1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
/*
* Copyright 2012 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include <memory>
#include <string>
#include "webrtc/api/test/fakevideotrackrenderer.h"
#include "webrtc/api/videocapturertracksource.h"
#include "webrtc/api/videotrack.h"
#include "webrtc/base/gunit.h"
#include "webrtc/media/base/fakevideocapturer.h"
#include "webrtc/media/base/fakemediaengine.h"
using webrtc::FakeVideoTrackRenderer;
using webrtc::MediaSourceInterface;
using webrtc::MediaStreamTrackInterface;
using webrtc::VideoTrackSource;
using webrtc::VideoTrack;
using webrtc::VideoTrackInterface;
class VideoTrackTest : public testing::Test {
public:
VideoTrackTest() {
static const char kVideoTrackId[] = "track_id";
video_track_source_ = new rtc::RefCountedObject<VideoTrackSource>(
&capturer_, true /* remote */);
video_track_ = VideoTrack::Create(kVideoTrackId, video_track_source_);
capturer_.Start(
cricket::VideoFormat(640, 480, cricket::VideoFormat::FpsToInterval(30),
cricket::FOURCC_I420));
}
protected:
cricket::FakeVideoCapturer capturer_;
rtc::scoped_refptr<VideoTrackSource> video_track_source_;
rtc::scoped_refptr<VideoTrackInterface> video_track_;
};
// Test changing the source state also changes the track state.
TEST_F(VideoTrackTest, SourceStateChangeTrackState) {
EXPECT_EQ(MediaStreamTrackInterface::kLive, video_track_->state());
video_track_source_->SetState(MediaSourceInterface::kEnded);
EXPECT_EQ(MediaStreamTrackInterface::kEnded, video_track_->state());
}
// Test adding renderers to a video track and render to them by providing
// frames to the source.
TEST_F(VideoTrackTest, RenderVideo) {
// FakeVideoTrackRenderer register itself to |video_track_|
std::unique_ptr<FakeVideoTrackRenderer> renderer_1(
new FakeVideoTrackRenderer(video_track_.get()));
capturer_.CaptureFrame();
EXPECT_EQ(1, renderer_1->num_rendered_frames());
// FakeVideoTrackRenderer register itself to |video_track_|
std::unique_ptr<FakeVideoTrackRenderer> renderer_2(
new FakeVideoTrackRenderer(video_track_.get()));
capturer_.CaptureFrame();
EXPECT_EQ(2, renderer_1->num_rendered_frames());
EXPECT_EQ(1, renderer_2->num_rendered_frames());
renderer_1.reset(nullptr);
capturer_.CaptureFrame();
EXPECT_EQ(2, renderer_2->num_rendered_frames());
}
// Test that disabling the track results in blacked out frames.
TEST_F(VideoTrackTest, DisableTrackBlackout) {
std::unique_ptr<FakeVideoTrackRenderer> renderer(
new FakeVideoTrackRenderer(video_track_.get()));
capturer_.CaptureFrame();
EXPECT_EQ(1, renderer->num_rendered_frames());
EXPECT_FALSE(renderer->black_frame());
video_track_->set_enabled(false);
capturer_.CaptureFrame();
EXPECT_EQ(2, renderer->num_rendered_frames());
EXPECT_TRUE(renderer->black_frame());
video_track_->set_enabled(true);
capturer_.CaptureFrame();
EXPECT_EQ(3, renderer->num_rendered_frames());
EXPECT_FALSE(renderer->black_frame());
}
|
