95 lines
3.5 KiB
C++
95 lines
3.5 KiB
C++
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/*
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* Copyright 2012 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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#include "pc/video_track.h"
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#include <memory>
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#include "media/base/fake_frame_source.h"
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#include "media/base/video_common.h"
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#include "pc/test/fake_video_track_renderer.h"
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#include "pc/test/fake_video_track_source.h"
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#include "pc/video_track_source.h"
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#include "rtc_base/ref_counted_object.h"
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#include "test/gtest.h"
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using webrtc::FakeVideoTrackRenderer;
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using webrtc::FakeVideoTrackSource;
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using webrtc::MediaSourceInterface;
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using webrtc::MediaStreamTrackInterface;
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using webrtc::VideoTrack;
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using webrtc::VideoTrackInterface;
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using webrtc::VideoTrackSource;
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class VideoTrackTest : public ::testing::Test {
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public:
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VideoTrackTest() : frame_source_(640, 480, rtc::kNumMicrosecsPerSec / 30) {
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static const char kVideoTrackId[] = "track_id";
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video_track_source_ = new rtc::RefCountedObject<FakeVideoTrackSource>(
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/*is_screencast=*/false);
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video_track_ = VideoTrack::Create(kVideoTrackId, video_track_source_,
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rtc::Thread::Current());
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}
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protected:
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rtc::scoped_refptr<FakeVideoTrackSource> video_track_source_;
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rtc::scoped_refptr<VideoTrackInterface> video_track_;
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cricket::FakeFrameSource frame_source_;
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};
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// Test changing the source state also changes the track state.
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TEST_F(VideoTrackTest, SourceStateChangeTrackState) {
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EXPECT_EQ(MediaStreamTrackInterface::kLive, video_track_->state());
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video_track_source_->SetState(MediaSourceInterface::kEnded);
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EXPECT_EQ(MediaStreamTrackInterface::kEnded, video_track_->state());
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}
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// Test adding renderers to a video track and render to them by providing
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// frames to the source.
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TEST_F(VideoTrackTest, RenderVideo) {
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// FakeVideoTrackRenderer register itself to |video_track_|
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std::unique_ptr<FakeVideoTrackRenderer> renderer_1(
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new FakeVideoTrackRenderer(video_track_.get()));
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video_track_source_->InjectFrame(frame_source_.GetFrame());
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EXPECT_EQ(1, renderer_1->num_rendered_frames());
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// FakeVideoTrackRenderer register itself to |video_track_|
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std::unique_ptr<FakeVideoTrackRenderer> renderer_2(
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new FakeVideoTrackRenderer(video_track_.get()));
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video_track_source_->InjectFrame(frame_source_.GetFrame());
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EXPECT_EQ(2, renderer_1->num_rendered_frames());
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EXPECT_EQ(1, renderer_2->num_rendered_frames());
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renderer_1.reset(nullptr);
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video_track_source_->InjectFrame(frame_source_.GetFrame());
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EXPECT_EQ(2, renderer_2->num_rendered_frames());
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}
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// Test that disabling the track results in blacked out frames.
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TEST_F(VideoTrackTest, DisableTrackBlackout) {
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std::unique_ptr<FakeVideoTrackRenderer> renderer(
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new FakeVideoTrackRenderer(video_track_.get()));
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video_track_source_->InjectFrame(frame_source_.GetFrame());
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EXPECT_EQ(1, renderer->num_rendered_frames());
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EXPECT_FALSE(renderer->black_frame());
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video_track_->set_enabled(false);
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video_track_source_->InjectFrame(frame_source_.GetFrame());
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EXPECT_EQ(2, renderer->num_rendered_frames());
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EXPECT_TRUE(renderer->black_frame());
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video_track_->set_enabled(true);
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video_track_source_->InjectFrame(frame_source_.GetFrame());
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EXPECT_EQ(3, renderer->num_rendered_frames());
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EXPECT_FALSE(renderer->black_frame());
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}
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