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// Copyright (c) 2012 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/memory/scoped_ptr.h"
#include "base/message_loop.h"
#include "base/synchronization/waitable_event.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/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"
#if defined(OS_MACOSX)
// Mac/QTKit will always give you the size you ask for and this case will fail.
#define MAYBE_AllocateBadSize DISABLED_AllocateBadSize
// We will always get ARGB from the Mac/QTKit implementation.
#define MAYBE_MJPEG DISABLED_CaptureMjpeg
#elif defined(OS_WINDOWS)
#define MAYBE_AllocateBadSize AllocateBadSizei
// Windows currently uses DirectShow to convert from MJPEG and a raw format is
// always delivered.
#define MAYBE_MJPEG DISABLED_CaptureMjpeg
#else
#define MAYBE_AllocateBadSize AllocateBadSize
#define MAYBE_MJPEG CaptureMjpeg
#endif
using ::testing::_;
using ::testing::AnyNumber;
using ::testing::Return;
using ::testing::AtLeast;
namespace media {
class MockFrameObserver : public media::VideoCaptureDevice::EventHandler {
public:
MOCK_METHOD0(OnErr, void());
MOCK_METHOD4(OnFrameInfo, void(int width, int height, int frame_rate,
VideoCaptureCapability::Format format));
explicit MockFrameObserver(base::WaitableEvent* wait_event)
: wait_event_(wait_event) {}
virtual void OnError() OVERRIDE {
OnErr();
}
virtual void OnFrameInfo(
const VideoCaptureCapability& info) OVERRIDE {
OnFrameInfo(info.width, info.height, info.frame_rate, info.color);
}
virtual void OnIncomingCapturedFrame(const uint8* data, int length,
base::Time timestamp) OVERRIDE {
wait_event_->Signal();
}
private:
base::WaitableEvent* wait_event_;
};
class VideoCaptureDeviceTest : public testing::Test {
public:
VideoCaptureDeviceTest(): wait_event_(false, false) { }
void PostQuitTask() {
loop_->PostTask(FROM_HERE, MessageLoop::QuitClosure());
loop_->Run();
}
protected:
virtual void SetUp() {
frame_observer_.reset(new MockFrameObserver(&wait_event_));
loop_.reset(new MessageLoopForUI());
}
virtual void TearDown() {
}
base::WaitableEvent wait_event_;
scoped_ptr<MockFrameObserver> frame_observer_;
VideoCaptureDevice::Names names_;
scoped_ptr<MessageLoop> loop_;
};
TEST_F(VideoCaptureDeviceTest, OpenInvalidDevice) {
VideoCaptureDevice::Name device_name;
device_name.device_name = "jibberish";
device_name.unique_id = "jibberish";
VideoCaptureDevice* device = VideoCaptureDevice::Create(device_name);
EXPECT_TRUE(device == NULL);
}
TEST_F(VideoCaptureDeviceTest, CaptureVGA) {
VideoCaptureDevice::GetDeviceNames(&names_);
if (!names_.size()) {
DVLOG(1) << "No camera available. Exiting test.";
return;
}
scoped_ptr<VideoCaptureDevice> device(
VideoCaptureDevice::Create(names_.front()));
ASSERT_FALSE(device.get() == NULL);
// Get info about the new resolution.
EXPECT_CALL(*frame_observer_, OnFrameInfo(640, 480, 30, _))
.Times(1);
EXPECT_CALL(*frame_observer_, OnErr())
.Times(0);
device->Allocate(640, 480, 30, frame_observer_.get());
device->Start();
// Get captured video frames.
PostQuitTask();
EXPECT_TRUE(wait_event_.TimedWait(TestTimeouts::action_max_timeout()));
device->Stop();
device->DeAllocate();
}
TEST_F(VideoCaptureDeviceTest, Capture720p) {
VideoCaptureDevice::GetDeviceNames(&names_);
if (!names_.size()) {
DVLOG(1) << "No camera available. Exiting test.";
return;
}
scoped_ptr<VideoCaptureDevice> device(
VideoCaptureDevice::Create(names_.front()));
ASSERT_FALSE(device.get() == NULL);
// Get info about the new resolution.
// We don't care about the resulting resolution or frame rate as it might
// be different from one machine to the next.
EXPECT_CALL(*frame_observer_, OnFrameInfo(_, _, _, _))
.Times(1);
EXPECT_CALL(*frame_observer_, OnErr())
.Times(0);
device->Allocate(1280, 720, 30, frame_observer_.get());
device->Start();
// Get captured video frames.
PostQuitTask();
EXPECT_TRUE(wait_event_.TimedWait(TestTimeouts::action_max_timeout()));
device->Stop();
device->DeAllocate();
}
TEST_F(VideoCaptureDeviceTest, MAYBE_AllocateBadSize) {
VideoCaptureDevice::GetDeviceNames(&names_);
if (!names_.size()) {
DVLOG(1) << "No camera available. Exiting test.";
return;
}
scoped_ptr<VideoCaptureDevice> device(
VideoCaptureDevice::Create(names_.front()));
ASSERT_TRUE(device.get() != NULL);
EXPECT_CALL(*frame_observer_, OnErr())
.Times(0);
// get info about the new resolution
EXPECT_CALL(*frame_observer_, OnFrameInfo(640, 480 , _, _))
.Times(AtLeast(1));
device->Allocate(637, 472, 35, frame_observer_.get());
device->DeAllocate();
}
TEST_F(VideoCaptureDeviceTest, ReAllocateCamera) {
VideoCaptureDevice::GetDeviceNames(&names_);
if (!names_.size()) {
DVLOG(1) << "No camera available. Exiting test.";
return;
}
scoped_ptr<VideoCaptureDevice> device(
VideoCaptureDevice::Create(names_.front()));
ASSERT_TRUE(device.get() != NULL);
EXPECT_CALL(*frame_observer_, OnErr())
.Times(0);
// get info about the new resolution
EXPECT_CALL(*frame_observer_, OnFrameInfo(640, 480, _, _));
EXPECT_CALL(*frame_observer_, OnFrameInfo(320, 240, _, _));
device->Allocate(640, 480, 30, frame_observer_.get());
device->Start();
// Nothing shall happen.
device->Allocate(1280, 1024, 30, frame_observer_.get());
device->DeAllocate();
// Allocate new size 320, 240
device->Allocate(320, 240, 30, frame_observer_.get());
device->Start();
// Get captured video frames.
PostQuitTask();
EXPECT_TRUE(wait_event_.TimedWait(TestTimeouts::action_max_timeout()));
device->Stop();
device->DeAllocate();
}
TEST_F(VideoCaptureDeviceTest, DeAllocateCameraWhileRunning) {
VideoCaptureDevice::GetDeviceNames(&names_);
if (!names_.size()) {
DVLOG(1) << "No camera available. Exiting test.";
return;
}
scoped_ptr<VideoCaptureDevice> device(
VideoCaptureDevice::Create(names_.front()));
ASSERT_TRUE(device.get() != NULL);
EXPECT_CALL(*frame_observer_, OnErr())
.Times(0);
// Get info about the new resolution.
EXPECT_CALL(*frame_observer_, OnFrameInfo(640, 480, 30, _));
device->Allocate(640, 480, 30, frame_observer_.get());
device->Start();
// Get captured video frames.
PostQuitTask();
EXPECT_TRUE(wait_event_.TimedWait(TestTimeouts::action_max_timeout()));
device->DeAllocate();
}
TEST_F(VideoCaptureDeviceTest, TestFakeCapture) {
VideoCaptureDevice::Names names;
FakeVideoCaptureDevice::GetDeviceNames(&names);
ASSERT_GT(static_cast<int>(names.size()), 0);
scoped_ptr<VideoCaptureDevice> device(
FakeVideoCaptureDevice::Create(names.front()));
ASSERT_TRUE(device.get() != NULL);
// Get info about the new resolution.
EXPECT_CALL(*frame_observer_, OnFrameInfo(640, 480, 30, _))
.Times(1);
EXPECT_CALL(*frame_observer_, OnErr())
.Times(0);
device->Allocate(640, 480, 30, frame_observer_.get());
device->Start();
EXPECT_TRUE(wait_event_.TimedWait(TestTimeouts::action_max_timeout()));
device->Stop();
device->DeAllocate();
}
// Start the camera in 720p to capture MJPEG instead of a raw format.
TEST_F(VideoCaptureDeviceTest, CaptureMjpeg) {
VideoCaptureDevice::GetDeviceNames(&names_);
if (!names_.size()) {
DVLOG(1) << "No camera available. Exiting test.";
return;
}
scoped_ptr<VideoCaptureDevice> device(
VideoCaptureDevice::Create(names_.front()));
ASSERT_TRUE(device.get() != NULL);
EXPECT_CALL(*frame_observer_, OnErr())
.Times(0);
// Verify we get MJPEG from the device. Not all devices can capture 1280x720
// @ 30 fps, so we don't care about the exact resolution we get.
EXPECT_CALL(*frame_observer_,
OnFrameInfo(_, _, _, VideoCaptureCapability::kMJPEG));
device->Allocate(1280, 720, 30, frame_observer_.get());
device->Start();
// Get captured video frames.
PostQuitTask();
EXPECT_TRUE(wait_event_.TimedWait(TestTimeouts::action_max_timeout()));
device->DeAllocate();
}
}; // namespace media
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