Add VideoCaptureDevice::GetDeviceSupportedFormats to interface + implementation for Linux and Fake

media/video/capture/video_capture_device_unittest.cc

 // 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/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"
@@ skipping 102 matching lines @@
 
   virtual void TearDown() {
   }
 
 #if defined(OS_WIN)
   base::win::ScopedCOMInitializer initialize_com_;
 #endif
   base::WaitableEvent wait_event_;
   scoped_ptr<MockFrameObserver> frame_observer_;
   VideoCaptureDevice::Names names_;
+  VideoCaptureFormats capture_formats_;
   scoped_ptr<base::MessageLoop> loop_;
 };
 
 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);
@@ skipping 310 matching lines @@
   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()));
   }
   device->Stop();
   device->DeAllocate();
 }
 
+TEST_F(VideoCaptureDeviceTest, GetDeviceSupportedFormats) {
+  VideoCaptureDevice::Names names;
+
+  FakeVideoCaptureDevice::GetDeviceNames(&names);
+  scoped_ptr<VideoCaptureDevice> device(
+      FakeVideoCaptureDevice::Create(names.front()));
+  ASSERT_TRUE(device.get() != NULL);
+  device->GetDeviceSupportedFormats(&capture_formats_);
+
+  EXPECT_GE(capture_formats_.size(), 1u);
+  EXPECT_EQ(capture_formats_[0].width, 640);
+  EXPECT_EQ(capture_formats_[0].height, 480);
+  EXPECT_EQ(capture_formats_[0].color, media::PIXEL_FORMAT_I420);
+  EXPECT_GE(capture_formats_[0].frame_rate, 20);
+}
+
 };  // namespace media