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@ -24,10 +24,7 @@
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#include "webrtc/modules/pacing/packet_router.h"
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#include "webrtc/modules/utility/include/process_thread.h"
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#include "webrtc/video/call_stats.h"
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#include "webrtc/video/encoder_state_feedback.h"
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#include "webrtc/video/video_capture_input.h"
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#include "webrtc/video/vie_channel.h"
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#include "webrtc/video/vie_encoder.h"
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#include "webrtc/video/vie_remb.h"
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#include "webrtc/video_send_stream.h"
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@ -148,8 +145,33 @@ VideoSendStream::VideoSendStream(
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this,
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config.post_encode_callback,
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&stats_proxy_),
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encoder_feedback_(new EncoderStateFeedback()),
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use_config_bitrate_(true) {
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vie_encoder_(num_cpu_cores,
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module_process_thread_,
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&stats_proxy_,
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config.pre_encode_callback,
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&overuse_detector_,
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congestion_controller_->pacer(),
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&payload_router_,
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bitrate_allocator),
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vcm_(vie_encoder_.vcm()),
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vie_channel_(config.send_transport,
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module_process_thread_,
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&payload_router_,
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nullptr,
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encoder_feedback_.GetRtcpIntraFrameObserver(),
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congestion_controller_->GetBitrateController()
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->CreateRtcpBandwidthObserver(),
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congestion_controller_->GetTransportFeedbackObserver(),
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nullptr,
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call_stats_->rtcp_rtt_stats(),
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congestion_controller_->pacer(),
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congestion_controller_->packet_router(),
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config_.rtp.ssrcs.size(),
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true),
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input_(&vie_encoder_,
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config_.local_renderer,
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&stats_proxy_,
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&overuse_detector_) {
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LOG(LS_INFO) << "VideoSendStream: " << config_.ToString();
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RTC_DCHECK(!config_.rtp.ssrcs.empty());
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@ -158,42 +180,14 @@ VideoSendStream::VideoSendStream(
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RTC_DCHECK(congestion_controller_);
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RTC_DCHECK(remb_);
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// Set up Call-wide sequence numbers, if configured for this send stream.
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TransportFeedbackObserver* transport_feedback_observer = nullptr;
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for (const RtpExtension& extension : config.rtp.extensions) {
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if (extension.name == RtpExtension::kTransportSequenceNumber) {
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transport_feedback_observer =
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congestion_controller_->GetTransportFeedbackObserver();
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break;
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}
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}
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RTC_CHECK(vie_encoder_.Init());
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RTC_CHECK(vie_channel_.Init() == 0);
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const std::vector<uint32_t>& ssrcs = config.rtp.ssrcs;
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vcm_->RegisterProtectionCallback(vie_channel_.vcm_protection_callback());
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vie_encoder_.reset(new ViEEncoder(
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num_cpu_cores, module_process_thread_, &stats_proxy_,
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config.pre_encode_callback, &overuse_detector_,
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congestion_controller_->pacer(), &payload_router_, bitrate_allocator));
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vcm_ = vie_encoder_->vcm();
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RTC_CHECK(vie_encoder_->Init());
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call_stats_->RegisterStatsObserver(vie_channel_.GetStatsObserver());
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vie_channel_.reset(new ViEChannel(
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config.send_transport, module_process_thread_, &payload_router_, nullptr,
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encoder_feedback_->GetRtcpIntraFrameObserver(),
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congestion_controller_->GetBitrateController()
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->CreateRtcpBandwidthObserver(),
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transport_feedback_observer,
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congestion_controller_->GetRemoteBitrateEstimator(false),
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call_stats_->rtcp_rtt_stats(), congestion_controller_->pacer(),
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congestion_controller_->packet_router(), ssrcs.size(), true));
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RTC_CHECK(vie_channel_->Init() == 0);
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vcm_->RegisterProtectionCallback(vie_channel_->vcm_protection_callback());
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call_stats_->RegisterStatsObserver(vie_channel_->GetStatsObserver());
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std::vector<uint32_t> first_ssrc(1, ssrcs[0]);
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vie_encoder_->SetSsrcs(first_ssrc);
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vie_encoder_.SetSsrcs(std::vector<uint32_t>(1, config_.rtp.ssrcs[0]));
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for (size_t i = 0; i < config_.rtp.extensions.size(); ++i) {
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const std::string& extension = config_.rtp.extensions[i].name;
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@ -202,19 +196,19 @@ VideoSendStream::VideoSendStream(
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RTC_DCHECK_GE(id, 1);
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RTC_DCHECK_LE(id, 14);
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if (extension == RtpExtension::kTOffset) {
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RTC_CHECK_EQ(0, vie_channel_->SetSendTimestampOffsetStatus(true, id));
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RTC_CHECK_EQ(0, vie_channel_.SetSendTimestampOffsetStatus(true, id));
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} else if (extension == RtpExtension::kAbsSendTime) {
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RTC_CHECK_EQ(0, vie_channel_->SetSendAbsoluteSendTimeStatus(true, id));
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RTC_CHECK_EQ(0, vie_channel_.SetSendAbsoluteSendTimeStatus(true, id));
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} else if (extension == RtpExtension::kVideoRotation) {
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RTC_CHECK_EQ(0, vie_channel_->SetSendVideoRotationStatus(true, id));
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RTC_CHECK_EQ(0, vie_channel_.SetSendVideoRotationStatus(true, id));
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} else if (extension == RtpExtension::kTransportSequenceNumber) {
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RTC_CHECK_EQ(0, vie_channel_->SetSendTransportSequenceNumber(true, id));
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RTC_CHECK_EQ(0, vie_channel_.SetSendTransportSequenceNumber(true, id));
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} else {
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RTC_NOTREACHED() << "Registering unsupported RTP extension.";
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}
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}
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RtpRtcp* rtp_module = vie_channel_->rtp_rtcp();
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RtpRtcp* rtp_module = vie_channel_.rtp_rtcp();
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remb_->AddRembSender(rtp_module);
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rtp_module->SetREMBStatus(true);
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@ -222,49 +216,45 @@ VideoSendStream::VideoSendStream(
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const bool enable_protection_nack = config_.rtp.nack.rtp_history_ms > 0;
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const bool enable_protection_fec = config_.rtp.fec.red_payload_type != -1;
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// TODO(changbin): Should set RTX for RED mapping in RTP sender in future.
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vie_channel_->SetProtectionMode(enable_protection_nack, enable_protection_fec,
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vie_channel_.SetProtectionMode(enable_protection_nack, enable_protection_fec,
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config_.rtp.fec.red_payload_type,
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config_.rtp.fec.ulpfec_payload_type);
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vie_encoder_->SetProtectionMethod(enable_protection_nack,
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vie_encoder_.SetProtectionMethod(enable_protection_nack,
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enable_protection_fec);
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ConfigureSsrcs();
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vie_channel_->SetRTCPCName(config_.rtp.c_name.c_str());
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input_.reset(new internal::VideoCaptureInput(
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vie_encoder_.get(), config_.local_renderer, &stats_proxy_,
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&overuse_detector_));
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vie_channel_.SetRTCPCName(config_.rtp.c_name.c_str());
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// 28 to match packet overhead in ModuleRtpRtcpImpl.
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RTC_DCHECK_LE(config_.rtp.max_packet_size, static_cast<size_t>(0xFFFF - 28));
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vie_channel_->SetMTU(static_cast<uint16_t>(config_.rtp.max_packet_size + 28));
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vie_channel_.SetMTU(static_cast<uint16_t>(config_.rtp.max_packet_size + 28));
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RTC_DCHECK(config.encoder_settings.encoder != nullptr);
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RTC_DCHECK_GE(config.encoder_settings.payload_type, 0);
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RTC_DCHECK_LE(config.encoder_settings.payload_type, 127);
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RTC_CHECK_EQ(0, vie_encoder_->RegisterExternalEncoder(
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RTC_CHECK_EQ(0, vie_encoder_.RegisterExternalEncoder(
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config.encoder_settings.encoder,
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config.encoder_settings.payload_type,
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config.encoder_settings.internal_source));
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RTC_CHECK(ReconfigureVideoEncoder(encoder_config));
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vie_channel_->RegisterSendSideDelayObserver(&stats_proxy_);
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vie_channel_.RegisterSendSideDelayObserver(&stats_proxy_);
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if (config_.post_encode_callback)
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vie_encoder_->RegisterPostEncodeImageCallback(&encoded_frame_proxy_);
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vie_encoder_.RegisterPostEncodeImageCallback(&encoded_frame_proxy_);
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if (config_.suspend_below_min_bitrate)
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vie_encoder_->SuspendBelowMinBitrate();
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vie_encoder_.SuspendBelowMinBitrate();
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encoder_feedback_->AddEncoder(ssrcs, vie_encoder_.get());
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encoder_feedback_.AddEncoder(config_.rtp.ssrcs, &vie_encoder_);
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vie_channel_->RegisterSendChannelRtcpStatisticsCallback(&stats_proxy_);
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vie_channel_->RegisterSendChannelRtpStatisticsCallback(&stats_proxy_);
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vie_channel_->RegisterRtcpPacketTypeCounterObserver(&stats_proxy_);
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vie_channel_->RegisterSendBitrateObserver(&stats_proxy_);
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vie_channel_->RegisterSendFrameCountObserver(&stats_proxy_);
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vie_channel_.RegisterSendChannelRtcpStatisticsCallback(&stats_proxy_);
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vie_channel_.RegisterSendChannelRtpStatisticsCallback(&stats_proxy_);
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vie_channel_.RegisterRtcpPacketTypeCounterObserver(&stats_proxy_);
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vie_channel_.RegisterSendBitrateObserver(&stats_proxy_);
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vie_channel_.RegisterSendFrameCountObserver(&stats_proxy_);
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module_process_thread_->RegisterModule(&overuse_detector_);
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}
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@ -276,53 +266,49 @@ VideoSendStream::~VideoSendStream() {
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// ViEChannel. vcm_ is owned by ViEEncoder and the registered callback does
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// not outlive it.
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vcm_->RegisterProtectionCallback(nullptr);
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vie_channel_->RegisterSendFrameCountObserver(nullptr);
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vie_channel_->RegisterSendBitrateObserver(nullptr);
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vie_channel_->RegisterRtcpPacketTypeCounterObserver(nullptr);
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vie_channel_->RegisterSendChannelRtpStatisticsCallback(nullptr);
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vie_channel_->RegisterSendChannelRtcpStatisticsCallback(nullptr);
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vie_channel_.RegisterSendFrameCountObserver(nullptr);
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vie_channel_.RegisterSendBitrateObserver(nullptr);
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vie_channel_.RegisterRtcpPacketTypeCounterObserver(nullptr);
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vie_channel_.RegisterSendChannelRtpStatisticsCallback(nullptr);
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vie_channel_.RegisterSendChannelRtcpStatisticsCallback(nullptr);
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// Remove capture input (thread) so that it's not running after the current
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// channel is deleted.
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input_.reset();
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vie_encoder_->DeRegisterExternalEncoder(
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vie_encoder_.DeRegisterExternalEncoder(
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config_.encoder_settings.payload_type);
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call_stats_->DeregisterStatsObserver(vie_channel_->GetStatsObserver());
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call_stats_->DeregisterStatsObserver(vie_channel_.GetStatsObserver());
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RtpRtcp* rtp_module = vie_channel_->rtp_rtcp();
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RtpRtcp* rtp_module = vie_channel_.rtp_rtcp();
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rtp_module->SetREMBStatus(false);
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remb_->RemoveRembSender(rtp_module);
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// Remove the feedback, stop all encoding threads and processing. This must be
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// done before deleting the channel.
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encoder_feedback_->RemoveEncoder(vie_encoder_.get());
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encoder_feedback_.RemoveEncoder(&vie_encoder_);
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uint32_t remote_ssrc = vie_channel_->GetRemoteSSRC();
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uint32_t remote_ssrc = vie_channel_.GetRemoteSSRC();
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congestion_controller_->GetRemoteBitrateEstimator(false)->RemoveStream(
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remote_ssrc);
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}
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VideoCaptureInput* VideoSendStream::Input() {
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return input_.get();
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return &input_;
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}
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void VideoSendStream::Start() {
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transport_adapter_.Enable();
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vie_encoder_->Pause();
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if (vie_channel_->StartSend() == 0) {
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vie_encoder_.Pause();
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if (vie_channel_.StartSend() == 0) {
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// Was not already started, trigger a keyframe.
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vie_encoder_->SendKeyFrame();
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vie_encoder_.SendKeyFrame();
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}
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vie_encoder_->Restart();
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vie_channel_->StartReceive();
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vie_encoder_.Restart();
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vie_channel_.StartReceive();
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}
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void VideoSendStream::Stop() {
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// TODO(pbos): Make sure the encoder stops here.
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vie_channel_->StopSend();
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vie_channel_->StopReceive();
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vie_channel_.StopSend();
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vie_channel_.StopReceive();
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transport_adapter_.Disable();
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}
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@ -472,15 +458,14 @@ bool VideoSendStream::ReconfigureVideoEncoder(
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stats_proxy_.SetContentType(config.content_type);
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RTC_DCHECK_GE(config.min_transmit_bitrate_bps, 0);
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vie_encoder_->SetMinTransmitBitrate(config.min_transmit_bitrate_bps / 1000);
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vie_encoder_.SetMinTransmitBitrate(config.min_transmit_bitrate_bps / 1000);
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encoder_config_ = config;
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use_config_bitrate_ = false;
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return true;
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}
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bool VideoSendStream::DeliverRtcp(const uint8_t* packet, size_t length) {
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return vie_channel_->ReceivedRTCPPacket(packet, length) == 0;
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return vie_channel_.ReceivedRTCPPacket(packet, length) == 0;
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}
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VideoSendStream::Stats VideoSendStream::GetStats() {
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@ -498,14 +483,14 @@ void VideoSendStream::NormalUsage() {
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}
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void VideoSendStream::ConfigureSsrcs() {
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vie_channel_->SetSSRC(config_.rtp.ssrcs.front(), kViEStreamTypeNormal, 0);
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vie_channel_.SetSSRC(config_.rtp.ssrcs.front(), kViEStreamTypeNormal, 0);
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for (size_t i = 0; i < config_.rtp.ssrcs.size(); ++i) {
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uint32_t ssrc = config_.rtp.ssrcs[i];
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vie_channel_->SetSSRC(ssrc, kViEStreamTypeNormal,
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vie_channel_.SetSSRC(ssrc, kViEStreamTypeNormal,
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static_cast<unsigned char>(i));
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RtpStateMap::iterator it = suspended_ssrcs_.find(ssrc);
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if (it != suspended_ssrcs_.end())
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vie_channel_->SetRtpStateForSsrc(ssrc, it->second);
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vie_channel_.SetRtpStateForSsrc(ssrc, it->second);
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}
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if (config_.rtp.rtx.ssrcs.empty()) {
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@ -516,19 +501,19 @@ void VideoSendStream::ConfigureSsrcs() {
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RTC_DCHECK_EQ(config_.rtp.rtx.ssrcs.size(), config_.rtp.ssrcs.size());
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for (size_t i = 0; i < config_.rtp.rtx.ssrcs.size(); ++i) {
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uint32_t ssrc = config_.rtp.rtx.ssrcs[i];
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vie_channel_->SetSSRC(config_.rtp.rtx.ssrcs[i], kViEStreamTypeRtx,
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vie_channel_.SetSSRC(config_.rtp.rtx.ssrcs[i], kViEStreamTypeRtx,
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static_cast<unsigned char>(i));
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RtpStateMap::iterator it = suspended_ssrcs_.find(ssrc);
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if (it != suspended_ssrcs_.end())
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vie_channel_->SetRtpStateForSsrc(ssrc, it->second);
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vie_channel_.SetRtpStateForSsrc(ssrc, it->second);
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}
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RTC_DCHECK_GE(config_.rtp.rtx.payload_type, 0);
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vie_channel_->SetRtxSendPayloadType(config_.rtp.rtx.payload_type,
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vie_channel_.SetRtxSendPayloadType(config_.rtp.rtx.payload_type,
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config_.encoder_settings.payload_type);
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if (config_.rtp.fec.red_payload_type != -1 &&
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config_.rtp.fec.red_rtx_payload_type != -1) {
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vie_channel_->SetRtxSendPayloadType(config_.rtp.fec.red_rtx_payload_type,
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vie_channel_.SetRtxSendPayloadType(config_.rtp.fec.red_rtx_payload_type,
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config_.rtp.fec.red_payload_type);
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}
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}
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@ -537,12 +522,12 @@ std::map<uint32_t, RtpState> VideoSendStream::GetRtpStates() const {
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std::map<uint32_t, RtpState> rtp_states;
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for (size_t i = 0; i < config_.rtp.ssrcs.size(); ++i) {
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uint32_t ssrc = config_.rtp.ssrcs[i];
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rtp_states[ssrc] = vie_channel_->GetRtpStateForSsrc(ssrc);
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rtp_states[ssrc] = vie_channel_.GetRtpStateForSsrc(ssrc);
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}
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for (size_t i = 0; i < config_.rtp.rtx.ssrcs.size(); ++i) {
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uint32_t ssrc = config_.rtp.rtx.ssrcs[i];
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rtp_states[ssrc] = vie_channel_->GetRtpStateForSsrc(ssrc);
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rtp_states[ssrc] = vie_channel_.GetRtpStateForSsrc(ssrc);
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}
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return rtp_states;
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@ -553,10 +538,10 @@ void VideoSendStream::SignalNetworkState(NetworkState state) {
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// When it goes down, disable RTCP afterwards. This ensures that any packets
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// sent due to the network state changed will not be dropped.
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if (state == kNetworkUp)
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vie_channel_->SetRTCPMode(config_.rtp.rtcp_mode);
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vie_encoder_->SetNetworkTransmissionState(state == kNetworkUp);
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vie_channel_.SetRTCPMode(config_.rtp.rtcp_mode);
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vie_encoder_.SetNetworkTransmissionState(state == kNetworkUp);
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if (state == kNetworkDown)
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vie_channel_->SetRTCPMode(RtcpMode::kOff);
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vie_channel_.SetRTCPMode(RtcpMode::kOff);
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}
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int64_t VideoSendStream::GetRtt() const {
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@ -566,7 +551,7 @@ int64_t VideoSendStream::GetRtt() const {
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uint32_t extended_max_sequence_number;
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uint32_t jitter;
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int64_t rtt_ms;
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if (vie_channel_->GetSendRtcpStatistics(&frac_lost, &cumulative_lost,
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if (vie_channel_.GetSendRtcpStatistics(&frac_lost, &cumulative_lost,
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&extended_max_sequence_number,
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&jitter, &rtt_ms) == 0) {
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return rtt_ms;
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@ -575,7 +560,7 @@ int64_t VideoSendStream::GetRtt() const {
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}
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int VideoSendStream::GetPaddingNeededBps() const {
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return vie_encoder_->GetPaddingNeededBps();
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return vie_encoder_.GetPaddingNeededBps();
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}
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bool VideoSendStream::SetSendCodec(VideoCodec video_codec) {
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@ -593,14 +578,14 @@ bool VideoSendStream::SetSendCodec(VideoCodec video_codec) {
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video_codec.maxBitrate = kEncoderMinBitrate;
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// Stop the media flow while reconfiguring.
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vie_encoder_->Pause();
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vie_encoder_.Pause();
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if (vie_encoder_->SetEncoder(video_codec) != 0) {
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if (vie_encoder_.SetEncoder(video_codec) != 0) {
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LOG(LS_ERROR) << "Failed to set encoder.";
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return false;
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}
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if (vie_channel_->SetSendCodec(video_codec, false) != 0) {
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if (vie_channel_.SetSendCodec(video_codec, false) != 0) {
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LOG(LS_ERROR) << "Failed to set send codec.";
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return false;
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}
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@ -609,13 +594,12 @@ bool VideoSendStream::SetSendCodec(VideoCodec video_codec) {
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// to send on all SSRCs at once etc.)
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std::vector<uint32_t> used_ssrcs = config_.rtp.ssrcs;
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used_ssrcs.resize(static_cast<size_t>(video_codec.numberOfSimulcastStreams));
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vie_encoder_->SetSsrcs(used_ssrcs);
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vie_encoder_.SetSsrcs(used_ssrcs);
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// Restart the media flow
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vie_encoder_->Restart();
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vie_encoder_.Restart();
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return true;
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}
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} // namespace internal
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} // namespace webrtc
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