+static const char kVideoTrackId3[] = "video_track_id_3";
+static const uint32_t kVideoTrack3Ssrc = 6;
+static const char kAudioTrackId3[] = "audio_track_id_3";
+static const uint32_t kAudioTrack3Ssrc = 7;
+
+// Candidate
+static const char kDummyMid[] = "dummy_mid";
+static const int kDummyIndex = 123;
+
+// Misc
+static SdpType kDummyType = SdpType::kOffer;
+
+// Helper functions
+
+static bool SdpDeserialize(const std::string& message,
+ JsepSessionDescription* jdesc) {
+ return webrtc::SdpDeserialize(message, jdesc, NULL);
+}
+
+static bool SdpDeserializeCandidate(const std::string& message,
+ JsepIceCandidate* candidate) {
+ return webrtc::SdpDeserializeCandidate(message, candidate, NULL);
+}
+
+// Add some extra `newlines` to the `message` after `line`.
+static void InjectAfter(const std::string& line,
+ const std::string& newlines,
+ std::string* message) {
+ absl::StrReplaceAll({{line, line + newlines}}, message);
+}
+
+static void Replace(const std::string& line,
+ const std::string& newlines,
+ std::string* message) {
+ absl::StrReplaceAll({{line, newlines}}, message);
+}
+
+// Expect a parse failure on the line containing `bad_part` when attempting to
+// parse `bad_sdp`.
+static void ExpectParseFailure(const std::string& bad_sdp,
+ const std::string& bad_part) {
+ JsepSessionDescription desc(kDummyType);
+ SdpParseError error;
+ bool ret = webrtc::SdpDeserialize(bad_sdp, &desc, &error);
+ ASSERT_FALSE(ret);
+ EXPECT_NE(std::string::npos, error.line.find(bad_part.c_str()))
+ << "Did not find " << bad_part << " in " << error.line;
+}
+
+// Expect fail to parse kSdpFullString if replace `good_part` with `bad_part`.
+static void ExpectParseFailure(const char* good_part, const char* bad_part) {
+ std::string bad_sdp = kSdpFullString;
+ Replace(good_part, bad_part, &bad_sdp);
+ ExpectParseFailure(bad_sdp, bad_part);
+}
+
+// Expect fail to parse kSdpFullString if add `newlines` after `injectpoint`.
+static void ExpectParseFailureWithNewLines(const std::string& injectpoint,
+ const std::string& newlines,
+ const std::string& bad_part) {
+ std::string bad_sdp = kSdpFullString;
+ InjectAfter(injectpoint, newlines, &bad_sdp);
+ ExpectParseFailure(bad_sdp, bad_part);
+}
+
+static void ReplaceDirection(RtpTransceiverDirection direction,
+ std::string* message) {
+ std::string new_direction;
+ switch (direction) {
+ case RtpTransceiverDirection::kInactive:
+ new_direction = "a=inactive";
+ break;
+ case RtpTransceiverDirection::kSendOnly:
+ new_direction = "a=sendonly";
+ break;
+ case RtpTransceiverDirection::kRecvOnly:
+ new_direction = "a=recvonly";
+ break;
+ case RtpTransceiverDirection::kSendRecv:
+ new_direction = "a=sendrecv";
+ break;
+ case RtpTransceiverDirection::kStopped:
+ default:
+ RTC_DCHECK_NOTREACHED();
+ new_direction = "a=sendrecv";
+ break;
+ }
+ Replace("a=sendrecv", new_direction, message);
+}
+
+static void ReplaceRejected(bool audio_rejected,
+ bool video_rejected,
+ std::string* message) {
+ if (audio_rejected) {
+ Replace("m=audio 9", "m=audio 0", message);
+ Replace(kAttributeIceUfragVoice, "", message);
+ Replace(kAttributeIcePwdVoice, "", message);
+ }
+ if (video_rejected) {
+ Replace("m=video 9", "m=video 0", message);
+ Replace(kAttributeIceUfragVideo, "", message);
+ Replace(kAttributeIcePwdVideo, "", message);
+ }
+}
+
+// WebRtcSdpTest
+
+class WebRtcSdpTest : public ::testing::Test {
+ public:
+ WebRtcSdpTest() : jdesc_(kDummyType) {
+#ifdef WEBRTC_ANDROID
+ webrtc::InitializeAndroidObjects();
+#endif
+ // AudioContentDescription
+ audio_desc_ = CreateAudioContentDescription();
+ StreamParams audio_stream;
+ audio_stream.id = kAudioTrackId1;
+ audio_stream.cname = kStream1Cname;
+ audio_stream.set_stream_ids({kStreamId1});
+ audio_stream.ssrcs.push_back(kAudioTrack1Ssrc);
+ audio_desc_->AddStream(audio_stream);
+ rtc::SocketAddress audio_addr("74.125.127.126", 2345);
+ audio_desc_->set_connection_address(audio_addr);
+ desc_.AddContent(kAudioContentName, MediaProtocolType::kRtp,
+ absl::WrapUnique(audio_desc_));
+
+ // VideoContentDescription
+ video_desc_ = CreateVideoContentDescription();
+ StreamParams video_stream;
+ video_stream.id = kVideoTrackId1;
+ video_stream.cname = kStream1Cname;
+ video_stream.set_stream_ids({kStreamId1});
+ video_stream.ssrcs.push_back(kVideoTrack1Ssrc1);
+ video_stream.ssrcs.push_back(kVideoTrack1Ssrc2);
+ cricket::SsrcGroup ssrc_group(kFecSsrcGroupSemantics, video_stream.ssrcs);
+ video_stream.ssrc_groups.push_back(ssrc_group);
+ video_desc_->AddStream(video_stream);
+ rtc::SocketAddress video_addr("74.125.224.39", 3457);
+ video_desc_->set_connection_address(video_addr);
+ desc_.AddContent(kVideoContentName, MediaProtocolType::kRtp,
+ absl::WrapUnique(video_desc_));
+
+ // TransportInfo
+ desc_.AddTransportInfo(TransportInfo(
+ kAudioContentName, TransportDescription(kUfragVoice, kPwdVoice)));
+ desc_.AddTransportInfo(TransportInfo(
+ kVideoContentName, TransportDescription(kUfragVideo, kPwdVideo)));
+
+ // v4 host
+ int port = 1234;
+ rtc::SocketAddress address("192.168.1.5", port++);
+ Candidate candidate1(ICE_CANDIDATE_COMPONENT_RTP, "udp", address,
+ kCandidatePriority, "", "", LOCAL_PORT_TYPE,
+ kCandidateGeneration, kCandidateFoundation1);
+ address.SetPort(port++);
+ Candidate candidate2(ICE_CANDIDATE_COMPONENT_RTCP, "udp", address,
+ kCandidatePriority, "", "", LOCAL_PORT_TYPE,
+ kCandidateGeneration, kCandidateFoundation1);
+ address.SetPort(port++);
+ Candidate candidate3(ICE_CANDIDATE_COMPONENT_RTCP, "udp", address,
+ kCandidatePriority, "", "", LOCAL_PORT_TYPE,
+ kCandidateGeneration, kCandidateFoundation1);
+ address.SetPort(port++);
+ Candidate candidate4(ICE_CANDIDATE_COMPONENT_RTP, "udp", address,
+ kCandidatePriority, "", "", LOCAL_PORT_TYPE,
+ kCandidateGeneration, kCandidateFoundation1);
+
+ // v6 host
+ rtc::SocketAddress v6_address("::1", port++);
+ cricket::Candidate candidate5(cricket::ICE_CANDIDATE_COMPONENT_RTP, "udp",
+ v6_address, kCandidatePriority, "", "",
+ cricket::LOCAL_PORT_TYPE,
+ kCandidateGeneration, kCandidateFoundation2);
+ v6_address.SetPort(port++);
+ cricket::Candidate candidate6(cricket::ICE_CANDIDATE_COMPONENT_RTCP, "udp",
+ v6_address, kCandidatePriority, "", "",
+ cricket::LOCAL_PORT_TYPE,
+ kCandidateGeneration, kCandidateFoundation2);
+ v6_address.SetPort(port++);
+ cricket::Candidate candidate7(cricket::ICE_CANDIDATE_COMPONENT_RTCP, "udp",
+ v6_address, kCandidatePriority, "", "",
+ cricket::LOCAL_PORT_TYPE,
+ kCandidateGeneration, kCandidateFoundation2);
+ v6_address.SetPort(port++);
+ cricket::Candidate candidate8(cricket::ICE_CANDIDATE_COMPONENT_RTP, "udp",
+ v6_address, kCandidatePriority, "", "",
+ cricket::LOCAL_PORT_TYPE,
+ kCandidateGeneration, kCandidateFoundation2);
+
+ // stun
+ int port_stun = 2345;
+ rtc::SocketAddress address_stun("74.125.127.126", port_stun++);
+ rtc::SocketAddress rel_address_stun("192.168.1.5", port_stun++);
+ cricket::Candidate candidate9(cricket::ICE_CANDIDATE_COMPONENT_RTP, "udp",
+ address_stun, kCandidatePriority, "", "",
+ STUN_PORT_TYPE, kCandidateGeneration,
+ kCandidateFoundation3);
+ candidate9.set_related_address(rel_address_stun);
+
+ address_stun.SetPort(port_stun++);
+ rel_address_stun.SetPort(port_stun++);
+ cricket::Candidate candidate10(cricket::ICE_CANDIDATE_COMPONENT_RTCP, "udp",
+ address_stun, kCandidatePriority, "", "",
+ STUN_PORT_TYPE, kCandidateGeneration,
+ kCandidateFoundation3);
+ candidate10.set_related_address(rel_address_stun);
+
+ // relay
+ int port_relay = 3456;
+ rtc::SocketAddress address_relay("74.125.224.39", port_relay++);
+ cricket::Candidate candidate11(cricket::ICE_CANDIDATE_COMPONENT_RTCP, "udp",
+ address_relay, kCandidatePriority, "", "",
+ cricket::RELAY_PORT_TYPE,
+ kCandidateGeneration, kCandidateFoundation4);
+ address_relay.SetPort(port_relay++);
+ cricket::Candidate candidate12(cricket::ICE_CANDIDATE_COMPONENT_RTP, "udp",
+ address_relay, kCandidatePriority, "", "",
+ RELAY_PORT_TYPE, kCandidateGeneration,
+ kCandidateFoundation4);
+
+ // voice
+ candidates_.push_back(candidate1);
+ candidates_.push_back(candidate2);
+ candidates_.push_back(candidate5);
+ candidates_.push_back(candidate6);
+ candidates_.push_back(candidate9);
+ candidates_.push_back(candidate10);
+
+ // video
+ candidates_.push_back(candidate3);
+ candidates_.push_back(candidate4);
+ candidates_.push_back(candidate7);
+ candidates_.push_back(candidate8);
+ candidates_.push_back(candidate11);
+ candidates_.push_back(candidate12);
+
+ jcandidate_.reset(
+ new JsepIceCandidate(std::string("audio_content_name"), 0, candidate1));
+
+ // Set up JsepSessionDescription.
+ jdesc_.Initialize(desc_.Clone(), kSessionId, kSessionVersion);
+ std::string mline_id;
+ int mline_index = 0;
+ for (size_t i = 0; i < candidates_.size(); ++i) {
+ // In this test, the audio m line index will be 0, and the video m line
+ // will be 1.
+ bool is_video = (i > 5);
+ mline_id = is_video ? "video_content_name" : "audio_content_name";
+ mline_index = is_video ? 1 : 0;
+ JsepIceCandidate jice(mline_id, mline_index, candidates_.at(i));
+ jdesc_.AddCandidate(&jice);
+ }
+ }
+
+ void RemoveVideoCandidates() {
+ const IceCandidateCollection* video_candidates_collection =
+ jdesc_.candidates(1);
+ ASSERT_NE(nullptr, video_candidates_collection);
+ std::vector<cricket::Candidate> video_candidates;
+ for (size_t i = 0; i < video_candidates_collection->count(); ++i) {
+ cricket::Candidate c = video_candidates_collection->at(i)->candidate();
+ c.set_transport_name("video_content_name");
+ video_candidates.push_back(c);
+ }
+ jdesc_.RemoveCandidates(video_candidates);
+ }
+
+ // Turns the existing reference description into a description using
+ // a=bundle-only. This means no transport attributes and a 0 port value on
+ // the m= sections not associated with the BUNDLE-tag.
+ void MakeBundleOnlyDescription() {
+ RemoveVideoCandidates();
+
+ // And the rest of the transport attributes.
+ desc_.transport_infos()[1].description.ice_ufrag.clear();
+ desc_.transport_infos()[1].description.ice_pwd.clear();
+ desc_.transport_infos()[1].description.connection_role =
+ cricket::CONNECTIONROLE_NONE;
+
+ // Set bundle-only flag.
+ desc_.contents()[1].bundle_only = true;
+
+ // Add BUNDLE group.
+ ContentGroup group(cricket::GROUP_TYPE_BUNDLE);
+ group.AddContentName(kAudioContentName);
+ group.AddContentName(kVideoContentName);
+ desc_.AddGroup(group);
+
+ ASSERT_TRUE(jdesc_.Initialize(desc_.Clone(), jdesc_.session_id(),
+ jdesc_.session_version()));
+ }
+
+ // Turns the existing reference description into a plan B description,
+ // with 2 audio tracks and 3 video tracks.
+ void MakePlanBDescription() {
+ audio_desc_ = new AudioContentDescription(*audio_desc_);
+ video_desc_ = new VideoContentDescription(*video_desc_);
+
+ StreamParams audio_track_2;
+ audio_track_2.id = kAudioTrackId2;
+ audio_track_2.cname = kStream2Cname;
+ audio_track_2.set_stream_ids({kStreamId2});
+ audio_track_2.ssrcs.push_back(kAudioTrack2Ssrc);
+ audio_desc_->AddStream(audio_track_2);
+
+ StreamParams video_track_2;
+ video_track_2.id = kVideoTrackId2;
+ video_track_2.cname = kStream2Cname;
+ video_track_2.set_stream_ids({kStreamId2});
+ video_track_2.ssrcs.push_back(kVideoTrack2Ssrc);
+ video_desc_->AddStream(video_track_2);
+
+ StreamParams video_track_3;
+ video_track_3.id = kVideoTrackId3;
+ video_track_3.cname = kStream2Cname;
+ video_track_3.set_stream_ids({kStreamId2});
+ video_track_3.ssrcs.push_back(kVideoTrack3Ssrc);
+ video_desc_->AddStream(video_track_3);
+
+ desc_.RemoveContentByName(kAudioContentName);
+ desc_.RemoveContentByName(kVideoContentName);
+ desc_.AddContent(kAudioContentName, MediaProtocolType::kRtp,
+ absl::WrapUnique(audio_desc_));
+ desc_.AddContent(kVideoContentName, MediaProtocolType::kRtp,
+ absl::WrapUnique(video_desc_));
+
+ ASSERT_TRUE(jdesc_.Initialize(desc_.Clone(), jdesc_.session_id(),
+ jdesc_.session_version()));
+ }
+
+ // Turns the existing reference description into a unified plan description,
+ // with 2 audio tracks and 3 video tracks.
+ void MakeUnifiedPlanDescription(bool use_ssrcs = true) {
+ // Audio track 2.
+ AudioContentDescription* audio_desc_2 = CreateAudioContentDescription();
+ StreamParams audio_track_2;
+ audio_track_2.id = kAudioTrackId2;
+ audio_track_2.set_stream_ids({kStreamId2});
+ if (use_ssrcs) {
+ audio_track_2.cname = kStream2Cname;
+ audio_track_2.ssrcs.push_back(kAudioTrack2Ssrc);
+ }
+ audio_desc_2->AddStream(audio_track_2);
+ desc_.AddContent(kAudioContentName2, MediaProtocolType::kRtp,
+ absl::WrapUnique(audio_desc_2));
+ desc_.AddTransportInfo(TransportInfo(
+ kAudioContentName2, TransportDescription(kUfragVoice2, kPwdVoice2)));
+ // Video track 2, in stream 2.
+ VideoContentDescription* video_desc_2 = CreateVideoContentDescription();
+ StreamParams video_track_2;
+ video_track_2.id = kVideoTrackId2;
+ video_track_2.set_stream_ids({kStreamId2});
+ if (use_ssrcs) {
+ video_track_2.cname = kStream2Cname;
+ video_track_2.ssrcs.push_back(kVideoTrack2Ssrc);
+ }
+ video_desc_2->AddStream(video_track_2);
+ desc_.AddContent(kVideoContentName2, MediaProtocolType::kRtp,
+ absl::WrapUnique(video_desc_2));
+ desc_.AddTransportInfo(TransportInfo(
+ kVideoContentName2, TransportDescription(kUfragVideo2, kPwdVideo2)));
+
+ // Video track 3, in stream 2.
+ VideoContentDescription* video_desc_3 = CreateVideoContentDescription();
+ StreamParams video_track_3;
+ video_track_3.id = kVideoTrackId3;
+ video_track_3.set_stream_ids({kStreamId2});
+ if (use_ssrcs) {
+ video_track_3.cname = kStream2Cname;
+ video_track_3.ssrcs.push_back(kVideoTrack3Ssrc);
+ }
+ video_desc_3->AddStream(video_track_3);
+ desc_.AddContent(kVideoContentName3, MediaProtocolType::kRtp,
+ absl::WrapUnique(video_desc_3));
+ desc_.AddTransportInfo(TransportInfo(
+ kVideoContentName3, TransportDescription(kUfragVideo3, kPwdVideo3)));
+ desc_.set_msid_signaling(cricket::kMsidSignalingMediaSection);
+
+ ASSERT_TRUE(jdesc_.Initialize(desc_.Clone(), jdesc_.session_id(),
+ jdesc_.session_version()));
+ }
+
+ // Creates an audio content description with no streams, and some default
+ // configuration.
+ AudioContentDescription* CreateAudioContentDescription() {
+ AudioContentDescription* audio = new AudioContentDescription();
+ audio->set_rtcp_mux(true);
+ audio->set_rtcp_reduced_size(true);
+ audio->AddCrypto(CryptoParams(
+ 1, "AES_CM_128_HMAC_SHA1_32",
+ "inline:NzB4d1BINUAvLEw6UzF3WSJ+PSdFcGdUJShpX1Zj|2^20|1:32",
+ "dummy_session_params"));
+ audio->set_protocol(cricket::kMediaProtocolSavpf);
+ audio->AddCodec(AudioCodec(111, "opus", 48000, 0, 2));
+ audio->AddCodec(AudioCodec(103, "ISAC", 16000, 0, 1));
+ audio->AddCodec(AudioCodec(104, "ISAC", 32000, 0, 1));
+ return audio;
+ }
+
+ // Turns the existing reference description into a unified plan description,
+ // with 3 audio MediaContentDescriptions with special StreamParams that
+ // contain 0 or multiple stream ids: - audio track 1 has 1 media stream id -
+ // audio track 2 has 2 media stream ids - audio track 3 has 0 media stream ids
+ void MakeUnifiedPlanDescriptionMultipleStreamIds(const int msid_signaling) {
+ desc_.RemoveContentByName(kVideoContentName);
+ desc_.RemoveTransportInfoByName(kVideoContentName);
+ RemoveVideoCandidates();
+
+ // Audio track 2 has 2 media stream ids.
+ AudioContentDescription* audio_desc_2 = CreateAudioContentDescription();
+ StreamParams audio_track_2;
+ audio_track_2.id = kAudioTrackId2;
+ audio_track_2.cname = kStream1Cname;
+ audio_track_2.set_stream_ids({kStreamId1, kStreamId2});
+ audio_track_2.ssrcs.push_back(kAudioTrack2Ssrc);
+ audio_desc_2->AddStream(audio_track_2);
+ desc_.AddContent(kAudioContentName2, MediaProtocolType::kRtp,
+ absl::WrapUnique(audio_desc_2));
+ desc_.AddTransportInfo(TransportInfo(
+ kAudioContentName2, TransportDescription(kUfragVoice2, kPwdVoice2)));
+
+ // Audio track 3 has no stream ids.
+ AudioContentDescription* audio_desc_3 = CreateAudioContentDescription();
+ StreamParams audio_track_3;
+ audio_track_3.id = kAudioTrackId3;
+ audio_track_3.cname = kStream2Cname;
+ audio_track_3.set_stream_ids({});
+ audio_track_3.ssrcs.push_back(kAudioTrack3Ssrc);
+ audio_desc_3->AddStream(audio_track_3);
+ desc_.AddContent(kAudioContentName3, MediaProtocolType::kRtp,
+ absl::WrapUnique(audio_desc_3));
+ desc_.AddTransportInfo(TransportInfo(
+ kAudioContentName3, TransportDescription(kUfragVoice3, kPwdVoice3)));
+ desc_.set_msid_signaling(msid_signaling);
+ ASSERT_TRUE(jdesc_.Initialize(desc_.Clone(), jdesc_.session_id(),
+ jdesc_.session_version()));
+ }
+
+ // Turns the existing reference description into a unified plan description
+ // with one audio MediaContentDescription that contains one StreamParams with
+ // 0 ssrcs.
+ void MakeUnifiedPlanDescriptionNoSsrcSignaling() {
+ desc_.RemoveContentByName(kVideoContentName);
+ desc_.RemoveContentByName(kAudioContentName);
+ desc_.RemoveTransportInfoByName(kVideoContentName);
+ RemoveVideoCandidates();
+
+ AudioContentDescription* audio_desc = CreateAudioContentDescription();
+ StreamParams audio_track;
+ audio_track.id = kAudioTrackId1;
+ audio_track.set_stream_ids({kStreamId1});
+ audio_desc->AddStream(audio_track);
+ desc_.AddContent(kAudioContentName, MediaProtocolType::kRtp,
+ absl::WrapUnique(audio_desc));
+
+ // Enable signaling a=msid lines.
+ desc_.set_msid_signaling(cricket::kMsidSignalingMediaSection);
+ ASSERT_TRUE(jdesc_.Initialize(desc_.Clone(), jdesc_.session_id(),
+ jdesc_.session_version()));
+ }
+
+ // Creates a video content description with no streams, and some default
+ // configuration.
+ VideoContentDescription* CreateVideoContentDescription() {
+ VideoContentDescription* video = new VideoContentDescription();
+ video->AddCrypto(CryptoParams(
+ 1, "AES_CM_128_HMAC_SHA1_80",
+ "inline:d0RmdmcmVCspeEc3QGZiNWpVLFJhQX1cfHAwJSoj|2^20|1:32", ""));
+ video->set_protocol(cricket::kMediaProtocolSavpf);
+ video->AddCodec(
+ VideoCodec(120, JsepSessionDescription::kDefaultVideoCodecName));
+ return video;
+ }
+
+ template <class MCD>
+ void CompareMediaContentDescription(const MCD* cd1, const MCD* cd2) {
+ // type
+ EXPECT_EQ(cd1->type(), cd2->type());
+
+ // content direction
+ EXPECT_EQ(cd1->direction(), cd2->direction());
+
+ // rtcp_mux
+ EXPECT_EQ(cd1->rtcp_mux(), cd2->rtcp_mux());
+
+ // rtcp_reduced_size
+ EXPECT_EQ(cd1->rtcp_reduced_size(), cd2->rtcp_reduced_size());
+
+ // cryptos
+ EXPECT_EQ(cd1->cryptos().size(), cd2->cryptos().size());
+ if (cd1->cryptos().size() != cd2->cryptos().size()) {
+ ADD_FAILURE();
+ return;
+ }
+ for (size_t i = 0; i < cd1->cryptos().size(); ++i) {
+ const CryptoParams c1 = cd1->cryptos().at(i);
+ const CryptoParams c2 = cd2->cryptos().at(i);
+ EXPECT_TRUE(c1.Matches(c2));
+ EXPECT_EQ(c1.key_params, c2.key_params);
+ EXPECT_EQ(c1.session_params, c2.session_params);
+ }
+
+ // protocol
+ // Use an equivalence class here, for old and new versions of the
+ // protocol description.
+ if (cd1->protocol() == cricket::kMediaProtocolDtlsSctp ||
+ cd1->protocol() == cricket::kMediaProtocolUdpDtlsSctp ||
+ cd1->protocol() == cricket::kMediaProtocolTcpDtlsSctp) {
+ const bool cd2_is_also_dtls_sctp =
+ cd2->protocol() == cricket::kMediaProtocolDtlsSctp ||
+ cd2->protocol() == cricket::kMediaProtocolUdpDtlsSctp ||
+ cd2->protocol() == cricket::kMediaProtocolTcpDtlsSctp;
+ EXPECT_TRUE(cd2_is_also_dtls_sctp);
+ } else {
+ EXPECT_EQ(cd1->protocol(), cd2->protocol());
+ }
+
+ // codecs
+ EXPECT_EQ(cd1->codecs(), cd2->codecs());
+
+ // bandwidth
+ EXPECT_EQ(cd1->bandwidth(), cd2->bandwidth());
+
+ // streams
+ EXPECT_EQ(cd1->streams(), cd2->streams());
+
+ // extmap-allow-mixed
+ EXPECT_EQ(cd1->extmap_allow_mixed_enum(), cd2->extmap_allow_mixed_enum());
+
+ // extmap
+ ASSERT_EQ(cd1->rtp_header_extensions().size(),
+ cd2->rtp_header_extensions().size());
+ for (size_t i = 0; i < cd1->rtp_header_extensions().size(); ++i) {
+ const RtpExtension ext1 = cd1->rtp_header_extensions().at(i);
+ const RtpExtension ext2 = cd2->rtp_header_extensions().at(i);
+ EXPECT_EQ(ext1.uri, ext2.uri);
+ EXPECT_EQ(ext1.id, ext2.id);
+ EXPECT_EQ(ext1.encrypt, ext2.encrypt);
+ }
+ }
+
+ void CompareRidDescriptionIds(const std::vector<RidDescription>& rids,
+ const std::vector<std::string>& ids) {
+ // Order of elements does not matter, only equivalence of sets.
+ EXPECT_EQ(rids.size(), ids.size());
+ for (const std::string& id : ids) {
+ EXPECT_EQ(1l, absl::c_count_if(rids, [id](const RidDescription& rid) {
+ return rid.rid == id;
+ }));
+ }
+ }
+
+ void CompareSimulcastDescription(const SimulcastDescription& simulcast1,
+ const SimulcastDescription& simulcast2) {
+ EXPECT_EQ(simulcast1.send_layers().size(), simulcast2.send_layers().size());
+ EXPECT_EQ(simulcast1.receive_layers().size(),
+ simulcast2.receive_layers().size());
+ }
+
+ void CompareSctpDataContentDescription(
+ const SctpDataContentDescription* dcd1,
+ const SctpDataContentDescription* dcd2) {
+ EXPECT_EQ(dcd1->use_sctpmap(), dcd2->use_sctpmap());
+ EXPECT_EQ(dcd1->port(), dcd2->port());
+ EXPECT_EQ(dcd1->max_message_size(), dcd2->max_message_size());
+ }
+
+ void CompareSessionDescription(const SessionDescription& desc1,
+ const SessionDescription& desc2) {
+ // Compare content descriptions.
+ if (desc1.contents().size() != desc2.contents().size()) {
+ ADD_FAILURE();
+ return;
+ }
+ for (size_t i = 0; i < desc1.contents().size(); ++i) {
+ const cricket::ContentInfo& c1 = desc1.contents().at(i);
+ const cricket::ContentInfo& c2 = desc2.contents().at(i);
+ // ContentInfo properties.
+ EXPECT_EQ(c1.name, c2.name);
+ EXPECT_EQ(c1.type, c2.type);
+ EXPECT_EQ(c1.rejected, c2.rejected);
+ EXPECT_EQ(c1.bundle_only, c2.bundle_only);
+
+ ASSERT_EQ(IsAudioContent(&c1), IsAudioContent(&c2));
+ if (IsAudioContent(&c1)) {
+ const AudioContentDescription* acd1 =
+ c1.media_description()->as_audio();
+ const AudioContentDescription* acd2 =
+ c2.media_description()->as_audio();
+ CompareMediaContentDescription<AudioContentDescription>(acd1, acd2);
+ }
+
+ ASSERT_EQ(IsVideoContent(&c1), IsVideoContent(&c2));
+ if (IsVideoContent(&c1)) {
+ const VideoContentDescription* vcd1 =
+ c1.media_description()->as_video();
+ const VideoContentDescription* vcd2 =
+ c2.media_description()->as_video();
+ CompareMediaContentDescription<VideoContentDescription>(vcd1, vcd2);
+ }
+
+ ASSERT_EQ(IsDataContent(&c1), IsDataContent(&c2));
+ if (c1.media_description()->as_sctp()) {
+ ASSERT_TRUE(c2.media_description()->as_sctp());
+ const SctpDataContentDescription* scd1 =
+ c1.media_description()->as_sctp();
+ const SctpDataContentDescription* scd2 =
+ c2.media_description()->as_sctp();
+ CompareSctpDataContentDescription(scd1, scd2);
+ }
+
+ CompareSimulcastDescription(
+ c1.media_description()->simulcast_description(),
+ c2.media_description()->simulcast_description());
+ }
+
+ // group
+ const cricket::ContentGroups groups1 = desc1.groups();
+ const cricket::ContentGroups groups2 = desc2.groups();
+ EXPECT_EQ(groups1.size(), groups1.size());
+ if (groups1.size() != groups2.size()) {
+ ADD_FAILURE();
+ return;
+ }
+ for (size_t i = 0; i < groups1.size(); ++i) {
+ const cricket::ContentGroup group1 = groups1.at(i);
+ const cricket::ContentGroup group2 = groups2.at(i);
+ EXPECT_EQ(group1.semantics(), group2.semantics());
+ const cricket::ContentNames names1 = group1.content_names();
+ const cricket::ContentNames names2 = group2.content_names();
+ EXPECT_EQ(names1.size(), names2.size());
+ if (names1.size() != names2.size()) {
+ ADD_FAILURE();
+ return;
+ }
+ cricket::ContentNames::const_iterator iter1 = names1.begin();
+ cricket::ContentNames::const_iterator iter2 = names2.begin();
+ while (iter1 != names1.end()) {
+ EXPECT_EQ(*iter1++, *iter2++);
+ }
+ }
+
+ // transport info
+ const cricket::TransportInfos transports1 = desc1.transport_infos();
+ const cricket::TransportInfos transports2 = desc2.transport_infos();
+ EXPECT_EQ(transports1.size(), transports2.size());
+ if (transports1.size() != transports2.size()) {
+ ADD_FAILURE();
+ return;
+ }
+ for (size_t i = 0; i < transports1.size(); ++i) {
+ const cricket::TransportInfo transport1 = transports1.at(i);
+ const cricket::TransportInfo transport2 = transports2.at(i);
+ EXPECT_EQ(transport1.content_name, transport2.content_name);
+ EXPECT_EQ(transport1.description.ice_ufrag,
+ transport2.description.ice_ufrag);
+ EXPECT_EQ(transport1.description.ice_pwd, transport2.description.ice_pwd);
+ EXPECT_EQ(transport1.description.ice_mode,
+ transport2.description.ice_mode);
+ if (transport1.description.identity_fingerprint) {
+ EXPECT_EQ(*transport1.description.identity_fingerprint,
+ *transport2.description.identity_fingerprint);
+ } else {
+ EXPECT_EQ(transport1.description.identity_fingerprint.get(),
+ transport2.description.identity_fingerprint.get());
+ }
+ EXPECT_EQ(transport1.description.transport_options,
+ transport2.description.transport_options);
+ }
+
+ // global attributes
+ EXPECT_EQ(desc1.msid_supported(), desc2.msid_supported());
+ EXPECT_EQ(desc1.extmap_allow_mixed(), desc2.extmap_allow_mixed());
+ }
+
+ bool CompareSessionDescription(const JsepSessionDescription& desc1,
+ const JsepSessionDescription& desc2) {
+ EXPECT_EQ(desc1.session_id(), desc2.session_id());
+ EXPECT_EQ(desc1.session_version(), desc2.session_version());
+ CompareSessionDescription(*desc1.description(), *desc2.description());
+ if (desc1.number_of_mediasections() != desc2.number_of_mediasections())
+ return false;
+ for (size_t i = 0; i < desc1.number_of_mediasections(); ++i) {
+ const IceCandidateCollection* cc1 = desc1.candidates(i);
+ const IceCandidateCollection* cc2 = desc2.candidates(i);
+ if (cc1->count() != cc2->count()) {
+ ADD_FAILURE();
+ return false;
+ }
+ for (size_t j = 0; j < cc1->count(); ++j) {
+ const IceCandidateInterface* c1 = cc1->at(j);
+ const IceCandidateInterface* c2 = cc2->at(j);
+ EXPECT_EQ(c1->sdp_mid(), c2->sdp_mid());
+ EXPECT_EQ(c1->sdp_mline_index(), c2->sdp_mline_index());
+ EXPECT_TRUE(c1->candidate().IsEquivalent(c2->candidate()));
+ }
+ }
+ return true;
+ }
+
+ // Disable the ice-ufrag and ice-pwd in given `sdp` message by replacing
+ // them with invalid keywords so that the parser will just ignore them.
+ bool RemoveCandidateUfragPwd(std::string* sdp) {
+ absl::StrReplaceAll(
+ {{"a=ice-ufrag", "a=xice-ufrag"}, {"a=ice-pwd", "a=xice-pwd"}}, sdp);
+ return true;
+ }
+
+ // Update the candidates in `jdesc` to use the given `ufrag` and `pwd`.
+ bool UpdateCandidateUfragPwd(JsepSessionDescription* jdesc,
+ int mline_index,
+ const std::string& ufrag,
+ const std::string& pwd) {
+ std::string content_name;
+ if (mline_index == 0) {
+ content_name = kAudioContentName;
+ } else if (mline_index == 1) {
+ content_name = kVideoContentName;
+ } else {
+ RTC_DCHECK_NOTREACHED();
+ }
+ TransportInfo transport_info(content_name,
+ TransportDescription(ufrag, pwd));
+ SessionDescription* desc =
+ const_cast<SessionDescription*>(jdesc->description());
+ desc->RemoveTransportInfoByName(content_name);
+ desc->AddTransportInfo(transport_info);
+ for (size_t i = 0; i < jdesc_.number_of_mediasections(); ++i) {
+ const IceCandidateCollection* cc = jdesc_.candidates(i);
+ for (size_t j = 0; j < cc->count(); ++j) {
+ if (cc->at(j)->sdp_mline_index() == mline_index) {
+ const_cast<Candidate&>(cc->at(j)->candidate()).set_username(ufrag);
+ const_cast<Candidate&>(cc->at(j)->candidate()).set_password(pwd);
+ }
+ }
+ }
+ return true;
+ }
+
+ void AddIceOptions(const std::string& content_name,
+ const std::vector<std::string>& transport_options) {
+ ASSERT_TRUE(desc_.GetTransportInfoByName(content_name) != NULL);
+ cricket::TransportInfo transport_info =
+ *(desc_.GetTransportInfoByName(content_name));
+ desc_.RemoveTransportInfoByName(content_name);
+ transport_info.description.transport_options = transport_options;
+ desc_.AddTransportInfo(transport_info);
+ }
+
+ void SetIceUfragPwd(const std::string& content_name,
+ const std::string& ice_ufrag,
+ const std::string& ice_pwd) {
+ ASSERT_TRUE(desc_.GetTransportInfoByName(content_name) != NULL);
+ cricket::TransportInfo transport_info =
+ *(desc_.GetTransportInfoByName(content_name));
+ desc_.RemoveTransportInfoByName(content_name);
+ transport_info.description.ice_ufrag = ice_ufrag;
+ transport_info.description.ice_pwd = ice_pwd;
+ desc_.AddTransportInfo(transport_info);
+ }
+
+ void AddFingerprint() {
+ desc_.RemoveTransportInfoByName(kAudioContentName);
+ desc_.RemoveTransportInfoByName(kVideoContentName);
+ rtc::SSLFingerprint fingerprint(rtc::DIGEST_SHA_1, kIdentityDigest);
+ desc_.AddTransportInfo(TransportInfo(
+ kAudioContentName,
+ TransportDescription(std::vector<std::string>(), kUfragVoice, kPwdVoice,
+ cricket::ICEMODE_FULL,
+ cricket::CONNECTIONROLE_NONE, &fingerprint)));
+ desc_.AddTransportInfo(TransportInfo(
+ kVideoContentName,
+ TransportDescription(std::vector<std::string>(), kUfragVideo, kPwdVideo,
+ cricket::ICEMODE_FULL,
+ cricket::CONNECTIONROLE_NONE, &fingerprint)));
+ }
+
+ void AddExtmap(bool encrypted) {
+ audio_desc_ = new AudioContentDescription(*audio_desc_);
+ video_desc_ = new VideoContentDescription(*video_desc_);
+ audio_desc_->AddRtpHeaderExtension(
+ RtpExtension(kExtmapUri, kExtmapId, encrypted));
+ video_desc_->AddRtpHeaderExtension(
+ RtpExtension(kExtmapUri, kExtmapId, encrypted));
+ desc_.RemoveContentByName(kAudioContentName);
+ desc_.RemoveContentByName(kVideoContentName);
+ desc_.AddContent(kAudioContentName, MediaProtocolType::kRtp,
+ absl::WrapUnique(audio_desc_));
+ desc_.AddContent(kVideoContentName, MediaProtocolType::kRtp,
+ absl::WrapUnique(video_desc_));
+ }
+
+ void RemoveCryptos() {
+ audio_desc_->set_cryptos(std::vector<CryptoParams>());
+ video_desc_->set_cryptos(std::vector<CryptoParams>());
+ }
+
+ // Removes everything in StreamParams from the session description that is
+ // used for a=ssrc lines.
+ void RemoveSsrcSignalingFromStreamParams() {
+ for (cricket::ContentInfo& content_info :
+ jdesc_.description()->contents()) {
+ // With Unified Plan there should be one StreamParams per m= section.
+ StreamParams& stream =
+ content_info.media_description()->mutable_streams()[0];
+ stream.ssrcs.clear();
+ stream.ssrc_groups.clear();
+ stream.cname.clear();
+ }
+ }
+
+ // Removes all a=ssrc lines from the SDP string, except for the
+ // "a=ssrc:... cname:..." lines.
+ void RemoveSsrcMsidLinesFromSdpString(std::string* sdp_string) {
+ const char kAttributeSsrc[] = "a=ssrc";
+ const char kAttributeCname[] = "cname";
+ size_t ssrc_line_pos = sdp_string->find(kAttributeSsrc);
+ while (ssrc_line_pos != std::string::npos) {
+ size_t beg_line_pos = sdp_string->rfind('\n', ssrc_line_pos);
+ size_t end_line_pos = sdp_string->find('\n', ssrc_line_pos);
+ size_t cname_pos = sdp_string->find(kAttributeCname, ssrc_line_pos);
+ if (cname_pos == std::string::npos || cname_pos > end_line_pos) {
+ // Only erase a=ssrc lines that don't contain "cname".
+ sdp_string->erase(beg_line_pos, end_line_pos - beg_line_pos);
+ ssrc_line_pos = sdp_string->find(kAttributeSsrc, beg_line_pos);
+ } else {
+ // Skip the "a=ssrc:... cname" line and find the next "a=ssrc" line.
+ ssrc_line_pos = sdp_string->find(kAttributeSsrc, end_line_pos);
+ }
+ }
+ }
+
+ // Removes all a=ssrc lines from the SDP string.
+ void RemoveSsrcLinesFromSdpString(std::string* sdp_string) {
+ const char kAttributeSsrc[] = "a=ssrc";
+ while (sdp_string->find(kAttributeSsrc) != std::string::npos) {
+ size_t pos_ssrc_attribute = sdp_string->find(kAttributeSsrc);
+ size_t beg_line_pos = sdp_string->rfind('\n', pos_ssrc_attribute);
+ size_t end_line_pos = sdp_string->find('\n', pos_ssrc_attribute);
+ sdp_string->erase(beg_line_pos, end_line_pos - beg_line_pos);
+ }
+ }
+
+ bool TestSerializeDirection(RtpTransceiverDirection direction) {
+ audio_desc_->set_direction(direction);
+ video_desc_->set_direction(direction);
+ std::string new_sdp = kSdpFullString;
+ ReplaceDirection(direction, &new_sdp);
+
+ if (!jdesc_.Initialize(desc_.Clone(), jdesc_.session_id(),
+ jdesc_.session_version())) {
+ return false;
+ }
+ std::string message = webrtc::SdpSerialize(jdesc_);
+ EXPECT_EQ(new_sdp, message);
+ return true;
+ }
+
+ bool TestSerializeRejected(bool audio_rejected, bool video_rejected) {
+ audio_desc_ = new AudioContentDescription(*audio_desc_);
+ video_desc_ = new VideoContentDescription(*video_desc_);
+
+ desc_.RemoveContentByName(kAudioContentName);
+ desc_.RemoveContentByName(kVideoContentName);
+ desc_.AddContent(kAudioContentName, MediaProtocolType::kRtp, audio_rejected,
+ absl::WrapUnique(audio_desc_));
+ desc_.AddContent(kVideoContentName, MediaProtocolType::kRtp, video_rejected,
+ absl::WrapUnique(video_desc_));
+ SetIceUfragPwd(kAudioContentName, audio_rejected ? "" : kUfragVoice,
+ audio_rejected ? "" : kPwdVoice);
+ SetIceUfragPwd(kVideoContentName, video_rejected ? "" : kUfragVideo,
+ video_rejected ? "" : kPwdVideo);
+
+ std::string new_sdp = kSdpString;
+ ReplaceRejected(audio_rejected, video_rejected, &new_sdp);
+
+ JsepSessionDescription jdesc_no_candidates(kDummyType);
+ MakeDescriptionWithoutCandidates(&jdesc_no_candidates);
+ std::string message = webrtc::SdpSerialize(jdesc_no_candidates);
+ EXPECT_EQ(new_sdp, message);
+ return true;
+ }
+
+ void AddSctpDataChannel(bool use_sctpmap) {
+ std::unique_ptr<SctpDataContentDescription> data(
+ new SctpDataContentDescription());
+ sctp_desc_ = data.get();
+ sctp_desc_->set_use_sctpmap(use_sctpmap);
+ sctp_desc_->set_protocol(cricket::kMediaProtocolUdpDtlsSctp);
+ sctp_desc_->set_port(kDefaultSctpPort);
+ desc_.AddContent(kDataContentName, MediaProtocolType::kSctp,
+ std::move(data));
+ desc_.AddTransportInfo(TransportInfo(
+ kDataContentName, TransportDescription(kUfragData, kPwdData)));
+ }
+
+ bool TestDeserializeDirection(RtpTransceiverDirection direction) {
+ std::string new_sdp = kSdpFullString;
+ ReplaceDirection(direction, &new_sdp);
+ JsepSessionDescription new_jdesc(kDummyType);
+
+ EXPECT_TRUE(SdpDeserialize(new_sdp, &new_jdesc));
+
+ audio_desc_->set_direction(direction);
+ video_desc_->set_direction(direction);
+ if (!jdesc_.Initialize(desc_.Clone(), jdesc_.session_id(),
+ jdesc_.session_version())) {
+ return false;
+ }
+ EXPECT_TRUE(CompareSessionDescription(jdesc_, new_jdesc));
+ return true;
+ }
+
+ bool TestDeserializeRejected(bool audio_rejected, bool video_rejected) {
+ std::string new_sdp = kSdpString;
+ ReplaceRejected(audio_rejected, video_rejected, &new_sdp);
+ JsepSessionDescription new_jdesc(SdpType::kOffer);
+ EXPECT_TRUE(SdpDeserialize(new_sdp, &new_jdesc));
+
+ audio_desc_ = new AudioContentDescription(*audio_desc_);
+ video_desc_ = new VideoContentDescription(*video_desc_);
+ desc_.RemoveContentByName(kAudioContentName);
+ desc_.RemoveContentByName(kVideoContentName);
+ desc_.AddContent(kAudioContentName, MediaProtocolType::kRtp, audio_rejected,
+ absl::WrapUnique(audio_desc_));
+ desc_.AddContent(kVideoContentName, MediaProtocolType::kRtp, video_rejected,
+ absl::WrapUnique(video_desc_));
+ SetIceUfragPwd(kAudioContentName, audio_rejected ? "" : kUfragVoice,
+ audio_rejected ? "" : kPwdVoice);
+ SetIceUfragPwd(kVideoContentName, video_rejected ? "" : kUfragVideo,
+ video_rejected ? "" : kPwdVideo);
+ JsepSessionDescription jdesc_no_candidates(kDummyType);
+ if (!jdesc_no_candidates.Initialize(desc_.Clone(), jdesc_.session_id(),
+ jdesc_.session_version())) {
+ return false;
+ }
+ EXPECT_TRUE(CompareSessionDescription(jdesc_no_candidates, new_jdesc));
+ return true;
+ }
+
+ void TestDeserializeExtmap(bool session_level,
+ bool media_level,
+ bool encrypted) {
+ AddExtmap(encrypted);
+ JsepSessionDescription new_jdesc(SdpType::kOffer);
+ ASSERT_TRUE(new_jdesc.Initialize(desc_.Clone(), jdesc_.session_id(),
+ jdesc_.session_version()));
+ JsepSessionDescription jdesc_with_extmap(SdpType::kOffer);
+ std::string sdp_with_extmap = kSdpString;
+ if (session_level) {
+ InjectAfter(kSessionTime,
+ encrypted ? kExtmapWithDirectionAndAttributeEncrypted
+ : kExtmapWithDirectionAndAttribute,
+ &sdp_with_extmap);
+ }
+ if (media_level) {
+ InjectAfter(kAttributeIcePwdVoice,
+ encrypted ? kExtmapWithDirectionAndAttributeEncrypted
+ : kExtmapWithDirectionAndAttribute,
+ &sdp_with_extmap);
+ InjectAfter(kAttributeIcePwdVideo,
+ encrypted ? kExtmapWithDirectionAndAttributeEncrypted
+ : kExtmapWithDirectionAndAttribute,
+ &sdp_with_extmap);
+ }
+ // The extmap can't be present at the same time in both session level and
+ // media level.
+ if (session_level && media_level) {
+ SdpParseError error;
+ EXPECT_FALSE(
+ webrtc::SdpDeserialize(sdp_with_extmap, &jdesc_with_extmap, &error));
+ EXPECT_NE(std::string::npos, error.description.find("a=extmap"));
+ } else {
+ EXPECT_TRUE(SdpDeserialize(sdp_with_extmap, &jdesc_with_extmap));
+ EXPECT_TRUE(CompareSessionDescription(jdesc_with_extmap, new_jdesc));
+ }
+ }
+
+ void VerifyCodecParameter(const cricket::CodecParameterMap& params,
+ const std::string& name,
+ int expected_value) {
+ cricket::CodecParameterMap::const_iterator found = params.find(name);
+ ASSERT_TRUE(found != params.end());
+ EXPECT_EQ(found->second, rtc::ToString(expected_value));
+ }
+
+ void TestDeserializeCodecParams(const CodecParams& params,
+ JsepSessionDescription* jdesc_output) {
+ std::string sdp =
+ "v=0\r\n"
+ "o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
+ "s=-\r\n"
+ "t=0 0\r\n"
+ // Include semantics for WebRTC Media Streams since it is supported by
+ // this parser, and will be added to the SDP when serializing a session
+ // description.
+ "a=msid-semantic: WMS\r\n"
+ // Pl type 111 preferred.
+ "m=audio 9 RTP/SAVPF 111 104 103 105\r\n"
+ // Pltype 111 listed before 103 and 104 in the map.
+ "a=rtpmap:111 opus/48000/2\r\n"
+ // Pltype 103 listed before 104.
+ "a=rtpmap:103 ISAC/16000\r\n"
+ "a=rtpmap:104 ISAC/32000\r\n"
+ "a=rtpmap:105 telephone-event/8000\r\n"
+ "a=fmtp:105 0-15,66,70\r\n"
+ "a=fmtp:111 ";
+ std::ostringstream os;
+ os << "minptime=" << params.min_ptime << "; stereo=" << params.stereo
+ << "; sprop-stereo=" << params.sprop_stereo
+ << "; useinbandfec=" << params.useinband
+ << "; maxaveragebitrate=" << params.maxaveragebitrate
+ << "\r\n"
+ "a=ptime:"
+ << params.ptime
+ << "\r\n"
+ "a=maxptime:"
+ << params.max_ptime << "\r\n";
+ sdp += os.str();
+
+ os.clear();
+ os.str("");
+ // Pl type 100 preferred.
+ os << "m=video 9 RTP/SAVPF 99 95 96\r\n"
+ "a=rtpmap:96 VP9/90000\r\n" // out-of-order wrt the m= line.
+ "a=rtpmap:99 VP8/90000\r\n"
+ "a=rtpmap:95 RTX/90000\r\n"
+ "a=fmtp:95 apt=99;\r\n";
+ sdp += os.str();
+
+ // Deserialize
+ SdpParseError error;
+ EXPECT_TRUE(webrtc::SdpDeserialize(sdp, jdesc_output, &error));
+
+ const AudioContentDescription* acd =
+ GetFirstAudioContentDescription(jdesc_output->description());
+ ASSERT_TRUE(acd);
+ ASSERT_FALSE(acd->codecs().empty());
+ cricket::AudioCodec opus = acd->codecs()[0];
+ EXPECT_EQ("opus", opus.name);
+ EXPECT_EQ(111, opus.id);
+ VerifyCodecParameter(opus.params, "minptime", params.min_ptime);
+ VerifyCodecParameter(opus.params, "stereo", params.stereo);
+ VerifyCodecParameter(opus.params, "sprop-stereo", params.sprop_stereo);
+ VerifyCodecParameter(opus.params, "useinbandfec", params.useinband);
+ VerifyCodecParameter(opus.params, "maxaveragebitrate",
+ params.maxaveragebitrate);
+ for (size_t i = 0; i < acd->codecs().size(); ++i) {
+ cricket::AudioCodec codec = acd->codecs()[i];
+ VerifyCodecParameter(codec.params, "ptime", params.ptime);
+ VerifyCodecParameter(codec.params, "maxptime", params.max_ptime);
+ }
+
+ cricket::AudioCodec dtmf = acd->codecs()[3];
+ EXPECT_EQ("telephone-event", dtmf.name);
+ EXPECT_EQ(105, dtmf.id);
+ EXPECT_EQ(3u,
+ dtmf.params.size()); // ptime and max_ptime count as parameters.
+ EXPECT_EQ(dtmf.params.begin()->first, "");
+ EXPECT_EQ(dtmf.params.begin()->second, "0-15,66,70");
+
+ const VideoContentDescription* vcd =
+ GetFirstVideoContentDescription(jdesc_output->description());
+ ASSERT_TRUE(vcd);
+ ASSERT_FALSE(vcd->codecs().empty());
+ cricket::VideoCodec vp8 = vcd->codecs()[0];
+ EXPECT_EQ("VP8", vp8.name);
+ EXPECT_EQ(99, vp8.id);
+ cricket::VideoCodec rtx = vcd->codecs()[1];
+ EXPECT_EQ("RTX", rtx.name);
+ EXPECT_EQ(95, rtx.id);
+ VerifyCodecParameter(rtx.params, "apt", vp8.id);
+ // VP9 is listed last in the m= line so should come after VP8 and RTX.
+ cricket::VideoCodec vp9 = vcd->codecs()[2];
+ EXPECT_EQ("VP9", vp9.name);
+ EXPECT_EQ(96, vp9.id);
+ }
+
+ void TestDeserializeRtcpFb(JsepSessionDescription* jdesc_output,
+ bool use_wildcard) {
+ std::string sdp_session_and_audio =
+ "v=0\r\n"
+ "o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
+ "s=-\r\n"
+ "t=0 0\r\n"
+ // Include semantics for WebRTC Media Streams since it is supported by
+ // this parser, and will be added to the SDP when serializing a session
+ // description.
+ "a=msid-semantic: WMS\r\n"
+ "m=audio 9 RTP/SAVPF 111\r\n"
+ "a=rtpmap:111 opus/48000/2\r\n";
+ std::string sdp_video =
+ "m=video 3457 RTP/SAVPF 101\r\n"
+ "a=rtpmap:101 VP8/90000\r\n"
+ "a=rtcp-fb:101 goog-lntf\r\n"
+ "a=rtcp-fb:101 nack\r\n"
+ "a=rtcp-fb:101 nack pli\r\n"
+ "a=rtcp-fb:101 goog-remb\r\n";
+ std::ostringstream os;
+ os << sdp_session_and_audio;
+ os << "a=rtcp-fb:" << (use_wildcard ? "*" : "111") << " nack\r\n";
+ os << sdp_video;
+ os << "a=rtcp-fb:" << (use_wildcard ? "*" : "101") << " ccm fir\r\n";
+ std::string sdp = os.str();
+ // Deserialize
+ SdpParseError error;
+ EXPECT_TRUE(webrtc::SdpDeserialize(sdp, jdesc_output, &error));
+ const AudioContentDescription* acd =
+ GetFirstAudioContentDescription(jdesc_output->description());
+ ASSERT_TRUE(acd);
+ ASSERT_FALSE(acd->codecs().empty());
+ cricket::AudioCodec opus = acd->codecs()[0];
+ EXPECT_EQ(111, opus.id);
+ EXPECT_TRUE(opus.HasFeedbackParam(cricket::FeedbackParam(
+ cricket::kRtcpFbParamNack, cricket::kParamValueEmpty)));
+
+ const VideoContentDescription* vcd =
+ GetFirstVideoContentDescription(jdesc_output->description());
+ ASSERT_TRUE(vcd);
+ ASSERT_FALSE(vcd->codecs().empty());
+ cricket::VideoCodec vp8 = vcd->codecs()[0];
+ EXPECT_STREQ(webrtc::JsepSessionDescription::kDefaultVideoCodecName,
+ vp8.name.c_str());
+ EXPECT_EQ(101, vp8.id);
+ EXPECT_TRUE(vp8.HasFeedbackParam(cricket::FeedbackParam(
+ cricket::kRtcpFbParamLntf, cricket::kParamValueEmpty)));
+ EXPECT_TRUE(vp8.HasFeedbackParam(cricket::FeedbackParam(
+ cricket::kRtcpFbParamNack, cricket::kParamValueEmpty)));
+ EXPECT_TRUE(vp8.HasFeedbackParam(cricket::FeedbackParam(
+ cricket::kRtcpFbParamNack, cricket::kRtcpFbNackParamPli)));
+ EXPECT_TRUE(vp8.HasFeedbackParam(cricket::FeedbackParam(
+ cricket::kRtcpFbParamRemb, cricket::kParamValueEmpty)));
+ EXPECT_TRUE(vp8.HasFeedbackParam(cricket::FeedbackParam(
+ cricket::kRtcpFbParamCcm, cricket::kRtcpFbCcmParamFir)));
+ }
+
+ // Two SDP messages can mean the same thing but be different strings, e.g.
+ // some of the lines can be serialized in different order.
+ // However, a deserialized description can be compared field by field and has
+ // no order. If deserializer has already been tested, serializing then
+ // deserializing and comparing JsepSessionDescription will test
+ // the serializer sufficiently.
+ void TestSerialize(const JsepSessionDescription& jdesc) {
+ std::string message = webrtc::SdpSerialize(jdesc);
+ JsepSessionDescription jdesc_output_des(kDummyType);
+ SdpParseError error;
+ EXPECT_TRUE(webrtc::SdpDeserialize(message, &jdesc_output_des, &error));
+ EXPECT_TRUE(CompareSessionDescription(jdesc, jdesc_output_des));
+ }
+
+ // Calling 'Initialize' with a copy of the inner SessionDescription will
+ // create a copy of the JsepSessionDescription without candidates. The
+ // 'connection address' field, previously set from the candidates, must also
+ // be reset.
+ void MakeDescriptionWithoutCandidates(JsepSessionDescription* jdesc) {
+ rtc::SocketAddress audio_addr("0.0.0.0", 9);
+ rtc::SocketAddress video_addr("0.0.0.0", 9);
+ audio_desc_->set_connection_address(audio_addr);
+ video_desc_->set_connection_address(video_addr);
+ ASSERT_TRUE(jdesc->Initialize(desc_.Clone(), kSessionId, kSessionVersion));
+ }
+
+ protected:
+ SessionDescription desc_;
+ AudioContentDescription* audio_desc_;
+ VideoContentDescription* video_desc_;
+ SctpDataContentDescription* sctp_desc_;
+ Candidates candidates_;
+ std::unique_ptr<IceCandidateInterface> jcandidate_;
+ JsepSessionDescription jdesc_;
+};
+
+void TestMismatch(const std::string& string1, const std::string& string2) {
+ int position = 0;
+ for (size_t i = 0; i < string1.length() && i < string2.length(); ++i) {
+ if (string1.c_str()[i] != string2.c_str()[i]) {
+ position = static_cast<int>(i);
+ break;
+ }
+ }
+ EXPECT_EQ(0, position) << "Strings mismatch at the " << position
+ << " character\n"
+ " 1: "
+ << string1.substr(position, 20)
+ << "\n"
+ " 2: "
+ << string2.substr(position, 20) << "\n";
+}
+
+TEST_F(WebRtcSdpTest, SerializeSessionDescription) {
+ // SessionDescription with desc and candidates.
+ std::string message = webrtc::SdpSerialize(jdesc_);
+ TestMismatch(std::string(kSdpFullString), message);
+}
+
+TEST_F(WebRtcSdpTest, SerializeSessionDescriptionEmpty) {
+ JsepSessionDescription jdesc_empty(kDummyType);
+ EXPECT_EQ("", webrtc::SdpSerialize(jdesc_empty));
+}
+
+// This tests serialization of SDP with a=crypto and a=fingerprint, as would be
+// the case in a DTLS offer.
+TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithFingerprint) {
+ AddFingerprint();
+ JsepSessionDescription jdesc_with_fingerprint(kDummyType);
+ MakeDescriptionWithoutCandidates(&jdesc_with_fingerprint);
+ std::string message = webrtc::SdpSerialize(jdesc_with_fingerprint);
+
+ std::string sdp_with_fingerprint = kSdpString;
+ InjectAfter(kAttributeIcePwdVoice, kFingerprint, &sdp_with_fingerprint);
+ InjectAfter(kAttributeIcePwdVideo, kFingerprint, &sdp_with_fingerprint);
+
+ EXPECT_EQ(sdp_with_fingerprint, message);
+}
+
+// This tests serialization of SDP with a=fingerprint with no a=crypto, as would
+// be the case in a DTLS answer.
+TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithFingerprintNoCryptos) {
+ AddFingerprint();
+ RemoveCryptos();
+ JsepSessionDescription jdesc_with_fingerprint(kDummyType);
+ MakeDescriptionWithoutCandidates(&jdesc_with_fingerprint);
+ std::string message = webrtc::SdpSerialize(jdesc_with_fingerprint);
+
+ std::string sdp_with_fingerprint = kSdpString;
+ Replace(kAttributeCryptoVoice, "", &sdp_with_fingerprint);
+ Replace(kAttributeCryptoVideo, "", &sdp_with_fingerprint);
+ InjectAfter(kAttributeIcePwdVoice, kFingerprint, &sdp_with_fingerprint);
+ InjectAfter(kAttributeIcePwdVideo, kFingerprint, &sdp_with_fingerprint);
+
+ EXPECT_EQ(sdp_with_fingerprint, message);
+}
+
+TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithoutCandidates) {
+ // JsepSessionDescription with desc but without candidates.
+ JsepSessionDescription jdesc_no_candidates(kDummyType);
+ MakeDescriptionWithoutCandidates(&jdesc_no_candidates);
+ std::string message = webrtc::SdpSerialize(jdesc_no_candidates);
+ EXPECT_EQ(std::string(kSdpString), message);
+}
+
+TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithBundles) {
+ ContentGroup group1(cricket::GROUP_TYPE_BUNDLE);
+ group1.AddContentName(kAudioContentName);
+ group1.AddContentName(kVideoContentName);
+ desc_.AddGroup(group1);
+ ContentGroup group2(cricket::GROUP_TYPE_BUNDLE);
+ group2.AddContentName(kAudioContentName2);
+ desc_.AddGroup(group2);
+ ASSERT_TRUE(jdesc_.Initialize(desc_.Clone(), jdesc_.session_id(),
+ jdesc_.session_version()));
+ std::string message = webrtc::SdpSerialize(jdesc_);
+ std::string sdp_with_bundle = kSdpFullString;
+ InjectAfter(kSessionTime,
+ "a=group:BUNDLE audio_content_name video_content_name\r\n"
+ "a=group:BUNDLE audio_content_name_2\r\n",
+ &sdp_with_bundle);
+ EXPECT_EQ(sdp_with_bundle, message);
+}
+
+TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithBandwidth) {
+ VideoContentDescription* vcd = GetFirstVideoContentDescription(&desc_);
+ vcd->set_bandwidth(100 * 1000 + 755); // Integer division will drop the 755.
+ vcd->set_bandwidth_type("AS");
+ AudioContentDescription* acd = GetFirstAudioContentDescription(&desc_);
+ acd->set_bandwidth(555);
+ acd->set_bandwidth_type("TIAS");
+ ASSERT_TRUE(jdesc_.Initialize(desc_.Clone(), jdesc_.session_id(),
+ jdesc_.session_version()));
+ std::string message = webrtc::SdpSerialize(jdesc_);
+ std::string sdp_with_bandwidth = kSdpFullString;
+ InjectAfter("c=IN IP4 74.125.224.39\r\n", "b=AS:100\r\n",
+ &sdp_with_bandwidth);
+ InjectAfter("c=IN IP4 74.125.127.126\r\n", "b=TIAS:555\r\n",
+ &sdp_with_bandwidth);
+ EXPECT_EQ(sdp_with_bandwidth, message);
+}
+
+// Should default to b=AS if bandwidth_type isn't set.
+TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithMissingBandwidthType) {
+ VideoContentDescription* vcd = GetFirstVideoContentDescription(&desc_);
+ vcd->set_bandwidth(100 * 1000);
+ ASSERT_TRUE(jdesc_.Initialize(desc_.Clone(), jdesc_.session_id(),
+ jdesc_.session_version()));
+ std::string message = webrtc::SdpSerialize(jdesc_);
+ std::string sdp_with_bandwidth = kSdpFullString;
+ InjectAfter("c=IN IP4 74.125.224.39\r\n", "b=AS:100\r\n",
+ &sdp_with_bandwidth);
+ EXPECT_EQ(sdp_with_bandwidth, message);
+}
+
+TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithIceOptions) {
+ std::vector<std::string> transport_options;
+ transport_options.push_back(kIceOption1);
+ transport_options.push_back(kIceOption3);
+ AddIceOptions(kAudioContentName, transport_options);
+ transport_options.clear();
+ transport_options.push_back(kIceOption2);
+ transport_options.push_back(kIceOption3);
+ AddIceOptions(kVideoContentName, transport_options);
+ ASSERT_TRUE(jdesc_.Initialize(desc_.Clone(), jdesc_.session_id(),
+ jdesc_.session_version()));
+ std::string message = webrtc::SdpSerialize(jdesc_);
+ std::string sdp_with_ice_options = kSdpFullString;
+ InjectAfter(kAttributeIcePwdVoice, "a=ice-options:iceoption1 iceoption3\r\n",
+ &sdp_with_ice_options);
+ InjectAfter(kAttributeIcePwdVideo, "a=ice-options:iceoption2 iceoption3\r\n",
+ &sdp_with_ice_options);
+ EXPECT_EQ(sdp_with_ice_options, message);
+}
+
+TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithRecvOnlyContent) {
+ EXPECT_TRUE(TestSerializeDirection(RtpTransceiverDirection::kRecvOnly));
+}
+
+TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithSendOnlyContent) {
+ EXPECT_TRUE(TestSerializeDirection(RtpTransceiverDirection::kSendOnly));
+}
+
+TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithInactiveContent) {
+ EXPECT_TRUE(TestSerializeDirection(RtpTransceiverDirection::kInactive));
+}
+
+TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithAudioRejected) {
+ EXPECT_TRUE(TestSerializeRejected(true, false));
+}
+
+TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithVideoRejected) {
+ EXPECT_TRUE(TestSerializeRejected(false, true));
+}
+
+TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithAudioVideoRejected) {
+ EXPECT_TRUE(TestSerializeRejected(true, true));
+}
+
+TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithSctpDataChannel) {
+ bool use_sctpmap = true;
+ AddSctpDataChannel(use_sctpmap);
+ JsepSessionDescription jsep_desc(kDummyType);
+
+ MakeDescriptionWithoutCandidates(&jsep_desc);
+ std::string message = webrtc::SdpSerialize(jsep_desc);
+
+ std::string expected_sdp = kSdpString;
+ expected_sdp.append(kSdpSctpDataChannelString);
+ EXPECT_EQ(message, expected_sdp);
+}
+
+void MutateJsepSctpPort(JsepSessionDescription* jdesc,
+ const SessionDescription& desc,
+ int port) {
+ // Take our pre-built session description and change the SCTP port.
+ std::unique_ptr<cricket::SessionDescription> mutant = desc.Clone();
+ SctpDataContentDescription* dcdesc =
+ mutant->GetContentDescriptionByName(kDataContentName)->as_sctp();
+ dcdesc->set_port(port);
+ ASSERT_TRUE(
+ jdesc->Initialize(std::move(mutant), kSessionId, kSessionVersion));
+}
+
+TEST_F(WebRtcSdpTest, SerializeWithSctpDataChannelAndNewPort) {
+ bool use_sctpmap = true;
+ AddSctpDataChannel(use_sctpmap);
+ JsepSessionDescription jsep_desc(kDummyType);
+ MakeDescriptionWithoutCandidates(&jsep_desc);
+
+ const int kNewPort = 1234;
+ MutateJsepSctpPort(&jsep_desc, desc_, kNewPort);
+
+ std::string message = webrtc::SdpSerialize(jsep_desc);
+
+ std::string expected_sdp = kSdpString;
+ expected_sdp.append(kSdpSctpDataChannelString);
+
+ absl::StrReplaceAll(
+ {{rtc::ToString(kDefaultSctpPort), rtc::ToString(kNewPort)}},
+ &expected_sdp);
+
+ EXPECT_EQ(expected_sdp, message);
+}
+
+TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithExtmapAllowMixed) {
+ jdesc_.description()->set_extmap_allow_mixed(true);
+ TestSerialize(jdesc_);
+}
+
+TEST_F(WebRtcSdpTest, SerializeMediaContentDescriptionWithExtmapAllowMixed) {
+ cricket::MediaContentDescription* video_desc =
+ jdesc_.description()->GetContentDescriptionByName(kVideoContentName);
+ ASSERT_TRUE(video_desc);
+ cricket::MediaContentDescription* audio_desc =
+ jdesc_.description()->GetContentDescriptionByName(kAudioContentName);
+ ASSERT_TRUE(audio_desc);
+ video_desc->set_extmap_allow_mixed_enum(
+ cricket::MediaContentDescription::kMedia);
+ audio_desc->set_extmap_allow_mixed_enum(
+ cricket::MediaContentDescription::kMedia);
+ TestSerialize(jdesc_);
+}
+
+TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithExtmap) {
+ bool encrypted = false;
+ AddExtmap(encrypted);
+ JsepSessionDescription desc_with_extmap(kDummyType);
+ MakeDescriptionWithoutCandidates(&desc_with_extmap);
+ std::string message = webrtc::SdpSerialize(desc_with_extmap);
+
+ std::string sdp_with_extmap = kSdpString;
+ InjectAfter("a=mid:audio_content_name\r\n", kExtmap, &sdp_with_extmap);
+ InjectAfter("a=mid:video_content_name\r\n", kExtmap, &sdp_with_extmap);
+
+ EXPECT_EQ(sdp_with_extmap, message);
+}
+
+TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithExtmapEncrypted) {
+ bool encrypted = true;
+ AddExtmap(encrypted);
+ JsepSessionDescription desc_with_extmap(kDummyType);
+ ASSERT_TRUE(
+ desc_with_extmap.Initialize(desc_.Clone(), kSessionId, kSessionVersion));
+ TestSerialize(desc_with_extmap);
+}
+
+TEST_F(WebRtcSdpTest, SerializeCandidates) {
+ std::string message = webrtc::SdpSerializeCandidate(*jcandidate_);
+ EXPECT_EQ(std::string(kRawCandidate), message);
+
+ Candidate candidate_with_ufrag(candidates_.front());
+ candidate_with_ufrag.set_username("ABC");
+ jcandidate_.reset(new JsepIceCandidate(std::string("audio_content_name"), 0,
+ candidate_with_ufrag));
+ message = webrtc::SdpSerializeCandidate(*jcandidate_);
+ EXPECT_EQ(std::string(kRawCandidate) + " ufrag ABC", message);
+
+ Candidate candidate_with_network_info(candidates_.front());
+ candidate_with_network_info.set_network_id(1);
+ jcandidate_.reset(new JsepIceCandidate(std::string("audio"), 0,
+ candidate_with_network_info));
+ message = webrtc::SdpSerializeCandidate(*jcandidate_);
+ EXPECT_EQ(std::string(kRawCandidate) + " network-id 1", message);
+ candidate_with_network_info.set_network_cost(999);
+ jcandidate_.reset(new JsepIceCandidate(std::string("audio"), 0,
+ candidate_with_network_info));
+ message = webrtc::SdpSerializeCandidate(*jcandidate_);
+ EXPECT_EQ(std::string(kRawCandidate) + " network-id 1 network-cost 999",
+ message);
+}
+
+TEST_F(WebRtcSdpTest, SerializeHostnameCandidate) {
+ rtc::SocketAddress address("a.test", 1234);
+ cricket::Candidate candidate(
+ cricket::ICE_CANDIDATE_COMPONENT_RTP, "udp", address, kCandidatePriority,
+ "", "", LOCAL_PORT_TYPE, kCandidateGeneration, kCandidateFoundation1);
+ JsepIceCandidate jcandidate(std::string("audio_content_name"), 0, candidate);
+ std::string message = webrtc::SdpSerializeCandidate(jcandidate);
+ EXPECT_EQ(std::string(kRawHostnameCandidate), message);
+}
+
+TEST_F(WebRtcSdpTest, SerializeTcpCandidates) {
+ Candidate candidate(ICE_CANDIDATE_COMPONENT_RTP, "tcp",
+ rtc::SocketAddress("192.168.1.5", 9), kCandidatePriority,
+ "", "", LOCAL_PORT_TYPE, kCandidateGeneration,
+ kCandidateFoundation1);
+ candidate.set_tcptype(cricket::TCPTYPE_ACTIVE_STR);
+ std::unique_ptr<IceCandidateInterface> jcandidate(
+ new JsepIceCandidate(std::string("audio_content_name"), 0, candidate));
+
+ std::string message = webrtc::SdpSerializeCandidate(*jcandidate);
+ EXPECT_EQ(std::string(kSdpTcpActiveCandidate), message);
+}
+
+// Test serializing a TCP candidate that came in with a missing tcptype. This
+// shouldn't happen according to the spec, but our implementation has been
+// accepting this for quite some time, treating it as a passive candidate.
+//
+// So, we should be able to at least convert such candidates to and from SDP.
+// See: bugs.webrtc.org/11423
+TEST_F(WebRtcSdpTest, ParseTcpCandidateWithoutTcptype) {
+ std::string missing_tcptype =
+ "candidate:a0+B/1 1 tcp 2130706432 192.168.1.5 9999 typ host";
+ JsepIceCandidate jcandidate(kDummyMid, kDummyIndex);
+ EXPECT_TRUE(SdpDeserializeCandidate(missing_tcptype, &jcandidate));
+
+ EXPECT_EQ(std::string(cricket::TCPTYPE_PASSIVE_STR),
+ jcandidate.candidate().tcptype());
+}
+
+TEST_F(WebRtcSdpTest, ParseSslTcpCandidate) {
+ std::string ssltcp =
+ "candidate:a0+B/1 1 ssltcp 2130706432 192.168.1.5 9999 typ host tcptype "
+ "passive";
+ JsepIceCandidate jcandidate(kDummyMid, kDummyIndex);
+ EXPECT_TRUE(SdpDeserializeCandidate(ssltcp, &jcandidate));
+
+ EXPECT_EQ(std::string("ssltcp"), jcandidate.candidate().protocol());
+}
+
+TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithH264) {
+ cricket::VideoCodec h264_codec("H264");
+ h264_codec.SetParam("profile-level-id", "42e01f");
+ h264_codec.SetParam("level-asymmetry-allowed", "1");
+ h264_codec.SetParam("packetization-mode", "1");
+ video_desc_->AddCodec(h264_codec);
+
+ jdesc_.Initialize(desc_.Clone(), kSessionId, kSessionVersion);
+
+ std::string message = webrtc::SdpSerialize(jdesc_);
+ size_t after_pt = message.find(" H264/90000");
+ ASSERT_NE(after_pt, std::string::npos);
+ size_t before_pt = message.rfind("a=rtpmap:", after_pt);
+ ASSERT_NE(before_pt, std::string::npos);
+ before_pt += strlen("a=rtpmap:");
+ std::string pt = message.substr(before_pt, after_pt - before_pt);
+ // TODO(hta): Check if payload type `pt` occurs in the m=video line.
+ std::string to_find = "a=fmtp:" + pt + " ";
+ size_t fmtp_pos = message.find(to_find);
+ ASSERT_NE(std::string::npos, fmtp_pos) << "Failed to find " << to_find;
+ size_t fmtp_endpos = message.find('\n', fmtp_pos);
+ ASSERT_NE(std::string::npos, fmtp_endpos);
+ std::string fmtp_value = message.substr(fmtp_pos, fmtp_endpos);
+ EXPECT_NE(std::string::npos, fmtp_value.find("level-asymmetry-allowed=1"));
+ EXPECT_NE(std::string::npos, fmtp_value.find("packetization-mode=1"));
+ EXPECT_NE(std::string::npos, fmtp_value.find("profile-level-id=42e01f"));
+ // Check that there are no spaces after semicolons.
+ // https://bugs.webrtc.org/5793
+ EXPECT_EQ(std::string::npos, fmtp_value.find("; "));
+}
+
+TEST_F(WebRtcSdpTest, DeserializeSessionDescription) {
+ JsepSessionDescription jdesc(kDummyType);
+ // Deserialize
+ EXPECT_TRUE(SdpDeserialize(kSdpFullString, &jdesc));
+ // Verify
+ EXPECT_TRUE(CompareSessionDescription(jdesc_, jdesc));
+}
+
+TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithoutMline) {
+ JsepSessionDescription jdesc(kDummyType);
+ const char kSdpWithoutMline[] =
+ "v=0\r\n"
+ "o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
+ "s=-\r\n"
+ "t=0 0\r\n"
+ "a=msid-semantic: WMS local_stream_1 local_stream_2\r\n";
+ // Deserialize
+ EXPECT_TRUE(SdpDeserialize(kSdpWithoutMline, &jdesc));
+ EXPECT_EQ(0u, jdesc.description()->contents().size());
+}
+
+TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithoutCarriageReturn) {
+ JsepSessionDescription jdesc(kDummyType);
+ std::string sdp_without_carriage_return = kSdpFullString;
+ Replace("\r\n", "\n", &sdp_without_carriage_return);
+ // Deserialize
+ EXPECT_TRUE(SdpDeserialize(sdp_without_carriage_return, &jdesc));
+ // Verify
+ EXPECT_TRUE(CompareSessionDescription(jdesc_, jdesc));
+}
+
+TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithoutCandidates) {
+ // SessionDescription with desc but without candidates.
+ JsepSessionDescription jdesc_no_candidates(kDummyType);
+ ASSERT_TRUE(jdesc_no_candidates.Initialize(desc_.Clone(), kSessionId,
+ kSessionVersion));
+ JsepSessionDescription new_jdesc(kDummyType);
+ EXPECT_TRUE(SdpDeserialize(kSdpString, &new_jdesc));
+ EXPECT_TRUE(CompareSessionDescription(jdesc_no_candidates, new_jdesc));
+}
+
+TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithoutRtpmap) {
+ static const char kSdpNoRtpmapString[] =
+ "v=0\r\n"
+ "o=- 11 22 IN IP4 127.0.0.1\r\n"
+ "s=-\r\n"
+ "t=0 0\r\n"
+ "m=audio 49232 RTP/AVP 0 18 103\r\n"
+ // Codec that doesn't appear in the m= line will be ignored.
+ "a=rtpmap:104 ISAC/32000\r\n"
+ // The rtpmap line for static payload codec is optional.
+ "a=rtpmap:18 G729/8000\r\n"
+ "a=rtpmap:103 ISAC/16000\r\n";
+
+ JsepSessionDescription jdesc(kDummyType);
+ EXPECT_TRUE(SdpDeserialize(kSdpNoRtpmapString, &jdesc));
+ cricket::AudioContentDescription* audio =
+ cricket::GetFirstAudioContentDescription(jdesc.description());
+ AudioCodecs ref_codecs;
+ // The codecs in the AudioContentDescription should be in the same order as
+ // the payload types (<fmt>s) on the m= line.
+ ref_codecs.push_back(AudioCodec(0, "PCMU", 8000, 0, 1));
+ ref_codecs.push_back(AudioCodec(18, "G729", 8000, 0, 1));
+ ref_codecs.push_back(AudioCodec(103, "ISAC", 16000, 0, 1));
+ EXPECT_EQ(ref_codecs, audio->codecs());
+}
+
+TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithoutRtpmapButWithFmtp) {
+ static const char kSdpNoRtpmapString[] =
+ "v=0\r\n"
+ "o=- 11 22 IN IP4 127.0.0.1\r\n"
+ "s=-\r\n"
+ "t=0 0\r\n"
+ "m=audio 49232 RTP/AVP 18 103\r\n"
+ "a=fmtp:18 annexb=yes\r\n"
+ "a=rtpmap:103 ISAC/16000\r\n";
+
+ JsepSessionDescription jdesc(kDummyType);
+ EXPECT_TRUE(SdpDeserialize(kSdpNoRtpmapString, &jdesc));
+ cricket::AudioContentDescription* audio =
+ cricket::GetFirstAudioContentDescription(jdesc.description());
+
+ cricket::AudioCodec g729 = audio->codecs()[0];
+ EXPECT_EQ("G729", g729.name);
+ EXPECT_EQ(8000, g729.clockrate);
+ EXPECT_EQ(18, g729.id);
+ cricket::CodecParameterMap::iterator found = g729.params.find("annexb");
+ ASSERT_TRUE(found != g729.params.end());
+ EXPECT_EQ(found->second, "yes");
+
+ cricket::AudioCodec isac = audio->codecs()[1];
+ EXPECT_EQ("ISAC", isac.name);
+ EXPECT_EQ(103, isac.id);
+ EXPECT_EQ(16000, isac.clockrate);
+}
+
+// Ensure that we can deserialize SDP with a=fingerprint properly.
+TEST_F(WebRtcSdpTest, DeserializeJsepSessionDescriptionWithFingerprint) {
+ // Add a DTLS a=fingerprint attribute to our session description.
+ AddFingerprint();
+ JsepSessionDescription new_jdesc(kDummyType);
+ ASSERT_TRUE(new_jdesc.Initialize(desc_.Clone(), jdesc_.session_id(),
+ jdesc_.session_version()));
+
+ JsepSessionDescription jdesc_with_fingerprint(kDummyType);
+ std::string sdp_with_fingerprint = kSdpString;
+ InjectAfter(kAttributeIcePwdVoice, kFingerprint, &sdp_with_fingerprint);
+ InjectAfter(kAttributeIcePwdVideo, kFingerprint, &sdp_with_fingerprint);
+ EXPECT_TRUE(SdpDeserialize(sdp_with_fingerprint, &jdesc_with_fingerprint));
+ EXPECT_TRUE(CompareSessionDescription(jdesc_with_fingerprint, new_jdesc));
+}
+
+TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithBundle) {
+ JsepSessionDescription jdesc_with_bundle(kDummyType);
+ std::string sdp_with_bundle = kSdpFullString;
+ InjectAfter(kSessionTime,
+ "a=group:BUNDLE audio_content_name video_content_name\r\n",
+ &sdp_with_bundle);
+ EXPECT_TRUE(SdpDeserialize(sdp_with_bundle, &jdesc_with_bundle));
+ ContentGroup group(cricket::GROUP_TYPE_BUNDLE);
+ group.AddContentName(kAudioContentName);
+ group.AddContentName(kVideoContentName);
+ desc_.AddGroup(group);
+ ASSERT_TRUE(jdesc_.Initialize(desc_.Clone(), jdesc_.session_id(),
+ jdesc_.session_version()));
+ EXPECT_TRUE(CompareSessionDescription(jdesc_, jdesc_with_bundle));
+}
+
+TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithBandwidth) {
+ JsepSessionDescription jdesc_with_bandwidth(kDummyType);
+ std::string sdp_with_bandwidth = kSdpFullString;
+ InjectAfter("a=mid:video_content_name\r\na=sendrecv\r\n", "b=AS:100\r\n",
+ &sdp_with_bandwidth);
+ InjectAfter("a=mid:audio_content_name\r\na=sendrecv\r\n", "b=AS:50\r\n",
+ &sdp_with_bandwidth);
+ EXPECT_TRUE(SdpDeserialize(sdp_with_bandwidth, &jdesc_with_bandwidth));
+ VideoContentDescription* vcd = GetFirstVideoContentDescription(&desc_);
+ vcd->set_bandwidth(100 * 1000);
+ AudioContentDescription* acd = GetFirstAudioContentDescription(&desc_);
+ acd->set_bandwidth(50 * 1000);
+ ASSERT_TRUE(jdesc_.Initialize(desc_.Clone(), jdesc_.session_id(),
+ jdesc_.session_version()));
+ EXPECT_TRUE(CompareSessionDescription(jdesc_, jdesc_with_bandwidth));
+}
+
+TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithTiasBandwidth) {
+ JsepSessionDescription jdesc_with_bandwidth(kDummyType);
+ std::string sdp_with_bandwidth = kSdpFullString;
+ InjectAfter("a=mid:video_content_name\r\na=sendrecv\r\n", "b=TIAS:100000\r\n",
+ &sdp_with_bandwidth);
+ InjectAfter("a=mid:audio_content_name\r\na=sendrecv\r\n", "b=TIAS:50000\r\n",
+ &sdp_with_bandwidth);
+ EXPECT_TRUE(SdpDeserialize(sdp_with_bandwidth, &jdesc_with_bandwidth));
+ VideoContentDescription* vcd = GetFirstVideoContentDescription(&desc_);
+ vcd->set_bandwidth(100 * 1000);
+ AudioContentDescription* acd = GetFirstAudioContentDescription(&desc_);
+ acd->set_bandwidth(50 * 1000);
+ ASSERT_TRUE(jdesc_.Initialize(desc_.Clone(), jdesc_.session_id(),
+ jdesc_.session_version()));
+ EXPECT_TRUE(CompareSessionDescription(jdesc_, jdesc_with_bandwidth));
+}
+
+TEST_F(WebRtcSdpTest,
+ DeserializeSessionDescriptionWithUnknownBandwidthModifier) {
+ JsepSessionDescription jdesc_with_bandwidth(kDummyType);
+ std::string sdp_with_bandwidth = kSdpFullString;
+ InjectAfter("a=mid:video_content_name\r\na=sendrecv\r\n",
+ "b=unknown:100000\r\n", &sdp_with_bandwidth);
+ InjectAfter("a=mid:audio_content_name\r\na=sendrecv\r\n",
+ "b=unknown:50000\r\n", &sdp_with_bandwidth);
+ EXPECT_TRUE(SdpDeserialize(sdp_with_bandwidth, &jdesc_with_bandwidth));
+ VideoContentDescription* vcd = GetFirstVideoContentDescription(&desc_);
+ vcd->set_bandwidth(-1);
+ AudioContentDescription* acd = GetFirstAudioContentDescription(&desc_);
+ acd->set_bandwidth(-1);
+ ASSERT_TRUE(jdesc_.Initialize(desc_.Clone(), jdesc_.session_id(),
+ jdesc_.session_version()));
+ EXPECT_TRUE(CompareSessionDescription(jdesc_, jdesc_with_bandwidth));
+}
+
+TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithIceOptions) {
+ JsepSessionDescription jdesc_with_ice_options(kDummyType);
+ std::string sdp_with_ice_options = kSdpFullString;
+ InjectAfter(kSessionTime, "a=ice-options:iceoption3\r\n",
+ &sdp_with_ice_options);
+ InjectAfter(kAttributeIcePwdVoice, "a=ice-options:iceoption1\r\n",
+ &sdp_with_ice_options);
+ InjectAfter(kAttributeIcePwdVideo, "a=ice-options:iceoption2\r\n",
+ &sdp_with_ice_options);
+ EXPECT_TRUE(SdpDeserialize(sdp_with_ice_options, &jdesc_with_ice_options));
+ std::vector<std::string> transport_options;
+ transport_options.push_back(kIceOption3);
+ transport_options.push_back(kIceOption1);
+ AddIceOptions(kAudioContentName, transport_options);
+ transport_options.clear();
+ transport_options.push_back(kIceOption3);
+ transport_options.push_back(kIceOption2);
+ AddIceOptions(kVideoContentName, transport_options);
+ ASSERT_TRUE(jdesc_.Initialize(desc_.Clone(), jdesc_.session_id(),
+ jdesc_.session_version()));
+ EXPECT_TRUE(CompareSessionDescription(jdesc_, jdesc_with_ice_options));
+}
+
+TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithUfragPwd) {
+ // Remove the original ice-ufrag and ice-pwd
+ JsepSessionDescription jdesc_with_ufrag_pwd(kDummyType);
+ std::string sdp_with_ufrag_pwd = kSdpFullString;
+ EXPECT_TRUE(RemoveCandidateUfragPwd(&sdp_with_ufrag_pwd));
+ // Add session level ufrag and pwd
+ InjectAfter(kSessionTime,
+ "a=ice-pwd:session+level+icepwd\r\n"
+ "a=ice-ufrag:session+level+iceufrag\r\n",
+ &sdp_with_ufrag_pwd);
+ // Add media level ufrag and pwd for audio
+ InjectAfter(
+ "a=mid:audio_content_name\r\n",
+ "a=ice-pwd:media+level+icepwd\r\na=ice-ufrag:media+level+iceufrag\r\n",
+ &sdp_with_ufrag_pwd);
+ // Update the candidate ufrag and pwd to the expected ones.
+ EXPECT_TRUE(UpdateCandidateUfragPwd(&jdesc_, 0, "media+level+iceufrag",
+ "media+level+icepwd"));
+ EXPECT_TRUE(UpdateCandidateUfragPwd(&jdesc_, 1, "session+level+iceufrag",
+ "session+level+icepwd"));
+ EXPECT_TRUE(SdpDeserialize(sdp_with_ufrag_pwd, &jdesc_with_ufrag_pwd));
+ EXPECT_TRUE(CompareSessionDescription(jdesc_, jdesc_with_ufrag_pwd));
+}
+
+TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithRecvOnlyContent) {
+ EXPECT_TRUE(TestDeserializeDirection(RtpTransceiverDirection::kRecvOnly));
+}
+
+TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithSendOnlyContent) {
+ EXPECT_TRUE(TestDeserializeDirection(RtpTransceiverDirection::kSendOnly));
+}
+
+TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithInactiveContent) {
+ EXPECT_TRUE(TestDeserializeDirection(RtpTransceiverDirection::kInactive));
+}
+
+TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithRejectedAudio) {
+ EXPECT_TRUE(TestDeserializeRejected(true, false));
+}
+
+TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithRejectedVideo) {
+ EXPECT_TRUE(TestDeserializeRejected(false, true));
+}
+
+TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithRejectedAudioVideo) {
+ EXPECT_TRUE(TestDeserializeRejected(true, true));
+}
+
+TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithExtmapAllowMixed) {
+ jdesc_.description()->set_extmap_allow_mixed(true);
+ std::string sdp_with_extmap_allow_mixed = kSdpFullString;
+ // Deserialize
+ JsepSessionDescription jdesc_deserialized(kDummyType);
+ ASSERT_TRUE(SdpDeserialize(sdp_with_extmap_allow_mixed, &jdesc_deserialized));
+ // Verify
+ EXPECT_TRUE(CompareSessionDescription(jdesc_, jdesc_deserialized));
+}
+
+TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithoutExtmapAllowMixed) {
+ jdesc_.description()->set_extmap_allow_mixed(false);
+ std::string sdp_without_extmap_allow_mixed = kSdpFullString;
+ Replace(kExtmapAllowMixed, "", &sdp_without_extmap_allow_mixed);
+ // Deserialize
+ JsepSessionDescription jdesc_deserialized(kDummyType);
+ ASSERT_TRUE(
+ SdpDeserialize(sdp_without_extmap_allow_mixed, &jdesc_deserialized));
+ // Verify
+ EXPECT_TRUE(CompareSessionDescription(jdesc_, jdesc_deserialized));
+}
+
+TEST_F(WebRtcSdpTest, DeserializeMediaContentDescriptionWithExtmapAllowMixed) {
+ cricket::MediaContentDescription* video_desc =
+ jdesc_.description()->GetContentDescriptionByName(kVideoContentName);
+ ASSERT_TRUE(video_desc);
+ cricket::MediaContentDescription* audio_desc =
+ jdesc_.description()->GetContentDescriptionByName(kAudioContentName);
+ ASSERT_TRUE(audio_desc);
+ video_desc->set_extmap_allow_mixed_enum(
+ cricket::MediaContentDescription::kMedia);
+ audio_desc->set_extmap_allow_mixed_enum(
+ cricket::MediaContentDescription::kMedia);
+
+ std::string sdp_with_extmap_allow_mixed = kSdpFullString;
+ InjectAfter("a=mid:audio_content_name\r\n", kExtmapAllowMixed,
+ &sdp_with_extmap_allow_mixed);
+ InjectAfter("a=mid:video_content_name\r\n", kExtmapAllowMixed,
+ &sdp_with_extmap_allow_mixed);
+
+ // Deserialize
+ JsepSessionDescription jdesc_deserialized(kDummyType);
+ EXPECT_TRUE(SdpDeserialize(sdp_with_extmap_allow_mixed, &jdesc_deserialized));
+ // Verify
+ EXPECT_TRUE(CompareSessionDescription(jdesc_, jdesc_deserialized));
+}
+
+TEST_F(WebRtcSdpTest, DeserializeCandidate) {
+ JsepIceCandidate jcandidate(kDummyMid, kDummyIndex);
+
+ std::string sdp = kSdpOneCandidate;
+ EXPECT_TRUE(SdpDeserializeCandidate(sdp, &jcandidate));
+ EXPECT_EQ(kDummyMid, jcandidate.sdp_mid());
+ EXPECT_EQ(kDummyIndex, jcandidate.sdp_mline_index());
+ EXPECT_TRUE(jcandidate.candidate().IsEquivalent(jcandidate_->candidate()));
+ EXPECT_EQ(0, jcandidate.candidate().network_cost());
+
+ // Candidate line without generation extension.
+ sdp = kSdpOneCandidate;
+ Replace(" generation 2", "", &sdp);
+ EXPECT_TRUE(SdpDeserializeCandidate(sdp, &jcandidate));
+ EXPECT_EQ(kDummyMid, jcandidate.sdp_mid());
+ EXPECT_EQ(kDummyIndex, jcandidate.sdp_mline_index());
+ Candidate expected = jcandidate_->candidate();
+ expected.set_generation(0);
+ EXPECT_TRUE(jcandidate.candidate().IsEquivalent(expected));
+
+ // Candidate with network id and/or cost.
+ sdp = kSdpOneCandidate;
+ Replace(" generation 2", " generation 2 network-id 2", &sdp);
+ EXPECT_TRUE(SdpDeserializeCandidate(sdp, &jcandidate));
+ EXPECT_EQ(kDummyMid, jcandidate.sdp_mid());
+ EXPECT_EQ(kDummyIndex, jcandidate.sdp_mline_index());
+ expected = jcandidate_->candidate();
+ expected.set_network_id(2);
+ EXPECT_TRUE(jcandidate.candidate().IsEquivalent(expected));
+ EXPECT_EQ(0, jcandidate.candidate().network_cost());
+ // Add network cost
+ Replace(" network-id 2", " network-id 2 network-cost 9", &sdp);
+ EXPECT_TRUE(SdpDeserializeCandidate(sdp, &jcandidate));
+ EXPECT_TRUE(jcandidate.candidate().IsEquivalent(expected));
+ EXPECT_EQ(9, jcandidate.candidate().network_cost());
+
+ sdp = kSdpTcpActiveCandidate;
+ EXPECT_TRUE(SdpDeserializeCandidate(sdp, &jcandidate));
+ // Make a cricket::Candidate equivalent to kSdpTcpCandidate string.
+ Candidate candidate(ICE_CANDIDATE_COMPONENT_RTP, "tcp",
+ rtc::SocketAddress("192.168.1.5", 9), kCandidatePriority,
+ "", "", LOCAL_PORT_TYPE, kCandidateGeneration,
+ kCandidateFoundation1);
+ std::unique_ptr<IceCandidateInterface> jcandidate_template(
+ new JsepIceCandidate(std::string("audio_content_name"), 0, candidate));
+ EXPECT_TRUE(
+ jcandidate.candidate().IsEquivalent(jcandidate_template->candidate()));
+ sdp = kSdpTcpPassiveCandidate;
+ EXPECT_TRUE(SdpDeserializeCandidate(sdp, &jcandidate));
+ sdp = kSdpTcpSOCandidate;
+ EXPECT_TRUE(SdpDeserializeCandidate(sdp, &jcandidate));
+}
+
+// This test verifies the deserialization of candidate-attribute
+// as per RFC 5245. Candidate-attribute will be of the format
+// candidate:<blah>. This format will be used when candidates
+// are trickled.
+TEST_F(WebRtcSdpTest, DeserializeRawCandidateAttribute) {
+ JsepIceCandidate jcandidate(kDummyMid, kDummyIndex);
+
+ std::string candidate_attribute = kRawCandidate;
+ EXPECT_TRUE(SdpDeserializeCandidate(candidate_attribute, &jcandidate));
+ EXPECT_EQ(kDummyMid, jcandidate.sdp_mid());
+ EXPECT_EQ(kDummyIndex, jcandidate.sdp_mline_index());
+ EXPECT_TRUE(jcandidate.candidate().IsEquivalent(jcandidate_->candidate()));
+ EXPECT_EQ(2u, jcandidate.candidate().generation());
+
+ // Candidate line without generation extension.
+ candidate_attribute = kRawCandidate;
+ Replace(" generation 2", "", &candidate_attribute);
+ EXPECT_TRUE(SdpDeserializeCandidate(candidate_attribute, &jcandidate));
+ EXPECT_EQ(kDummyMid, jcandidate.sdp_mid());
+ EXPECT_EQ(kDummyIndex, jcandidate.sdp_mline_index());
+ Candidate expected = jcandidate_->candidate();
+ expected.set_generation(0);
+ EXPECT_TRUE(jcandidate.candidate().IsEquivalent(expected));
+
+ // Candidate line without candidate:
+ candidate_attribute = kRawCandidate;
+ Replace("candidate:", "", &candidate_attribute);
+ EXPECT_FALSE(SdpDeserializeCandidate(candidate_attribute, &jcandidate));
+
+ // Candidate line with IPV6 address.
+ EXPECT_TRUE(SdpDeserializeCandidate(kRawIPV6Candidate, &jcandidate));
+
+ // Candidate line with hostname address.
+ EXPECT_TRUE(SdpDeserializeCandidate(kRawHostnameCandidate, &jcandidate));
+}
+
+// This test verifies that the deserialization of an invalid candidate string
+// fails.
+TEST_F(WebRtcSdpTest, DeserializeInvalidCandidiate) {
+ JsepIceCandidate jcandidate(kDummyMid, kDummyIndex);
+
+ std::string candidate_attribute = kRawCandidate;
+ candidate_attribute.replace(0, 1, "x");
+ EXPECT_FALSE(SdpDeserializeCandidate(candidate_attribute, &jcandidate));
+
+ candidate_attribute = kSdpOneCandidate;
+ candidate_attribute.replace(0, 1, "x");
+ EXPECT_FALSE(SdpDeserializeCandidate(candidate_attribute, &jcandidate));
+
+ candidate_attribute = kRawCandidate;
+ candidate_attribute.append("\r\n");
+ candidate_attribute.append(kRawCandidate);
+ EXPECT_FALSE(SdpDeserializeCandidate(candidate_attribute, &jcandidate));
+
+ EXPECT_FALSE(SdpDeserializeCandidate(kSdpTcpInvalidCandidate, &jcandidate));
+}
+
+TEST_F(WebRtcSdpTest, DeserializeSdpWithSctpDataChannels) {
+ bool use_sctpmap = true;
+ AddSctpDataChannel(use_sctpmap);
+ JsepSessionDescription jdesc(kDummyType);
+ ASSERT_TRUE(jdesc.Initialize(desc_.Clone(), kSessionId, kSessionVersion));
+
+ std::string sdp_with_data = kSdpString;
+ sdp_with_data.append(kSdpSctpDataChannelString);
+ JsepSessionDescription jdesc_output(kDummyType);
+
+ // Verify with UDP/DTLS/SCTP (already in kSdpSctpDataChannelString).
+ EXPECT_TRUE(SdpDeserialize(sdp_with_data, &jdesc_output));
+ EXPECT_TRUE(CompareSessionDescription(jdesc, jdesc_output));
+
+ // Verify with DTLS/SCTP.
+ sdp_with_data.replace(sdp_with_data.find(kUdpDtlsSctp), strlen(kUdpDtlsSctp),
+ kDtlsSctp);
+ EXPECT_TRUE(SdpDeserialize(sdp_with_data, &jdesc_output));
+ EXPECT_TRUE(CompareSessionDescription(jdesc, jdesc_output));
+
+ // Verify with TCP/DTLS/SCTP.
+ sdp_with_data.replace(sdp_with_data.find(kDtlsSctp), strlen(kDtlsSctp),
+ kTcpDtlsSctp);
+ EXPECT_TRUE(SdpDeserialize(sdp_with_data, &jdesc_output));
+ EXPECT_TRUE(CompareSessionDescription(jdesc, jdesc_output));
+}
+
+TEST_F(WebRtcSdpTest, DeserializeSdpWithSctpDataChannelsWithSctpPort) {
+ bool use_sctpmap = false;
+ AddSctpDataChannel(use_sctpmap);
+ JsepSessionDescription jdesc(kDummyType);
+ ASSERT_TRUE(jdesc.Initialize(desc_.Clone(), kSessionId, kSessionVersion));
+
+ std::string sdp_with_data = kSdpString;
+ sdp_with_data.append(kSdpSctpDataChannelStringWithSctpPort);
+ JsepSessionDescription jdesc_output(kDummyType);
+
+ EXPECT_TRUE(SdpDeserialize(sdp_with_data, &jdesc_output));
+ EXPECT_TRUE(CompareSessionDescription(jdesc, jdesc_output));
+}
+
+TEST_F(WebRtcSdpTest, DeserializeSdpWithSctpDataChannelsWithSctpColonPort) {
+ bool use_sctpmap = false;
+ AddSctpDataChannel(use_sctpmap);
+ JsepSessionDescription jdesc(kDummyType);
+ ASSERT_TRUE(jdesc.Initialize(desc_.Clone(), kSessionId, kSessionVersion));
+
+ std::string sdp_with_data = kSdpString;
+ sdp_with_data.append(kSdpSctpDataChannelStringWithSctpColonPort);
+ JsepSessionDescription jdesc_output(kDummyType);
+
+ EXPECT_TRUE(SdpDeserialize(sdp_with_data, &jdesc_output));
+ EXPECT_TRUE(CompareSessionDescription(jdesc, jdesc_output));
+}
+
+TEST_F(WebRtcSdpTest, DeserializeSdpWithSctpDataChannelsButWrongMediaType) {
+ bool use_sctpmap = true;
+ AddSctpDataChannel(use_sctpmap);
+ JsepSessionDescription jdesc(kDummyType);
+ ASSERT_TRUE(jdesc.Initialize(desc_.Clone(), kSessionId, kSessionVersion));
+
+ std::string sdp = kSdpSessionString;
+ sdp += kSdpSctpDataChannelString;
+
+ const char needle[] = "m=application ";
+ sdp.replace(sdp.find(needle), strlen(needle), "m=application:bogus ");
+
+ JsepSessionDescription jdesc_output(kDummyType);
+ EXPECT_TRUE(SdpDeserialize(sdp, &jdesc_output));
+
+ EXPECT_EQ(1u, jdesc_output.description()->contents().size());
+ EXPECT_TRUE(jdesc_output.description()->contents()[0].rejected);
+}
+
+// Helper function to set the max-message-size parameter in the
+// SCTP data codec.
+void MutateJsepSctpMaxMessageSize(const SessionDescription& desc,
+ int new_value,
+ JsepSessionDescription* jdesc) {
+ std::unique_ptr<cricket::SessionDescription> mutant = desc.Clone();
+ SctpDataContentDescription* dcdesc =
+ mutant->GetContentDescriptionByName(kDataContentName)->as_sctp();
+ dcdesc->set_max_message_size(new_value);
+ jdesc->Initialize(std::move(mutant), kSessionId, kSessionVersion);
+}
+
+TEST_F(WebRtcSdpTest, DeserializeSdpWithSctpDataChannelsWithMaxMessageSize) {
+ bool use_sctpmap = false;
+ AddSctpDataChannel(use_sctpmap);
+ JsepSessionDescription jdesc(kDummyType);
+ std::string sdp_with_data = kSdpString;
+
+ sdp_with_data.append(kSdpSctpDataChannelStringWithSctpColonPort);
+ sdp_with_data.append("a=max-message-size:12345\r\n");
+ MutateJsepSctpMaxMessageSize(desc_, 12345, &jdesc);
+ JsepSessionDescription jdesc_output(kDummyType);
+
+ EXPECT_TRUE(SdpDeserialize(sdp_with_data, &jdesc_output));
+ EXPECT_TRUE(CompareSessionDescription(jdesc, jdesc_output));
+}
+
+TEST_F(WebRtcSdpTest, SerializeSdpWithSctpDataChannelWithMaxMessageSize) {
+ bool use_sctpmap = false;
+ AddSctpDataChannel(use_sctpmap);
+ JsepSessionDescription jdesc(kDummyType);
+ MutateJsepSctpMaxMessageSize(desc_, 12345, &jdesc);
+ std::string message = webrtc::SdpSerialize(jdesc);
+ EXPECT_NE(std::string::npos,
+ message.find("\r\na=max-message-size:12345\r\n"));
+ JsepSessionDescription jdesc_output(kDummyType);
+ EXPECT_TRUE(SdpDeserialize(message, &jdesc_output));
+ EXPECT_TRUE(CompareSessionDescription(jdesc, jdesc_output));
+}
+
+TEST_F(WebRtcSdpTest,
+ SerializeSdpWithSctpDataChannelWithDefaultMaxMessageSize) {
+ // https://tools.ietf.org/html/draft-ietf-mmusic-sctp-sdp-26#section-6
+ // The default max message size is 64K.
+ bool use_sctpmap = false;
+ AddSctpDataChannel(use_sctpmap);
+ JsepSessionDescription jdesc(kDummyType);
+ MutateJsepSctpMaxMessageSize(desc_, 65536, &jdesc);
+ std::string message = webrtc::SdpSerialize(jdesc);
+ EXPECT_EQ(std::string::npos, message.find("\r\na=max-message-size:"));
+ JsepSessionDescription jdesc_output(kDummyType);
+ EXPECT_TRUE(SdpDeserialize(message, &jdesc_output));
+ EXPECT_TRUE(CompareSessionDescription(jdesc, jdesc_output));
+}
+
+// Test to check the behaviour if sctp-port is specified
+// on the m= line and in a=sctp-port.
+TEST_F(WebRtcSdpTest, DeserializeSdpWithMultiSctpPort) {
+ bool use_sctpmap = true;
+ AddSctpDataChannel(use_sctpmap);
+ JsepSessionDescription jdesc(kDummyType);
+ ASSERT_TRUE(jdesc.Initialize(desc_.Clone(), kSessionId, kSessionVersion));
+
+ std::string sdp_with_data = kSdpString;
+ // Append m= attributes
+ sdp_with_data.append(kSdpSctpDataChannelString);
+ // Append a=sctp-port attribute
+ sdp_with_data.append("a=sctp-port 5000\r\n");
+ JsepSessionDescription jdesc_output(kDummyType);
+
+ EXPECT_FALSE(SdpDeserialize(sdp_with_data, &jdesc_output));
+}
+
+// Test behavior if a=rtpmap occurs in an SCTP section.
+TEST_F(WebRtcSdpTest, DeserializeSdpWithRtpmapAttribute) {
+ std::string sdp_with_data = kSdpString;
+ // Append m= attributes
+ sdp_with_data.append(kSdpSctpDataChannelString);
+ // Append a=rtpmap attribute
+ sdp_with_data.append("a=rtpmap:111 opus/48000/2\r\n");
+ JsepSessionDescription jdesc_output(kDummyType);
+ // Correct behavior is to ignore the extra attribute.
+ EXPECT_TRUE(SdpDeserialize(sdp_with_data, &jdesc_output));
+}
+
+TEST_F(WebRtcSdpTest, DeserializeSdpWithStrangeApplicationProtocolNames) {
+ static const char* bad_strings[] = {
+ "DTLS/SCTPRTP/", "obviously-bogus", "UDP/TL/RTSP/SAVPF",
+ "UDP/TL/RTSP/S", "DTLS/SCTP/RTP/FOO", "obviously-bogus/RTP/"};
+ for (auto proto : bad_strings) {
+ std::string sdp_with_data = kSdpString;
+ sdp_with_data.append("m=application 9 ");
+ sdp_with_data.append(proto);
+ sdp_with_data.append(" 47\r\n");
+ JsepSessionDescription jdesc_output(kDummyType);
+ EXPECT_FALSE(SdpDeserialize(sdp_with_data, &jdesc_output))
+ << "Parsing should have failed on " << proto;
+ }
+}
+
+// For crbug/344475.
+TEST_F(WebRtcSdpTest, DeserializeSdpWithCorruptedSctpDataChannels) {
+ std::string sdp_with_data = kSdpString;
+ sdp_with_data.append(kSdpSctpDataChannelString);
+ // Remove the "\n" at the end.
+ sdp_with_data = sdp_with_data.substr(0, sdp_with_data.size() - 1);
+ JsepSessionDescription jdesc_output(kDummyType);
+
+ EXPECT_FALSE(SdpDeserialize(sdp_with_data, &jdesc_output));
+ // No crash is a pass.
+}
+
+TEST_F(WebRtcSdpTest, DeserializeSdpWithSctpDataChannelAndUnusualPort) {
+ bool use_sctpmap = true;
+ AddSctpDataChannel(use_sctpmap);
+
+ // First setup the expected JsepSessionDescription.
+ JsepSessionDescription jdesc(kDummyType);
+ MutateJsepSctpPort(&jdesc, desc_, kUnusualSctpPort);
+
+ // Then get the deserialized JsepSessionDescription.
+ std::string sdp_with_data = kSdpString;
+ sdp_with_data.append(kSdpSctpDataChannelString);
+ absl::StrReplaceAll(
+ {{rtc::ToString(kDefaultSctpPort), rtc::ToString(kUnusualSctpPort)}},
+ &sdp_with_data);
+ JsepSessionDescription jdesc_output(kDummyType);
+
+ EXPECT_TRUE(SdpDeserialize(sdp_with_data, &jdesc_output));
+ EXPECT_TRUE(CompareSessionDescription(jdesc, jdesc_output));
+}
+
+TEST_F(WebRtcSdpTest,
+ DeserializeSdpWithSctpDataChannelAndUnusualPortInAttribute) {
+ bool use_sctpmap = false;
+ AddSctpDataChannel(use_sctpmap);
+
+ JsepSessionDescription jdesc(kDummyType);
+ MutateJsepSctpPort(&jdesc, desc_, kUnusualSctpPort);
+
+ // We need to test the deserialized JsepSessionDescription from
+ // kSdpSctpDataChannelStringWithSctpPort for
+ // draft-ietf-mmusic-sctp-sdp-07
+ // a=sctp-port
+ std::string sdp_with_data = kSdpString;
+ sdp_with_data.append(kSdpSctpDataChannelStringWithSctpPort);
+ absl::StrReplaceAll(
+ {{rtc::ToString(kDefaultSctpPort), rtc::ToString(kUnusualSctpPort)}},
+ &sdp_with_data);
+ JsepSessionDescription jdesc_output(kDummyType);
+
+ EXPECT_TRUE(SdpDeserialize(sdp_with_data, &jdesc_output));
+ EXPECT_TRUE(CompareSessionDescription(jdesc, jdesc_output));
+}
+
+TEST_F(WebRtcSdpTest, DeserializeSdpWithSctpDataChannelsAndBandwidth) {
+ bool use_sctpmap = true;
+ AddSctpDataChannel(use_sctpmap);
+ JsepSessionDescription jdesc(kDummyType);
+ SctpDataContentDescription* dcd = GetFirstSctpDataContentDescription(&desc_);
+ dcd->set_bandwidth(100 * 1000);
+ ASSERT_TRUE(jdesc.Initialize(desc_.Clone(), kSessionId, kSessionVersion));
+
+ std::string sdp_with_bandwidth = kSdpString;
+ sdp_with_bandwidth.append(kSdpSctpDataChannelString);
+ InjectAfter("a=mid:data_content_name\r\n", "b=AS:100\r\n",
+ &sdp_with_bandwidth);
+ JsepSessionDescription jdesc_with_bandwidth(kDummyType);
+
+ // SCTP has congestion control, so we shouldn't limit the bandwidth
+ // as we do for RTP.
+ EXPECT_TRUE(SdpDeserialize(sdp_with_bandwidth, &jdesc_with_bandwidth));
+ EXPECT_TRUE(CompareSessionDescription(jdesc, jdesc_with_bandwidth));
+}
+
+class WebRtcSdpExtmapTest : public WebRtcSdpTest,
+ public ::testing::WithParamInterface<bool> {};
+
+TEST_P(WebRtcSdpExtmapTest,
+ DeserializeSessionDescriptionWithSessionLevelExtmap) {
+ bool encrypted = GetParam();
+ TestDeserializeExtmap(true, false, encrypted);
+}
+
+TEST_P(WebRtcSdpExtmapTest, DeserializeSessionDescriptionWithMediaLevelExtmap) {
+ bool encrypted = GetParam();
+ TestDeserializeExtmap(false, true, encrypted);
+}
+
+TEST_P(WebRtcSdpExtmapTest, DeserializeSessionDescriptionWithInvalidExtmap) {
+ bool encrypted = GetParam();
+ TestDeserializeExtmap(true, true, encrypted);
+}
+
+INSTANTIATE_TEST_SUITE_P(Encrypted,
+ WebRtcSdpExtmapTest,
+ ::testing::Values(false, true));
+
+TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithoutEndLineBreak) {
+ JsepSessionDescription jdesc(kDummyType);
+ std::string sdp = kSdpFullString;
+ sdp = sdp.substr(0, sdp.size() - 2); // Remove \r\n at the end.
+ // Deserialize
+ SdpParseError error;
+ EXPECT_FALSE(webrtc::SdpDeserialize(sdp, &jdesc, &error));
+ const std::string lastline = "a=ssrc:3 msid:local_stream_1 video_track_id_1";
+ EXPECT_EQ(lastline, error.line);
+ EXPECT_EQ("Invalid SDP line.", error.description);
+}
+
+TEST_F(WebRtcSdpTest, DeserializeCandidateWithDifferentTransport) {
+ JsepIceCandidate jcandidate(kDummyMid, kDummyIndex);
+ std::string new_sdp = kSdpOneCandidate;
+ Replace("udp", "unsupported_transport", &new_sdp);
+ EXPECT_FALSE(SdpDeserializeCandidate(new_sdp, &jcandidate));
+ new_sdp = kSdpOneCandidate;
+ Replace("udp", "uDP", &new_sdp);
+ EXPECT_TRUE(SdpDeserializeCandidate(new_sdp, &jcandidate));
+ EXPECT_EQ(kDummyMid, jcandidate.sdp_mid());
+ EXPECT_EQ(kDummyIndex, jcandidate.sdp_mline_index());
+ EXPECT_TRUE(jcandidate.candidate().IsEquivalent(jcandidate_->candidate()));
+}
+
+TEST_F(WebRtcSdpTest, DeserializeCandidateWithUfragPwd) {
+ JsepIceCandidate jcandidate(kDummyMid, kDummyIndex);
+ EXPECT_TRUE(
+ SdpDeserializeCandidate(kSdpOneCandidateWithUfragPwd, &jcandidate));
+ EXPECT_EQ(kDummyMid, jcandidate.sdp_mid());
+ EXPECT_EQ(kDummyIndex, jcandidate.sdp_mline_index());
+ Candidate ref_candidate = jcandidate_->candidate();
+ ref_candidate.set_username("user_rtp");
+ ref_candidate.set_password("password_rtp");
+ EXPECT_TRUE(jcandidate.candidate().IsEquivalent(ref_candidate));
+}
+
+TEST_F(WebRtcSdpTest, DeserializeSdpWithConferenceFlag) {
+ JsepSessionDescription jdesc(kDummyType);
+
+ // Deserialize
+ EXPECT_TRUE(SdpDeserialize(kSdpConferenceString, &jdesc));
+
+ // Verify
+ cricket::AudioContentDescription* audio =
+ cricket::GetFirstAudioContentDescription(jdesc.description());
+ EXPECT_TRUE(audio->conference_mode());
+
+ cricket::VideoContentDescription* video =
+ cricket::GetFirstVideoContentDescription(jdesc.description());
+ EXPECT_TRUE(video->conference_mode());
+}
+
+TEST_F(WebRtcSdpTest, SerializeSdpWithConferenceFlag) {
+ JsepSessionDescription jdesc(kDummyType);
+
+ // We tested deserialization already above, so just test that if we serialize
+ // and deserialize the flag doesn't disappear.
+ EXPECT_TRUE(SdpDeserialize(kSdpConferenceString, &jdesc));
+ std::string reserialized = webrtc::SdpSerialize(jdesc);
+ EXPECT_TRUE(SdpDeserialize(reserialized, &jdesc));
+
+ // Verify.
+ cricket::AudioContentDescription* audio =
+ cricket::GetFirstAudioContentDescription(jdesc.description());
+ EXPECT_TRUE(audio->conference_mode());
+
+ cricket::VideoContentDescription* video =
+ cricket::GetFirstVideoContentDescription(jdesc.description());
+ EXPECT_TRUE(video->conference_mode());
+}
+
+TEST_F(WebRtcSdpTest, SerializeAndDeserializeRemoteNetEstimate) {
+ {
+ // By default remote estimates are disabled.
+ JsepSessionDescription dst(kDummyType);
+ SdpDeserialize(webrtc::SdpSerialize(jdesc_), &dst);
+ EXPECT_FALSE(cricket::GetFirstVideoContentDescription(dst.description())
+ ->remote_estimate());
+ }
+ {
+ // When remote estimate is enabled, the setting is propagated via SDP.
+ cricket::GetFirstVideoContentDescription(jdesc_.description())
+ ->set_remote_estimate(true);
+ JsepSessionDescription dst(kDummyType);
+ SdpDeserialize(webrtc::SdpSerialize(jdesc_), &dst);
+ EXPECT_TRUE(cricket::GetFirstVideoContentDescription(dst.description())
+ ->remote_estimate());
+ }
+}
+
+TEST_F(WebRtcSdpTest, DeserializeBrokenSdp) {
+ const char kSdpDestroyer[] = "!@#$%^&";
+ const char kSdpEmptyType[] = " =candidate";
+ const char kSdpEqualAsPlus[] = "a+candidate";
+ const char kSdpSpaceAfterEqual[] = "a= candidate";
+ const char kSdpUpperType[] = "A=candidate";
+ const char kSdpEmptyLine[] = "";
+ const char kSdpMissingValue[] = "a=";
+
+ const char kSdpBrokenFingerprint[] =
+ "a=fingerprint:sha-1 "
+ "4AAD:B9:B1:3F:82:18:3B:54:02:12:DF:3E:5D:49:6B:19:E5:7C:AB";
+ const char kSdpExtraField[] =
+ "a=fingerprint:sha-1 "
+ "4A:AD:B9:B1:3F:82:18:3B:54:02:12:DF:3E:5D:49:6B:19:E5:7C:AB XXX";
+ const char kSdpMissingSpace[] =
+ "a=fingerprint:sha-1"
+ "4A:AD:B9:B1:3F:82:18:3B:54:02:12:DF:3E:5D:49:6B:19:E5:7C:AB";
+ // MD5 is not allowed in fingerprints.
+ const char kSdpMd5[] =
+ "a=fingerprint:md5 "
+ "4A:AD:B9:B1:3F:82:18:3B:54:02:12:DF:3E:5D:49:6B";
+
+ // Broken session description
+ ExpectParseFailure("v=", kSdpDestroyer);
+ ExpectParseFailure("o=", kSdpDestroyer);
+ ExpectParseFailure("s=-", kSdpDestroyer);
+ // Broken time description
+ ExpectParseFailure("t=", kSdpDestroyer);
+
+ // Broken media description
+ ExpectParseFailure("m=audio", "c=IN IP4 74.125.224.39");
+ ExpectParseFailure("m=video", kSdpDestroyer);
+ ExpectParseFailure("m=", "c=IN IP4 74.125.224.39");
+
+ // Invalid lines
+ ExpectParseFailure("a=candidate", kSdpEmptyType);
+ ExpectParseFailure("a=candidate", kSdpEqualAsPlus);
+ ExpectParseFailure("a=candidate", kSdpSpaceAfterEqual);
+ ExpectParseFailure("a=candidate", kSdpUpperType);
+
+ // Bogus fingerprint replacing a=sendrev. We selected this attribute
+ // because it's orthogonal to what we are replacing and hence
+ // safe.
+ ExpectParseFailure("a=sendrecv", kSdpBrokenFingerprint);
+ ExpectParseFailure("a=sendrecv", kSdpExtraField);
+ ExpectParseFailure("a=sendrecv", kSdpMissingSpace);
+ ExpectParseFailure("a=sendrecv", kSdpMd5);
+
+ // Empty Line
+ ExpectParseFailure("a=rtcp:2347 IN IP4 74.125.127.126", kSdpEmptyLine);
+ ExpectParseFailure("a=rtcp:2347 IN IP4 74.125.127.126", kSdpMissingValue);
+}
+
+TEST_F(WebRtcSdpTest, DeserializeSdpWithInvalidAttributeValue) {
+ // ssrc
+ ExpectParseFailure("a=ssrc:1", "a=ssrc:badvalue");
+ ExpectParseFailure("a=ssrc-group:FEC 2 3", "a=ssrc-group:FEC badvalue 3");
+ // crypto
+ ExpectParseFailure("a=crypto:1 ", "a=crypto:badvalue ");
+ // rtpmap
+ ExpectParseFailure("a=rtpmap:111 ", "a=rtpmap:badvalue ");
+ ExpectParseFailure("opus/48000/2", "opus/badvalue/2");
+ ExpectParseFailure("opus/48000/2", "opus/48000/badvalue");
+ // candidate
+ ExpectParseFailure("1 udp 2130706432", "badvalue udp 2130706432");
+ ExpectParseFailure("1 udp 2130706432", "1 udp badvalue");
+ ExpectParseFailure("192.168.1.5 1234", "192.168.1.5 badvalue");
+ ExpectParseFailure("rport 2346", "rport badvalue");
+ ExpectParseFailure("rport 2346 generation 2",
+ "rport 2346 generation badvalue");
+ // m line
+ ExpectParseFailure("m=audio 2345 RTP/SAVPF 111 103 104",
+ "m=audio 2345 RTP/SAVPF 111 badvalue 104");
+
+ // bandwidth
+ ExpectParseFailureWithNewLines("a=mid:video_content_name\r\n",
+ "b=AS:badvalue\r\n", "b=AS:badvalue");
+ ExpectParseFailureWithNewLines("a=mid:video_content_name\r\n", "b=AS\r\n",
+ "b=AS");
+ ExpectParseFailureWithNewLines("a=mid:video_content_name\r\n", "b=AS:\r\n",
+ "b=AS:");
+ ExpectParseFailureWithNewLines("a=mid:video_content_name\r\n",
+ "b=AS:12:34\r\n", "b=AS:12:34");
+
+ // rtcp-fb
+ ExpectParseFailureWithNewLines("a=mid:video_content_name\r\n",
+ "a=rtcp-fb:badvalue nack\r\n",
+ "a=rtcp-fb:badvalue nack");
+ // extmap
+ ExpectParseFailureWithNewLines("a=mid:video_content_name\r\n",
+ "a=extmap:badvalue http://example.com\r\n",
+ "a=extmap:badvalue http://example.com");
+}
+
+TEST_F(WebRtcSdpTest, DeserializeSdpWithReorderedPltypes) {
+ JsepSessionDescription jdesc_output(kDummyType);
+
+ const char kSdpWithReorderedPlTypesString[] =
+ "v=0\r\n"
+ "o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
+ "s=-\r\n"
+ "t=0 0\r\n"
+ "m=audio 9 RTP/SAVPF 104 103\r\n" // Pl type 104 preferred.
+ "a=rtpmap:111 opus/48000/2\r\n" // Pltype 111 listed before 103 and 104
+ // in the map.
+ "a=rtpmap:103 ISAC/16000\r\n" // Pltype 103 listed before 104 in the map.
+ "a=rtpmap:104 ISAC/32000\r\n";
+
+ // Deserialize
+ EXPECT_TRUE(SdpDeserialize(kSdpWithReorderedPlTypesString, &jdesc_output));
+
+ const AudioContentDescription* acd =
+ GetFirstAudioContentDescription(jdesc_output.description());
+ ASSERT_TRUE(acd);
+ ASSERT_FALSE(acd->codecs().empty());
+ EXPECT_EQ("ISAC", acd->codecs()[0].name);
+ EXPECT_EQ(32000, acd->codecs()[0].clockrate);
+ EXPECT_EQ(104, acd->codecs()[0].id);
+}
+
+TEST_F(WebRtcSdpTest, DeserializeSerializeCodecParams) {
+ JsepSessionDescription jdesc_output(kDummyType);
+ CodecParams params;
+ params.max_ptime = 40;
+ params.ptime = 30;
+ params.min_ptime = 10;
+ params.sprop_stereo = 1;
+ params.stereo = 1;
+ params.useinband = 1;
+ params.maxaveragebitrate = 128000;
+ TestDeserializeCodecParams(params, &jdesc_output);
+ TestSerialize(jdesc_output);
+}
+
+TEST_F(WebRtcSdpTest, DeserializeSerializeRtcpFb) {
+ const bool kUseWildcard = false;
+ JsepSessionDescription jdesc_output(kDummyType);
+ TestDeserializeRtcpFb(&jdesc_output, kUseWildcard);
+ TestSerialize(jdesc_output);
+}
+
+TEST_F(WebRtcSdpTest, DeserializeSerializeRtcpFbWildcard) {
+ const bool kUseWildcard = true;
+ JsepSessionDescription jdesc_output(kDummyType);
+ TestDeserializeRtcpFb(&jdesc_output, kUseWildcard);
+ TestSerialize(jdesc_output);
+}
+
+TEST_F(WebRtcSdpTest, DeserializeVideoFmtp) {
+ JsepSessionDescription jdesc_output(kDummyType);
+
+ const char kSdpWithFmtpString[] =
+ "v=0\r\n"
+ "o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
+ "s=-\r\n"
+ "t=0 0\r\n"
+ "m=video 3457 RTP/SAVPF 120\r\n"
+ "a=rtpmap:120 VP8/90000\r\n"
+ "a=fmtp:120 x-google-min-bitrate=10;x-google-max-quantization=40\r\n";
+
+ // Deserialize
+ SdpParseError error;
+ EXPECT_TRUE(
+ webrtc::SdpDeserialize(kSdpWithFmtpString, &jdesc_output, &error));
+
+ const VideoContentDescription* vcd =
+ GetFirstVideoContentDescription(jdesc_output.description());
+ ASSERT_TRUE(vcd);
+ ASSERT_FALSE(vcd->codecs().empty());
+ cricket::VideoCodec vp8 = vcd->codecs()[0];
+ EXPECT_EQ("VP8", vp8.name);
+ EXPECT_EQ(120, vp8.id);
+ cricket::CodecParameterMap::iterator found =
+ vp8.params.find("x-google-min-bitrate");
+ ASSERT_TRUE(found != vp8.params.end());
+ EXPECT_EQ(found->second, "10");
+ found = vp8.params.find("x-google-max-quantization");
+ ASSERT_TRUE(found != vp8.params.end());
+ EXPECT_EQ(found->second, "40");
+}
+
+TEST_F(WebRtcSdpTest, DeserializeVideoFmtpWithSprops) {
+ JsepSessionDescription jdesc_output(kDummyType);
+
+ const char kSdpWithFmtpString[] =
+ "v=0\r\n"
+ "o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
+ "s=-\r\n"
+ "t=0 0\r\n"
+ "m=video 49170 RTP/AVP 98\r\n"
+ "a=rtpmap:98 H264/90000\r\n"
+ "a=fmtp:98 profile-level-id=42A01E; "
+ "sprop-parameter-sets=Z0IACpZTBYmI,aMljiA==\r\n";
+
+ // Deserialize.
+ SdpParseError error;
+ EXPECT_TRUE(
+ webrtc::SdpDeserialize(kSdpWithFmtpString, &jdesc_output, &error));
+
+ const VideoContentDescription* vcd =
+ GetFirstVideoContentDescription(jdesc_output.description());
+ ASSERT_TRUE(vcd);
+ ASSERT_FALSE(vcd->codecs().empty());
+ cricket::VideoCodec h264 = vcd->codecs()[0];
+ EXPECT_EQ("H264", h264.name);
+ EXPECT_EQ(98, h264.id);
+ cricket::CodecParameterMap::const_iterator found =
+ h264.params.find("profile-level-id");
+ ASSERT_TRUE(found != h264.params.end());
+ EXPECT_EQ(found->second, "42A01E");
+ found = h264.params.find("sprop-parameter-sets");
+ ASSERT_TRUE(found != h264.params.end());
+ EXPECT_EQ(found->second, "Z0IACpZTBYmI,aMljiA==");
+}
+
+TEST_F(WebRtcSdpTest, DeserializeVideoFmtpWithSpace) {
+ JsepSessionDescription jdesc_output(kDummyType);
+
+ const char kSdpWithFmtpString[] =
+ "v=0\r\n"
+ "o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
+ "s=-\r\n"
+ "t=0 0\r\n"
+ "m=video 3457 RTP/SAVPF 120\r\n"
+ "a=rtpmap:120 VP8/90000\r\n"
+ "a=fmtp:120 x-google-min-bitrate=10; x-google-max-quantization=40\r\n";
+
+ // Deserialize
+ SdpParseError error;
+ EXPECT_TRUE(
+ webrtc::SdpDeserialize(kSdpWithFmtpString, &jdesc_output, &error));
+
+ const VideoContentDescription* vcd =
+ GetFirstVideoContentDescription(jdesc_output.description());
+ ASSERT_TRUE(vcd);
+ ASSERT_FALSE(vcd->codecs().empty());
+ cricket::VideoCodec vp8 = vcd->codecs()[0];
+ EXPECT_EQ("VP8", vp8.name);
+ EXPECT_EQ(120, vp8.id);
+ cricket::CodecParameterMap::iterator found =
+ vp8.params.find("x-google-min-bitrate");
+ ASSERT_TRUE(found != vp8.params.end());
+ EXPECT_EQ(found->second, "10");
+ found = vp8.params.find("x-google-max-quantization");
+ ASSERT_TRUE(found != vp8.params.end());
+ EXPECT_EQ(found->second, "40");
+}
+
+TEST_F(WebRtcSdpTest, DeserializePacketizationAttributeWithIllegalValue) {
+ JsepSessionDescription jdesc_output(kDummyType);
+
+ const char kSdpWithPacketizationString[] =
+ "v=0\r\n"
+ "o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
+ "s=-\r\n"
+ "t=0 0\r\n"
+ "m=audio 9 RTP/SAVPF 111\r\n"
+ "a=rtpmap:111 opus/48000/2\r\n"
+ "a=packetization:111 unknownpacketizationattributeforaudio\r\n"
+ "m=video 3457 RTP/SAVPF 120 121 122\r\n"
+ "a=rtpmap:120 VP8/90000\r\n"
+ "a=packetization:120 raw\r\n"
+ "a=rtpmap:121 VP9/90000\r\n"
+ "a=rtpmap:122 H264/90000\r\n"
+ "a=packetization:122 unknownpacketizationattributevalue\r\n";
+
+ SdpParseError error;
+ EXPECT_TRUE(webrtc::SdpDeserialize(kSdpWithPacketizationString, &jdesc_output,
+ &error));
+
+ AudioContentDescription* acd =
+ GetFirstAudioContentDescription(jdesc_output.description());
+ ASSERT_TRUE(acd);
+ ASSERT_THAT(acd->codecs(), testing::SizeIs(1));
+ cricket::AudioCodec opus = acd->codecs()[0];
+ EXPECT_EQ(opus.name, "opus");
+ EXPECT_EQ(opus.id, 111);
+
+ const VideoContentDescription* vcd =
+ GetFirstVideoContentDescription(jdesc_output.description());
+ ASSERT_TRUE(vcd);
+ ASSERT_THAT(vcd->codecs(), testing::SizeIs(3));
+ cricket::VideoCodec vp8 = vcd->codecs()[0];
+ EXPECT_EQ(vp8.name, "VP8");
+ EXPECT_EQ(vp8.id, 120);
+ EXPECT_EQ(vp8.packetization, "raw");
+ cricket::VideoCodec vp9 = vcd->codecs()[1];
+ EXPECT_EQ(vp9.name, "VP9");
+ EXPECT_EQ(vp9.id, 121);
+ EXPECT_EQ(vp9.packetization, absl::nullopt);
+ cricket::VideoCodec h264 = vcd->codecs()[2];
+ EXPECT_EQ(h264.name, "H264");
+ EXPECT_EQ(h264.id, 122);
+ EXPECT_EQ(h264.packetization, absl::nullopt);
+}
+
+TEST_F(WebRtcSdpTest, SerializeAudioFmtpWithUnknownParameter) {
+ AudioContentDescription* acd = GetFirstAudioContentDescription(&desc_);
+
+ cricket::AudioCodecs codecs = acd->codecs();
+ codecs[0].params["unknown-future-parameter"] = "SomeFutureValue";
+ acd->set_codecs(codecs);
+
+ ASSERT_TRUE(jdesc_.Initialize(desc_.Clone(), jdesc_.session_id(),
+ jdesc_.session_version()));
+ std::string message = webrtc::SdpSerialize(jdesc_);
+ std::string sdp_with_fmtp = kSdpFullString;
+ InjectAfter("a=rtpmap:111 opus/48000/2\r\n",
+ "a=fmtp:111 unknown-future-parameter=SomeFutureValue\r\n",
+ &sdp_with_fmtp);
+ EXPECT_EQ(sdp_with_fmtp, message);
+}
+
+TEST_F(WebRtcSdpTest, SerializeAudioFmtpWithKnownFmtpParameter) {
+ AudioContentDescription* acd = GetFirstAudioContentDescription(&desc_);
+
+ cricket::AudioCodecs codecs = acd->codecs();
+ codecs[0].params["stereo"] = "1";
+ acd->set_codecs(codecs);
+
+ ASSERT_TRUE(jdesc_.Initialize(desc_.Clone(), jdesc_.session_id(),
+ jdesc_.session_version()));
+ std::string message = webrtc::SdpSerialize(jdesc_);
+ std::string sdp_with_fmtp = kSdpFullString;
+ InjectAfter("a=rtpmap:111 opus/48000/2\r\n", "a=fmtp:111 stereo=1\r\n",
+ &sdp_with_fmtp);
+ EXPECT_EQ(sdp_with_fmtp, message);
+}
+
+TEST_F(WebRtcSdpTest, SerializeAudioFmtpWithPTimeAndMaxPTime) {
+ AudioContentDescription* acd = GetFirstAudioContentDescription(&desc_);
+
+ cricket::AudioCodecs codecs = acd->codecs();
+ codecs[0].params["ptime"] = "20";
+ codecs[0].params["maxptime"] = "120";
+ acd->set_codecs(codecs);
+
+ ASSERT_TRUE(jdesc_.Initialize(desc_.Clone(), jdesc_.session_id(),
+ jdesc_.session_version()));
+ std::string message = webrtc::SdpSerialize(jdesc_);
+ std::string sdp_with_fmtp = kSdpFullString;
+ InjectAfter("a=rtpmap:104 ISAC/32000\r\n",
+ "a=maxptime:120\r\n" // No comma here. String merging!
+ "a=ptime:20\r\n",
+ &sdp_with_fmtp);
+ EXPECT_EQ(sdp_with_fmtp, message);
+}
+
+TEST_F(WebRtcSdpTest, SerializeAudioFmtpWithTelephoneEvent) {
+ AudioContentDescription* acd = GetFirstAudioContentDescription(&desc_);
+
+ cricket::AudioCodecs codecs = acd->codecs();
+ cricket::AudioCodec dtmf(105, "telephone-event", 8000, 0, 1);
+ dtmf.params[""] = "0-15";
+ codecs.push_back(dtmf);
+ acd->set_codecs(codecs);
+
+ ASSERT_TRUE(jdesc_.Initialize(desc_.Clone(), jdesc_.session_id(),
+ jdesc_.session_version()));
+ std::string message = webrtc::SdpSerialize(jdesc_);
+ std::string sdp_with_fmtp = kSdpFullString;
+ InjectAfter("m=audio 2345 RTP/SAVPF 111 103 104", " 105", &sdp_with_fmtp);
+ InjectAfter(
+ "a=rtpmap:104 ISAC/32000\r\n",
+ "a=rtpmap:105 telephone-event/8000\r\n" // No comma here. String merging!
+ "a=fmtp:105 0-15\r\n",
+ &sdp_with_fmtp);
+ EXPECT_EQ(sdp_with_fmtp, message);
+}
+
+TEST_F(WebRtcSdpTest, SerializeVideoFmtp) {
+ VideoContentDescription* vcd = GetFirstVideoContentDescription(&desc_);
+
+ cricket::VideoCodecs codecs = vcd->codecs();
+ codecs[0].params["x-google-min-bitrate"] = "10";
+ vcd->set_codecs(codecs);
+
+ ASSERT_TRUE(jdesc_.Initialize(desc_.Clone(), jdesc_.session_id(),
+ jdesc_.session_version()));
+ std::string message = webrtc::SdpSerialize(jdesc_);
+ std::string sdp_with_fmtp = kSdpFullString;
+ InjectAfter("a=rtpmap:120 VP8/90000\r\n",
+ "a=fmtp:120 x-google-min-bitrate=10\r\n", &sdp_with_fmtp);
+ EXPECT_EQ(sdp_with_fmtp, message);
+}
+
+TEST_F(WebRtcSdpTest, SerializeVideoPacketizationAttribute) {
+ VideoContentDescription* vcd = GetFirstVideoContentDescription(&desc_);
+
+ cricket::VideoCodecs codecs = vcd->codecs();
+ codecs[0].packetization = "raw";
+ vcd->set_codecs(codecs);
+
+ ASSERT_TRUE(jdesc_.Initialize(desc_.Clone(), jdesc_.session_id(),
+ jdesc_.session_version()));
+ std::string message = webrtc::SdpSerialize(jdesc_);
+ std::string sdp_with_packetization = kSdpFullString;
+ InjectAfter("a=rtpmap:120 VP8/90000\r\n", "a=packetization:120 raw\r\n",
+ &sdp_with_packetization);
+ EXPECT_EQ(sdp_with_packetization, message);
+}
+
+TEST_F(WebRtcSdpTest, DeserializeAndSerializeSdpWithIceLite) {
+ // Deserialize the baseline description, making sure it's ICE full.
+ JsepSessionDescription jdesc_with_icelite(kDummyType);
+ std::string sdp_with_icelite = kSdpFullString;
+ EXPECT_TRUE(SdpDeserialize(sdp_with_icelite, &jdesc_with_icelite));
+ cricket::SessionDescription* desc = jdesc_with_icelite.description();
+ const cricket::TransportInfo* tinfo1 =
+ desc->GetTransportInfoByName("audio_content_name");
+ EXPECT_EQ(cricket::ICEMODE_FULL, tinfo1->description.ice_mode);
+ const cricket::TransportInfo* tinfo2 =
+ desc->GetTransportInfoByName("video_content_name");
+ EXPECT_EQ(cricket::ICEMODE_FULL, tinfo2->description.ice_mode);
+
+ // Add "a=ice-lite" and deserialize, making sure it's ICE lite.
+ InjectAfter(kSessionTime, "a=ice-lite\r\n", &sdp_with_icelite);
+ EXPECT_TRUE(SdpDeserialize(sdp_with_icelite, &jdesc_with_icelite));
+ desc = jdesc_with_icelite.description();
+ const cricket::TransportInfo* atinfo =
+ desc->GetTransportInfoByName("audio_content_name");
+ EXPECT_EQ(cricket::ICEMODE_LITE, atinfo->description.ice_mode);
+ const cricket::TransportInfo* vtinfo =
+ desc->GetTransportInfoByName("video_content_name");
+ EXPECT_EQ(cricket::ICEMODE_LITE, vtinfo->description.ice_mode);
+
+ // Now that we know deserialization works, we can use TestSerialize to test
+ // serialization.
+ TestSerialize(jdesc_with_icelite);
+}
+
+// Verifies that the candidates in the input SDP are parsed and serialized
+// correctly in the output SDP.
+TEST_F(WebRtcSdpTest, RoundTripSdpWithSctpDataChannelsWithCandidates) {
+ std::string sdp_with_data = kSdpString;
+ sdp_with_data.append(kSdpSctpDataChannelWithCandidatesString);
+ JsepSessionDescription jdesc_output(kDummyType);
+
+ EXPECT_TRUE(SdpDeserialize(sdp_with_data, &jdesc_output));
+ EXPECT_EQ(sdp_with_data, webrtc::SdpSerialize(jdesc_output));
+}
+
+TEST_F(WebRtcSdpTest, SerializeDtlsSetupAttribute) {
+ AddFingerprint();
+ TransportInfo audio_transport_info =
+ *(desc_.GetTransportInfoByName(kAudioContentName));
+ EXPECT_EQ(cricket::CONNECTIONROLE_NONE,
+ audio_transport_info.description.connection_role);
+ audio_transport_info.description.connection_role =
+ cricket::CONNECTIONROLE_ACTIVE;
+
+ TransportInfo video_transport_info =
+ *(desc_.GetTransportInfoByName(kVideoContentName));
+ EXPECT_EQ(cricket::CONNECTIONROLE_NONE,
+ video_transport_info.description.connection_role);
+ video_transport_info.description.connection_role =
+ cricket::CONNECTIONROLE_ACTIVE;
+
+ desc_.RemoveTransportInfoByName(kAudioContentName);
+ desc_.RemoveTransportInfoByName(kVideoContentName);
+
+ desc_.AddTransportInfo(audio_transport_info);
+ desc_.AddTransportInfo(video_transport_info);
+
+ ASSERT_TRUE(jdesc_.Initialize(desc_.Clone(), jdesc_.session_id(),
+ jdesc_.session_version()));
+ std::string message = webrtc::SdpSerialize(jdesc_);
+ std::string sdp_with_dtlssetup = kSdpFullString;
+
+ // Fingerprint attribute is necessary to add DTLS setup attribute.
+ InjectAfter(kAttributeIcePwdVoice, kFingerprint, &sdp_with_dtlssetup);
+ InjectAfter(kAttributeIcePwdVideo, kFingerprint, &sdp_with_dtlssetup);
+ // Now adding `setup` attribute.
+ InjectAfter(kFingerprint, "a=setup:active\r\n", &sdp_with_dtlssetup);
+ EXPECT_EQ(sdp_with_dtlssetup, message);
+}
+
+TEST_F(WebRtcSdpTest, DeserializeDtlsSetupAttributeActpass) {
+ JsepSessionDescription jdesc_with_dtlssetup(kDummyType);
+ std::string sdp_with_dtlssetup = kSdpFullString;
+ InjectAfter(kSessionTime, "a=setup:actpass\r\n", &sdp_with_dtlssetup);
+ EXPECT_TRUE(SdpDeserialize(sdp_with_dtlssetup, &jdesc_with_dtlssetup));
+ cricket::SessionDescription* desc = jdesc_with_dtlssetup.description();
+ const cricket::TransportInfo* atinfo =
+ desc->GetTransportInfoByName("audio_content_name");
+ EXPECT_EQ(cricket::CONNECTIONROLE_ACTPASS,
+ atinfo->description.connection_role);
+ const cricket::TransportInfo* vtinfo =
+ desc->GetTransportInfoByName("video_content_name");
+ EXPECT_EQ(cricket::CONNECTIONROLE_ACTPASS,
+ vtinfo->description.connection_role);
+}
+
+TEST_F(WebRtcSdpTest, DeserializeDtlsSetupAttributeActive) {
+ JsepSessionDescription jdesc_with_dtlssetup(kDummyType);
+ std::string sdp_with_dtlssetup = kSdpFullString;
+ InjectAfter(kSessionTime, "a=setup:active\r\n", &sdp_with_dtlssetup);
+ EXPECT_TRUE(SdpDeserialize(sdp_with_dtlssetup, &jdesc_with_dtlssetup));
+ cricket::SessionDescription* desc = jdesc_with_dtlssetup.description();
+ const cricket::TransportInfo* atinfo =
+ desc->GetTransportInfoByName("audio_content_name");
+ EXPECT_EQ(cricket::CONNECTIONROLE_ACTIVE,
+ atinfo->description.connection_role);
+ const cricket::TransportInfo* vtinfo =
+ desc->GetTransportInfoByName("video_content_name");
+ EXPECT_EQ(cricket::CONNECTIONROLE_ACTIVE,
+ vtinfo->description.connection_role);
+}
+TEST_F(WebRtcSdpTest, DeserializeDtlsSetupAttributePassive) {
+ JsepSessionDescription jdesc_with_dtlssetup(kDummyType);
+ std::string sdp_with_dtlssetup = kSdpFullString;
+ InjectAfter(kSessionTime, "a=setup:passive\r\n", &sdp_with_dtlssetup);
+ EXPECT_TRUE(SdpDeserialize(sdp_with_dtlssetup, &jdesc_with_dtlssetup));
+ cricket::SessionDescription* desc = jdesc_with_dtlssetup.description();
+ const cricket::TransportInfo* atinfo =
+ desc->GetTransportInfoByName("audio_content_name");
+ EXPECT_EQ(cricket::CONNECTIONROLE_PASSIVE,
+ atinfo->description.connection_role);
+ const cricket::TransportInfo* vtinfo =
+ desc->GetTransportInfoByName("video_content_name");
+ EXPECT_EQ(cricket::CONNECTIONROLE_PASSIVE,
+ vtinfo->description.connection_role);
+}
+
+// Verifies that the order of the serialized m-lines follows the order of the
+// ContentInfo in SessionDescription, and vise versa for deserialization.
+TEST_F(WebRtcSdpTest, MediaContentOrderMaintainedRoundTrip) {
+ JsepSessionDescription jdesc(kDummyType);
+ const std::string media_content_sdps[3] = {kSdpAudioString, kSdpVideoString,
+ kSdpSctpDataChannelString};
+ const cricket::MediaType media_types[3] = {cricket::MEDIA_TYPE_AUDIO,
+ cricket::MEDIA_TYPE_VIDEO,
+ cricket::MEDIA_TYPE_DATA};
+
+ // Verifies all 6 permutations.
+ for (size_t i = 0; i < 6; ++i) {
+ size_t media_content_in_sdp[3];
+ // The index of the first media content.
+ media_content_in_sdp[0] = i / 2;
+ // The index of the second media content.
+ media_content_in_sdp[1] = (media_content_in_sdp[0] + i % 2 + 1) % 3;
+ // The index of the third media content.
+ media_content_in_sdp[2] = (media_content_in_sdp[0] + (i + 1) % 2 + 1) % 3;
+
+ std::string sdp_string = kSdpSessionString;
+ for (size_t i = 0; i < 3; ++i)
+ sdp_string += media_content_sdps[media_content_in_sdp[i]];
+
+ EXPECT_TRUE(SdpDeserialize(sdp_string, &jdesc));
+ cricket::SessionDescription* desc = jdesc.description();
+ EXPECT_EQ(3u, desc->contents().size());
+
+ for (size_t i = 0; i < 3; ++i) {
+ const cricket::MediaContentDescription* mdesc =
+ desc->contents()[i].media_description();
+ EXPECT_EQ(media_types[media_content_in_sdp[i]], mdesc->type());
+ }
+
+ std::string serialized_sdp = webrtc::SdpSerialize(jdesc);
+ EXPECT_EQ(sdp_string, serialized_sdp);
+ }
+}
+
+TEST_F(WebRtcSdpTest, DeserializeBundleOnlyAttribute) {
+ MakeBundleOnlyDescription();
+ JsepSessionDescription deserialized_description(kDummyType);
+ ASSERT_TRUE(
+ SdpDeserialize(kBundleOnlySdpFullString, &deserialized_description));
+ EXPECT_TRUE(CompareSessionDescription(jdesc_, deserialized_description));
+}
+
+// The semantics of "a=bundle-only" are only defined when it's used in
+// combination with a 0 port on the m= line. We should ignore it if used with a
+// nonzero port.
+TEST_F(WebRtcSdpTest, IgnoreBundleOnlyWithNonzeroPort) {
+ // Make the base bundle-only description but unset the bundle-only flag.
+ MakeBundleOnlyDescription();
+ jdesc_.description()->contents()[1].bundle_only = false;
+
+ std::string modified_sdp = kBundleOnlySdpFullString;
+ Replace("m=video 0", "m=video 9", &modified_sdp);
+ JsepSessionDescription deserialized_description(kDummyType);
+ ASSERT_TRUE(SdpDeserialize(modified_sdp, &deserialized_description));
+ EXPECT_TRUE(CompareSessionDescription(jdesc_, deserialized_description));
+}
+
+TEST_F(WebRtcSdpTest, SerializeBundleOnlyAttribute) {
+ MakeBundleOnlyDescription();
+ TestSerialize(jdesc_);
+}
+
+TEST_F(WebRtcSdpTest, DeserializePlanBSessionDescription) {
+ MakePlanBDescription();
+
+ JsepSessionDescription deserialized_description(kDummyType);
+ EXPECT_TRUE(SdpDeserialize(kPlanBSdpFullString, &deserialized_description));
+
+ EXPECT_TRUE(CompareSessionDescription(jdesc_, deserialized_description));
+}
+
+TEST_F(WebRtcSdpTest, SerializePlanBSessionDescription) {
+ MakePlanBDescription();
+ TestSerialize(jdesc_);
+}
+
+TEST_F(WebRtcSdpTest, DeserializeUnifiedPlanSessionDescription) {
+ MakeUnifiedPlanDescription();
+
+ JsepSessionDescription deserialized_description(kDummyType);
+ EXPECT_TRUE(
+ SdpDeserialize(kUnifiedPlanSdpFullString, &deserialized_description));
+
+ EXPECT_TRUE(CompareSessionDescription(jdesc_, deserialized_description));
+}
+
+TEST_F(WebRtcSdpTest, SerializeUnifiedPlanSessionDescription) {
+ MakeUnifiedPlanDescription();
+ TestSerialize(jdesc_);
+}
+
+// This tests deserializing a Unified Plan SDP that is compatible with both
+// Unified Plan and Plan B style SDP, meaning that it contains both "a=ssrc
+// msid" lines and "a=msid " lines. It tests the case for audio/video tracks
+// with no stream ids and multiple stream ids. For parsing this, the Unified
+// Plan a=msid lines should take priority, because the Plan B style a=ssrc msid
+// lines do not support multiple stream ids and no stream ids.
+TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionSpecialMsid) {
+ // Create both msid lines for Plan B and Unified Plan support.
+ MakeUnifiedPlanDescriptionMultipleStreamIds(
+ cricket::kMsidSignalingMediaSection |
+ cricket::kMsidSignalingSsrcAttribute);
+
+ JsepSessionDescription deserialized_description(kDummyType);
+ EXPECT_TRUE(SdpDeserialize(kUnifiedPlanSdpFullStringWithSpecialMsid,
+ &deserialized_description));
+
+ EXPECT_TRUE(CompareSessionDescription(jdesc_, deserialized_description));
+ EXPECT_EQ(cricket::kMsidSignalingMediaSection |
+ cricket::kMsidSignalingSsrcAttribute,
+ deserialized_description.description()->msid_signaling());
+}
+
+// Tests the serialization of a Unified Plan SDP that is compatible for both
+// Unified Plan and Plan B style SDPs, meaning that it contains both "a=ssrc
+// msid" lines and "a=msid " lines. It tests the case for no stream ids and
+// multiple stream ids.
+TEST_F(WebRtcSdpTest, SerializeSessionDescriptionSpecialMsid) {
+ // Create both msid lines for Plan B and Unified Plan support.
+ MakeUnifiedPlanDescriptionMultipleStreamIds(
+ cricket::kMsidSignalingMediaSection |
+ cricket::kMsidSignalingSsrcAttribute);
+ std::string serialized_sdp = webrtc::SdpSerialize(jdesc_);
+ // We explicitly test that the serialized SDP string is equal to the hard
+ // coded SDP string. This is necessary, because in the parser "a=msid" lines
+ // take priority over "a=ssrc msid" lines. This means if we just used
+ // TestSerialize(), it could serialize an SDP that omits "a=ssrc msid" lines,
+ // and still pass, because the deserialized version would be the same.
+ EXPECT_EQ(kUnifiedPlanSdpFullStringWithSpecialMsid, serialized_sdp);
+}
+
+// Tests that a Unified Plan style SDP (does not contain "a=ssrc msid" lines
+// that signal stream IDs) is deserialized appropriately. It tests the case for
+// no stream ids and multiple stream ids.
+TEST_F(WebRtcSdpTest, UnifiedPlanDeserializeSessionDescriptionSpecialMsid) {
+ // Only create a=msid lines for strictly Unified Plan stream ID support.
+ MakeUnifiedPlanDescriptionMultipleStreamIds(
+ cricket::kMsidSignalingMediaSection);
+
+ JsepSessionDescription deserialized_description(kDummyType);
+ std::string unified_plan_sdp_string =
+ kUnifiedPlanSdpFullStringWithSpecialMsid;
+ RemoveSsrcMsidLinesFromSdpString(&unified_plan_sdp_string);
+ EXPECT_TRUE(
+ SdpDeserialize(unified_plan_sdp_string, &deserialized_description));
+
+ EXPECT_TRUE(CompareSessionDescription(jdesc_, deserialized_description));
+}
+
+// Tests that a Unified Plan style SDP (does not contain "a=ssrc msid" lines
+// that signal stream IDs) is serialized appropriately. It tests the case for no
+// stream ids and multiple stream ids.
+TEST_F(WebRtcSdpTest, UnifiedPlanSerializeSessionDescriptionSpecialMsid) {
+ // Only create a=msid lines for strictly Unified Plan stream ID support.
+ MakeUnifiedPlanDescriptionMultipleStreamIds(
+ cricket::kMsidSignalingMediaSection);
+
+ TestSerialize(jdesc_);
+}
+
+// This tests that a Unified Plan SDP with no a=ssrc lines is
+// serialized/deserialized appropriately. In this case the
+// MediaContentDescription will contain a StreamParams object that doesn't have
+// any SSRCs. Vice versa, this will be created upon deserializing an SDP with no
+// SSRC lines.
+TEST_F(WebRtcSdpTest, DeserializeUnifiedPlanSessionDescriptionNoSsrcSignaling) {
+ MakeUnifiedPlanDescription();
+ RemoveSsrcSignalingFromStreamParams();
+ std::string unified_plan_sdp_string = kUnifiedPlanSdpFullString;
+ RemoveSsrcLinesFromSdpString(&unified_plan_sdp_string);
+
+ JsepSessionDescription deserialized_description(kDummyType);
+ EXPECT_TRUE(
+ SdpDeserialize(unified_plan_sdp_string, &deserialized_description));
+ EXPECT_TRUE(CompareSessionDescription(jdesc_, deserialized_description));
+}
+
+TEST_F(WebRtcSdpTest, SerializeUnifiedPlanSessionDescriptionNoSsrcSignaling) {
+ MakeUnifiedPlanDescription();
+ RemoveSsrcSignalingFromStreamParams();
+
+ TestSerialize(jdesc_);
+}
+
+TEST_F(WebRtcSdpTest, EmptyDescriptionHasNoMsidSignaling) {
+ JsepSessionDescription jsep_desc(kDummyType);
+ ASSERT_TRUE(SdpDeserialize(kSdpSessionString, &jsep_desc));
+ EXPECT_EQ(0, jsep_desc.description()->msid_signaling());
+}
+
+TEST_F(WebRtcSdpTest, DataChannelOnlyHasNoMsidSignaling) {
+ JsepSessionDescription jsep_desc(kDummyType);
+ std::string sdp = kSdpSessionString;
+ sdp += kSdpSctpDataChannelString;
+ ASSERT_TRUE(SdpDeserialize(sdp, &jsep_desc));
+ EXPECT_EQ(0, jsep_desc.description()->msid_signaling());
+}
+
+TEST_F(WebRtcSdpTest, PlanBHasSsrcAttributeMsidSignaling) {
+ JsepSessionDescription jsep_desc(kDummyType);
+ ASSERT_TRUE(SdpDeserialize(kPlanBSdpFullString, &jsep_desc));
+ EXPECT_EQ(cricket::kMsidSignalingSsrcAttribute,
+ jsep_desc.description()->msid_signaling());
+}
+
+TEST_F(WebRtcSdpTest, UnifiedPlanHasMediaSectionMsidSignaling) {
+ JsepSessionDescription jsep_desc(kDummyType);
+ ASSERT_TRUE(SdpDeserialize(kUnifiedPlanSdpFullString, &jsep_desc));
+ EXPECT_EQ(cricket::kMsidSignalingMediaSection,
+ jsep_desc.description()->msid_signaling());
+}
+
+const char kMediaSectionMsidLine[] = "a=msid:local_stream_1 audio_track_id_1";
+const char kSsrcAttributeMsidLine[] =
+ "a=ssrc:1 msid:local_stream_1 audio_track_id_1";
+
+TEST_F(WebRtcSdpTest, SerializeOnlyMediaSectionMsid) {
+ jdesc_.description()->set_msid_signaling(cricket::kMsidSignalingMediaSection);
+ std::string sdp = webrtc::SdpSerialize(jdesc_);
+
+ EXPECT_NE(std::string::npos, sdp.find(kMediaSectionMsidLine));
+ EXPECT_EQ(std::string::npos, sdp.find(kSsrcAttributeMsidLine));
+}
+
+TEST_F(WebRtcSdpTest, SerializeOnlySsrcAttributeMsid) {
+ jdesc_.description()->set_msid_signaling(
+ cricket::kMsidSignalingSsrcAttribute);
+ std::string sdp = webrtc::SdpSerialize(jdesc_);
+
+ EXPECT_EQ(std::string::npos, sdp.find(kMediaSectionMsidLine));
+ EXPECT_NE(std::string::npos, sdp.find(kSsrcAttributeMsidLine));
+}
+
+TEST_F(WebRtcSdpTest, SerializeBothMediaSectionAndSsrcAttributeMsid) {
+ jdesc_.description()->set_msid_signaling(
+ cricket::kMsidSignalingMediaSection |
+ cricket::kMsidSignalingSsrcAttribute);
+ std::string sdp = webrtc::SdpSerialize(jdesc_);
+
+ EXPECT_NE(std::string::npos, sdp.find(kMediaSectionMsidLine));
+ EXPECT_NE(std::string::npos, sdp.find(kSsrcAttributeMsidLine));
+}
+
+// Regression test for integer overflow bug:
+// https://bugs.chromium.org/p/chromium/issues/detail?id=648071
+TEST_F(WebRtcSdpTest, DeserializeLargeBandwidthLimit) {
+ // Bandwidth attribute is the max signed 32-bit int, which will get
+ // multiplied by 1000 and cause int overflow if not careful.
+ static const char kSdpWithLargeBandwidth[] =
+ "v=0\r\n"
+ "o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
+ "s=-\r\n"
+ "t=0 0\r\n"
+ "m=video 3457 RTP/SAVPF 120\r\n"
+ "b=AS:2147483647\r\n"
+ "foo=fail\r\n";
+
+ ExpectParseFailure(std::string(kSdpWithLargeBandwidth), "foo=fail");
+}
+
+// Similar to the above, except that negative values are illegal, not just
+// error-prone as large values are.
+// https://bugs.chromium.org/p/chromium/issues/detail?id=675361
+TEST_F(WebRtcSdpTest, DeserializingNegativeBandwidthLimitFails) {
+ static const char kSdpWithNegativeBandwidth[] =
+ "v=0\r\n"
+ "o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
+ "s=-\r\n"
+ "t=0 0\r\n"
+ "m=video 3457 RTP/SAVPF 120\r\n"
+ "b=AS:-1000\r\n";
+
+ ExpectParseFailure(std::string(kSdpWithNegativeBandwidth), "b=AS:-1000");
+}
+
+// An exception to the above rule: a value of -1 for b=AS should just be
+// ignored, resulting in "kAutoBandwidth" in the deserialized object.
+// Applications historically may be using "b=AS:-1" to mean "no bandwidth
+// limit", but this is now what ommitting the attribute entirely will do, so
+// ignoring it will have the intended effect.
+TEST_F(WebRtcSdpTest, BandwidthLimitOfNegativeOneIgnored) {
+ static const char kSdpWithBandwidthOfNegativeOne[] =
+ "v=0\r\n"
+ "o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
+ "s=-\r\n"
+ "t=0 0\r\n"
+ "m=video 3457 RTP/SAVPF 120\r\n"
+ "b=AS:-1\r\n";
+
+ JsepSessionDescription jdesc_output(kDummyType);
+ EXPECT_TRUE(SdpDeserialize(kSdpWithBandwidthOfNegativeOne, &jdesc_output));
+ const VideoContentDescription* vcd =
+ GetFirstVideoContentDescription(jdesc_output.description());
+ ASSERT_TRUE(vcd);
+ EXPECT_EQ(cricket::kAutoBandwidth, vcd->bandwidth());
+}
+
+// Test that "ufrag"/"pwd" in the candidate line itself are ignored, and only
+// the "a=ice-ufrag"/"a=ice-pwd" attributes are used.
+// Regression test for:
+// https://bugs.chromium.org/p/chromium/issues/detail?id=681286
+TEST_F(WebRtcSdpTest, IceCredentialsInCandidateStringIgnored) {
+ // Important piece is "ufrag foo pwd bar".
+ static const char kSdpWithIceCredentialsInCandidateString[] =
+ "v=0\r\n"
+ "o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
+ "s=-\r\n"
+ "t=0 0\r\n"
+ "m=audio 9 RTP/SAVPF 111\r\n"
+ "c=IN IP4 0.0.0.0\r\n"
+ "a=rtcp:9 IN IP4 0.0.0.0\r\n"
+ "a=ice-ufrag:ufrag_voice\r\na=ice-pwd:pwd_voice\r\n"
+ "a=rtpmap:111 opus/48000/2\r\n"
+ "a=candidate:a0+B/1 1 udp 2130706432 192.168.1.5 1234 typ host "
+ "generation 2 ufrag foo pwd bar\r\n";
+
+ JsepSessionDescription jdesc_output(kDummyType);
+ EXPECT_TRUE(
+ SdpDeserialize(kSdpWithIceCredentialsInCandidateString, &jdesc_output));
+ const IceCandidateCollection* candidates = jdesc_output.candidates(0);
+ ASSERT_NE(nullptr, candidates);
+ ASSERT_EQ(1U, candidates->count());
+ cricket::Candidate c = candidates->at(0)->candidate();
+ EXPECT_EQ("ufrag_voice", c.username());
+ EXPECT_EQ("pwd_voice", c.password());
+}
+
+// Test that attribute lines "a=ice-ufrag-something"/"a=ice-pwd-something" are
+// ignored, and only the "a=ice-ufrag"/"a=ice-pwd" attributes are used.
+// Regression test for:
+// https://bugs.chromium.org/p/webrtc/issues/detail?id=9712
+TEST_F(WebRtcSdpTest, AttributeWithPartialMatchingNameIsIgnored) {
+ static const char kSdpWithFooIceCredentials[] =
+ "v=0\r\n"
+ "o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
+ "s=-\r\n"
+ "t=0 0\r\n"
+ "m=audio 9 RTP/SAVPF 111\r\n"
+ "c=IN IP4 0.0.0.0\r\n"
+ "a=rtcp:9 IN IP4 0.0.0.0\r\n"
+ "a=ice-ufrag-something:foo\r\na=ice-pwd-something:bar\r\n"
+ "a=ice-ufrag:ufrag_voice\r\na=ice-pwd:pwd_voice\r\n"
+ "a=rtpmap:111 opus/48000/2\r\n"
+ "a=candidate:a0+B/1 1 udp 2130706432 192.168.1.5 1234 typ host "
+ "generation 2\r\n";
+
+ JsepSessionDescription jdesc_output(kDummyType);
+ EXPECT_TRUE(SdpDeserialize(kSdpWithFooIceCredentials, &jdesc_output));
+ const IceCandidateCollection* candidates = jdesc_output.candidates(0);
+ ASSERT_NE(nullptr, candidates);
+ ASSERT_EQ(1U, candidates->count());
+ cricket::Candidate c = candidates->at(0)->candidate();
+ EXPECT_EQ("ufrag_voice", c.username());
+ EXPECT_EQ("pwd_voice", c.password());
+}
+
+// Test that SDP with an invalid port number in "a=candidate" lines is
+// rejected, without crashing.
+// Regression test for:
+// https://bugs.chromium.org/p/chromium/issues/detail?id=677029
+TEST_F(WebRtcSdpTest, DeserializeInvalidPortInCandidateAttribute) {
+ static const char kSdpWithInvalidCandidatePort[] =
+ "v=0\r\n"
+ "o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
+ "s=-\r\n"
+ "t=0 0\r\n"
+ "m=audio 9 RTP/SAVPF 111\r\n"
+ "c=IN IP4 0.0.0.0\r\n"
+ "a=rtcp:9 IN IP4 0.0.0.0\r\n"
+ "a=ice-ufrag:ufrag_voice\r\na=ice-pwd:pwd_voice\r\n"
+ "a=rtpmap:111 opus/48000/2\r\n"
+ "a=candidate:a0+B/1 1 udp 2130706432 192.168.1.5 12345678 typ host "
+ "generation 2 raddr 192.168.1.1 rport 87654321\r\n";
+
+ JsepSessionDescription jdesc_output(kDummyType);
+ EXPECT_FALSE(SdpDeserialize(kSdpWithInvalidCandidatePort, &jdesc_output));
+}
+
+TEST_F(WebRtcSdpTest, DeserializeMsidAttributeWithStreamIdAndTrackId) {
+ std::string sdp =
+ "v=0\r\n"
+ "o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
+ "s=-\r\n"
+ "t=0 0\r\n"
+ "m=audio 9 RTP/SAVPF 111\r\n"
+ "c=IN IP4 0.0.0.0\r\n"
+ "a=rtpmap:111 opus/48000/2\r\n"
+ "a=msid:stream_id track_id\r\n";
+
+ JsepSessionDescription jdesc_output(kDummyType);
+ EXPECT_TRUE(SdpDeserialize(sdp, &jdesc_output));
+ auto stream = jdesc_output.description()
+ ->contents()[0]
+ .media_description()
+ ->streams()[0];
+ ASSERT_EQ(stream.stream_ids().size(), 1u);
+ EXPECT_EQ(stream.stream_ids()[0], "stream_id");
+ EXPECT_EQ(stream.id, "track_id");
+}
+
+TEST_F(WebRtcSdpTest, DeserializeMsidAttributeWithEmptyStreamIdAndTrackId) {
+ std::string sdp =
+ "v=0\r\n"
+ "o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
+ "s=-\r\n"
+ "t=0 0\r\n"
+ "m=audio 9 RTP/SAVPF 111\r\n"
+ "c=IN IP4 0.0.0.0\r\n"
+ "a=rtpmap:111 opus/48000/2\r\n"
+ "a=msid:- track_id\r\n";
+
+ JsepSessionDescription jdesc_output(kDummyType);
+ EXPECT_TRUE(SdpDeserialize(sdp, &jdesc_output));
+ auto stream = jdesc_output.description()
+ ->contents()[0]
+ .media_description()
+ ->streams()[0];
+ ASSERT_EQ(stream.stream_ids().size(), 0u);
+ EXPECT_EQ(stream.id, "track_id");
+}
+
+// Test that "a=msid" with a missing track ID is rejected and doesn't crash.
+// Regression test for:
+// https://bugs.chromium.org/p/chromium/issues/detail?id=686405
+TEST_F(WebRtcSdpTest, DeserializeMsidAttributeWithMissingTrackId) {
+ std::string sdp =
+ "v=0\r\n"
+ "o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
+ "s=-\r\n"
+ "t=0 0\r\n"
+ "m=audio 9 RTP/SAVPF 111\r\n"
+ "c=IN IP4 0.0.0.0\r\n"
+ "a=rtpmap:111 opus/48000/2\r\n"
+ "a=msid:stream_id \r\n";
+
+ JsepSessionDescription jdesc_output(kDummyType);
+ EXPECT_FALSE(SdpDeserialize(sdp, &jdesc_output));
+}
+
+TEST_F(WebRtcSdpTest, DeserializeMsidAttributeWithoutColon) {
+ std::string sdp =
+ "v=0\r\n"
+ "o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
+ "s=-\r\n"
+ "t=0 0\r\n"
+ "m=audio 9 RTP/SAVPF 111\r\n"
+ "c=IN IP4 0.0.0.0\r\n"
+ "a=rtpmap:111 opus/48000/2\r\n"
+ "a=msid\r\n";
+
+ JsepSessionDescription jdesc_output(kDummyType);
+ EXPECT_FALSE(SdpDeserialize(sdp, &jdesc_output));
+}
+
+TEST_F(WebRtcSdpTest, DeserializeMsidAttributeWithoutAttributes) {
+ std::string sdp =
+ "v=0\r\n"
+ "o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
+ "s=-\r\n"
+ "t=0 0\r\n"
+ "m=audio 9 RTP/SAVPF 111\r\n"
+ "c=IN IP4 0.0.0.0\r\n"
+ "a=rtpmap:111 opus/48000/2\r\n"
+ "a=msid:\r\n";
+
+ JsepSessionDescription jdesc_output(kDummyType);
+ EXPECT_FALSE(SdpDeserialize(sdp, &jdesc_output));
+}
+
+TEST_F(WebRtcSdpTest, DeserializeMsidAttributeWithTooManySpaces) {
+ std::string sdp =
+ "v=0\r\n"
+ "o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
+ "s=-\r\n"
+ "t=0 0\r\n"
+ "m=audio 9 RTP/SAVPF 111\r\n"
+ "c=IN IP4 0.0.0.0\r\n"
+ "a=rtpmap:111 opus/48000/2\r\n"
+ "a=msid:stream_id track_id bogus\r\n";
+
+ JsepSessionDescription jdesc_output(kDummyType);
+ EXPECT_FALSE(SdpDeserialize(sdp, &jdesc_output));
+}
+
+TEST_F(WebRtcSdpTest, DeserializeMsidAttributeWithDifferentTrackIds) {
+ std::string sdp =
+ "v=0\r\n"
+ "o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
+ "s=-\r\n"
+ "t=0 0\r\n"
+ "m=audio 9 RTP/SAVPF 111\r\n"
+ "c=IN IP4 0.0.0.0\r\n"
+ "a=rtpmap:111 opus/48000/2\r\n"
+ "a=msid:stream_id track_id\r\n"
+ "a=msid:stream_id2 track_id2\r\n";
+
+ JsepSessionDescription jdesc_output(kDummyType);
+ EXPECT_FALSE(SdpDeserialize(sdp, &jdesc_output));
+}
+
+TEST_F(WebRtcSdpTest, DeserializeMsidAttributeWithoutAppData) {
+ std::string sdp =
+ "v=0\r\n"
+ "o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
+ "s=-\r\n"
+ "t=0 0\r\n"
+ "m=audio 9 RTP/SAVPF 111\r\n"
+ "c=IN IP4 0.0.0.0\r\n"
+ "a=rtpmap:111 opus/48000/2\r\n"
+ "a=msid:stream_id\r\n";
+
+ JsepSessionDescription jdesc_output(kDummyType);
+ EXPECT_TRUE(SdpDeserialize(sdp, &jdesc_output));
+ auto stream = jdesc_output.description()
+ ->contents()[0]
+ .media_description()
+ ->streams()[0];
+ ASSERT_EQ(stream.stream_ids().size(), 1u);
+ EXPECT_EQ(stream.stream_ids()[0], "stream_id");
+ // Track id is randomly generated.
+ EXPECT_NE(stream.id, "");
+}
+
+TEST_F(WebRtcSdpTest, DeserializeMsidAttributeWithoutAppDataTwoStreams) {
+ std::string sdp =
+ "v=0\r\n"
+ "o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
+ "s=-\r\n"
+ "t=0 0\r\n"
+ "m=audio 9 RTP/SAVPF 111\r\n"
+ "c=IN IP4 0.0.0.0\r\n"
+ "a=rtpmap:111 opus/48000/2\r\n"
+ "a=msid:stream_id\r\n"
+ "a=msid:stream_id2\r\n";
+
+ JsepSessionDescription jdesc_output(kDummyType);
+ EXPECT_TRUE(SdpDeserialize(sdp, &jdesc_output));
+ auto stream = jdesc_output.description()
+ ->contents()[0]
+ .media_description()
+ ->streams()[0];
+ ASSERT_EQ(stream.stream_ids().size(), 2u);
+ EXPECT_EQ(stream.stream_ids()[0], "stream_id");
+ EXPECT_EQ(stream.stream_ids()[1], "stream_id2");
+ // Track id is randomly generated.
+ EXPECT_NE(stream.id, "");
+}
+
+TEST_F(WebRtcSdpTest, DeserializeMsidAttributeWithoutAppDataDuplicate) {
+ std::string sdp =
+ "v=0\r\n"
+ "o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
+ "s=-\r\n"
+ "t=0 0\r\n"
+ "m=audio 9 RTP/SAVPF 111\r\n"
+ "c=IN IP4 0.0.0.0\r\n"
+ "a=rtpmap:111 opus/48000/2\r\n"
+ "a=msid:stream_id\r\n"
+ "a=msid:stream_id\r\n";
+
+ JsepSessionDescription jdesc_output(kDummyType);
+ // This is somewhat silly but accept it. Duplicates get filtered.
+ EXPECT_TRUE(SdpDeserialize(sdp, &jdesc_output));
+ auto stream = jdesc_output.description()
+ ->contents()[0]
+ .media_description()
+ ->streams()[0];
+ ASSERT_EQ(stream.stream_ids().size(), 1u);
+ EXPECT_EQ(stream.stream_ids()[0], "stream_id");
+ // Track id is randomly generated.
+ EXPECT_NE(stream.id, "");
+}
+
+TEST_F(WebRtcSdpTest, DeserializeMsidAttributeWithoutAppDataMixed) {
+ std::string sdp =
+ "v=0\r\n"
+ "o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
+ "s=-\r\n"
+ "t=0 0\r\n"
+ "m=audio 9 RTP/SAVPF 111\r\n"
+ "c=IN IP4 0.0.0.0\r\n"
+ "a=rtpmap:111 opus/48000/2\r\n"
+ "a=msid:stream_id\r\n"
+ "a=msid:stream_id2 track_id\r\n";
+
+ JsepSessionDescription jdesc_output(kDummyType);
+ // Mixing the syntax like this is not a good idea but we accept it
+ // and the result is the second track_id.
+ EXPECT_TRUE(SdpDeserialize(sdp, &jdesc_output));
+ auto stream = jdesc_output.description()
+ ->contents()[0]
+ .media_description()
+ ->streams()[0];
+ ASSERT_EQ(stream.stream_ids().size(), 2u);
+ EXPECT_EQ(stream.stream_ids()[0], "stream_id");
+ EXPECT_EQ(stream.stream_ids()[1], "stream_id2");
+
+ // Track id is taken from second line.
+ EXPECT_EQ(stream.id, "track_id");
+}
+
+TEST_F(WebRtcSdpTest, DeserializeMsidAttributeWithoutAppDataMixed2) {
+ std::string sdp =
+ "v=0\r\n"
+ "o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
+ "s=-\r\n"
+ "t=0 0\r\n"
+ "m=audio 9 RTP/SAVPF 111\r\n"
+ "c=IN IP4 0.0.0.0\r\n"
+ "a=rtpmap:111 opus/48000/2\r\n"
+ "a=msid:stream_id track_id\r\n"
+ "a=msid:stream_id2\r\n";
+
+ JsepSessionDescription jdesc_output(kDummyType);
+ // Mixing the syntax like this is not a good idea but we accept it
+ // and the result is the second track_id.
+ EXPECT_TRUE(SdpDeserialize(sdp, &jdesc_output));
+ auto stream = jdesc_output.description()
+ ->contents()[0]
+ .media_description()
+ ->streams()[0];
+ ASSERT_EQ(stream.stream_ids().size(), 2u);
+ EXPECT_EQ(stream.stream_ids()[0], "stream_id");
+ EXPECT_EQ(stream.stream_ids()[1], "stream_id2");
+
+ // Track id is taken from first line.
+ EXPECT_EQ(stream.id, "track_id");
+}
+
+TEST_F(WebRtcSdpTest, DeserializeMsidAttributeWithoutAppDataMixedNoStream) {
+ std::string sdp =
+ "v=0\r\n"
+ "o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
+ "s=-\r\n"
+ "t=0 0\r\n"
+ "m=audio 9 RTP/SAVPF 111\r\n"
+ "c=IN IP4 0.0.0.0\r\n"
+ "a=rtpmap:111 opus/48000/2\r\n"
+ "a=msid:stream_id\r\n"
+ "a=msid:- track_id\r\n";
+
+ JsepSessionDescription jdesc_output(kDummyType);
+ // This is somewhat undefined behavior but accept it and expect a single
+ // stream.
+ EXPECT_TRUE(SdpDeserialize(sdp, &jdesc_output));
+ auto stream = jdesc_output.description()
+ ->contents()[0]
+ .media_description()
+ ->streams()[0];
+ ASSERT_EQ(stream.stream_ids().size(), 1u);
+ EXPECT_EQ(stream.stream_ids()[0], "stream_id");
+ EXPECT_EQ(stream.id, "track_id");
+}
+
+TEST_F(WebRtcSdpTest, DeserializeMsidAttributeWithMissingStreamId) {
+ std::string sdp =
+ "v=0\r\n"
+ "o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
+ "s=-\r\n"
+ "t=0 0\r\n"
+ "m=audio 9 RTP/SAVPF 111\r\n"
+ "c=IN IP4 0.0.0.0\r\n"
+ "a=rtpmap:111 opus/48000/2\r\n"
+ "a=msid: track_id\r\n";
+
+ JsepSessionDescription jdesc_output(kDummyType);
+ EXPECT_FALSE(SdpDeserialize(sdp, &jdesc_output));
+}
+
+// Tests that if both session-level address and media-level address exist, use
+// the media-level address.
+TEST_F(WebRtcSdpTest, ParseConnectionData) {
+ JsepSessionDescription jsep_desc(kDummyType);
+
+ // Sesssion-level address.
+ std::string sdp = kSdpFullString;
+ InjectAfter("s=-\r\n", "c=IN IP4 192.168.0.3\r\n", &sdp);
+ EXPECT_TRUE(SdpDeserialize(sdp, &jsep_desc));
+
+ const auto& content1 = jsep_desc.description()->contents()[0];
+ EXPECT_EQ("74.125.127.126:2345",
+ content1.media_description()->connection_address().ToString());
+ const auto& content2 = jsep_desc.description()->contents()[1];
+ EXPECT_EQ("74.125.224.39:3457",
+ content2.media_description()->connection_address().ToString());
+}
+
+// Tests that the session-level connection address will be used if the media
+// level-addresses are not specified.
+TEST_F(WebRtcSdpTest, ParseConnectionDataSessionLevelOnly) {
+ JsepSessionDescription jsep_desc(kDummyType);
+
+ // Sesssion-level address.
+ std::string sdp = kSdpString;
+ InjectAfter("s=-\r\n", "c=IN IP4 192.168.0.3\r\n", &sdp);
+ // Remove the media level addresses.
+ Replace("c=IN IP4 0.0.0.0\r\n", "", &sdp);
+ Replace("c=IN IP4 0.0.0.0\r\n", "", &sdp);
+ EXPECT_TRUE(SdpDeserialize(sdp, &jsep_desc));
+
+ const auto& content1 = jsep_desc.description()->contents()[0];
+ EXPECT_EQ("192.168.0.3:9",
+ content1.media_description()->connection_address().ToString());
+ const auto& content2 = jsep_desc.description()->contents()[1];
+ EXPECT_EQ("192.168.0.3:9",
+ content2.media_description()->connection_address().ToString());
+}
+
+TEST_F(WebRtcSdpTest, ParseConnectionDataIPv6) {
+ JsepSessionDescription jsep_desc(kDummyType);
+
+ std::string sdp = kSdpString;
+ EXPECT_TRUE(SdpDeserialize(sdp, &jsep_desc));
+ Replace("m=audio 9 RTP/SAVPF 111 103 104\r\nc=IN IP4 0.0.0.0\r\n",
+ "m=audio 9 RTP/SAVPF 111 103 104\r\nc=IN IP6 "
+ "2001:0db8:85a3:0000:0000:8a2e:0370:7335\r\n",
+ &sdp);
+ Replace("m=video 9 RTP/SAVPF 120\r\nc=IN IP4 0.0.0.0\r\n",
+ "m=video 9 RTP/SAVPF 120\r\nc=IN IP6 "
+ "2001:0db8:85a3:0000:0000:8a2e:0370:7336\r\n",
+ &sdp);
+ EXPECT_TRUE(SdpDeserialize(sdp, &jsep_desc));
+ const auto& content1 = jsep_desc.description()->contents()[0];
+ EXPECT_EQ("[2001:db8:85a3::8a2e:370:7335]:9",
+ content1.media_description()->connection_address().ToString());
+ const auto& content2 = jsep_desc.description()->contents()[1];
+ EXPECT_EQ("[2001:db8:85a3::8a2e:370:7336]:9",
+ content2.media_description()->connection_address().ToString());
+}
+
+// Test that a c= line that contains a hostname connection address can be
+// parsed.
+TEST_F(WebRtcSdpTest, ParseConnectionDataWithHostnameConnectionAddress) {
+ JsepSessionDescription jsep_desc(kDummyType);
+ std::string sdp = kSdpString;
+ EXPECT_TRUE(SdpDeserialize(sdp, &jsep_desc));
+
+ sdp = kSdpString;
+ Replace("c=IN IP4 0.0.0.0\r\n", "c=IN IP4 example.local\r\n", &sdp);
+ Replace("c=IN IP4 0.0.0.0\r\n", "c=IN IP4 example.local\r\n", &sdp);
+ ASSERT_TRUE(SdpDeserialize(sdp, &jsep_desc));
+
+ ASSERT_NE(nullptr, jsep_desc.description());
+ const auto& content1 = jsep_desc.description()->contents()[0];
+ EXPECT_EQ("example.local:9",
+ content1.media_description()->connection_address().ToString());
+ const auto& content2 = jsep_desc.description()->contents()[1];
+ EXPECT_EQ("example.local:9",
+ content2.media_description()->connection_address().ToString());
+}
+
+// Test that the invalid or unsupported connection data cannot be parsed.
+TEST_F(WebRtcSdpTest, ParseConnectionDataFailure) {
+ JsepSessionDescription jsep_desc(kDummyType);
+ std::string sdp = kSdpString;
+ EXPECT_TRUE(SdpDeserialize(sdp, &jsep_desc));
+
+ // Unsupported multicast IPv4 address.
+ sdp = kSdpFullString;
+ Replace("c=IN IP4 74.125.224.39\r\n", "c=IN IP4 74.125.224.39/127\r\n", &sdp);
+ EXPECT_FALSE(SdpDeserialize(sdp, &jsep_desc));
+
+ // Unsupported multicast IPv6 address.
+ sdp = kSdpFullString;
+ Replace("c=IN IP4 74.125.224.39\r\n", "c=IN IP6 ::1/3\r\n", &sdp);
+ EXPECT_FALSE(SdpDeserialize(sdp, &jsep_desc));
+
+ // Mismatched address type.
+ sdp = kSdpFullString;
+ Replace("c=IN IP4 74.125.224.39\r\n", "c=IN IP6 74.125.224.39\r\n", &sdp);
+ EXPECT_FALSE(SdpDeserialize(sdp, &jsep_desc));
+
+ sdp = kSdpFullString;
+ Replace("c=IN IP4 74.125.224.39\r\n",
+ "c=IN IP4 2001:0db8:85a3:0000:0000:8a2e:0370:7334\r\n", &sdp);
+ EXPECT_FALSE(SdpDeserialize(sdp, &jsep_desc));
+}
+
+TEST_F(WebRtcSdpTest, SerializeAndDeserializeWithConnectionAddress) {
+ JsepSessionDescription expected_jsep(kDummyType);
+ MakeDescriptionWithoutCandidates(&expected_jsep);
+ // Serialization.
+ std::string message = webrtc::SdpSerialize(expected_jsep);
+ // Deserialization.
+ JsepSessionDescription jdesc(kDummyType);
+ EXPECT_TRUE(SdpDeserialize(message, &jdesc));
+ auto audio_desc = jdesc.description()
+ ->GetContentByName(kAudioContentName)
+ ->media_description();
+ auto video_desc = jdesc.description()
+ ->GetContentByName(kVideoContentName)
+ ->media_description();
+ EXPECT_EQ(audio_desc_->connection_address().ToString(),
+ audio_desc->connection_address().ToString());
+ EXPECT_EQ(video_desc_->connection_address().ToString(),
+ video_desc->connection_address().ToString());
+}
+
+// RFC4566 says "If a session has no meaningful name, the value "s= " SHOULD be
+// used (i.e., a single space as the session name)." So we should accept that.
+TEST_F(WebRtcSdpTest, DeserializeEmptySessionName) {
+ JsepSessionDescription jsep_desc(kDummyType);
+ std::string sdp = kSdpString;
+ Replace("s=-\r\n", "s= \r\n", &sdp);
+ EXPECT_TRUE(SdpDeserialize(sdp, &jsep_desc));
+}
+
+// Simulcast malformed input test for invalid format.
+TEST_F(WebRtcSdpTest, DeserializeSimulcastNegative_EmptyAttribute) {
+ ExpectParseFailureWithNewLines(
+ "a=ssrc:3 msid:local_stream_1 video_track_id_1\r\n", "a=simulcast:\r\n",
+ "a=simulcast:");
+}
+
+// Tests that duplicate simulcast entries in the SDP triggers a parse failure.
+TEST_F(WebRtcSdpTest, DeserializeSimulcastNegative_DuplicateAttribute) {
+ ExpectParseFailureWithNewLines(
+ "a=ssrc:3 msid:local_stream_1 video_track_id_1\r\n",
+ "a=simulcast:send 1\r\na=simulcast:recv 2\r\n", "a=simulcast:");
+}
+
+// Validates that deserialization uses the a=simulcast: attribute
+TEST_F(WebRtcSdpTest, TestDeserializeSimulcastAttribute) {
+ std::string sdp = kUnifiedPlanSdpFullStringNoSsrc;
+ sdp += "a=rid:1 send\r\n";
+ sdp += "a=rid:2 send\r\n";
+ sdp += "a=rid:3 send\r\n";
+ sdp += "a=rid:4 recv\r\n";
+ sdp += "a=rid:5 recv\r\n";
+ sdp += "a=rid:6 recv\r\n";
+ sdp += "a=simulcast:send 1,2;3 recv 4;5;6\r\n";
+ JsepSessionDescription output(kDummyType);
+ SdpParseError error;
+ EXPECT_TRUE(webrtc::SdpDeserialize(sdp, &output, &error));
+ const cricket::ContentInfos& contents = output.description()->contents();
+ const cricket::MediaContentDescription* media =
+ contents.back().media_description();
+ EXPECT_TRUE(media->HasSimulcast());
+ EXPECT_EQ(2ul, media->simulcast_description().send_layers().size());
+ EXPECT_EQ(3ul, media->simulcast_description().receive_layers().size());
+ EXPECT_FALSE(media->streams().empty());
+ const std::vector<RidDescription>& rids = media->streams()[0].rids();
+ CompareRidDescriptionIds(rids, {"1", "2", "3"});
+}
+
+// Validates that deserialization removes rids that do not appear in SDP
+TEST_F(WebRtcSdpTest, TestDeserializeSimulcastAttributeRemovesUnknownRids) {
+ std::string sdp = kUnifiedPlanSdpFullStringNoSsrc;
+ sdp += "a=rid:1 send\r\n";
+ sdp += "a=rid:3 send\r\n";
+ sdp += "a=rid:4 recv\r\n";
+ sdp += "a=simulcast:send 1,2;3 recv 4;5,6\r\n";
+ JsepSessionDescription output(kDummyType);
+ SdpParseError error;
+ EXPECT_TRUE(webrtc::SdpDeserialize(sdp, &output, &error));
+ const cricket::ContentInfos& contents = output.description()->contents();
+ const cricket::MediaContentDescription* media =
+ contents.back().media_description();
+ EXPECT_TRUE(media->HasSimulcast());
+ const SimulcastDescription& simulcast = media->simulcast_description();
+ EXPECT_EQ(2ul, simulcast.send_layers().size());
+ EXPECT_EQ(1ul, simulcast.receive_layers().size());
+
+ std::vector<SimulcastLayer> all_send_layers =
+ simulcast.send_layers().GetAllLayers();
+ EXPECT_EQ(2ul, all_send_layers.size());
+ EXPECT_EQ(0,
+ absl::c_count_if(all_send_layers, [](const SimulcastLayer& layer) {
+ return layer.rid == "2";
+ }));
+
+ std::vector<SimulcastLayer> all_receive_layers =
+ simulcast.receive_layers().GetAllLayers();
+ ASSERT_EQ(1ul, all_receive_layers.size());
+ EXPECT_EQ("4", all_receive_layers[0].rid);
+
+ EXPECT_FALSE(media->streams().empty());
+ const std::vector<RidDescription>& rids = media->streams()[0].rids();
+ CompareRidDescriptionIds(rids, {"1", "3"});
+}
+
+// Validates that Simulcast removes rids that appear in both send and receive.
+TEST_F(WebRtcSdpTest,
+ TestDeserializeSimulcastAttributeRemovesDuplicateSendReceive) {
+ std::string sdp = kUnifiedPlanSdpFullStringNoSsrc;
+ sdp += "a=rid:1 send\r\n";
+ sdp += "a=rid:2 send\r\n";
+ sdp += "a=rid:3 send\r\n";
+ sdp += "a=rid:4 recv\r\n";
+ sdp += "a=simulcast:send 1;2;3 recv 2;4\r\n";
+ JsepSessionDescription output(kDummyType);
+ SdpParseError error;
+ EXPECT_TRUE(webrtc::SdpDeserialize(sdp, &output, &error));
+ const cricket::ContentInfos& contents = output.description()->contents();
+ const cricket::MediaContentDescription* media =
+ contents.back().media_description();
+ EXPECT_TRUE(media->HasSimulcast());
+ const SimulcastDescription& simulcast = media->simulcast_description();
+ EXPECT_EQ(2ul, simulcast.send_layers().size());
+ EXPECT_EQ(1ul, simulcast.receive_layers().size());
+ EXPECT_EQ(2ul, simulcast.send_layers().GetAllLayers().size());
+ EXPECT_EQ(1ul, simulcast.receive_layers().GetAllLayers().size());
+
+ EXPECT_FALSE(media->streams().empty());
+ const std::vector<RidDescription>& rids = media->streams()[0].rids();
+ CompareRidDescriptionIds(rids, {"1", "3"});
+}
+
+// Ignores empty rid line.
+TEST_F(WebRtcSdpTest, TestDeserializeIgnoresEmptyRidLines) {
+ std::string sdp = kUnifiedPlanSdpFullStringNoSsrc;
+ sdp += "a=rid:1 send\r\n";
+ sdp += "a=rid:2 send\r\n";
+ sdp += "a=rid\r\n"; // Should ignore this line.
+ sdp += "a=rid:\r\n"; // Should ignore this line.
+ sdp += "a=simulcast:send 1;2\r\n";
+ JsepSessionDescription output(kDummyType);
+ SdpParseError error;
+ EXPECT_TRUE(webrtc::SdpDeserialize(sdp, &output, &error));
+ const cricket::ContentInfos& contents = output.description()->contents();
+ const cricket::MediaContentDescription* media =
+ contents.back().media_description();
+ EXPECT_TRUE(media->HasSimulcast());
+ const SimulcastDescription& simulcast = media->simulcast_description();
+ EXPECT_TRUE(simulcast.receive_layers().empty());
+ EXPECT_EQ(2ul, simulcast.send_layers().size());
+ EXPECT_EQ(2ul, simulcast.send_layers().GetAllLayers().size());
+
+ EXPECT_FALSE(media->streams().empty());
+ const std::vector<RidDescription>& rids = media->streams()[0].rids();
+ CompareRidDescriptionIds(rids, {"1", "2"});
+}
+
+// Ignores malformed rid lines.
+TEST_F(WebRtcSdpTest, TestDeserializeIgnoresMalformedRidLines) {
+ std::string sdp = kUnifiedPlanSdpFullStringNoSsrc;
+ sdp += "a=rid:1 send pt=\r\n"; // Should ignore this line.
+ sdp += "a=rid:2 receive\r\n"; // Should ignore this line.
+ sdp += "a=rid:3 max-width=720;pt=120\r\n"; // Should ignore this line.
+ sdp += "a=rid:4\r\n"; // Should ignore this line.
+ sdp += "a=rid:5 send\r\n";
+ sdp += "a=simulcast:send 1,2,3;4,5\r\n";
+ JsepSessionDescription output(kDummyType);
+ SdpParseError error;
+ EXPECT_TRUE(webrtc::SdpDeserialize(sdp, &output, &error));
+ const cricket::ContentInfos& contents = output.description()->contents();
+ const cricket::MediaContentDescription* media =
+ contents.back().media_description();
+ EXPECT_TRUE(media->HasSimulcast());
+ const SimulcastDescription& simulcast = media->simulcast_description();
+ EXPECT_TRUE(simulcast.receive_layers().empty());
+ EXPECT_EQ(1ul, simulcast.send_layers().size());
+ EXPECT_EQ(1ul, simulcast.send_layers().GetAllLayers().size());
+
+ EXPECT_FALSE(media->streams().empty());
+ const std::vector<RidDescription>& rids = media->streams()[0].rids();
+ CompareRidDescriptionIds(rids, {"5"});
+}
+
+// Removes RIDs that specify a different format than the m= section.
+TEST_F(WebRtcSdpTest, TestDeserializeRemovesRidsWithInvalidCodec) {
+ std::string sdp = kUnifiedPlanSdpFullStringNoSsrc;
+ sdp += "a=rid:1 send pt=121,120\r\n"; // Should remove 121 and keep RID.
+ sdp += "a=rid:2 send pt=121\r\n"; // Should remove RID altogether.
+ sdp += "a=simulcast:send 1;2\r\n";
+ JsepSessionDescription output(kDummyType);
+ SdpParseError error;
+ EXPECT_TRUE(webrtc::SdpDeserialize(sdp, &output, &error));
+ const cricket::ContentInfos& contents = output.description()->contents();
+ const cricket::MediaContentDescription* media =
+ contents.back().media_description();
+ EXPECT_TRUE(media->HasSimulcast());
+ const SimulcastDescription& simulcast = media->simulcast_description();
+ EXPECT_TRUE(simulcast.receive_layers().empty());
+ EXPECT_EQ(1ul, simulcast.send_layers().size());
+ EXPECT_EQ(1ul, simulcast.send_layers().GetAllLayers().size());
+ EXPECT_EQ("1", simulcast.send_layers()[0][0].rid);
+ EXPECT_EQ(1ul, media->streams().size());
+ const std::vector<RidDescription>& rids = media->streams()[0].rids();
+ EXPECT_EQ(1ul, rids.size());
+ EXPECT_EQ("1", rids[0].rid);
+ EXPECT_EQ(1ul, rids[0].payload_types.size());
+ EXPECT_EQ(120, rids[0].payload_types[0]);
+}
+
+// Ignores duplicate rid lines
+TEST_F(WebRtcSdpTest, TestDeserializeIgnoresDuplicateRidLines) {
+ std::string sdp = kUnifiedPlanSdpFullStringNoSsrc;
+ sdp += "a=rid:1 send\r\n";
+ sdp += "a=rid:2 send\r\n";
+ sdp += "a=rid:2 send\r\n";
+ sdp += "a=rid:3 send\r\n";
+ sdp += "a=rid:4 recv\r\n";
+ sdp += "a=simulcast:send 1,2;3 recv 4\r\n";
+ JsepSessionDescription output(kDummyType);
+ SdpParseError error;
+ EXPECT_TRUE(webrtc::SdpDeserialize(sdp, &output, &error));
+ const cricket::ContentInfos& contents = output.description()->contents();
+ const cricket::MediaContentDescription* media =
+ contents.back().media_description();
+ EXPECT_TRUE(media->HasSimulcast());
+ const SimulcastDescription& simulcast = media->simulcast_description();
+ EXPECT_EQ(2ul, simulcast.send_layers().size());
+ EXPECT_EQ(1ul, simulcast.receive_layers().size());
+ EXPECT_EQ(2ul, simulcast.send_layers().GetAllLayers().size());
+ EXPECT_EQ(1ul, simulcast.receive_layers().GetAllLayers().size());
+
+ EXPECT_FALSE(media->streams().empty());
+ const std::vector<RidDescription>& rids = media->streams()[0].rids();
+ CompareRidDescriptionIds(rids, {"1", "3"});
+}
+
+TEST_F(WebRtcSdpTest, TestDeserializeRidSendDirection) {
+ std::string sdp = kUnifiedPlanSdpFullStringNoSsrc;
+ sdp += "a=rid:1 recv\r\n";
+ sdp += "a=rid:2 recv\r\n";
+ sdp += "a=simulcast:send 1;2\r\n";
+ JsepSessionDescription output(kDummyType);
+ SdpParseError error;
+ EXPECT_TRUE(webrtc::SdpDeserialize(sdp, &output, &error));
+ const cricket::ContentInfos& contents = output.description()->contents();
+ const cricket::MediaContentDescription* media =
+ contents.back().media_description();
+ EXPECT_FALSE(media->HasSimulcast());
+}
+
+TEST_F(WebRtcSdpTest, TestDeserializeRidRecvDirection) {
+ std::string sdp = kUnifiedPlanSdpFullStringNoSsrc;
+ sdp += "a=rid:1 send\r\n";
+ sdp += "a=rid:2 send\r\n";
+ sdp += "a=simulcast:recv 1;2\r\n";
+ JsepSessionDescription output(kDummyType);
+ SdpParseError error;
+ EXPECT_TRUE(webrtc::SdpDeserialize(sdp, &output, &error));
+ const cricket::ContentInfos& contents = output.description()->contents();
+ const cricket::MediaContentDescription* media =
+ contents.back().media_description();
+ EXPECT_FALSE(media->HasSimulcast());
+}
+
+TEST_F(WebRtcSdpTest, TestDeserializeIgnoresWrongRidDirectionLines) {
+ std::string sdp = kUnifiedPlanSdpFullStringNoSsrc;
+ sdp += "a=rid:1 send\r\n";
+ sdp += "a=rid:2 send\r\n";
+ sdp += "a=rid:3 send\r\n";
+ sdp += "a=rid:4 recv\r\n";
+ sdp += "a=rid:5 recv\r\n";
+ sdp += "a=rid:6 recv\r\n";
+ sdp += "a=simulcast:send 1;5;3 recv 4;2;6\r\n";
+ JsepSessionDescription output(kDummyType);
+ SdpParseError error;
+ EXPECT_TRUE(webrtc::SdpDeserialize(sdp, &output, &error));
+ const cricket::ContentInfos& contents = output.description()->contents();
+ const cricket::MediaContentDescription* media =
+ contents.back().media_description();
+ EXPECT_TRUE(media->HasSimulcast());
+ const SimulcastDescription& simulcast = media->simulcast_description();
+ EXPECT_EQ(2ul, simulcast.send_layers().size());
+ EXPECT_EQ(2ul, simulcast.receive_layers().size());
+ EXPECT_EQ(2ul, simulcast.send_layers().GetAllLayers().size());
+ EXPECT_EQ(2ul, simulcast.receive_layers().GetAllLayers().size());
+
+ EXPECT_FALSE(media->streams().empty());
+ const std::vector<RidDescription>& rids = media->streams()[0].rids();
+ CompareRidDescriptionIds(rids, {"1", "3"});
+}
+
+// Simulcast serialization integration test.
+// This test will serialize and deserialize the description and compare.
+// More detailed tests for parsing simulcast can be found in
+// unit tests for SdpSerializer.
+TEST_F(WebRtcSdpTest, SerializeSimulcast_ComplexSerialization) {
+ MakeUnifiedPlanDescription(/* use_ssrcs = */ false);
+ auto description = jdesc_.description();
+ auto media = description->GetContentDescriptionByName(kVideoContentName3);
+ ASSERT_EQ(media->streams().size(), 1ul);
+ StreamParams& send_stream = media->mutable_streams()[0];
+ std::vector<RidDescription> send_rids;
+ send_rids.push_back(RidDescription("1", RidDirection::kSend));
+ send_rids.push_back(RidDescription("2", RidDirection::kSend));
+ send_rids.push_back(RidDescription("3", RidDirection::kSend));
+ send_rids.push_back(RidDescription("4", RidDirection::kSend));
+ send_stream.set_rids(send_rids);
+ std::vector<RidDescription> receive_rids;
+ receive_rids.push_back(RidDescription("5", RidDirection::kReceive));
+ receive_rids.push_back(RidDescription("6", RidDirection::kReceive));
+ receive_rids.push_back(RidDescription("7", RidDirection::kReceive));
+ media->set_receive_rids(receive_rids);
+
+ SimulcastDescription& simulcast = media->simulcast_description();
+ simulcast.send_layers().AddLayerWithAlternatives(
+ {SimulcastLayer("2", false), SimulcastLayer("1", true)});
+ simulcast.send_layers().AddLayerWithAlternatives(
+ {SimulcastLayer("4", false), SimulcastLayer("3", false)});
+ simulcast.receive_layers().AddLayer({SimulcastLayer("5", false)});
+ simulcast.receive_layers().AddLayer({SimulcastLayer("6", false)});
+ simulcast.receive_layers().AddLayer({SimulcastLayer("7", false)});
+
+ TestSerialize(jdesc_);
+}
+
+// Test that the content name is empty if the media section does not have an
+// a=mid line.
+TEST_F(WebRtcSdpTest, ParseNoMid) {
+ std::string sdp = kSdpString;
+ Replace("a=mid:audio_content_name\r\n", "", &sdp);
+ Replace("a=mid:video_content_name\r\n", "", &sdp);
+
+ JsepSessionDescription output(kDummyType);
+ SdpParseError error;
+ ASSERT_TRUE(webrtc::SdpDeserialize(sdp, &output, &error));
+
+ EXPECT_THAT(output.description()->contents(),
+ ElementsAre(Field("name", &cricket::ContentInfo::name, ""),
+ Field("name", &cricket::ContentInfo::name, "")));
+}
+
+TEST_F(WebRtcSdpTest, SerializeWithDefaultSctpProtocol) {
+ AddSctpDataChannel(false); // Don't use sctpmap
+ JsepSessionDescription jsep_desc(kDummyType);
+ MakeDescriptionWithoutCandidates(&jsep_desc);
+ std::string message = webrtc::SdpSerialize(jsep_desc);
+ EXPECT_NE(std::string::npos,
+ message.find(cricket::kMediaProtocolUdpDtlsSctp));
+}
+
+TEST_F(WebRtcSdpTest, DeserializeWithAllSctpProtocols) {
+ AddSctpDataChannel(false);
+ std::string protocols[] = {cricket::kMediaProtocolDtlsSctp,
+ cricket::kMediaProtocolUdpDtlsSctp,
+ cricket::kMediaProtocolTcpDtlsSctp};
+ for (const auto& protocol : protocols) {
+ sctp_desc_->set_protocol(protocol);
+ JsepSessionDescription jsep_desc(kDummyType);
+ MakeDescriptionWithoutCandidates(&jsep_desc);
+ std::string message = webrtc::SdpSerialize(jsep_desc);
+ EXPECT_NE(std::string::npos, message.find(protocol));
+ JsepSessionDescription jsep_output(kDummyType);
+ SdpParseError error;
+ EXPECT_TRUE(webrtc::SdpDeserialize(message, &jsep_output, &error));
+ }
+}
+
+// According to https://tools.ietf.org/html/rfc5576#section-6.1, the CNAME
+// attribute is mandatory, but we relax that restriction.
+TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithoutCname) {
+ std::string sdp_without_cname = kSdpFullString;
+ Replace("a=ssrc:1 cname:stream_1_cname\r\n", "", &sdp_without_cname);
+ JsepSessionDescription new_jdesc(kDummyType);
+ EXPECT_TRUE(SdpDeserialize(sdp_without_cname, &new_jdesc));
+
+ audio_desc_->mutable_streams()[0].cname = "";
+ ASSERT_TRUE(jdesc_.Initialize(desc_.Clone(), jdesc_.session_id(),
+ jdesc_.session_version()));
+ EXPECT_TRUE(CompareSessionDescription(jdesc_, new_jdesc));
+}
+
+TEST_F(WebRtcSdpTest, DeserializeSdpWithUnsupportedMediaType) {
+ std::string sdp = kSdpSessionString;
+ sdp +=
+ "m=bogus 9 RTP/SAVPF 0 8\r\n"
+ "c=IN IP4 0.0.0.0\r\n"
+ "a=mid:bogusmid\r\n";
+ sdp +=
+ "m=audio/something 9 RTP/SAVPF 0 8\r\n"
+ "c=IN IP4 0.0.0.0\r\n"
+ "a=mid:somethingmid\r\n";
+
+ JsepSessionDescription jdesc_output(kDummyType);
+ EXPECT_TRUE(SdpDeserialize(sdp, &jdesc_output));
+
+ ASSERT_EQ(2u, jdesc_output.description()->contents().size());
+ ASSERT_NE(nullptr, jdesc_output.description()
+ ->contents()[0]
+ .media_description()
+ ->as_unsupported());
+ ASSERT_NE(nullptr, jdesc_output.description()
+ ->contents()[1]
+ .media_description()
+ ->as_unsupported());
+
+ EXPECT_TRUE(jdesc_output.description()->contents()[0].rejected);
+ EXPECT_TRUE(jdesc_output.description()->contents()[1].rejected);
+
+ EXPECT_EQ(jdesc_output.description()->contents()[0].name, "bogusmid");
+ EXPECT_EQ(jdesc_output.description()->contents()[1].name, "somethingmid");
+}
+
+TEST_F(WebRtcSdpTest, MediaTypeProtocolMismatch) {
+ std::string sdp =
+ "v=0\r\n"
+ "o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
+ "s=-\r\n"
+ "t=0 0\r\n";
+
+ ExpectParseFailure(std::string(sdp + "m=audio 9 UDP/DTLS/SCTP 120\r\n"),
+ "m=audio");
+ ExpectParseFailure(std::string(sdp + "m=video 9 UDP/DTLS/SCTP 120\r\n"),
+ "m=video");
+ ExpectParseFailure(std::string(sdp + "m=video 9 SOMETHING 120\r\n"),
+ "m=video");
+ ExpectParseFailure(std::string(sdp + "m=application 9 SOMETHING 120\r\n"),
+ "m=application");
+}
+
+// Regression test for:
+// https://bugs.chromium.org/p/chromium/issues/detail?id=1171965
+TEST_F(WebRtcSdpTest, SctpPortInUnsupportedContent) {
+ std::string sdp =
+ "v=0\r\n"
+ "o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
+ "s=-\r\n"
+ "t=0 0\r\n"
+ "m=o 1 DTLS/SCTP 5000\r\n"
+ "a=sctp-port\r\n";
+
+ JsepSessionDescription jdesc_output(kDummyType);
+ EXPECT_TRUE(SdpDeserialize(sdp, &jdesc_output));
+}
+
+TEST_F(WebRtcSdpTest, IllegalMidCharacterValue) {
+ std::string sdp = kSdpString;
+ // [ is an illegal token value.
+ Replace("a=mid:", "a=mid:[]", &sdp);
+ ExpectParseFailure(std::string(sdp), "a=mid:[]");
+}
+
+TEST_F(WebRtcSdpTest, MaxChannels) {
+ std::string sdp =
+ "v=0\r\n"
+ "o=- 11 22 IN IP4 127.0.0.1\r\n"
+ "s=-\r\n"
+ "t=0 0\r\n"
+ "m=audio 49232 RTP/AVP 108\r\n"
+ "a=rtpmap:108 ISAC/16000/512\r\n";
+
+ ExpectParseFailure(sdp, "a=rtpmap:108 ISAC/16000/512");
+}
+
+TEST_F(WebRtcSdpTest, DuplicateAudioRtpmapWithConflict) {
+ std::string sdp =
+ "v=0\r\n"
+ "o=- 11 22 IN IP4 127.0.0.1\r\n"
+ "s=-\r\n"
+ "t=0 0\r\n"
+ "m=audio 49232 RTP/AVP 108\r\n"
+ "a=rtpmap:108 ISAC/16000\r\n"
+ "a=rtpmap:108 G711/16000\r\n";
+
+ ExpectParseFailure(sdp, "a=rtpmap:108 G711/16000");
+}
+
+TEST_F(WebRtcSdpTest, DuplicateVideoRtpmapWithConflict) {
+ std::string sdp =
+ "v=0\r\n"
+ "o=- 11 22 IN IP4 127.0.0.1\r\n"
+ "s=-\r\n"
+ "t=0 0\r\n"
+ "m=video 49232 RTP/AVP 108\r\n"
+ "a=rtpmap:108 VP8/90000\r\n"
+ "a=rtpmap:108 VP9/90000\r\n";
+
+ ExpectParseFailure(sdp, "a=rtpmap:108 VP9/90000");
+}
+
+TEST_F(WebRtcSdpTest, FmtpBeforeRtpMap) {
+ std::string sdp =
+ "v=0\r\n"
+ "o=- 11 22 IN IP4 127.0.0.1\r\n"
+ "s=-\r\n"
+ "t=0 0\r\n"
+ "m=video 49232 RTP/AVP 108\r\n"
+ "a=fmtp:108 profile-level=1\r\n"
+ "a=rtpmap:108 VP9/90000\r\n";
+
+ JsepSessionDescription jdesc_output(kDummyType);
+ EXPECT_TRUE(SdpDeserialize(sdp, &jdesc_output));
+}
+
+TEST_F(WebRtcSdpTest, StaticallyAssignedPayloadTypeWithDifferentCasing) {
+ std::string sdp =
+ "v=0\r\n"
+ "o=- 11 22 IN IP4 127.0.0.1\r\n"
+ "s=-\r\n"
+ "t=0 0\r\n"
+ "m=audio 49232 RTP/AVP 18\r\n"
+ // Casing differs from statically assigned type, this should
+ // still be accepted.
+ "a=rtpmap:18 g729/8000\r\n";
+
+ JsepSessionDescription jdesc_output(kDummyType);
+ EXPECT_TRUE(SdpDeserialize(sdp, &jdesc_output));
+}
+
+// This tests parsing of SDP with unknown ssrc-specific attributes.
+TEST_F(WebRtcSdpTest, ParseIgnoreUnknownSsrcSpecificAttribute) {
+ std::string sdp = kSdpString;
+ sdp += "a=ssrc:1 mslabel:something\r\n";
+
+ JsepSessionDescription output(kDummyType);
+ SdpParseError error;
+ ASSERT_TRUE(webrtc::SdpDeserialize(sdp, &output, &error));
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-20 18:34:20 +0000