16 bpp video stream capture, render and WebGL usage - Realsense R200 & SR300 support.

media/capture/video/win/video_capture_device_mf_win.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/capture/video/win/video_capture_device_mf_win.h"
 
 #include <mfapi.h>
 #include <mferror.h>
 #include <stddef.h>
 
 #include <utility>
 
+#include "base/big_endian.h"
 #include "base/location.h"
 #include "base/memory/ref_counted.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/win/scoped_co_mem.h"
 #include "base/win/windows_version.h"
 #include "media/capture/video/win/capability_list_win.h"
 
 using base::win::ScopedCoMem;
@@ skipping 154 matching lines @@
       {MFVideoFormat_MJPG, PIXEL_FORMAT_MJPEG},
       {MFVideoFormat_YV12, PIXEL_FORMAT_YV12},
   };
 
   for (const auto& kFormat : kFormatMap) {
     if (kFormat.guid == guid) {
       *format = kFormat.format;
       return true;
     }
   }
+  // TODO(astojilj) Define GUIDs and move this to common place as the code is
+  // replicated around.
+  uint32_t fourcc;
+  base::ReadBigEndian(reinterpret_cast<const char*>(&guid.Data1), &fourcc);
+  if (fourcc == 'Z16 ' || fourcc == 'INVZ') {
+    *format = PIXEL_FORMAT_Y16;
+    return true;
+  } else if (fourcc == 'Y8  ') {
+    *format = PIXEL_FORMAT_Y8;
+    return true;
+  }
 
   return false;
 }
 
 const std::string VideoCaptureDevice::Name::GetModel() const {
   const size_t vid_prefix_size = sizeof(kVidPrefix) - 1;
   const size_t pid_prefix_size = sizeof(kPidPrefix) - 1;
   const size_t vid_location = unique_id_.find(kVidPrefix);
   if (vid_location == std::string::npos ||
       vid_location + vid_prefix_size + kVidPidSize > unique_id_.size()) {
@@ skipping 134 matching lines @@
     HRESULT hr) {
   if (client_.get()) {
     client_->OnError(
         from_here,
         base::StringPrintf("VideoCaptureDeviceMFWin: %s",
                            logging::SystemErrorCodeToString(hr).c_str()));
   }
 }
 
 }  // namespace media