1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #include "base/message_loop/message_loop.h"
6 #include "content/child/child_process.h"
7 #include "content/common/media/video_capture_messages.h"
8 #include "content/renderer/media/video_capture_impl.h"
9 #include "media/base/bind_to_current_loop.h"
10 #include "testing/gmock/include/gmock/gmock.h"
11 #include "testing/gtest/include/gtest/gtest.h"
14 using ::testing::AtLeast;
15 using ::testing::InvokeWithoutArgs;
16 using ::testing::Return;
17 using ::testing::SaveArg;
21 class MockVideoCaptureMessageFilter : public VideoCaptureMessageFilter {
23 MockVideoCaptureMessageFilter() : VideoCaptureMessageFilter() {}
25 // Filter implementation.
26 MOCK_METHOD1(Send, bool(IPC::Message* message));
29 virtual ~MockVideoCaptureMessageFilter() {}
32 DISALLOW_COPY_AND_ASSIGN(MockVideoCaptureMessageFilter);
35 class VideoCaptureImplTest : public ::testing::Test {
37 class MockVideoCaptureImpl : public VideoCaptureImpl {
39 MockVideoCaptureImpl(const media::VideoCaptureSessionId id,
40 VideoCaptureMessageFilter* filter)
41 : VideoCaptureImpl(id, filter) {
43 ~MockVideoCaptureImpl() override {}
45 // Override Send() to mimic device to send events.
46 void Send(IPC::Message* message) override {
49 // In this method, messages are sent to the according handlers as if
52 IPC_BEGIN_MESSAGE_MAP(MockVideoCaptureImpl, *message)
53 IPC_MESSAGE_HANDLER(VideoCaptureHostMsg_Start, DeviceStartCapture)
54 IPC_MESSAGE_HANDLER(VideoCaptureHostMsg_Pause, DevicePauseCapture)
55 IPC_MESSAGE_HANDLER(VideoCaptureHostMsg_Stop, DeviceStopCapture)
56 IPC_MESSAGE_HANDLER(VideoCaptureHostMsg_BufferReady,
57 DeviceReceiveEmptyBuffer)
58 IPC_MESSAGE_HANDLER(VideoCaptureHostMsg_GetDeviceSupportedFormats,
59 DeviceGetSupportedFormats)
60 IPC_MESSAGE_HANDLER(VideoCaptureHostMsg_GetDeviceFormatsInUse,
61 DeviceGetFormatsInUse)
62 IPC_MESSAGE_UNHANDLED(handled = false)
68 void DeviceStartCapture(int device_id,
69 media::VideoCaptureSessionId session_id,
70 const media::VideoCaptureParams& params) {
71 OnStateChanged(VIDEO_CAPTURE_STATE_STARTED);
72 capture_params_ = params;
75 void DevicePauseCapture(int device_id) {}
77 void DeviceStopCapture(int device_id) {
78 OnStateChanged(VIDEO_CAPTURE_STATE_STOPPED);
81 void DeviceReceiveEmptyBuffer(int device_id,
85 void DeviceGetSupportedFormats(int device_id,
86 media::VideoCaptureSessionId session_id) {
87 // When the mock message filter receives a request for the device
88 // supported formats, replies immediately with an empty format list.
89 OnDeviceSupportedFormatsEnumerated(
90 media::VideoCaptureFormats());
93 void DeviceGetFormatsInUse(int device_id,
94 media::VideoCaptureSessionId session_id) {
95 OnDeviceFormatsInUseReceived(media::VideoCaptureFormats());
98 void ReceiveStateChangeMessage(VideoCaptureState state) {
99 OnStateChanged(state);
102 const media::VideoCaptureParams& capture_params() const {
103 return capture_params_;
107 media::VideoCaptureParams capture_params_;
110 VideoCaptureImplTest() {
111 params_small_.requested_format = media::VideoCaptureFormat(
112 gfx::Size(176, 144), 30, media::PIXEL_FORMAT_I420);
114 params_large_.requested_format = media::VideoCaptureFormat(
115 gfx::Size(320, 240), 30, media::PIXEL_FORMAT_I420);
117 child_process_.reset(new ChildProcess());
119 message_filter_ = new MockVideoCaptureMessageFilter;
122 video_capture_impl_.reset(new MockVideoCaptureImpl(
123 session_id_, message_filter_.get()));
125 video_capture_impl_->device_id_ = 2;
128 virtual ~VideoCaptureImplTest() {
132 MOCK_METHOD3(OnFrameReady,
133 void(const scoped_refptr<media::VideoFrame>&,
134 const media::VideoCaptureFormat&,
135 const base::TimeTicks&));
136 MOCK_METHOD1(OnStateUpdate, void(VideoCaptureState));
137 MOCK_METHOD1(OnDeviceFormatsInUse,
138 void(const media::VideoCaptureFormats&));
139 MOCK_METHOD1(OnDeviceSupportedFormats,
140 void(const media::VideoCaptureFormats&));
143 video_capture_impl_->Init();
146 void StartCapture(int client_id,
147 const media::VideoCaptureParams& params) {
148 video_capture_impl_->StartCapture(
150 base::Bind(&VideoCaptureImplTest::OnStateUpdate,
151 base::Unretained(this)),
152 base::Bind(&VideoCaptureImplTest::OnFrameReady,
153 base::Unretained(this)));
156 void StopCapture(int client_id) {
157 video_capture_impl_->StopCapture(client_id);
161 video_capture_impl_->DeInit();
164 void GetDeviceSupportedFormats() {
165 const base::Callback<void(const media::VideoCaptureFormats&)>
166 callback = base::Bind(
167 &VideoCaptureImplTest::OnDeviceSupportedFormats,
168 base::Unretained(this));
169 video_capture_impl_->GetDeviceSupportedFormats(callback);
172 void GetDeviceFormatsInUse() {
173 const base::Callback<void(const media::VideoCaptureFormats&)>
174 callback = base::Bind(
175 &VideoCaptureImplTest::OnDeviceFormatsInUse,
176 base::Unretained(this));
177 video_capture_impl_->GetDeviceFormatsInUse(callback);
180 base::MessageLoop message_loop_;
181 scoped_ptr<ChildProcess> child_process_;
182 scoped_refptr<MockVideoCaptureMessageFilter> message_filter_;
183 media::VideoCaptureSessionId session_id_;
184 scoped_ptr<MockVideoCaptureImpl> video_capture_impl_;
185 media::VideoCaptureParams params_small_;
186 media::VideoCaptureParams params_large_;
189 DISALLOW_COPY_AND_ASSIGN(VideoCaptureImplTest);
192 TEST_F(VideoCaptureImplTest, Simple) {
193 // Execute SetCapture() and StopCapture() for one client.
194 EXPECT_CALL(*this, OnStateUpdate(VIDEO_CAPTURE_STATE_STARTED));
195 EXPECT_CALL(*this, OnStateUpdate(VIDEO_CAPTURE_STATE_STOPPED));
198 StartCapture(0, params_small_);
203 TEST_F(VideoCaptureImplTest, TwoClientsInSequence) {
204 EXPECT_CALL(*this, OnStateUpdate(VIDEO_CAPTURE_STATE_STARTED)).Times(2);
205 EXPECT_CALL(*this, OnStateUpdate(VIDEO_CAPTURE_STATE_STOPPED)).Times(2);
208 StartCapture(0, params_small_);
210 StartCapture(1, params_small_);
215 TEST_F(VideoCaptureImplTest, LargeAndSmall) {
216 EXPECT_CALL(*this, OnStateUpdate(VIDEO_CAPTURE_STATE_STARTED)).Times(2);
217 EXPECT_CALL(*this, OnStateUpdate(VIDEO_CAPTURE_STATE_STOPPED)).Times(2);
220 StartCapture(0, params_large_);
222 StartCapture(1, params_small_);
227 TEST_F(VideoCaptureImplTest, SmallAndLarge) {
228 EXPECT_CALL(*this, OnStateUpdate(VIDEO_CAPTURE_STATE_STARTED)).Times(2);
229 EXPECT_CALL(*this, OnStateUpdate(VIDEO_CAPTURE_STATE_STOPPED)).Times(2);
232 StartCapture(0, params_small_);
234 StartCapture(1, params_large_);
239 // Check that a request to GetDeviceSupportedFormats() ends up eventually in the
240 // provided callback.
241 TEST_F(VideoCaptureImplTest, GetDeviceFormats) {
242 EXPECT_CALL(*this, OnDeviceSupportedFormats(_));
245 GetDeviceSupportedFormats();
249 // Check that two requests to GetDeviceSupportedFormats() end up eventually
250 // calling the provided callbacks.
251 TEST_F(VideoCaptureImplTest, TwoClientsGetDeviceFormats) {
252 EXPECT_CALL(*this, OnDeviceSupportedFormats(_)).Times(2);
255 GetDeviceSupportedFormats();
256 GetDeviceSupportedFormats();
260 // Check that a request to GetDeviceFormatsInUse() ends up eventually in the
261 // provided callback.
262 TEST_F(VideoCaptureImplTest, GetDeviceFormatsInUse) {
263 EXPECT_CALL(*this, OnDeviceFormatsInUse(_));
266 GetDeviceFormatsInUse();
270 TEST_F(VideoCaptureImplTest, AlreadyStarted) {
271 EXPECT_CALL(*this, OnStateUpdate(VIDEO_CAPTURE_STATE_STARTED)).Times(2);
272 EXPECT_CALL(*this, OnStateUpdate(VIDEO_CAPTURE_STATE_STOPPED)).Times(2);
275 StartCapture(0, params_small_);
276 StartCapture(1, params_large_);
280 DCHECK(video_capture_impl_->capture_params().requested_format
282 params_small_.requested_format.frame_size);
285 TEST_F(VideoCaptureImplTest, EndedBeforeStop) {
286 EXPECT_CALL(*this, OnStateUpdate(VIDEO_CAPTURE_STATE_STARTED));
287 EXPECT_CALL(*this, OnStateUpdate(VIDEO_CAPTURE_STATE_STOPPED));
290 StartCapture(0, params_small_);
292 // Receive state change message from browser.
293 video_capture_impl_->ReceiveStateChangeMessage(VIDEO_CAPTURE_STATE_ENDED);
299 TEST_F(VideoCaptureImplTest, ErrorBeforeStop) {
300 EXPECT_CALL(*this, OnStateUpdate(VIDEO_CAPTURE_STATE_STARTED));
301 EXPECT_CALL(*this, OnStateUpdate(VIDEO_CAPTURE_STATE_ERROR));
304 StartCapture(0, params_small_);
306 // Receive state change message from browser.
307 video_capture_impl_->ReceiveStateChangeMessage(VIDEO_CAPTURE_STATE_ERROR);
313 } // namespace content