Mac VideoCapture: Support for Blackmagic DeckLink device & capabilities enumeration, using SDK.

media/video/capture/mac/video_capture_device_mac.mm

 // 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/video/capture/mac/video_capture_device_mac.h"
 
 #include <IOKit/IOCFPlugIn.h>
 #include <IOKit/usb/IOUSBLib.h>
 #include <IOKit/usb/USBSpec.h>
 
@@ skipping 313 matching lines @@
         plugin_interface_ref(video_control_interface);
 
     SetAntiFlickerInVideoControlInterface(video_control_interface, frequency);
   }
 }
 
 const std::string VideoCaptureDevice::Name::GetModel() const {
   // Skip the AVFoundation's not USB nor built-in devices.
   if (capture_api_type() == AVFOUNDATION && transport_type() != USB_OR_BUILT_IN)
     return "";
+  if (capture_api_type() == DECKLINK)
+    return "";
   // Both PID and VID are 4 characters.
   if (unique_id_.size() < 2 * kVidPidSize)
     return "";
 
   // The last characters of device id is a concatenation of VID and then PID.
   const size_t vid_location = unique_id_.size() - 2 * kVidPidSize;
   std::string id_vendor = unique_id_.substr(vid_location, kVidPidSize);
   const size_t pid_location = unique_id_.size() - kVidPidSize;
   std::string id_product = unique_id_.substr(pid_location, kVidPidSize);
 
@@ skipping 229 matching lines @@
   if (![capture_device_ setCaptureHeight:capture_format_.frame_size.height()
                                    width:capture_format_.frame_size.width()
                                frameRate:capture_format_.frame_rate]) {
     ReceiveError("Could not configure capture device.");
     return false;
   }
   return true;
 }
 
 } // namespace media