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
94
95
96
97
98
99
100
101
102
103
104
105
106
|
// Copyright 2020 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 "third_party/blink/renderer/platform/peerconnection/rtc_encoded_audio_stream_transformer.h"
#include <stdint.h>
#include <memory>
#include <vector>
#include "base/memory/scoped_refptr.h"
#include "base/single_thread_task_runner.h"
#include "base/task/thread_pool.h"
#include "base/test/task_environment.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/platform/scheduler/test/renderer_scheduler_test_support.h"
#include "third_party/blink/renderer/platform/peerconnection/rtc_scoped_refptr_cross_thread_copier.h"
#include "third_party/blink/renderer/platform/scheduler/public/post_cross_thread_task.h"
#include "third_party/blink/renderer/platform/wtf/cross_thread_functional.h"
#include "third_party/blink/renderer/platform/wtf/functional.h"
#include "third_party/webrtc/api/frame_transformer_interface.h"
#include "third_party/webrtc/rtc_base/ref_counted_object.h"
namespace blink {
namespace {
class MockWebRtcTransformedFrameCallback
: public webrtc::TransformedFrameCallback {
public:
MOCK_METHOD1(OnTransformedFrame,
void(std::unique_ptr<webrtc::TransformableFrameInterface>));
};
class MockTransformerCallbackHolder {
public:
MOCK_METHOD1(OnEncodedFrame,
void(std::unique_ptr<webrtc::TransformableFrameInterface>));
};
} // namespace
class RTCEncodedAudioStreamTransformerTest : public ::testing::Test {
public:
RTCEncodedAudioStreamTransformerTest()
: main_task_runner_(
blink::scheduler::GetSingleThreadTaskRunnerForTesting()),
webrtc_task_runner_(base::ThreadPool::CreateSingleThreadTaskRunner({})),
webrtc_callback_(
new rtc::RefCountedObject<MockWebRtcTransformedFrameCallback>()),
encoded_audio_stream_transformer_(main_task_runner_) {}
void SetUp() override {
EXPECT_FALSE(
encoded_audio_stream_transformer_.HasTransformedFrameCallback());
encoded_audio_stream_transformer_.RegisterTransformedFrameCallback(
webrtc_callback_);
EXPECT_TRUE(
encoded_audio_stream_transformer_.HasTransformedFrameCallback());
}
void TearDown() override {
encoded_audio_stream_transformer_.UnregisterTransformedFrameCallback();
EXPECT_FALSE(
encoded_audio_stream_transformer_.HasTransformedFrameCallback());
}
protected:
base::test::TaskEnvironment task_environment_;
scoped_refptr<base::SingleThreadTaskRunner> main_task_runner_;
scoped_refptr<base::SingleThreadTaskRunner> webrtc_task_runner_;
rtc::scoped_refptr<MockWebRtcTransformedFrameCallback> webrtc_callback_;
MockTransformerCallbackHolder mock_transformer_callback_holder_;
RTCEncodedAudioStreamTransformer encoded_audio_stream_transformer_;
};
TEST_F(RTCEncodedAudioStreamTransformerTest,
TransformerForwardsFrameToTransformerCallback) {
EXPECT_FALSE(encoded_audio_stream_transformer_.HasTransformerCallback());
encoded_audio_stream_transformer_.SetTransformerCallback(
WTF::BindRepeating(&MockTransformerCallbackHolder::OnEncodedFrame,
WTF::Unretained(&mock_transformer_callback_holder_)));
EXPECT_TRUE(encoded_audio_stream_transformer_.HasTransformerCallback());
EXPECT_CALL(mock_transformer_callback_holder_, OnEncodedFrame);
// Frames are pushed to the RTCEncodedAudioStreamTransformer via its delegate,
// which would normally be registered with a WebRTC sender or receiver.
// In this test, manually send the frame to the transformer on the simulated
// WebRTC thread.
PostCrossThreadTask(
*webrtc_task_runner_, FROM_HERE,
CrossThreadBindOnce(&webrtc::FrameTransformerInterface::Transform,
encoded_audio_stream_transformer_.Delegate(),
nullptr));
task_environment_.RunUntilIdle();
}
TEST_F(RTCEncodedAudioStreamTransformerTest, TransformerForwardsFrameToWebRTC) {
EXPECT_CALL(*webrtc_callback_, OnTransformedFrame);
encoded_audio_stream_transformer_.SendFrameToSink(nullptr);
task_environment_.RunUntilIdle();
}
} // namespace blink
|
