Mac Video Capture Device: split VCD into VCD and Factory.

media/video/capture/fake_video_capture_device_unittest.cc

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// 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/bind_helpers.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/run_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/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"
 
-#if defined(OS_WIN)
-#include "base/win/scoped_com_initializer.h"
-#include "media/video/capture/win/video_capture_device_mf_win.h"
-#endif
-
-#if defined(OS_ANDROID)
-#include "base/android/jni_android.h"
-#include "media/video/capture/android/video_capture_device_android.h"
-#endif
-
-#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 YUYV from the Mac QTKit/AVFoundation implementations.
-#define MAYBE_CaptureMjpeg DISABLED_CaptureMjpeg
-#elif defined(OS_WIN)
-#define MAYBE_AllocateBadSize AllocateBadSize
-// Windows currently uses DirectShow to convert from MJPEG and a raw format is
-// always delivered.
-#define MAYBE_CaptureMjpeg DISABLED_CaptureMjpeg
-#elif defined(OS_ANDROID)
-// TODO(wjia): enable those tests on Android.
-// On Android, native camera (JAVA) delivers frames on UI thread which is the
-// main thread for tests. This results in no frame received by
-// VideoCaptureAndroid.
-#define CaptureVGA DISABLED_CaptureVGA
-#define Capture720p DISABLED_Capture720p
-#define MAYBE_AllocateBadSize DISABLED_AllocateBadSize
-#define ReAllocateCamera DISABLED_ReAllocateCamera
-#define DeAllocateCameraWhileRunning DISABLED_DeAllocateCameraWhileRunning
-#define DeAllocateCameraWhileRunning DISABLED_DeAllocateCameraWhileRunning
-#define MAYBE_CaptureMjpeg DISABLED_CaptureMjpeg
-#else
-#define MAYBE_AllocateBadSize AllocateBadSize
-#define MAYBE_CaptureMjpeg CaptureMjpeg
-#endif
-
 using ::testing::_;
-using ::testing::AnyNumber;
-using ::testing::Return;
-using ::testing::AtLeast;
 
 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());
 
@@ skipping 18 matching lines @@
       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 VideoCaptureDeviceTest : public testing::Test {
+class FakeVideoCaptureDeviceTest : public testing::Test {
  protected:
   typedef media::VideoCaptureDevice::Client Client;
 
-  VideoCaptureDeviceTest()
+  FakeVideoCaptureDeviceTest()
       : loop_(new base::MessageLoop()),
-        client_(
-            new MockClient(base::Bind(&VideoCaptureDeviceTest::OnFrameCaptured,
-                                      base::Unretained(this)))),
+        client_(new MockClient(
+            base::Bind(&FakeVideoCaptureDeviceTest::OnFrameCaptured,
+                       base::Unretained(this)))),
         video_capture_device_factory_(new FakeVideoCaptureDeviceFactory()) {}
 
   virtual void SetUp() {
-#if defined(OS_ANDROID)
-    media::VideoCaptureDeviceAndroid::RegisterVideoCaptureDevice(
-        base::android::AttachCurrentThread());
-#endif
-  }
-
-  void ResetWithNewClient() {
-    client_.reset(new MockClient(base::Bind(
-        &VideoCaptureDeviceTest::OnFrameCaptured, base::Unretained(this))));
   }
 
   void OnFrameCaptured(const VideoCaptureFormat& format) {
     last_format_ = format;
     run_loop_->QuitClosure().Run();
   }
 
   void WaitForCapturedFrame() {
     run_loop_.reset(new base::RunLoop());
     run_loop_->Run();
   }
 
   const VideoCaptureFormat& last_format() const { return last_format_; }
 
-  scoped_ptr<VideoCaptureDevice::Name> GetFirstDeviceNameSupportingPixelFormat(
-      const VideoPixelFormat& pixel_format) {
-    VideoCaptureDevice::GetDeviceNames(&names_);
-    if (!names_.size()) {
-      DVLOG(1) << "No camera available.";
-      return scoped_ptr<VideoCaptureDevice::Name>();
-    }
-    VideoCaptureDevice::Names::iterator names_iterator;
-    for (names_iterator = names_.begin(); names_iterator != names_.end();
-         ++names_iterator) {
-      VideoCaptureFormats supported_formats;
-      VideoCaptureDevice::GetDeviceSupportedFormats(*names_iterator,
-                                                    &supported_formats);
-      VideoCaptureFormats::iterator formats_iterator;
-      for (formats_iterator = supported_formats.begin();
-           formats_iterator != supported_formats.end(); ++formats_iterator) {
-        if (formats_iterator->pixel_format == pixel_format) {
-          return scoped_ptr<VideoCaptureDevice::Name>(
-              new VideoCaptureDevice::Name(*names_iterator));
-        }
-      }
-    }
-    DVLOG(1) << "No camera can capture the format: " << pixel_format;
-    return scoped_ptr<VideoCaptureDevice::Name>();
-  }
-
-#if defined(OS_WIN)
-  base::win::ScopedCOMInitializer initialize_com_;
-#endif
   VideoCaptureDevice::Names names_;
   scoped_ptr<base::MessageLoop> loop_;
   scoped_ptr<base::RunLoop> run_loop_;
   scoped_ptr<MockClient> client_;
   VideoCaptureFormat last_format_;
   scoped_ptr<VideoCaptureDeviceFactory> video_capture_device_factory_;
 };
 
-TEST_F(VideoCaptureDeviceTest, OpenInvalidDevice) {
-#if defined(OS_WIN)
-  VideoCaptureDevice::Name::CaptureApiType api_type =
-      VideoCaptureDeviceMFWin::PlatformSupported()
-          ? VideoCaptureDevice::Name::MEDIA_FOUNDATION
-          : VideoCaptureDevice::Name::DIRECT_SHOW;
-  VideoCaptureDevice::Name device_name("jibberish", "jibberish", api_type);
-#else
-  VideoCaptureDevice::Name device_name("jibberish", "jibberish");
-#endif
-  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_TRUE(device);
-  DVLOG(1) << names_.front().id();
-
-  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>());
-  // Get captured video frames.
-  WaitForCapturedFrame();
-  EXPECT_EQ(last_format().frame_size.width(), 640);
-  EXPECT_EQ(last_format().frame_size.height(), 480);
-  device->StopAndDeAllocate();
-}
-
-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_TRUE(device);
-
-  EXPECT_CALL(*client_, OnErr())
-      .Times(0);
-
-  VideoCaptureParams capture_params;
-  capture_params.requested_format.frame_size.SetSize(1280, 720);
-  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>());
-  // Get captured video frames.
-  WaitForCapturedFrame();
-  device->StopAndDeAllocate();
-}
-
-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);
-
-  EXPECT_CALL(*client_, OnErr())
-      .Times(0);
-
-  VideoCaptureParams capture_params;
-  capture_params.requested_format.frame_size.SetSize(637, 472);
-  capture_params.requested_format.frame_rate = 35;
-  capture_params.requested_format.pixel_format = PIXEL_FORMAT_I420;
-  capture_params.allow_resolution_change = false;
-  device->AllocateAndStart(capture_params, client_.PassAs<Client>());
-  WaitForCapturedFrame();
-  device->StopAndDeAllocate();
-  EXPECT_EQ(last_format().frame_size.width(), 640);
-  EXPECT_EQ(last_format().frame_size.height(), 480);
-}
-
-TEST_F(VideoCaptureDeviceTest, ReAllocateCamera) {
-  VideoCaptureDevice::GetDeviceNames(&names_);
-  if (!names_.size()) {
-    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++) {
-    ResetWithNewClient();
-    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);
-    }
-    VideoCaptureParams capture_params;
-    capture_params.requested_format.frame_size = resolution;
-    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>());
-    device->StopAndDeAllocate();
-  }
-
-  // Finally, do a device start and wait for it to finish.
-  VideoCaptureParams capture_params;
-  capture_params.requested_format.frame_size.SetSize(320, 240);
-  capture_params.requested_format.frame_rate = 30;
-  capture_params.requested_format.pixel_format = PIXEL_FORMAT_I420;
-  capture_params.allow_resolution_change = false;
-
-  ResetWithNewClient();
-  scoped_ptr<VideoCaptureDevice> device(
-      VideoCaptureDevice::Create(names_.front()));
-
-  device->AllocateAndStart(capture_params, client_.PassAs<Client>());
-  WaitForCapturedFrame();
-  device->StopAndDeAllocate();
-  device.reset();
-  EXPECT_EQ(last_format().frame_size.width(), 320);
-  EXPECT_EQ(last_format().frame_size.height(), 240);
-}
-
-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);
-
-  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>());
-  // Get captured video frames.
-  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(VideoCaptureDeviceTest, FakeCapture) {
+TEST_F(FakeVideoCaptureDeviceTest, Capture) {
   VideoCaptureDevice::Names names;
 
   video_capture_device_factory_->GetDeviceNames(&names);
 
   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);
+  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();
 }
 
-// Start the camera in 720p to capture MJPEG instead of a raw format.
-TEST_F(VideoCaptureDeviceTest, MAYBE_CaptureMjpeg) {
-  scoped_ptr<VideoCaptureDevice::Name> name =
-      GetFirstDeviceNameSupportingPixelFormat(PIXEL_FORMAT_MJPEG);
-  if (!name) {
-    DVLOG(1) << "No camera supports MJPEG format. Exiting test.";
-    return;
+TEST_F(FakeVideoCaptureDeviceTest, GetDeviceSupportedFormats) {
+  VideoCaptureDevice::Names names;
+  video_capture_device_factory_->GetDeviceNames(&names);
+
+  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);
   }
-  scoped_ptr<VideoCaptureDevice> device(VideoCaptureDevice::Create(*name));
-  ASSERT_TRUE(device);
-
-  EXPECT_CALL(*client_, OnErr())
-      .Times(0);
-
-  VideoCaptureParams capture_params;
-  capture_params.requested_format.frame_size.SetSize(1280, 720);
-  capture_params.requested_format.frame_rate = 30;
-  capture_params.requested_format.pixel_format = PIXEL_FORMAT_MJPEG;
-  capture_params.allow_resolution_change = false;
-  device->AllocateAndStart(capture_params, client_.PassAs<Client>());
-  // Get captured video frames.
-  WaitForCapturedFrame();
-  // 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_EQ(last_format().pixel_format, PIXEL_FORMAT_MJPEG);
-  device->StopAndDeAllocate();
 }
 
-TEST_F(VideoCaptureDeviceTest, GetDeviceSupportedFormats) {
-  // Use PIXEL_FORMAT_MAX to iterate all device names for testing
-  // GetDeviceSupportedFormats().
-  scoped_ptr<VideoCaptureDevice::Name> name =
-      GetFirstDeviceNameSupportingPixelFormat(PIXEL_FORMAT_MAX);
-  // Verify no camera returned for PIXEL_FORMAT_MAX. Nothing else to test here
-  // since we cannot forecast the hardware capabilities.
-  ASSERT_FALSE(name);
-}
-
-TEST_F(VideoCaptureDeviceTest, FakeCaptureVariableResolution) {
+TEST_F(FakeVideoCaptureDeviceTest, CaptureVariableResolution) {
   VideoCaptureDevice::Names names;
 
   video_capture_device_factory_->GetDeviceNames(&names);
   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);
@@ skipping 16 matching lines @@
   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();
 }
 
-TEST_F(VideoCaptureDeviceTest, FakeGetDeviceSupportedFormats) {
-  VideoCaptureDevice::Names names;
-  video_capture_device_factory_->GetDeviceNames(&names);
-
-  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);
-  }
-}
-
 };  // namespace media