/* * 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 #include #include #include #include "webrtc/api/jsepsessiondescription.h" #ifdef WEBRTC_ANDROID #include "webrtc/api/test/androidtestinitializer.h" #endif #include "webrtc/api/webrtcsdp.h" #include "webrtc/base/gunit.h" #include "webrtc/base/logging.h" #include "webrtc/base/messagedigest.h" #include "webrtc/base/sslfingerprint.h" #include "webrtc/base/stringencode.h" #include "webrtc/base/stringutils.h" #include "webrtc/media/base/mediaconstants.h" #include "webrtc/media/engine/webrtcvideoengine2.h" #include "webrtc/modules/video_coding/codecs/h264/include/h264.h" #include "webrtc/p2p/base/p2pconstants.h" #include "webrtc/pc/mediasession.h" using cricket::AudioCodec; using cricket::AudioContentDescription; using cricket::Candidate; using cricket::ContentInfo; using cricket::CryptoParams; using cricket::ContentGroup; using cricket::DataCodec; using cricket::DataContentDescription; using cricket::ICE_CANDIDATE_COMPONENT_RTCP; using cricket::ICE_CANDIDATE_COMPONENT_RTP; using cricket::kFecSsrcGroupSemantics; using cricket::LOCAL_PORT_TYPE; using cricket::NS_JINGLE_DRAFT_SCTP; using cricket::NS_JINGLE_RTP; using cricket::RELAY_PORT_TYPE; using cricket::SessionDescription; using cricket::StreamParams; using cricket::STUN_PORT_TYPE; using cricket::TransportDescription; using cricket::TransportInfo; using cricket::VideoCodec; using cricket::VideoContentDescription; using webrtc::IceCandidateCollection; using webrtc::IceCandidateInterface; using webrtc::JsepIceCandidate; using webrtc::JsepSessionDescription; using webrtc::RtpExtension; using webrtc::SdpParseError; using webrtc::SessionDescriptionInterface; typedef std::vector AudioCodecs; typedef std::vector Candidates; static const uint32_t kDefaultSctpPort = 5000; 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 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 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=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" "a=ssrc:1 mslabel:local_stream_1\r\n" "a=ssrc:1 label: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:2 mslabel:local_stream_1\r\n" "a=ssrc:2 label: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:3 mslabel:local_stream_1\r\n" "a=ssrc:3 label: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=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" "a=ssrc:1 mslabel:local_stream_1\r\n" "a=ssrc:1 label: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:2 mslabel:local_stream_1\r\n" "a=ssrc:2 label: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:3 mslabel:local_stream_1\r\n" "a=ssrc:3 label:video_track_id_1\r\n"; static const char kSdpRtpDataChannelString[] = "m=application 9 RTP/SAVPF 101\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_data\r\n" "a=ice-pwd:pwd_data\r\n" "a=mid:data_content_name\r\n" "a=sendrecv\r\n" "a=crypto:1 AES_CM_128_HMAC_SHA1_80 " "inline:FvLcvU2P3ZWmQxgPAgcDu7Zl9vftYElFOjEzhWs5\r\n" "a=rtpmap:101 google-data/90000\r\n" "a=ssrc:10 cname:data_channel_cname\r\n" "a=ssrc:10 msid:data_channel data_channeld0\r\n" "a=ssrc:10 mslabel:data_channel\r\n" "a=ssrc:10 label:data_channeld0\r\n"; static const char kSdpSctpDataChannelString[] = "m=application 9 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 static const char kSdpSctpDataChannelStringWithSctpPort[] = "m=application 9 DTLS/SCTP webrtc-datachannel\r\n" "a=max-message-size=100000\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 kSdpSctpDataChannelStringWithSctpColonPort[] = "m=application 9 DTLS/SCTP webrtc-datachannel\r\n" "a=max-message-size=100000\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 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" "a=ssrc:1 mslabel:local_stream\r\n" "a=ssrc:1 label: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" "a=ssrc:2 mslabel:local_stream\r\n" "a=ssrc:2 label: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=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:1 mslabel:local_stream_1\r\n" "a=ssrc:1 label: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" "a=ssrc:4 mslabel:local_stream_2\r\n" "a=ssrc:4 label: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:2 mslabel:local_stream_1\r\n" "a=ssrc:2 label: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:3 mslabel:local_stream_1\r\n" "a=ssrc:3 label: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:5 mslabel:local_stream_2\r\n" "a=ssrc:5 label: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" "a=ssrc:6 mslabel:local_stream_2\r\n" "a=ssrc:6 label:video_track_id_3\r\n"; // Plan B SDP reference string, with 2 streams, 2 audio tracks and 3 video // tracks, but with the unified plan "a=msid" attribute. static const char kPlanBSdpFullStringWithMsid[] = "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" "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" "a=ssrc:1 msid:local_stream_1 audio_track_id_1\r\n" "a=ssrc:1 mslabel:local_stream_1\r\n" "a=ssrc:1 label: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" "a=ssrc:4 mslabel:local_stream_2\r\n" "a=ssrc:4 label: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=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:2 msid:local_stream_1 video_track_id_1\r\n" "a=ssrc:2 mslabel:local_stream_1\r\n" "a=ssrc:2 label: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:3 mslabel:local_stream_1\r\n" "a=ssrc:3 label: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:5 mslabel:local_stream_2\r\n" "a=ssrc:5 label: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" "a=ssrc:6 mslabel:local_stream_2\r\n" "a=ssrc:6 label: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=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"; // One candidate reference string as per W3c spec. // candidate: not a=candidate: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"; // 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 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 kVideoContentName2[] = "video_content_name_2"; static const char kVideoContentName3[] = "video_content_name_3"; // MediaStream 1 static const char kStreamLabel1[] = "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 kStreamLabel2[] = "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; // DataChannel static const char kDataChannelLabel[] = "data_channel"; static const char kDataChannelMsid[] = "data_channeld0"; static const char kDataChannelCname[] = "data_channel_cname"; static const uint32_t kDataChannelSsrc = 10; // Candidate static const char kDummyMid[] = "dummy_mid"; static const int kDummyIndex = 123; // Misc static const char kDummyString[] = "dummy"; // 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) { const std::string tmp = line + newlines; rtc::replace_substrs(line.c_str(), line.length(), tmp.c_str(), tmp.length(), message); } static void Replace(const std::string& line, const std::string& newlines, std::string* message) { rtc::replace_substrs(line.c_str(), line.length(), newlines.c_str(), newlines.length(), message); } // Expect fail to parase |bad_sdp| and expect |bad_part| be part of the error // message. static void ExpectParseFailure(const std::string& bad_sdp, const std::string& bad_part) { JsepSessionDescription desc(kDummyString); SdpParseError error; bool ret = webrtc::SdpDeserialize(bad_sdp, &desc, &error); EXPECT_FALSE(ret); EXPECT_NE(std::string::npos, error.line.find(bad_part.c_str())); } // 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(cricket::MediaContentDirection direction, std::string* message) { std::string new_direction; switch (direction) { case cricket::MD_INACTIVE: new_direction = "a=inactive"; break; case cricket::MD_SENDONLY: new_direction = "a=sendonly"; break; case cricket::MD_RECVONLY: new_direction = "a=recvonly"; break; case cricket::MD_SENDRECV: default: 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_(kDummyString) { #ifdef WEBRTC_ANDROID webrtc::InitializeAndroidObjects(); #endif // AudioContentDescription audio_desc_ = CreateAudioContentDescription(); StreamParams audio_stream; audio_stream.id = kAudioTrackId1; audio_stream.cname = kStream1Cname; audio_stream.sync_label = kStreamLabel1; audio_stream.ssrcs.push_back(kAudioTrack1Ssrc); audio_desc_->AddStream(audio_stream); desc_.AddContent(kAudioContentName, NS_JINGLE_RTP, audio_desc_); // VideoContentDescription video_desc_ = CreateVideoContentDescription(); StreamParams video_stream; video_stream.id = kVideoTrackId1; video_stream.cname = kStream1Cname; video_stream.sync_label = kStreamLabel1; 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); desc_.AddContent(kVideoContentName, NS_JINGLE_RTP, video_desc_); // TransportInfo EXPECT_TRUE(desc_.AddTransportInfo(TransportInfo( kAudioContentName, TransportDescription(kUfragVoice, kPwdVoice)))); EXPECT_TRUE(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_.Copy(), 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); } } // Turns the existing reference description into a plan B description, // with 2 audio tracks and 3 video tracks. void MakePlanBDescription() { audio_desc_ = static_cast(audio_desc_->Copy()); video_desc_ = static_cast(video_desc_->Copy()); StreamParams audio_track_2; audio_track_2.id = kAudioTrackId2; audio_track_2.cname = kStream2Cname; audio_track_2.sync_label = kStreamLabel2; 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.sync_label = kStreamLabel2; 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.sync_label = kStreamLabel2; video_track_3.ssrcs.push_back(kVideoTrack3Ssrc); video_desc_->AddStream(video_track_3); desc_.RemoveContentByName(kAudioContentName); desc_.RemoveContentByName(kVideoContentName); desc_.AddContent(kAudioContentName, NS_JINGLE_RTP, audio_desc_); desc_.AddContent(kVideoContentName, NS_JINGLE_RTP, video_desc_); ASSERT_TRUE(jdesc_.Initialize(desc_.Copy(), 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() { // Audio track 2. AudioContentDescription* audio_desc_2 = CreateAudioContentDescription(); StreamParams audio_track_2; audio_track_2.id = kAudioTrackId2; audio_track_2.cname = kStream2Cname; audio_track_2.sync_label = kStreamLabel2; audio_track_2.ssrcs.push_back(kAudioTrack2Ssrc); audio_desc_2->AddStream(audio_track_2); desc_.AddContent(kAudioContentName2, NS_JINGLE_RTP, audio_desc_2); EXPECT_TRUE(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.cname = kStream2Cname; video_track_2.sync_label = kStreamLabel2; video_track_2.ssrcs.push_back(kVideoTrack2Ssrc); video_desc_2->AddStream(video_track_2); desc_.AddContent(kVideoContentName2, NS_JINGLE_RTP, video_desc_2); EXPECT_TRUE(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.cname = kStream2Cname; video_track_3.sync_label = kStreamLabel2; video_track_3.ssrcs.push_back(kVideoTrack3Ssrc); video_desc_3->AddStream(video_track_3); desc_.AddContent(kVideoContentName3, NS_JINGLE_RTP, video_desc_3); EXPECT_TRUE(desc_.AddTransportInfo(TransportInfo( kVideoContentName3, TransportDescription(kUfragVideo3, kPwdVideo3)))); ASSERT_TRUE(jdesc_.Initialize(desc_.Copy(), 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); AudioCodec opus(111, "opus", 48000, 0, 2); audio->AddCodec(opus); audio->AddCodec(AudioCodec(103, "ISAC", 16000, 32000, 1)); audio->AddCodec(AudioCodec(104, "ISAC", 32000, 56000, 1)); return audio; } // 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, JsepSessionDescription::kMaxVideoCodecWidth, JsepSessionDescription::kMaxVideoCodecHeight, JsepSessionDescription::kDefaultVideoCodecFramerate)); return video; } template void CompareMediaContentDescription(const MCD* cd1, const MCD* cd2) { // type EXPECT_EQ(cd1->type(), cd1->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 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); } } 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); // content name EXPECT_EQ(c1.name, c2.name); // content type // Note, ASSERT will return from the function, but will not stop the test. ASSERT_EQ(c1.type, c2.type); ASSERT_EQ(IsAudioContent(&c1), IsAudioContent(&c2)); if (IsAudioContent(&c1)) { const AudioContentDescription* acd1 = static_cast(c1.description); const AudioContentDescription* acd2 = static_cast(c2.description); CompareMediaContentDescription(acd1, acd2); } ASSERT_EQ(IsVideoContent(&c1), IsVideoContent(&c2)); if (IsVideoContent(&c1)) { const VideoContentDescription* vcd1 = static_cast(c1.description); const VideoContentDescription* vcd2 = static_cast(c2.description); CompareMediaContentDescription(vcd1, vcd2); } ASSERT_EQ(IsDataContent(&c1), IsDataContent(&c2)); if (IsDataContent(&c1)) { const DataContentDescription* dcd1 = static_cast(c1.description); const DataContentDescription* dcd2 = static_cast(c2.description); CompareMediaContentDescription(dcd1, dcd2); } } // 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); 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()); } 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()) 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) { const char ice_ufrag[] = "a=ice-ufrag"; const char ice_ufragx[] = "a=xice-ufrag"; const char ice_pwd[] = "a=ice-pwd"; const char ice_pwdx[] = "a=xice-pwd"; rtc::replace_substrs(ice_ufrag, strlen(ice_ufrag), ice_ufragx, strlen(ice_ufragx), sdp); rtc::replace_substrs(ice_pwd, strlen(ice_pwd), ice_pwdx, strlen(ice_pwdx), 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 { ASSERT(false); } TransportInfo transport_info( content_name, TransportDescription(ufrag, pwd)); SessionDescription* desc = const_cast(jdesc->description()); desc->RemoveTransportInfoByName(content_name); EXPECT_TRUE(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(cc->at(j)->candidate()).set_username( ufrag); const_cast(cc->at(j)->candidate()).set_password( pwd); } } } return true; } void AddIceOptions(const std::string& content_name, const std::vector& 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, sizeof(kIdentityDigest)); EXPECT_TRUE(desc_.AddTransportInfo(TransportInfo( kAudioContentName, TransportDescription(std::vector(), kUfragVoice, kPwdVoice, cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_NONE, &fingerprint)))); EXPECT_TRUE(desc_.AddTransportInfo(TransportInfo( kVideoContentName, TransportDescription(std::vector(), kUfragVideo, kPwdVideo, cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_NONE, &fingerprint)))); } void AddExtmap() { audio_desc_ = static_cast( audio_desc_->Copy()); video_desc_ = static_cast( video_desc_->Copy()); audio_desc_->AddRtpHeaderExtension(RtpExtension(kExtmapUri, kExtmapId)); video_desc_->AddRtpHeaderExtension(RtpExtension(kExtmapUri, kExtmapId)); desc_.RemoveContentByName(kAudioContentName); desc_.RemoveContentByName(kVideoContentName); desc_.AddContent(kAudioContentName, NS_JINGLE_RTP, audio_desc_); desc_.AddContent(kVideoContentName, NS_JINGLE_RTP, video_desc_); } void RemoveCryptos() { audio_desc_->set_cryptos(std::vector()); video_desc_->set_cryptos(std::vector()); } bool TestSerializeDirection(cricket::MediaContentDirection direction) { audio_desc_->set_direction(direction); video_desc_->set_direction(direction); std::string new_sdp = kSdpFullString; ReplaceDirection(direction, &new_sdp); if (!jdesc_.Initialize(desc_.Copy(), jdesc_.session_id(), jdesc_.session_version())) { return false; } std::string message = webrtc::SdpSerialize(jdesc_, false); EXPECT_EQ(new_sdp, message); return true; } bool TestSerializeRejected(bool audio_rejected, bool video_rejected) { audio_desc_ = static_cast( audio_desc_->Copy()); video_desc_ = static_cast( video_desc_->Copy()); desc_.RemoveContentByName(kAudioContentName); desc_.RemoveContentByName(kVideoContentName); desc_.AddContent(kAudioContentName, NS_JINGLE_RTP, audio_rejected, audio_desc_); desc_.AddContent(kVideoContentName, NS_JINGLE_RTP, video_rejected, 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(kDummyString); if (!jdesc_no_candidates.Initialize(desc_.Copy(), kSessionId, kSessionVersion)) { return false; } std::string message = webrtc::SdpSerialize(jdesc_no_candidates, false); EXPECT_EQ(new_sdp, message); return true; } void AddSctpDataChannel() { std::unique_ptr data(new DataContentDescription()); data_desc_ = data.get(); data_desc_->set_protocol(cricket::kMediaProtocolDtlsSctp); DataCodec codec(cricket::kGoogleSctpDataCodecId, cricket::kGoogleSctpDataCodecName); codec.SetParam(cricket::kCodecParamPort, kDefaultSctpPort); data_desc_->AddCodec(codec); desc_.AddContent(kDataContentName, NS_JINGLE_DRAFT_SCTP, data.release()); EXPECT_TRUE(desc_.AddTransportInfo(TransportInfo( kDataContentName, TransportDescription(kUfragData, kPwdData)))); } void AddRtpDataChannel() { std::unique_ptr data(new DataContentDescription()); data_desc_ = data.get(); data_desc_->AddCodec(DataCodec(101, "google-data")); StreamParams data_stream; data_stream.id = kDataChannelMsid; data_stream.cname = kDataChannelCname; data_stream.sync_label = kDataChannelLabel; data_stream.ssrcs.push_back(kDataChannelSsrc); data_desc_->AddStream(data_stream); data_desc_->AddCrypto(CryptoParams( 1, "AES_CM_128_HMAC_SHA1_80", "inline:FvLcvU2P3ZWmQxgPAgcDu7Zl9vftYElFOjEzhWs5", "")); data_desc_->set_protocol(cricket::kMediaProtocolSavpf); desc_.AddContent(kDataContentName, NS_JINGLE_RTP, data.release()); EXPECT_TRUE(desc_.AddTransportInfo(TransportInfo( kDataContentName, TransportDescription(kUfragData, kPwdData)))); } bool TestDeserializeDirection(cricket::MediaContentDirection direction) { std::string new_sdp = kSdpFullString; ReplaceDirection(direction, &new_sdp); JsepSessionDescription new_jdesc(kDummyString); EXPECT_TRUE(SdpDeserialize(new_sdp, &new_jdesc)); audio_desc_->set_direction(direction); video_desc_->set_direction(direction); if (!jdesc_.Initialize(desc_.Copy(), 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(JsepSessionDescription::kOffer); EXPECT_TRUE(SdpDeserialize(new_sdp, &new_jdesc)); audio_desc_ = static_cast( audio_desc_->Copy()); video_desc_ = static_cast( video_desc_->Copy()); desc_.RemoveContentByName(kAudioContentName); desc_.RemoveContentByName(kVideoContentName); desc_.AddContent(kAudioContentName, NS_JINGLE_RTP, audio_rejected, audio_desc_); desc_.AddContent(kVideoContentName, NS_JINGLE_RTP, video_rejected, video_desc_); SetIceUfragPwd(kAudioContentName, audio_rejected ? "" : kUfragVoice, audio_rejected ? "" : kPwdVoice); SetIceUfragPwd(kVideoContentName, video_rejected ? "" : kUfragVideo, video_rejected ? "" : kPwdVideo); JsepSessionDescription jdesc_no_candidates(kDummyString); if (!jdesc_no_candidates.Initialize(desc_.Copy(), 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) { AddExtmap(); JsepSessionDescription new_jdesc("dummy"); ASSERT_TRUE(new_jdesc.Initialize(desc_.Copy(), jdesc_.session_id(), jdesc_.session_version())); JsepSessionDescription jdesc_with_extmap("dummy"); std::string sdp_with_extmap = kSdpString; if (session_level) { InjectAfter(kSessionTime, kExtmapWithDirectionAndAttribute, &sdp_with_extmap); } if (media_level) { InjectAfter(kAttributeIcePwdVoice, kExtmapWithDirectionAndAttribute, &sdp_with_extmap); InjectAfter(kAttributeIcePwdVideo, 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\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=fmtp:111 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\r\n" << "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 ContentInfo* ac = GetFirstAudioContent(jdesc_output->description()); ASSERT_TRUE(ac != NULL); const AudioContentDescription* acd = static_cast(ac->description); 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); if (codec.name == "ISAC") { if (codec.clockrate == 16000) { EXPECT_EQ(32000, codec.bitrate); } else { EXPECT_EQ(56000, codec.bitrate); } } } const ContentInfo* vc = GetFirstVideoContent(jdesc_output->description()); ASSERT_TRUE(vc != NULL); const VideoContentDescription* vcd = static_cast(vc->description); 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); } 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 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 ContentInfo* ac = GetFirstAudioContent(jdesc_output->description()); ASSERT_TRUE(ac != NULL); const AudioContentDescription* acd = static_cast(ac->description); 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 ContentInfo* vc = GetFirstVideoContent(jdesc_output->description()); ASSERT_TRUE(vc != NULL); const VideoContentDescription* vcd = static_cast(vc->description); 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::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, bool unified_plan_sdp) { std::string message = webrtc::SdpSerialize(jdesc, unified_plan_sdp); JsepSessionDescription jdesc_output_des(kDummyString); SdpParseError error; EXPECT_TRUE(webrtc::SdpDeserialize(message, &jdesc_output_des, &error)); EXPECT_TRUE(CompareSessionDescription(jdesc, jdesc_output_des)); } protected: SessionDescription desc_; AudioContentDescription* audio_desc_; VideoContentDescription* video_desc_; DataContentDescription* data_desc_; Candidates candidates_; std::unique_ptr 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(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_, false); TestMismatch(std::string(kSdpFullString), message); } TEST_F(WebRtcSdpTest, SerializeSessionDescriptionEmpty) { JsepSessionDescription jdesc_empty(kDummyString); EXPECT_EQ("", webrtc::SdpSerialize(jdesc_empty, false)); } // This tests serialization of SDP with only IPv6 candidates and verifies that // IPv6 is used as default address in c line according to preference. TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithIPv6Only) { // Only test 1 m line. desc_.RemoveContentByName("video_content_name"); // Stun has a high preference than local host. cricket::Candidate candidate1( cricket::ICE_CANDIDATE_COMPONENT_RTP, "udp", rtc::SocketAddress("::1", 1234), kCandidatePriority, "", "", cricket::STUN_PORT_TYPE, kCandidateGeneration, kCandidateFoundation1); cricket::Candidate candidate2( cricket::ICE_CANDIDATE_COMPONENT_RTP, "udp", rtc::SocketAddress("::2", 1235), kCandidatePriority, "", "", cricket::LOCAL_PORT_TYPE, kCandidateGeneration, kCandidateFoundation1); JsepSessionDescription jdesc(kDummyString); ASSERT_TRUE(jdesc.Initialize(desc_.Copy(), kSessionId, kSessionVersion)); // Only add the candidates to audio m line. JsepIceCandidate jice1("audio_content_name", 0, candidate1); JsepIceCandidate jice2("audio_content_name", 0, candidate2); ASSERT_TRUE(jdesc.AddCandidate(&jice1)); ASSERT_TRUE(jdesc.AddCandidate(&jice2)); std::string message = webrtc::SdpSerialize(jdesc, false); // Audio line should have a c line like this one. EXPECT_NE(message.find("c=IN IP6 ::1"), std::string::npos); // Shouldn't have a IP4 c line. EXPECT_EQ(message.find("c=IN IP4"), std::string::npos); } // This tests serialization of SDP with both IPv4 and IPv6 candidates and // verifies that IPv4 is used as default address in c line even if the // preference of IPv4 is lower. TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithBothIPFamilies) { // Only test 1 m line. desc_.RemoveContentByName("video_content_name"); cricket::Candidate candidate_v4( cricket::ICE_CANDIDATE_COMPONENT_RTP, "udp", rtc::SocketAddress("192.168.1.5", 1234), kCandidatePriority, "", "", cricket::STUN_PORT_TYPE, kCandidateGeneration, kCandidateFoundation1); cricket::Candidate candidate_v6( cricket::ICE_CANDIDATE_COMPONENT_RTP, "udp", rtc::SocketAddress("::1", 1234), kCandidatePriority, "", "", cricket::LOCAL_PORT_TYPE, kCandidateGeneration, kCandidateFoundation1); JsepSessionDescription jdesc(kDummyString); ASSERT_TRUE(jdesc.Initialize(desc_.Copy(), kSessionId, kSessionVersion)); // Only add the candidates to audio m line. JsepIceCandidate jice_v4("audio_content_name", 0, candidate_v4); JsepIceCandidate jice_v6("audio_content_name", 0, candidate_v6); ASSERT_TRUE(jdesc.AddCandidate(&jice_v4)); ASSERT_TRUE(jdesc.AddCandidate(&jice_v6)); std::string message = webrtc::SdpSerialize(jdesc, false); // Audio line should have a c line like this one. EXPECT_NE(message.find("c=IN IP4 192.168.1.5"), std::string::npos); // Shouldn't have a IP6 c line. EXPECT_EQ(message.find("c=IN IP6"), std::string::npos); } // This tests serialization of SDP with both UDP and TCP candidates and // verifies that UDP is used as default address in c line even if the // preference of UDP is lower. TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithBothProtocols) { // Only test 1 m line. desc_.RemoveContentByName("video_content_name"); // Stun has a high preference than local host. cricket::Candidate candidate1( cricket::ICE_CANDIDATE_COMPONENT_RTP, "tcp", rtc::SocketAddress("::1", 1234), kCandidatePriority, "", "", cricket::STUN_PORT_TYPE, kCandidateGeneration, kCandidateFoundation1); cricket::Candidate candidate2( cricket::ICE_CANDIDATE_COMPONENT_RTP, "udp", rtc::SocketAddress("fe80::1234:5678:abcd:ef12", 1235), kCandidatePriority, "", "", cricket::LOCAL_PORT_TYPE, kCandidateGeneration, kCandidateFoundation1); JsepSessionDescription jdesc(kDummyString); ASSERT_TRUE(jdesc.Initialize(desc_.Copy(), kSessionId, kSessionVersion)); // Only add the candidates to audio m line. JsepIceCandidate jice1("audio_content_name", 0, candidate1); JsepIceCandidate jice2("audio_content_name", 0, candidate2); ASSERT_TRUE(jdesc.AddCandidate(&jice1)); ASSERT_TRUE(jdesc.AddCandidate(&jice2)); std::string message = webrtc::SdpSerialize(jdesc, false); // Audio line should have a c line like this one. EXPECT_NE(message.find("c=IN IP6 fe80::1234:5678:abcd:ef12"), std::string::npos); // Shouldn't have a IP4 c line. EXPECT_EQ(message.find("c=IN IP4"), std::string::npos); } // This tests serialization of SDP with only TCP candidates and verifies that // null IPv4 is used as default address in c line. TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithTCPOnly) { // Only test 1 m line. desc_.RemoveContentByName("video_content_name"); // Stun has a high preference than local host. cricket::Candidate candidate1( cricket::ICE_CANDIDATE_COMPONENT_RTP, "tcp", rtc::SocketAddress("::1", 1234), kCandidatePriority, "", "", cricket::STUN_PORT_TYPE, kCandidateGeneration, kCandidateFoundation1); cricket::Candidate candidate2( cricket::ICE_CANDIDATE_COMPONENT_RTP, "tcp", rtc::SocketAddress("::2", 1235), kCandidatePriority, "", "", cricket::LOCAL_PORT_TYPE, kCandidateGeneration, kCandidateFoundation1); JsepSessionDescription jdesc(kDummyString); ASSERT_TRUE(jdesc.Initialize(desc_.Copy(), kSessionId, kSessionVersion)); // Only add the candidates to audio m line. JsepIceCandidate jice1("audio_content_name", 0, candidate1); JsepIceCandidate jice2("audio_content_name", 0, candidate2); ASSERT_TRUE(jdesc.AddCandidate(&jice1)); ASSERT_TRUE(jdesc.AddCandidate(&jice2)); std::string message = webrtc::SdpSerialize(jdesc, false); // Audio line should have a c line like this one when no any default exists. EXPECT_NE(message.find("c=IN IP4 0.0.0.0"), std::string::npos); } // 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(kDummyString); ASSERT_TRUE(jdesc_with_fingerprint.Initialize(desc_.Copy(), kSessionId, kSessionVersion)); std::string message = webrtc::SdpSerialize(jdesc_with_fingerprint, false); 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(kDummyString); ASSERT_TRUE(jdesc_with_fingerprint.Initialize(desc_.Copy(), kSessionId, kSessionVersion)); std::string message = webrtc::SdpSerialize(jdesc_with_fingerprint, false); 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(kDummyString); ASSERT_TRUE(jdesc_no_candidates.Initialize(desc_.Copy(), kSessionId, kSessionVersion)); std::string message = webrtc::SdpSerialize(jdesc_no_candidates, false); EXPECT_EQ(std::string(kSdpString), message); } TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithBundle) { ContentGroup group(cricket::GROUP_TYPE_BUNDLE); group.AddContentName(kAudioContentName); group.AddContentName(kVideoContentName); desc_.AddGroup(group); ASSERT_TRUE(jdesc_.Initialize(desc_.Copy(), jdesc_.session_id(), jdesc_.session_version())); std::string message = webrtc::SdpSerialize(jdesc_, false); std::string sdp_with_bundle = kSdpFullString; InjectAfter(kSessionTime, "a=group:BUNDLE audio_content_name video_content_name\r\n", &sdp_with_bundle); EXPECT_EQ(sdp_with_bundle, message); } TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithBandwidth) { VideoContentDescription* vcd = static_cast( GetFirstVideoContent(&desc_)->description); vcd->set_bandwidth(100 * 1000); AudioContentDescription* acd = static_cast( GetFirstAudioContent(&desc_)->description); acd->set_bandwidth(50 * 1000); ASSERT_TRUE(jdesc_.Initialize(desc_.Copy(), jdesc_.session_id(), jdesc_.session_version())); std::string message = webrtc::SdpSerialize(jdesc_, false); 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=AS:50\r\n", &sdp_with_bandwidth); EXPECT_EQ(sdp_with_bandwidth, message); } TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithIceOptions) { std::vector 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_.Copy(), jdesc_.session_id(), jdesc_.session_version())); std::string message = webrtc::SdpSerialize(jdesc_, false); 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(cricket::MD_RECVONLY)); } TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithSendOnlyContent) { EXPECT_TRUE(TestSerializeDirection(cricket::MD_SENDONLY)); } TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithInactiveContent) { EXPECT_TRUE(TestSerializeDirection(cricket::MD_INACTIVE)); } 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, SerializeSessionDescriptionWithRtpDataChannel) { AddRtpDataChannel(); JsepSessionDescription jsep_desc(kDummyString); ASSERT_TRUE(jsep_desc.Initialize(desc_.Copy(), kSessionId, kSessionVersion)); std::string message = webrtc::SdpSerialize(jsep_desc, false); std::string expected_sdp = kSdpString; expected_sdp.append(kSdpRtpDataChannelString); EXPECT_EQ(expected_sdp, message); } TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithSctpDataChannel) { AddSctpDataChannel(); JsepSessionDescription jsep_desc(kDummyString); ASSERT_TRUE(jsep_desc.Initialize(desc_.Copy(), kSessionId, kSessionVersion)); std::string message = webrtc::SdpSerialize(jsep_desc, false); std::string expected_sdp = kSdpString; expected_sdp.append(kSdpSctpDataChannelString); EXPECT_EQ(message, expected_sdp); } TEST_F(WebRtcSdpTest, SerializeWithSctpDataChannelAndNewPort) { AddSctpDataChannel(); JsepSessionDescription jsep_desc(kDummyString); ASSERT_TRUE(jsep_desc.Initialize(desc_.Copy(), kSessionId, kSessionVersion)); DataContentDescription* dcdesc = static_cast( jsep_desc.description()->GetContentDescriptionByName(kDataContentName)); const int kNewPort = 1234; cricket::DataCodec codec(cricket::kGoogleSctpDataCodecId, cricket::kGoogleSctpDataCodecName); codec.SetParam(cricket::kCodecParamPort, kNewPort); dcdesc->AddOrReplaceCodec(codec); std::string message = webrtc::SdpSerialize(jsep_desc, false); std::string expected_sdp = kSdpString; expected_sdp.append(kSdpSctpDataChannelString); char default_portstr[16]; char new_portstr[16]; rtc::sprintfn(default_portstr, sizeof(default_portstr), "%d", kDefaultSctpPort); rtc::sprintfn(new_portstr, sizeof(new_portstr), "%d", kNewPort); rtc::replace_substrs(default_portstr, strlen(default_portstr), new_portstr, strlen(new_portstr), &expected_sdp); EXPECT_EQ(expected_sdp, message); } TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithDataChannelAndBandwidth) { AddRtpDataChannel(); data_desc_->set_bandwidth(100*1000); JsepSessionDescription jsep_desc(kDummyString); ASSERT_TRUE(jsep_desc.Initialize(desc_.Copy(), kSessionId, kSessionVersion)); std::string message = webrtc::SdpSerialize(jsep_desc, false); std::string expected_sdp = kSdpString; expected_sdp.append(kSdpRtpDataChannelString); // Serializing data content shouldn't ignore bandwidth settings. InjectAfter("m=application 9 RTP/SAVPF 101\r\nc=IN IP4 0.0.0.0\r\n", "b=AS:100\r\n", &expected_sdp); EXPECT_EQ(expected_sdp, message); } TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithExtmap) { AddExtmap(); JsepSessionDescription desc_with_extmap("dummy"); ASSERT_TRUE(desc_with_extmap.Initialize(desc_.Copy(), kSessionId, kSessionVersion)); std::string message = webrtc::SdpSerialize(desc_with_extmap, false); 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, 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); } // TODO(mallinath) : Enable this test once WebRTCSdp capable of parsing // RFC 6544. 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 jcandidate( new JsepIceCandidate(std::string("audio_content_name"), 0, candidate)); std::string message = webrtc::SdpSerializeCandidate(*jcandidate); EXPECT_EQ(std::string(kSdpTcpActiveCandidate), message); } TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithH264) { if (!webrtc::H264Encoder::IsSupported()) return; for (const auto& codec : cricket::DefaultVideoCodecList()) { video_desc_->AddCodec(codec); } jdesc_.Initialize(desc_.Copy(), kSessionId, kSessionVersion); std::string message = webrtc::SdpSerialize(jdesc_, false); 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(kDummyString); // Deserialize EXPECT_TRUE(SdpDeserialize(kSdpFullString, &jdesc)); // Verify EXPECT_TRUE(CompareSessionDescription(jdesc_, jdesc)); } TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithoutMline) { JsepSessionDescription jdesc(kDummyString); 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(kDummyString); 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(kDummyString); ASSERT_TRUE(jdesc_no_candidates.Initialize(desc_.Copy(), kSessionId, kSessionVersion)); JsepSessionDescription new_jdesc(kDummyString); 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 G729/16000\r\n" "a=rtpmap:103 ISAC/16000\r\n"; JsepSessionDescription jdesc(kDummyString); EXPECT_TRUE(SdpDeserialize(kSdpNoRtpmapString, &jdesc)); cricket::AudioContentDescription* audio = static_cast( jdesc.description()->GetContentDescriptionByName(cricket::CN_AUDIO)); AudioCodecs ref_codecs; // The codecs in the AudioContentDescription should be in the same order as // the payload types (s) on the m= line. ref_codecs.push_back(AudioCodec(0, "PCMU", 8000, 0, 1)); ref_codecs.push_back(AudioCodec(18, "G729", 16000, 0, 1)); ref_codecs.push_back(AudioCodec(103, "ISAC", 16000, 32000, 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(kDummyString); EXPECT_TRUE(SdpDeserialize(kSdpNoRtpmapString, &jdesc)); cricket::AudioContentDescription* audio = static_cast( jdesc.description()->GetContentDescriptionByName(cricket::CN_AUDIO)); 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(kDummyString); ASSERT_TRUE(new_jdesc.Initialize(desc_.Copy(), jdesc_.session_id(), jdesc_.session_version())); JsepSessionDescription jdesc_with_fingerprint(kDummyString); 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(kDummyString); 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_.Copy(), jdesc_.session_id(), jdesc_.session_version())); EXPECT_TRUE(CompareSessionDescription(jdesc_, jdesc_with_bundle)); } TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithBandwidth) { JsepSessionDescription jdesc_with_bandwidth(kDummyString); 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 = static_cast( GetFirstVideoContent(&desc_)->description); vcd->set_bandwidth(100 * 1000); AudioContentDescription* acd = static_cast( GetFirstAudioContent(&desc_)->description); acd->set_bandwidth(50 * 1000); ASSERT_TRUE(jdesc_.Initialize(desc_.Copy(), jdesc_.session_id(), jdesc_.session_version())); EXPECT_TRUE(CompareSessionDescription(jdesc_, jdesc_with_bandwidth)); } TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithIceOptions) { JsepSessionDescription jdesc_with_ice_options(kDummyString); 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 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_.Copy(), 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(kDummyString); 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(cricket::MD_RECVONLY)); } TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithSendOnlyContent) { EXPECT_TRUE(TestDeserializeDirection(cricket::MD_SENDONLY)); } TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithInactiveContent) { EXPECT_TRUE(TestDeserializeDirection(cricket::MD_INACTIVE)); } 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)); } // Tests that we can still handle the sdp uses mslabel and label instead of // msid for backward compatibility. TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithoutMsid) { jdesc_.description()->set_msid_supported(false); JsepSessionDescription jdesc(kDummyString); std::string sdp_without_msid = kSdpFullString; Replace("msid", "xmsid", &sdp_without_msid); // Deserialize EXPECT_TRUE(SdpDeserialize(sdp_without_msid, &jdesc)); // Verify EXPECT_TRUE(CompareSessionDescription(jdesc_, jdesc)); } 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 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. Candiate-attribute will be of the format // candidate:. 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)); } // 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, DeserializeSdpWithRtpDataChannels) { AddRtpDataChannel(); JsepSessionDescription jdesc(kDummyString); ASSERT_TRUE(jdesc.Initialize(desc_.Copy(), kSessionId, kSessionVersion)); std::string sdp_with_data = kSdpString; sdp_with_data.append(kSdpRtpDataChannelString); JsepSessionDescription jdesc_output(kDummyString); // Deserialize EXPECT_TRUE(SdpDeserialize(sdp_with_data, &jdesc_output)); // Verify EXPECT_TRUE(CompareSessionDescription(jdesc, jdesc_output)); } TEST_F(WebRtcSdpTest, DeserializeSdpWithSctpDataChannels) { AddSctpDataChannel(); JsepSessionDescription jdesc(kDummyString); ASSERT_TRUE(jdesc.Initialize(desc_.Copy(), kSessionId, kSessionVersion)); std::string sdp_with_data = kSdpString; sdp_with_data.append(kSdpSctpDataChannelString); JsepSessionDescription jdesc_output(kDummyString); // Verify with DTLS/SCTP (already in kSdpSctpDataChannelString). EXPECT_TRUE(SdpDeserialize(sdp_with_data, &jdesc_output)); EXPECT_TRUE(CompareSessionDescription(jdesc, jdesc_output)); // Verify with UDP/DTLS/SCTP. sdp_with_data.replace(sdp_with_data.find(kDtlsSctp), strlen(kDtlsSctp), kUdpDtlsSctp); 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(kUdpDtlsSctp), strlen(kUdpDtlsSctp), kTcpDtlsSctp); EXPECT_TRUE(SdpDeserialize(sdp_with_data, &jdesc_output)); EXPECT_TRUE(CompareSessionDescription(jdesc, jdesc_output)); } TEST_F(WebRtcSdpTest, DeserializeSdpWithSctpDataChannelsWithSctpPort) { AddSctpDataChannel(); JsepSessionDescription jdesc(kDummyString); ASSERT_TRUE(jdesc.Initialize(desc_.Copy(), kSessionId, kSessionVersion)); std::string sdp_with_data = kSdpString; sdp_with_data.append(kSdpSctpDataChannelStringWithSctpPort); JsepSessionDescription jdesc_output(kDummyString); // Verify with DTLS/SCTP (already in kSdpSctpDataChannelStringWithSctpPort). EXPECT_TRUE(SdpDeserialize(sdp_with_data, &jdesc_output)); EXPECT_TRUE(CompareSessionDescription(jdesc, jdesc_output)); // Verify with UDP/DTLS/SCTP. sdp_with_data.replace(sdp_with_data.find(kDtlsSctp), strlen(kDtlsSctp), kUdpDtlsSctp); 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(kUdpDtlsSctp), strlen(kUdpDtlsSctp), kTcpDtlsSctp); EXPECT_TRUE(SdpDeserialize(sdp_with_data, &jdesc_output)); EXPECT_TRUE(CompareSessionDescription(jdesc, jdesc_output)); } TEST_F(WebRtcSdpTest, DeserializeSdpWithSctpDataChannelsWithSctpColonPort) { AddSctpDataChannel(); JsepSessionDescription jdesc(kDummyString); ASSERT_TRUE(jdesc.Initialize(desc_.Copy(), kSessionId, kSessionVersion)); std::string sdp_with_data = kSdpString; sdp_with_data.append(kSdpSctpDataChannelStringWithSctpColonPort); JsepSessionDescription jdesc_output(kDummyString); // Verify with DTLS/SCTP. EXPECT_TRUE(SdpDeserialize(sdp_with_data, &jdesc_output)); EXPECT_TRUE(CompareSessionDescription(jdesc, jdesc_output)); // Verify with UDP/DTLS/SCTP. sdp_with_data.replace(sdp_with_data.find(kDtlsSctp), strlen(kDtlsSctp), kUdpDtlsSctp); 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(kUdpDtlsSctp), strlen(kUdpDtlsSctp), kTcpDtlsSctp); EXPECT_TRUE(SdpDeserialize(sdp_with_data, &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) { AddSctpDataChannel(); JsepSessionDescription jdesc(kDummyString); ASSERT_TRUE(jdesc.Initialize(desc_.Copy(), 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(kDummyString); EXPECT_FALSE(SdpDeserialize(sdp_with_data, &jdesc_output)); } // 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(kDummyString); EXPECT_FALSE(SdpDeserialize(sdp_with_data, &jdesc_output)); // No crash is a pass. } TEST_F(WebRtcSdpTest, DeserializeSdpWithSctpDataChannelAndNewPort) { AddSctpDataChannel(); const uint16_t kUnusualSctpPort = 9556; char default_portstr[16]; char unusual_portstr[16]; rtc::sprintfn(default_portstr, sizeof(default_portstr), "%d", kDefaultSctpPort); rtc::sprintfn(unusual_portstr, sizeof(unusual_portstr), "%d", kUnusualSctpPort); // First setup the expected JsepSessionDescription. JsepSessionDescription jdesc(kDummyString); // take our pre-built session description and change the SCTP port. cricket::SessionDescription* mutant = desc_.Copy(); DataContentDescription* dcdesc = static_cast( mutant->GetContentDescriptionByName(kDataContentName)); std::vector codecs(dcdesc->codecs()); EXPECT_EQ(1U, codecs.size()); EXPECT_EQ(cricket::kGoogleSctpDataCodecId, codecs[0].id); codecs[0].SetParam(cricket::kCodecParamPort, kUnusualSctpPort); dcdesc->set_codecs(codecs); // note: mutant's owned by jdesc now. ASSERT_TRUE(jdesc.Initialize(mutant, kSessionId, kSessionVersion)); mutant = NULL; // Then get the deserialized JsepSessionDescription. std::string sdp_with_data = kSdpString; sdp_with_data.append(kSdpSctpDataChannelString); rtc::replace_substrs(default_portstr, strlen(default_portstr), unusual_portstr, strlen(unusual_portstr), &sdp_with_data); JsepSessionDescription jdesc_output(kDummyString); EXPECT_TRUE(SdpDeserialize(sdp_with_data, &jdesc_output)); EXPECT_TRUE(CompareSessionDescription(jdesc, jdesc_output)); // We need to test the deserialized JsepSessionDescription from // kSdpSctpDataChannelStringWithSctpPort for // draft-ietf-mmusic-sctp-sdp-07 // a=sctp-port sdp_with_data = kSdpString; sdp_with_data.append(kSdpSctpDataChannelStringWithSctpPort); rtc::replace_substrs(default_portstr, strlen(default_portstr), unusual_portstr, strlen(unusual_portstr), &sdp_with_data); EXPECT_TRUE(SdpDeserialize(sdp_with_data, &jdesc_output)); EXPECT_TRUE(CompareSessionDescription(jdesc, jdesc_output)); } TEST_F(WebRtcSdpTest, DeserializeSdpWithRtpDataChannelsAndBandwidth) { // We want to test that deserializing data content limits bandwidth // settings (it should never be greater than the default). // This should prevent someone from using unlimited data bandwidth through // JS and "breaking the Internet". // See: https://code.google.com/p/chromium/issues/detail?id=280726 std::string sdp_with_bandwidth = kSdpString; sdp_with_bandwidth.append(kSdpRtpDataChannelString); InjectAfter("a=mid:data_content_name\r\n", "b=AS:100\r\n", &sdp_with_bandwidth); JsepSessionDescription jdesc_with_bandwidth(kDummyString); EXPECT_FALSE(SdpDeserialize(sdp_with_bandwidth, &jdesc_with_bandwidth)); } TEST_F(WebRtcSdpTest, DeserializeSdpWithSctpDataChannelsAndBandwidth) { AddSctpDataChannel(); JsepSessionDescription jdesc(kDummyString); DataContentDescription* dcd = static_cast( GetFirstDataContent(&desc_)->description); dcd->set_bandwidth(100 * 1000); ASSERT_TRUE(jdesc.Initialize(desc_.Copy(), 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(kDummyString); // 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)); } TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithSessionLevelExtmap) { TestDeserializeExtmap(true, false); } TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithMediaLevelExtmap) { TestDeserializeExtmap(false, true); } TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithInvalidExtmap) { TestDeserializeExtmap(true, true); } TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithoutEndLineBreak) { JsepSessionDescription jdesc(kDummyString); 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 label: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(kDummyString); // Deserialize EXPECT_TRUE(SdpDeserialize(kSdpConferenceString, &jdesc)); // Verify cricket::AudioContentDescription* audio = static_cast( jdesc.description()->GetContentDescriptionByName(cricket::CN_AUDIO)); EXPECT_TRUE(audio->conference_mode()); cricket::VideoContentDescription* video = static_cast( jdesc.description()->GetContentDescriptionByName(cricket::CN_VIDEO)); EXPECT_TRUE(video->conference_mode()); } 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); // 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"); // 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(kDummyString); 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 ContentInfo* ac = GetFirstAudioContent(jdesc_output.description()); ASSERT_TRUE(ac != NULL); const AudioContentDescription* acd = static_cast(ac->description); 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(kDummyString); 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, false); } TEST_F(WebRtcSdpTest, DeserializeSerializeRtcpFb) { const bool kUseWildcard = false; JsepSessionDescription jdesc_output(kDummyString); TestDeserializeRtcpFb(&jdesc_output, kUseWildcard); TestSerialize(jdesc_output, false); } TEST_F(WebRtcSdpTest, DeserializeSerializeRtcpFbWildcard) { const bool kUseWildcard = true; JsepSessionDescription jdesc_output(kDummyString); TestDeserializeRtcpFb(&jdesc_output, kUseWildcard); TestSerialize(jdesc_output, false); } TEST_F(WebRtcSdpTest, DeserializeVideoFmtp) { JsepSessionDescription jdesc_output(kDummyString); 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 ContentInfo* vc = GetFirstVideoContent(jdesc_output.description()); ASSERT_TRUE(vc != NULL); const VideoContentDescription* vcd = static_cast(vc->description); 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(kDummyString); 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 ContentInfo* vc = GetFirstVideoContent(jdesc_output.description()); ASSERT_TRUE(vc != NULL); const VideoContentDescription* vcd = static_cast(vc->description); ASSERT_TRUE(vcd != NULL); 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(kDummyString); 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 ContentInfo* vc = GetFirstVideoContent(jdesc_output.description()); ASSERT_TRUE(vc != NULL); const VideoContentDescription* vcd = static_cast(vc->description); 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, SerializeVideoFmtp) { VideoContentDescription* vcd = static_cast( GetFirstVideoContent(&desc_)->description); cricket::VideoCodecs codecs = vcd->codecs(); codecs[0].params["x-google-min-bitrate"] = "10"; vcd->set_codecs(codecs); ASSERT_TRUE(jdesc_.Initialize(desc_.Copy(), jdesc_.session_id(), jdesc_.session_version())); std::string message = webrtc::SdpSerialize(jdesc_, false); 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, DeserializeSdpWithIceLite) { JsepSessionDescription jdesc_with_icelite(kDummyString); 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); 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); } // 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(kDummyString); EXPECT_TRUE(SdpDeserialize(sdp_with_data, &jdesc_output)); EXPECT_EQ(sdp_with_data, webrtc::SdpSerialize(jdesc_output, false)); } 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_.Copy(), jdesc_.session_id(), jdesc_.session_version())); std::string message = webrtc::SdpSerialize(jdesc_, false); 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, DeserializeDtlsSetupAttribute) { JsepSessionDescription jdesc_with_dtlssetup(kDummyString); 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); } // 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(kDummyString); 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 = static_cast( desc->contents()[i].description); EXPECT_EQ(media_types[media_content_in_sdp[i]], mdesc->type()); } std::string serialized_sdp = webrtc::SdpSerialize(jdesc, false); EXPECT_EQ(sdp_string, serialized_sdp); } } TEST_F(WebRtcSdpTest, DeserializePlanBSessionDescription) { MakePlanBDescription(); JsepSessionDescription deserialized_description(kDummyString); EXPECT_TRUE(SdpDeserialize(kPlanBSdpFullString, &deserialized_description)); EXPECT_TRUE(CompareSessionDescription(jdesc_, deserialized_description)); } TEST_F(WebRtcSdpTest, SerializePlanBSessionDescription) { MakePlanBDescription(); TestSerialize(jdesc_, false); } // Some WebRTC endpoints include the msid in both the Plan B and Unified Plan // ways, to make SDP that's compatible with both Plan B and Unified Plan (to // some extent). If we parse this, the Plan B msid attribute (which is more // specific, since it's at the SSRC level) should take priority. TEST_F(WebRtcSdpTest, DeserializePlanBSessionDescriptionWithMsid) { MakePlanBDescription(); JsepSessionDescription deserialized_description(kDummyString); EXPECT_TRUE( SdpDeserialize(kPlanBSdpFullStringWithMsid, &deserialized_description)); EXPECT_TRUE(CompareSessionDescription(jdesc_, deserialized_description)); } TEST_F(WebRtcSdpTest, DeserializeUnifiedPlanSessionDescription) { MakeUnifiedPlanDescription(); JsepSessionDescription deserialized_description(kDummyString); EXPECT_TRUE( SdpDeserialize(kUnifiedPlanSdpFullString, &deserialized_description)); EXPECT_TRUE(CompareSessionDescription(jdesc_, deserialized_description)); } TEST_F(WebRtcSdpTest, SerializeUnifiedPlanSessionDescription) { MakeUnifiedPlanDescription(); TestSerialize(jdesc_, true); }