| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include <stdint.h> |
| |
| #include "base/bind.h" |
| #include "base/bind_helpers.h" |
| #include "base/callback.h" |
| #include "base/message_loop/message_loop.h" |
| #include "base/run_loop.h" |
| #include "base/strings/utf_string_conversions.h" |
| #include "base/threading/thread_checker_impl.h" |
| #include "content/child/child_process.h" |
| #include "content/renderer/media/media_stream_video_track.h" |
| #include "content/renderer/media/mock_media_stream_video_sink.h" |
| #include "content/renderer/media/mock_media_stream_video_source.h" |
| #include "media/base/video_frame.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "third_party/WebKit/public/web/WebHeap.h" |
| |
| namespace content { |
| |
| const uint8_t kBlackValue = 0x00; |
| const uint8_t kColorValue = 0xAB; |
| |
| ACTION_P(RunClosure, closure) { |
| closure.Run(); |
| } |
| |
| class MediaStreamVideoTrackTest : public ::testing::Test { |
| public: |
| MediaStreamVideoTrackTest() |
| : child_process_(new ChildProcess()), |
| mock_source_(new MockMediaStreamVideoSource(false)), |
| source_started_(false) { |
| blink_source_.initialize(blink::WebString::fromASCII("dummy_source_id"), |
| blink::WebMediaStreamSource::TypeVideo, |
| blink::WebString::fromASCII("dummy_source_name"), |
| false /* remote */); |
| blink_source_.setExtraData(mock_source_); |
| } |
| |
| ~MediaStreamVideoTrackTest() override {} |
| |
| void TearDown() override { |
| blink_source_.reset(); |
| blink::WebHeap::collectAllGarbageForTesting(); |
| } |
| |
| void DeliverVideoFrameAndWaitForRenderer(MockMediaStreamVideoSink* sink) { |
| base::RunLoop run_loop; |
| base::Closure quit_closure = run_loop.QuitClosure(); |
| EXPECT_CALL(*sink, OnVideoFrame()).WillOnce(RunClosure(quit_closure)); |
| const scoped_refptr<media::VideoFrame> frame = |
| media::VideoFrame::CreateColorFrame( |
| gfx::Size(MediaStreamVideoSource::kDefaultWidth, |
| MediaStreamVideoSource::kDefaultHeight), |
| kColorValue, kColorValue, kColorValue, base::TimeDelta()); |
| mock_source()->DeliverVideoFrame(frame); |
| run_loop.Run(); |
| } |
| |
| protected: |
| base::MessageLoop* io_message_loop() const { |
| return child_process_->io_message_loop(); |
| } |
| |
| // Create a track that's associated with |mock_source_|. |
| blink::WebMediaStreamTrack CreateTrack() { |
| blink::WebMediaConstraints constraints; |
| constraints.initialize(); |
| const bool enabled = true; |
| blink::WebMediaStreamTrack track = |
| MediaStreamVideoTrack::CreateVideoTrack( |
| mock_source_, constraints, |
| MediaStreamSource::ConstraintsCallback(), enabled); |
| if (!source_started_) { |
| mock_source_->StartMockedSource(); |
| source_started_ = true; |
| } |
| return track; |
| } |
| |
| void UpdateVideoSourceToRespondToRequestRefreshFrame() { |
| blink_source_.reset(); |
| mock_source_ = new MockMediaStreamVideoSource(false, true); |
| blink_source_.initialize(blink::WebString::fromASCII("dummy_source_id"), |
| blink::WebMediaStreamSource::TypeVideo, |
| blink::WebString::fromASCII("dummy_source_name"), |
| false /* remote */); |
| blink_source_.setExtraData(mock_source_); |
| } |
| |
| MockMediaStreamVideoSource* mock_source() { return mock_source_; } |
| const blink::WebMediaStreamSource& blink_source() const { |
| return blink_source_; |
| } |
| |
| private: |
| const base::MessageLoopForUI message_loop_; |
| const std::unique_ptr<ChildProcess> child_process_; |
| blink::WebMediaStreamSource blink_source_; |
| // |mock_source_| is owned by |webkit_source_|. |
| MockMediaStreamVideoSource* mock_source_; |
| bool source_started_; |
| }; |
| |
| TEST_F(MediaStreamVideoTrackTest, AddAndRemoveSink) { |
| MockMediaStreamVideoSink sink; |
| blink::WebMediaStreamTrack track = CreateTrack(); |
| sink.ConnectToTrack(track); |
| |
| DeliverVideoFrameAndWaitForRenderer(&sink); |
| EXPECT_EQ(1, sink.number_of_frames()); |
| |
| DeliverVideoFrameAndWaitForRenderer(&sink); |
| |
| sink.DisconnectFromTrack(); |
| |
| scoped_refptr<media::VideoFrame> frame = |
| media::VideoFrame::CreateBlackFrame( |
| gfx::Size(MediaStreamVideoSource::kDefaultWidth, |
| MediaStreamVideoSource::kDefaultHeight)); |
| mock_source()->DeliverVideoFrame(frame); |
| // Wait for the IO thread to complete delivering frames. |
| base::RunLoop().RunUntilIdle(); |
| EXPECT_EQ(2, sink.number_of_frames()); |
| } |
| |
| class CheckThreadHelper { |
| public: |
| CheckThreadHelper(base::Closure callback, bool* correct) |
| : callback_(callback), |
| correct_(correct) { |
| } |
| |
| ~CheckThreadHelper() { |
| *correct_ = thread_checker_.CalledOnValidThread(); |
| callback_.Run(); |
| } |
| |
| private: |
| base::Closure callback_; |
| bool* correct_; |
| base::ThreadCheckerImpl thread_checker_; |
| }; |
| |
| void CheckThreadVideoFrameReceiver( |
| CheckThreadHelper* helper, |
| const scoped_refptr<media::VideoFrame>& frame, |
| base::TimeTicks estimated_capture_time) { |
| // Do nothing. |
| } |
| |
| // Checks that the callback given to the track is reset on the right thread. |
| TEST_F(MediaStreamVideoTrackTest, ResetCallbackOnThread) { |
| MockMediaStreamVideoSink sink; |
| blink::WebMediaStreamTrack track = CreateTrack(); |
| |
| base::RunLoop run_loop; |
| bool correct = false; |
| sink.ConnectToTrackWithCallback( |
| track, |
| base::Bind(&CheckThreadVideoFrameReceiver, |
| base::Owned(new CheckThreadHelper(run_loop.QuitClosure(), |
| &correct)))); |
| sink.DisconnectFromTrack(); |
| run_loop.Run(); |
| EXPECT_TRUE(correct) << "Not called on correct thread."; |
| } |
| |
| TEST_F(MediaStreamVideoTrackTest, SetEnabled) { |
| MockMediaStreamVideoSink sink; |
| blink::WebMediaStreamTrack track = CreateTrack(); |
| sink.ConnectToTrack(track); |
| |
| MediaStreamVideoTrack* video_track = |
| MediaStreamVideoTrack::GetVideoTrack(track); |
| |
| DeliverVideoFrameAndWaitForRenderer(&sink); |
| EXPECT_EQ(1, sink.number_of_frames()); |
| EXPECT_EQ(kColorValue, *sink.last_frame()->data(media::VideoFrame::kYPlane)); |
| |
| video_track->SetEnabled(false); |
| EXPECT_FALSE(sink.enabled()); |
| |
| DeliverVideoFrameAndWaitForRenderer(&sink); |
| EXPECT_EQ(2, sink.number_of_frames()); |
| EXPECT_EQ(kBlackValue, *sink.last_frame()->data(media::VideoFrame::kYPlane)); |
| |
| video_track->SetEnabled(true); |
| EXPECT_TRUE(sink.enabled()); |
| DeliverVideoFrameAndWaitForRenderer(&sink); |
| EXPECT_EQ(3, sink.number_of_frames()); |
| EXPECT_EQ(kColorValue, *sink.last_frame()->data(media::VideoFrame::kYPlane)); |
| sink.DisconnectFromTrack(); |
| } |
| |
| TEST_F(MediaStreamVideoTrackTest, SourceStopped) { |
| MockMediaStreamVideoSink sink; |
| blink::WebMediaStreamTrack track = CreateTrack(); |
| sink.ConnectToTrack(track); |
| EXPECT_EQ(blink::WebMediaStreamSource::ReadyStateLive, sink.state()); |
| |
| mock_source()->StopSource(); |
| EXPECT_EQ(blink::WebMediaStreamSource::ReadyStateEnded, sink.state()); |
| sink.DisconnectFromTrack(); |
| } |
| |
| TEST_F(MediaStreamVideoTrackTest, StopLastTrack) { |
| MockMediaStreamVideoSink sink1; |
| blink::WebMediaStreamTrack track1 = CreateTrack(); |
| sink1.ConnectToTrack(track1); |
| EXPECT_EQ(blink::WebMediaStreamSource::ReadyStateLive, sink1.state()); |
| |
| EXPECT_EQ(blink::WebMediaStreamSource::ReadyStateLive, |
| blink_source().getReadyState()); |
| |
| MockMediaStreamVideoSink sink2; |
| blink::WebMediaStreamTrack track2 = CreateTrack(); |
| sink2.ConnectToTrack(track2); |
| EXPECT_EQ(blink::WebMediaStreamSource::ReadyStateLive, sink2.state()); |
| |
| MediaStreamVideoTrack* const native_track1 = |
| MediaStreamVideoTrack::GetVideoTrack(track1); |
| native_track1->Stop(); |
| EXPECT_EQ(blink::WebMediaStreamSource::ReadyStateEnded, sink1.state()); |
| EXPECT_EQ(blink::WebMediaStreamSource::ReadyStateLive, |
| blink_source().getReadyState()); |
| sink1.DisconnectFromTrack(); |
| |
| MediaStreamVideoTrack* const native_track2 = |
| MediaStreamVideoTrack::GetVideoTrack(track2); |
| native_track2->Stop(); |
| EXPECT_EQ(blink::WebMediaStreamSource::ReadyStateEnded, sink2.state()); |
| EXPECT_EQ(blink::WebMediaStreamSource::ReadyStateEnded, |
| blink_source().getReadyState()); |
| sink2.DisconnectFromTrack(); |
| } |
| |
| TEST_F(MediaStreamVideoTrackTest, CheckTrackRequestsFrame) { |
| UpdateVideoSourceToRespondToRequestRefreshFrame(); |
| blink::WebMediaStreamTrack track = CreateTrack(); |
| |
| // Add sink and expect to get a frame. |
| MockMediaStreamVideoSink sink; |
| base::RunLoop run_loop; |
| base::Closure quit_closure = run_loop.QuitClosure(); |
| EXPECT_CALL(sink, OnVideoFrame()).WillOnce(RunClosure(quit_closure)); |
| sink.ConnectToTrack(track); |
| run_loop.Run(); |
| EXPECT_EQ(1, sink.number_of_frames()); |
| |
| sink.DisconnectFromTrack(); |
| } |
| |
| TEST_F(MediaStreamVideoTrackTest, GetSettings) { |
| blink::WebMediaStreamTrack track = CreateTrack(); |
| MediaStreamVideoTrack* const native_track = |
| MediaStreamVideoTrack::GetVideoTrack(track); |
| blink::WebMediaStreamTrack::Settings settings; |
| native_track->getSettings(settings); |
| // These values come straight from the mock video track implementation. |
| EXPECT_EQ(640, settings.width); |
| EXPECT_EQ(480, settings.height); |
| EXPECT_EQ(30.0, settings.frameRate); |
| EXPECT_EQ(blink::WebMediaStreamTrack::FacingMode::None, settings.facingMode); |
| } |
| |
| } // namespace content |