diff options
Diffstat (limited to 'chromium/media/video/capture/fake_video_capture_device_unittest.cc')
-rw-r--r-- | chromium/media/video/capture/fake_video_capture_device_unittest.cc | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/chromium/media/video/capture/fake_video_capture_device_unittest.cc b/chromium/media/video/capture/fake_video_capture_device_unittest.cc new file mode 100644 index 00000000000..a2f0d165c0a --- /dev/null +++ b/chromium/media/video/capture/fake_video_capture_device_unittest.cc @@ -0,0 +1,208 @@ +// 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 "base/bind.h" +#include "base/memory/scoped_ptr.h" +#include "base/run_loop.h" +#include "base/test/test_timeouts.h" +#include "base/threading/thread.h" +#include "media/video/capture/fake_video_capture_device.h" +#include "media/video/capture/fake_video_capture_device_factory.h" +#include "media/video/capture/video_capture_device.h" +#include "media/video/capture/video_capture_types.h" +#include "testing/gmock/include/gmock/gmock.h" +#include "testing/gtest/include/gtest/gtest.h" + +using ::testing::_; +using ::testing::SaveArg; + +namespace media { + +class MockClient : public media::VideoCaptureDevice::Client { + public: + MOCK_METHOD2(ReserveOutputBuffer, + scoped_refptr<Buffer>(media::VideoFrame::Format format, + const gfx::Size& dimensions)); + MOCK_METHOD0(OnErr, void()); + + explicit MockClient(base::Callback<void(const VideoCaptureFormat&)> frame_cb) + : main_thread_(base::MessageLoopProxy::current()), frame_cb_(frame_cb) {} + + virtual void OnError(const std::string& error_message) OVERRIDE { + OnErr(); + } + + virtual void OnIncomingCapturedData(const uint8* data, + int length, + const VideoCaptureFormat& format, + int rotation, + base::TimeTicks timestamp) OVERRIDE { + main_thread_->PostTask(FROM_HERE, base::Bind(frame_cb_, format)); + } + + virtual void OnIncomingCapturedVideoFrame( + const scoped_refptr<Buffer>& buffer, + const media::VideoCaptureFormat& buffer_format, + const scoped_refptr<media::VideoFrame>& frame, + base::TimeTicks timestamp) OVERRIDE { + NOTREACHED(); + } + + private: + scoped_refptr<base::SingleThreadTaskRunner> main_thread_; + base::Callback<void(const VideoCaptureFormat&)> frame_cb_; +}; + +class DeviceEnumerationListener : + public base::RefCounted<DeviceEnumerationListener> { + public: + MOCK_METHOD1(OnEnumeratedDevicesCallbackPtr, + void(media::VideoCaptureDevice::Names* names)); + // GMock doesn't support move-only arguments, so we use this forward method. + void OnEnumeratedDevicesCallback( + scoped_ptr<media::VideoCaptureDevice::Names> names) { + OnEnumeratedDevicesCallbackPtr(names.release()); + } + + private: + friend class base::RefCounted<DeviceEnumerationListener>; + virtual ~DeviceEnumerationListener() {} +}; + +class FakeVideoCaptureDeviceTest : public testing::Test { + protected: + typedef media::VideoCaptureDevice::Client Client; + + FakeVideoCaptureDeviceTest() + : loop_(new base::MessageLoop()), + client_(new MockClient( + base::Bind(&FakeVideoCaptureDeviceTest::OnFrameCaptured, + base::Unretained(this)))), + video_capture_device_factory_(new FakeVideoCaptureDeviceFactory()) { + device_enumeration_listener_ = new DeviceEnumerationListener(); + } + + virtual void SetUp() { + } + + void OnFrameCaptured(const VideoCaptureFormat& format) { + last_format_ = format; + run_loop_->QuitClosure().Run(); + } + + void WaitForCapturedFrame() { + run_loop_.reset(new base::RunLoop()); + run_loop_->Run(); + } + + scoped_ptr<media::VideoCaptureDevice::Names> EnumerateDevices() { + media::VideoCaptureDevice::Names* names; + EXPECT_CALL(*device_enumeration_listener_, + OnEnumeratedDevicesCallbackPtr(_)).WillOnce(SaveArg<0>(&names)); + + video_capture_device_factory_->EnumerateDeviceNames( + base::Bind(&DeviceEnumerationListener::OnEnumeratedDevicesCallback, + device_enumeration_listener_)); + base::MessageLoop::current()->RunUntilIdle(); + return scoped_ptr<media::VideoCaptureDevice::Names>(names); + } + + const VideoCaptureFormat& last_format() const { return last_format_; } + + VideoCaptureDevice::Names names_; + scoped_ptr<base::MessageLoop> loop_; + scoped_ptr<base::RunLoop> run_loop_; + scoped_ptr<MockClient> client_; + scoped_refptr<DeviceEnumerationListener> device_enumeration_listener_; + VideoCaptureFormat last_format_; + scoped_ptr<VideoCaptureDeviceFactory> video_capture_device_factory_; +}; + +TEST_F(FakeVideoCaptureDeviceTest, Capture) { + scoped_ptr<media::VideoCaptureDevice::Names> names(EnumerateDevices()); + + ASSERT_GT(static_cast<int>(names->size()), 0); + + scoped_ptr<VideoCaptureDevice> device( + video_capture_device_factory_->Create(names->front())); + ASSERT_TRUE(device); + + EXPECT_CALL(*client_, OnErr()).Times(0); + + VideoCaptureParams capture_params; + capture_params.requested_format.frame_size.SetSize(640, 480); + capture_params.requested_format.frame_rate = 30; + capture_params.requested_format.pixel_format = PIXEL_FORMAT_I420; + capture_params.allow_resolution_change = false; + device->AllocateAndStart(capture_params, client_.PassAs<Client>()); + WaitForCapturedFrame(); + EXPECT_EQ(last_format().frame_size.width(), 640); + EXPECT_EQ(last_format().frame_size.height(), 480); + EXPECT_EQ(last_format().frame_rate, 30); + device->StopAndDeAllocate(); +} + +TEST_F(FakeVideoCaptureDeviceTest, GetDeviceSupportedFormats) { + scoped_ptr<VideoCaptureDevice::Names> names(EnumerateDevices()); + + VideoCaptureFormats supported_formats; + VideoCaptureDevice::Names::iterator names_iterator; + + for (names_iterator = names->begin(); names_iterator != names->end(); + ++names_iterator) { + video_capture_device_factory_->GetDeviceSupportedFormats( + *names_iterator, &supported_formats); + EXPECT_EQ(supported_formats.size(), 3u); + EXPECT_EQ(supported_formats[0].frame_size.width(), 320); + EXPECT_EQ(supported_formats[0].frame_size.height(), 240); + EXPECT_EQ(supported_formats[0].pixel_format, media::PIXEL_FORMAT_I420); + EXPECT_GE(supported_formats[0].frame_rate, 20); + EXPECT_EQ(supported_formats[1].frame_size.width(), 640); + EXPECT_EQ(supported_formats[1].frame_size.height(), 480); + EXPECT_EQ(supported_formats[1].pixel_format, media::PIXEL_FORMAT_I420); + EXPECT_GE(supported_formats[1].frame_rate, 20); + EXPECT_EQ(supported_formats[2].frame_size.width(), 1280); + EXPECT_EQ(supported_formats[2].frame_size.height(), 720); + EXPECT_EQ(supported_formats[2].pixel_format, media::PIXEL_FORMAT_I420); + EXPECT_GE(supported_formats[2].frame_rate, 20); + } +} + +TEST_F(FakeVideoCaptureDeviceTest, CaptureVariableResolution) { + scoped_ptr<VideoCaptureDevice::Names> names(EnumerateDevices()); + + VideoCaptureParams capture_params; + capture_params.requested_format.frame_size.SetSize(640, 480); + capture_params.requested_format.frame_rate = 30; + capture_params.requested_format.pixel_format = PIXEL_FORMAT_I420; + capture_params.allow_resolution_change = true; + + ASSERT_GT(static_cast<int>(names->size()), 0); + + scoped_ptr<VideoCaptureDevice> device( + video_capture_device_factory_->Create(names->front())); + ASSERT_TRUE(device); + + // Configure the FakeVideoCaptureDevice to use all its formats as roster. + VideoCaptureFormats formats; + video_capture_device_factory_->GetDeviceSupportedFormats(names->front(), + &formats); + static_cast<FakeVideoCaptureDevice*>(device.get())-> + PopulateVariableFormatsRoster(formats); + + EXPECT_CALL(*client_, OnErr()) + .Times(0); + int action_count = 200; + + device->AllocateAndStart(capture_params, client_.PassAs<Client>()); + + // We set TimeWait to 200 action timeouts and this should be enough for at + // least action_count/kFakeCaptureCapabilityChangePeriod calls. + for (int i = 0; i < action_count; ++i) { + WaitForCapturedFrame(); + } + device->StopAndDeAllocate(); +} + +}; // namespace media |