mirror of https://github.com/NekoX-Dev/NekoX.git
1072 lines
38 KiB
C++
1072 lines
38 KiB
C++
#include "MediaManager.h"
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#include "Instance.h"
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#include "VideoCaptureInterfaceImpl.h"
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#include "VideoCapturerInterface.h"
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#include "CodecSelectHelper.h"
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#include "AudioDeviceHelper.h"
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#include "Message.h"
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#include "platform/PlatformInterface.h"
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#include "StaticThreads.h"
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#include "api/audio_codecs/audio_decoder_factory_template.h"
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#include "api/audio_codecs/audio_encoder_factory_template.h"
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#include "api/audio_codecs/opus/audio_decoder_opus.h"
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#include "api/audio_codecs/opus/audio_encoder_opus.h"
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#include "api/task_queue/default_task_queue_factory.h"
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#include "media/engine/webrtc_media_engine.h"
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#include "system_wrappers/include/field_trial.h"
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#include "api/video/builtin_video_bitrate_allocator_factory.h"
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#include "call/call.h"
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#include "modules/rtp_rtcp/source/rtp_utility.h"
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#include "api/call/audio_sink.h"
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#include "modules/audio_processing/audio_buffer.h"
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#include "modules/audio_device/include/audio_device_factory.h"
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namespace tgcalls {
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namespace {
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constexpr uint32_t ssrcAudioIncoming = 1;
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constexpr uint32_t ssrcAudioOutgoing = 2;
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constexpr uint32_t ssrcAudioFecIncoming = 5;
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constexpr uint32_t ssrcAudioFecOutgoing = 6;
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constexpr uint32_t ssrcVideoIncoming = 3;
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constexpr uint32_t ssrcVideoOutgoing = 4;
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constexpr uint32_t ssrcVideoFecIncoming = 7;
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constexpr uint32_t ssrcVideoFecOutgoing = 8;
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VideoCaptureInterfaceObject *GetVideoCaptureAssumingSameThread(VideoCaptureInterface *videoCapture) {
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return videoCapture
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? static_cast<VideoCaptureInterfaceImpl*>(videoCapture)->object()->getSyncAssumingSameThread()
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: nullptr;
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}
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class AudioCaptureAnalyzer : public webrtc::CustomAudioAnalyzer {
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private:
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void Initialize(int sample_rate_hz, int num_channels) override {
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}
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// Analyzes the given capture or render signal.
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void Analyze(const webrtc::AudioBuffer* audio) override {
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_analyze(audio);
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}
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// Returns a string representation of the module state.
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std::string ToString() const override {
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return "analyzing";
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}
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std::function<void(const webrtc::AudioBuffer*)> _analyze;
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public:
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AudioCaptureAnalyzer(std::function<void(const webrtc::AudioBuffer*)> analyze) :
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_analyze(analyze) {
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}
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virtual ~AudioCaptureAnalyzer() = default;
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};
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class AudioCapturePostProcessor : public webrtc::CustomProcessing {
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public:
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AudioCapturePostProcessor(std::function<void(float)> updated, std::vector<float> *externalAudioSamples, webrtc::Mutex *externalAudioSamplesMutex) :
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_updated(updated),
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_externalAudioSamples(externalAudioSamples),
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_externalAudioSamplesMutex(externalAudioSamplesMutex) {
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}
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virtual ~AudioCapturePostProcessor() {
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}
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private:
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virtual void Initialize(int sample_rate_hz, int num_channels) override {
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}
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virtual void Process(webrtc::AudioBuffer *buffer) override {
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if (!buffer) {
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return;
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}
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if (buffer->num_channels() != 1) {
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return;
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}
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float peak = 0;
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int peakCount = 0;
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const float *samples = buffer->channels_const()[0];
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for (int i = 0; i < buffer->num_frames(); i++) {
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float sample = samples[i];
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if (sample < 0) {
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sample = -sample;
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}
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if (peak < sample) {
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peak = sample;
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}
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peakCount += 1;
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}
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_peakCount += peakCount;
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if (_peak < peak) {
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_peak = peak;
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}
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if (_peakCount >= 1200) {
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float level = _peak / 8000.0f;
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_peak = 0;
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_peakCount = 0;
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_updated(level);
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}
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_externalAudioSamplesMutex->Lock();
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if (!_externalAudioSamples->empty()) {
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float *bufferData = buffer->channels()[0];
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int takenSamples = 0;
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for (int i = 0; i < _externalAudioSamples->size() && i < buffer->num_frames(); i++) {
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float sample = (*_externalAudioSamples)[i];
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sample += bufferData[i];
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sample = std::min(sample, 32768.f);
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sample = std::max(sample, -32768.f);
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bufferData[i] = sample;
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takenSamples++;
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}
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if (takenSamples != 0) {
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_externalAudioSamples->erase(_externalAudioSamples->begin(), _externalAudioSamples->begin() + takenSamples);
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}
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}
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_externalAudioSamplesMutex->Unlock();
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}
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virtual std::string ToString() const override {
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return "CustomPostProcessing";
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}
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virtual void SetRuntimeSetting(webrtc::AudioProcessing::RuntimeSetting setting) override {
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}
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private:
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std::function<void(float)> _updated;
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int32_t _peakCount = 0;
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float _peak = 0;
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std::vector<float> *_externalAudioSamples = nullptr;
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webrtc::Mutex *_externalAudioSamplesMutex = nullptr;
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};
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} // namespace
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class VideoSinkInterfaceProxyImpl : public rtc::VideoSinkInterface<webrtc::VideoFrame> {
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public:
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VideoSinkInterfaceProxyImpl(bool rewriteRotation) :
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_rewriteRotation(rewriteRotation) {
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}
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virtual ~VideoSinkInterfaceProxyImpl() {
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}
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virtual void OnFrame(const webrtc::VideoFrame& frame) override {
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if (_impl) {
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if (_rewriteRotation) {
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webrtc::VideoFrame updatedFrame = frame;
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//updatedFrame.set_rotation(webrtc::VideoRotation::kVideoRotation_90);
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_impl->OnFrame(updatedFrame);
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} else {
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_impl->OnFrame(frame);
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}
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}
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}
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virtual void OnDiscardedFrame() override {
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if (_impl) {
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_impl->OnDiscardedFrame();
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}
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}
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void setSink(std::shared_ptr<rtc::VideoSinkInterface<webrtc::VideoFrame>> impl) {
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_impl = impl;
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}
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private:
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bool _rewriteRotation = false;
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std::shared_ptr<rtc::VideoSinkInterface<webrtc::VideoFrame>> _impl;
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};
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class AudioTrackSinkInterfaceImpl: public webrtc::AudioSinkInterface {
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private:
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std::function<void(float)> _update;
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int _peakCount = 0;
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uint16_t _peak = 0;
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public:
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AudioTrackSinkInterfaceImpl(std::function<void(float)> update) :
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_update(update) {
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}
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virtual ~AudioTrackSinkInterfaceImpl() {
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}
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virtual void OnData(const Data& audio) override {
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if (audio.channels == 1) {
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int16_t *samples = (int16_t *)audio.data;
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int numberOfSamplesInFrame = (int)audio.samples_per_channel;
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for (int i = 0; i < numberOfSamplesInFrame; i++) {
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int16_t sample = samples[i];
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if (sample < 0) {
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sample = -sample;
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}
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if (_peak < sample) {
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_peak = sample;
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}
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_peakCount += 1;
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}
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if (_peakCount >= 1200) {
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float level = ((float)(_peak)) / 4000.0f;
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_peak = 0;
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_peakCount = 0;
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_update(level);
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}
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}
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}
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};
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MediaManager::MediaManager(
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rtc::Thread *thread,
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bool isOutgoing,
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ProtocolVersion protocolVersion,
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const MediaDevicesConfig &devicesConfig,
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std::shared_ptr<VideoCaptureInterface> videoCapture,
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std::function<void(Message &&)> sendSignalingMessage,
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std::function<void(Message &&)> sendTransportMessage,
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std::function<void(int)> signalBarsUpdated,
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std::function<void(float)> audioLevelUpdated,
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std::function<rtc::scoped_refptr<webrtc::AudioDeviceModule>(webrtc::TaskQueueFactory*)> createAudioDeviceModule,
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bool enableHighBitrateVideo,
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std::vector<std::string> preferredCodecs,
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std::shared_ptr<PlatformContext> platformContext) :
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_thread(thread),
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_eventLog(std::make_unique<webrtc::RtcEventLogNull>()),
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_taskQueueFactory(webrtc::CreateDefaultTaskQueueFactory()),
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_sendSignalingMessage(std::move(sendSignalingMessage)),
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_sendTransportMessage(std::move(sendTransportMessage)),
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_signalBarsUpdated(std::move(signalBarsUpdated)),
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_audioLevelUpdated(std::move(audioLevelUpdated)),
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_createAudioDeviceModule(std::move(createAudioDeviceModule)),
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_protocolVersion(protocolVersion),
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_outgoingVideoState(videoCapture ? VideoState::Active : VideoState::Inactive),
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_videoCapture(std::move(videoCapture)),
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_enableHighBitrateVideo(enableHighBitrateVideo),
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_platformContext(platformContext) {
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bool rewriteFrameRotation = false;
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switch (_protocolVersion) {
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case ProtocolVersion::V0:
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rewriteFrameRotation = true;
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break;
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case ProtocolVersion::V1:
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rewriteFrameRotation = false;
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break;
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default:
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break;
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}
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_incomingVideoSinkProxy.reset(new VideoSinkInterfaceProxyImpl(rewriteFrameRotation));
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_ssrcAudio.incoming = isOutgoing ? ssrcAudioIncoming : ssrcAudioOutgoing;
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_ssrcAudio.outgoing = (!isOutgoing) ? ssrcAudioIncoming : ssrcAudioOutgoing;
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_ssrcAudio.fecIncoming = isOutgoing ? ssrcAudioFecIncoming : ssrcAudioFecOutgoing;
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_ssrcAudio.fecOutgoing = (!isOutgoing) ? ssrcAudioFecIncoming : ssrcAudioFecOutgoing;
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_ssrcVideo.incoming = isOutgoing ? ssrcVideoIncoming : ssrcVideoOutgoing;
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_ssrcVideo.outgoing = (!isOutgoing) ? ssrcVideoIncoming : ssrcVideoOutgoing;
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_ssrcVideo.fecIncoming = isOutgoing ? ssrcVideoFecIncoming : ssrcVideoFecOutgoing;
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_ssrcVideo.fecOutgoing = (!isOutgoing) ? ssrcVideoFecIncoming : ssrcVideoFecOutgoing;
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_audioNetworkInterface = std::unique_ptr<MediaManager::NetworkInterfaceImpl>(new MediaManager::NetworkInterfaceImpl(this, false));
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_videoNetworkInterface = std::unique_ptr<MediaManager::NetworkInterfaceImpl>(new MediaManager::NetworkInterfaceImpl(this, true));
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webrtc::field_trial::InitFieldTrialsFromString(
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"WebRTC-Audio-SendSideBwe/Enabled/"
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"WebRTC-Audio-Allocation/min:32kbps,max:32kbps/"
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"WebRTC-Audio-OpusMinPacketLossRate/Enabled-1/"
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"WebRTC-FlexFEC-03/Enabled/"
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"WebRTC-FlexFEC-03-Advertised/Enabled/"
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"WebRTC-Turn-AllowSystemPorts/Enabled/"
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);
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PlatformInterface::SharedInstance()->configurePlatformAudio();
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_videoBitrateAllocatorFactory = webrtc::CreateBuiltinVideoBitrateAllocatorFactory();
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cricket::MediaEngineDependencies mediaDeps;
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mediaDeps.task_queue_factory = _taskQueueFactory.get();
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mediaDeps.audio_encoder_factory = webrtc::CreateAudioEncoderFactory<webrtc::AudioEncoderOpus>();
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mediaDeps.audio_decoder_factory = webrtc::CreateAudioDecoderFactory<webrtc::AudioDecoderOpus>();
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mediaDeps.video_encoder_factory = PlatformInterface::SharedInstance()->makeVideoEncoderFactory(_platformContext);
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mediaDeps.video_decoder_factory = PlatformInterface::SharedInstance()->makeVideoDecoderFactory(_platformContext);
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_myVideoFormats = ComposeSupportedFormats(
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mediaDeps.video_encoder_factory->GetSupportedFormats(),
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mediaDeps.video_decoder_factory->GetSupportedFormats(),
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preferredCodecs,
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_platformContext);
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webrtc::AudioProcessingBuilder builder;
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std::unique_ptr<AudioCapturePostProcessor> audioProcessor = std::make_unique<AudioCapturePostProcessor>([this](float level) {
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this->_thread->PostTask(RTC_FROM_HERE, [this, level](){
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auto strong = this;
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strong->_currentMyAudioLevel = level;
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});
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}, &_externalAudioSamples, &_externalAudioSamplesMutex);
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builder.SetCapturePostProcessing(std::move(audioProcessor));
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mediaDeps.audio_processing = builder.Create();
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_audioDeviceModule = this->createAudioDeviceModule();
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if (!_audioDeviceModule) {
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return;
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}
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mediaDeps.adm = _audioDeviceModule;
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_mediaEngine = cricket::CreateMediaEngine(std::move(mediaDeps));
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_mediaEngine->Init();
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/*setAudioInputDevice(devicesConfig.audioInputId);
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setAudioOutputDevice(devicesConfig.audioOutputId);
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setInputVolume(devicesConfig.inputVolume);
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setOutputVolume(devicesConfig.outputVolume);*/
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webrtc::Call::Config callConfig(_eventLog.get());
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callConfig.task_queue_factory = _taskQueueFactory.get();
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callConfig.trials = &_fieldTrials;
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callConfig.audio_state = _mediaEngine->voice().GetAudioState();
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_call.reset(webrtc::Call::Create(callConfig));
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cricket::AudioOptions audioOptions;
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audioOptions.echo_cancellation = true;
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audioOptions.noise_suppression = true;
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audioOptions.audio_jitter_buffer_fast_accelerate = true;
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std::vector<std::string> streamIds;
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streamIds.push_back("1");
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_audioChannel.reset(_mediaEngine->voice().CreateMediaChannel(_call.get(), cricket::MediaConfig(), audioOptions, webrtc::CryptoOptions::NoGcm()));
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_videoChannel.reset(_mediaEngine->video().CreateMediaChannel(_call.get(), cricket::MediaConfig(), cricket::VideoOptions(), webrtc::CryptoOptions::NoGcm(), _videoBitrateAllocatorFactory.get()));
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const uint32_t opusClockrate = 48000;
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const uint16_t opusSdpPayload = 111;
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const char *opusSdpName = "opus";
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const uint8_t opusSdpChannels = 2;
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const uint32_t opusSdpBitrate = 0;
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const uint8_t opusMinBitrateKbps = 6;
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const uint8_t opusMaxBitrateKbps = 32;
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const uint8_t opusStartBitrateKbps = 8;
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const uint8_t opusPTimeMs = 120;
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cricket::AudioCodec opusCodec(opusSdpPayload, opusSdpName, opusClockrate, opusSdpBitrate, opusSdpChannels);
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opusCodec.AddFeedbackParam(cricket::FeedbackParam(cricket::kRtcpFbParamTransportCc));
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opusCodec.SetParam(cricket::kCodecParamMinBitrate, opusMinBitrateKbps);
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opusCodec.SetParam(cricket::kCodecParamStartBitrate, opusStartBitrateKbps);
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opusCodec.SetParam(cricket::kCodecParamMaxBitrate, opusMaxBitrateKbps);
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opusCodec.SetParam(cricket::kCodecParamUseInbandFec, 1);
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opusCodec.SetParam(cricket::kCodecParamPTime, opusPTimeMs);
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cricket::AudioSendParameters audioSendPrameters;
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audioSendPrameters.codecs.push_back(opusCodec);
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audioSendPrameters.extensions.emplace_back(webrtc::RtpExtension::kTransportSequenceNumberUri, 1);
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audioSendPrameters.options.echo_cancellation = true;
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//audioSendPrameters.options.experimental_ns = false;
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audioSendPrameters.options.noise_suppression = true;
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audioSendPrameters.options.auto_gain_control = true;
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//audioSendPrameters.options.highpass_filter = false;
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audioSendPrameters.options.typing_detection = false;
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//audioSendPrameters.max_bandwidth_bps = 16000;
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audioSendPrameters.rtcp.reduced_size = true;
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audioSendPrameters.rtcp.remote_estimate = true;
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_audioChannel->SetSendParameters(audioSendPrameters);
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_audioChannel->AddSendStream(cricket::StreamParams::CreateLegacy(_ssrcAudio.outgoing));
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_audioChannel->SetInterface(_audioNetworkInterface.get());
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cricket::AudioRecvParameters audioRecvParameters;
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audioRecvParameters.codecs.emplace_back(opusSdpPayload, opusSdpName, opusClockrate, opusSdpBitrate, opusSdpChannels);
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audioRecvParameters.extensions.emplace_back(webrtc::RtpExtension::kTransportSequenceNumberUri, 1);
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audioRecvParameters.rtcp.reduced_size = true;
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audioRecvParameters.rtcp.remote_estimate = true;
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_audioChannel->SetRecvParameters(audioRecvParameters);
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cricket::StreamParams audioRecvStreamParams = cricket::StreamParams::CreateLegacy(_ssrcAudio.incoming);
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audioRecvStreamParams.set_stream_ids(streamIds);
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_audioChannel->AddRecvStream(audioRecvStreamParams);
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_audioChannel->SetPlayout(true);
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_videoChannel->SetInterface(_videoNetworkInterface.get());
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adjustBitratePreferences(true);
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}
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rtc::scoped_refptr<webrtc::AudioDeviceModule> MediaManager::createAudioDeviceModule() {
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const auto create = [&](webrtc::AudioDeviceModule::AudioLayer layer) {
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return webrtc::AudioDeviceModule::Create(
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layer,
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_taskQueueFactory.get());
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};
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const auto check = [&](const rtc::scoped_refptr<webrtc::AudioDeviceModule> &result) {
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return (result && result->Init() == 0) ? result : nullptr;
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};
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if (_createAudioDeviceModule) {
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if (const auto result = check(_createAudioDeviceModule(_taskQueueFactory.get()))) {
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return result;
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}
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}
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#ifdef ANDROID
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return check(create(webrtc::AudioDeviceModule::kAndroidMergedScreenAudio));
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#else
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return check(create(webrtc::AudioDeviceModule::kPlatformDefaultAudio));
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#endif
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}
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void MediaManager::start() {
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const auto weak = std::weak_ptr<MediaManager>(shared_from_this());
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// Here we hope that thread outlives the sink
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rtc::Thread *thread = _thread;
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std::unique_ptr<AudioTrackSinkInterfaceImpl> incomingSink(new AudioTrackSinkInterfaceImpl([weak, thread](float level) {
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thread->PostTask(RTC_FROM_HERE, [weak, level] {
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if (const auto strong = weak.lock()) {
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strong->_currentAudioLevel = level;
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}
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});
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}));
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_audioChannel->SetRawAudioSink(_ssrcAudio.incoming, std::move(incomingSink));
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_sendSignalingMessage({ _myVideoFormats });
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if (_videoCapture != nullptr) {
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setSendVideo(_videoCapture);
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}
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beginStatsTimer(3000);
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if (_audioLevelUpdated != nullptr) {
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beginLevelsTimer(100);
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}
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}
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MediaManager::~MediaManager() {
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assert(_thread->IsCurrent());
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RTC_LOG(LS_INFO) << "MediaManager::~MediaManager()";
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_call->SignalChannelNetworkState(webrtc::MediaType::AUDIO, webrtc::kNetworkDown);
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_call->SignalChannelNetworkState(webrtc::MediaType::VIDEO, webrtc::kNetworkDown);
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_audioChannel->OnReadyToSend(false);
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_audioChannel->SetSend(false);
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_audioChannel->SetAudioSend(_ssrcAudio.outgoing, false, nullptr, &_audioSource);
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_audioChannel->SetPlayout(false);
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_audioChannel->RemoveRecvStream(_ssrcAudio.incoming);
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_audioChannel->RemoveSendStream(_ssrcAudio.outgoing);
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_audioChannel->SetInterface(nullptr);
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|
setSendVideo(nullptr);
|
|
|
|
if (computeIsReceivingVideo()) {
|
|
_videoChannel->RemoveRecvStream(_ssrcVideo.incoming);
|
|
if (_enableFlexfec) {
|
|
_videoChannel->RemoveRecvStream(_ssrcVideo.fecIncoming);
|
|
}
|
|
}
|
|
|
|
if (_didConfigureVideo) {
|
|
_videoChannel->OnReadyToSend(false);
|
|
_videoChannel->SetSend(false);
|
|
|
|
if (_enableFlexfec) {
|
|
_videoChannel->RemoveSendStream(_ssrcVideo.outgoing);
|
|
_videoChannel->RemoveSendStream(_ssrcVideo.fecOutgoing);
|
|
} else {
|
|
_videoChannel->RemoveSendStream(_ssrcVideo.outgoing);
|
|
}
|
|
}
|
|
|
|
_videoChannel->SetInterface(nullptr);
|
|
|
|
_audioDeviceModule = nullptr;
|
|
}
|
|
|
|
void MediaManager::setIsConnected(bool isConnected) {
|
|
if (_isConnected == isConnected) {
|
|
return;
|
|
}
|
|
bool isFirstConnection = false;
|
|
if (!_isConnected && isConnected) {
|
|
_didConnectOnce = true;
|
|
isFirstConnection = true;
|
|
}
|
|
_isConnected = isConnected;
|
|
|
|
if (_isConnected) {
|
|
_call->SignalChannelNetworkState(webrtc::MediaType::AUDIO, webrtc::kNetworkUp);
|
|
_call->SignalChannelNetworkState(webrtc::MediaType::VIDEO, webrtc::kNetworkUp);
|
|
} else {
|
|
_call->SignalChannelNetworkState(webrtc::MediaType::AUDIO, webrtc::kNetworkDown);
|
|
_call->SignalChannelNetworkState(webrtc::MediaType::VIDEO, webrtc::kNetworkDown);
|
|
}
|
|
if (_audioChannel) {
|
|
_audioChannel->OnReadyToSend(_isConnected);
|
|
_audioChannel->SetSend(_isConnected);
|
|
_audioChannel->SetAudioSend(_ssrcAudio.outgoing, _isConnected && (_outgoingAudioState == AudioState::Active), nullptr, &_audioSource);
|
|
}
|
|
if (computeIsSendingVideo() && _videoChannel) {
|
|
_videoChannel->OnReadyToSend(_isConnected);
|
|
_videoChannel->SetSend(_isConnected);
|
|
}
|
|
if (isFirstConnection) {
|
|
sendVideoParametersMessage();
|
|
sendOutgoingMediaStateMessage();
|
|
}
|
|
}
|
|
|
|
void MediaManager::sendVideoParametersMessage() {
|
|
const auto aspectRatioValue = uint32_t(_localPreferredVideoAspectRatio * 1000.0);
|
|
_sendTransportMessage({ VideoParametersMessage{ aspectRatioValue } });
|
|
}
|
|
|
|
void MediaManager::sendOutgoingMediaStateMessage() {
|
|
_sendTransportMessage({ RemoteMediaStateMessage{ _outgoingAudioState, _outgoingVideoState } });
|
|
}
|
|
|
|
void MediaManager::beginStatsTimer(int timeoutMs) {
|
|
const auto weak = std::weak_ptr<MediaManager>(shared_from_this());
|
|
_thread->PostDelayedTask(RTC_FROM_HERE, [weak]() {
|
|
auto strong = weak.lock();
|
|
if (!strong) {
|
|
return;
|
|
}
|
|
strong->collectStats();
|
|
}, timeoutMs);
|
|
}
|
|
|
|
void MediaManager::beginLevelsTimer(int timeoutMs) {
|
|
const auto weak = std::weak_ptr<MediaManager>(shared_from_this());
|
|
_thread->PostDelayedTask(RTC_FROM_HERE, [weak]() {
|
|
auto strong = weak.lock();
|
|
if (!strong) {
|
|
return;
|
|
}
|
|
|
|
float effectiveLevel = fmaxf(strong->_currentAudioLevel, strong->_currentMyAudioLevel);
|
|
strong->_audioLevelUpdated(effectiveLevel);
|
|
|
|
strong->beginLevelsTimer(100);
|
|
}, timeoutMs);
|
|
}
|
|
|
|
void MediaManager::collectStats() {
|
|
auto stats = _call->GetStats();
|
|
float bitrateNorm = 16.0f;
|
|
switch (_outgoingVideoState) {
|
|
case VideoState::Active:
|
|
bitrateNorm = 600.0f;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
float sendBitrateKbps = ((float)stats.send_bandwidth_bps / 1000.0f);
|
|
|
|
RTC_LOG(LS_INFO) << "MediaManager sendBitrateKbps=" << (stats.send_bandwidth_bps / 1000);
|
|
|
|
float signalBarsNorm = 4.0f;
|
|
float adjustedQuality = sendBitrateKbps / bitrateNorm;
|
|
adjustedQuality = fmaxf(0.0f, adjustedQuality);
|
|
adjustedQuality = fminf(1.0f, adjustedQuality);
|
|
if (_signalBarsUpdated) {
|
|
_signalBarsUpdated((int)(adjustedQuality * signalBarsNorm));
|
|
}
|
|
|
|
_bitrateRecords.push_back(CallStatsBitrateRecord { (int32_t)(rtc::TimeMillis() / 1000), stats.send_bandwidth_bps / 1000 });
|
|
|
|
beginStatsTimer(2000);
|
|
}
|
|
|
|
void MediaManager::notifyPacketSent(const rtc::SentPacket &sentPacket) {
|
|
_call->OnSentPacket(sentPacket);
|
|
}
|
|
|
|
void MediaManager::setPeerVideoFormats(VideoFormatsMessage &&peerFormats) {
|
|
if (!_videoCodecs.empty()) {
|
|
return;
|
|
}
|
|
|
|
bool wasReceivingVideo = computeIsReceivingVideo();
|
|
|
|
assert(!_videoCodecOut.has_value());
|
|
auto formats = ComputeCommonFormats(
|
|
_myVideoFormats,
|
|
std::move(peerFormats));
|
|
auto codecs = AssignPayloadTypesAndDefaultCodecs(std::move(formats));
|
|
if (codecs.myEncoderIndex >= 0) {
|
|
assert(codecs.myEncoderIndex < codecs.list.size());
|
|
_videoCodecOut = codecs.list[codecs.myEncoderIndex];
|
|
}
|
|
_videoCodecs = std::move(codecs.list);
|
|
if (_videoCodecOut.has_value()) {
|
|
checkIsSendingVideoChanged(false);
|
|
}
|
|
if (_videoCodecs.size() != 0) {
|
|
checkIsReceivingVideoChanged(wasReceivingVideo);
|
|
}
|
|
}
|
|
|
|
bool MediaManager::videoCodecsNegotiated() const {
|
|
return !_videoCodecs.empty();
|
|
}
|
|
|
|
bool MediaManager::computeIsSendingVideo() const {
|
|
return _videoCapture != nullptr && _videoCodecOut.has_value();
|
|
}
|
|
|
|
bool MediaManager::computeIsReceivingVideo() const {
|
|
return _videoCodecs.size() != 0;
|
|
}
|
|
|
|
void MediaManager::setSendVideo(std::shared_ptr<VideoCaptureInterface> videoCapture) {
|
|
const auto wasSending = computeIsSendingVideo();
|
|
const auto wasReceiving = computeIsReceivingVideo();
|
|
|
|
if (_videoCapture) {
|
|
GetVideoCaptureAssumingSameThread(_videoCapture.get())->setStateUpdated(nullptr);
|
|
}
|
|
_videoCapture = videoCapture;
|
|
if (_videoCapture) {
|
|
_videoCapture->setPreferredAspectRatio(_preferredAspectRatio);
|
|
|
|
const auto thread = _thread;
|
|
const auto weak = std::weak_ptr<MediaManager>(shared_from_this());
|
|
const auto object = GetVideoCaptureAssumingSameThread(_videoCapture.get());
|
|
_isScreenCapture = object->isScreenCapture();
|
|
object->setStateUpdated([=](VideoState state) {
|
|
thread->PostTask(RTC_FROM_HERE, [=] {
|
|
if (const auto strong = weak.lock()) {
|
|
strong->setOutgoingVideoState(state);
|
|
}
|
|
});
|
|
});
|
|
setOutgoingVideoState(VideoState::Active);
|
|
} else {
|
|
_isScreenCapture = false;
|
|
|
|
setOutgoingVideoState(VideoState::Inactive);
|
|
}
|
|
|
|
if (_enableFlexfec) {
|
|
_videoChannel->RemoveSendStream(_ssrcVideo.outgoing);
|
|
_videoChannel->RemoveSendStream(_ssrcVideo.fecOutgoing);
|
|
} else {
|
|
_videoChannel->RemoveSendStream(_ssrcVideo.outgoing);
|
|
}
|
|
|
|
if (_enableFlexfec) {
|
|
cricket::StreamParams videoSendStreamParams;
|
|
cricket::SsrcGroup videoSendSsrcGroup(cricket::kFecFrSsrcGroupSemantics, {_ssrcVideo.outgoing, _ssrcVideo.fecOutgoing});
|
|
videoSendStreamParams.ssrcs = {_ssrcVideo.outgoing};
|
|
videoSendStreamParams.ssrc_groups.push_back(videoSendSsrcGroup);
|
|
videoSendStreamParams.cname = "cname";
|
|
_videoChannel->AddSendStream(videoSendStreamParams);
|
|
} else {
|
|
_videoChannel->AddSendStream(cricket::StreamParams::CreateLegacy(_ssrcVideo.outgoing));
|
|
}
|
|
|
|
checkIsSendingVideoChanged(wasSending);
|
|
checkIsReceivingVideoChanged(wasReceiving);
|
|
}
|
|
|
|
void MediaManager::sendVideoDeviceUpdated() {
|
|
if (!computeIsSendingVideo()) {
|
|
return;
|
|
}
|
|
const auto wasScreenCapture = _isScreenCapture;
|
|
const auto object = GetVideoCaptureAssumingSameThread(_videoCapture.get());
|
|
_isScreenCapture = object->isScreenCapture();
|
|
if (_isScreenCapture != wasScreenCapture) {
|
|
adjustBitratePreferences(true);
|
|
}
|
|
}
|
|
|
|
void MediaManager::setRequestedVideoAspect(float aspect) {
|
|
if (_localPreferredVideoAspectRatio != aspect) {
|
|
_localPreferredVideoAspectRatio = aspect;
|
|
if (_didConnectOnce) {
|
|
sendVideoParametersMessage();
|
|
}
|
|
}
|
|
}
|
|
|
|
void MediaManager::configureSendingVideoIfNeeded() {
|
|
if (_didConfigureVideo) {
|
|
return;
|
|
}
|
|
if (!_videoCodecOut.has_value()) {
|
|
return;
|
|
}
|
|
_didConfigureVideo = true;
|
|
|
|
auto codec = *_videoCodecOut;
|
|
|
|
codec.SetParam(cricket::kCodecParamMinBitrate, 64);
|
|
codec.SetParam(cricket::kCodecParamStartBitrate, 400);
|
|
codec.SetParam(cricket::kCodecParamMaxBitrate, _enableHighBitrateVideo ? 2000 : 800);
|
|
|
|
cricket::VideoSendParameters videoSendParameters;
|
|
videoSendParameters.codecs.push_back(codec);
|
|
|
|
if (_enableFlexfec) {
|
|
for (auto &c : _videoCodecs) {
|
|
if (c.name == cricket::kFlexfecCodecName) {
|
|
videoSendParameters.codecs.push_back(c);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
videoSendParameters.extensions.emplace_back(webrtc::RtpExtension::kTransportSequenceNumberUri, 2);
|
|
switch (_protocolVersion) {
|
|
case ProtocolVersion::V1:
|
|
videoSendParameters.extensions.emplace_back(webrtc::RtpExtension::kVideoRotationUri, 3);
|
|
videoSendParameters.extensions.emplace_back(
|
|
webrtc::RtpExtension::kTimestampOffsetUri, 4);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
videoSendParameters.rtcp.remote_estimate = true;
|
|
_videoChannel->SetSendParameters(videoSendParameters);
|
|
|
|
if (_enableFlexfec) {
|
|
cricket::StreamParams videoSendStreamParams;
|
|
cricket::SsrcGroup videoSendSsrcGroup(cricket::kFecFrSsrcGroupSemantics, {_ssrcVideo.outgoing, _ssrcVideo.fecOutgoing});
|
|
videoSendStreamParams.ssrcs = {_ssrcVideo.outgoing};
|
|
videoSendStreamParams.ssrc_groups.push_back(videoSendSsrcGroup);
|
|
videoSendStreamParams.cname = "cname";
|
|
_videoChannel->AddSendStream(videoSendStreamParams);
|
|
} else {
|
|
_videoChannel->AddSendStream(cricket::StreamParams::CreateLegacy(_ssrcVideo.outgoing));
|
|
}
|
|
|
|
adjustBitratePreferences(true);
|
|
}
|
|
|
|
void MediaManager::checkIsSendingVideoChanged(bool wasSending) {
|
|
const auto sending = computeIsSendingVideo();
|
|
if (sending == wasSending) {
|
|
return;
|
|
} else if (sending) {
|
|
configureSendingVideoIfNeeded();
|
|
|
|
if (_enableFlexfec) {
|
|
_videoChannel->SetVideoSend(_ssrcVideo.outgoing, NULL, GetVideoCaptureAssumingSameThread(_videoCapture.get())->source());
|
|
_videoChannel->SetVideoSend(_ssrcVideo.fecOutgoing, NULL, nullptr);
|
|
} else {
|
|
_videoChannel->SetVideoSend(_ssrcVideo.outgoing, NULL, GetVideoCaptureAssumingSameThread(_videoCapture.get())->source());
|
|
}
|
|
|
|
_videoChannel->OnReadyToSend(_isConnected);
|
|
_videoChannel->SetSend(_isConnected);
|
|
} else {
|
|
_videoChannel->SetVideoSend(_ssrcVideo.outgoing, NULL, nullptr);
|
|
_videoChannel->SetVideoSend(_ssrcVideo.fecOutgoing, NULL, nullptr);
|
|
}
|
|
|
|
adjustBitratePreferences(true);
|
|
}
|
|
|
|
int MediaManager::getMaxVideoBitrate() const {
|
|
return (_enableHighBitrateVideo && _isLowCostNetwork) ? 2000000 : 800000;
|
|
}
|
|
|
|
int MediaManager::getMaxAudioBitrate() const {
|
|
if (_isDataSavingActive) {
|
|
return 16000;
|
|
} else {
|
|
return 32000;
|
|
}
|
|
}
|
|
|
|
void MediaManager::adjustBitratePreferences(bool resetStartBitrate) {
|
|
if (computeIsSendingVideo()) {
|
|
webrtc::BitrateConstraints preferences;
|
|
if (_isScreenCapture) {
|
|
preferences.min_bitrate_bps = 700000;
|
|
if (resetStartBitrate) {
|
|
preferences.start_bitrate_bps = 700000;
|
|
}
|
|
} else {
|
|
preferences.min_bitrate_bps = 64000;
|
|
if (resetStartBitrate) {
|
|
preferences.start_bitrate_bps = 400000;
|
|
}
|
|
}
|
|
preferences.max_bitrate_bps = getMaxVideoBitrate();
|
|
|
|
_call->GetTransportControllerSend()->SetSdpBitrateParameters(preferences);
|
|
} else {
|
|
webrtc::BitrateConstraints preferences;
|
|
if (_didConfigureVideo) {
|
|
// After we have configured outgoing video, RTCP stops working for outgoing audio
|
|
// TODO: investigate
|
|
preferences.min_bitrate_bps = 16000;
|
|
if (resetStartBitrate) {
|
|
preferences.start_bitrate_bps = 16000;
|
|
}
|
|
preferences.max_bitrate_bps = 32000;
|
|
} else {
|
|
preferences.min_bitrate_bps = 8000;
|
|
if (resetStartBitrate) {
|
|
preferences.start_bitrate_bps = 16000;
|
|
}
|
|
preferences.max_bitrate_bps = getMaxAudioBitrate();
|
|
}
|
|
|
|
_call->GetTransportControllerSend()->SetSdpBitrateParameters(preferences);
|
|
}
|
|
}
|
|
|
|
void MediaManager::checkIsReceivingVideoChanged(bool wasReceiving) {
|
|
const auto receiving = computeIsReceivingVideo();
|
|
if (receiving == wasReceiving) {
|
|
return;
|
|
} else {
|
|
cricket::VideoRecvParameters videoRecvParameters;
|
|
|
|
const auto codecs = {
|
|
cricket::kFlexfecCodecName,
|
|
cricket::kH264CodecName,
|
|
#ifndef WEBRTC_DISABLE_H265
|
|
cricket::kH265CodecName,
|
|
#endif
|
|
cricket::kVp8CodecName,
|
|
cricket::kVp9CodecName,
|
|
cricket::kAv1CodecName,
|
|
};
|
|
for (const auto &c : _videoCodecs) {
|
|
for (const auto known : codecs) {
|
|
if (c.name == known) {
|
|
videoRecvParameters.codecs.push_back(c);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
videoRecvParameters.extensions.emplace_back(webrtc::RtpExtension::kTransportSequenceNumberUri, 2);
|
|
switch (_protocolVersion) {
|
|
case ProtocolVersion::V1:
|
|
videoRecvParameters.extensions.emplace_back(webrtc::RtpExtension::kVideoRotationUri, 3);
|
|
videoRecvParameters.extensions.emplace_back(
|
|
webrtc::RtpExtension::kTimestampOffsetUri, 4);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
videoRecvParameters.rtcp.reduced_size = true;
|
|
videoRecvParameters.rtcp.remote_estimate = true;
|
|
|
|
cricket::StreamParams videoRecvStreamParams;
|
|
cricket::SsrcGroup videoRecvSsrcGroup(cricket::kFecFrSsrcGroupSemantics, {_ssrcVideo.incoming, _ssrcVideo.fecIncoming});
|
|
videoRecvStreamParams.ssrcs = {_ssrcVideo.incoming};
|
|
videoRecvStreamParams.ssrc_groups.push_back(videoRecvSsrcGroup);
|
|
videoRecvStreamParams.cname = "cname";
|
|
std::vector<std::string> streamIds;
|
|
streamIds.push_back("1");
|
|
videoRecvStreamParams.set_stream_ids(streamIds);
|
|
|
|
_videoChannel->SetRecvParameters(videoRecvParameters);
|
|
_videoChannel->AddRecvStream(videoRecvStreamParams);
|
|
_readyToReceiveVideo = true;
|
|
_videoChannel->SetSink(_ssrcVideo.incoming, _incomingVideoSinkProxy.get());
|
|
}
|
|
}
|
|
|
|
void MediaManager::setMuteOutgoingAudio(bool mute) {
|
|
setOutgoingAudioState(mute ? AudioState::Muted : AudioState::Active);
|
|
_audioChannel->SetAudioSend(_ssrcAudio.outgoing, _isConnected && (_outgoingAudioState == AudioState::Active), nullptr, &_audioSource);
|
|
}
|
|
|
|
void MediaManager::setOutgoingAudioState(AudioState state) {
|
|
if (_outgoingAudioState == state) {
|
|
return;
|
|
}
|
|
_outgoingAudioState = state;
|
|
sendOutgoingMediaStateMessage();
|
|
}
|
|
|
|
void MediaManager::setOutgoingVideoState(VideoState state) {
|
|
if (_outgoingVideoState == state) {
|
|
return;
|
|
}
|
|
_outgoingVideoState = state;
|
|
sendOutgoingMediaStateMessage();
|
|
}
|
|
|
|
void MediaManager::setIncomingVideoOutput(std::shared_ptr<rtc::VideoSinkInterface<webrtc::VideoFrame>> sink) {
|
|
_incomingVideoSinkProxy->setSink(sink);
|
|
}
|
|
|
|
static bool IsRtcp(const uint8_t* packet, size_t length) {
|
|
webrtc::RtpUtility::RtpHeaderParser rtp_parser(packet, length);
|
|
return rtp_parser.RTCP();
|
|
}
|
|
|
|
void MediaManager::receiveMessage(DecryptedMessage &&message) {
|
|
const auto data = &message.message.data;
|
|
if (const auto formats = absl::get_if<VideoFormatsMessage>(data)) {
|
|
setPeerVideoFormats(std::move(*formats));
|
|
} else if (const auto audio = absl::get_if<AudioDataMessage>(data)) {
|
|
if (IsRtcp(audio->data.data(), audio->data.size())) {
|
|
RTC_LOG(LS_VERBOSE) << "Deliver audio RTCP";
|
|
}
|
|
_call->Receiver()->DeliverPacket(webrtc::MediaType::AUDIO, audio->data, -1);
|
|
} else if (const auto video = absl::get_if<VideoDataMessage>(data)) {
|
|
if (_videoChannel) {
|
|
if (_readyToReceiveVideo) {
|
|
_call->Receiver()->DeliverPacket(webrtc::MediaType::VIDEO, video->data, -1);
|
|
} else {
|
|
// maybe we need to queue packets for some time?
|
|
}
|
|
}
|
|
} else if (const auto videoParameters = absl::get_if<VideoParametersMessage>(data)) {
|
|
float value = ((float)videoParameters->aspectRatio) / 1000.0;
|
|
_preferredAspectRatio = value;
|
|
if (_videoCapture) {
|
|
_videoCapture->setPreferredAspectRatio(value);
|
|
}
|
|
}
|
|
}
|
|
|
|
void MediaManager::remoteVideoStateUpdated(VideoState videoState) {
|
|
switch (videoState) {
|
|
case VideoState::Active:
|
|
case VideoState::Paused:
|
|
configureSendingVideoIfNeeded();
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
void MediaManager::setNetworkParameters(bool isLowCost, bool isDataSavingActive) {
|
|
if (_isLowCostNetwork != isLowCost || _isDataSavingActive != isDataSavingActive) {
|
|
_isLowCostNetwork = isLowCost;
|
|
_isDataSavingActive = isDataSavingActive;
|
|
RTC_LOG(LS_INFO) << "MediaManager isLowCostNetwork: " << (isLowCost ? 1 : 0) << ", isDataSavingActive: " << (isDataSavingActive ? 1 : 0);
|
|
adjustBitratePreferences(false);
|
|
}
|
|
}
|
|
|
|
void MediaManager::fillCallStats(CallStats &callStats) {
|
|
if (_videoCodecOut.has_value()) {
|
|
callStats.outgoingCodec = _videoCodecOut->name;
|
|
}
|
|
callStats.bitrateRecords = std::move(_bitrateRecords);
|
|
}
|
|
|
|
void MediaManager::setAudioInputDevice(std::string id) {
|
|
#if defined(WEBRTC_IOS)
|
|
#else
|
|
SetAudioInputDeviceById(_audioDeviceModule.get(), id);
|
|
#endif
|
|
}
|
|
|
|
void MediaManager::setAudioOutputDevice(std::string id) {
|
|
#if defined(WEBRTC_IOS)
|
|
#else
|
|
SetAudioOutputDeviceById(_audioDeviceModule.get(), id);
|
|
#endif
|
|
}
|
|
|
|
void MediaManager::setInputVolume(float level) {
|
|
// This is not what we want, it changes OS volume on macOS.
|
|
// auto min = uint32_t();
|
|
// auto max = uint32_t();
|
|
// if (const auto result = _audioDeviceModule->MinMicrophoneVolume(&min)) {
|
|
// RTC_LOG(LS_ERROR) << "setInputVolume(" << level << "): MinMicrophoneVolume failed: " << result << ".";
|
|
// return;
|
|
// } else if (const auto result = _audioDeviceModule->MaxMicrophoneVolume(&max)) {
|
|
// RTC_LOG(LS_ERROR) << "setInputVolume(" << level << "): MaxMicrophoneVolume failed: " << result << ".";
|
|
// return;
|
|
// }
|
|
// const auto volume = min + uint32_t(std::round((max - min) * std::min(std::max(level, 0.f), 1.f)));
|
|
// if (const auto result = _audioDeviceModule->SetMicrophoneVolume(volume)) {
|
|
// RTC_LOG(LS_ERROR) << "setInputVolume(" << level << "): SetMicrophoneVolume(" << volume << ") failed: " << result << ".";
|
|
// } else {
|
|
// RTC_LOG(LS_INFO) << "setInputVolume(" << level << ") volume " << volume << " success.";
|
|
// }
|
|
}
|
|
|
|
void MediaManager::setOutputVolume(float level) {
|
|
// This is not what we want, it changes OS volume on macOS.
|
|
// auto min = uint32_t();
|
|
// auto max = uint32_t();
|
|
// if (const auto result = _audioDeviceModule->MinSpeakerVolume(&min)) {
|
|
// RTC_LOG(LS_ERROR) << "setOutputVolume(" << level << "): MinSpeakerVolume failed: " << result << ".";
|
|
// return;
|
|
// } else if (const auto result = _audioDeviceModule->MaxSpeakerVolume(&max)) {
|
|
// RTC_LOG(LS_ERROR) << "setOutputVolume(" << level << "): MaxSpeakerVolume failed: " << result << ".";
|
|
// return;
|
|
// }
|
|
// const auto volume = min + uint32_t(std::round((max - min) * std::min(std::max(level, 0.f), 1.f)));
|
|
// if (const auto result = _audioDeviceModule->SetSpeakerVolume(volume)) {
|
|
// RTC_LOG(LS_ERROR) << "setOutputVolume(" << level << "): SetSpeakerVolume(" << volume << ") failed: " << result << ".";
|
|
// } else {
|
|
// RTC_LOG(LS_INFO) << "setOutputVolume(" << level << ") volume " << volume << " success.";
|
|
// }
|
|
}
|
|
|
|
void MediaManager::addExternalAudioSamples(std::vector<uint8_t> &&samples) {
|
|
if (samples.size() % 2 != 0) {
|
|
return;
|
|
}
|
|
_externalAudioSamplesMutex.Lock();
|
|
|
|
size_t previousSize = _externalAudioSamples.size();
|
|
_externalAudioSamples.resize(_externalAudioSamples.size() + samples.size() / 2);
|
|
webrtc::S16ToFloatS16((const int16_t *)samples.data(), samples.size() / 2, _externalAudioSamples.data() + previousSize);
|
|
|
|
if (_externalAudioSamples.size() > 2 * 48000) {
|
|
_externalAudioSamples.erase(_externalAudioSamples.begin(), _externalAudioSamples.begin() + (_externalAudioSamples.size() - 2 * 48000));
|
|
}
|
|
|
|
_externalAudioSamplesMutex.Unlock();
|
|
}
|
|
|
|
MediaManager::NetworkInterfaceImpl::NetworkInterfaceImpl(MediaManager *mediaManager, bool isVideo) :
|
|
_mediaManager(mediaManager),
|
|
_isVideo(isVideo) {
|
|
}
|
|
|
|
bool MediaManager::NetworkInterfaceImpl::SendPacket(rtc::CopyOnWriteBuffer *packet, const rtc::PacketOptions& options) {
|
|
return sendTransportMessage(packet, options);
|
|
}
|
|
|
|
bool MediaManager::NetworkInterfaceImpl::SendRtcp(rtc::CopyOnWriteBuffer *packet, const rtc::PacketOptions& options) {
|
|
return sendTransportMessage(packet, options);
|
|
}
|
|
|
|
bool MediaManager::NetworkInterfaceImpl::sendTransportMessage(rtc::CopyOnWriteBuffer *packet, const rtc::PacketOptions& options) {
|
|
if (_isVideo) {
|
|
RTC_LOG(LS_VERBOSE) << "Send video packet";
|
|
}
|
|
_mediaManager->_sendTransportMessage(_isVideo
|
|
? Message{ VideoDataMessage{ *packet } }
|
|
: Message{ AudioDataMessage{ *packet } });
|
|
rtc::SentPacket sentPacket(options.packet_id, rtc::TimeMillis(), options.info_signaled_after_sent);
|
|
_mediaManager->notifyPacketSent(sentPacket);
|
|
return true;
|
|
}
|
|
|
|
int MediaManager::NetworkInterfaceImpl::SetOption(cricket::MediaChannel::NetworkInterface::SocketType, rtc::Socket::Option, int) {
|
|
return -1;
|
|
}
|
|
|
|
} // namespace tgcalls
|