solenberg | c7a8b08 | 2015-10-16 14:35:07 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2015 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 | */ |
| 10 | |
Mirko Bonadei | 92ea95e | 2017-09-15 06:47:31 +0200 | [diff] [blame] | 11 | #include "audio/audio_send_stream.h" |
solenberg | c7a8b08 | 2015-10-16 14:35:07 -0700 | [diff] [blame] | 12 | |
| 13 | #include <string> |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 14 | #include <utility> |
| 15 | #include <vector> |
solenberg | c7a8b08 | 2015-10-16 14:35:07 -0700 | [diff] [blame] | 16 | |
Niels Möller | fa4e185 | 2018-08-14 09:43:34 +0200 | [diff] [blame] | 17 | #include "absl/memory/memory.h" |
Yves Gerey | 988cc08 | 2018-10-23 12:03:01 +0200 | [diff] [blame] | 18 | #include "api/audio_codecs/audio_encoder.h" |
| 19 | #include "api/audio_codecs/audio_encoder_factory.h" |
| 20 | #include "api/audio_codecs/audio_format.h" |
| 21 | #include "api/call/transport.h" |
Steve Anton | 10542f2 | 2019-01-11 09:11:00 -0800 | [diff] [blame] | 22 | #include "api/crypto/frame_encryptor_interface.h" |
Mirko Bonadei | 92ea95e | 2017-09-15 06:47:31 +0200 | [diff] [blame] | 23 | #include "audio/audio_state.h" |
Yves Gerey | 988cc08 | 2018-10-23 12:03:01 +0200 | [diff] [blame] | 24 | #include "audio/channel_send.h" |
Mirko Bonadei | 92ea95e | 2017-09-15 06:47:31 +0200 | [diff] [blame] | 25 | #include "audio/conversion.h" |
Yves Gerey | 988cc08 | 2018-10-23 12:03:01 +0200 | [diff] [blame] | 26 | #include "call/rtp_config.h" |
Mirko Bonadei | 92ea95e | 2017-09-15 06:47:31 +0200 | [diff] [blame] | 27 | #include "call/rtp_transport_controller_send_interface.h" |
Yves Gerey | 988cc08 | 2018-10-23 12:03:01 +0200 | [diff] [blame] | 28 | #include "common_audio/vad/include/vad.h" |
Oskar Sundbom | 56ef305 | 2018-10-30 16:11:02 +0100 | [diff] [blame] | 29 | #include "logging/rtc_event_log/events/rtc_event_audio_send_stream_config.h" |
| 30 | #include "logging/rtc_event_log/rtc_event_log.h" |
| 31 | #include "logging/rtc_event_log/rtc_stream_config.h" |
Mirko Bonadei | 92ea95e | 2017-09-15 06:47:31 +0200 | [diff] [blame] | 32 | #include "modules/audio_coding/codecs/cng/audio_encoder_cng.h" |
Yves Gerey | 988cc08 | 2018-10-23 12:03:01 +0200 | [diff] [blame] | 33 | #include "modules/audio_processing/include/audio_processing.h" |
Mirko Bonadei | 92ea95e | 2017-09-15 06:47:31 +0200 | [diff] [blame] | 34 | #include "rtc_base/checks.h" |
| 35 | #include "rtc_base/event.h" |
| 36 | #include "rtc_base/function_view.h" |
| 37 | #include "rtc_base/logging.h" |
Jonas Olsson | abbe841 | 2018-04-03 13:40:05 +0200 | [diff] [blame] | 38 | #include "rtc_base/strings/audio_format_to_string.h" |
Mirko Bonadei | 92ea95e | 2017-09-15 06:47:31 +0200 | [diff] [blame] | 39 | #include "rtc_base/task_queue.h" |
Steve Anton | 10542f2 | 2019-01-11 09:11:00 -0800 | [diff] [blame] | 40 | #include "rtc_base/time_utils.h" |
Alex Narest | cedd351 | 2017-12-07 20:54:55 +0100 | [diff] [blame] | 41 | #include "system_wrappers/include/field_trial.h" |
solenberg | c7a8b08 | 2015-10-16 14:35:07 -0700 | [diff] [blame] | 42 | |
| 43 | namespace webrtc { |
solenberg | c7a8b08 | 2015-10-16 14:35:07 -0700 | [diff] [blame] | 44 | namespace internal { |
Fredrik Solenberg | 8f5787a | 2018-01-11 13:52:30 +0100 | [diff] [blame] | 45 | namespace { |
eladalon | edd6eea | 2017-05-25 00:15:35 -0700 | [diff] [blame] | 46 | // TODO(eladalon): Subsequent CL will make these values experiment-dependent. |
elad.alon | d12a8e1 | 2017-03-23 11:04:48 -0700 | [diff] [blame] | 47 | constexpr size_t kPacketLossTrackerMaxWindowSizeMs = 15000; |
| 48 | constexpr size_t kPacketLossRateMinNumAckedPackets = 50; |
| 49 | constexpr size_t kRecoverablePacketLossRateMinNumAckedPairs = 40; |
| 50 | |
Niels Möller | dced9f6 | 2018-11-19 10:27:07 +0100 | [diff] [blame] | 51 | void CallEncoder(const std::unique_ptr<voe::ChannelSendInterface>& channel_send, |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 52 | rtc::FunctionView<void(AudioEncoder*)> lambda) { |
Niels Möller | dced9f6 | 2018-11-19 10:27:07 +0100 | [diff] [blame] | 53 | channel_send->ModifyEncoder([&](std::unique_ptr<AudioEncoder>* encoder_ptr) { |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 54 | RTC_DCHECK(encoder_ptr); |
| 55 | lambda(encoder_ptr->get()); |
| 56 | }); |
| 57 | } |
Fredrik Solenberg | 8f5787a | 2018-01-11 13:52:30 +0100 | [diff] [blame] | 58 | |
Oskar Sundbom | 56ef305 | 2018-10-30 16:11:02 +0100 | [diff] [blame] | 59 | void UpdateEventLogStreamConfig(RtcEventLog* event_log, |
| 60 | const AudioSendStream::Config& config, |
| 61 | const AudioSendStream::Config* old_config) { |
| 62 | using SendCodecSpec = AudioSendStream::Config::SendCodecSpec; |
| 63 | // Only update if any of the things we log have changed. |
| 64 | auto payload_types_equal = [](const absl::optional<SendCodecSpec>& a, |
| 65 | const absl::optional<SendCodecSpec>& b) { |
| 66 | if (a.has_value() && b.has_value()) { |
| 67 | return a->format.name == b->format.name && |
| 68 | a->payload_type == b->payload_type; |
| 69 | } |
| 70 | return !a.has_value() && !b.has_value(); |
| 71 | }; |
| 72 | |
| 73 | if (old_config && config.rtp.ssrc == old_config->rtp.ssrc && |
| 74 | config.rtp.extensions == old_config->rtp.extensions && |
| 75 | payload_types_equal(config.send_codec_spec, |
| 76 | old_config->send_codec_spec)) { |
| 77 | return; |
| 78 | } |
| 79 | |
| 80 | auto rtclog_config = absl::make_unique<rtclog::StreamConfig>(); |
| 81 | rtclog_config->local_ssrc = config.rtp.ssrc; |
| 82 | rtclog_config->rtp_extensions = config.rtp.extensions; |
| 83 | if (config.send_codec_spec) { |
| 84 | rtclog_config->codecs.emplace_back(config.send_codec_spec->format.name, |
| 85 | config.send_codec_spec->payload_type, 0); |
| 86 | } |
| 87 | event_log->Log(absl::make_unique<RtcEventAudioSendStreamConfig>( |
| 88 | std::move(rtclog_config))); |
| 89 | } |
| 90 | |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 91 | } // namespace |
| 92 | |
solenberg | 566ef24 | 2015-11-06 15:34:49 -0800 | [diff] [blame] | 93 | AudioSendStream::AudioSendStream( |
| 94 | const webrtc::AudioSendStream::Config& config, |
Stefan Holmer | b86d4e4 | 2015-12-07 10:26:18 +0100 | [diff] [blame] | 95 | const rtc::scoped_refptr<webrtc::AudioState>& audio_state, |
perkj | 26091b1 | 2016-09-01 01:17:40 -0700 | [diff] [blame] | 96 | rtc::TaskQueue* worker_queue, |
Fredrik Solenberg | 8f5787a | 2018-01-11 13:52:30 +0100 | [diff] [blame] | 97 | ProcessThread* module_process_thread, |
Niels Möller | 7d76a31 | 2018-10-26 12:57:07 +0200 | [diff] [blame] | 98 | RtpTransportControllerSendInterface* rtp_transport, |
Niels Möller | 67b011d | 2018-10-22 13:00:40 +0200 | [diff] [blame] | 99 | BitrateAllocatorInterface* bitrate_allocator, |
michaelt | 9332b7d | 2016-11-30 07:51:13 -0800 | [diff] [blame] | 100 | RtcEventLog* event_log, |
ossu | c3d4b48 | 2017-05-23 06:07:11 -0700 | [diff] [blame] | 101 | RtcpRttStats* rtcp_rtt_stats, |
Sam Zackrisson | ff05816 | 2018-11-20 17:15:13 +0100 | [diff] [blame] | 102 | const absl::optional<RtpState>& suspended_rtp_state) |
Fredrik Solenberg | 8f5787a | 2018-01-11 13:52:30 +0100 | [diff] [blame] | 103 | : AudioSendStream(config, |
| 104 | audio_state, |
| 105 | worker_queue, |
Niels Möller | 7d76a31 | 2018-10-26 12:57:07 +0200 | [diff] [blame] | 106 | rtp_transport, |
Fredrik Solenberg | 8f5787a | 2018-01-11 13:52:30 +0100 | [diff] [blame] | 107 | bitrate_allocator, |
| 108 | event_log, |
| 109 | rtcp_rtt_stats, |
| 110 | suspended_rtp_state, |
Niels Möller | dced9f6 | 2018-11-19 10:27:07 +0100 | [diff] [blame] | 111 | voe::CreateChannelSend(worker_queue, |
| 112 | module_process_thread, |
| 113 | config.media_transport, |
Niels Möller | e977199 | 2018-11-26 10:55:07 +0100 | [diff] [blame] | 114 | config.send_transport, |
Niels Möller | dced9f6 | 2018-11-19 10:27:07 +0100 | [diff] [blame] | 115 | rtcp_rtt_stats, |
| 116 | event_log, |
| 117 | config.frame_encryptor, |
| 118 | config.crypto_options, |
| 119 | config.rtp.extmap_allow_mixed, |
| 120 | config.rtcp_report_interval_ms)) {} |
Fredrik Solenberg | 8f5787a | 2018-01-11 13:52:30 +0100 | [diff] [blame] | 121 | |
| 122 | AudioSendStream::AudioSendStream( |
| 123 | const webrtc::AudioSendStream::Config& config, |
| 124 | const rtc::scoped_refptr<webrtc::AudioState>& audio_state, |
| 125 | rtc::TaskQueue* worker_queue, |
Niels Möller | 7d76a31 | 2018-10-26 12:57:07 +0200 | [diff] [blame] | 126 | RtpTransportControllerSendInterface* rtp_transport, |
Niels Möller | 67b011d | 2018-10-22 13:00:40 +0200 | [diff] [blame] | 127 | BitrateAllocatorInterface* bitrate_allocator, |
Fredrik Solenberg | 8f5787a | 2018-01-11 13:52:30 +0100 | [diff] [blame] | 128 | RtcEventLog* event_log, |
| 129 | RtcpRttStats* rtcp_rtt_stats, |
Danil Chapovalov | b9b146c | 2018-06-15 12:28:07 +0200 | [diff] [blame] | 130 | const absl::optional<RtpState>& suspended_rtp_state, |
Niels Möller | dced9f6 | 2018-11-19 10:27:07 +0100 | [diff] [blame] | 131 | std::unique_ptr<voe::ChannelSendInterface> channel_send) |
perkj | 26091b1 | 2016-09-01 01:17:40 -0700 | [diff] [blame] | 132 | : worker_queue_(worker_queue), |
Niels Möller | 7d76a31 | 2018-10-26 12:57:07 +0200 | [diff] [blame] | 133 | config_(Config(/*send_transport=*/nullptr, |
| 134 | /*media_transport=*/nullptr)), |
mflodman | 86cc6ff | 2016-07-26 04:44:06 -0700 | [diff] [blame] | 135 | audio_state_(audio_state), |
Niels Möller | dced9f6 | 2018-11-19 10:27:07 +0100 | [diff] [blame] | 136 | channel_send_(std::move(channel_send)), |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 137 | event_log_(event_log), |
michaelt | f4caaab | 2017-01-16 23:55:07 -0800 | [diff] [blame] | 138 | bitrate_allocator_(bitrate_allocator), |
Niels Möller | 7d76a31 | 2018-10-26 12:57:07 +0200 | [diff] [blame] | 139 | rtp_transport_(rtp_transport), |
elad.alon | d12a8e1 | 2017-03-23 11:04:48 -0700 | [diff] [blame] | 140 | packet_loss_tracker_(kPacketLossTrackerMaxWindowSizeMs, |
| 141 | kPacketLossRateMinNumAckedPackets, |
ossu | c3d4b48 | 2017-05-23 06:07:11 -0700 | [diff] [blame] | 142 | kRecoverablePacketLossRateMinNumAckedPairs), |
| 143 | rtp_rtcp_module_(nullptr), |
Sam Zackrisson | ff05816 | 2018-11-20 17:15:13 +0100 | [diff] [blame] | 144 | suspended_rtp_state_(suspended_rtp_state) { |
Jonas Olsson | 24ea822 | 2018-01-25 10:14:29 +0100 | [diff] [blame] | 145 | RTC_LOG(LS_INFO) << "AudioSendStream: " << config.rtp.ssrc; |
Fredrik Solenberg | 8f5787a | 2018-01-11 13:52:30 +0100 | [diff] [blame] | 146 | RTC_DCHECK(worker_queue_); |
| 147 | RTC_DCHECK(audio_state_); |
Niels Möller | dced9f6 | 2018-11-19 10:27:07 +0100 | [diff] [blame] | 148 | RTC_DCHECK(channel_send_); |
Fredrik Solenberg | 8f5787a | 2018-01-11 13:52:30 +0100 | [diff] [blame] | 149 | RTC_DCHECK(bitrate_allocator_); |
Niels Möller | 7d76a31 | 2018-10-26 12:57:07 +0200 | [diff] [blame] | 150 | // TODO(nisse): Eventually, we should have only media_transport. But for the |
| 151 | // time being, we can have either. When media transport is injected, there |
| 152 | // should be no rtp_transport, and below check should be strengthened to XOR |
| 153 | // (either rtp_transport or media_transport but not both). |
| 154 | RTC_DCHECK(rtp_transport || config.media_transport); |
solenberg | 3a94154 | 2015-11-16 07:34:50 -0800 | [diff] [blame] | 155 | |
Niels Möller | dced9f6 | 2018-11-19 10:27:07 +0100 | [diff] [blame] | 156 | rtp_rtcp_module_ = channel_send_->GetRtpRtcp(); |
ossu | c3d4b48 | 2017-05-23 06:07:11 -0700 | [diff] [blame] | 157 | RTC_DCHECK(rtp_rtcp_module_); |
mflodman | 3d7db26 | 2016-04-29 00:57:13 -0700 | [diff] [blame] | 158 | |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 159 | ConfigureStream(this, config, true); |
elad.alon | d12a8e1 | 2017-03-23 11:04:48 -0700 | [diff] [blame] | 160 | |
| 161 | pacer_thread_checker_.DetachFromThread(); |
Niels Möller | 7d76a31 | 2018-10-26 12:57:07 +0200 | [diff] [blame] | 162 | if (rtp_transport_) { |
| 163 | // Signal congestion controller this object is ready for OnPacket* |
| 164 | // callbacks. |
| 165 | rtp_transport_->RegisterPacketFeedbackObserver(this); |
| 166 | } |
solenberg | c7a8b08 | 2015-10-16 14:35:07 -0700 | [diff] [blame] | 167 | } |
| 168 | |
| 169 | AudioSendStream::~AudioSendStream() { |
elad.alon | d12a8e1 | 2017-03-23 11:04:48 -0700 | [diff] [blame] | 170 | RTC_DCHECK(worker_thread_checker_.CalledOnValidThread()); |
Jonas Olsson | 24ea822 | 2018-01-25 10:14:29 +0100 | [diff] [blame] | 171 | RTC_LOG(LS_INFO) << "~AudioSendStream: " << config_.rtp.ssrc; |
Fredrik Solenberg | 2a87797 | 2017-12-15 16:42:15 +0100 | [diff] [blame] | 172 | RTC_DCHECK(!sending_); |
Niels Möller | 7d76a31 | 2018-10-26 12:57:07 +0200 | [diff] [blame] | 173 | if (rtp_transport_) { |
| 174 | rtp_transport_->DeRegisterPacketFeedbackObserver(this); |
Niels Möller | dced9f6 | 2018-11-19 10:27:07 +0100 | [diff] [blame] | 175 | channel_send_->ResetSenderCongestionControlObjects(); |
Niels Möller | 7d76a31 | 2018-10-26 12:57:07 +0200 | [diff] [blame] | 176 | } |
solenberg | c7a8b08 | 2015-10-16 14:35:07 -0700 | [diff] [blame] | 177 | } |
| 178 | |
eladalon | abbc430 | 2017-07-26 02:09:44 -0700 | [diff] [blame] | 179 | const webrtc::AudioSendStream::Config& AudioSendStream::GetConfig() const { |
| 180 | RTC_DCHECK(worker_thread_checker_.CalledOnValidThread()); |
| 181 | return config_; |
| 182 | } |
| 183 | |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 184 | void AudioSendStream::Reconfigure( |
| 185 | const webrtc::AudioSendStream::Config& new_config) { |
Fredrik Solenberg | 2a87797 | 2017-12-15 16:42:15 +0100 | [diff] [blame] | 186 | RTC_DCHECK(worker_thread_checker_.CalledOnValidThread()); |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 187 | ConfigureStream(this, new_config, false); |
| 188 | } |
| 189 | |
Alex Narest | cedd351 | 2017-12-07 20:54:55 +0100 | [diff] [blame] | 190 | AudioSendStream::ExtensionIds AudioSendStream::FindExtensionIds( |
| 191 | const std::vector<RtpExtension>& extensions) { |
| 192 | ExtensionIds ids; |
| 193 | for (const auto& extension : extensions) { |
| 194 | if (extension.uri == RtpExtension::kAudioLevelUri) { |
| 195 | ids.audio_level = extension.id; |
| 196 | } else if (extension.uri == RtpExtension::kTransportSequenceNumberUri) { |
| 197 | ids.transport_sequence_number = extension.id; |
Steve Anton | bb50ce5 | 2018-03-26 10:24:32 -0700 | [diff] [blame] | 198 | } else if (extension.uri == RtpExtension::kMidUri) { |
| 199 | ids.mid = extension.id; |
Amit Hilbuch | 77938e6 | 2018-12-21 09:23:38 -0800 | [diff] [blame] | 200 | } else if (extension.uri == RtpExtension::kRidUri) { |
| 201 | ids.rid = extension.id; |
| 202 | } else if (extension.uri == RtpExtension::kRepairedRidUri) { |
| 203 | ids.repaired_rid = extension.id; |
Alex Narest | cedd351 | 2017-12-07 20:54:55 +0100 | [diff] [blame] | 204 | } |
| 205 | } |
| 206 | return ids; |
| 207 | } |
| 208 | |
Sebastian Jansson | 470a5ea | 2019-01-23 12:37:49 +0100 | [diff] [blame^] | 209 | int AudioSendStream::TransportSeqNumId(const AudioSendStream::Config& config) { |
| 210 | return FindExtensionIds(config.rtp.extensions).transport_sequence_number; |
| 211 | } |
| 212 | |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 213 | void AudioSendStream::ConfigureStream( |
| 214 | webrtc::internal::AudioSendStream* stream, |
| 215 | const webrtc::AudioSendStream::Config& new_config, |
| 216 | bool first_time) { |
Jonas Olsson | 24ea822 | 2018-01-25 10:14:29 +0100 | [diff] [blame] | 217 | RTC_LOG(LS_INFO) << "AudioSendStream::ConfigureStream: " |
| 218 | << new_config.ToString(); |
Oskar Sundbom | 56ef305 | 2018-10-30 16:11:02 +0100 | [diff] [blame] | 219 | UpdateEventLogStreamConfig(stream->event_log_, new_config, |
| 220 | first_time ? nullptr : &stream->config_); |
| 221 | |
Niels Möller | dced9f6 | 2018-11-19 10:27:07 +0100 | [diff] [blame] | 222 | const auto& channel_send = stream->channel_send_; |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 223 | const auto& old_config = stream->config_; |
| 224 | |
Niels Möller | e977199 | 2018-11-26 10:55:07 +0100 | [diff] [blame] | 225 | // Configuration parameters which cannot be changed. |
| 226 | RTC_DCHECK(first_time || |
| 227 | old_config.send_transport == new_config.send_transport); |
| 228 | |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 229 | if (first_time || old_config.rtp.ssrc != new_config.rtp.ssrc) { |
Niels Möller | dced9f6 | 2018-11-19 10:27:07 +0100 | [diff] [blame] | 230 | channel_send->SetLocalSSRC(new_config.rtp.ssrc); |
ossu | c3d4b48 | 2017-05-23 06:07:11 -0700 | [diff] [blame] | 231 | if (stream->suspended_rtp_state_) { |
| 232 | stream->rtp_rtcp_module_->SetRtpState(*stream->suspended_rtp_state_); |
| 233 | } |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 234 | } |
| 235 | if (first_time || old_config.rtp.c_name != new_config.rtp.c_name) { |
Niels Möller | dced9f6 | 2018-11-19 10:27:07 +0100 | [diff] [blame] | 236 | channel_send->SetRTCP_CNAME(new_config.rtp.c_name); |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 237 | } |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 238 | |
Benjamin Wright | 84583f6 | 2018-10-04 14:22:34 -0700 | [diff] [blame] | 239 | // Enable the frame encryptor if a new frame encryptor has been provided. |
| 240 | if (first_time || new_config.frame_encryptor != old_config.frame_encryptor) { |
Niels Möller | dced9f6 | 2018-11-19 10:27:07 +0100 | [diff] [blame] | 241 | channel_send->SetFrameEncryptor(new_config.frame_encryptor); |
Benjamin Wright | 84583f6 | 2018-10-04 14:22:34 -0700 | [diff] [blame] | 242 | } |
| 243 | |
Johannes Kron | 9190b82 | 2018-10-29 11:22:05 +0100 | [diff] [blame] | 244 | if (first_time || |
| 245 | new_config.rtp.extmap_allow_mixed != old_config.rtp.extmap_allow_mixed) { |
Niels Möller | dced9f6 | 2018-11-19 10:27:07 +0100 | [diff] [blame] | 246 | channel_send->SetExtmapAllowMixed(new_config.rtp.extmap_allow_mixed); |
Johannes Kron | 9190b82 | 2018-10-29 11:22:05 +0100 | [diff] [blame] | 247 | } |
| 248 | |
Alex Narest | cedd351 | 2017-12-07 20:54:55 +0100 | [diff] [blame] | 249 | const ExtensionIds old_ids = FindExtensionIds(old_config.rtp.extensions); |
| 250 | const ExtensionIds new_ids = FindExtensionIds(new_config.rtp.extensions); |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 251 | // Audio level indication |
| 252 | if (first_time || new_ids.audio_level != old_ids.audio_level) { |
Niels Möller | dced9f6 | 2018-11-19 10:27:07 +0100 | [diff] [blame] | 253 | channel_send->SetSendAudioLevelIndicationStatus(new_ids.audio_level != 0, |
| 254 | new_ids.audio_level); |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 255 | } |
Sebastian Jansson | 8d9c540 | 2017-11-15 17:22:16 +0100 | [diff] [blame] | 256 | bool transport_seq_num_id_changed = |
| 257 | new_ids.transport_sequence_number != old_ids.transport_sequence_number; |
Sebastian Jansson | 470a5ea | 2019-01-23 12:37:49 +0100 | [diff] [blame^] | 258 | if (first_time || (transport_seq_num_id_changed && |
| 259 | !stream->allocation_settings_.ForceNoAudioFeedback())) { |
ossu | 1129df2 | 2017-06-30 01:38:56 -0700 | [diff] [blame] | 260 | if (!first_time) { |
Niels Möller | dced9f6 | 2018-11-19 10:27:07 +0100 | [diff] [blame] | 261 | channel_send->ResetSenderCongestionControlObjects(); |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 262 | } |
| 263 | |
Sebastian Jansson | 8d9c540 | 2017-11-15 17:22:16 +0100 | [diff] [blame] | 264 | RtcpBandwidthObserver* bandwidth_observer = nullptr; |
Sebastian Jansson | 470a5ea | 2019-01-23 12:37:49 +0100 | [diff] [blame^] | 265 | |
| 266 | if (stream->allocation_settings_.IncludeAudioInFeedback( |
| 267 | new_ids.transport_sequence_number != 0)) { |
Niels Möller | dced9f6 | 2018-11-19 10:27:07 +0100 | [diff] [blame] | 268 | channel_send->EnableSendTransportSequenceNumber( |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 269 | new_ids.transport_sequence_number); |
Sebastian Jansson | 8d9c540 | 2017-11-15 17:22:16 +0100 | [diff] [blame] | 270 | // Probing in application limited region is only used in combination with |
| 271 | // send side congestion control, wich depends on feedback packets which |
| 272 | // requires transport sequence numbers to be enabled. |
Niels Möller | 7d76a31 | 2018-10-26 12:57:07 +0200 | [diff] [blame] | 273 | if (stream->rtp_transport_) { |
| 274 | stream->rtp_transport_->EnablePeriodicAlrProbing(true); |
| 275 | bandwidth_observer = stream->rtp_transport_->GetBandwidthObserver(); |
| 276 | } |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 277 | } |
Niels Möller | 7d76a31 | 2018-10-26 12:57:07 +0200 | [diff] [blame] | 278 | if (stream->rtp_transport_) { |
Niels Möller | dced9f6 | 2018-11-19 10:27:07 +0100 | [diff] [blame] | 279 | channel_send->RegisterSenderCongestionControlObjects( |
Niels Möller | 7d76a31 | 2018-10-26 12:57:07 +0200 | [diff] [blame] | 280 | stream->rtp_transport_, bandwidth_observer); |
| 281 | } |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 282 | } |
Steve Anton | bb50ce5 | 2018-03-26 10:24:32 -0700 | [diff] [blame] | 283 | // MID RTP header extension. |
Steve Anton | 003930a | 2018-03-29 12:37:21 -0700 | [diff] [blame] | 284 | if ((first_time || new_ids.mid != old_ids.mid || |
| 285 | new_config.rtp.mid != old_config.rtp.mid) && |
| 286 | new_ids.mid != 0 && !new_config.rtp.mid.empty()) { |
Niels Möller | dced9f6 | 2018-11-19 10:27:07 +0100 | [diff] [blame] | 287 | channel_send->SetMid(new_config.rtp.mid, new_ids.mid); |
Steve Anton | bb50ce5 | 2018-03-26 10:24:32 -0700 | [diff] [blame] | 288 | } |
| 289 | |
Amit Hilbuch | 77938e6 | 2018-12-21 09:23:38 -0800 | [diff] [blame] | 290 | // RID RTP header extension |
| 291 | if ((first_time || new_ids.rid != old_ids.rid || |
| 292 | new_ids.repaired_rid != old_ids.repaired_rid || |
| 293 | new_config.rtp.rid != old_config.rtp.rid)) { |
| 294 | channel_send->SetRid(new_config.rtp.rid, new_ids.rid, new_ids.repaired_rid); |
| 295 | } |
| 296 | |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 297 | if (!ReconfigureSendCodec(stream, new_config)) { |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame] | 298 | RTC_LOG(LS_ERROR) << "Failed to set up send codec state."; |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 299 | } |
| 300 | |
Oskar Sundbom | f85e31b | 2017-12-20 16:38:09 +0100 | [diff] [blame] | 301 | if (stream->sending_) { |
| 302 | ReconfigureBitrateObserver(stream, new_config); |
| 303 | } |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 304 | stream->config_ = new_config; |
| 305 | } |
| 306 | |
solenberg | 3a94154 | 2015-11-16 07:34:50 -0800 | [diff] [blame] | 307 | void AudioSendStream::Start() { |
elad.alon | d12a8e1 | 2017-03-23 11:04:48 -0700 | [diff] [blame] | 308 | RTC_DCHECK(worker_thread_checker_.CalledOnValidThread()); |
Fredrik Solenberg | 2a87797 | 2017-12-15 16:42:15 +0100 | [diff] [blame] | 309 | if (sending_) { |
| 310 | return; |
| 311 | } |
| 312 | |
Sebastian Jansson | 470a5ea | 2019-01-23 12:37:49 +0100 | [diff] [blame^] | 313 | if (allocation_settings_.IncludeAudioInAllocationOnStart( |
| 314 | config_.min_bitrate_bps, config_.max_bitrate_bps, config_.has_dscp, |
| 315 | TransportSeqNumId(config_))) { |
Niels Möller | 7d76a31 | 2018-10-26 12:57:07 +0200 | [diff] [blame] | 316 | rtp_transport_->packet_sender()->SetAccountForAudioPackets(true); |
Sebastian Jansson | b686396 | 2018-10-10 10:23:13 +0200 | [diff] [blame] | 317 | rtp_rtcp_module_->SetAsPartOfAllocation(true); |
Seth Hampson | 24722b3 | 2017-12-22 09:36:42 -0800 | [diff] [blame] | 318 | ConfigureBitrateObserver(config_.min_bitrate_bps, config_.max_bitrate_bps, |
Sebastian Jansson | 79f0d4d | 2019-01-23 09:41:43 +0100 | [diff] [blame] | 319 | config_.bitrate_priority); |
Sebastian Jansson | b686396 | 2018-10-10 10:23:13 +0200 | [diff] [blame] | 320 | } else { |
| 321 | rtp_rtcp_module_->SetAsPartOfAllocation(false); |
mflodman | 86cc6ff | 2016-07-26 04:44:06 -0700 | [diff] [blame] | 322 | } |
Niels Möller | dced9f6 | 2018-11-19 10:27:07 +0100 | [diff] [blame] | 323 | channel_send_->StartSend(); |
Fredrik Solenberg | 2a87797 | 2017-12-15 16:42:15 +0100 | [diff] [blame] | 324 | sending_ = true; |
| 325 | audio_state()->AddSendingStream(this, encoder_sample_rate_hz_, |
| 326 | encoder_num_channels_); |
solenberg | 3a94154 | 2015-11-16 07:34:50 -0800 | [diff] [blame] | 327 | } |
| 328 | |
| 329 | void AudioSendStream::Stop() { |
elad.alon | d12a8e1 | 2017-03-23 11:04:48 -0700 | [diff] [blame] | 330 | RTC_DCHECK(worker_thread_checker_.CalledOnValidThread()); |
Fredrik Solenberg | 2a87797 | 2017-12-15 16:42:15 +0100 | [diff] [blame] | 331 | if (!sending_) { |
| 332 | return; |
| 333 | } |
| 334 | |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 335 | RemoveBitrateObserver(); |
Niels Möller | dced9f6 | 2018-11-19 10:27:07 +0100 | [diff] [blame] | 336 | channel_send_->StopSend(); |
Fredrik Solenberg | 2a87797 | 2017-12-15 16:42:15 +0100 | [diff] [blame] | 337 | sending_ = false; |
| 338 | audio_state()->RemoveSendingStream(this); |
| 339 | } |
| 340 | |
| 341 | void AudioSendStream::SendAudioData(std::unique_ptr<AudioFrame> audio_frame) { |
| 342 | RTC_CHECK_RUNS_SERIALIZED(&audio_capture_race_checker_); |
Niels Möller | dced9f6 | 2018-11-19 10:27:07 +0100 | [diff] [blame] | 343 | channel_send_->ProcessAndEncodeAudio(std::move(audio_frame)); |
solenberg | 3a94154 | 2015-11-16 07:34:50 -0800 | [diff] [blame] | 344 | } |
| 345 | |
solenberg | ffbbcac | 2016-11-17 05:25:37 -0800 | [diff] [blame] | 346 | bool AudioSendStream::SendTelephoneEvent(int payload_type, |
Yves Gerey | 665174f | 2018-06-19 15:03:05 +0200 | [diff] [blame] | 347 | int payload_frequency, |
| 348 | int event, |
solenberg | 8842c3e | 2016-03-11 03:06:41 -0800 | [diff] [blame] | 349 | int duration_ms) { |
elad.alon | d12a8e1 | 2017-03-23 11:04:48 -0700 | [diff] [blame] | 350 | RTC_DCHECK(worker_thread_checker_.CalledOnValidThread()); |
Niels Möller | dced9f6 | 2018-11-19 10:27:07 +0100 | [diff] [blame] | 351 | return channel_send_->SetSendTelephoneEventPayloadType(payload_type, |
| 352 | payload_frequency) && |
| 353 | channel_send_->SendTelephoneEventOutband(event, duration_ms); |
Fredrik Solenberg | b572768 | 2015-12-04 15:22:19 +0100 | [diff] [blame] | 354 | } |
| 355 | |
solenberg | 9421853 | 2016-06-16 10:53:22 -0700 | [diff] [blame] | 356 | void AudioSendStream::SetMuted(bool muted) { |
elad.alon | d12a8e1 | 2017-03-23 11:04:48 -0700 | [diff] [blame] | 357 | RTC_DCHECK(worker_thread_checker_.CalledOnValidThread()); |
Niels Möller | dced9f6 | 2018-11-19 10:27:07 +0100 | [diff] [blame] | 358 | channel_send_->SetInputMute(muted); |
solenberg | 9421853 | 2016-06-16 10:53:22 -0700 | [diff] [blame] | 359 | } |
| 360 | |
solenberg | c7a8b08 | 2015-10-16 14:35:07 -0700 | [diff] [blame] | 361 | webrtc::AudioSendStream::Stats AudioSendStream::GetStats() const { |
Ivo Creusen | 56d4609 | 2017-11-24 17:29:59 +0100 | [diff] [blame] | 362 | return GetStats(true); |
| 363 | } |
| 364 | |
| 365 | webrtc::AudioSendStream::Stats AudioSendStream::GetStats( |
| 366 | bool has_remote_tracks) const { |
elad.alon | d12a8e1 | 2017-03-23 11:04:48 -0700 | [diff] [blame] | 367 | RTC_DCHECK(worker_thread_checker_.CalledOnValidThread()); |
solenberg | 85a0496 | 2015-10-27 03:35:21 -0700 | [diff] [blame] | 368 | webrtc::AudioSendStream::Stats stats; |
| 369 | stats.local_ssrc = config_.rtp.ssrc; |
Niels Möller | dced9f6 | 2018-11-19 10:27:07 +0100 | [diff] [blame] | 370 | stats.target_bitrate_bps = channel_send_->GetBitrate(); |
solenberg | 85a0496 | 2015-10-27 03:35:21 -0700 | [diff] [blame] | 371 | |
Niels Möller | dced9f6 | 2018-11-19 10:27:07 +0100 | [diff] [blame] | 372 | webrtc::CallSendStatistics call_stats = channel_send_->GetRTCPStatistics(); |
solenberg | 85a0496 | 2015-10-27 03:35:21 -0700 | [diff] [blame] | 373 | stats.bytes_sent = call_stats.bytesSent; |
| 374 | stats.packets_sent = call_stats.packetsSent; |
solenberg | 8b85de2 | 2015-11-16 09:48:04 -0800 | [diff] [blame] | 375 | // RTT isn't known until a RTCP report is received. Until then, VoiceEngine |
| 376 | // returns 0 to indicate an error value. |
| 377 | if (call_stats.rttMs > 0) { |
| 378 | stats.rtt_ms = call_stats.rttMs; |
| 379 | } |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 380 | if (config_.send_codec_spec) { |
| 381 | const auto& spec = *config_.send_codec_spec; |
| 382 | stats.codec_name = spec.format.name; |
Oskar Sundbom | 2707fb2 | 2017-11-16 10:57:35 +0100 | [diff] [blame] | 383 | stats.codec_payload_type = spec.payload_type; |
solenberg | 85a0496 | 2015-10-27 03:35:21 -0700 | [diff] [blame] | 384 | |
| 385 | // Get data from the last remote RTCP report. |
Niels Möller | dced9f6 | 2018-11-19 10:27:07 +0100 | [diff] [blame] | 386 | for (const auto& block : channel_send_->GetRemoteRTCPReportBlocks()) { |
solenberg | 8b85de2 | 2015-11-16 09:48:04 -0800 | [diff] [blame] | 387 | // Lookup report for send ssrc only. |
| 388 | if (block.source_SSRC == stats.local_ssrc) { |
| 389 | stats.packets_lost = block.cumulative_num_packets_lost; |
| 390 | stats.fraction_lost = Q8ToFloat(block.fraction_lost); |
| 391 | stats.ext_seqnum = block.extended_highest_sequence_number; |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 392 | // Convert timestamps to milliseconds. |
| 393 | if (spec.format.clockrate_hz / 1000 > 0) { |
solenberg | 8b85de2 | 2015-11-16 09:48:04 -0800 | [diff] [blame] | 394 | stats.jitter_ms = |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 395 | block.interarrival_jitter / (spec.format.clockrate_hz / 1000); |
solenberg | 85a0496 | 2015-10-27 03:35:21 -0700 | [diff] [blame] | 396 | } |
solenberg | 8b85de2 | 2015-11-16 09:48:04 -0800 | [diff] [blame] | 397 | break; |
solenberg | 85a0496 | 2015-10-27 03:35:21 -0700 | [diff] [blame] | 398 | } |
| 399 | } |
| 400 | } |
| 401 | |
Fredrik Solenberg | 2a87797 | 2017-12-15 16:42:15 +0100 | [diff] [blame] | 402 | AudioState::Stats input_stats = audio_state()->GetAudioInputStats(); |
| 403 | stats.audio_level = input_stats.audio_level; |
| 404 | stats.total_input_energy = input_stats.total_energy; |
| 405 | stats.total_input_duration = input_stats.total_duration; |
solenberg | 796b8f9 | 2017-03-01 17:02:23 -0800 | [diff] [blame] | 406 | |
Fredrik Solenberg | 2a87797 | 2017-12-15 16:42:15 +0100 | [diff] [blame] | 407 | stats.typing_noise_detected = audio_state()->typing_noise_detected(); |
Niels Möller | dced9f6 | 2018-11-19 10:27:07 +0100 | [diff] [blame] | 408 | stats.ana_statistics = channel_send_->GetANAStatistics(); |
Ivo Creusen | 56d4609 | 2017-11-24 17:29:59 +0100 | [diff] [blame] | 409 | RTC_DCHECK(audio_state_->audio_processing()); |
| 410 | stats.apm_statistics = |
| 411 | audio_state_->audio_processing()->GetStatistics(has_remote_tracks); |
solenberg | 85a0496 | 2015-10-27 03:35:21 -0700 | [diff] [blame] | 412 | |
| 413 | return stats; |
| 414 | } |
| 415 | |
pbos | 1ba8d39 | 2016-05-01 20:18:34 -0700 | [diff] [blame] | 416 | void AudioSendStream::SignalNetworkState(NetworkState state) { |
elad.alon | d12a8e1 | 2017-03-23 11:04:48 -0700 | [diff] [blame] | 417 | RTC_DCHECK(worker_thread_checker_.CalledOnValidThread()); |
pbos | 1ba8d39 | 2016-05-01 20:18:34 -0700 | [diff] [blame] | 418 | } |
| 419 | |
| 420 | bool AudioSendStream::DeliverRtcp(const uint8_t* packet, size_t length) { |
| 421 | // TODO(solenberg): Tests call this function on a network thread, libjingle |
| 422 | // calls on the worker thread. We should move towards always using a network |
| 423 | // thread. Then this check can be enabled. |
elad.alon | d12a8e1 | 2017-03-23 11:04:48 -0700 | [diff] [blame] | 424 | // RTC_DCHECK(!worker_thread_checker_.CalledOnValidThread()); |
Niels Möller | dced9f6 | 2018-11-19 10:27:07 +0100 | [diff] [blame] | 425 | return channel_send_->ReceivedRTCPPacket(packet, length); |
pbos | 1ba8d39 | 2016-05-01 20:18:34 -0700 | [diff] [blame] | 426 | } |
| 427 | |
Sebastian Jansson | c0e4d45 | 2018-10-25 15:08:32 +0200 | [diff] [blame] | 428 | uint32_t AudioSendStream::OnBitrateUpdated(BitrateAllocationUpdate update) { |
stefan | fca900a | 2017-04-10 03:53:00 -0700 | [diff] [blame] | 429 | // A send stream may be allocated a bitrate of zero if the allocator decides |
| 430 | // to disable it. For now we ignore this decision and keep sending on min |
| 431 | // bitrate. |
Sebastian Jansson | 13e5903 | 2018-11-21 19:13:07 +0100 | [diff] [blame] | 432 | if (update.target_bitrate.IsZero()) { |
| 433 | update.target_bitrate = DataRate::bps(config_.min_bitrate_bps); |
stefan | fca900a | 2017-04-10 03:53:00 -0700 | [diff] [blame] | 434 | } |
Sebastian Jansson | 13e5903 | 2018-11-21 19:13:07 +0100 | [diff] [blame] | 435 | RTC_DCHECK_GE(update.target_bitrate.bps<int>(), config_.min_bitrate_bps); |
mflodman | 86cc6ff | 2016-07-26 04:44:06 -0700 | [diff] [blame] | 436 | // The bitrate allocator might allocate an higher than max configured bitrate |
| 437 | // if there is room, to allow for, as example, extra FEC. Ignore that for now. |
Sebastian Jansson | 13e5903 | 2018-11-21 19:13:07 +0100 | [diff] [blame] | 438 | const DataRate max_bitrate = DataRate::bps(config_.max_bitrate_bps); |
| 439 | if (update.target_bitrate > max_bitrate) |
| 440 | update.target_bitrate = max_bitrate; |
mflodman | 86cc6ff | 2016-07-26 04:44:06 -0700 | [diff] [blame] | 441 | |
Sebastian Jansson | 254d869 | 2018-11-21 19:19:00 +0100 | [diff] [blame] | 442 | channel_send_->OnBitrateAllocation(update); |
mflodman | 86cc6ff | 2016-07-26 04:44:06 -0700 | [diff] [blame] | 443 | |
| 444 | // The amount of audio protection is not exposed by the encoder, hence |
| 445 | // always returning 0. |
| 446 | return 0; |
| 447 | } |
| 448 | |
elad.alon | d12a8e1 | 2017-03-23 11:04:48 -0700 | [diff] [blame] | 449 | void AudioSendStream::OnPacketAdded(uint32_t ssrc, uint16_t seq_num) { |
| 450 | RTC_DCHECK(pacer_thread_checker_.CalledOnValidThread()); |
| 451 | // Only packets that belong to this stream are of interest. |
| 452 | if (ssrc == config_.rtp.ssrc) { |
| 453 | rtc::CritScope lock(&packet_loss_tracker_cs_); |
eladalon | edd6eea | 2017-05-25 00:15:35 -0700 | [diff] [blame] | 454 | // TODO(eladalon): This function call could potentially reset the window, |
elad.alon | d12a8e1 | 2017-03-23 11:04:48 -0700 | [diff] [blame] | 455 | // setting both PLR and RPLR to unknown. Consider (during upcoming |
| 456 | // refactoring) passing an indication of such an event. |
| 457 | packet_loss_tracker_.OnPacketAdded(seq_num, rtc::TimeMillis()); |
| 458 | } |
| 459 | } |
| 460 | |
| 461 | void AudioSendStream::OnPacketFeedbackVector( |
| 462 | const std::vector<PacketFeedback>& packet_feedback_vector) { |
eladalon | 3651fdd | 2017-08-24 07:26:25 -0700 | [diff] [blame] | 463 | RTC_DCHECK(worker_thread_checker_.CalledOnValidThread()); |
Danil Chapovalov | b9b146c | 2018-06-15 12:28:07 +0200 | [diff] [blame] | 464 | absl::optional<float> plr; |
| 465 | absl::optional<float> rplr; |
elad.alon | d12a8e1 | 2017-03-23 11:04:48 -0700 | [diff] [blame] | 466 | { |
| 467 | rtc::CritScope lock(&packet_loss_tracker_cs_); |
| 468 | packet_loss_tracker_.OnPacketFeedbackVector(packet_feedback_vector); |
| 469 | plr = packet_loss_tracker_.GetPacketLossRate(); |
elad.alon | dadb4dc | 2017-03-23 15:29:50 -0700 | [diff] [blame] | 470 | rplr = packet_loss_tracker_.GetRecoverablePacketLossRate(); |
elad.alon | d12a8e1 | 2017-03-23 11:04:48 -0700 | [diff] [blame] | 471 | } |
eladalon | edd6eea | 2017-05-25 00:15:35 -0700 | [diff] [blame] | 472 | // TODO(eladalon): If R/PLR go back to unknown, no indication is given that |
elad.alon | d12a8e1 | 2017-03-23 11:04:48 -0700 | [diff] [blame] | 473 | // the previously sent value is no longer relevant. This will be taken care |
| 474 | // of with some refactoring which is now being done. |
| 475 | if (plr) { |
Niels Möller | dced9f6 | 2018-11-19 10:27:07 +0100 | [diff] [blame] | 476 | channel_send_->OnTwccBasedUplinkPacketLossRate(*plr); |
elad.alon | d12a8e1 | 2017-03-23 11:04:48 -0700 | [diff] [blame] | 477 | } |
elad.alon | dadb4dc | 2017-03-23 15:29:50 -0700 | [diff] [blame] | 478 | if (rplr) { |
Niels Möller | dced9f6 | 2018-11-19 10:27:07 +0100 | [diff] [blame] | 479 | channel_send_->OnRecoverableUplinkPacketLossRate(*rplr); |
elad.alon | dadb4dc | 2017-03-23 15:29:50 -0700 | [diff] [blame] | 480 | } |
elad.alon | d12a8e1 | 2017-03-23 11:04:48 -0700 | [diff] [blame] | 481 | } |
| 482 | |
michaelt | 79e0588 | 2016-11-08 02:50:09 -0800 | [diff] [blame] | 483 | void AudioSendStream::SetTransportOverhead(int transport_overhead_per_packet) { |
elad.alon | d12a8e1 | 2017-03-23 11:04:48 -0700 | [diff] [blame] | 484 | RTC_DCHECK(worker_thread_checker_.CalledOnValidThread()); |
Niels Möller | dced9f6 | 2018-11-19 10:27:07 +0100 | [diff] [blame] | 485 | channel_send_->SetTransportOverhead(transport_overhead_per_packet); |
michaelt | 79e0588 | 2016-11-08 02:50:09 -0800 | [diff] [blame] | 486 | } |
| 487 | |
ossu | c3d4b48 | 2017-05-23 06:07:11 -0700 | [diff] [blame] | 488 | RtpState AudioSendStream::GetRtpState() const { |
| 489 | return rtp_rtcp_module_->GetRtpState(); |
| 490 | } |
| 491 | |
Niels Möller | dced9f6 | 2018-11-19 10:27:07 +0100 | [diff] [blame] | 492 | const voe::ChannelSendInterface* AudioSendStream::GetChannel() const { |
| 493 | return channel_send_.get(); |
Fredrik Solenberg | 8f5787a | 2018-01-11 13:52:30 +0100 | [diff] [blame] | 494 | } |
| 495 | |
Fredrik Solenberg | 2a87797 | 2017-12-15 16:42:15 +0100 | [diff] [blame] | 496 | internal::AudioState* AudioSendStream::audio_state() { |
| 497 | internal::AudioState* audio_state = |
| 498 | static_cast<internal::AudioState*>(audio_state_.get()); |
| 499 | RTC_DCHECK(audio_state); |
| 500 | return audio_state; |
| 501 | } |
| 502 | |
| 503 | const internal::AudioState* AudioSendStream::audio_state() const { |
| 504 | internal::AudioState* audio_state = |
| 505 | static_cast<internal::AudioState*>(audio_state_.get()); |
| 506 | RTC_DCHECK(audio_state); |
| 507 | return audio_state; |
| 508 | } |
| 509 | |
Fredrik Solenberg | 2a87797 | 2017-12-15 16:42:15 +0100 | [diff] [blame] | 510 | void AudioSendStream::StoreEncoderProperties(int sample_rate_hz, |
| 511 | size_t num_channels) { |
| 512 | RTC_DCHECK(worker_thread_checker_.CalledOnValidThread()); |
| 513 | encoder_sample_rate_hz_ = sample_rate_hz; |
| 514 | encoder_num_channels_ = num_channels; |
| 515 | if (sending_) { |
| 516 | // Update AudioState's information about the stream. |
| 517 | audio_state()->AddSendingStream(this, sample_rate_hz, num_channels); |
| 518 | } |
| 519 | } |
| 520 | |
minyue | 7a97344 | 2016-10-20 03:27:12 -0700 | [diff] [blame] | 521 | // Apply current codec settings to a single voe::Channel used for sending. |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 522 | bool AudioSendStream::SetupSendCodec(AudioSendStream* stream, |
| 523 | const Config& new_config) { |
| 524 | RTC_DCHECK(new_config.send_codec_spec); |
| 525 | const auto& spec = *new_config.send_codec_spec; |
minyue | 48368ad | 2017-05-10 04:06:11 -0700 | [diff] [blame] | 526 | |
| 527 | RTC_DCHECK(new_config.encoder_factory); |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 528 | std::unique_ptr<AudioEncoder> encoder = |
Karl Wiberg | 77490b9 | 2018-03-21 15:18:42 +0100 | [diff] [blame] | 529 | new_config.encoder_factory->MakeAudioEncoder( |
| 530 | spec.payload_type, spec.format, new_config.codec_pair_id); |
minyue | 7a97344 | 2016-10-20 03:27:12 -0700 | [diff] [blame] | 531 | |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 532 | if (!encoder) { |
Jonas Olsson | abbe841 | 2018-04-03 13:40:05 +0200 | [diff] [blame] | 533 | RTC_DLOG(LS_ERROR) << "Unable to create encoder for " |
| 534 | << rtc::ToString(spec.format); |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 535 | return false; |
| 536 | } |
Alex Narest | bbbe4e1 | 2018-07-13 10:32:58 +0200 | [diff] [blame] | 537 | |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 538 | // If a bitrate has been specified for the codec, use it over the |
| 539 | // codec's default. |
Sebastian Jansson | 470a5ea | 2019-01-23 12:37:49 +0100 | [diff] [blame^] | 540 | if (stream->allocation_settings_.UpdateAudioTargetBitrate( |
| 541 | TransportSeqNumId(new_config)) && |
| 542 | spec.target_bitrate_bps) { |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 543 | encoder->OnReceivedTargetAudioBitrate(*spec.target_bitrate_bps); |
minyue | 7a97344 | 2016-10-20 03:27:12 -0700 | [diff] [blame] | 544 | } |
| 545 | |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 546 | // Enable ANA if configured (currently only used by Opus). |
| 547 | if (new_config.audio_network_adaptor_config) { |
| 548 | if (encoder->EnableAudioNetworkAdaptor( |
| 549 | *new_config.audio_network_adaptor_config, stream->event_log_)) { |
Jonas Olsson | 24ea822 | 2018-01-25 10:14:29 +0100 | [diff] [blame] | 550 | RTC_DLOG(LS_INFO) << "Audio network adaptor enabled on SSRC " |
| 551 | << new_config.rtp.ssrc; |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 552 | } else { |
| 553 | RTC_NOTREACHED(); |
minyue | 6b825df | 2016-10-31 04:08:32 -0700 | [diff] [blame] | 554 | } |
minyue | 7a97344 | 2016-10-20 03:27:12 -0700 | [diff] [blame] | 555 | } |
| 556 | |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 557 | // Wrap the encoder in a an AudioEncoderCNG, if VAD is enabled. |
| 558 | if (spec.cng_payload_type) { |
Karl Wiberg | 2365936 | 2018-11-01 11:13:44 +0100 | [diff] [blame] | 559 | AudioEncoderCngConfig cng_config; |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 560 | cng_config.num_channels = encoder->NumChannels(); |
| 561 | cng_config.payload_type = *spec.cng_payload_type; |
| 562 | cng_config.speech_encoder = std::move(encoder); |
| 563 | cng_config.vad_mode = Vad::kVadNormal; |
Karl Wiberg | 2365936 | 2018-11-01 11:13:44 +0100 | [diff] [blame] | 564 | encoder = CreateComfortNoiseEncoder(std::move(cng_config)); |
ossu | 3b9ff38 | 2017-04-27 08:03:42 -0700 | [diff] [blame] | 565 | |
| 566 | stream->RegisterCngPayloadType( |
| 567 | *spec.cng_payload_type, |
| 568 | new_config.send_codec_spec->format.clockrate_hz); |
minyue | 7a97344 | 2016-10-20 03:27:12 -0700 | [diff] [blame] | 569 | } |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 570 | |
Fredrik Solenberg | 2a87797 | 2017-12-15 16:42:15 +0100 | [diff] [blame] | 571 | stream->StoreEncoderProperties(encoder->SampleRateHz(), |
| 572 | encoder->NumChannels()); |
Niels Möller | dced9f6 | 2018-11-19 10:27:07 +0100 | [diff] [blame] | 573 | stream->channel_send_->SetEncoder(new_config.send_codec_spec->payload_type, |
| 574 | std::move(encoder)); |
minyue | 7a97344 | 2016-10-20 03:27:12 -0700 | [diff] [blame] | 575 | return true; |
| 576 | } |
| 577 | |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 578 | bool AudioSendStream::ReconfigureSendCodec(AudioSendStream* stream, |
| 579 | const Config& new_config) { |
| 580 | const auto& old_config = stream->config_; |
minyue-webrtc | 8de1826 | 2017-07-26 14:18:40 +0200 | [diff] [blame] | 581 | |
| 582 | if (!new_config.send_codec_spec) { |
| 583 | // We cannot de-configure a send codec. So we will do nothing. |
| 584 | // By design, the send codec should have not been configured. |
| 585 | RTC_DCHECK(!old_config.send_codec_spec); |
| 586 | return true; |
| 587 | } |
| 588 | |
| 589 | if (new_config.send_codec_spec == old_config.send_codec_spec && |
| 590 | new_config.audio_network_adaptor_config == |
| 591 | old_config.audio_network_adaptor_config) { |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 592 | return true; |
| 593 | } |
| 594 | |
| 595 | // If we have no encoder, or the format or payload type's changed, create a |
| 596 | // new encoder. |
| 597 | if (!old_config.send_codec_spec || |
| 598 | new_config.send_codec_spec->format != |
| 599 | old_config.send_codec_spec->format || |
| 600 | new_config.send_codec_spec->payload_type != |
| 601 | old_config.send_codec_spec->payload_type) { |
| 602 | return SetupSendCodec(stream, new_config); |
| 603 | } |
| 604 | |
Danil Chapovalov | b9b146c | 2018-06-15 12:28:07 +0200 | [diff] [blame] | 605 | const absl::optional<int>& new_target_bitrate_bps = |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 606 | new_config.send_codec_spec->target_bitrate_bps; |
| 607 | // If a bitrate has been specified for the codec, use it over the |
| 608 | // codec's default. |
Sebastian Jansson | 470a5ea | 2019-01-23 12:37:49 +0100 | [diff] [blame^] | 609 | if (stream->allocation_settings_.UpdateAudioTargetBitrate( |
| 610 | TransportSeqNumId(new_config)) && |
| 611 | new_target_bitrate_bps && |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 612 | new_target_bitrate_bps != |
| 613 | old_config.send_codec_spec->target_bitrate_bps) { |
Niels Möller | dced9f6 | 2018-11-19 10:27:07 +0100 | [diff] [blame] | 614 | CallEncoder(stream->channel_send_, [&](AudioEncoder* encoder) { |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 615 | encoder->OnReceivedTargetAudioBitrate(*new_target_bitrate_bps); |
| 616 | }); |
| 617 | } |
| 618 | |
| 619 | ReconfigureANA(stream, new_config); |
| 620 | ReconfigureCNG(stream, new_config); |
| 621 | |
| 622 | return true; |
| 623 | } |
| 624 | |
| 625 | void AudioSendStream::ReconfigureANA(AudioSendStream* stream, |
| 626 | const Config& new_config) { |
| 627 | if (new_config.audio_network_adaptor_config == |
| 628 | stream->config_.audio_network_adaptor_config) { |
| 629 | return; |
| 630 | } |
| 631 | if (new_config.audio_network_adaptor_config) { |
Niels Möller | dced9f6 | 2018-11-19 10:27:07 +0100 | [diff] [blame] | 632 | CallEncoder(stream->channel_send_, [&](AudioEncoder* encoder) { |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 633 | if (encoder->EnableAudioNetworkAdaptor( |
| 634 | *new_config.audio_network_adaptor_config, stream->event_log_)) { |
Jonas Olsson | 24ea822 | 2018-01-25 10:14:29 +0100 | [diff] [blame] | 635 | RTC_DLOG(LS_INFO) << "Audio network adaptor enabled on SSRC " |
| 636 | << new_config.rtp.ssrc; |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 637 | } else { |
| 638 | RTC_NOTREACHED(); |
| 639 | } |
| 640 | }); |
| 641 | } else { |
Niels Möller | dced9f6 | 2018-11-19 10:27:07 +0100 | [diff] [blame] | 642 | CallEncoder(stream->channel_send_, [&](AudioEncoder* encoder) { |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 643 | encoder->DisableAudioNetworkAdaptor(); |
| 644 | }); |
Jonas Olsson | 24ea822 | 2018-01-25 10:14:29 +0100 | [diff] [blame] | 645 | RTC_DLOG(LS_INFO) << "Audio network adaptor disabled on SSRC " |
| 646 | << new_config.rtp.ssrc; |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 647 | } |
| 648 | } |
| 649 | |
| 650 | void AudioSendStream::ReconfigureCNG(AudioSendStream* stream, |
| 651 | const Config& new_config) { |
| 652 | if (new_config.send_codec_spec->cng_payload_type == |
| 653 | stream->config_.send_codec_spec->cng_payload_type) { |
| 654 | return; |
| 655 | } |
| 656 | |
ossu | 3b9ff38 | 2017-04-27 08:03:42 -0700 | [diff] [blame] | 657 | // Register the CNG payload type if it's been added, don't do anything if CNG |
| 658 | // is removed. Payload types must not be redefined. |
| 659 | if (new_config.send_codec_spec->cng_payload_type) { |
| 660 | stream->RegisterCngPayloadType( |
| 661 | *new_config.send_codec_spec->cng_payload_type, |
| 662 | new_config.send_codec_spec->format.clockrate_hz); |
| 663 | } |
| 664 | |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 665 | // Wrap or unwrap the encoder in an AudioEncoderCNG. |
Niels Möller | dced9f6 | 2018-11-19 10:27:07 +0100 | [diff] [blame] | 666 | stream->channel_send_->ModifyEncoder( |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 667 | [&](std::unique_ptr<AudioEncoder>* encoder_ptr) { |
| 668 | std::unique_ptr<AudioEncoder> old_encoder(std::move(*encoder_ptr)); |
| 669 | auto sub_encoders = old_encoder->ReclaimContainedEncoders(); |
| 670 | if (!sub_encoders.empty()) { |
| 671 | // Replace enc with its sub encoder. We need to put the sub |
| 672 | // encoder in a temporary first, since otherwise the old value |
| 673 | // of enc would be destroyed before the new value got assigned, |
| 674 | // which would be bad since the new value is a part of the old |
| 675 | // value. |
| 676 | auto tmp = std::move(sub_encoders[0]); |
| 677 | old_encoder = std::move(tmp); |
| 678 | } |
| 679 | if (new_config.send_codec_spec->cng_payload_type) { |
Karl Wiberg | 2365936 | 2018-11-01 11:13:44 +0100 | [diff] [blame] | 680 | AudioEncoderCngConfig config; |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 681 | config.speech_encoder = std::move(old_encoder); |
| 682 | config.num_channels = config.speech_encoder->NumChannels(); |
| 683 | config.payload_type = *new_config.send_codec_spec->cng_payload_type; |
| 684 | config.vad_mode = Vad::kVadNormal; |
Karl Wiberg | 2365936 | 2018-11-01 11:13:44 +0100 | [diff] [blame] | 685 | *encoder_ptr = CreateComfortNoiseEncoder(std::move(config)); |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 686 | } else { |
| 687 | *encoder_ptr = std::move(old_encoder); |
| 688 | } |
| 689 | }); |
| 690 | } |
| 691 | |
| 692 | void AudioSendStream::ReconfigureBitrateObserver( |
| 693 | AudioSendStream* stream, |
| 694 | const webrtc::AudioSendStream::Config& new_config) { |
| 695 | // Since the Config's default is for both of these to be -1, this test will |
| 696 | // allow us to configure the bitrate observer if the new config has bitrate |
| 697 | // limits set, but would only have us call RemoveBitrateObserver if we were |
| 698 | // previously configured with bitrate limits. |
| 699 | if (stream->config_.min_bitrate_bps == new_config.min_bitrate_bps && |
Alex Narest | cedd351 | 2017-12-07 20:54:55 +0100 | [diff] [blame] | 700 | stream->config_.max_bitrate_bps == new_config.max_bitrate_bps && |
Seth Hampson | 24722b3 | 2017-12-22 09:36:42 -0800 | [diff] [blame] | 701 | stream->config_.bitrate_priority == new_config.bitrate_priority && |
Sebastian Jansson | 470a5ea | 2019-01-23 12:37:49 +0100 | [diff] [blame^] | 702 | (TransportSeqNumId(stream->config_) == TransportSeqNumId(new_config) || |
| 703 | stream->allocation_settings_.IgnoreSeqNumIdChange())) { |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 704 | return; |
| 705 | } |
| 706 | |
Sebastian Jansson | 470a5ea | 2019-01-23 12:37:49 +0100 | [diff] [blame^] | 707 | if (stream->allocation_settings_.IncludeAudioInAllocationOnReconfigure( |
| 708 | new_config.min_bitrate_bps, new_config.max_bitrate_bps, |
| 709 | new_config.has_dscp, TransportSeqNumId(new_config))) { |
Niels Möller | 7d76a31 | 2018-10-26 12:57:07 +0200 | [diff] [blame] | 710 | stream->rtp_transport_->packet_sender()->SetAccountForAudioPackets(true); |
Sebastian Jansson | 79f0d4d | 2019-01-23 09:41:43 +0100 | [diff] [blame] | 711 | stream->ConfigureBitrateObserver(new_config.min_bitrate_bps, |
| 712 | new_config.max_bitrate_bps, |
| 713 | new_config.bitrate_priority); |
Sebastian Jansson | 470a5ea | 2019-01-23 12:37:49 +0100 | [diff] [blame^] | 714 | stream->rtp_rtcp_module_->SetAsPartOfAllocation(true); |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 715 | } else { |
Niels Möller | 7d76a31 | 2018-10-26 12:57:07 +0200 | [diff] [blame] | 716 | stream->rtp_transport_->packet_sender()->SetAccountForAudioPackets(false); |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 717 | stream->RemoveBitrateObserver(); |
Sebastian Jansson | b686396 | 2018-10-10 10:23:13 +0200 | [diff] [blame] | 718 | stream->rtp_rtcp_module_->SetAsPartOfAllocation(false); |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 719 | } |
| 720 | } |
| 721 | |
| 722 | void AudioSendStream::ConfigureBitrateObserver(int min_bitrate_bps, |
Seth Hampson | 24722b3 | 2017-12-22 09:36:42 -0800 | [diff] [blame] | 723 | int max_bitrate_bps, |
Sebastian Jansson | 79f0d4d | 2019-01-23 09:41:43 +0100 | [diff] [blame] | 724 | double bitrate_priority) { |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 725 | RTC_DCHECK(worker_thread_checker_.CalledOnValidThread()); |
| 726 | RTC_DCHECK_GE(max_bitrate_bps, min_bitrate_bps); |
Niels Möller | c572ff3 | 2018-11-07 08:43:50 +0100 | [diff] [blame] | 727 | rtc::Event thread_sync_event; |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 728 | worker_queue_->PostTask([&] { |
| 729 | // We may get a callback immediately as the observer is registered, so make |
| 730 | // sure the bitrate limits in config_ are up-to-date. |
| 731 | config_.min_bitrate_bps = min_bitrate_bps; |
| 732 | config_.max_bitrate_bps = max_bitrate_bps; |
Seth Hampson | 24722b3 | 2017-12-22 09:36:42 -0800 | [diff] [blame] | 733 | config_.bitrate_priority = bitrate_priority; |
| 734 | // This either updates the current observer or adds a new observer. |
Sebastian Jansson | 24ad720 | 2018-04-19 08:25:12 +0200 | [diff] [blame] | 735 | bitrate_allocator_->AddObserver( |
Sebastian Jansson | 79f0d4d | 2019-01-23 09:41:43 +0100 | [diff] [blame] | 736 | this, |
| 737 | MediaStreamAllocationConfig{static_cast<uint32_t>(min_bitrate_bps), |
| 738 | static_cast<uint32_t>(max_bitrate_bps), 0, |
| 739 | true, config_.track_id, bitrate_priority}); |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 740 | thread_sync_event.Set(); |
| 741 | }); |
| 742 | thread_sync_event.Wait(rtc::Event::kForever); |
| 743 | } |
| 744 | |
| 745 | void AudioSendStream::RemoveBitrateObserver() { |
| 746 | RTC_DCHECK(worker_thread_checker_.CalledOnValidThread()); |
Niels Möller | c572ff3 | 2018-11-07 08:43:50 +0100 | [diff] [blame] | 747 | rtc::Event thread_sync_event; |
ossu | 20a4b3f | 2017-04-27 02:08:52 -0700 | [diff] [blame] | 748 | worker_queue_->PostTask([this, &thread_sync_event] { |
| 749 | bitrate_allocator_->RemoveObserver(this); |
| 750 | thread_sync_event.Set(); |
| 751 | }); |
| 752 | thread_sync_event.Wait(rtc::Event::kForever); |
| 753 | } |
| 754 | |
ossu | 3b9ff38 | 2017-04-27 08:03:42 -0700 | [diff] [blame] | 755 | void AudioSendStream::RegisterCngPayloadType(int payload_type, |
| 756 | int clockrate_hz) { |
Fredrik Solenberg | f693bfa | 2018-12-11 12:22:10 +0100 | [diff] [blame] | 757 | rtp_rtcp_module_->RegisterAudioSendPayload(payload_type, "CN", clockrate_hz, |
| 758 | 1, 0); |
ossu | 3b9ff38 | 2017-04-27 08:03:42 -0700 | [diff] [blame] | 759 | } |
solenberg | c7a8b08 | 2015-10-16 14:35:07 -0700 | [diff] [blame] | 760 | } // namespace internal |
| 761 | } // namespace webrtc |