128 lines
4.3 KiB
C++
128 lines
4.3 KiB
C++
/*
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* Copyright 2018 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 TEST_SCENARIO_VIDEO_STREAM_H_
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#define TEST_SCENARIO_VIDEO_STREAM_H_
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#include <memory>
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#include <string>
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#include <vector>
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#include "rtc_base/constructor_magic.h"
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#include "rtc_base/synchronization/mutex.h"
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#include "test/fake_encoder.h"
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#include "test/fake_videorenderer.h"
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#include "test/frame_generator_capturer.h"
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#include "test/logging/log_writer.h"
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#include "test/scenario/call_client.h"
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#include "test/scenario/column_printer.h"
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#include "test/scenario/network_node.h"
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#include "test/scenario/scenario_config.h"
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#include "test/scenario/video_frame_matcher.h"
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#include "test/test_video_capturer.h"
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namespace webrtc {
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namespace test {
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// SendVideoStream provides an interface for changing parameters and retrieving
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// states at run time.
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class SendVideoStream {
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public:
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RTC_DISALLOW_COPY_AND_ASSIGN(SendVideoStream);
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~SendVideoStream();
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void SetCaptureFramerate(int framerate);
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VideoSendStream::Stats GetStats() const;
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ColumnPrinter StatsPrinter();
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void Start();
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void Stop();
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void UpdateConfig(std::function<void(VideoStreamConfig*)> modifier);
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void UpdateActiveLayers(std::vector<bool> active_layers);
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bool UsingSsrc(uint32_t ssrc) const;
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bool UsingRtxSsrc(uint32_t ssrc) const;
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private:
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friend class Scenario;
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friend class VideoStreamPair;
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friend class ReceiveVideoStream;
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// Handles RTCP feedback for this stream.
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SendVideoStream(CallClient* sender,
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VideoStreamConfig config,
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Transport* send_transport,
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VideoFrameMatcher* matcher);
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Mutex mutex_;
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std::vector<uint32_t> ssrcs_;
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std::vector<uint32_t> rtx_ssrcs_;
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VideoSendStream* send_stream_ = nullptr;
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CallClient* const sender_;
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VideoStreamConfig config_ RTC_GUARDED_BY(mutex_);
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std::unique_ptr<VideoEncoderFactory> encoder_factory_;
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std::vector<test::FakeEncoder*> fake_encoders_ RTC_GUARDED_BY(mutex_);
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std::unique_ptr<VideoBitrateAllocatorFactory> bitrate_allocator_factory_;
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std::unique_ptr<FrameGeneratorCapturer> video_capturer_;
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std::unique_ptr<ForwardingCapturedFrameTap> frame_tap_;
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int next_local_network_id_ = 0;
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int next_remote_network_id_ = 0;
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};
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// ReceiveVideoStream represents a video receiver. It can't be used directly.
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class ReceiveVideoStream {
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public:
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RTC_DISALLOW_COPY_AND_ASSIGN(ReceiveVideoStream);
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~ReceiveVideoStream();
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void Start();
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void Stop();
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VideoReceiveStream::Stats GetStats() const;
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private:
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friend class Scenario;
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friend class VideoStreamPair;
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ReceiveVideoStream(CallClient* receiver,
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VideoStreamConfig config,
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SendVideoStream* send_stream,
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size_t chosen_stream,
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Transport* feedback_transport,
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VideoFrameMatcher* matcher);
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std::vector<VideoReceiveStream*> receive_streams_;
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FlexfecReceiveStream* flecfec_stream_ = nullptr;
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FakeVideoRenderer fake_renderer_;
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std::vector<std::unique_ptr<rtc::VideoSinkInterface<VideoFrame>>>
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render_taps_;
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CallClient* const receiver_;
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const VideoStreamConfig config_;
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std::unique_ptr<VideoDecoderFactory> decoder_factory_;
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};
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// VideoStreamPair represents a video streaming session. It can be used to
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// access underlying send and receive classes. It can also be used in calls to
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// the Scenario class.
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class VideoStreamPair {
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public:
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RTC_DISALLOW_COPY_AND_ASSIGN(VideoStreamPair);
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~VideoStreamPair();
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SendVideoStream* send() { return &send_stream_; }
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ReceiveVideoStream* receive() { return &receive_stream_; }
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VideoFrameMatcher* matcher() { return &matcher_; }
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private:
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friend class Scenario;
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VideoStreamPair(CallClient* sender,
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CallClient* receiver,
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VideoStreamConfig config);
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const VideoStreamConfig config_;
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VideoFrameMatcher matcher_;
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SendVideoStream send_stream_;
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ReceiveVideoStream receive_stream_;
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};
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} // namespace test
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} // namespace webrtc
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#endif // TEST_SCENARIO_VIDEO_STREAM_H_
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