Stefan Holmer | 1acbd68 | 2017-09-01 15:29:28 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license |
| 5 | * that can be found in the LICENSE file in the root of the source |
| 6 | * tree. An additional intellectual property rights grant can be found |
| 7 | * in the file PATENTS. All contributing project authors may |
| 8 | * be found in the AUTHORS file in the root of the source tree. |
| 9 | */ |
Steve Anton | 10542f2 | 2019-01-11 09:11:00 -0800 | [diff] [blame] | 10 | #include "api/rtp_parameters.h" |
Stefan Holmer | 1acbd68 | 2017-09-01 15:29:28 +0200 | [diff] [blame] | 11 | |
| 12 | #include <algorithm> |
Stefan Holmer | 1acbd68 | 2017-09-01 15:29:28 +0200 | [diff] [blame] | 13 | #include <string> |
| 14 | |
Yves Gerey | 988cc08 | 2018-10-23 12:03:01 +0200 | [diff] [blame] | 15 | #include "api/array_view.h" |
Jonas Olsson | 866d6dc | 2018-05-14 17:30:22 +0200 | [diff] [blame] | 16 | #include "rtc_base/strings/string_builder.h" |
Stefan Holmer | 1acbd68 | 2017-09-01 15:29:28 +0200 | [diff] [blame] | 17 | |
| 18 | namespace webrtc { |
| 19 | |
Seth Hampson | f32795e | 2017-12-19 11:37:41 -0800 | [diff] [blame] | 20 | const double kDefaultBitratePriority = 1.0; |
| 21 | |
Mirko Bonadei | 2ffed6d | 2018-07-20 11:09:32 +0200 | [diff] [blame] | 22 | RtcpFeedback::RtcpFeedback() = default; |
Stefan Holmer | 1acbd68 | 2017-09-01 15:29:28 +0200 | [diff] [blame] | 23 | RtcpFeedback::RtcpFeedback(RtcpFeedbackType type) : type(type) {} |
| 24 | RtcpFeedback::RtcpFeedback(RtcpFeedbackType type, |
| 25 | RtcpFeedbackMessageType message_type) |
| 26 | : type(type), message_type(message_type) {} |
Mirko Bonadei | 2ffed6d | 2018-07-20 11:09:32 +0200 | [diff] [blame] | 27 | RtcpFeedback::RtcpFeedback(const RtcpFeedback& rhs) = default; |
| 28 | RtcpFeedback::~RtcpFeedback() = default; |
Stefan Holmer | 1acbd68 | 2017-09-01 15:29:28 +0200 | [diff] [blame] | 29 | |
Mirko Bonadei | 2ffed6d | 2018-07-20 11:09:32 +0200 | [diff] [blame] | 30 | RtpCodecCapability::RtpCodecCapability() = default; |
| 31 | RtpCodecCapability::~RtpCodecCapability() = default; |
Stefan Holmer | 1acbd68 | 2017-09-01 15:29:28 +0200 | [diff] [blame] | 32 | |
Mirko Bonadei | 2ffed6d | 2018-07-20 11:09:32 +0200 | [diff] [blame] | 33 | RtpHeaderExtensionCapability::RtpHeaderExtensionCapability() = default; |
Stefan Holmer | 1acbd68 | 2017-09-01 15:29:28 +0200 | [diff] [blame] | 34 | RtpHeaderExtensionCapability::RtpHeaderExtensionCapability( |
| 35 | const std::string& uri) |
| 36 | : uri(uri) {} |
| 37 | RtpHeaderExtensionCapability::RtpHeaderExtensionCapability( |
| 38 | const std::string& uri, |
| 39 | int preferred_id) |
| 40 | : uri(uri), preferred_id(preferred_id) {} |
Mirko Bonadei | 2ffed6d | 2018-07-20 11:09:32 +0200 | [diff] [blame] | 41 | RtpHeaderExtensionCapability::~RtpHeaderExtensionCapability() = default; |
Stefan Holmer | 1acbd68 | 2017-09-01 15:29:28 +0200 | [diff] [blame] | 42 | |
Mirko Bonadei | 2ffed6d | 2018-07-20 11:09:32 +0200 | [diff] [blame] | 43 | RtpExtension::RtpExtension() = default; |
Stefan Holmer | 1acbd68 | 2017-09-01 15:29:28 +0200 | [diff] [blame] | 44 | RtpExtension::RtpExtension(const std::string& uri, int id) : uri(uri), id(id) {} |
| 45 | RtpExtension::RtpExtension(const std::string& uri, int id, bool encrypt) |
| 46 | : uri(uri), id(id), encrypt(encrypt) {} |
Mirko Bonadei | 2ffed6d | 2018-07-20 11:09:32 +0200 | [diff] [blame] | 47 | RtpExtension::~RtpExtension() = default; |
Stefan Holmer | 1acbd68 | 2017-09-01 15:29:28 +0200 | [diff] [blame] | 48 | |
Mirko Bonadei | 2ffed6d | 2018-07-20 11:09:32 +0200 | [diff] [blame] | 49 | RtpFecParameters::RtpFecParameters() = default; |
Stefan Holmer | 1acbd68 | 2017-09-01 15:29:28 +0200 | [diff] [blame] | 50 | RtpFecParameters::RtpFecParameters(FecMechanism mechanism) |
| 51 | : mechanism(mechanism) {} |
| 52 | RtpFecParameters::RtpFecParameters(FecMechanism mechanism, uint32_t ssrc) |
| 53 | : ssrc(ssrc), mechanism(mechanism) {} |
Mirko Bonadei | 2ffed6d | 2018-07-20 11:09:32 +0200 | [diff] [blame] | 54 | RtpFecParameters::RtpFecParameters(const RtpFecParameters& rhs) = default; |
| 55 | RtpFecParameters::~RtpFecParameters() = default; |
Stefan Holmer | 1acbd68 | 2017-09-01 15:29:28 +0200 | [diff] [blame] | 56 | |
Mirko Bonadei | 2ffed6d | 2018-07-20 11:09:32 +0200 | [diff] [blame] | 57 | RtpRtxParameters::RtpRtxParameters() = default; |
Stefan Holmer | 1acbd68 | 2017-09-01 15:29:28 +0200 | [diff] [blame] | 58 | RtpRtxParameters::RtpRtxParameters(uint32_t ssrc) : ssrc(ssrc) {} |
Mirko Bonadei | 2ffed6d | 2018-07-20 11:09:32 +0200 | [diff] [blame] | 59 | RtpRtxParameters::RtpRtxParameters(const RtpRtxParameters& rhs) = default; |
| 60 | RtpRtxParameters::~RtpRtxParameters() = default; |
Stefan Holmer | 1acbd68 | 2017-09-01 15:29:28 +0200 | [diff] [blame] | 61 | |
Mirko Bonadei | 2ffed6d | 2018-07-20 11:09:32 +0200 | [diff] [blame] | 62 | RtpEncodingParameters::RtpEncodingParameters() = default; |
| 63 | RtpEncodingParameters::RtpEncodingParameters(const RtpEncodingParameters& rhs) = |
| 64 | default; |
| 65 | RtpEncodingParameters::~RtpEncodingParameters() = default; |
Stefan Holmer | 1acbd68 | 2017-09-01 15:29:28 +0200 | [diff] [blame] | 66 | |
Mirko Bonadei | 2ffed6d | 2018-07-20 11:09:32 +0200 | [diff] [blame] | 67 | RtpCodecParameters::RtpCodecParameters() = default; |
| 68 | RtpCodecParameters::RtpCodecParameters(const RtpCodecParameters& rhs) = default; |
| 69 | RtpCodecParameters::~RtpCodecParameters() = default; |
Stefan Holmer | 1acbd68 | 2017-09-01 15:29:28 +0200 | [diff] [blame] | 70 | |
Mirko Bonadei | 2ffed6d | 2018-07-20 11:09:32 +0200 | [diff] [blame] | 71 | RtpCapabilities::RtpCapabilities() = default; |
| 72 | RtpCapabilities::~RtpCapabilities() = default; |
Stefan Holmer | 1acbd68 | 2017-09-01 15:29:28 +0200 | [diff] [blame] | 73 | |
Mirko Bonadei | 2ffed6d | 2018-07-20 11:09:32 +0200 | [diff] [blame] | 74 | RtcpParameters::RtcpParameters() = default; |
| 75 | RtcpParameters::RtcpParameters(const RtcpParameters& rhs) = default; |
| 76 | RtcpParameters::~RtcpParameters() = default; |
Florent Castelli | dacec71 | 2018-05-24 16:24:21 +0200 | [diff] [blame] | 77 | |
Mirko Bonadei | 2ffed6d | 2018-07-20 11:09:32 +0200 | [diff] [blame] | 78 | RtpParameters::RtpParameters() = default; |
| 79 | RtpParameters::RtpParameters(const RtpParameters& rhs) = default; |
| 80 | RtpParameters::~RtpParameters() = default; |
Stefan Holmer | 1acbd68 | 2017-09-01 15:29:28 +0200 | [diff] [blame] | 81 | |
| 82 | std::string RtpExtension::ToString() const { |
Jonas Olsson | 866d6dc | 2018-05-14 17:30:22 +0200 | [diff] [blame] | 83 | char buf[256]; |
| 84 | rtc::SimpleStringBuilder sb(buf); |
| 85 | sb << "{uri: " << uri; |
| 86 | sb << ", id: " << id; |
Stefan Holmer | 1acbd68 | 2017-09-01 15:29:28 +0200 | [diff] [blame] | 87 | if (encrypt) { |
Jonas Olsson | 866d6dc | 2018-05-14 17:30:22 +0200 | [diff] [blame] | 88 | sb << ", encrypt"; |
Stefan Holmer | 1acbd68 | 2017-09-01 15:29:28 +0200 | [diff] [blame] | 89 | } |
Jonas Olsson | 866d6dc | 2018-05-14 17:30:22 +0200 | [diff] [blame] | 90 | sb << '}'; |
| 91 | return sb.str(); |
Stefan Holmer | 1acbd68 | 2017-09-01 15:29:28 +0200 | [diff] [blame] | 92 | } |
| 93 | |
| 94 | const char RtpExtension::kAudioLevelUri[] = |
| 95 | "urn:ietf:params:rtp-hdrext:ssrc-audio-level"; |
Stefan Holmer | 1acbd68 | 2017-09-01 15:29:28 +0200 | [diff] [blame] | 96 | |
| 97 | const char RtpExtension::kTimestampOffsetUri[] = |
| 98 | "urn:ietf:params:rtp-hdrext:toffset"; |
Stefan Holmer | 1acbd68 | 2017-09-01 15:29:28 +0200 | [diff] [blame] | 99 | |
| 100 | const char RtpExtension::kAbsSendTimeUri[] = |
| 101 | "http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time"; |
Stefan Holmer | 1acbd68 | 2017-09-01 15:29:28 +0200 | [diff] [blame] | 102 | |
| 103 | const char RtpExtension::kVideoRotationUri[] = "urn:3gpp:video-orientation"; |
Stefan Holmer | 1acbd68 | 2017-09-01 15:29:28 +0200 | [diff] [blame] | 104 | |
| 105 | const char RtpExtension::kTransportSequenceNumberUri[] = |
| 106 | "http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions-01"; |
Johannes Kron | 7ff164e | 2019-02-07 12:50:18 +0100 | [diff] [blame] | 107 | const char RtpExtension::kTransportSequenceNumberV2Uri[] = |
Johannes Kron | 8cc711a | 2019-03-07 22:36:35 +0100 | [diff] [blame] | 108 | "http://www.webrtc.org/experiments/rtp-hdrext/transport-wide-cc-02"; |
Stefan Holmer | 1acbd68 | 2017-09-01 15:29:28 +0200 | [diff] [blame] | 109 | |
| 110 | // This extension allows applications to adaptively limit the playout delay |
| 111 | // on frames as per the current needs. For example, a gaming application |
| 112 | // has very different needs on end-to-end delay compared to a video-conference |
| 113 | // application. |
| 114 | const char RtpExtension::kPlayoutDelayUri[] = |
| 115 | "http://www.webrtc.org/experiments/rtp-hdrext/playout-delay"; |
Stefan Holmer | 1acbd68 | 2017-09-01 15:29:28 +0200 | [diff] [blame] | 116 | |
| 117 | const char RtpExtension::kVideoContentTypeUri[] = |
| 118 | "http://www.webrtc.org/experiments/rtp-hdrext/video-content-type"; |
Stefan Holmer | 1acbd68 | 2017-09-01 15:29:28 +0200 | [diff] [blame] | 119 | |
| 120 | const char RtpExtension::kVideoTimingUri[] = |
| 121 | "http://www.webrtc.org/experiments/rtp-hdrext/video-timing"; |
Stefan Holmer | 1acbd68 | 2017-09-01 15:29:28 +0200 | [diff] [blame] | 122 | |
Steve Anton | bb50ce5 | 2018-03-26 10:24:32 -0700 | [diff] [blame] | 123 | const char RtpExtension::kMidUri[] = "urn:ietf:params:rtp-hdrext:sdes:mid"; |
Steve Anton | bb50ce5 | 2018-03-26 10:24:32 -0700 | [diff] [blame] | 124 | |
Johnny Lee | e0c8b23 | 2018-09-11 16:50:49 -0400 | [diff] [blame] | 125 | const char RtpExtension::kFrameMarkingUri[] = |
| 126 | "http://tools.ietf.org/html/draft-ietf-avtext-framemarking-07"; |
Johnny Lee | e0c8b23 | 2018-09-11 16:50:49 -0400 | [diff] [blame] | 127 | |
Elad Alon | ccb9b75 | 2019-02-19 13:01:31 +0100 | [diff] [blame] | 128 | const char RtpExtension::kGenericFrameDescriptorUri00[] = |
| 129 | "http://www.webrtc.org/experiments/rtp-hdrext/generic-frame-descriptor-00"; |
| 130 | const char RtpExtension::kGenericFrameDescriptorUri01[] = |
| 131 | "http://www.webrtc.org/experiments/rtp-hdrext/generic-frame-descriptor-01"; |
Danil Chapovalov | f3119ef | 2018-09-25 12:20:37 +0200 | [diff] [blame] | 132 | const char RtpExtension::kGenericFrameDescriptorUri[] = |
| 133 | "http://www.webrtc.org/experiments/rtp-hdrext/generic-frame-descriptor-00"; |
Danil Chapovalov | f3119ef | 2018-09-25 12:20:37 +0200 | [diff] [blame] | 134 | |
Amit Hilbuch | 77938e6 | 2018-12-21 09:23:38 -0800 | [diff] [blame] | 135 | const char RtpExtension::kEncryptHeaderExtensionsUri[] = |
| 136 | "urn:ietf:params:rtp-hdrext:encrypt"; |
| 137 | |
Johannes Kron | d0b69a8 | 2018-12-03 14:18:53 +0100 | [diff] [blame] | 138 | const char RtpExtension::kColorSpaceUri[] = |
| 139 | "http://www.webrtc.org/experiments/rtp-hdrext/color-space"; |
Johannes Kron | d0b69a8 | 2018-12-03 14:18:53 +0100 | [diff] [blame] | 140 | |
Amit Hilbuch | 77938e6 | 2018-12-21 09:23:38 -0800 | [diff] [blame] | 141 | const char RtpExtension::kRidUri[] = |
| 142 | "urn:ietf:params:rtp-hdrext:sdes:rtp-stream-id"; |
Amit Hilbuch | 77938e6 | 2018-12-21 09:23:38 -0800 | [diff] [blame] | 143 | |
| 144 | const char RtpExtension::kRepairedRidUri[] = |
| 145 | "urn:ietf:params:rtp-hdrext:sdes:repaired-rtp-stream-id"; |
Stefan Holmer | 1acbd68 | 2017-09-01 15:29:28 +0200 | [diff] [blame] | 146 | |
Johannes Kron | 07ba2b9 | 2018-09-26 13:33:35 +0200 | [diff] [blame] | 147 | constexpr int RtpExtension::kMinId; |
| 148 | constexpr int RtpExtension::kMaxId; |
Johannes Kron | 78cdde3 | 2018-10-05 10:00:46 +0200 | [diff] [blame] | 149 | constexpr int RtpExtension::kMaxValueSize; |
Johannes Kron | 07ba2b9 | 2018-09-26 13:33:35 +0200 | [diff] [blame] | 150 | constexpr int RtpExtension::kOneByteHeaderExtensionMaxId; |
Johannes Kron | 78cdde3 | 2018-10-05 10:00:46 +0200 | [diff] [blame] | 151 | constexpr int RtpExtension::kOneByteHeaderExtensionMaxValueSize; |
Stefan Holmer | 1acbd68 | 2017-09-01 15:29:28 +0200 | [diff] [blame] | 152 | |
| 153 | bool RtpExtension::IsSupportedForAudio(const std::string& uri) { |
| 154 | return uri == webrtc::RtpExtension::kAudioLevelUri || |
Steve Anton | bb50ce5 | 2018-03-26 10:24:32 -0700 | [diff] [blame] | 155 | uri == webrtc::RtpExtension::kTransportSequenceNumberUri || |
Johannes Kron | ce8e867 | 2019-02-22 13:06:44 +0100 | [diff] [blame] | 156 | uri == webrtc::RtpExtension::kTransportSequenceNumberV2Uri || |
Amit Hilbuch | 77938e6 | 2018-12-21 09:23:38 -0800 | [diff] [blame] | 157 | uri == webrtc::RtpExtension::kMidUri || |
| 158 | uri == webrtc::RtpExtension::kRidUri || |
| 159 | uri == webrtc::RtpExtension::kRepairedRidUri; |
Stefan Holmer | 1acbd68 | 2017-09-01 15:29:28 +0200 | [diff] [blame] | 160 | } |
| 161 | |
| 162 | bool RtpExtension::IsSupportedForVideo(const std::string& uri) { |
| 163 | return uri == webrtc::RtpExtension::kTimestampOffsetUri || |
| 164 | uri == webrtc::RtpExtension::kAbsSendTimeUri || |
| 165 | uri == webrtc::RtpExtension::kVideoRotationUri || |
| 166 | uri == webrtc::RtpExtension::kTransportSequenceNumberUri || |
Johannes Kron | ce8e867 | 2019-02-22 13:06:44 +0100 | [diff] [blame] | 167 | uri == webrtc::RtpExtension::kTransportSequenceNumberV2Uri || |
Stefan Holmer | 1acbd68 | 2017-09-01 15:29:28 +0200 | [diff] [blame] | 168 | uri == webrtc::RtpExtension::kPlayoutDelayUri || |
| 169 | uri == webrtc::RtpExtension::kVideoContentTypeUri || |
Steve Anton | bb50ce5 | 2018-03-26 10:24:32 -0700 | [diff] [blame] | 170 | uri == webrtc::RtpExtension::kVideoTimingUri || |
Johnny Lee | e0c8b23 | 2018-09-11 16:50:49 -0400 | [diff] [blame] | 171 | uri == webrtc::RtpExtension::kMidUri || |
Danil Chapovalov | f3119ef | 2018-09-25 12:20:37 +0200 | [diff] [blame] | 172 | uri == webrtc::RtpExtension::kFrameMarkingUri || |
Elad Alon | ccb9b75 | 2019-02-19 13:01:31 +0100 | [diff] [blame] | 173 | uri == webrtc::RtpExtension::kGenericFrameDescriptorUri00 || |
| 174 | uri == webrtc::RtpExtension::kGenericFrameDescriptorUri01 || |
Amit Hilbuch | 77938e6 | 2018-12-21 09:23:38 -0800 | [diff] [blame] | 175 | uri == webrtc::RtpExtension::kColorSpaceUri || |
| 176 | uri == webrtc::RtpExtension::kRidUri || |
| 177 | uri == webrtc::RtpExtension::kRepairedRidUri; |
Stefan Holmer | 1acbd68 | 2017-09-01 15:29:28 +0200 | [diff] [blame] | 178 | } |
| 179 | |
| 180 | bool RtpExtension::IsEncryptionSupported(const std::string& uri) { |
| 181 | return uri == webrtc::RtpExtension::kAudioLevelUri || |
| 182 | uri == webrtc::RtpExtension::kTimestampOffsetUri || |
| 183 | #if !defined(ENABLE_EXTERNAL_AUTH) |
| 184 | // TODO(jbauch): Figure out a way to always allow "kAbsSendTimeUri" |
| 185 | // here and filter out later if external auth is really used in |
| 186 | // srtpfilter. External auth is used by Chromium and replaces the |
| 187 | // extension header value of "kAbsSendTimeUri", so it must not be |
| 188 | // encrypted (which can't be done by Chromium). |
| 189 | uri == webrtc::RtpExtension::kAbsSendTimeUri || |
| 190 | #endif |
| 191 | uri == webrtc::RtpExtension::kVideoRotationUri || |
| 192 | uri == webrtc::RtpExtension::kTransportSequenceNumberUri || |
Johannes Kron | ce8e867 | 2019-02-22 13:06:44 +0100 | [diff] [blame] | 193 | uri == webrtc::RtpExtension::kTransportSequenceNumberV2Uri || |
Stefan Holmer | 1acbd68 | 2017-09-01 15:29:28 +0200 | [diff] [blame] | 194 | uri == webrtc::RtpExtension::kPlayoutDelayUri || |
Steve Anton | bb50ce5 | 2018-03-26 10:24:32 -0700 | [diff] [blame] | 195 | uri == webrtc::RtpExtension::kVideoContentTypeUri || |
Amit Hilbuch | 77938e6 | 2018-12-21 09:23:38 -0800 | [diff] [blame] | 196 | uri == webrtc::RtpExtension::kMidUri || |
| 197 | uri == webrtc::RtpExtension::kRidUri || |
| 198 | uri == webrtc::RtpExtension::kRepairedRidUri; |
Stefan Holmer | 1acbd68 | 2017-09-01 15:29:28 +0200 | [diff] [blame] | 199 | } |
| 200 | |
| 201 | const RtpExtension* RtpExtension::FindHeaderExtensionByUri( |
| 202 | const std::vector<RtpExtension>& extensions, |
| 203 | const std::string& uri) { |
| 204 | for (const auto& extension : extensions) { |
| 205 | if (extension.uri == uri) { |
| 206 | return &extension; |
| 207 | } |
| 208 | } |
| 209 | return nullptr; |
| 210 | } |
| 211 | |
| 212 | std::vector<RtpExtension> RtpExtension::FilterDuplicateNonEncrypted( |
| 213 | const std::vector<RtpExtension>& extensions) { |
| 214 | std::vector<RtpExtension> filtered; |
| 215 | for (auto extension = extensions.begin(); extension != extensions.end(); |
| 216 | ++extension) { |
| 217 | if (extension->encrypt) { |
| 218 | filtered.push_back(*extension); |
| 219 | continue; |
| 220 | } |
| 221 | |
| 222 | // Only add non-encrypted extension if no encrypted with the same URI |
| 223 | // is also present... |
Steve Anton | a59dcc3 | 2019-03-25 13:53:07 -0700 | [diff] [blame] | 224 | if (std::any_of(extension + 1, extensions.end(), |
| 225 | [&](const RtpExtension& check) { |
| 226 | return extension->uri == check.uri; |
| 227 | })) { |
Stefan Holmer | 1acbd68 | 2017-09-01 15:29:28 +0200 | [diff] [blame] | 228 | continue; |
| 229 | } |
| 230 | |
| 231 | // ...and has not been added before. |
| 232 | if (!FindHeaderExtensionByUri(filtered, extension->uri)) { |
| 233 | filtered.push_back(*extension); |
| 234 | } |
| 235 | } |
| 236 | return filtered; |
| 237 | } |
| 238 | } // namespace webrtc |