Add GetDeviceSupportedFormats to VideoCaptureDeviceMFWin

media/base/media_switches.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 "media/base/media_switches.h"
 
 namespace switches {
 
 // Allow users to specify a custom buffer size for debugging purpose.
 const char kAudioBufferSize[] = "audio-buffer-size";
@@ skipping 49 matching lines @@
 // See http://msdn.microsoft.com/en-us/library/windows/desktop/dd370844.aspx
 // for details.
 const char kEnableExclusiveAudio[] = "enable-exclusive-audio";
 
 // Used to troubleshoot problems with different video capture implementations
 // on Windows.  By default we use the Media Foundation API on Windows 7 and up,
 // but specifying this switch will force use of DirectShow always.
 // See bug: http://crbug.com/268412
 const char kForceDirectShowVideoCapture[] = "force-directshow";
 
+// Force the use of MediaFoundation for video capture. This is only supported in
+// Windows 7 and above. Used, like |kForceDirectShowVideoCapture|, to
+// troubleshoot problems in Windows platforms.
+const char kForceMediaFoundationVideoCapture[] = "force-mediafoundation";
+
 // Use Windows WaveOut/In audio API even if Core Audio is supported.
 const char kForceWaveAudio[] = "force-wave-audio";
 
 // Instead of always using the hardware channel layout, check if a driver
 // supports the source channel layout.  Avoids outputting empty channels and
 // permits drivers to enable stereo to multichannel expansion.  Kept behind a
 // flag since some drivers lie about supported layouts and hang when used.  See
 // http://crbug.com/259165 for more details.
 const char kTrySupportedChannelLayouts[] = "try-supported-channel-layouts";
 
 // Number of buffers to use for WaveOut.
 const char kWaveOutBuffers[] = "waveout-buffers";
 #endif
 
 #if defined(USE_CRAS)
 // Use CRAS, the ChromeOS audio server.
 const char kUseCras[] = "use-cras";
 #endif
 
 // Disables system sounds manager.
 const char kDisableSystemSoundsManager[] = "disable-system-sounds-manager";
 
 // Use a raw video file as fake video capture device.
 const char kUseFileForFakeVideoCapture[] = "use-file-for-fake-video-capture";
 
 }  // namespace switches