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Unified Diff: media/video/capture/video_capture_device_unittest.cc

Issue 24133002: Make VideoCaptureController single-threaded and not ref counted. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: More longwinded hobbledy-nobble Created 7 years, 3 months ago
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« media/video/capture/video_capture_device.h ('K') | « media/video/capture/video_capture_device_dummy.cc ('k') | media/video/capture/win/video_capture_device_mf_win.h » ('j') | no next file with comments »
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Index: media/video/capture/video_capture_device_unittest.cc
diff --git a/media/video/capture/video_capture_device_unittest.cc b/media/video/capture/video_capture_device_unittest.cc
index 5a19d272c93d3eef65707bf92b21173bcfc0b0e2..586060f169fdac71b838effc7e976607e8f528ae 100644
--- a/media/video/capture/video_capture_device_unittest.cc
+++ b/media/video/capture/video_capture_device_unittest.cc
@@ -2,8 +2,12 @@
// 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/bind_helpers.h"
#include "base/memory/scoped_ptr.h"
#include "base/message_loop/message_loop.h"
+#include "base/message_loop/message_loop_proxy.h"
+#include "base/run_loop.h"
#include "base/synchronization/waitable_event.h"
#include "base/test/test_timeouts.h"
#include "base/threading/thread.h"
@@ -65,8 +69,10 @@ class MockFrameObserver : public media::VideoCaptureDevice::EventHandler {
MOCK_METHOD1(OnFrameInfo, void(const VideoCaptureCapability&));
MOCK_METHOD1(OnFrameInfoChanged, void(const VideoCaptureCapability&));
- explicit MockFrameObserver(base::WaitableEvent* wait_event)
- : wait_event_(wait_event) {}
+ explicit MockFrameObserver(
+ base::Closure frame_cb)
+ : main_thread_(base::MessageLoopProxy::current()),
+ frame_cb_(frame_cb) {}
virtual void OnError() OVERRIDE {
OnErr();
@@ -79,45 +85,40 @@ class MockFrameObserver : public media::VideoCaptureDevice::EventHandler {
int rotation,
bool flip_vert,
bool flip_horiz) OVERRIDE {
- wait_event_->Signal();
+ main_thread_->PostTask(FROM_HERE, frame_cb_);
}
virtual void OnIncomingCapturedVideoFrame(
const scoped_refptr<media::VideoFrame>& frame,
base::Time timestamp) OVERRIDE {
- wait_event_->Signal();
+ main_thread_->PostTask(FROM_HERE, frame_cb_);
}
private:
- base::WaitableEvent* wait_event_;
+ scoped_refptr<base::MessageLoopProxy> main_thread_;
+ base::Closure frame_cb_;
};
class VideoCaptureDeviceTest : public testing::Test {
- public:
- VideoCaptureDeviceTest(): wait_event_(false, false) { }
-
- void PostQuitTask() {
- loop_->PostTask(FROM_HERE, base::MessageLoop::QuitClosure());
- loop_->Run();
- }
-
protected:
+ typedef media::VideoCaptureDevice::EventHandler EventHandler;
+
virtual void SetUp() {
- frame_observer_.reset(new MockFrameObserver(&wait_event_));
loop_.reset(new base::MessageLoopForUI());
+ frame_observer_.reset(new MockFrameObserver(loop_->QuitClosure()));
#if defined(OS_ANDROID)
media::VideoCaptureDeviceAndroid::RegisterVideoCaptureDevice(
base::android::AttachCurrentThread());
#endif
}
- virtual void TearDown() {
+ void WaitForCapturedFrame() {
+ loop_->Run();
}
#if defined(OS_WIN)
base::win::ScopedCOMInitializer initialize_com_;
#endif
- base::WaitableEvent wait_event_;
scoped_ptr<MockFrameObserver> frame_observer_;
VideoCaptureDevice::Names names_;
scoped_ptr<base::MessageLoop> loop_;
@@ -163,15 +164,13 @@ TEST_F(VideoCaptureDeviceTest, CaptureVGA) {
0,
false,
ConstantResolutionVideoCaptureDevice);
- device->Allocate(capture_format, frame_observer_.get());
- device->Start();
+ device->AllocateAndStart(capture_format,
+ frame_observer_.PassAs<EventHandler>());
// Get captured video frames.
- PostQuitTask();
- EXPECT_TRUE(wait_event_.TimedWait(TestTimeouts::action_max_timeout()));
+ loop_->Run();
EXPECT_EQ(rx_capability.width, 640);
EXPECT_EQ(rx_capability.height, 480);
- device->Stop();
- device->DeAllocate();
+ device->StopAndDeAllocate();
}
TEST_F(VideoCaptureDeviceTest, Capture720p) {
@@ -201,13 +200,11 @@ TEST_F(VideoCaptureDeviceTest, Capture720p) {
0,
false,
ConstantResolutionVideoCaptureDevice);
- device->Allocate(capture_format, frame_observer_.get());
- device->Start();
+ device->AllocateAndStart(capture_format,
+ frame_observer_.PassAs<EventHandler>());
// Get captured video frames.
- PostQuitTask();
- EXPECT_TRUE(wait_event_.TimedWait(TestTimeouts::action_max_timeout()));
- device->Stop();
- device->DeAllocate();
+ WaitForCapturedFrame();
+ device->StopAndDeAllocate();
}
TEST_F(VideoCaptureDeviceTest, MAYBE_AllocateBadSize) {
@@ -235,8 +232,9 @@ TEST_F(VideoCaptureDeviceTest, MAYBE_AllocateBadSize) {
0,
false,
ConstantResolutionVideoCaptureDevice);
- device->Allocate(capture_format, frame_observer_.get());
- device->DeAllocate();
+ device->AllocateAndStart(capture_format,
+ frame_observer_.PassAs<EventHandler>());
+ device->StopAndDeAllocate();
EXPECT_EQ(rx_capability.width, 640);
EXPECT_EQ(rx_capability.height, 480);
}
@@ -247,58 +245,67 @@ TEST_F(VideoCaptureDeviceTest, ReAllocateCamera) {
DVLOG(1) << "No camera available. Exiting test.";
return;
}
+
+ // First, do a number of very fast device start/stops.
+ for (int i = 0; i <= 5; i++) {
+ scoped_ptr<MockFrameObserver> frame_observer(
+ new MockFrameObserver(base::Bind(&base::DoNothing)));
+ scoped_ptr<VideoCaptureDevice> device(
+ VideoCaptureDevice::Create(names_.front()));
+ gfx::Size resolution;
+ if (i % 2) {
+ resolution = gfx::Size(640, 480);
+ } else {
+ resolution = gfx::Size(1280, 1024);
+ }
+ VideoCaptureCapability requested_format(
+ resolution.width(),
+ resolution.height(),
+ 30,
+ PIXEL_FORMAT_I420,
+ 0,
+ false,
+ ConstantResolutionVideoCaptureDevice);
+
+ // The device (if it is an async implementation) may or may not get as far
+ // as the OnFrameInfo() step; we're intentionally not going to wait for it
+ // to get that far.
+ ON_CALL(*frame_observer, OnFrameInfo(_));
+ device->AllocateAndStart(requested_format,
+ frame_observer.PassAs<EventHandler>());
+ device->StopAndDeAllocate();
+ }
+
+ // Finally, do a device start and wait for it to finish.
+ gfx::Size resolution;
+ VideoCaptureCapability requested_format(
+ 320,
+ 240,
+ 30,
+ PIXEL_FORMAT_I420,
+ 0,
+ false,
+ ConstantResolutionVideoCaptureDevice);
+
+ base::RunLoop run_loop;
+ scoped_ptr<MockFrameObserver> frame_observer(
+ new MockFrameObserver(base::Bind(run_loop.QuitClosure())));
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.
- VideoCaptureCapability rx_capability_1;
- VideoCaptureCapability rx_capability_2;
- VideoCaptureCapability capture_format_1(640,
- 480,
- 30,
- PIXEL_FORMAT_I420,
- 0,
- false,
- ConstantResolutionVideoCaptureDevice);
- VideoCaptureCapability capture_format_2(1280,
- 1024,
- 30,
- PIXEL_FORMAT_I420,
- 0,
- false,
- ConstantResolutionVideoCaptureDevice);
- VideoCaptureCapability capture_format_3(320,
- 240,
- 30,
- PIXEL_FORMAT_I420,
- 0,
- false,
- ConstantResolutionVideoCaptureDevice);
- EXPECT_CALL(*frame_observer_, OnFrameInfo(_))
- .WillOnce(SaveArg<0>(&rx_capability_1));
- device->Allocate(capture_format_1, frame_observer_.get());
- device->Start();
- // Nothing shall happen.
- device->Allocate(capture_format_2, frame_observer_.get());
- device->DeAllocate();
- // Allocate new size 320, 240
- EXPECT_CALL(*frame_observer_, OnFrameInfo(_))
- .WillOnce(SaveArg<0>(&rx_capability_2));
- device->Allocate(capture_format_3, frame_observer_.get());
-
- device->Start();
- // Get captured video frames.
- PostQuitTask();
- EXPECT_TRUE(wait_event_.TimedWait(TestTimeouts::action_max_timeout()));
- EXPECT_EQ(rx_capability_1.width, 640);
- EXPECT_EQ(rx_capability_1.height, 480);
- EXPECT_EQ(rx_capability_2.width, 320);
- EXPECT_EQ(rx_capability_2.height, 240);
- device->Stop();
- device->DeAllocate();
+ // The device (if it is an async implementation) may or may not get as far
+ // as the OnFrameInfo() step; we're intentionally not going to wait for it
+ // to get that far.
+ VideoCaptureCapability final_format;
+ EXPECT_CALL(*frame_observer, OnFrameInfo(_))
+ .Times(1).WillOnce(SaveArg<0>(&final_format));
+ device->AllocateAndStart(requested_format,
+ frame_observer.PassAs<EventHandler>());
+ run_loop.Run(); // Waits for a frame.
+ device->StopAndDeAllocate();
+ device.reset();
+ EXPECT_EQ(final_format.width, 320);
+ EXPECT_EQ(final_format.height, 240);
}
TEST_F(VideoCaptureDeviceTest, DeAllocateCameraWhileRunning) {
@@ -325,16 +332,14 @@ TEST_F(VideoCaptureDeviceTest, DeAllocateCameraWhileRunning) {
0,
false,
ConstantResolutionVideoCaptureDevice);
- device->Allocate(capture_format, frame_observer_.get());
-
- device->Start();
+ device->AllocateAndStart(capture_format,
+ frame_observer_.PassAs<EventHandler>());
// Get captured video frames.
- PostQuitTask();
- EXPECT_TRUE(wait_event_.TimedWait(TestTimeouts::action_max_timeout()));
+ WaitForCapturedFrame();
EXPECT_EQ(rx_capability.width, 640);
EXPECT_EQ(rx_capability.height, 480);
EXPECT_EQ(rx_capability.frame_rate, 30);
- device->DeAllocate();
+ device->StopAndDeAllocate();
}
TEST_F(VideoCaptureDeviceTest, FakeCapture) {
@@ -363,15 +368,13 @@ TEST_F(VideoCaptureDeviceTest, FakeCapture) {
0,
false,
ConstantResolutionVideoCaptureDevice);
- device->Allocate(capture_format, frame_observer_.get());
-
- device->Start();
- EXPECT_TRUE(wait_event_.TimedWait(TestTimeouts::action_max_timeout()));
+ device->AllocateAndStart(capture_format,
+ frame_observer_.PassAs<EventHandler>());
+ WaitForCapturedFrame();
EXPECT_EQ(rx_capability.width, 640);
EXPECT_EQ(rx_capability.height, 480);
EXPECT_EQ(rx_capability.frame_rate, 30);
- device->Stop();
- device->DeAllocate();
+ device->StopAndDeAllocate();
}
// Start the camera in 720p to capture MJPEG instead of a raw format.
@@ -400,14 +403,12 @@ TEST_F(VideoCaptureDeviceTest, MAYBE_CaptureMjpeg) {
0,
false,
ConstantResolutionVideoCaptureDevice);
- device->Allocate(capture_format, frame_observer_.get());
-
- device->Start();
+ device->AllocateAndStart(capture_format,
+ frame_observer_.PassAs<EventHandler>());
// Get captured video frames.
- PostQuitTask();
- EXPECT_TRUE(wait_event_.TimedWait(TestTimeouts::action_max_timeout()));
+ WaitForCapturedFrame();
EXPECT_EQ(rx_capability.color, PIXEL_FORMAT_MJPEG);
- device->DeAllocate();
+ device->StopAndDeAllocate();
}
TEST_F(VideoCaptureDeviceTest, FakeCaptureVariableResolution) {
@@ -432,22 +433,21 @@ TEST_F(VideoCaptureDeviceTest, FakeCaptureVariableResolution) {
EXPECT_CALL(*frame_observer_, OnErr())
.Times(0);
+ int action_count = 200;
+ EXPECT_CALL(*frame_observer_, OnFrameInfoChanged(_))
+ .Times(AtLeast(action_count / 30));
- device->Allocate(capture_format, frame_observer_.get());
+ device->AllocateAndStart(capture_format,
+ frame_observer_.PassAs<EventHandler>());
// The amount of times the OnFrameInfoChanged gets called depends on how often
// FakeDevice is supposed to change and what is its actual frame rate.
// We set TimeWait to 200 action timeouts and this should be enough for at
// least action_count/kFakeCaptureCapabilityChangePeriod calls.
- int action_count = 200;
- EXPECT_CALL(*frame_observer_, OnFrameInfoChanged(_))
- .Times(AtLeast(action_count / 30));
- device->Start();
for (int i = 0; i < action_count; ++i) {
- EXPECT_TRUE(wait_event_.TimedWait(TestTimeouts::action_timeout()));
+ WaitForCapturedFrame();
}
- device->Stop();
- device->DeAllocate();
+ device->StopAndDeAllocate();
}
}; // namespace media
« media/video/capture/video_capture_device.h ('K') | « media/video/capture/video_capture_device_dummy.cc ('k') | media/video/capture/win/video_capture_device_mf_win.h » ('j') | no next file with comments »

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