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webrtc / src / 34cd4858e3997f7e93834c4580a5e820020a3ba1 / . / pc / webrtc_sdp_unittest.cc
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/*
* Copyright 2011 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include <stdio.h>
#include <string.h>
#include <algorithm>
#include <cstdint>
#include <map>
#include <memory>
#include <string>
#include <utility>
#include <vector>
#include "absl/algorithm/container.h"
#include "absl/memory/memory.h"
#include "absl/strings/str_replace.h"
#include "api/array_view.h"
#include "api/crypto_params.h"
#include "api/jsep_session_description.h"
#include "api/media_types.h"
#include "api/rtp_parameters.h"
#include "api/rtp_transceiver_interface.h"
#include "media/base/codec.h"
#include "media/base/media_constants.h"
#include "media/base/stream_params.h"
#include "p2p/base/p2p_constants.h"
#include "p2p/base/port.h"
#include "p2p/base/transport_description.h"
#include "p2p/base/transport_info.h"
#include "pc/media_session.h"
#include "pc/session_description.h"
#include "rtc_base/checks.h"
#include "rtc_base/message_digest.h"
#include "rtc_base/socket_address.h"
#include "rtc_base/ssl_fingerprint.h"
#include "rtc_base/string_encode.h"
#include "test/gmock.h"
#include "test/gtest.h"
#ifdef WEBRTC_ANDROID
#include "pc/test/android_test_initializer.h"
#endif
#include "pc/webrtc_sdp.h"
using cricket::AudioCodec;
using cricket::AudioContentDescription;
using cricket::Candidate;
using cricket::ContentGroup;
using cricket::ContentInfo;
using cricket::CryptoParams;
using cricket::DataCodec;
using cricket::ICE_CANDIDATE_COMPONENT_RTCP;
using cricket::ICE_CANDIDATE_COMPONENT_RTP;
using cricket::kFecSsrcGroupSemantics;
using cricket::LOCAL_PORT_TYPE;
using cricket::MediaProtocolType;
using cricket::RELAY_PORT_TYPE;
using cricket::RidDescription;
using cricket::RidDirection;
using cricket::RtpDataContentDescription;
using cricket::SctpDataContentDescription;
using cricket::SessionDescription;
using cricket::SimulcastDescription;
using cricket::SimulcastLayer;
using cricket::StreamParams;
using cricket::STUN_PORT_TYPE;
using cricket::TransportDescription;
using cricket::TransportInfo;
using cricket::VideoCodec;
using cricket::VideoContentDescription;
using ::testing::ElementsAre;
using ::testing::Field;
using webrtc::IceCandidateCollection;
using webrtc::IceCandidateInterface;
using webrtc::JsepIceCandidate;
using webrtc::JsepSessionDescription;
using webrtc::RtpExtension;
using webrtc::RtpTransceiverDirection;
using webrtc::SdpParseError;
using webrtc::SdpType;
using webrtc::SessionDescriptionInterface;
typedef std::vector<AudioCodec> AudioCodecs;
typedef std::vector<Candidate> Candidates;
static const uint32_t kDefaultSctpPort = 5000;
static const uint16_t kUnusualSctpPort = 9556;
static const char kSessionTime[] = "t=0 0\r\n";
static const uint32_t kCandidatePriority = 2130706432U; // pref = 1.0
static const char kAttributeIceUfragVoice[] = "a=ice-ufrag:ufrag_voice\r\n";
static const char kAttributeIcePwdVoice[] = "a=ice-pwd:pwd_voice\r\n";
static const char kAttributeIceUfragVideo[] = "a=ice-ufrag:ufrag_video\r\n";
static const char kAttributeIcePwdVideo[] = "a=ice-pwd:pwd_video\r\n";
static const uint32_t kCandidateGeneration = 2;
static const char kCandidateFoundation1[] = "a0+B/1";
static const char kCandidateFoundation2[] = "a0+B/2";
static const char kCandidateFoundation3[] = "a0+B/3";
static const char kCandidateFoundation4[] = "a0+B/4";
static const char kAttributeCryptoVoice[] =
"a=crypto:1 AES_CM_128_HMAC_SHA1_32 "
"inline:NzB4d1BINUAvLEw6UzF3WSJ+PSdFcGdUJShpX1Zj|2^20|1:32 "
"dummy_session_params\r\n";
static const char kAttributeCryptoVideo[] =
"a=crypto:1 AES_CM_128_HMAC_SHA1_80 "
"inline:d0RmdmcmVCspeEc3QGZiNWpVLFJhQX1cfHAwJSoj|2^20|1:32\r\n";
static const char kFingerprint[] =
"a=fingerprint:sha-1 "
"4A:AD:B9:B1:3F:82:18:3B:54:02:12:DF:3E:5D:49:6B:19:E5:7C:AB\r\n";
static const char kExtmapAllowMixed[] = "a=extmap-allow-mixed\r\n";
static const int kExtmapId = 1;
static const char kExtmapUri[] = "http://example.com/082005/ext.htm#ttime";
static const char kExtmap[] =
"a=extmap:1 http://example.com/082005/ext.htm#ttime\r\n";
static const char kExtmapWithDirectionAndAttribute[] =
"a=extmap:1/sendrecv http://example.com/082005/ext.htm#ttime a1 a2\r\n";
static const char kExtmapWithDirectionAndAttributeEncrypted[] =
"a=extmap:1/sendrecv urn:ietf:params:rtp-hdrext:encrypt "
"http://example.com/082005/ext.htm#ttime a1 a2\r\n";
static const uint8_t kIdentityDigest[] = {
0x4A, 0xAD, 0xB9, 0xB1, 0x3F, 0x82, 0x18, 0x3B, 0x54, 0x02,
0x12, 0xDF, 0x3E, 0x5D, 0x49, 0x6B, 0x19, 0xE5, 0x7C, 0xAB};
static const char kDtlsSctp[] = "DTLS/SCTP";
static const char kUdpDtlsSctp[] = "UDP/DTLS/SCTP";
static const char kTcpDtlsSctp[] = "TCP/DTLS/SCTP";
struct CodecParams {
int max_ptime;
int ptime;
int min_ptime;
int sprop_stereo;
int stereo;
int useinband;
int maxaveragebitrate;
};
// TODO(deadbeef): In these reference strings, use "a=fingerprint" by default
// instead of "a=crypto", and have an explicit test for adding "a=crypto".
// Currently it's the other way around.
// Reference sdp string
static const char kSdpFullString[] =
"v=0\r\n"
"o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
"s=-\r\n"
"t=0 0\r\n"
"a=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";
// draft-ietf-mmusic-sctp-sdp-03
static const char kSdpSctpDataChannelString[] =
"m=application 9 UDP/DTLS/SCTP 5000\r\n"
"c=IN IP4 0.0.0.0\r\n"
"a=ice-ufrag:ufrag_data\r\n"
"a=ice-pwd:pwd_data\r\n"
"a=mid:data_content_name\r\n"
"a=sctpmap:5000 webrtc-datachannel 1024\r\n";
// draft-ietf-mmusic-sctp-sdp-12
// Note - this is invalid per draft-ietf-mmusic-sctp-sdp-26,
// since the separator after "sctp-port" needs to be a colon.
static const char kSdpSctpDataChannelStringWithSctpPort[] =
"m=application 9 UDP/DTLS/SCTP webrtc-datachannel\r\n"
"a=sctp-port 5000\r\n"
"c=IN IP4 0.0.0.0\r\n"
"a=ice-ufrag:ufrag_data\r\n"
"a=ice-pwd:pwd_data\r\n"
"a=mid:data_content_name\r\n";
// draft-ietf-mmusic-sctp-sdp-26
static const char kSdpSctpDataChannelStringWithSctpColonPort[] =
"m=application 9 UDP/DTLS/SCTP webrtc-datachannel\r\n"
"a=sctp-port:5000\r\n"
"c=IN IP4 0.0.0.0\r\n"
"a=ice-ufrag:ufrag_data\r\n"
"a=ice-pwd:pwd_data\r\n"
"a=mid:data_content_name\r\n";
static const char kSdpSctpDataChannelWithCandidatesString[] =
"m=application 2345 UDP/DTLS/SCTP 5000\r\n"
"c=IN IP4 74.125.127.126\r\n"
"a=candidate:a0+B/1 1 udp 2130706432 192.168.1.5 1234 typ host "
"generation 2\r\n"
"a=candidate:a0+B/2 1 udp 2130706432 ::1 1238 typ host "
"generation 2\r\n"
"a=candidate:a0+B/3 1 udp 2130706432 74.125.127.126 2345 typ srflx "
"raddr 192.168.1.5 rport 2346 "
"generation 2\r\n"
"a=ice-ufrag:ufrag_data\r\n"
"a=ice-pwd:pwd_data\r\n"
"a=mid:data_content_name\r\n"
"a=sctpmap:5000 webrtc-datachannel 1024\r\n";
static const char kSdpConferenceString[] =
"v=0\r\n"
"o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
"s=-\r\n"
"t=0 0\r\n"
"a=msid-semantic: WMS\r\n"
"m=audio 9 RTP/SAVPF 111 103 104\r\n"
"c=IN IP4 0.0.0.0\r\n"
"a=x-google-flag:conference\r\n"
"m=video 9 RTP/SAVPF 120\r\n"
"c=IN IP4 0.0.0.0\r\n"
"a=x-google-flag:conference\r\n";
static const char kSdpSessionString[] =
"v=0\r\n"
"o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
"s=-\r\n"
"t=0 0\r\n"
"a=msid-semantic: WMS local_stream\r\n";
static const char kSdpAudioString[] =
"m=audio 9 RTP/SAVPF 111\r\n"
"c=IN IP4 0.0.0.0\r\n"
"a=rtcp:9 IN IP4 0.0.0.0\r\n"
"a=ice-ufrag:ufrag_voice\r\na=ice-pwd:pwd_voice\r\n"
"a=mid:audio_content_name\r\n"
"a=sendrecv\r\n"
"a=rtpmap:111 opus/48000/2\r\n"
"a=ssrc:1 cname:stream_1_cname\r\n"
"a=ssrc:1 msid:local_stream audio_track_id_1\r\n"
"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";
// Reference sdp string using bundle-only.
static const char kBundleOnlySdpFullString[] =
"v=0\r\n"
"o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
"s=-\r\n"
"t=0 0\r\n"
"a=group:BUNDLE audio_content_name video_content_name\r\n"
"a=msid-semantic: WMS local_stream_1\r\n"
"m=audio 2345 RTP/SAVPF 111 103 104\r\n"
"c=IN IP4 74.125.127.126\r\n"
"a=rtcp:2347 IN IP4 74.125.127.126\r\n"
"a=candidate:a0+B/1 1 udp 2130706432 192.168.1.5 1234 typ host "
"generation 2\r\n"
"a=candidate:a0+B/1 2 udp 2130706432 192.168.1.5 1235 typ host "
"generation 2\r\n"
"a=candidate:a0+B/2 1 udp 2130706432 ::1 1238 typ host "
"generation 2\r\n"
"a=candidate:a0+B/2 2 udp 2130706432 ::1 1239 typ host "
"generation 2\r\n"
"a=candidate:a0+B/3 1 udp 2130706432 74.125.127.126 2345 typ srflx "
"raddr 192.168.1.5 rport 2346 "
"generation 2\r\n"
"a=candidate:a0+B/3 2 udp 2130706432 74.125.127.126 2347 typ srflx "
"raddr 192.168.1.5 rport 2348 "
"generation 2\r\n"
"a=ice-ufrag:ufrag_voice\r\na=ice-pwd:pwd_voice\r\n"
"a=mid:audio_content_name\r\n"
"a=sendrecv\r\n"
"a=rtcp-mux\r\n"
"a=rtcp-rsize\r\n"
"a=crypto:1 AES_CM_128_HMAC_SHA1_32 "
"inline:NzB4d1BINUAvLEw6UzF3WSJ+PSdFcGdUJShpX1Zj|2^20|1:32 "
"dummy_session_params\r\n"
"a=rtpmap:111 opus/48000/2\r\n"
"a=rtpmap:103 ISAC/16000\r\n"
"a=rtpmap:104 ISAC/32000\r\n"
"a=ssrc:1 cname:stream_1_cname\r\n"
"a=ssrc:1 msid:local_stream_1 audio_track_id_1\r\n"
"a=ssrc:1 mslabel:local_stream_1\r\n"
"a=ssrc:1 label:audio_track_id_1\r\n"
"m=video 0 RTP/SAVPF 120\r\n"
"c=IN IP4 0.0.0.0\r\n"
"a=rtcp:9 IN IP4 0.0.0.0\r\n"
"a=bundle-only\r\n"
"a=mid:video_content_name\r\n"
"a=sendrecv\r\n"
"a=crypto:1 AES_CM_128_HMAC_SHA1_80 "
"inline:d0RmdmcmVCspeEc3QGZiNWpVLFJhQX1cfHAwJSoj|2^20|1:32\r\n"
"a=rtpmap:120 VP8/90000\r\n"
"a=ssrc-group:FEC 2 3\r\n"
"a=ssrc:2 cname:stream_1_cname\r\n"
"a=ssrc:2 msid:local_stream_1 video_track_id_1\r\n"
"a=ssrc: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";
// 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";
// 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";
// Unified Plan SDP reference string:
// - audio track 1 has 1 a=msid lines
// - audio track 2 has 2 a=msid lines
// - audio track 3 has 1 a=msid line with the special "-" marker signifying that
// there are 0 media stream ids.
// This Unified Plan SDP represents a SDP that signals the msid using both
// a=msid and a=ssrc msid semantics.
static const char kUnifiedPlanSdpFullStringWithSpecialMsid[] =
"v=0\r\n"
"o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
"s=-\r\n"
"t=0 0\r\n"
"a=msid-semantic: WMS local_stream_1\r\n"
// Audio track 1, with 1 stream id.
"m=audio 2345 RTP/SAVPF 111 103 104\r\n"
"c=IN IP4 74.125.127.126\r\n"
"a=rtcp:2347 IN IP4 74.125.127.126\r\n"
"a=candidate:a0+B/1 1 udp 2130706432 192.168.1.5 1234 typ host "
"generation 2\r\n"
"a=candidate:a0+B/1 2 udp 2130706432 192.168.1.5 1235 typ host "
"generation 2\r\n"
"a=candidate:a0+B/2 1 udp 2130706432 ::1 1238 typ host "
"generation 2\r\n"
"a=candidate:a0+B/2 2 udp 2130706432 ::1 1239 typ host "
"generation 2\r\n"
"a=candidate:a0+B/3 1 udp 2130706432 74.125.127.126 2345 typ srflx "
"raddr 192.168.1.5 rport 2346 "
"generation 2\r\n"
"a=candidate:a0+B/3 2 udp 2130706432 74.125.127.126 2347 typ srflx "
"raddr 192.168.1.5 rport 2348 "
"generation 2\r\n"
"a=ice-ufrag:ufrag_voice\r\na=ice-pwd:pwd_voice\r\n"
"a=mid:audio_content_name\r\n"
"a=sendrecv\r\n"
"a=msid:local_stream_1 audio_track_id_1\r\n"
"a=rtcp-mux\r\n"
"a=rtcp-rsize\r\n"
"a=crypto:1 AES_CM_128_HMAC_SHA1_32 "
"inline:NzB4d1BINUAvLEw6UzF3WSJ+PSdFcGdUJShpX1Zj|2^20|1:32 "
"dummy_session_params\r\n"
"a=rtpmap:111 opus/48000/2\r\n"
"a=rtpmap:103 ISAC/16000\r\n"
"a=rtpmap:104 ISAC/32000\r\n"
"a=ssrc:1 cname:stream_1_cname\r\n"
"a=ssrc:1 msid:local_stream_1 audio_track_id_1\r\n"
"a=ssrc:1 mslabel:local_stream_1\r\n"
"a=ssrc:1 label:audio_track_id_1\r\n"
// Audio track 2, with two stream ids.
"m=audio 9 RTP/SAVPF 111 103 104\r\n"
"c=IN IP4 0.0.0.0\r\n"
"a=rtcp:9 IN IP4 0.0.0.0\r\n"
"a=ice-ufrag:ufrag_voice_2\r\na=ice-pwd:pwd_voice_2\r\n"
"a=mid:audio_content_name_2\r\n"
"a=sendrecv\r\n"
"a=msid:local_stream_1 audio_track_id_2\r\n"
"a=msid:local_stream_2 audio_track_id_2\r\n"
"a=rtcp-mux\r\n"
"a=rtcp-rsize\r\n"
"a=crypto:1 AES_CM_128_HMAC_SHA1_32 "
"inline:NzB4d1BINUAvLEw6UzF3WSJ+PSdFcGdUJShpX1Zj|2^20|1:32 "
"dummy_session_params\r\n"
"a=rtpmap:111 opus/48000/2\r\n"
"a=rtpmap:103 ISAC/16000\r\n"
"a=rtpmap:104 ISAC/32000\r\n"
"a=ssrc:4 cname:stream_1_cname\r\n"
// The support for Plan B msid signaling only includes the
// first media stream id "local_stream_1."
"a=ssrc:4 msid:local_stream_1 audio_track_id_2\r\n"
"a=ssrc:4 mslabel:local_stream_1\r\n"
"a=ssrc:4 label:audio_track_id_2\r\n"
// Audio track 3, with no stream ids.
"m=audio 9 RTP/SAVPF 111 103 104\r\n"
"c=IN IP4 0.0.0.0\r\n"
"a=rtcp:9 IN IP4 0.0.0.0\r\n"
"a=ice-ufrag:ufrag_voice_3\r\na=ice-pwd:pwd_voice_3\r\n"
"a=mid:audio_content_name_3\r\n"
"a=sendrecv\r\n"
"a=msid:- audio_track_id_3\r\n"
"a=rtcp-mux\r\n"
"a=rtcp-rsize\r\n"
"a=crypto:1 AES_CM_128_HMAC_SHA1_32 "
"inline:NzB4d1BINUAvLEw6UzF3WSJ+PSdFcGdUJShpX1Zj|2^20|1:32 "
"dummy_session_params\r\n"
"a=rtpmap:111 opus/48000/2\r\n"
"a=rtpmap:103 ISAC/16000\r\n"
"a=rtpmap:104 ISAC/32000\r\n"
"a=ssrc:7 cname:stream_2_cname\r\n"
"a=ssrc:7 msid:- audio_track_id_3\r\n"
"a=ssrc:7 mslabel:-\r\n"
"a=ssrc:7 label:audio_track_id_3\r\n";
// SDP string for unified plan without SSRCs
static const char kUnifiedPlanSdpFullStringNoSsrc[] =
"v=0\r\n"
"o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
"s=-\r\n"
"t=0 0\r\n"
"a=msid-semantic: WMS local_stream_1\r\n"
// Audio track 1, stream 1 (with candidates).
"m=audio 2345 RTP/SAVPF 111 103 104\r\n"
"c=IN IP4 74.125.127.126\r\n"
"a=rtcp:2347 IN IP4 74.125.127.126\r\n"
"a=candidate:a0+B/1 1 udp 2130706432 192.168.1.5 1234 typ host "
"generation 2\r\n"
"a=candidate:a0+B/1 2 udp 2130706432 192.168.1.5 1235 typ host "
"generation 2\r\n"
"a=candidate:a0+B/2 1 udp 2130706432 ::1 1238 typ host "
"generation 2\r\n"
"a=candidate:a0+B/2 2 udp 2130706432 ::1 1239 typ host "
"generation 2\r\n"
"a=candidate:a0+B/3 1 udp 2130706432 74.125.127.126 2345 typ srflx "
"raddr 192.168.1.5 rport 2346 "
"generation 2\r\n"
"a=candidate:a0+B/3 2 udp 2130706432 74.125.127.126 2347 typ srflx "
"raddr 192.168.1.5 rport 2348 "
"generation 2\r\n"
"a=ice-ufrag:ufrag_voice\r\na=ice-pwd:pwd_voice\r\n"
"a=mid:audio_content_name\r\n"
"a=msid:local_stream_1 audio_track_id_1\r\n"
"a=sendrecv\r\n"
"a=rtcp-mux\r\n"
"a=rtcp-rsize\r\n"
"a=crypto:1 AES_CM_128_HMAC_SHA1_32 "
"inline:NzB4d1BINUAvLEw6UzF3WSJ+PSdFcGdUJShpX1Zj|2^20|1:32 "
"dummy_session_params\r\n"
"a=rtpmap:111 opus/48000/2\r\n"
"a=rtpmap:103 ISAC/16000\r\n"
"a=rtpmap:104 ISAC/32000\r\n"
// Video track 1, stream 1 (with candidates).
"m=video 3457 RTP/SAVPF 120\r\n"
"c=IN IP4 74.125.224.39\r\n"
"a=rtcp:3456 IN IP4 74.125.224.39\r\n"
"a=candidate:a0+B/1 2 udp 2130706432 192.168.1.5 1236 typ host "
"generation 2\r\n"
"a=candidate:a0+B/1 1 udp 2130706432 192.168.1.5 1237 typ host "
"generation 2\r\n"
"a=candidate:a0+B/2 2 udp 2130706432 ::1 1240 typ host "
"generation 2\r\n"
"a=candidate:a0+B/2 1 udp 2130706432 ::1 1241 typ host "
"generation 2\r\n"
"a=candidate:a0+B/4 2 udp 2130706432 74.125.224.39 3456 typ relay "
"generation 2\r\n"
"a=candidate:a0+B/4 1 udp 2130706432 74.125.224.39 3457 typ relay "
"generation 2\r\n"
"a=ice-ufrag:ufrag_video\r\na=ice-pwd:pwd_video\r\n"
"a=mid:video_content_name\r\n"
"a=msid:local_stream_1 video_track_id_1\r\n"
"a=sendrecv\r\n"
"a=crypto:1 AES_CM_128_HMAC_SHA1_80 "
"inline:d0RmdmcmVCspeEc3QGZiNWpVLFJhQX1cfHAwJSoj|2^20|1:32\r\n"
"a=rtpmap:120 VP8/90000\r\n"
// Audio track 2, stream 2.
"m=audio 9 RTP/SAVPF 111 103 104\r\n"
"c=IN IP4 0.0.0.0\r\n"
"a=rtcp:9 IN IP4 0.0.0.0\r\n"
"a=ice-ufrag:ufrag_voice_2\r\na=ice-pwd:pwd_voice_2\r\n"
"a=mid:audio_content_name_2\r\n"
"a=msid:local_stream_2 audio_track_id_2\r\n"
"a=sendrecv\r\n"
"a=rtcp-mux\r\n"
"a=rtcp-rsize\r\n"
"a=crypto:1 AES_CM_128_HMAC_SHA1_32 "
"inline:NzB4d1BINUAvLEw6UzF3WSJ+PSdFcGdUJShpX1Zj|2^20|1:32 "
"dummy_session_params\r\n"
"a=rtpmap:111 opus/48000/2\r\n"
"a=rtpmap:103 ISAC/16000\r\n"
"a=rtpmap:104 ISAC/32000\r\n"
// Video track 2, stream 2.
"m=video 9 RTP/SAVPF 120\r\n"
"c=IN IP4 0.0.0.0\r\n"
"a=rtcp:9 IN IP4 0.0.0.0\r\n"
"a=ice-ufrag:ufrag_video_2\r\na=ice-pwd:pwd_video_2\r\n"
"a=mid:video_content_name_2\r\n"
"a=msid:local_stream_2 video_track_id_2\r\n"
"a=sendrecv\r\n"
"a=crypto:1 AES_CM_128_HMAC_SHA1_80 "
"inline:d0RmdmcmVCspeEc3QGZiNWpVLFJhQX1cfHAwJSoj|2^20|1:32\r\n"
"a=rtpmap:120 VP8/90000\r\n"
// Video track 3, stream 2.
"m=video 9 RTP/SAVPF 120\r\n"
"c=IN IP4 0.0.0.0\r\n"
"a=rtcp:9 IN IP4 0.0.0.0\r\n"
"a=ice-ufrag:ufrag_video_3\r\na=ice-pwd:pwd_video_3\r\n"
"a=mid:video_content_name_3\r\n"
"a=msid:local_stream_2 video_track_id_3\r\n"
"a=sendrecv\r\n"
"a=crypto:1 AES_CM_128_HMAC_SHA1_80 "
"inline:d0RmdmcmVCspeEc3QGZiNWpVLFJhQX1cfHAwJSoj|2^20|1:32\r\n"
"a=rtpmap:120 VP8/90000\r\n";
// One candidate reference string as per W3c spec.
// candidate:<blah> not a=candidate:<blah>CRLF
static const char kRawCandidate[] =
"candidate:a0+B/1 1 udp 2130706432 192.168.1.5 1234 typ host generation 2";
// One candidate reference string.
static const char kSdpOneCandidate[] =
"a=candidate:a0+B/1 1 udp 2130706432 192.168.1.5 1234 typ host "
"generation 2\r\n";
static const char kSdpTcpActiveCandidate[] =
"candidate:a0+B/1 1 tcp 2130706432 192.168.1.5 9 typ host "
"tcptype active generation 2";
static const char kSdpTcpPassiveCandidate[] =
"candidate:a0+B/1 1 tcp 2130706432 192.168.1.5 9 typ host "
"tcptype passive generation 2";
static const char kSdpTcpSOCandidate[] =
"candidate:a0+B/1 1 tcp 2130706432 192.168.1.5 9 typ host "
"tcptype so generation 2";
static const char kSdpTcpInvalidCandidate[] =
"candidate:a0+B/1 1 tcp 2130706432 192.168.1.5 9 typ host "
"tcptype invalid generation 2";
// One candidate reference string with IPV6 address.
static const char kRawIPV6Candidate[] =
"candidate:a0+B/1 1 udp 2130706432 "
"abcd:abcd:abcd:abcd:abcd:abcd:abcd:abcd 1234 typ host generation 2";
// One candidate reference string.
static const char kSdpOneCandidateWithUfragPwd[] =
"a=candidate:a0+B/1 1 udp 2130706432 192.168.1.5 1234 typ host network_name"
" eth0 ufrag user_rtp pwd password_rtp generation 2\r\n";
static const char kRawHostnameCandidate[] =
"candidate:a0+B/1 1 udp 2130706432 a.test 1234 typ host generation 2";
// Session id and version
static const char kSessionId[] = "18446744069414584320";
static const char kSessionVersion[] = "18446462598732840960";
// ICE options.
static const char kIceOption1[] = "iceoption1";
static const char kIceOption2[] = "iceoption2";
static const char kIceOption3[] = "iceoption3";
// ICE ufrags/passwords.
static const char kUfragVoice[] = "ufrag_voice";
static const char kPwdVoice[] = "pwd_voice";
static const char kUfragVideo[] = "ufrag_video";
static const char kPwdVideo[] = "pwd_video";
static const char kUfragData[] = "ufrag_data";
static const char kPwdData[] = "pwd_data";
// Extra ufrags/passwords for extra unified plan m= sections.
static const char kUfragVoice2[] = "ufrag_voice_2";
static const char kPwdVoice2[] = "pwd_voice_2";
static const char kUfragVoice3[] = "ufrag_voice_3";
static const char kPwdVoice3[] = "pwd_voice_3";
static const char kUfragVideo2[] = "ufrag_video_2";
static const char kPwdVideo2[] = "pwd_video_2";
static const char kUfragVideo3[] = "ufrag_video_3";
static const char kPwdVideo3[] = "pwd_video_3";
// Content name
static const char kAudioContentName[] = "audio_content_name";
static const char kVideoContentName[] = "video_content_name";
static const char kDataContentName[] = "data_content_name";
// Extra content names for extra unified plan m= sections.
static const char kAudioContentName2[] = "audio_content_name_2";
static const char kAudioContentName3[] = "audio_content_name_3";
static const char kVideoContentName2[] = "video_content_name_2";
static const char kVideoContentName3[] = "video_content_name_3";
// MediaStream 1
static const char kStreamId1[] = "local_stream_1";
static const char kStream1Cname[] = "stream_1_cname";
static const char kAudioTrackId1[] = "audio_track_id_1";
static const uint32_t kAudioTrack1Ssrc = 1;
static const char kVideoTrackId1[] = "video_track_id_1";
static const uint32_t kVideoTrack1Ssrc1 = 2;
static const uint32_t kVideoTrack1Ssrc2 = 3;
// MediaStream 2
static const char kStreamId2[] = "local_stream_2";
static const char kStream2Cname[] = "stream_2_cname";
static const char kAudioTrackId2[] = "audio_track_id_2";
static const uint32_t kAudioTrack2Ssrc = 4;
static const char kVideoTrackId2[] = "video_track_id_2";
static const uint32_t kVideoTrack2Ssrc = 5;
static const char kVideoTrackId3[] = "video_track_id_3";
static const uint32_t kVideoTrack3Ssrc = 6;
static const char kAudioTrackId3[] = "audio_track_id_3";
static const uint32_t kAudioTrack3Ssrc = 7;
// 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 SdpType kDummyType = SdpType::kOffer;
// Helper functions
static bool SdpDeserialize(const std::string& message,
JsepSessionDescription* jdesc) {
return webrtc::SdpDeserialize(message, jdesc, NULL);
}
static bool SdpDeserializeCandidate(const std::string& message,
JsepIceCandidate* candidate) {
return webrtc::SdpDeserializeCandidate(message, candidate, NULL);
}
// Add some extra |newlines| to the |message| after |line|.
static void InjectAfter(const std::string& line,
const std::string& newlines,
std::string* message) {
absl::StrReplaceAll({{line, line + newlines}}, message);
}
static void Replace(const std::string& line,
const std::string& newlines,
std::string* message) {
absl::StrReplaceAll({{line, newlines}}, message);
}
// Expect 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(kDummyType);
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(RtpTransceiverDirection direction,
std::string* message) {
std::string new_direction;
switch (direction) {
case RtpTransceiverDirection::kInactive:
new_direction = "a=inactive";
break;
case RtpTransceiverDirection::kSendOnly:
new_direction = "a=sendonly";
break;
case RtpTransceiverDirection::kRecvOnly:
new_direction = "a=recvonly";
break;
case RtpTransceiverDirection::kSendRecv:
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_(kDummyType) {
#ifdef WEBRTC_ANDROID
webrtc::InitializeAndroidObjects();
#endif
// AudioContentDescription
audio_desc_ = CreateAudioContentDescription();
StreamParams audio_stream;
audio_stream.id = kAudioTrackId1;
audio_stream.cname = kStream1Cname;
audio_stream.set_stream_ids({kStreamId1});
audio_stream.ssrcs.push_back(kAudioTrack1Ssrc);
audio_desc_->AddStream(audio_stream);
rtc::SocketAddress audio_addr("74.125.127.126", 2345);
audio_desc_->set_connection_address(audio_addr);
desc_.AddContent(kAudioContentName, MediaProtocolType::kRtp, audio_desc_);
// VideoContentDescription
video_desc_ = CreateVideoContentDescription();
StreamParams video_stream;
video_stream.id = kVideoTrackId1;
video_stream.cname = kStream1Cname;
video_stream.set_stream_ids({kStreamId1});
video_stream.ssrcs.push_back(kVideoTrack1Ssrc1);
video_stream.ssrcs.push_back(kVideoTrack1Ssrc2);
cricket::SsrcGroup ssrc_group(kFecSsrcGroupSemantics, video_stream.ssrcs);
video_stream.ssrc_groups.push_back(ssrc_group);
video_desc_->AddStream(video_stream);
rtc::SocketAddress video_addr("74.125.224.39", 3457);
video_desc_->set_connection_address(video_addr);
desc_.AddContent(kVideoContentName, MediaProtocolType::kRtp, video_desc_);
// TransportInfo
desc_.AddTransportInfo(TransportInfo(
kAudioContentName, TransportDescription(kUfragVoice, kPwdVoice)));
desc_.AddTransportInfo(TransportInfo(
kVideoContentName, TransportDescription(kUfragVideo, kPwdVideo)));
// v4 host
int port = 1234;
rtc::SocketAddress address("192.168.1.5", port++);
Candidate candidate1(ICE_CANDIDATE_COMPONENT_RTP, "udp", address,
kCandidatePriority, "", "", LOCAL_PORT_TYPE,
kCandidateGeneration, kCandidateFoundation1);
address.SetPort(port++);
Candidate candidate2(ICE_CANDIDATE_COMPONENT_RTCP, "udp", address,
kCandidatePriority, "", "", LOCAL_PORT_TYPE,
kCandidateGeneration, kCandidateFoundation1);
address.SetPort(port++);
Candidate candidate3(ICE_CANDIDATE_COMPONENT_RTCP, "udp", address,
kCandidatePriority, "", "", LOCAL_PORT_TYPE,
kCandidateGeneration, kCandidateFoundation1);
address.SetPort(port++);
Candidate candidate4(ICE_CANDIDATE_COMPONENT_RTP, "udp", address,
kCandidatePriority, "", "", LOCAL_PORT_TYPE,
kCandidateGeneration, kCandidateFoundation1);
// v6 host
rtc::SocketAddress v6_address("::1", port++);
cricket::Candidate candidate5(cricket::ICE_CANDIDATE_COMPONENT_RTP, "udp",
v6_address, kCandidatePriority, "", "",
cricket::LOCAL_PORT_TYPE,
kCandidateGeneration, kCandidateFoundation2);
v6_address.SetPort(port++);
cricket::Candidate candidate6(cricket::ICE_CANDIDATE_COMPONENT_RTCP, "udp",
v6_address, kCandidatePriority, "", "",
cricket::LOCAL_PORT_TYPE,
kCandidateGeneration, kCandidateFoundation2);
v6_address.SetPort(port++);
cricket::Candidate candidate7(cricket::ICE_CANDIDATE_COMPONENT_RTCP, "udp",
v6_address, kCandidatePriority, "", "",
cricket::LOCAL_PORT_TYPE,
kCandidateGeneration, kCandidateFoundation2);
v6_address.SetPort(port++);
cricket::Candidate candidate8(cricket::ICE_CANDIDATE_COMPONENT_RTP, "udp",
v6_address, kCandidatePriority, "", "",
cricket::LOCAL_PORT_TYPE,
kCandidateGeneration, kCandidateFoundation2);
// stun
int port_stun = 2345;
rtc::SocketAddress address_stun("74.125.127.126", port_stun++);
rtc::SocketAddress rel_address_stun("192.168.1.5", port_stun++);
cricket::Candidate candidate9(cricket::ICE_CANDIDATE_COMPONENT_RTP, "udp",
address_stun, kCandidatePriority, "", "",
STUN_PORT_TYPE, kCandidateGeneration,
kCandidateFoundation3);
candidate9.set_related_address(rel_address_stun);
address_stun.SetPort(port_stun++);
rel_address_stun.SetPort(port_stun++);
cricket::Candidate candidate10(cricket::ICE_CANDIDATE_COMPONENT_RTCP, "udp",
address_stun, kCandidatePriority, "", "",
STUN_PORT_TYPE, kCandidateGeneration,
kCandidateFoundation3);
candidate10.set_related_address(rel_address_stun);
// relay
int port_relay = 3456;
rtc::SocketAddress address_relay("74.125.224.39", port_relay++);
cricket::Candidate candidate11(cricket::ICE_CANDIDATE_COMPONENT_RTCP, "udp",
address_relay, kCandidatePriority, "", "",
cricket::RELAY_PORT_TYPE,
kCandidateGeneration, kCandidateFoundation4);
address_relay.SetPort(port_relay++);
cricket::Candidate candidate12(cricket::ICE_CANDIDATE_COMPONENT_RTP, "udp",
address_relay, kCandidatePriority, "", "",
RELAY_PORT_TYPE, kCandidateGeneration,
kCandidateFoundation4);
// voice
candidates_.push_back(candidate1);
candidates_.push_back(candidate2);
candidates_.push_back(candidate5);
candidates_.push_back(candidate6);
candidates_.push_back(candidate9);
candidates_.push_back(candidate10);
// video
candidates_.push_back(candidate3);
candidates_.push_back(candidate4);
candidates_.push_back(candidate7);
candidates_.push_back(candidate8);
candidates_.push_back(candidate11);
candidates_.push_back(candidate12);
jcandidate_.reset(
new JsepIceCandidate(std::string("audio_content_name"), 0, candidate1));
// Set up JsepSessionDescription.
jdesc_.Initialize(desc_.Clone(), kSessionId, kSessionVersion);
std::string mline_id;
int mline_index = 0;
for (size_t i = 0; i < candidates_.size(); ++i) {
// In this test, the audio m line index will be 0, and the video m line
// will be 1.
bool is_video = (i > 5);
mline_id = is_video ? "video_content_name" : "audio_content_name";
mline_index = is_video ? 1 : 0;
JsepIceCandidate jice(mline_id, mline_index, candidates_.at(i));
jdesc_.AddCandidate(&jice);
}
}
void RemoveVideoCandidates() {
const IceCandidateCollection* video_candidates_collection =
jdesc_.candidates(1);
ASSERT_NE(nullptr, video_candidates_collection);
std::vector<cricket::Candidate> video_candidates;
for (size_t i = 0; i < video_candidates_collection->count(); ++i) {
cricket::Candidate c = video_candidates_collection->at(i)->candidate();
c.set_transport_name("video_content_name");
video_candidates.push_back(c);
}
jdesc_.RemoveCandidates(video_candidates);
}
// Turns the existing reference description into a description using
// a=bundle-only. This means no transport attributes and a 0 port value on
// the m= sections not associated with the BUNDLE-tag.
void MakeBundleOnlyDescription() {
RemoveVideoCandidates();
// And the rest of the transport attributes.
desc_.transport_infos()[1].description.ice_ufrag.clear();
desc_.transport_infos()[1].description.ice_pwd.clear();
desc_.transport_infos()[1].description.connection_role =
cricket::CONNECTIONROLE_NONE;
// Set bundle-only flag.
desc_.contents()[1].bundle_only = true;
// Add BUNDLE group.
ContentGroup group(cricket::GROUP_TYPE_BUNDLE);
group.AddContentName(kAudioContentName);
group.AddContentName(kVideoContentName);
desc_.AddGroup(group);
ASSERT_TRUE(jdesc_.Initialize(desc_.Clone(), jdesc_.session_id(),
jdesc_.session_version()));
}
// Turns the existing reference description into a plan B description,
// with 2 audio tracks and 3 video tracks.
void MakePlanBDescription() {
audio_desc_ = audio_desc_->Copy();
video_desc_ = video_desc_->Copy();
StreamParams audio_track_2;
audio_track_2.id = kAudioTrackId2;
audio_track_2.cname = kStream2Cname;
audio_track_2.set_stream_ids({kStreamId2});
audio_track_2.ssrcs.push_back(kAudioTrack2Ssrc);
audio_desc_->AddStream(audio_track_2);
StreamParams video_track_2;
video_track_2.id = kVideoTrackId2;
video_track_2.cname = kStream2Cname;
video_track_2.set_stream_ids({kStreamId2});
video_track_2.ssrcs.push_back(kVideoTrack2Ssrc);
video_desc_->AddStream(video_track_2);
StreamParams video_track_3;
video_track_3.id = kVideoTrackId3;
video_track_3.cname = kStream2Cname;
video_track_3.set_stream_ids({kStreamId2});
video_track_3.ssrcs.push_back(kVideoTrack3Ssrc);
video_desc_->AddStream(video_track_3);
desc_.RemoveContentByName(kAudioContentName);
desc_.RemoveContentByName(kVideoContentName);
desc_.AddContent(kAudioContentName, MediaProtocolType::kRtp, audio_desc_);
desc_.AddContent(kVideoContentName, MediaProtocolType::kRtp, video_desc_);
ASSERT_TRUE(jdesc_.Initialize(desc_.Clone(), jdesc_.session_id(),
jdesc_.session_version()));
}
// Turns the existing reference description into a unified plan description,
// with 2 audio tracks and 3 video tracks.
void MakeUnifiedPlanDescription(bool use_ssrcs = true) {
// Audio track 2.
AudioContentDescription* audio_desc_2 = CreateAudioContentDescription();
StreamParams audio_track_2;
audio_track_2.id = kAudioTrackId2;
audio_track_2.set_stream_ids({kStreamId2});
if (use_ssrcs) {
audio_track_2.cname = kStream2Cname;
audio_track_2.ssrcs.push_back(kAudioTrack2Ssrc);
}
audio_desc_2->AddStream(audio_track_2);
desc_.AddContent(kAudioContentName2, MediaProtocolType::kRtp, audio_desc_2);
desc_.AddTransportInfo(TransportInfo(
kAudioContentName2, TransportDescription(kUfragVoice2, kPwdVoice2)));
// Video track 2, in stream 2.
VideoContentDescription* video_desc_2 = CreateVideoContentDescription();
StreamParams video_track_2;
video_track_2.id = kVideoTrackId2;
video_track_2.set_stream_ids({kStreamId2});
if (use_ssrcs) {
video_track_2.cname = kStream2Cname;
video_track_2.ssrcs.push_back(kVideoTrack2Ssrc);
}
video_desc_2->AddStream(video_track_2);
desc_.AddContent(kVideoContentName2, MediaProtocolType::kRtp, video_desc_2);
desc_.AddTransportInfo(TransportInfo(
kVideoContentName2, TransportDescription(kUfragVideo2, kPwdVideo2)));
// Video track 3, in stream 2.
VideoContentDescription* video_desc_3 = CreateVideoContentDescription();
StreamParams video_track_3;
video_track_3.id = kVideoTrackId3;
video_track_3.set_stream_ids({kStreamId2});
if (use_ssrcs) {
video_track_3.cname = kStream2Cname;
video_track_3.ssrcs.push_back(kVideoTrack3Ssrc);
}
video_desc_3->AddStream(video_track_3);
desc_.AddContent(kVideoContentName3, MediaProtocolType::kRtp, video_desc_3);
desc_.AddTransportInfo(TransportInfo(
kVideoContentName3, TransportDescription(kUfragVideo3, kPwdVideo3)));
desc_.set_msid_signaling(cricket::kMsidSignalingMediaSection);
ASSERT_TRUE(jdesc_.Initialize(desc_.Clone(), jdesc_.session_id(),
jdesc_.session_version()));
}
// Creates an audio content description with no streams, and some default
// configuration.
AudioContentDescription* CreateAudioContentDescription() {
AudioContentDescription* audio = new AudioContentDescription();
audio->set_rtcp_mux(true);
audio->set_rtcp_reduced_size(true);
audio->AddCrypto(CryptoParams(
1, "AES_CM_128_HMAC_SHA1_32",
"inline:NzB4d1BINUAvLEw6UzF3WSJ+PSdFcGdUJShpX1Zj|2^20|1:32",
"dummy_session_params"));
audio->set_protocol(cricket::kMediaProtocolSavpf);
AudioCodec opus(111, "opus", 48000, 0, 2);
audio->AddCodec(opus);
audio->AddCodec(AudioCodec(103, "ISAC", 16000, 0, 1));
audio->AddCodec(AudioCodec(104, "ISAC", 32000, 0, 1));
return audio;
}
// Turns the existing reference description into a unified plan description,
// with 3 audio MediaContentDescriptions with special StreamParams that
// contain 0 or multiple stream ids: - audio track 1 has 1 media stream id -
// audio track 2 has 2 media stream ids - audio track 3 has 0 media stream ids
void MakeUnifiedPlanDescriptionMultipleStreamIds(const int msid_signaling) {
desc_.RemoveContentByName(kVideoContentName);
desc_.RemoveTransportInfoByName(kVideoContentName);
RemoveVideoCandidates();
// Audio track 2 has 2 media stream ids.
AudioContentDescription* audio_desc_2 = CreateAudioContentDescription();
StreamParams audio_track_2;
audio_track_2.id = kAudioTrackId2;
audio_track_2.cname = kStream1Cname;
audio_track_2.set_stream_ids({kStreamId1, kStreamId2});
audio_track_2.ssrcs.push_back(kAudioTrack2Ssrc);
audio_desc_2->AddStream(audio_track_2);
desc_.AddContent(kAudioContentName2, MediaProtocolType::kRtp, audio_desc_2);
desc_.AddTransportInfo(TransportInfo(
kAudioContentName2, TransportDescription(kUfragVoice2, kPwdVoice2)));
// Audio track 3 has no stream ids.
AudioContentDescription* audio_desc_3 = CreateAudioContentDescription();
StreamParams audio_track_3;
audio_track_3.id = kAudioTrackId3;
audio_track_3.cname = kStream2Cname;
audio_track_3.set_stream_ids({});
audio_track_3.ssrcs.push_back(kAudioTrack3Ssrc);
audio_desc_3->AddStream(audio_track_3);
desc_.AddContent(kAudioContentName3, MediaProtocolType::kRtp, audio_desc_3);
desc_.AddTransportInfo(TransportInfo(
kAudioContentName3, TransportDescription(kUfragVoice3, kPwdVoice3)));
desc_.set_msid_signaling(msid_signaling);
ASSERT_TRUE(jdesc_.Initialize(desc_.Clone(), jdesc_.session_id(),
jdesc_.session_version()));
}
// Turns the existing reference description into a unified plan description
// with one audio MediaContentDescription that contains one StreamParams with
// 0 ssrcs.
void MakeUnifiedPlanDescriptionNoSsrcSignaling() {
desc_.RemoveContentByName(kVideoContentName);
desc_.RemoveContentByName(kAudioContentName);
desc_.RemoveTransportInfoByName(kVideoContentName);
RemoveVideoCandidates();
AudioContentDescription* audio_desc = CreateAudioContentDescription();
StreamParams audio_track;
audio_track.id = kAudioTrackId1;
audio_track.set_stream_ids({kStreamId1});
audio_desc->AddStream(audio_track);
desc_.AddContent(kAudioContentName, MediaProtocolType::kRtp, audio_desc);
// Enable signaling a=msid lines.
desc_.set_msid_signaling(cricket::kMsidSignalingMediaSection);
ASSERT_TRUE(jdesc_.Initialize(desc_.Clone(), jdesc_.session_id(),
jdesc_.session_version()));
}
// Creates a video content description with no streams, and some default
// configuration.
VideoContentDescription* CreateVideoContentDescription() {
VideoContentDescription* video = new VideoContentDescription();
video->AddCrypto(CryptoParams(
1, "AES_CM_128_HMAC_SHA1_80",
"inline:d0RmdmcmVCspeEc3QGZiNWpVLFJhQX1cfHAwJSoj|2^20|1:32", ""));
video->set_protocol(cricket::kMediaProtocolSavpf);
video->AddCodec(
VideoCodec(120, JsepSessionDescription::kDefaultVideoCodecName));
return video;
}
template <class MCD>
void CompareMediaContentDescription(const MCD* cd1, const MCD* cd2) {
// type
EXPECT_EQ(cd1->type(), 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-allow-mixed
EXPECT_EQ(cd1->extmap_allow_mixed_enum(), cd2->extmap_allow_mixed_enum());
// extmap
ASSERT_EQ(cd1->rtp_header_extensions().size(),
cd2->rtp_header_extensions().size());
for (size_t i = 0; i < cd1->rtp_header_extensions().size(); ++i) {
const RtpExtension ext1 = cd1->rtp_header_extensions().at(i);
const RtpExtension ext2 = cd2->rtp_header_extensions().at(i);
EXPECT_EQ(ext1.uri, ext2.uri);
EXPECT_EQ(ext1.id, ext2.id);
EXPECT_EQ(ext1.encrypt, ext2.encrypt);
}
}
void CompareRidDescriptionIds(const std::vector<RidDescription>& rids,
const std::vector<std::string>& ids) {
// Order of elements does not matter, only equivalence of sets.
EXPECT_EQ(rids.size(), ids.size());
for (const std::string& id : ids) {
EXPECT_EQ(1l, absl::c_count_if(rids, [id](const RidDescription& rid) {
return rid.rid == id;
}));
}
}
void CompareSimulcastDescription(const SimulcastDescription& simulcast1,
const SimulcastDescription& simulcast2) {
EXPECT_EQ(simulcast1.send_layers().size(), simulcast2.send_layers().size());
EXPECT_EQ(simulcast1.receive_layers().size(),
simulcast2.receive_layers().size());
}
void CompareRtpDataContentDescription(const RtpDataContentDescription* dcd1,
const RtpDataContentDescription* dcd2) {
CompareMediaContentDescription<RtpDataContentDescription>(dcd1, dcd2);
}
void CompareSctpDataContentDescription(
const SctpDataContentDescription* dcd1,
const SctpDataContentDescription* dcd2) {
EXPECT_EQ(dcd1->use_sctpmap(), dcd2->use_sctpmap());
EXPECT_EQ(dcd1->port(), dcd2->port());
EXPECT_EQ(dcd1->max_message_size(), dcd2->max_message_size());
}
void CompareSessionDescription(const SessionDescription& desc1,
const SessionDescription& desc2) {
// Compare content descriptions.
if (desc1.contents().size() != desc2.contents().size()) {
ADD_FAILURE();
return;
}
for (size_t i = 0; i < desc1.contents().size(); ++i) {
const cricket::ContentInfo& c1 = desc1.contents().at(i);
const cricket::ContentInfo& c2 = desc2.contents().at(i);
// ContentInfo properties.
EXPECT_EQ(c1.name, c2.name);
EXPECT_EQ(c1.type, c2.type);
EXPECT_EQ(c1.rejected, c2.rejected);
EXPECT_EQ(c1.bundle_only, c2.bundle_only);
ASSERT_EQ(IsAudioContent(&c1), IsAudioContent(&c2));
if (IsAudioContent(&c1)) {
const AudioContentDescription* acd1 =
c1.media_description()->as_audio();
const AudioContentDescription* acd2 =
c2.media_description()->as_audio();
CompareMediaContentDescription<AudioContentDescription>(acd1, acd2);
}
ASSERT_EQ(IsVideoContent(&c1), IsVideoContent(&c2));
if (IsVideoContent(&c1)) {
const VideoContentDescription* vcd1 =
c1.media_description()->as_video();
const VideoContentDescription* vcd2 =
c2.media_description()->as_video();
CompareMediaContentDescription<VideoContentDescription>(vcd1, vcd2);
}
ASSERT_EQ(IsDataContent(&c1), IsDataContent(&c2));
if (c1.media_description()->as_sctp()) {
ASSERT_TRUE(c2.media_description()->as_sctp());
const SctpDataContentDescription* scd1 =
c1.media_description()->as_sctp();
const SctpDataContentDescription* scd2 =
c2.media_description()->as_sctp();
CompareSctpDataContentDescription(scd1, scd2);
} else {
if (IsDataContent(&c1)) {
const RtpDataContentDescription* dcd1 =
c1.media_description()->as_rtp_data();
const RtpDataContentDescription* dcd2 =
c2.media_description()->as_rtp_data();
CompareRtpDataContentDescription(dcd1, dcd2);
}
}
CompareSimulcastDescription(
c1.media_description()->simulcast_description(),
c2.media_description()->simulcast_description());
}
// group
const cricket::ContentGroups groups1 = desc1.groups();
const cricket::ContentGroups groups2 = desc2.groups();
EXPECT_EQ(groups1.size(), groups1.size());
if (groups1.size() != groups2.size()) {
ADD_FAILURE();
return;
}
for (size_t i = 0; i < groups1.size(); ++i) {
const cricket::ContentGroup group1 = groups1.at(i);
const cricket::ContentGroup group2 = groups2.at(i);
EXPECT_EQ(group1.semantics(), group2.semantics());
const cricket::ContentNames names1 = group1.content_names();
const cricket::ContentNames names2 = group2.content_names();
EXPECT_EQ(names1.size(), names2.size());
if (names1.size() != names2.size()) {
ADD_FAILURE();
return;
}
cricket::ContentNames::const_iterator iter1 = names1.begin();
cricket::ContentNames::const_iterator iter2 = names2.begin();
while (iter1 != names1.end()) {
EXPECT_EQ(*iter1++, *iter2++);
}
}
// transport info
const cricket::TransportInfos transports1 = desc1.transport_infos();
const cricket::TransportInfos transports2 = desc2.transport_infos();
EXPECT_EQ(transports1.size(), transports2.size());
if (transports1.size() != transports2.size()) {
ADD_FAILURE();
return;
}
for (size_t i = 0; i < transports1.size(); ++i) {
const cricket::TransportInfo transport1 = transports1.at(i);
const cricket::TransportInfo transport2 = transports2.at(i);
EXPECT_EQ(transport1.content_name, transport2.content_name);
EXPECT_EQ(transport1.description.ice_ufrag,
transport2.description.ice_ufrag);
EXPECT_EQ(transport1.description.ice_pwd, transport2.description.ice_pwd);
EXPECT_EQ(transport1.description.ice_mode,
transport2.description.ice_mode);
if (transport1.description.identity_fingerprint) {
EXPECT_EQ(*transport1.description.identity_fingerprint,
*transport2.description.identity_fingerprint);
} else {
EXPECT_EQ(transport1.description.identity_fingerprint.get(),
transport2.description.identity_fingerprint.get());
}
EXPECT_EQ(transport1.description.transport_options,
transport2.description.transport_options);
}
// global attributes
EXPECT_EQ(desc1.msid_supported(), desc2.msid_supported());
EXPECT_EQ(desc1.extmap_allow_mixed(), desc2.extmap_allow_mixed());
}
bool CompareSessionDescription(const JsepSessionDescription& desc1,
const JsepSessionDescription& desc2) {
EXPECT_EQ(desc1.session_id(), desc2.session_id());
EXPECT_EQ(desc1.session_version(), desc2.session_version());
CompareSessionDescription(*desc1.description(), *desc2.description());
if (desc1.number_of_mediasections() != desc2.number_of_mediasections())
return false;
for (size_t i = 0; i < desc1.number_of_mediasections(); ++i) {
const IceCandidateCollection* cc1 = desc1.candidates(i);
const IceCandidateCollection* cc2 = desc2.candidates(i);
if (cc1->count() != cc2->count()) {
ADD_FAILURE();
return false;
}
for (size_t j = 0; j < cc1->count(); ++j) {
const IceCandidateInterface* c1 = cc1->at(j);
const IceCandidateInterface* c2 = cc2->at(j);
EXPECT_EQ(c1->sdp_mid(), c2->sdp_mid());
EXPECT_EQ(c1->sdp_mline_index(), c2->sdp_mline_index());
EXPECT_TRUE(c1->candidate().IsEquivalent(c2->candidate()));
}
}
return true;
}
// Disable the ice-ufrag and ice-pwd in given |sdp| message by replacing
// them with invalid keywords so that the parser will just ignore them.
bool RemoveCandidateUfragPwd(std::string* sdp) {
absl::StrReplaceAll(
{{"a=ice-ufrag", "a=xice-ufrag"}, {"a=ice-pwd", "a=xice-pwd"}}, sdp);
return true;
}
// Update the candidates in |jdesc| to use the given |ufrag| and |pwd|.
bool UpdateCandidateUfragPwd(JsepSessionDescription* jdesc,
int mline_index,
const std::string& ufrag,
const std::string& pwd) {
std::string content_name;
if (mline_index == 0) {
content_name = kAudioContentName;
} else if (mline_index == 1) {
content_name = kVideoContentName;
} else {
RTC_NOTREACHED();
}
TransportInfo transport_info(content_name,
TransportDescription(ufrag, pwd));
SessionDescription* desc =
const_cast<SessionDescription*>(jdesc->description());
desc->RemoveTransportInfoByName(content_name);
desc->AddTransportInfo(transport_info);
for (size_t i = 0; i < jdesc_.number_of_mediasections(); ++i) {
const IceCandidateCollection* cc = jdesc_.candidates(i);
for (size_t j = 0; j < cc->count(); ++j) {
if (cc->at(j)->sdp_mline_index() == mline_index) {
const_cast<Candidate&>(cc->at(j)->candidate()).set_username(ufrag);
const_cast<Candidate&>(cc->at(j)->candidate()).set_password(pwd);
}
}
}
return true;
}
void AddIceOptions(const std::string& content_name,
const std::vector<std::string>& transport_options) {
ASSERT_TRUE(desc_.GetTransportInfoByName(content_name) != NULL);
cricket::TransportInfo transport_info =
*(desc_.GetTransportInfoByName(content_name));
desc_.RemoveTransportInfoByName(content_name);
transport_info.description.transport_options = transport_options;
desc_.AddTransportInfo(transport_info);
}
void SetIceUfragPwd(const std::string& content_name,
const std::string& ice_ufrag,
const std::string& ice_pwd) {
ASSERT_TRUE(desc_.GetTransportInfoByName(content_name) != NULL);
cricket::TransportInfo transport_info =
*(desc_.GetTransportInfoByName(content_name));
desc_.RemoveTransportInfoByName(content_name);
transport_info.description.ice_ufrag = ice_ufrag;
transport_info.description.ice_pwd = ice_pwd;
desc_.AddTransportInfo(transport_info);
}
void AddFingerprint() {
desc_.RemoveTransportInfoByName(kAudioContentName);
desc_.RemoveTransportInfoByName(kVideoContentName);
rtc::SSLFingerprint fingerprint(rtc::DIGEST_SHA_1, kIdentityDigest);
desc_.AddTransportInfo(TransportInfo(
kAudioContentName,
TransportDescription(std::vector<std::string>(), kUfragVoice, kPwdVoice,
cricket::ICEMODE_FULL,
cricket::CONNECTIONROLE_NONE, &fingerprint)));
desc_.AddTransportInfo(TransportInfo(
kVideoContentName,
TransportDescription(std::vector<std::string>(), kUfragVideo, kPwdVideo,
cricket::ICEMODE_FULL,
cricket::CONNECTIONROLE_NONE, &fingerprint)));
}
void AddExtmap(bool encrypted) {
audio_desc_ = audio_desc_->Copy();
video_desc_ = video_desc_->Copy();
audio_desc_->AddRtpHeaderExtension(
RtpExtension(kExtmapUri, kExtmapId, encrypted));
video_desc_->AddRtpHeaderExtension(
RtpExtension(kExtmapUri, kExtmapId, encrypted));
desc_.RemoveContentByName(kAudioContentName);
desc_.RemoveContentByName(kVideoContentName);
desc_.AddContent(kAudioContentName, MediaProtocolType::kRtp, audio_desc_);
desc_.AddContent(kVideoContentName, MediaProtocolType::kRtp, video_desc_);
}
void RemoveCryptos() {
audio_desc_->set_cryptos(std::vector<CryptoParams>());
video_desc_->set_cryptos(std::vector<CryptoParams>());
}
// Removes everything in StreamParams from the session description that is
// used for a=ssrc lines.
void RemoveSsrcSignalingFromStreamParams() {
for (cricket::ContentInfo content_info : jdesc_.description()->contents()) {
// With Unified Plan there should be one StreamParams per m= section.
StreamParams& stream =
content_info.media_description()->mutable_streams()[0];
stream.ssrcs.clear();
stream.ssrc_groups.clear();
stream.cname.clear();
}
}
// Removes all a=ssrc lines from the SDP string, except for the
// "a=ssrc:... cname:..." lines.
void RemoveSsrcMsidLinesFromSdpString(std::string* sdp_string) {
const char kAttributeSsrc[] = "a=ssrc";
const char kAttributeCname[] = "cname";
size_t ssrc_line_pos = sdp_string->find(kAttributeSsrc);
while (ssrc_line_pos != std::string::npos) {
size_t beg_line_pos = sdp_string->rfind('\n', ssrc_line_pos);
size_t end_line_pos = sdp_string->find('\n', ssrc_line_pos);
size_t cname_pos = sdp_string->find(kAttributeCname, ssrc_line_pos);
if (cname_pos == std::string::npos || cname_pos > end_line_pos) {
// Only erase a=ssrc lines that don't contain "cname".
sdp_string->erase(beg_line_pos, end_line_pos - beg_line_pos);
ssrc_line_pos = sdp_string->find(kAttributeSsrc, beg_line_pos);
} else {
// Skip the "a=ssrc:... cname" line and find the next "a=ssrc" line.
ssrc_line_pos = sdp_string->find(kAttributeSsrc, end_line_pos);
}
}
}
// Removes all a=ssrc lines from the SDP string.
void RemoveSsrcLinesFromSdpString(std::string* sdp_string) {
const char kAttributeSsrc[] = "a=ssrc";
while (sdp_string->find(kAttributeSsrc) != std::string::npos) {
size_t pos_ssrc_attribute = sdp_string->find(kAttributeSsrc);
size_t beg_line_pos = sdp_string->rfind('\n', pos_ssrc_attribute);
size_t end_line_pos = sdp_string->find('\n', pos_ssrc_attribute);
sdp_string->erase(beg_line_pos, end_line_pos - beg_line_pos);
}
}
bool TestSerializeDirection(RtpTransceiverDirection direction) {
audio_desc_->set_direction(direction);
video_desc_->set_direction(direction);
std::string new_sdp = kSdpFullString;
ReplaceDirection(direction, &new_sdp);
if (!jdesc_.Initialize(desc_.Clone(), jdesc_.session_id(),
jdesc_.session_version())) {
return false;
}
std::string message = webrtc::SdpSerialize(jdesc_);
EXPECT_EQ(new_sdp, message);
return true;
}
bool TestSerializeRejected(bool audio_rejected, bool video_rejected) {
audio_desc_ = audio_desc_->Copy();
video_desc_ = video_desc_->Copy();
desc_.RemoveContentByName(kAudioContentName);
desc_.RemoveContentByName(kVideoContentName);
desc_.AddContent(kAudioContentName, MediaProtocolType::kRtp, audio_rejected,
audio_desc_);
desc_.AddContent(kVideoContentName, MediaProtocolType::kRtp, 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(kDummyType);
MakeDescriptionWithoutCandidates(&jdesc_no_candidates);
std::string message = webrtc::SdpSerialize(jdesc_no_candidates);
EXPECT_EQ(new_sdp, message);
return true;
}
void AddSctpDataChannel(bool use_sctpmap) {
std::unique_ptr<SctpDataContentDescription> data(
new SctpDataContentDescription());
sctp_desc_ = data.get();
sctp_desc_->set_use_sctpmap(use_sctpmap);
sctp_desc_->set_protocol(cricket::kMediaProtocolUdpDtlsSctp);
sctp_desc_->set_port(kDefaultSctpPort);
desc_.AddContent(kDataContentName, MediaProtocolType::kSctp,
data.release());
desc_.AddTransportInfo(TransportInfo(
kDataContentName, TransportDescription(kUfragData, kPwdData)));
}
void AddRtpDataChannel() {
std::unique_ptr<RtpDataContentDescription> data(
new RtpDataContentDescription());
data_desc_ = data.get();
data_desc_->AddCodec(DataCodec(101, "google-data"));
StreamParams data_stream;
data_stream.id = kDataChannelMsid;
data_stream.cname = kDataChannelCname;
data_stream.set_stream_ids({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, MediaProtocolType::kRtp, data.release());
desc_.AddTransportInfo(TransportInfo(
kDataContentName, TransportDescription(kUfragData, kPwdData)));
}
bool TestDeserializeDirection(RtpTransceiverDirection direction) {
std::string new_sdp = kSdpFullString;
ReplaceDirection(direction, &new_sdp);
JsepSessionDescription new_jdesc(kDummyType);
EXPECT_TRUE(SdpDeserialize(new_sdp, &new_jdesc));
audio_desc_->set_direction(direction);
video_desc_->set_direction(direction);
if (!jdesc_.Initialize(desc_.Clone(), jdesc_.session_id(),
jdesc_.session_version())) {
return false;
}
EXPECT_TRUE(CompareSessionDescription(jdesc_, new_jdesc));
return true;
}
bool TestDeserializeRejected(bool audio_rejected, bool video_rejected) {
std::string new_sdp = kSdpString;
ReplaceRejected(audio_rejected, video_rejected, &new_sdp);
JsepSessionDescription new_jdesc(SdpType::kOffer);
EXPECT_TRUE(SdpDeserialize(new_sdp, &new_jdesc));
audio_desc_ = audio_desc_->Copy();
video_desc_ = video_desc_->Copy();
desc_.RemoveContentByName(kAudioContentName);
desc_.RemoveContentByName(kVideoContentName);
desc_.AddContent(kAudioContentName, MediaProtocolType::kRtp, audio_rejected,
audio_desc_);
desc_.AddContent(kVideoContentName, MediaProtocolType::kRtp, video_rejected,
video_desc_);
SetIceUfragPwd(kAudioContentName, audio_rejected ? "" : kUfragVoice,
audio_rejected ? "" : kPwdVoice);
SetIceUfragPwd(kVideoContentName, video_rejected ? "" : kUfragVideo,
video_rejected ? "" : kPwdVideo);
JsepSessionDescription jdesc_no_candidates(kDummyType);
if (!jdesc_no_candidates.Initialize(desc_.Clone(), jdesc_.session_id(),
jdesc_.session_version())) {
return false;
}
EXPECT_TRUE(CompareSessionDescription(jdesc_no_candidates, new_jdesc));
return true;
}
void TestDeserializeExtmap(bool session_level,
bool media_level,
bool encrypted) {
AddExtmap(encrypted);
JsepSessionDescription new_jdesc(SdpType::kOffer);
ASSERT_TRUE(new_jdesc.Initialize(desc_.Clone(), jdesc_.session_id(),
jdesc_.session_version()));
JsepSessionDescription jdesc_with_extmap(SdpType::kOffer);
std::string sdp_with_extmap = kSdpString;
if (session_level) {
InjectAfter(kSessionTime,
encrypted ? kExtmapWithDirectionAndAttributeEncrypted
: kExtmapWithDirectionAndAttribute,
&sdp_with_extmap);
}
if (media_level) {
InjectAfter(kAttributeIcePwdVoice,
encrypted ? kExtmapWithDirectionAndAttributeEncrypted
: kExtmapWithDirectionAndAttribute,
&sdp_with_extmap);
InjectAfter(kAttributeIcePwdVideo,
encrypted ? kExtmapWithDirectionAndAttributeEncrypted
: kExtmapWithDirectionAndAttribute,
&sdp_with_extmap);
}
// The extmap can't be present at the same time in both session level and
// media level.
if (session_level && media_level) {
SdpParseError error;
EXPECT_FALSE(
webrtc::SdpDeserialize(sdp_with_extmap, &jdesc_with_extmap, &error));
EXPECT_NE(std::string::npos, error.description.find("a=extmap"));
} else {
EXPECT_TRUE(SdpDeserialize(sdp_with_extmap, &jdesc_with_extmap));
EXPECT_TRUE(CompareSessionDescription(jdesc_with_extmap, new_jdesc));
}
}
void VerifyCodecParameter(const cricket::CodecParameterMap& params,
const std::string& name,
int expected_value) {
cricket::CodecParameterMap::const_iterator found = params.find(name);
ASSERT_TRUE(found != params.end());
EXPECT_EQ(found->second, rtc::ToString(expected_value));
}
void TestDeserializeCodecParams(const CodecParams& params,
JsepSessionDescription* jdesc_output) {
std::string sdp =
"v=0\r\n"
"o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
"s=-\r\n"
"t=0 0\r\n"
// Include semantics for WebRTC Media Streams since it is supported by
// this parser, and will be added to the SDP when serializing a session
// description.
"a=msid-semantic: WMS\r\n"
// Pl type 111 preferred.
"m=audio 9 RTP/SAVPF 111 104 103\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 AudioContentDescription* acd =
GetFirstAudioContentDescription(jdesc_output->description());
ASSERT_TRUE(acd);
ASSERT_FALSE(acd->codecs().empty());
cricket::AudioCodec opus = acd->codecs()[0];
EXPECT_EQ("opus", opus.name);
EXPECT_EQ(111, opus.id);
VerifyCodecParameter(opus.params, "minptime", params.min_ptime);
VerifyCodecParameter(opus.params, "stereo", params.stereo);
VerifyCodecParameter(opus.params, "sprop-stereo", params.sprop_stereo);
VerifyCodecParameter(opus.params, "useinbandfec", params.useinband);
VerifyCodecParameter(opus.params, "maxaveragebitrate",
params.maxaveragebitrate);
for (size_t i = 0; i < acd->codecs().size(); ++i) {
cricket::AudioCodec codec = acd->codecs()[i];
VerifyCodecParameter(codec.params, "ptime", params.ptime);
VerifyCodecParameter(codec.params, "maxptime", params.max_ptime);
}
const VideoContentDescription* vcd =
GetFirstVideoContentDescription(jdesc_output->description());
ASSERT_TRUE(vcd);
ASSERT_FALSE(vcd->codecs().empty());
cricket::VideoCodec vp8 = vcd->codecs()[0];
EXPECT_EQ("VP8", vp8.name);
EXPECT_EQ(99, vp8.id);
cricket::VideoCodec rtx = vcd->codecs()[1];
EXPECT_EQ("RTX", rtx.name);
EXPECT_EQ(95, rtx.id);
VerifyCodecParameter(rtx.params, "apt", vp8.id);
}
void TestDeserializeRtcpFb(JsepSessionDescription* jdesc_output,
bool use_wildcard) {
std::string sdp_session_and_audio =
"v=0\r\n"
"o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
"s=-\r\n"
"t=0 0\r\n"
// Include semantics for WebRTC Media Streams since it is supported by
// this parser, and will be added to the SDP when serializing a session
// description.
"a=msid-semantic: WMS\r\n"
"m=audio 9 RTP/SAVPF 111\r\n"
"a=rtpmap:111 opus/48000/2\r\n";
std::string sdp_video =
"m=video 3457 RTP/SAVPF 101\r\n"
"a=rtpmap:101 VP8/90000\r\n"
"a=rtcp-fb:101 goog-lntf\r\n"
"a=rtcp-fb:101 nack\r\n"
"a=rtcp-fb:101 nack pli\r\n"
"a=rtcp-fb:101 goog-remb\r\n";
std::ostringstream os;
os << sdp_session_and_audio;
os << "a=rtcp-fb:" << (use_wildcard ? "*" : "111") << " nack\r\n";
os << sdp_video;
os << "a=rtcp-fb:" << (use_wildcard ? "*" : "101") << " ccm fir\r\n";
std::string sdp = os.str();
// Deserialize
SdpParseError error;
EXPECT_TRUE(webrtc::SdpDeserialize(sdp, jdesc_output, &error));
const AudioContentDescription* acd =
GetFirstAudioContentDescription(jdesc_output->description());
ASSERT_TRUE(acd);
ASSERT_FALSE(acd->codecs().empty());
cricket::AudioCodec opus = acd->codecs()[0];
EXPECT_EQ(111, opus.id);
EXPECT_TRUE(opus.HasFeedbackParam(cricket::FeedbackParam(
cricket::kRtcpFbParamNack, cricket::kParamValueEmpty)));
const VideoContentDescription* vcd =
GetFirstVideoContentDescription(jdesc_output->description());
ASSERT_TRUE(vcd);
ASSERT_FALSE(vcd->codecs().empty());
cricket::VideoCodec vp8 = vcd->codecs()[0];
EXPECT_STREQ(webrtc::JsepSessionDescription::kDefaultVideoCodecName,
vp8.name.c_str());
EXPECT_EQ(101, vp8.id);
EXPECT_TRUE(vp8.HasFeedbackParam(cricket::FeedbackParam(
cricket::kRtcpFbParamLntf, cricket::kParamValueEmpty)));
EXPECT_TRUE(vp8.HasFeedbackParam(cricket::FeedbackParam(
cricket::kRtcpFbParamNack, cricket::kParamValueEmpty)));
EXPECT_TRUE(vp8.HasFeedbackParam(cricket::FeedbackParam(
cricket::kRtcpFbParamNack, cricket::kRtcpFbNackParamPli)));
EXPECT_TRUE(vp8.HasFeedbackParam(cricket::FeedbackParam(
cricket::kRtcpFbParamRemb, cricket::kParamValueEmpty)));
EXPECT_TRUE(vp8.HasFeedbackParam(cricket::FeedbackParam(
cricket::kRtcpFbParamCcm, cricket::kRtcpFbCcmParamFir)));
}
// Two SDP messages can mean the same thing but be different strings, e.g.
// some of the lines can be serialized in different order.
// However, a deserialized description can be compared field by field and has
// no order. If deserializer has already been tested, serializing then
// deserializing and comparing JsepSessionDescription will test
// the serializer sufficiently.
void TestSerialize(const JsepSessionDescription& jdesc) {
std::string message = webrtc::SdpSerialize(jdesc);
JsepSessionDescription jdesc_output_des(kDummyType);
SdpParseError error;
EXPECT_TRUE(webrtc::SdpDeserialize(message, &jdesc_output_des, &error));
EXPECT_TRUE(CompareSessionDescription(jdesc, jdesc_output_des));
}
// Calling 'Initialize' with a copy of the inner SessionDescription will
// create a copy of the JsepSessionDescription without candidates. The
// 'connection address' field, previously set from the candidates, must also
// be reset.
void MakeDescriptionWithoutCandidates(JsepSessionDescription* jdesc) {
rtc::SocketAddress audio_addr("0.0.0.0", 9);
rtc::SocketAddress video_addr("0.0.0.0", 9);
audio_desc_->set_connection_address(audio_addr);
video_desc_->set_connection_address(video_addr);
ASSERT_TRUE(jdesc->Initialize(desc_.Clone(), kSessionId, kSessionVersion));
}
protected:
SessionDescription desc_;
AudioContentDescription* audio_desc_;
VideoContentDescription* video_desc_;
RtpDataContentDescription* data_desc_;
SctpDataContentDescription* sctp_desc_;
Candidates candidates_;
std::unique_ptr<IceCandidateInterface> jcandidate_;
JsepSessionDescription jdesc_;
};
void TestMismatch(const std::string& string1, const std::string& string2) {
int position = 0;
for (size_t i = 0; i < string1.length() && i < string2.length(); ++i) {
if (string1.c_str()[i] != string2.c_str()[i]) {
position = static_cast<int>(i);
break;
}
}
EXPECT_EQ(0, position) << "Strings mismatch at the " << position
<< " character\n"
<< " 1: " << string1.substr(position, 20) << "\n"
<< " 2: " << string2.substr(position, 20) << "\n";
}
TEST_F(WebRtcSdpTest, SerializeSessionDescription) {
// SessionDescription with desc and candidates.
std::string message = webrtc::SdpSerialize(jdesc_);
TestMismatch(std::string(kSdpFullString), message);
}
TEST_F(WebRtcSdpTest, SerializeSessionDescriptionEmpty) {
JsepSessionDescription jdesc_empty(kDummyType);
EXPECT_EQ("", webrtc::SdpSerialize(jdesc_empty));
}
// This tests serialization of SDP with a=crypto and a=fingerprint, as would be
// the case in a DTLS offer.
TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithFingerprint) {
AddFingerprint();
JsepSessionDescription jdesc_with_fingerprint(kDummyType);
MakeDescriptionWithoutCandidates(&jdesc_with_fingerprint);
std::string message = webrtc::SdpSerialize(jdesc_with_fingerprint);
std::string sdp_with_fingerprint = kSdpString;
InjectAfter(kAttributeIcePwdVoice, kFingerprint, &sdp_with_fingerprint);
InjectAfter(kAttributeIcePwdVideo, kFingerprint, &sdp_with_fingerprint);
EXPECT_EQ(sdp_with_fingerprint, message);
}
// This tests serialization of SDP with a=fingerprint with no a=crypto, as would
// be the case in a DTLS answer.
TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithFingerprintNoCryptos) {
AddFingerprint();
RemoveCryptos();
JsepSessionDescription jdesc_with_fingerprint(kDummyType);
MakeDescriptionWithoutCandidates(&jdesc_with_fingerprint);
std::string message = webrtc::SdpSerialize(jdesc_with_fingerprint);
std::string sdp_with_fingerprint = kSdpString;
Replace(kAttributeCryptoVoice, "", &sdp_with_fingerprint);
Replace(kAttributeCryptoVideo, "", &sdp_with_fingerprint);
InjectAfter(kAttributeIcePwdVoice, kFingerprint, &sdp_with_fingerprint);
InjectAfter(kAttributeIcePwdVideo, kFingerprint, &sdp_with_fingerprint);
EXPECT_EQ(sdp_with_fingerprint, message);
}
TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithoutCandidates) {
// JsepSessionDescription with desc but without candidates.
JsepSessionDescription jdesc_no_candidates(kDummyType);
MakeDescriptionWithoutCandidates(&jdesc_no_candidates);
std::string message = webrtc::SdpSerialize(jdesc_no_candidates);
EXPECT_EQ(std::string(kSdpString), message);
}
TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithBundle) {
ContentGroup group(cricket::GROUP_TYPE_BUNDLE);
group.AddContentName(kAudioContentName);
group.AddContentName(kVideoContentName);
desc_.AddGroup(group);
ASSERT_TRUE(jdesc_.Initialize(desc_.Clone(), jdesc_.session_id(),
jdesc_.session_version()));
std::string message = webrtc::SdpSerialize(jdesc_);
std::string sdp_with_bundle = kSdpFullString;
InjectAfter(kSessionTime,
"a=group:BUNDLE audio_content_name video_content_name\r\n",
&sdp_with_bundle);
EXPECT_EQ(sdp_with_bundle, message);
}
TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithBandwidth) {
VideoContentDescription* vcd = GetFirstVideoContentDescription(&desc_);
vcd->set_bandwidth(100 * 1000);
AudioContentDescription* acd = GetFirstAudioContentDescription(&desc_);
acd->set_bandwidth(50 * 1000);
ASSERT_TRUE(jdesc_.Initialize(desc_.Clone(), jdesc_.session_id(),
jdesc_.session_version()));
std::string message = webrtc::SdpSerialize(jdesc_);
std::string sdp_with_bandwidth = kSdpFullString;
InjectAfter("c=IN IP4 74.125.224.39\r\n", "b=AS:100\r\n",
&sdp_with_bandwidth);
InjectAfter("c=IN IP4 74.125.127.126\r\n", "b=AS:50\r\n",
&sdp_with_bandwidth);
EXPECT_EQ(sdp_with_bandwidth, message);
}
TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithIceOptions) {
std::vector<std::string> transport_options;
transport_options.push_back(kIceOption1);
transport_options.push_back(kIceOption3);
AddIceOptions(kAudioContentName, transport_options);
transport_options.clear();
transport_options.push_back(kIceOption2);
transport_options.push_back(kIceOption3);
AddIceOptions(kVideoContentName, transport_options);
ASSERT_TRUE(jdesc_.Initialize(desc_.Clone(), jdesc_.session_id(),
jdesc_.session_version()));
std::string message = webrtc::SdpSerialize(jdesc_);
std::string sdp_with_ice_options = kSdpFullString;
InjectAfter(kAttributeIcePwdVoice, "a=ice-options:iceoption1 iceoption3\r\n",
&sdp_with_ice_options);
InjectAfter(kAttributeIcePwdVideo, "a=ice-options:iceoption2 iceoption3\r\n",
&sdp_with_ice_options);
EXPECT_EQ(sdp_with_ice_options, message);
}
TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithRecvOnlyContent) {
EXPECT_TRUE(TestSerializeDirection(RtpTransceiverDirection::kRecvOnly));
}
TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithSendOnlyContent) {
EXPECT_TRUE(TestSerializeDirection(RtpTransceiverDirection::kSendOnly));
}
TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithInactiveContent) {
EXPECT_TRUE(TestSerializeDirection(RtpTransceiverDirection::kInactive));
}
TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithAudioRejected) {
EXPECT_TRUE(TestSerializeRejected(true, false));
}
TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithVideoRejected) {
EXPECT_TRUE(TestSerializeRejected(false, true));
}
TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithAudioVideoRejected) {
EXPECT_TRUE(TestSerializeRejected(true, true));
}
TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithRtpDataChannel) {
AddRtpDataChannel();
JsepSessionDescription jsep_desc(kDummyType);
MakeDescriptionWithoutCandidates(&jsep_desc);
std::string message = webrtc::SdpSerialize(jsep_desc);
std::string expected_sdp = kSdpString;
expected_sdp.append(kSdpRtpDataChannelString);
EXPECT_EQ(expected_sdp, message);
}
TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithSctpDataChannel) {
bool use_sctpmap = true;
AddSctpDataChannel(use_sctpmap);
JsepSessionDescription jsep_desc(kDummyType);
MakeDescriptionWithoutCandidates(&jsep_desc);
std::string message = webrtc::SdpSerialize(jsep_desc);
std::string expected_sdp = kSdpString;
expected_sdp.append(kSdpSctpDataChannelString);
EXPECT_EQ(message, expected_sdp);
}
void MutateJsepSctpPort(JsepSessionDescription* jdesc,
const SessionDescription& desc,
int port) {
// Take our pre-built session description and change the SCTP port.
std::unique_ptr<cricket::SessionDescription> mutant = desc.Clone();
SctpDataContentDescription* dcdesc =
mutant->GetContentDescriptionByName(kDataContentName)->as_sctp();
dcdesc->set_port(port);
ASSERT_TRUE(
jdesc->Initialize(std::move(mutant), kSessionId, kSessionVersion));
}
TEST_F(WebRtcSdpTest, SerializeWithSctpDataChannelAndNewPort) {
bool use_sctpmap = true;
AddSctpDataChannel(use_sctpmap);
JsepSessionDescription jsep_desc(kDummyType);
MakeDescriptionWithoutCandidates(&jsep_desc);
const int kNewPort = 1234;
MutateJsepSctpPort(&jsep_desc, desc_, kNewPort);
std::string message = webrtc::SdpSerialize(jsep_desc);
std::string expected_sdp = kSdpString;
expected_sdp.append(kSdpSctpDataChannelString);
absl::StrReplaceAll(
{{rtc::ToString(kDefaultSctpPort), rtc::ToString(kNewPort)}},
&expected_sdp);
EXPECT_EQ(expected_sdp, message);
}
TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithDataChannelAndBandwidth) {
JsepSessionDescription jsep_desc(kDummyType);
AddRtpDataChannel();
data_desc_->set_bandwidth(100 * 1000);
MakeDescriptionWithoutCandidates(&jsep_desc);
std::string message = webrtc::SdpSerialize(jsep_desc);
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, SerializeSessionDescriptionWithExtmapAllowMixed) {
jdesc_.description()->set_extmap_allow_mixed(true);
TestSerialize(jdesc_);
}
TEST_F(WebRtcSdpTest, SerializeMediaContentDescriptionWithExtmapAllowMixed) {
cricket::MediaContentDescription* video_desc =
jdesc_.description()->GetContentDescriptionByName(kVideoContentName);
ASSERT_TRUE(video_desc);
cricket::MediaContentDescription* audio_desc =
jdesc_.description()->GetContentDescriptionByName(kAudioContentName);
ASSERT_TRUE(audio_desc);
video_desc->set_extmap_allow_mixed_enum(
cricket::MediaContentDescription::kMedia);
audio_desc->set_extmap_allow_mixed_enum(
cricket::MediaContentDescription::kMedia);
TestSerialize(jdesc_);
}
TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithExtmap) {
bool encrypted = false;
AddExtmap(encrypted);
JsepSessionDescription desc_with_extmap(kDummyType);
MakeDescriptionWithoutCandidates(&desc_with_extmap);
std::string message = webrtc::SdpSerialize(desc_with_extmap);
std::string sdp_with_extmap = kSdpString;
InjectAfter("a=mid:audio_content_name\r\n", kExtmap, &sdp_with_extmap);
InjectAfter("a=mid:video_content_name\r\n", kExtmap, &sdp_with_extmap);
EXPECT_EQ(sdp_with_extmap, message);
}
TEST_F(WebRtcSdpTest, SerializeSessionDescriptionWithExtmapEncrypted) {
bool encrypted = true;
AddExtmap(encrypted);
JsepSessionDescription desc_with_extmap(kDummyType);
ASSERT_TRUE(
desc_with_extmap.Initialize(desc_.Clone(), kSessionId, kSessionVersion));
TestSerialize(desc_with_extmap);
}
TEST_F(WebRtcSdpTest, SerializeCandidates) {
std::string message = webrtc::SdpSerializeCandidate(*jcandidate_);
EXPECT_EQ(std::string(kRawCandidate), message);
Candidate candidate_with_ufrag(candidates_.front());
candidate_with_ufrag.set_username("ABC");
jcandidate_.reset(new JsepIceCandidate(std::string("audio_content_name"), 0,
candidate_with_ufrag));
message = webrtc::SdpSerializeCandidate(*jcandidate_);
EXPECT_EQ(std::string(kRawCandidate) + " ufrag ABC", message);
Candidate candidate_with_network_info(candidates_.front());
candidate_with_network_info.set_network_id(1);
jcandidate_.reset(new JsepIceCandidate(std::string("audio"), 0,
candidate_with_network_info));
message = webrtc::SdpSerializeCandidate(*jcandidate_);
EXPECT_EQ(std::string(kRawCandidate) + " network-id 1", message);
candidate_with_network_info.set_network_cost(999);
jcandidate_.reset(new JsepIceCandidate(std::string("audio"), 0,
candidate_with_network_info));
message = webrtc::SdpSerializeCandidate(*jcandidate_);
EXPECT_EQ(std::string(kRawCandidate) + " network-id 1 network-cost 999",
message);
}
TEST_F(WebRtcSdpTest, SerializeHostnameCandidate) {
rtc::SocketAddress address("a.test", 1234);
cricket::Candidate candidate(
cricket::ICE_CANDIDATE_COMPONENT_RTP, "udp", address, kCandidatePriority,
"", "", LOCAL_PORT_TYPE, kCandidateGeneration, kCandidateFoundation1);
JsepIceCandidate jcandidate(std::string("audio_content_name"), 0, candidate);
std::string message = webrtc::SdpSerializeCandidate(jcandidate);
EXPECT_EQ(std::string(kRawHostnameCandidate), message);
}
// 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<IceCandidateInterface> 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) {
cricket::VideoCodec h264_codec("H264");
h264_codec.SetParam("profile-level-id", "42e01f");
h264_codec.SetParam("level-asymmetry-allowed", "1");
h264_codec.SetParam("packetization-mode", "1");
video_desc_->AddCodec(h264_codec);
jdesc_.Initialize(desc_.Clone(), kSessionId, kSessionVersion);
std::string message = webrtc::SdpSerialize(jdesc_);
size_t after_pt = message.find(" H264/90000");
ASSERT_NE(after_pt, std::string::npos);
size_t before_pt = message.rfind("a=rtpmap:", after_pt);
ASSERT_NE(before_pt, std::string::npos);
before_pt += strlen("a=rtpmap:");
std::string pt = message.substr(before_pt, after_pt - before_pt);
// TODO(hta): Check if payload type |pt| occurs in the m=video line.
std::string to_find = "a=fmtp:" + pt + " ";
size_t fmtp_pos = message.find(to_find);
ASSERT_NE(std::string::npos, fmtp_pos) << "Failed to find " << to_find;
size_t fmtp_endpos = message.find('\n', fmtp_pos);
ASSERT_NE(std::string::npos, fmtp_endpos);
std::string fmtp_value = message.substr(fmtp_pos, fmtp_endpos);
EXPECT_NE(std::string::npos, fmtp_value.find("level-asymmetry-allowed=1"));
EXPECT_NE(std::string::npos, fmtp_value.find("packetization-mode=1"));
EXPECT_NE(std::string::npos, fmtp_value.find("profile-level-id=42e01f"));
// Check that there are no spaces after semicolons.
// https://bugs.webrtc.org/5793
EXPECT_EQ(std::string::npos, fmtp_value.find("; "));
}
TEST_F(WebRtcSdpTest, DeserializeSessionDescription) {
JsepSessionDescription jdesc(kDummyType);
// Deserialize
EXPECT_TRUE(SdpDeserialize(kSdpFullString, &jdesc));
// Verify
EXPECT_TRUE(CompareSessionDescription(jdesc_, jdesc));
}
TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithoutMline) {
JsepSessionDescription jdesc(kDummyType);
const char kSdpWithoutMline[] =
"v=0\r\n"
"o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
"s=-\r\n"
"t=0 0\r\n"
"a=msid-semantic: WMS local_stream_1 local_stream_2\r\n";
// Deserialize
EXPECT_TRUE(SdpDeserialize(kSdpWithoutMline, &jdesc));
EXPECT_EQ(0u, jdesc.description()->contents().size());
}
TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithoutCarriageReturn) {
JsepSessionDescription jdesc(kDummyType);
std::string sdp_without_carriage_return = kSdpFullString;
Replace("\r\n", "\n", &sdp_without_carriage_return);
// Deserialize
EXPECT_TRUE(SdpDeserialize(sdp_without_carriage_return, &jdesc));
// Verify
EXPECT_TRUE(CompareSessionDescription(jdesc_, jdesc));
}
TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithoutCandidates) {
// SessionDescription with desc but without candidates.
JsepSessionDescription jdesc_no_candidates(kDummyType);
ASSERT_TRUE(jdesc_no_candidates.Initialize(desc_.Clone(), kSessionId,
kSessionVersion));
JsepSessionDescription new_jdesc(kDummyType);
EXPECT_TRUE(SdpDeserialize(kSdpString, &new_jdesc));
EXPECT_TRUE(CompareSessionDescription(jdesc_no_candidates, new_jdesc));
}
TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithoutRtpmap) {
static const char kSdpNoRtpmapString[] =
"v=0\r\n"
"o=- 11 22 IN IP4 127.0.0.1\r\n"
"s=-\r\n"
"t=0 0\r\n"
"m=audio 49232 RTP/AVP 0 18 103\r\n"
// Codec that doesn't appear in the m= line will be ignored.
"a=rtpmap:104 ISAC/32000\r\n"
// The rtpmap line for static payload codec is optional.
"a=rtpmap:18 G729/16000\r\n"
"a=rtpmap:103 ISAC/16000\r\n";
JsepSessionDescription jdesc(kDummyType);
EXPECT_TRUE(SdpDeserialize(kSdpNoRtpmapString, &jdesc));
cricket::AudioContentDescription* audio =
cricket::GetFirstAudioContentDescription(jdesc.description());
AudioCodecs ref_codecs;
// The codecs in the AudioContentDescription should be in the same order as
// the payload types (<fmt>s) on the m= line.
ref_codecs.push_back(AudioCodec(0, "PCMU", 8000, 0, 1));
ref_codecs.push_back(AudioCodec(18, "G729", 16000, 0, 1));
ref_codecs.push_back(AudioCodec(103, "ISAC", 16000, 0, 1));
EXPECT_EQ(ref_codecs, audio->codecs());
}
TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithoutRtpmapButWithFmtp) {
static const char kSdpNoRtpmapString[] =
"v=0\r\n"
"o=- 11 22 IN IP4 127.0.0.1\r\n"
"s=-\r\n"
"t=0 0\r\n"
"m=audio 49232 RTP/AVP 18 103\r\n"
"a=fmtp:18 annexb=yes\r\n"
"a=rtpmap:103 ISAC/16000\r\n";
JsepSessionDescription jdesc(kDummyType);
EXPECT_TRUE(SdpDeserialize(kSdpNoRtpmapString, &jdesc));
cricket::AudioContentDescription* audio =
cricket::GetFirstAudioContentDescription(jdesc.description());
cricket::AudioCodec g729 = audio->codecs()[0];
EXPECT_EQ("G729", g729.name);
EXPECT_EQ(8000, g729.clockrate);
EXPECT_EQ(18, g729.id);
cricket::CodecParameterMap::iterator found = g729.params.find("annexb");
ASSERT_TRUE(found != g729.params.end());
EXPECT_EQ(found->second, "yes");
cricket::AudioCodec isac = audio->codecs()[1];
EXPECT_EQ("ISAC", isac.name);
EXPECT_EQ(103, isac.id);
EXPECT_EQ(16000, isac.clockrate);
}
// Ensure that we can deserialize SDP with a=fingerprint properly.
TEST_F(WebRtcSdpTest, DeserializeJsepSessionDescriptionWithFingerprint) {
// Add a DTLS a=fingerprint attribute to our session description.
AddFingerprint();
JsepSessionDescription new_jdesc(kDummyType);
ASSERT_TRUE(new_jdesc.Initialize(desc_.Clone(), jdesc_.session_id(),
jdesc_.session_version()));
JsepSessionDescription jdesc_with_fingerprint(kDummyType);
std::string sdp_with_fingerprint = kSdpString;
InjectAfter(kAttributeIcePwdVoice, kFingerprint, &sdp_with_fingerprint);
InjectAfter(kAttributeIcePwdVideo, kFingerprint, &sdp_with_fingerprint);
EXPECT_TRUE(SdpDeserialize(sdp_with_fingerprint, &jdesc_with_fingerprint));
EXPECT_TRUE(CompareSessionDescription(jdesc_with_fingerprint, new_jdesc));
}
TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithBundle) {
JsepSessionDescription jdesc_with_bundle(kDummyType);
std::string sdp_with_bundle = kSdpFullString;
InjectAfter(kSessionTime,
"a=group:BUNDLE audio_content_name video_content_name\r\n",
&sdp_with_bundle);
EXPECT_TRUE(SdpDeserialize(sdp_with_bundle, &jdesc_with_bundle));
ContentGroup group(cricket::GROUP_TYPE_BUNDLE);
group.AddContentName(kAudioContentName);
group.AddContentName(kVideoContentName);
desc_.AddGroup(group);
ASSERT_TRUE(jdesc_.Initialize(desc_.Clone(), jdesc_.session_id(),
jdesc_.session_version()));
EXPECT_TRUE(CompareSessionDescription(jdesc_, jdesc_with_bundle));
}
TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithBandwidth) {
JsepSessionDescription jdesc_with_bandwidth(kDummyType);
std::string sdp_with_bandwidth = kSdpFullString;
InjectAfter("a=mid:video_content_name\r\na=sendrecv\r\n", "b=AS:100\r\n",
&sdp_with_bandwidth);
InjectAfter("a=mid:audio_content_name\r\na=sendrecv\r\n", "b=AS:50\r\n",
&sdp_with_bandwidth);
EXPECT_TRUE(SdpDeserialize(sdp_with_bandwidth, &jdesc_with_bandwidth));
VideoContentDescription* vcd = GetFirstVideoContentDescription(&desc_);
vcd->set_bandwidth(100 * 1000);
AudioContentDescription* acd = GetFirstAudioContentDescription(&desc_);
acd->set_bandwidth(50 * 1000);
ASSERT_TRUE(jdesc_.Initialize(desc_.Clone(), jdesc_.session_id(),
jdesc_.session_version()));
EXPECT_TRUE(CompareSessionDescription(jdesc_, jdesc_with_bandwidth));
}
TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithIceOptions) {
JsepSessionDescription jdesc_with_ice_options(kDummyType);
std::string sdp_with_ice_options = kSdpFullString;
InjectAfter(kSessionTime, "a=ice-options:iceoption3\r\n",
&sdp_with_ice_options);
InjectAfter(kAttributeIcePwdVoice, "a=ice-options:iceoption1\r\n",
&sdp_with_ice_options);
InjectAfter(kAttributeIcePwdVideo, "a=ice-options:iceoption2\r\n",
&sdp_with_ice_options);
EXPECT_TRUE(SdpDeserialize(sdp_with_ice_options, &jdesc_with_ice_options));
std::vector<std::string> transport_options;
transport_options.push_back(kIceOption3);
transport_options.push_back(kIceOption1);
AddIceOptions(kAudioContentName, transport_options);
transport_options.clear();
transport_options.push_back(kIceOption3);
transport_options.push_back(kIceOption2);
AddIceOptions(kVideoContentName, transport_options);
ASSERT_TRUE(jdesc_.Initialize(desc_.Clone(), jdesc_.session_id(),
jdesc_.session_version()));
EXPECT_TRUE(CompareSessionDescription(jdesc_, jdesc_with_ice_options));
}
TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithUfragPwd) {
// Remove the original ice-ufrag and ice-pwd
JsepSessionDescription jdesc_with_ufrag_pwd(kDummyType);
std::string sdp_with_ufrag_pwd = kSdpFullString;
EXPECT_TRUE(RemoveCandidateUfragPwd(&sdp_with_ufrag_pwd));
// Add session level ufrag and pwd
InjectAfter(kSessionTime,
"a=ice-pwd:session+level+icepwd\r\n"
"a=ice-ufrag:session+level+iceufrag\r\n",
&sdp_with_ufrag_pwd);
// Add media level ufrag and pwd for audio
InjectAfter(
"a=mid:audio_content_name\r\n",
"a=ice-pwd:media+level+icepwd\r\na=ice-ufrag:media+level+iceufrag\r\n",
&sdp_with_ufrag_pwd);
// Update the candidate ufrag and pwd to the expected ones.
EXPECT_TRUE(UpdateCandidateUfragPwd(&jdesc_, 0, "media+level+iceufrag",
"media+level+icepwd"));
EXPECT_TRUE(UpdateCandidateUfragPwd(&jdesc_, 1, "session+level+iceufrag",
"session+level+icepwd"));
EXPECT_TRUE(SdpDeserialize(sdp_with_ufrag_pwd, &jdesc_with_ufrag_pwd));
EXPECT_TRUE(CompareSessionDescription(jdesc_, jdesc_with_ufrag_pwd));
}
TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithRecvOnlyContent) {
EXPECT_TRUE(TestDeserializeDirection(RtpTransceiverDirection::kRecvOnly));
}
TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithSendOnlyContent) {
EXPECT_TRUE(TestDeserializeDirection(RtpTransceiverDirection::kSendOnly));
}
TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithInactiveContent) {
EXPECT_TRUE(TestDeserializeDirection(RtpTransceiverDirection::kInactive));
}
TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithRejectedAudio) {
EXPECT_TRUE(TestDeserializeRejected(true, false));
}
TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithRejectedVideo) {
EXPECT_TRUE(TestDeserializeRejected(false, true));
}
TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithRejectedAudioVideo) {
EXPECT_TRUE(TestDeserializeRejected(true, true));
}
// 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(kDummyType);
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));
EXPECT_FALSE(jdesc.description()->msid_signaling() &
~cricket::kMsidSignalingSsrcAttribute);
}
TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithExtmapAllowMixed) {
jdesc_.description()->set_extmap_allow_mixed(true);
std::string sdp_with_extmap_allow_mixed = kSdpFullString;
InjectAfter("t=0 0\r\n", kExtmapAllowMixed, &sdp_with_extmap_allow_mixed);
// Deserialize
JsepSessionDescription jdesc_deserialized(kDummyType);
EXPECT_TRUE(SdpDeserialize(sdp_with_extmap_allow_mixed, &jdesc_deserialized));
// Verify
EXPECT_TRUE(CompareSessionDescription(jdesc_, jdesc_deserialized));
}
TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithoutExtmapAllowMixed) {
jdesc_.description()->set_extmap_allow_mixed(false);
std::string sdp_without_extmap_allow_mixed = kSdpFullString;
// Deserialize
JsepSessionDescription jdesc_deserialized(kDummyType);
EXPECT_TRUE(
SdpDeserialize(sdp_without_extmap_allow_mixed, &jdesc_deserialized));
// Verify
EXPECT_TRUE(CompareSessionDescription(jdesc_, jdesc_deserialized));
}
TEST_F(WebRtcSdpTest, DeserializeMediaContentDescriptionWithExtmapAllowMixed) {
cricket::MediaContentDescription* video_desc =
jdesc_.description()->GetContentDescriptionByName(kVideoContentName);
ASSERT_TRUE(video_desc);
cricket::MediaContentDescription* audio_desc =
jdesc_.description()->GetContentDescriptionByName(kAudioContentName);
ASSERT_TRUE(audio_desc);
video_desc->set_extmap_allow_mixed_enum(
cricket::MediaContentDescription::kMedia);
audio_desc->set_extmap_allow_mixed_enum(
cricket::MediaContentDescription::kMedia);
std::string sdp_with_extmap_allow_mixed = kSdpFullString;
InjectAfter("a=mid:audio_content_name\r\n", kExtmapAllowMixed,
&sdp_with_extmap_allow_mixed);
InjectAfter("a=mid:video_content_name\r\n", kExtmapAllowMixed,
&sdp_with_extmap_allow_mixed);
// Deserialize
JsepSessionDescription jdesc_deserialized(kDummyType);
EXPECT_TRUE(SdpDeserialize(sdp_with_extmap_allow_mixed, &jdesc_deserialized));
// Verify
EXPECT_TRUE(CompareSessionDescription(jdesc_, jdesc_deserialized));
}
TEST_F(WebRtcSdpTest, DeserializeCandidate) {
JsepIceCandidate jcandidate(kDummyMid, kDummyIndex);
std::string sdp = kSdpOneCandidate;
EXPECT_TRUE(SdpDeserializeCandidate(sdp, &jcandidate));
EXPECT_EQ(kDummyMid, jcandidate.sdp_mid());
EXPECT_EQ(kDummyIndex, jcandidate.sdp_mline_index());
EXPECT_TRUE(jcandidate.candidate().IsEquivalent(jcandidate_->candidate()));
EXPECT_EQ(0, jcandidate.candidate().network_cost());
// Candidate line without generation extension.
sdp = kSdpOneCandidate;
Replace(" generation 2", "", &sdp);
EXPECT_TRUE(SdpDeserializeCandidate(sdp, &jcandidate));
EXPECT_EQ(kDummyMid, jcandidate.sdp_mid());
EXPECT_EQ(kDummyIndex, jcandidate.sdp_mline_index());
Candidate expected = jcandidate_->candidate();
expected.set_generation(0);
EXPECT_TRUE(jcandidate.candidate().IsEquivalent(expected));
// Candidate with network id and/or cost.
sdp = kSdpOneCandidate;
Replace(" generation 2", " generation 2 network-id 2", &sdp);
EXPECT_TRUE(SdpDeserializeCandidate(sdp, &jcandidate));
EXPECT_EQ(kDummyMid, jcandidate.sdp_mid());
EXPECT_EQ(kDummyIndex, jcandidate.sdp_mline_index());
expected = jcandidate_->candidate();
expected.set_network_id(2);
EXPECT_TRUE(jcandidate.candidate().IsEquivalent(expected));
EXPECT_EQ(0, jcandidate.candidate().network_cost());
// Add network cost
Replace(" network-id 2", " network-id 2 network-cost 9", &sdp);
EXPECT_TRUE(SdpDeserializeCandidate(sdp, &jcandidate));
EXPECT_TRUE(jcandidate.candidate().IsEquivalent(expected));
EXPECT_EQ(9, jcandidate.candidate().network_cost());
sdp = kSdpTcpActiveCandidate;
EXPECT_TRUE(SdpDeserializeCandidate(sdp, &jcandidate));
// Make a cricket::Candidate equivalent to kSdpTcpCandidate string.
Candidate candidate(ICE_CANDIDATE_COMPONENT_RTP, "tcp",
rtc::SocketAddress("192.168.1.5", 9), kCandidatePriority,
"", "", LOCAL_PORT_TYPE, kCandidateGeneration,
kCandidateFoundation1);
std::unique_ptr<IceCandidateInterface> jcandidate_template(
new JsepIceCandidate(std::string("audio_content_name"), 0, candidate));
EXPECT_TRUE(
jcandidate.candidate().IsEquivalent(jcandidate_template->candidate()));
sdp = kSdpTcpPassiveCandidate;
EXPECT_TRUE(SdpDeserializeCandidate(sdp, &jcandidate));
sdp = kSdpTcpSOCandidate;
EXPECT_TRUE(SdpDeserializeCandidate(sdp, &jcandidate));
}
// This test verifies the deserialization of candidate-attribute
// as per RFC 5245. Candiate-attribute will be of the format
// candidate:<blah>. This format will be used when candidates
// are trickled.
TEST_F(WebRtcSdpTest, DeserializeRawCandidateAttribute) {
JsepIceCandidate jcandidate(kDummyMid, kDummyIndex);
std::string candidate_attribute = kRawCandidate;
EXPECT_TRUE(SdpDeserializeCandidate(candidate_attribute, &jcandidate));
EXPECT_EQ(kDummyMid, jcandidate.sdp_mid());
EXPECT_EQ(kDummyIndex, jcandidate.sdp_mline_index());
EXPECT_TRUE(jcandidate.candidate().IsEquivalent(jcandidate_->candidate()));
EXPECT_EQ(2u, jcandidate.candidate().generation());
// Candidate line without generation extension.
candidate_attribute = kRawCandidate;
Replace(" generation 2", "", &candidate_attribute);
EXPECT_TRUE(SdpDeserializeCandidate(candidate_attribute, &jcandidate));
EXPECT_EQ(kDummyMid, jcandidate.sdp_mid());
EXPECT_EQ(kDummyIndex, jcandidate.sdp_mline_index());
Candidate expected = jcandidate_->candidate();
expected.set_generation(0);
EXPECT_TRUE(jcandidate.candidate().IsEquivalent(expected));
// Candidate line without candidate:
candidate_attribute = kRawCandidate;
Replace("candidate:", "", &candidate_attribute);
EXPECT_FALSE(SdpDeserializeCandidate(candidate_attribute, &jcandidate));
// Candidate line with IPV6 address.
EXPECT_TRUE(SdpDeserializeCandidate(kRawIPV6Candidate, &jcandidate));
// Candidate line with hostname address.
EXPECT_TRUE(SdpDeserializeCandidate(kRawHostnameCandidate, &jcandidate));
}
// This test verifies that the deserialization of an invalid candidate string
// fails.
TEST_F(WebRtcSdpTest, DeserializeInvalidCandidiate) {
JsepIceCandidate jcandidate(kDummyMid, kDummyIndex);
std::string candidate_attribute = kRawCandidate;
candidate_attribute.replace(0, 1, "x");
EXPECT_FALSE(SdpDeserializeCandidate(candidate_attribute, &jcandidate));
candidate_attribute = kSdpOneCandidate;
candidate_attribute.replace(0, 1, "x");
EXPECT_FALSE(SdpDeserializeCandidate(candidate_attribute, &jcandidate));
candidate_attribute = kRawCandidate;
candidate_attribute.append("\r\n");
candidate_attribute.append(kRawCandidate);
EXPECT_FALSE(SdpDeserializeCandidate(candidate_attribute, &jcandidate));
EXPECT_FALSE(SdpDeserializeCandidate(kSdpTcpInvalidCandidate, &jcandidate));
}
TEST_F(WebRtcSdpTest, DeserializeSdpWithRtpDataChannels) {
AddRtpDataChannel();
JsepSessionDescription jdesc(kDummyType);
ASSERT_TRUE(jdesc.Initialize(desc_.Clone(), kSessionId, kSessionVersion));
std::string sdp_with_data = kSdpString;
sdp_with_data.append(kSdpRtpDataChannelString);
JsepSessionDescription jdesc_output(kDummyType);
// Deserialize
EXPECT_TRUE(SdpDeserialize(sdp_with_data, &jdesc_output));
// Verify
EXPECT_TRUE(CompareSessionDescription(jdesc, jdesc_output));
}
TEST_F(WebRtcSdpTest, DeserializeSdpWithSctpDataChannels) {
bool use_sctpmap = true;
AddSctpDataChannel(use_sctpmap);
JsepSessionDescription jdesc(kDummyType);
ASSERT_TRUE(jdesc.Initialize(desc_.Clone(), kSessionId, kSessionVersion));
std::string sdp_with_data = kSdpString;
sdp_with_data.append(kSdpSctpDataChannelString);
JsepSessionDescription jdesc_output(kDummyType);
// Verify with UDP/DTLS/SCTP (already in kSdpSctpDataChannelString).
EXPECT_TRUE(SdpDeserialize(sdp_with_data, &jdesc_output));
EXPECT_TRUE(CompareSessionDescription(jdesc, jdesc_output));
// Verify with DTLS/SCTP.
sdp_with_data.replace(sdp_with_data.find(kUdpDtlsSctp), strlen(kUdpDtlsSctp),
kDtlsSctp);
EXPECT_TRUE(SdpDeserialize(sdp_with_data, &jdesc_output));
EXPECT_TRUE(CompareSessionDescription(jdesc, jdesc_output));
// Verify with TCP/DTLS/SCTP.
sdp_with_data.replace(sdp_with_data.find(kDtlsSctp), strlen(kDtlsSctp),
kTcpDtlsSctp);
EXPECT_TRUE(SdpDeserialize(sdp_with_data, &jdesc_output));
EXPECT_TRUE(CompareSessionDescription(jdesc, jdesc_output));
}
TEST_F(WebRtcSdpTest, DeserializeSdpWithSctpDataChannelsWithSctpPort) {
bool use_sctpmap = false;
AddSctpDataChannel(use_sctpmap);
JsepSessionDescription jdesc(kDummyType);
ASSERT_TRUE(jdesc.Initialize(desc_.Clone(), kSessionId, kSessionVersion));
std::string sdp_with_data = kSdpString;
sdp_with_data.append(kSdpSctpDataChannelStringWithSctpPort);
JsepSessionDescription jdesc_output(kDummyType);
EXPECT_TRUE(SdpDeserialize(sdp_with_data, &jdesc_output));
EXPECT_TRUE(CompareSessionDescription(jdesc, jdesc_output));
}
TEST_F(WebRtcSdpTest, DeserializeSdpWithSctpDataChannelsWithSctpColonPort) {
bool use_sctpmap = false;
AddSctpDataChannel(use_sctpmap);
JsepSessionDescription jdesc(kDummyType);
ASSERT_TRUE(jdesc.Initialize(desc_.Clone(), kSessionId, kSessionVersion));
std::string sdp_with_data = kSdpString;
sdp_with_data.append(kSdpSctpDataChannelStringWithSctpColonPort);
JsepSessionDescription jdesc_output(kDummyType);
EXPECT_TRUE(SdpDeserialize(sdp_with_data, &jdesc_output));
EXPECT_TRUE(CompareSessionDescription(jdesc, jdesc_output));
}
// Helper function to set the max-message-size parameter in the
// SCTP data codec.
void MutateJsepSctpMaxMessageSize(const SessionDescription& desc,
int new_value,
JsepSessionDescription* jdesc) {
std::unique_ptr<cricket::SessionDescription> mutant = desc.Clone();
SctpDataContentDescription* dcdesc =
mutant->GetContentDescriptionByName(kDataContentName)->as_sctp();
dcdesc->set_max_message_size(new_value);
jdesc->Initialize(std::move(mutant), kSessionId, kSessionVersion);
}
TEST_F(WebRtcSdpTest, DeserializeSdpWithSctpDataChannelsWithMaxMessageSize) {
bool use_sctpmap = false;
AddSctpDataChannel(use_sctpmap);
JsepSessionDescription jdesc(kDummyType);
std::string sdp_with_data = kSdpString;
sdp_with_data.append(kSdpSctpDataChannelStringWithSctpColonPort);
sdp_with_data.append("a=max-message-size:12345\r\n");
MutateJsepSctpMaxMessageSize(desc_, 12345, &jdesc);
JsepSessionDescription jdesc_output(kDummyType);
EXPECT_TRUE(SdpDeserialize(sdp_with_data, &jdesc_output));
EXPECT_TRUE(CompareSessionDescription(jdesc, jdesc_output));
}
TEST_F(WebRtcSdpTest, SerializeSdpWithSctpDataChannelWithMaxMessageSize) {
bool use_sctpmap = false;
AddSctpDataChannel(use_sctpmap);
JsepSessionDescription jdesc(kDummyType);
MutateJsepSctpMaxMessageSize(desc_, 12345, &jdesc);
std::string message = webrtc::SdpSerialize(jdesc);
EXPECT_NE(std::string::npos,
message.find("\r\na=max-message-size:12345\r\n"));
JsepSessionDescription jdesc_output(kDummyType);
EXPECT_TRUE(SdpDeserialize(message, &jdesc_output));
EXPECT_TRUE(CompareSessionDescription(jdesc, jdesc_output));
}
TEST_F(WebRtcSdpTest,
SerializeSdpWithSctpDataChannelWithDefaultMaxMessageSize) {
// https://tools.ietf.org/html/draft-ietf-mmusic-sctp-sdp-26#section-6
// The default max message size is 64K.
bool use_sctpmap = false;
AddSctpDataChannel(use_sctpmap);
JsepSessionDescription jdesc(kDummyType);
MutateJsepSctpMaxMessageSize(desc_, 65536, &jdesc);
std::string message = webrtc::SdpSerialize(jdesc);
EXPECT_EQ(std::string::npos, message.find("\r\na=max-message-size:"));
JsepSessionDescription jdesc_output(kDummyType);
EXPECT_TRUE(SdpDeserialize(message, &jdesc_output));
EXPECT_TRUE(CompareSessionDescription(jdesc, jdesc_output));
}
// Test to check the behaviour if sctp-port is specified
// on the m= line and in a=sctp-port.
TEST_F(WebRtcSdpTest, DeserializeSdpWithMultiSctpPort) {
bool use_sctpmap = true;
AddSctpDataChannel(use_sctpmap);
JsepSessionDescription jdesc(kDummyType);
ASSERT_TRUE(jdesc.Initialize(desc_.Clone(), kSessionId, kSessionVersion));
std::string sdp_with_data = kSdpString;
// Append m= attributes
sdp_with_data.append(kSdpSctpDataChannelString);
// Append a=sctp-port attribute
sdp_with_data.append("a=sctp-port 5000\r\n");
JsepSessionDescription jdesc_output(kDummyType);
EXPECT_FALSE(SdpDeserialize(sdp_with_data, &jdesc_output));
}
// Test behavior if a=rtpmap occurs in an SCTP section.
TEST_F(WebRtcSdpTest, DeserializeSdpWithRtpmapAttribute) {
std::string sdp_with_data = kSdpString;
// Append m= attributes
sdp_with_data.append(kSdpSctpDataChannelString);
// Append a=rtpmap attribute
sdp_with_data.append("a=rtpmap:111 opus/48000/2\r\n");
JsepSessionDescription jdesc_output(kDummyType);
// Correct behavior is to ignore the extra attribute.
EXPECT_TRUE(SdpDeserialize(sdp_with_data, &jdesc_output));
}
TEST_F(WebRtcSdpTest, DeserializeSdpWithStrangeApplicationProtocolNames) {
static const char* bad_strings[] = {"DTLS/SCTPRTP/", "obviously-bogus",
"UDP/TL/RTSP/SAVPF", "UDP/TL/RTSP/S"};
for (auto proto : bad_strings) {
std::string sdp_with_data = kSdpString;
sdp_with_data.append("m=application 9 ");
sdp_with_data.append(proto);
sdp_with_data.append(" 47\r\n");
JsepSessionDescription jdesc_output(kDummyType);
EXPECT_FALSE(SdpDeserialize(sdp_with_data, &jdesc_output))
<< "Parsing should have failed on " << proto;
}
// The following strings are strange, but acceptable as RTP.
static const char* weird_strings[] = {"DTLS/SCTP/RTP/FOO",
"obviously-bogus/RTP/"};
for (auto proto : weird_strings) {
std::string sdp_with_data = kSdpString;
sdp_with_data.append("m=application 9 ");
sdp_with_data.append(proto);
sdp_with_data.append(" 47\r\n");
JsepSessionDescription jdesc_output(kDummyType);
EXPECT_TRUE(SdpDeserialize(sdp_with_data, &jdesc_output))
<< "Parsing should have succeeded on " << proto;
}
}
// For crbug/344475.
TEST_F(WebRtcSdpTest, DeserializeSdpWithCorruptedSctpDataChannels) {
std::string sdp_with_data = kSdpString;
sdp_with_data.append(kSdpSctpDataChannelString);
// Remove the "\n" at the end.
sdp_with_data = sdp_with_data.substr(0, sdp_with_data.size() - 1);
JsepSessionDescription jdesc_output(kDummyType);
EXPECT_FALSE(SdpDeserialize(sdp_with_data, &jdesc_output));
// No crash is a pass.
}
TEST_F(WebRtcSdpTest, DeserializeSdpWithSctpDataChannelAndUnusualPort) {
bool use_sctpmap = true;
AddSctpDataChannel(use_sctpmap);
// First setup the expected JsepSessionDescription.
JsepSessionDescription jdesc(kDummyType);
MutateJsepSctpPort(&jdesc, desc_, kUnusualSctpPort);
// Then get the deserialized JsepSessionDescription.
std::string sdp_with_data = kSdpString;
sdp_with_data.append(kSdpSctpDataChannelString);
absl::StrReplaceAll(
{{rtc::ToString(kDefaultSctpPort), rtc::ToString(kUnusualSctpPort)}},
&sdp_with_data);
JsepSessionDescription jdesc_output(kDummyType);
EXPECT_TRUE(SdpDeserialize(sdp_with_data, &jdesc_output));
EXPECT_TRUE(CompareSessionDescription(jdesc, jdesc_output));
}
TEST_F(WebRtcSdpTest,
DeserializeSdpWithSctpDataChannelAndUnusualPortInAttribute) {
bool use_sctpmap = false;
AddSctpDataChannel(use_sctpmap);
JsepSessionDescription jdesc(kDummyType);
MutateJsepSctpPort(&jdesc, desc_, kUnusualSctpPort);
// We need to test the deserialized JsepSessionDescription from
// kSdpSctpDataChannelStringWithSctpPort for
// draft-ietf-mmusic-sctp-sdp-07
// a=sctp-port
std::string sdp_with_data = kSdpString;
sdp_with_data.append(kSdpSctpDataChannelStringWithSctpPort);
absl::StrReplaceAll(
{{rtc::ToString(kDefaultSctpPort), rtc::ToString(kUnusualSctpPort)}},
&sdp_with_data);
JsepSessionDescription jdesc_output(kDummyType);
EXPECT_TRUE(SdpDeserialize(sdp_with_data, &jdesc_output));
EXPECT_TRUE(CompareSessionDescription(jdesc, jdesc_output));
}
TEST_F(WebRtcSdpTest, 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(kDummyType);
EXPECT_FALSE(SdpDeserialize(sdp_with_bandwidth, &jdesc_with_bandwidth));
}
TEST_F(WebRtcSdpTest, DeserializeSdpWithSctpDataChannelsAndBandwidth) {
bool use_sctpmap = true;
AddSctpDataChannel(use_sctpmap);
JsepSessionDescription jdesc(kDummyType);
SctpDataContentDescription* dcd = GetFirstSctpDataContentDescription(&desc_);
dcd->set_bandwidth(100 * 1000);
ASSERT_TRUE(jdesc.Initialize(desc_.Clone(), kSessionId, kSessionVersion));
std::string sdp_with_bandwidth = kSdpString;
sdp_with_bandwidth.append(kSdpSctpDataChannelString);
InjectAfter("a=mid:data_content_name\r\n", "b=AS:100\r\n",
&sdp_with_bandwidth);
JsepSessionDescription jdesc_with_bandwidth(kDummyType);
// SCTP has congestion control, so we shouldn't limit the bandwidth
// as we do for RTP.
EXPECT_TRUE(SdpDeserialize(sdp_with_bandwidth, &jdesc_with_bandwidth));
EXPECT_TRUE(CompareSessionDescription(jdesc, jdesc_with_bandwidth));
}
class WebRtcSdpExtmapTest : public WebRtcSdpTest,
public ::testing::WithParamInterface<bool> {};
TEST_P(WebRtcSdpExtmapTest,
DeserializeSessionDescriptionWithSessionLevelExtmap) {
bool encrypted = GetParam();
TestDeserializeExtmap(true, false, encrypted);
}
TEST_P(WebRtcSdpExtmapTest, DeserializeSessionDescriptionWithMediaLevelExtmap) {
bool encrypted = GetParam();
TestDeserializeExtmap(false, true, encrypted);
}
TEST_P(WebRtcSdpExtmapTest, DeserializeSessionDescriptionWithInvalidExtmap) {
bool encrypted = GetParam();
TestDeserializeExtmap(true, true, encrypted);
}
INSTANTIATE_TEST_SUITE_P(Encrypted,
WebRtcSdpExtmapTest,
::testing::Values(false, true));
TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionWithoutEndLineBreak) {
JsepSessionDescription jdesc(kDummyType);
std::string sdp = kSdpFullString;
sdp = sdp.substr(0, sdp.size() - 2); // Remove \r\n at the end.
// Deserialize
SdpParseError error;
EXPECT_FALSE(webrtc::SdpDeserialize(sdp, &jdesc, &error));
const std::string lastline = "a=ssrc:3 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(kDummyType);
// Deserialize
EXPECT_TRUE(SdpDeserialize(kSdpConferenceString, &jdesc));
// Verify
cricket::AudioContentDescription* audio =
cricket::GetFirstAudioContentDescription(jdesc.description());
EXPECT_TRUE(audio->conference_mode());
cricket::VideoContentDescription* video =
cricket::GetFirstVideoContentDescription(jdesc.description());
EXPECT_TRUE(video->conference_mode());
}
TEST_F(WebRtcSdpTest, SerializeSdpWithConferenceFlag) {
JsepSessionDescription jdesc(kDummyType);
// We tested deserialization already above, so just test that if we serialize
// and deserialize the flag doesn't disappear.
EXPECT_TRUE(SdpDeserialize(kSdpConferenceString, &jdesc));
std::string reserialized = webrtc::SdpSerialize(jdesc);
EXPECT_TRUE(SdpDeserialize(reserialized, &jdesc));
// Verify.
cricket::AudioContentDescription* audio =
cricket::GetFirstAudioContentDescription(jdesc.description());
EXPECT_TRUE(audio->conference_mode());
cricket::VideoContentDescription* video =
cricket::GetFirstVideoContentDescription(jdesc.description());
EXPECT_TRUE(video->conference_mode());
}
TEST_F(WebRtcSdpTest, 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(kDummyType);
const char kSdpWithReorderedPlTypesString[] =
"v=0\r\n"
"o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
"s=-\r\n"
"t=0 0\r\n"
"m=audio 9 RTP/SAVPF 104 103\r\n" // Pl type 104 preferred.
"a=rtpmap:111 opus/48000/2\r\n" // Pltype 111 listed before 103 and 104
// in the map.
"a=rtpmap:103 ISAC/16000\r\n" // Pltype 103 listed before 104 in the map.
"a=rtpmap:104 ISAC/32000\r\n";
// Deserialize
EXPECT_TRUE(SdpDeserialize(kSdpWithReorderedPlTypesString, &jdesc_output));
const AudioContentDescription* acd =
GetFirstAudioContentDescription(jdesc_output.description());
ASSERT_TRUE(acd);
ASSERT_FALSE(acd->codecs().empty());
EXPECT_EQ("ISAC", acd->codecs()[0].name);
EXPECT_EQ(32000, acd->codecs()[0].clockrate);
EXPECT_EQ(104, acd->codecs()[0].id);
}
TEST_F(WebRtcSdpTest, DeserializeSerializeCodecParams) {
JsepSessionDescription jdesc_output(kDummyType);
CodecParams params;
params.max_ptime = 40;
params.ptime = 30;
params.min_ptime = 10;
params.sprop_stereo = 1;
params.stereo = 1;
params.useinband = 1;
params.maxaveragebitrate = 128000;
TestDeserializeCodecParams(params, &jdesc_output);
TestSerialize(jdesc_output);
}
TEST_F(WebRtcSdpTest, DeserializeSerializeRtcpFb) {
const bool kUseWildcard = false;
JsepSessionDescription jdesc_output(kDummyType);
TestDeserializeRtcpFb(&jdesc_output, kUseWildcard);
TestSerialize(jdesc_output);
}
TEST_F(WebRtcSdpTest, DeserializeSerializeRtcpFbWildcard) {
const bool kUseWildcard = true;
JsepSessionDescription jdesc_output(kDummyType);
TestDeserializeRtcpFb(&jdesc_output, kUseWildcard);
TestSerialize(jdesc_output);
}
TEST_F(WebRtcSdpTest, DeserializeVideoFmtp) {
JsepSessionDescription jdesc_output(kDummyType);
const char kSdpWithFmtpString[] =
"v=0\r\n"
"o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
"s=-\r\n"
"t=0 0\r\n"
"m=video 3457 RTP/SAVPF 120\r\n"
"a=rtpmap:120 VP8/90000\r\n"
"a=fmtp:120 x-google-min-bitrate=10;x-google-max-quantization=40\r\n";
// Deserialize
SdpParseError error;
EXPECT_TRUE(
webrtc::SdpDeserialize(kSdpWithFmtpString, &jdesc_output, &error));
const VideoContentDescription* vcd =
GetFirstVideoContentDescription(jdesc_output.description());
ASSERT_TRUE(vcd);
ASSERT_FALSE(vcd->codecs().empty());
cricket::VideoCodec vp8 = vcd->codecs()[0];
EXPECT_EQ("VP8", vp8.name);
EXPECT_EQ(120, vp8.id);
cricket::CodecParameterMap::iterator found =
vp8.params.find("x-google-min-bitrate");
ASSERT_TRUE(found != vp8.params.end());
EXPECT_EQ(found->second, "10");
found = vp8.params.find("x-google-max-quantization");
ASSERT_TRUE(found != vp8.params.end());
EXPECT_EQ(found->second, "40");
}
TEST_F(WebRtcSdpTest, DeserializeVideoFmtpWithSprops) {
JsepSessionDescription jdesc_output(kDummyType);
const char kSdpWithFmtpString[] =
"v=0\r\n"
"o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
"s=-\r\n"
"t=0 0\r\n"
"m=video 49170 RTP/AVP 98\r\n"
"a=rtpmap:98 H264/90000\r\n"
"a=fmtp:98 profile-level-id=42A01E; "
"sprop-parameter-sets=Z0IACpZTBYmI,aMljiA==\r\n";
// Deserialize.
SdpParseError error;
EXPECT_TRUE(
webrtc::SdpDeserialize(kSdpWithFmtpString, &jdesc_output, &error));
const VideoContentDescription* vcd =
GetFirstVideoContentDescription(jdesc_output.description());
ASSERT_TRUE(vcd);
ASSERT_FALSE(vcd->codecs().empty());
cricket::VideoCodec h264 = vcd->codecs()[0];
EXPECT_EQ("H264", h264.name);
EXPECT_EQ(98, h264.id);
cricket::CodecParameterMap::const_iterator found =
h264.params.find("profile-level-id");
ASSERT_TRUE(found != h264.params.end());
EXPECT_EQ(found->second, "42A01E");
found = h264.params.find("sprop-parameter-sets");
ASSERT_TRUE(found != h264.params.end());
EXPECT_EQ(found->second, "Z0IACpZTBYmI,aMljiA==");
}
TEST_F(WebRtcSdpTest, DeserializeVideoFmtpWithSpace) {
JsepSessionDescription jdesc_output(kDummyType);
const char kSdpWithFmtpString[] =
"v=0\r\n"
"o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
"s=-\r\n"
"t=0 0\r\n"
"m=video 3457 RTP/SAVPF 120\r\n"
"a=rtpmap:120 VP8/90000\r\n"
"a=fmtp:120 x-google-min-bitrate=10; x-google-max-quantization=40\r\n";
// Deserialize
SdpParseError error;
EXPECT_TRUE(
webrtc::SdpDeserialize(kSdpWithFmtpString, &jdesc_output, &error));
const VideoContentDescription* vcd =
GetFirstVideoContentDescription(jdesc_output.description());
ASSERT_TRUE(vcd);
ASSERT_FALSE(vcd->codecs().empty());
cricket::VideoCodec vp8 = vcd->codecs()[0];
EXPECT_EQ("VP8", vp8.name);
EXPECT_EQ(120, vp8.id);
cricket::CodecParameterMap::iterator found =
vp8.params.find("x-google-min-bitrate");
ASSERT_TRUE(found != vp8.params.end());
EXPECT_EQ(found->second, "10");
found = vp8.params.find("x-google-max-quantization");
ASSERT_TRUE(found != vp8.params.end());
EXPECT_EQ(found->second, "40");
}
TEST_F(WebRtcSdpTest, SerializeAudioFmtpWithUnknownParameter) {
AudioContentDescription* acd = GetFirstAudioContentDescription(&desc_);
cricket::AudioCodecs codecs = acd->codecs();
codecs[0].params["unknown-future-parameter"] = "SomeFutureValue";
acd->set_codecs(codecs);
ASSERT_TRUE(jdesc_.Initialize(desc_.Clone(), jdesc_.session_id(),
jdesc_.session_version()));
std::string message = webrtc::SdpSerialize(jdesc_);
std::string sdp_with_fmtp = kSdpFullString;
InjectAfter("a=rtpmap:111 opus/48000/2\r\n",
"a=fmtp:111 unknown-future-parameter=SomeFutureValue\r\n",
&sdp_with_fmtp);
EXPECT_EQ(sdp_with_fmtp, message);
}
TEST_F(WebRtcSdpTest, SerializeAudioFmtpWithKnownFmtpParameter) {
AudioContentDescription* acd = GetFirstAudioContentDescription(&desc_);
cricket::AudioCodecs codecs = acd->codecs();
codecs[0].params["stereo"] = "1";
acd->set_codecs(codecs);
ASSERT_TRUE(jdesc_.Initialize(desc_.Clone(), jdesc_.session_id(),
jdesc_.session_version()));
std::string message = webrtc::SdpSerialize(jdesc_);
std::string sdp_with_fmtp = kSdpFullString;
InjectAfter("a=rtpmap:111 opus/48000/2\r\n", "a=fmtp:111 stereo=1\r\n",
&sdp_with_fmtp);
EXPECT_EQ(sdp_with_fmtp, message);
}
TEST_F(WebRtcSdpTest, SerializeAudioFmtpWithPTimeAndMaxPTime) {
AudioContentDescription* acd = GetFirstAudioContentDescription(&desc_);
cricket::AudioCodecs codecs = acd->codecs();
codecs[0].params["ptime"] = "20";
codecs[0].params["maxptime"] = "120";
acd->set_codecs(codecs);
ASSERT_TRUE(jdesc_.Initialize(desc_.Clone(), jdesc_.session_id(),
jdesc_.session_version()));
std::string message = webrtc::SdpSerialize(jdesc_);
std::string sdp_with_fmtp = kSdpFullString;
InjectAfter("a=rtpmap:104 ISAC/32000\r\n",
"a=maxptime:120\r\n" // No comma here. String merging!
"a=ptime:20\r\n",
&sdp_with_fmtp);
EXPECT_EQ(sdp_with_fmtp, message);
}
TEST_F(WebRtcSdpTest, SerializeVideoFmtp) {
VideoContentDescription* vcd = GetFirstVideoContentDescription(&desc_);
cricket::VideoCodecs codecs = vcd->codecs();
codecs[0].params["x-google-min-bitrate"] = "10";
vcd->set_codecs(codecs);
ASSERT_TRUE(jdesc_.Initialize(desc_.Clone(), jdesc_.session_id(),
jdesc_.session_version()));
std::string message = webrtc::SdpSerialize(jdesc_);
std::string sdp_with_fmtp = kSdpFullString;
InjectAfter("a=rtpmap:120 VP8/90000\r\n",
"a=fmtp:120 x-google-min-bitrate=10\r\n", &sdp_with_fmtp);
EXPECT_EQ(sdp_with_fmtp, message);
}
TEST_F(WebRtcSdpTest, DeserializeAndSerializeSdpWithIceLite) {
// Deserialize the baseline description, making sure it's ICE full.
JsepSessionDescription jdesc_with_icelite(kDummyType);
std::string sdp_with_icelite = kSdpFullString;
EXPECT_TRUE(SdpDeserialize(sdp_with_icelite, &jdesc_with_icelite));
cricket::SessionDescription* desc = jdesc_with_icelite.description();
const cricket::TransportInfo* tinfo1 =
desc->GetTransportInfoByName("audio_content_name");
EXPECT_EQ(cricket::ICEMODE_FULL, tinfo1->description.ice_mode);
const cricket::TransportInfo* tinfo2 =
desc->GetTransportInfoByName("video_content_name");
EXPECT_EQ(cricket::ICEMODE_FULL, tinfo2->description.ice_mode);
// Add "a=ice-lite" and deserialize, making sure it's ICE lite.
InjectAfter(kSessionTime, "a=ice-lite\r\n", &sdp_with_icelite);
EXPECT_TRUE(SdpDeserialize(sdp_with_icelite, &jdesc_with_icelite));
desc = jdesc_with_icelite.description();
const cricket::TransportInfo* atinfo =
desc->GetTransportInfoByName("audio_content_name");
EXPECT_EQ(cricket::ICEMODE_LITE, atinfo->description.ice_mode);
const cricket::TransportInfo* vtinfo =
desc->GetTransportInfoByName("video_content_name");
EXPECT_EQ(cricket::ICEMODE_LITE, vtinfo->description.ice_mode);
// Now that we know deserialization works, we can use TestSerialize to test
// serialization.
TestSerialize(jdesc_with_icelite);
}
// Verifies that the candidates in the input SDP are parsed and serialized
// correctly in the output SDP.
TEST_F(WebRtcSdpTest, RoundTripSdpWithSctpDataChannelsWithCandidates) {
std::string sdp_with_data = kSdpString;
sdp_with_data.append(kSdpSctpDataChannelWithCandidatesString);
JsepSessionDescription jdesc_output(kDummyType);
EXPECT_TRUE(SdpDeserialize(sdp_with_data, &jdesc_output));
EXPECT_EQ(sdp_with_data, webrtc::SdpSerialize(jdesc_output));
}
TEST_F(WebRtcSdpTest, SerializeDtlsSetupAttribute) {
AddFingerprint();
TransportInfo audio_transport_info =
*(desc_.GetTransportInfoByName(kAudioContentName));
EXPECT_EQ(cricket::CONNECTIONROLE_NONE,
audio_transport_info.description.connection_role);
audio_transport_info.description.connection_role =
cricket::CONNECTIONROLE_ACTIVE;
TransportInfo video_transport_info =
*(desc_.GetTransportInfoByName(kVideoContentName));
EXPECT_EQ(cricket::CONNECTIONROLE_NONE,
video_transport_info.description.connection_role);
video_transport_info.description.connection_role =
cricket::CONNECTIONROLE_ACTIVE;
desc_.RemoveTransportInfoByName(kAudioContentName);
desc_.RemoveTransportInfoByName(kVideoContentName);
desc_.AddTransportInfo(audio_transport_info);
desc_.AddTransportInfo(video_transport_info);
ASSERT_TRUE(jdesc_.Initialize(desc_.Clone(), jdesc_.session_id(),
jdesc_.session_version()));
std::string message = webrtc::SdpSerialize(jdesc_);
std::string sdp_with_dtlssetup = kSdpFullString;
// Fingerprint attribute is necessary to add DTLS setup attribute.
InjectAfter(kAttributeIcePwdVoice, kFingerprint, &sdp_with_dtlssetup);
InjectAfter(kAttributeIcePwdVideo, kFingerprint, &sdp_with_dtlssetup);
// Now adding |setup| attribute.
InjectAfter(kFingerprint, "a=setup:active\r\n", &sdp_with_dtlssetup);
EXPECT_EQ(sdp_with_dtlssetup, message);
}
TEST_F(WebRtcSdpTest, DeserializeDtlsSetupAttribute) {
JsepSessionDescription jdesc_with_dtlssetup(kDummyType);
std::string sdp_with_dtlssetup = kSdpFullString;
InjectAfter(kSessionTime, "a=setup:actpass\r\n", &sdp_with_dtlssetup);
EXPECT_TRUE(SdpDeserialize(sdp_with_dtlssetup, &jdesc_with_dtlssetup));
cricket::SessionDescription* desc = jdesc_with_dtlssetup.description();
const cricket::TransportInfo* atinfo =
desc->GetTransportInfoByName("audio_content_name");
EXPECT_EQ(cricket::CONNECTIONROLE_ACTPASS,
atinfo->description.connection_role);
const cricket::TransportInfo* vtinfo =
desc->GetTransportInfoByName("video_content_name");
EXPECT_EQ(cricket::CONNECTIONROLE_ACTPASS,
vtinfo->description.connection_role);
}
// Verifies that the order of the serialized m-lines follows the order of the
// ContentInfo in SessionDescription, and vise versa for deserialization.
TEST_F(WebRtcSdpTest, MediaContentOrderMaintainedRoundTrip) {
JsepSessionDescription jdesc(kDummyType);
const std::string media_content_sdps[3] = {kSdpAudioString, kSdpVideoString,
kSdpSctpDataChannelString};
const cricket::MediaType media_types[3] = {cricket::MEDIA_TYPE_AUDIO,
cricket::MEDIA_TYPE_VIDEO,
cricket::MEDIA_TYPE_DATA};
// Verifies all 6 permutations.
for (size_t i = 0; i < 6; ++i) {
size_t media_content_in_sdp[3];
// The index of the first media content.
media_content_in_sdp[0] = i / 2;
// The index of the second media content.
media_content_in_sdp[1] = (media_content_in_sdp[0] + i % 2 + 1) % 3;
// The index of the third media content.
media_content_in_sdp[2] = (media_content_in_sdp[0] + (i + 1) % 2 + 1) % 3;
std::string sdp_string = kSdpSessionString;
for (size_t i = 0; i < 3; ++i)
sdp_string += media_content_sdps[media_content_in_sdp[i]];
EXPECT_TRUE(SdpDeserialize(sdp_string, &jdesc));
cricket::SessionDescription* desc = jdesc.description();
EXPECT_EQ(3u, desc->contents().size());
for (size_t i = 0; i < 3; ++i) {
const cricket::MediaContentDescription* mdesc =
desc->contents()[i].media_description();
EXPECT_EQ(media_types[media_content_in_sdp[i]], mdesc->type());
}
std::string serialized_sdp = webrtc::SdpSerialize(jdesc);
EXPECT_EQ(sdp_string, serialized_sdp);
}
}
TEST_F(WebRtcSdpTest, DeserializeBundleOnlyAttribute) {
MakeBundleOnlyDescription();
JsepSessionDescription deserialized_description(kDummyType);
ASSERT_TRUE(
SdpDeserialize(kBundleOnlySdpFullString, &deserialized_description));
EXPECT_TRUE(CompareSessionDescription(jdesc_, deserialized_description));
}
// The semantics of "a=bundle-only" are only defined when it's used in
// combination with a 0 port on the m= line. We should ignore it if used with a
// nonzero port.
TEST_F(WebRtcSdpTest, IgnoreBundleOnlyWithNonzeroPort) {
// Make the base bundle-only description but unset the bundle-only flag.
MakeBundleOnlyDescription();
jdesc_.description()->contents()[1].bundle_only = false;
std::string modified_sdp = kBundleOnlySdpFullString;
Replace("m=video 0", "m=video 9", &modified_sdp);
JsepSessionDescription deserialized_description(kDummyType);
ASSERT_TRUE(SdpDeserialize(modified_sdp, &deserialized_description));
EXPECT_TRUE(CompareSessionDescription(jdesc_, deserialized_description));
}
TEST_F(WebRtcSdpTest, SerializeBundleOnlyAttribute) {
MakeBundleOnlyDescription();
TestSerialize(jdesc_);
}
TEST_F(WebRtcSdpTest, DeserializePlanBSessionDescription) {
MakePlanBDescription();
JsepSessionDescription deserialized_description(kDummyType);
EXPECT_TRUE(SdpDeserialize(kPlanBSdpFullString, &deserialized_description));
EXPECT_TRUE(CompareSessionDescription(jdesc_, deserialized_description));
}
TEST_F(WebRtcSdpTest, SerializePlanBSessionDescription) {
MakePlanBDescription();
TestSerialize(jdesc_);
}
TEST_F(WebRtcSdpTest, DeserializeUnifiedPlanSessionDescription) {
MakeUnifiedPlanDescription();
JsepSessionDescription deserialized_description(kDummyType);
EXPECT_TRUE(
SdpDeserialize(kUnifiedPlanSdpFullString, &deserialized_description));
EXPECT_TRUE(CompareSessionDescription(jdesc_, deserialized_description));
}
TEST_F(WebRtcSdpTest, SerializeUnifiedPlanSessionDescription) {
MakeUnifiedPlanDescription();
TestSerialize(jdesc_);
}
// This tests deserializing a Unified Plan SDP that is compatible with both
// Unified Plan and Plan B style SDP, meaning that it contains both "a=ssrc
// msid" lines and "a=msid " lines. It tests the case for audio/video tracks
// with no stream ids and multiple stream ids. For parsing this, the Unified
// Plan a=msid lines should take priority, because the Plan B style a=ssrc msid
// lines do not support multiple stream ids and no stream ids.
TEST_F(WebRtcSdpTest, DeserializeSessionDescriptionSpecialMsid) {
// Create both msid lines for Plan B and Unified Plan support.
MakeUnifiedPlanDescriptionMultipleStreamIds(
cricket::kMsidSignalingMediaSection |
cricket::kMsidSignalingSsrcAttribute);
JsepSessionDescription deserialized_description(kDummyType);
EXPECT_TRUE(SdpDeserialize(kUnifiedPlanSdpFullStringWithSpecialMsid,
&deserialized_description));
EXPECT_TRUE(CompareSessionDescription(jdesc_, deserialized_description));
EXPECT_EQ(cricket::kMsidSignalingMediaSection |
cricket::kMsidSignalingSsrcAttribute,
deserialized_description.description()->msid_signaling());
}
// Tests the serialization of a Unified Plan SDP that is compatible for both
// Unified Plan and Plan B style SDPs, meaning that it contains both "a=ssrc
// msid" lines and "a=msid " lines. It tests the case for no stream ids and
// multiple stream ids.
TEST_F(WebRtcSdpTest, SerializeSessionDescriptionSpecialMsid) {
// Create both msid lines for Plan B and Unified Plan support.
MakeUnifiedPlanDescriptionMultipleStreamIds(
cricket::kMsidSignalingMediaSection |
cricket::kMsidSignalingSsrcAttribute);
std::string serialized_sdp = webrtc::SdpSerialize(jdesc_);
// We explicitly test that the serialized SDP string is equal to the hard
// coded SDP string. This is necessary, because in the parser "a=msid" lines
// take priority over "a=ssrc msid" lines. This means if we just used
// TestSerialize(), it could serialize an SDP that omits "a=ssrc msid" lines,
// and still pass, because the deserialized version would be the same.
EXPECT_EQ(kUnifiedPlanSdpFullStringWithSpecialMsid, serialized_sdp);
}
// Tests that a Unified Plan style SDP (does not contain "a=ssrc msid" lines
// that signal stream IDs) is deserialized appropriately. It tests the case for
// no stream ids and multiple stream ids.
TEST_F(WebRtcSdpTest, UnifiedPlanDeserializeSessionDescriptionSpecialMsid) {
// Only create a=msid lines for strictly Unified Plan stream ID support.
MakeUnifiedPlanDescriptionMultipleStreamIds(
cricket::kMsidSignalingMediaSection);
JsepSessionDescription deserialized_description(kDummyType);
std::string unified_plan_sdp_string =
kUnifiedPlanSdpFullStringWithSpecialMsid;
RemoveSsrcMsidLinesFromSdpString(&unified_plan_sdp_string);
EXPECT_TRUE(
SdpDeserialize(unified_plan_sdp_string, &deserialized_description));
EXPECT_TRUE(CompareSessionDescription(jdesc_, deserialized_description));
}
// Tests that a Unified Plan style SDP (does not contain "a=ssrc msid" lines
// that signal stream IDs) is serialized appropriately. It tests the case for no
// stream ids and multiple stream ids.
TEST_F(WebRtcSdpTest, UnifiedPlanSerializeSessionDescriptionSpecialMsid) {
// Only create a=msid lines for strictly Unified Plan stream ID support.
MakeUnifiedPlanDescriptionMultipleStreamIds(
cricket::kMsidSignalingMediaSection);
TestSerialize(jdesc_);
}
// This tests that a Unified Plan SDP with no a=ssrc lines is
// serialized/deserialized appropriately. In this case the
// MediaContentDescription will contain a StreamParams object that doesn't have
// any SSRCs. Vice versa, this will be created upon deserializing an SDP with no
// SSRC lines.
TEST_F(WebRtcSdpTest, DeserializeUnifiedPlanSessionDescriptionNoSsrcSignaling) {
MakeUnifiedPlanDescription();
RemoveSsrcSignalingFromStreamParams();
std::string unified_plan_sdp_string = kUnifiedPlanSdpFullString;
RemoveSsrcLinesFromSdpString(&unified_plan_sdp_string);
JsepSessionDescription deserialized_description(kDummyType);
EXPECT_TRUE(
SdpDeserialize(unified_plan_sdp_string, &deserialized_description));
EXPECT_TRUE(CompareSessionDescription(jdesc_, deserialized_description));
}
TEST_F(WebRtcSdpTest, SerializeUnifiedPlanSessionDescriptionNoSsrcSignaling) {
MakeUnifiedPlanDescription();
RemoveSsrcSignalingFromStreamParams();
TestSerialize(jdesc_);
}
TEST_F(WebRtcSdpTest, EmptyDescriptionHasNoMsidSignaling) {
JsepSessionDescription jsep_desc(kDummyType);
ASSERT_TRUE(SdpDeserialize(kSdpSessionString, &jsep_desc));
EXPECT_EQ(0, jsep_desc.description()->msid_signaling());
}
TEST_F(WebRtcSdpTest, DataChannelOnlyHasNoMsidSignaling) {
JsepSessionDescription jsep_desc(kDummyType);
std::string sdp = kSdpSessionString;
sdp += kSdpSctpDataChannelString;
ASSERT_TRUE(SdpDeserialize(sdp, &jsep_desc));
EXPECT_EQ(0, jsep_desc.description()->msid_signaling());
}
TEST_F(WebRtcSdpTest, PlanBHasSsrcAttributeMsidSignaling) {
JsepSessionDescription jsep_desc(kDummyType);
ASSERT_TRUE(SdpDeserialize(kPlanBSdpFullString, &jsep_desc));
EXPECT_EQ(cricket::kMsidSignalingSsrcAttribute,
jsep_desc.description()->msid_signaling());
}
TEST_F(WebRtcSdpTest, UnifiedPlanHasMediaSectionMsidSignaling) {
JsepSessionDescription jsep_desc(kDummyType);
ASSERT_TRUE(SdpDeserialize(kUnifiedPlanSdpFullString, &jsep_desc));
EXPECT_EQ(cricket::kMsidSignalingMediaSection,
jsep_desc.description()->msid_signaling());
}
const char kMediaSectionMsidLine[] = "a=msid:local_stream_1 audio_track_id_1";
const char kSsrcAttributeMsidLine[] =
"a=ssrc:1 msid:local_stream_1 audio_track_id_1";
TEST_F(WebRtcSdpTest, SerializeOnlyMediaSectionMsid) {
jdesc_.description()->set_msid_signaling(cricket::kMsidSignalingMediaSection);
std::string sdp = webrtc::SdpSerialize(jdesc_);
EXPECT_NE(std::string::npos, sdp.find(kMediaSectionMsidLine));
EXPECT_EQ(std::string::npos, sdp.find(kSsrcAttributeMsidLine));
}
TEST_F(WebRtcSdpTest, SerializeOnlySsrcAttributeMsid) {
jdesc_.description()->set_msid_signaling(
cricket::kMsidSignalingSsrcAttribute);
std::string sdp = webrtc::SdpSerialize(jdesc_);
EXPECT_EQ(std::string::npos, sdp.find(kMediaSectionMsidLine));
EXPECT_NE(std::string::npos, sdp.find(kSsrcAttributeMsidLine));
}
TEST_F(WebRtcSdpTest, SerializeBothMediaSectionAndSsrcAttributeMsid) {
jdesc_.description()->set_msid_signaling(
cricket::kMsidSignalingMediaSection |
cricket::kMsidSignalingSsrcAttribute);
std::string sdp = webrtc::SdpSerialize(jdesc_);
EXPECT_NE(std::string::npos, sdp.find(kMediaSectionMsidLine));
EXPECT_NE(std::string::npos, sdp.find(kSsrcAttributeMsidLine));
}
// Regression test for heap overflow bug:
// https://bugs.chromium.org/p/chromium/issues/detail?id=647916
TEST_F(WebRtcSdpTest, DeserializeSctpPortInVideoDescription) {
// The issue occurs when the sctp-port attribute is found in a video
// description. The actual heap overflow occurs when parsing the fmtp line.
static const char kSdpWithSctpPortInVideoDescription[] =
"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 9 UDP/DTLS/SCTP 120\r\n"
"a=sctp-port 5000\r\n"
"a=fmtp:108 foo=10\r\n";
ExpectParseFailure(std::string(kSdpWithSctpPortInVideoDescription),
"sctp-port");
}
// Regression test for integer overflow bug:
// https://bugs.chromium.org/p/chromium/issues/detail?id=648071
TEST_F(WebRtcSdpTest, DeserializeLargeBandwidthLimit) {
// Bandwidth attribute is the max signed 32-bit int, which will get
// multiplied by 1000 and cause int overflow if not careful.
static const char kSdpWithLargeBandwidth[] =
"v=0\r\n"
"o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
"s=-\r\n"
"t=0 0\r\n"
"m=video 3457 RTP/SAVPF 120\r\n"
"b=AS:2147483647\r\n"
"foo=fail\r\n";
ExpectParseFailure(std::string(kSdpWithLargeBandwidth), "foo=fail");
}
// Similar to the above, except that negative values are illegal, not just
// error-prone as large values are.
// https://bugs.chromium.org/p/chromium/issues/detail?id=675361
TEST_F(WebRtcSdpTest, DeserializingNegativeBandwidthLimitFails) {
static const char kSdpWithNegativeBandwidth[] =
"v=0\r\n"
"o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
"s=-\r\n"
"t=0 0\r\n"
"m=video 3457 RTP/SAVPF 120\r\n"
"b=AS:-1000\r\n";
ExpectParseFailure(std::string(kSdpWithNegativeBandwidth), "b=AS:-1000");
}
// An exception to the above rule: a value of -1 for b=AS should just be
// ignored, resulting in "kAutoBandwidth" in the deserialized object.
// Applications historically may be using "b=AS:-1" to mean "no bandwidth
// limit", but this is now what ommitting the attribute entirely will do, so
// ignoring it will have the intended effect.
TEST_F(WebRtcSdpTest, BandwidthLimitOfNegativeOneIgnored) {
static const char kSdpWithBandwidthOfNegativeOne[] =
"v=0\r\n"
"o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
"s=-\r\n"
"t=0 0\r\n"
"m=video 3457 RTP/SAVPF 120\r\n"
"b=AS:-1\r\n";
JsepSessionDescription jdesc_output(kDummyType);
EXPECT_TRUE(SdpDeserialize(kSdpWithBandwidthOfNegativeOne, &jdesc_output));
const VideoContentDescription* vcd =
GetFirstVideoContentDescription(jdesc_output.description());
ASSERT_TRUE(vcd);
EXPECT_EQ(cricket::kAutoBandwidth, vcd->bandwidth());
}
// Test that "ufrag"/"pwd" in the candidate line itself are ignored, and only
// the "a=ice-ufrag"/"a=ice-pwd" attributes are used.
// Regression test for:
// https://bugs.chromium.org/p/chromium/issues/detail?id=681286
TEST_F(WebRtcSdpTest, IceCredentialsInCandidateStringIgnored) {
// Important piece is "ufrag foo pwd bar".
static const char kSdpWithIceCredentialsInCandidateString[] =
"v=0\r\n"
"o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
"s=-\r\n"
"t=0 0\r\n"
"m=audio 9 RTP/SAVPF 111\r\n"
"c=IN IP4 0.0.0.0\r\n"
"a=rtcp:9 IN IP4 0.0.0.0\r\n"
"a=ice-ufrag:ufrag_voice\r\na=ice-pwd:pwd_voice\r\n"
"a=rtpmap:111 opus/48000/2\r\n"
"a=candidate:a0+B/1 1 udp 2130706432 192.168.1.5 1234 typ host "
"generation 2 ufrag foo pwd bar\r\n";
JsepSessionDescription jdesc_output(kDummyType);
EXPECT_TRUE(
SdpDeserialize(kSdpWithIceCredentialsInCandidateString, &jdesc_output));
const IceCandidateCollection* candidates = jdesc_output.candidates(0);
ASSERT_NE(nullptr, candidates);
ASSERT_EQ(1U, candidates->count());
cricket::Candidate c = candidates->at(0)->candidate();
EXPECT_EQ("ufrag_voice", c.username());
EXPECT_EQ("pwd_voice", c.password());
}
// Test that attribute lines "a=ice-ufrag-something"/"a=ice-pwd-something" are
// ignored, and only the "a=ice-ufrag"/"a=ice-pwd" attributes are used.
// Regression test for:
// https://bugs.chromium.org/p/webrtc/issues/detail?id=9712
TEST_F(WebRtcSdpTest, AttributeWithPartialMatchingNameIsIgnored) {
static const char kSdpWithFooIceCredentials[] =
"v=0\r\n"
"o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
"s=-\r\n"
"t=0 0\r\n"
"m=audio 9 RTP/SAVPF 111\r\n"
"c=IN IP4 0.0.0.0\r\n"
"a=rtcp:9 IN IP4 0.0.0.0\r\n"
"a=ice-ufrag-something:foo\r\na=ice-pwd-something:bar\r\n"
"a=ice-ufrag:ufrag_voice\r\na=ice-pwd:pwd_voice\r\n"
"a=rtpmap:111 opus/48000/2\r\n"
"a=candidate:a0+B/1 1 udp 2130706432 192.168.1.5 1234 typ host "
"generation 2\r\n";
JsepSessionDescription jdesc_output(kDummyType);
EXPECT_TRUE(SdpDeserialize(kSdpWithFooIceCredentials, &jdesc_output));
const IceCandidateCollection* candidates = jdesc_output.candidates(0);
ASSERT_NE(nullptr, candidates);
ASSERT_EQ(1U, candidates->count());
cricket::Candidate c = candidates->at(0)->candidate();
EXPECT_EQ("ufrag_voice", c.username());
EXPECT_EQ("pwd_voice", c.password());
}
// Test that SDP with an invalid port number in "a=candidate" lines is
// rejected, without crashing.
// Regression test for:
// https://bugs.chromium.org/p/chromium/issues/detail?id=677029
TEST_F(WebRtcSdpTest, DeserializeInvalidPortInCandidateAttribute) {
static const char kSdpWithInvalidCandidatePort[] =
"v=0\r\n"
"o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
"s=-\r\n"
"t=0 0\r\n"
"m=audio 9 RTP/SAVPF 111\r\n"
"c=IN IP4 0.0.0.0\r\n"
"a=rtcp:9 IN IP4 0.0.0.0\r\n"
"a=ice-ufrag:ufrag_voice\r\na=ice-pwd:pwd_voice\r\n"
"a=rtpmap:111 opus/48000/2\r\n"
"a=candidate:a0+B/1 1 udp 2130706432 192.168.1.5 12345678 typ host "
"generation 2 raddr 192.168.1.1 rport 87654321\r\n";
JsepSessionDescription jdesc_output(kDummyType);
EXPECT_FALSE(SdpDeserialize(kSdpWithInvalidCandidatePort, &jdesc_output));
}
// Test that "a=msid" with a missing track ID is rejected and doesn't crash.
// Regression test for:
// https://bugs.chromium.org/p/chromium/issues/detail?id=686405
TEST_F(WebRtcSdpTest, DeserializeMsidAttributeWithMissingTrackId) {
static const char kSdpWithMissingTrackId[] =
"v=0\r\n"
"o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
"s=-\r\n"
"t=0 0\r\n"
"m=audio 9 RTP/SAVPF 111\r\n"
"c=IN IP4 0.0.0.0\r\n"
"a=rtpmap:111 opus/48000/2\r\n"
"a=msid:stream_id \r\n";
JsepSessionDescription jdesc_output(kDummyType);
EXPECT_FALSE(SdpDeserialize(kSdpWithMissingTrackId, &jdesc_output));
}
TEST_F(WebRtcSdpTest, DeserializeMsidAttributeWithMissingStreamId) {
static const char kSdpWithMissingStreamId[] =
"v=0\r\n"
"o=- 18446744069414584320 18446462598732840960 IN IP4 127.0.0.1\r\n"
"s=-\r\n"
"t=0 0\r\n"
"m=audio 9 RTP/SAVPF 111\r\n"
"c=IN IP4 0.0.0.0\r\n"
"a=rtpmap:111 opus/48000/2\r\n"
"a=msid: track_id\r\n";
JsepSessionDescription jdesc_output(kDummyType);
EXPECT_FALSE(SdpDeserialize(kSdpWithMissingStreamId, &jdesc_output));
}
// Tests that if both session-level address and media-level address exist, use
// the media-level address.
TEST_F(WebRtcSdpTest, ParseConnectionData) {
JsepSessionDescription jsep_desc(kDummyType);
// Sesssion-level address.
std::string sdp = kSdpFullString;
InjectAfter("s=-\r\n", "c=IN IP4 192.168.0.3\r\n", &sdp);
EXPECT_TRUE(SdpDeserialize(sdp, &jsep_desc));
const auto& content1 = jsep_desc.description()->contents()[0];
EXPECT_EQ("74.125.127.126:2345",
content1.media_description()->connection_address().ToString());
const auto& content2 = jsep_desc.description()->contents()[1];
EXPECT_EQ("74.125.224.39:3457",
content2.media_description()->connection_address().ToString());
}
// Tests that the session-level connection address will be used if the media
// level-addresses are not specified.
TEST_F(WebRtcSdpTest, ParseConnectionDataSessionLevelOnly) {
JsepSessionDescription jsep_desc(kDummyType);
// Sesssion-level address.
std::string sdp = kSdpString;
InjectAfter("s=-\r\n", "c=IN IP4 192.168.0.3\r\n", &sdp);
// Remove the media level addresses.
Replace("c=IN IP4 0.0.0.0\r\n", "", &sdp);
Replace("c=IN IP4 0.0.0.0\r\n", "", &sdp);
EXPECT_TRUE(SdpDeserialize(sdp, &jsep_desc));
const auto& content1 = jsep_desc.description()->contents()[0];
EXPECT_EQ("192.168.0.3:9",
content1.media_description()->connection_address().ToString());
const auto& content2 = jsep_desc.description()->contents()[1];
EXPECT_EQ("192.168.0.3:9",
content2.media_description()->connection_address().ToString());
}
TEST_F(WebRtcSdpTest, ParseConnectionDataIPv6) {
JsepSessionDescription jsep_desc(kDummyType);
std::string sdp = kSdpString;
EXPECT_TRUE(SdpDeserialize(sdp, &jsep_desc));
Replace("m=audio 9 RTP/SAVPF 111 103 104\r\nc=IN IP4 0.0.0.0\r\n",
"m=audio 9 RTP/SAVPF 111 103 104\r\nc=IN IP6 "
"2001:0db8:85a3:0000:0000:8a2e:0370:7335\r\n",
&sdp);
Replace("m=video 9 RTP/SAVPF 120\r\nc=IN IP4 0.0.0.0\r\n",
"m=video 9 RTP/SAVPF 120\r\nc=IN IP6 "
"2001:0db8:85a3:0000:0000:8a2e:0370:7336\r\n",
&sdp);
EXPECT_TRUE(SdpDeserialize(sdp, &jsep_desc));
const auto& content1 = jsep_desc.description()->contents()[0];
EXPECT_EQ("[2001:db8:85a3::8a2e:370:7335]:9",
content1.media_description()->connection_address().ToString());
const auto& content2 = jsep_desc.description()->contents()[1];
EXPECT_EQ("[2001:db8:85a3::8a2e:370:7336]:9",
content2.media_description()->connection_address().ToString());
}
// Test that a c= line that contains a hostname connection address can be
// parsed.
TEST_F(WebRtcSdpTest, ParseConnectionDataWithHostnameConnectionAddress) {
JsepSessionDescription jsep_desc(kDummyType);
std::string sdp = kSdpString;
EXPECT_TRUE(SdpDeserialize(sdp, &jsep_desc));
sdp = kSdpString;
Replace("c=IN IP4 0.0.0.0\r\n", "c=IN IP4 example.local\r\n", &sdp);
Replace("c=IN IP4 0.0.0.0\r\n", "c=IN IP4 example.local\r\n", &sdp);
ASSERT_TRUE(SdpDeserialize(sdp, &jsep_desc));
ASSERT_NE(nullptr, jsep_desc.description());
const auto& content1 = jsep_desc.description()->contents()[0];
EXPECT_EQ("example.local:9",
content1.media_description()->connection_address().ToString());
const auto& content2 = jsep_desc.description()->contents()[1];
EXPECT_EQ("example.local:9",
content2.media_description()->connection_address().ToString());
}
// Test that the invalid or unsupported connection data cannot be parsed.
TEST_F(WebRtcSdpTest, ParseConnectionDataFailure) {
JsepSessionDescription jsep_desc(kDummyType);
std::string sdp = kSdpString;
EXPECT_TRUE(SdpDeserialize(sdp, &jsep_desc));
// Unsupported multicast IPv4 address.
sdp = kSdpFullString;
Replace("c=IN IP4 74.125.224.39\r\n", "c=IN IP4 74.125.224.39/127\r\n", &sdp);
EXPECT_FALSE(SdpDeserialize(sdp, &jsep_desc));
// Unsupported multicast IPv6 address.
sdp = kSdpFullString;
Replace("c=IN IP4 74.125.224.39\r\n", "c=IN IP6 ::1/3\r\n", &sdp);
EXPECT_FALSE(SdpDeserialize(sdp, &jsep_desc));
// Mismatched address type.
sdp = kSdpFullString;
Replace("c=IN IP4 74.125.224.39\r\n", "c=IN IP6 74.125.224.39\r\n", &sdp);
EXPECT_FALSE(SdpDeserialize(sdp, &jsep_desc));
sdp = kSdpFullString;
Replace("c=IN IP4 74.125.224.39\r\n",
"c=IN IP4 2001:0db8:85a3:0000:0000:8a2e:0370:7334\r\n", &sdp);
EXPECT_FALSE(SdpDeserialize(sdp, &jsep_desc));
}
TEST_F(WebRtcSdpTest, SerializeAndDeserializeWithConnectionAddress) {
JsepSessionDescription expected_jsep(kDummyType);
MakeDescriptionWithoutCandidates(&expected_jsep);
// Serialization.
std::string message = webrtc::SdpSerialize(expected_jsep);
// Deserialization.
JsepSessionDescription jdesc(kDummyType);
EXPECT_TRUE(SdpDeserialize(message, &jdesc));
auto audio_desc = jdesc.description()
->GetContentByName(kAudioContentName)
->media_description();
auto video_desc = jdesc.description()
->GetContentByName(kVideoContentName)
->media_description();
EXPECT_EQ(audio_desc_->connection_address().ToString(),
audio_desc->connection_address().ToString());
EXPECT_EQ(video_desc_->connection_address().ToString(),
video_desc->connection_address().ToString());
}
// Test that a media description that contains a hostname connection address can
// be correctly serialized.
TEST_F(WebRtcSdpTest, SerializeAndDeserializeWithHostnameConnectionAddress) {
JsepSessionDescription expected_jsep(kDummyType);
cricket::Candidate c;
const rtc::SocketAddress hostname_addr("example.local", 1234);
audio_desc_->set_connection_address(hostname_addr);
video_desc_->set_connection_address(hostname_addr);
ASSERT_TRUE(
expected_jsep.Initialize(desc_.Clone(), kSessionId, kSessionVersion));
// Serialization.
std::string message = webrtc::SdpSerialize(expected_jsep);
// Deserialization.
JsepSessionDescription jdesc(kDummyType);
ASSERT_TRUE(SdpDeserialize(message, &jdesc));
auto audio_desc = jdesc.description()
->GetContentByName(kAudioContentName)
->media_description();
auto video_desc = jdesc.description()
->GetContentByName(kVideoContentName)
->media_description();
EXPECT_EQ(hostname_addr, audio_desc->connection_address());
EXPECT_EQ(hostname_addr, video_desc->connection_address());
}
// RFC4566 says "If a session has no meaningful name, the value "s= " SHOULD be
// used (i.e., a single space as the session name)." So we should accept that.
TEST_F(WebRtcSdpTest, DeserializeEmptySessionName) {
JsepSessionDescription jsep_desc(kDummyType);
std::string sdp = kSdpString;
Replace("s=-\r\n", "s= \r\n", &sdp);
EXPECT_TRUE(SdpDeserialize(sdp, &jsep_desc));
}
// Simulcast malformed input test for invalid format.
TEST_F(WebRtcSdpTest, DeserializeSimulcastNegative_EmptyAttribute) {
ExpectParseFailureWithNewLines("a=ssrc:3 label:video_track_id_1\r\n",
"a=simulcast:\r\n", "a=simulcast:");
}
// Tests that duplicate simulcast entries in the SDP triggers a parse failure.
TEST_F(WebRtcSdpTest, DeserializeSimulcastNegative_DuplicateAttribute) {
ExpectParseFailureWithNewLines("a=ssrc:3 label:video_track_id_1\r\n",
"a=simulcast:send 1\r\na=simulcast:recv 2\r\n",
"a=simulcast:");
}
// Validates that deserialization uses the a=simulcast: attribute
TEST_F(WebRtcSdpTest, TestDeserializeSimulcastAttribute) {
std::string sdp = kUnifiedPlanSdpFullStringNoSsrc;
sdp += "a=rid:1 send\r\n";
sdp += "a=rid:2 send\r\n";
sdp += "a=rid:3 send\r\n";
sdp += "a=rid:4 recv\r\n";
sdp += "a=rid:5 recv\r\n";
sdp += "a=rid:6 recv\r\n";
sdp += "a=simulcast:send 1,2;3 recv 4;5;6\r\n";
JsepSessionDescription output(kDummyType);
SdpParseError error;
EXPECT_TRUE(webrtc::SdpDeserialize(sdp, &output, &error));
const cricket::ContentInfos& contents = output.description()->contents();
const cricket::MediaContentDescription* media =
contents.back().media_description();
EXPECT_TRUE(media->HasSimulcast());
EXPECT_EQ(2ul, media->simulcast_description().send_layers().size());
EXPECT_EQ(3ul, media->simulcast_description().receive_layers().size());
EXPECT_FALSE(media->streams().empty());
const std::vector<RidDescription>& rids = media->streams()[0].rids();
CompareRidDescriptionIds(rids, {"1", "2", "3"});
}
// Validates that deserialization removes rids that do not appear in SDP
TEST_F(WebRtcSdpTest, TestDeserializeSimulcastAttributeRemovesUnknownRids) {
std::string sdp = kUnifiedPlanSdpFullStringNoSsrc;
sdp += "a=rid:1 send\r\n";
sdp += "a=rid:3 send\r\n";
sdp += "a=rid:4 recv\r\n";
sdp += "a=simulcast:send 1,2;3 recv 4;5,6\r\n";
JsepSessionDescription output(kDummyType);
SdpParseError error;
EXPECT_TRUE(webrtc::SdpDeserialize(sdp, &output, &error));
const cricket::ContentInfos& contents = output.description()->contents();
const cricket::MediaContentDescription* media =
contents.back().media_description();
EXPECT_TRUE(media->HasSimulcast());
const SimulcastDescription& simulcast = media->simulcast_description();
EXPECT_EQ(2ul, simulcast.send_layers().size());
EXPECT_EQ(1ul, simulcast.receive_layers().size());
std::vector<SimulcastLayer> all_send_layers =
simulcast.send_layers().GetAllLayers();
EXPECT_EQ(2ul, all_send_layers.size());
EXPECT_EQ(0,
absl::c_count_if(all_send_layers, [](const SimulcastLayer& layer) {
return layer.rid == "2";
}));
std::vector<SimulcastLayer> all_receive_layers =
simulcast.receive_layers().GetAllLayers();
ASSERT_EQ(1ul, all_receive_layers.size());
EXPECT_EQ("4", all_receive_layers[0].rid);
EXPECT_FALSE(media->streams().empty());
const std::vector<RidDescription>& rids = media->streams()[0].rids();
CompareRidDescriptionIds(rids, {"1", "3"});
}
// Validates that Simulcast removes rids that appear in both send and receive.
TEST_F(WebRtcSdpTest,
TestDeserializeSimulcastAttributeRemovesDuplicateSendReceive) {
std::string sdp = kUnifiedPlanSdpFullStringNoSsrc;
sdp += "a=rid:1 send\r\n";
sdp += "a=rid:2 send\r\n";
sdp += "a=rid:3 send\r\n";
sdp += "a=rid:4 recv\r\n";
sdp += "a=simulcast:send 1;2;3 recv 2;4\r\n";
JsepSessionDescription output(kDummyType);
SdpParseError error;
EXPECT_TRUE(webrtc::SdpDeserialize(sdp, &output, &error));
const cricket::ContentInfos& contents = output.description()->contents();
const cricket::MediaContentDescription* media =
contents.back().media_description();
EXPECT_TRUE(media->HasSimulcast());
const SimulcastDescription& simulcast = media->simulcast_description();
EXPECT_EQ(2ul, simulcast.send_layers().size());
EXPECT_EQ(1ul, simulcast.receive_layers().size());
EXPECT_EQ(2ul, simulcast.send_layers().GetAllLayers().size());
EXPECT_EQ(1ul, simulcast.receive_layers().GetAllLayers().size());
EXPECT_FALSE(media->streams().empty());
const std::vector<RidDescription>& rids = media->streams()[0].rids();
CompareRidDescriptionIds(rids, {"1", "3"});
}
// Ignores empty rid line.
TEST_F(WebRtcSdpTest, TestDeserializeIgnoresEmptyRidLines) {
std::string sdp = kUnifiedPlanSdpFullStringNoSsrc;
sdp += "a=rid:1 send\r\n";
sdp += "a=rid:2 send\r\n";
sdp += "a=rid\r\n"; // Should ignore this line.
sdp += "a=rid:\r\n"; // Should ignore this line.
sdp += "a=simulcast:send 1;2\r\n";
JsepSessionDescription output(kDummyType);
SdpParseError error;
EXPECT_TRUE(webrtc::SdpDeserialize(sdp, &output, &error));
const cricket::ContentInfos& contents = output.description()->contents();
const cricket::MediaContentDescription* media =
contents.back().media_description();
EXPECT_TRUE(media->HasSimulcast());
const SimulcastDescription& simulcast = media->simulcast_description();
EXPECT_TRUE(simulcast.receive_layers().empty());
EXPECT_EQ(2ul, simulcast.send_layers().size());
EXPECT_EQ(2ul, simulcast.send_layers().GetAllLayers().size());
EXPECT_FALSE(media->streams().empty());
const std::vector<RidDescription>& rids = media->streams()[0].rids();
CompareRidDescriptionIds(rids, {"1", "2"});
}
// Ignores malformed rid lines.
TEST_F(WebRtcSdpTest, TestDeserializeIgnoresMalformedRidLines) {
std::string sdp = kUnifiedPlanSdpFullStringNoSsrc;
sdp += "a=rid:1 send pt=\r\n"; // Should ignore this line.
sdp += "a=rid:2 receive\r\n"; // Should ignore this line.
sdp += "a=rid:3 max-width=720;pt=120\r\n"; // Should ignore this line.
sdp += "a=rid:4\r\n"; // Should ignore this line.
sdp += "a=rid:5 send\r\n";
sdp += "a=simulcast:send 1,2,3;4,5\r\n";
JsepSessionDescription output(kDummyType);
SdpParseError error;
EXPECT_TRUE(webrtc::SdpDeserialize(sdp, &output, &error));
const cricket::ContentInfos& contents = output.description()->contents();
const cricket::MediaContentDescription* media =
contents.back().media_description();
EXPECT_TRUE(media->HasSimulcast());
const SimulcastDescription& simulcast = media->simulcast_description();
EXPECT_TRUE(simulcast.receive_layers().empty());
EXPECT_EQ(1ul, simulcast.send_layers().size());
EXPECT_EQ(1ul, simulcast.send_layers().GetAllLayers().size());
EXPECT_FALSE(media->streams().empty());
const std::vector<RidDescription>& rids = media->streams()[0].rids();
CompareRidDescriptionIds(rids, {"5"});
}
// Removes RIDs that specify a different format than the m= section.
TEST_F(WebRtcSdpTest, TestDeserializeRemovesRidsWithInvalidCodec) {
std::string sdp = kUnifiedPlanSdpFullStringNoSsrc;
sdp += "a=rid:1 send pt=121,120\r\n"; // Should remove 121 and keep RID.
sdp += "a=rid:2 send pt=121\r\n"; // Should remove RID altogether.
sdp += "a=simulcast:send 1;2\r\n";
JsepSessionDescription output(kDummyType);
SdpParseError error;
EXPECT_TRUE(webrtc::SdpDeserialize(sdp, &output, &error));
const cricket::ContentInfos& contents = output.description()->contents();
const cricket::MediaContentDescription* media =
contents.back().media_description();
EXPECT_TRUE(media->HasSimulcast());
const SimulcastDescription& simulcast = media->simulcast_description();
EXPECT_TRUE(simulcast.receive_layers().empty());
EXPECT_EQ(1ul, simulcast.send_layers().size());
EXPECT_EQ(1ul, simulcast.send_layers().GetAllLayers().size());
EXPECT_EQ("1", simulcast.send_layers()[0][0].rid);
EXPECT_EQ(1ul, media->streams().size());
const std::vector<RidDescription>& rids = media->streams()[0].rids();
EXPECT_EQ(1ul, rids.size());
EXPECT_EQ("1", rids[0].rid);
EXPECT_EQ(1ul, rids[0].payload_types.size());
EXPECT_EQ(120, rids[0].payload_types[0]);
}
// Ignores duplicate rid lines
TEST_F(WebRtcSdpTest, TestDeserializeIgnoresDuplicateRidLines) {
std::string sdp = kUnifiedPlanSdpFullStringNoSsrc;
sdp += "a=rid:1 send\r\n";
sdp += "a=rid:2 send\r\n";
sdp += "a=rid:2 send\r\n";
sdp += "a=rid:3 send\r\n";
sdp += "a=rid:4 recv\r\n";
sdp += "a=simulcast:send 1,2;3 recv 4\r\n";
JsepSessionDescription output(kDummyType);
SdpParseError error;
EXPECT_TRUE(webrtc::SdpDeserialize(sdp, &output, &error));
const cricket::ContentInfos& contents = output.description()->contents();
const cricket::MediaContentDescription* media =
contents.back().media_description();
EXPECT_TRUE(media->HasSimulcast());
const SimulcastDescription& simulcast = media->simulcast_description();
EXPECT_EQ(2ul, simulcast.send_layers().size());
EXPECT_EQ(1ul, simulcast.receive_layers().size());
EXPECT_EQ(2ul, simulcast.send_layers().GetAllLayers().size());
EXPECT_EQ(1ul, simulcast.receive_layers().GetAllLayers().size());
EXPECT_FALSE(media->streams().empty());
const std::vector<RidDescription>& rids = media->streams()[0].rids();
CompareRidDescriptionIds(rids, {"1", "3"});
}
// Simulcast serialization integration test.
// This test will serialize and deserialize the description and compare.
// More detailed tests for parsing simulcast can be found in
// unit tests for SdpSerializer.
TEST_F(WebRtcSdpTest, SerializeSimulcast_ComplexSerialization) {
MakeUnifiedPlanDescription(/* use_ssrcs = */ false);
auto description = jdesc_.description();
auto media = description->GetContentDescriptionByName(kVideoContentName3);
ASSERT_EQ(media->streams().size(), 1ul);
StreamParams& send_stream = media->mutable_streams()[0];
std::vector<RidDescription> send_rids;
send_rids.push_back(RidDescription("1", RidDirection::kSend));
send_rids.push_back(RidDescription("2", RidDirection::kSend));
send_rids.push_back(RidDescription("3", RidDirection::kSend));
send_rids.push_back(RidDescription("4", RidDirection::kSend));
send_stream.set_rids(send_rids);
SimulcastDescription& simulcast = media->simulcast_description();
simulcast.send_layers().AddLayerWithAlternatives(
{SimulcastLayer("2", false), SimulcastLayer("1", true)});
simulcast.send_layers().AddLayerWithAlternatives(
{SimulcastLayer("4", false), SimulcastLayer("3", false)});
TestSerialize(jdesc_);
}
// Test that the content name is empty if the media section does not have an
// a=mid line.
TEST_F(WebRtcSdpTest, ParseNoMid) {
std::string sdp = kSdpString;
Replace("a=mid:audio_content_name\r\n", "", &sdp);
Replace("a=mid:video_content_name\r\n", "", &sdp);
JsepSessionDescription output(kDummyType);
SdpParseError error;
ASSERT_TRUE(webrtc::SdpDeserialize(sdp, &output, &error));
EXPECT_THAT(output.description()->contents(),
ElementsAre(Field("name", &cricket::ContentInfo::name, ""),
Field("name", &cricket::ContentInfo::name, "")));
}
// Test that the media transport name and base64-decoded setting is parsed from
// an a=x-mt line.
TEST_F(WebRtcSdpTest, ParseMediaTransport) {
JsepSessionDescription output(kDummyType);
std::string sdp = kSdpSessionString;
sdp += "a=x-mt:rtp:dGVzdDY0\r\n";
SdpParseError error;
ASSERT_TRUE(webrtc::SdpDeserialize(sdp, &output, &error))
<< error.description;
const auto& settings = output.description()->MediaTransportSettings();
ASSERT_EQ(1u, settings.size());
EXPECT_EQ("rtp", settings[0].transport_name);
EXPECT_EQ("test64", settings[0].transport_setting);
}
// Test that an a=x-mt line fails to parse if its setting is invalid base 64.
TEST_F(WebRtcSdpTest, ParseMediaTransportInvalidBase64) {
JsepSessionDescription output(kDummyType);
std::string sdp = kSdpSessionString;
sdp += "a=x-mt:rtp:ThisIsInvalidBase64\r\n";
SdpParseError error;
ASSERT_FALSE(webrtc::SdpDeserialize(sdp, &output, &error));
}
// Test that multiple a=x-mt lines are parsed in the order of preference (the
// order of the lines in the SDP).
TEST_F(WebRtcSdpTest, ParseMediaTransportMultipleLines) {
JsepSessionDescription output(kDummyType);
std::string sdp = kSdpSessionString;
sdp +=
"a=x-mt:rtp:dGVzdDY0\r\n"
"a=x-mt:generic:Z2VuZXJpY3NldHRpbmc=\r\n";
SdpParseError error;
ASSERT_TRUE(webrtc::SdpDeserialize(sdp, &output, &error))
<< error.description;
const auto& settings = output.description()->MediaTransportSettings();
ASSERT_EQ(2u, settings.size());
EXPECT_EQ("rtp", settings[0].transport_name);
EXPECT_EQ("test64", settings[0].transport_setting);
EXPECT_EQ("generic", settings[1].transport_name);
EXPECT_EQ("genericsetting", settings[1].transport_setting);
}
// Test that only the first a=x-mt line associated with a transport name is
// parsed and the rest ignored.
TEST_F(WebRtcSdpTest, ParseMediaTransportSkipRepeatedTransport) {
JsepSessionDescription output(kDummyType);
std::string sdp = kSdpSessionString;
sdp +=
"a=x-mt:rtp:dGVzdDY0\r\n"
"a=x-mt:rtp:Z2VuZXJpY3NldHRpbmc=\r\n";
SdpParseError error;
// Repeated 'rtp' transport setting. We still parse the SDP successfully,
// but ignore the repeated transport.
ASSERT_TRUE(webrtc::SdpDeserialize(sdp, &output, &error));
const auto& settings = output.description()->MediaTransportSettings();
EXPECT_EQ("test64", settings[0].transport_setting);
}
// Test that an a=x-mt line fails to parse if it is missing a setting.
TEST_F(WebRtcSdpTest, ParseMediaTransportMalformedLine) {
JsepSessionDescription output(kDummyType);
std::string sdp = kSdpSessionString;
sdp += "a=x-mt:rtp\r\n";
SdpParseError error;
ASSERT_FALSE(webrtc::SdpDeserialize(sdp, &output, &error));
}
// Test that an a=x-mt line fails to parse if its missing a name and setting.
TEST_F(WebRtcSdpTest, ParseMediaTransportMalformedLine2) {
JsepSessionDescription output(kDummyType);
std::string sdp = kSdpSessionString;
sdp += "a=x-mt\r\n";
SdpParseError error;
ASSERT_FALSE(webrtc::SdpDeserialize(sdp, &output, &error));
}
TEST_F(WebRtcSdpTest, ParseMediaTransportIgnoreNonsenseAttributeLines) {
JsepSessionDescription output(kDummyType);
std::string sdp = kSdpSessionString;
sdp += "a=x-nonsense:rtp:dGVzdDY0\r\n";
SdpParseError error;
ASSERT_TRUE(webrtc::SdpDeserialize(sdp, &output, &error))
<< error.description;
EXPECT_TRUE(output.description()->MediaTransportSettings().empty());
}
TEST_F(WebRtcSdpTest, SerializeMediaTransportSettings) {
auto description = absl::make_unique<cricket::SessionDescription>();
JsepSessionDescription output(SdpType::kOffer);
// JsepSessionDescription takes ownership of the description.
output.Initialize(std::move(description), "session_id", "session_version");
output.description()->AddMediaTransportSetting("foo", "bar");
std::string serialized_out;
output.ToString(&serialized_out);
ASSERT_THAT(serialized_out, ::testing::HasSubstr("\r\na=x-mt:foo:YmFy\r\n"));
}
TEST_F(WebRtcSdpTest, SerializeMediaTransportSettingsTestCopy) {
cricket::SessionDescription description;
description.AddMediaTransportSetting("name", "setting");
std::unique_ptr<cricket::SessionDescription> copy = description.Clone();
ASSERT_EQ(1u, copy->MediaTransportSettings().size());
EXPECT_EQ("name", copy->MediaTransportSettings()[0].transport_name);
EXPECT_EQ("setting", copy->MediaTransportSettings()[0].transport_setting);
}
TEST_F(WebRtcSdpTest, SerializeWithDefaultSctpProtocol) {
AddSctpDataChannel(false); // Don't use sctpmap
JsepSessionDescription jsep_desc(kDummyType);
MakeDescriptionWithoutCandidates(&jsep_desc);
std::string message = webrtc::SdpSerialize(jsep_desc);
EXPECT_NE(std::string::npos,
message.find(cricket::kMediaProtocolUdpDtlsSctp));
}
TEST_F(WebRtcSdpTest, DeserializeWithAllSctpProtocols) {
AddSctpDataChannel(false);
std::string protocols[] = {cricket::kMediaProtocolDtlsSctp,
cricket::kMediaProtocolUdpDtlsSctp,
cricket::kMediaProtocolTcpDtlsSctp};
for (const auto& protocol : protocols) {
sctp_desc_->set_protocol(protocol);
JsepSessionDescription jsep_desc(kDummyType);
MakeDescriptionWithoutCandidates(&jsep_desc);
std::string message = webrtc::SdpSerialize(jsep_desc);
EXPECT_NE(std::string::npos, message.find(protocol));
JsepSessionDescription jsep_output(kDummyType);
SdpParseError error;
EXPECT_TRUE(webrtc::SdpDeserialize(message, &jsep_output, &error));
}
}