Win Video Capture: add support for WDM capture devices using a WDM Crossbar filter.

media/video/capture/win/video_capture_device_factory_win.cc

 // 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 "media/video/capture/win/video_capture_device_factory_win.h"
 
 #include <mfapi.h>
 #include <mferror.h>
 
 #include "base/command_line.h"
@@ skipping 191 matching lines @@
   // CreateClassEnumerator returns S_FALSE on some Windows OS when no camera
   // exists. Therefore the FAILED macro can't be used.
   if (hr != S_OK)
     return;
 
   // Walk the capture devices. No need to check for device presence again since
   // that is anyway needed in GetDeviceFilter(). "google camera adapter" and old
   // VFW devices are already skipped previously in GetDeviceNames() enumeration.
   base::win::ScopedComPtr<IBaseFilter> capture_filter;
   hr = VideoCaptureDeviceWin::GetDeviceFilter(device.capabilities_id(),
+                                              CLSID_VideoInputDeviceCategory,
                                               capture_filter.Receive());
   if (!capture_filter) {
     DLOG(ERROR) << "Failed to create capture filter: "
                 << logging::SystemErrorCodeToString(hr);
     return;
   }
 
   base::win::ScopedComPtr<IPin> output_capture_pin(
       VideoCaptureDeviceWin::GetPin(capture_filter,
                                     PINDIR_OUTPUT,
-                                    PIN_CATEGORY_CAPTURE));
+                                    PIN_CATEGORY_CAPTURE,
+                                    GUID_NULL));
   if (!output_capture_pin) {
     DLOG(ERROR) << "Failed to get capture output pin";
     return;
   }
 
   ScopedComPtr<IAMStreamConfig> stream_config;
   hr = output_capture_pin.QueryInterface(stream_config.Receive());
   if (FAILED(hr)) {
     DLOG(ERROR) << "Failed to get IAMStreamConfig interface from "
                    "capture device: " << logging::SystemErrorCodeToString(hr);
@@ skipping 192 matching lines @@
     const Name& device,
     VideoCaptureFormats* formats) {
   DCHECK(thread_checker_.CalledOnValidThread());
   if (use_media_foundation_)
     GetDeviceSupportedFormatsMediaFoundation(device, formats);
   else
     GetDeviceSupportedFormatsDirectShow(device, formats);
 }
 
 }  // namespace media