Add Intel Perceptual Computing SDK based depth video capture for Windows

media/video/capture/win/video_capture_device_win.cc

Index: media/video/capture/win/video_capture_device_win.cc
diff --git a/media/video/capture/win/video_capture_device_win.cc b/media/video/capture/win/video_capture_device_win.cc
index 2afb96860177ea648017597a2ce05ee34c0a5316..37400009ca6492b8f81b8228ae1fe566fb440cce 100644
--- a/media/video/capture/win/video_capture_device_win.cc
+++ b/media/video/capture/win/video_capture_device_win.cc
@@ -16,6 +16,8 @@
 #include "base/win/windows_version.h"
 #include "media/base/media_switches.h"
 #include "media/video/capture/win/video_capture_device_mf_win.h"
+#include "media/video/capture/win/video_capture_device_pxc_win.h"
+
 
 using base::win::ScopedCoMem;
 using base::win::ScopedComPtr;
@@ -220,6 +222,11 @@ void VideoCaptureDevice::GetDeviceNames(Names* device_names) {
     VideoCaptureDeviceMFWin::GetDeviceNames(device_names);
   } else {
     VideoCaptureDeviceWin::GetDeviceNames(device_names);
+    if (cmd_line->HasSwitch(switches::kEnableDepthCamera)) {
+      if (VideoCaptureDevicePXCWin::PlatformSupported()) {
+        VideoCaptureDevicePXCWin::AppendDeviceNames(device_names);
+      }
+    }
   }
 }
 
@@ -237,12 +244,19 @@ void VideoCaptureDevice::GetDeviceSupportedFormats(const Name& device,
       cmd_line->HasSwitch(switches::kForceMediaFoundationVideoCapture))) {
     VideoCaptureDeviceMFWin::GetDeviceSupportedFormats(device, formats);
   } else {
+    if (cmd_line->HasSwitch(switches::kEnableDepthCamera)) {
+      if (VideoCaptureDevicePXCWin::IsDepthDevice(device)) {
+        VideoCaptureDevicePXCWin::GetDeviceSupportedFormats(device, formats);
+        return;
+      }
+    }
     VideoCaptureDeviceWin::GetDeviceSupportedFormats(device, formats);
   }
 }
 
 // static
 VideoCaptureDevice* VideoCaptureDevice::Create(const Name& device_name) {
+  const CommandLine* cmd_line = CommandLine::ForCurrentProcess();
   VideoCaptureDevice* ret = NULL;
   if (device_name.capture_api_type() == Name::MEDIA_FOUNDATION) {
     DCHECK(VideoCaptureDeviceMFWin::PlatformSupported());
@@ -257,7 +271,15 @@ VideoCaptureDevice* VideoCaptureDevice::Create(const Name& device_name) {
     DVLOG(1) << " DirectShow Device: " << device_name.name();
     if (device->Init())
       ret = device.release();
-  } else{
+  } else if (cmd_line->HasSwitch(switches::kEnableDepthCamera) &&
+             device_name.capture_api_type() == Name::PXC_CAPTURE) {
+    DCHECK(VideoCaptureDevicePXCWin::PlatformSupported());
+    scoped_ptr<VideoCaptureDevicePXCWin> device(
+        new VideoCaptureDevicePXCWin(device_name));
+    DVLOG(1) << " PxcCapture Device: " << device_name.name();
+    if (device->Init())
+      ret = device.release();
+  } else {
     NOTREACHED() << " Couldn't recognize VideoCaptureDevice type";
   }