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128 lines
4.8 KiB
128 lines
4.8 KiB
/*
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* Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef AUDIO_AUDIO_RECEIVE_STREAM_H_
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#define AUDIO_AUDIO_RECEIVE_STREAM_H_
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#include <memory>
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#include <vector>
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#include "api/audio/audio_mixer.h"
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#include "api/neteq/neteq_factory.h"
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#include "api/rtp_headers.h"
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#include "audio/audio_state.h"
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#include "call/audio_receive_stream.h"
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#include "call/syncable.h"
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#include "modules/rtp_rtcp/source/source_tracker.h"
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#include "rtc_base/constructor_magic.h"
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#include "rtc_base/thread_checker.h"
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#include "system_wrappers/include/clock.h"
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namespace webrtc {
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class PacketRouter;
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class ProcessThread;
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class RtcEventLog;
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class RtpPacketReceived;
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class RtpStreamReceiverControllerInterface;
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class RtpStreamReceiverInterface;
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namespace voe {
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class ChannelReceiveInterface;
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} // namespace voe
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namespace internal {
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class AudioSendStream;
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class AudioReceiveStream final : public webrtc::AudioReceiveStream,
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public AudioMixer::Source,
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public Syncable {
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public:
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AudioReceiveStream(Clock* clock,
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RtpStreamReceiverControllerInterface* receiver_controller,
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PacketRouter* packet_router,
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ProcessThread* module_process_thread,
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NetEqFactory* neteq_factory,
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const webrtc::AudioReceiveStream::Config& config,
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const rtc::scoped_refptr<webrtc::AudioState>& audio_state,
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webrtc::RtcEventLog* event_log);
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// For unit tests, which need to supply a mock channel receive.
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AudioReceiveStream(
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Clock* clock,
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RtpStreamReceiverControllerInterface* receiver_controller,
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PacketRouter* packet_router,
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const webrtc::AudioReceiveStream::Config& config,
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const rtc::scoped_refptr<webrtc::AudioState>& audio_state,
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webrtc::RtcEventLog* event_log,
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std::unique_ptr<voe::ChannelReceiveInterface> channel_receive);
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~AudioReceiveStream() override;
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// webrtc::AudioReceiveStream implementation.
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void Reconfigure(const webrtc::AudioReceiveStream::Config& config) override;
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void Start() override;
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void Stop() override;
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webrtc::AudioReceiveStream::Stats GetStats() const override;
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void SetSink(AudioSinkInterface* sink) override;
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void SetGain(float gain) override;
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bool SetBaseMinimumPlayoutDelayMs(int delay_ms) override;
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int GetBaseMinimumPlayoutDelayMs() const override;
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std::vector<webrtc::RtpSource> GetSources() const override;
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// TODO(nisse): We don't formally implement RtpPacketSinkInterface, and this
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// method shouldn't be needed. But it's currently used by the
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// AudioReceiveStreamTest.ReceiveRtpPacket unittest. Figure out if that test
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// shuld be refactored or deleted, and then delete this method.
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void OnRtpPacket(const RtpPacketReceived& packet);
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// AudioMixer::Source
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AudioFrameInfo GetAudioFrameWithInfo(int sample_rate_hz,
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AudioFrame* audio_frame) override;
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int Ssrc() const override;
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int PreferredSampleRate() const override;
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// Syncable
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uint32_t id() const override;
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absl::optional<Syncable::Info> GetInfo() const override;
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bool GetPlayoutRtpTimestamp(uint32_t* rtp_timestamp,
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int64_t* time_ms) const override;
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void SetEstimatedPlayoutNtpTimestampMs(int64_t ntp_timestamp_ms,
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int64_t time_ms) override;
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void SetMinimumPlayoutDelay(int delay_ms) override;
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void AssociateSendStream(AudioSendStream* send_stream);
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void DeliverRtcp(const uint8_t* packet, size_t length);
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const webrtc::AudioReceiveStream::Config& config() const;
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const AudioSendStream* GetAssociatedSendStreamForTesting() const;
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private:
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static void ConfigureStream(AudioReceiveStream* stream,
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const Config& new_config,
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bool first_time);
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AudioState* audio_state() const;
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rtc::ThreadChecker worker_thread_checker_;
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rtc::ThreadChecker module_process_thread_checker_;
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webrtc::AudioReceiveStream::Config config_;
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rtc::scoped_refptr<webrtc::AudioState> audio_state_;
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const std::unique_ptr<voe::ChannelReceiveInterface> channel_receive_;
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SourceTracker source_tracker_;
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AudioSendStream* associated_send_stream_ = nullptr;
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bool playing_ RTC_GUARDED_BY(worker_thread_checker_) = false;
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std::unique_ptr<RtpStreamReceiverInterface> rtp_stream_receiver_;
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RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(AudioReceiveStream);
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};
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} // namespace internal
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} // namespace webrtc
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#endif // AUDIO_AUDIO_RECEIVE_STREAM_H_
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