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

media/capture/video/win/video_capture_device_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_win.h"
 
 #include <ks.h>
 #include <ksmedia.h>
 
 #include <algorithm>
 #include <list>
 #include <utility>
 
+#include "base/big_endian.h"
 #include "base/macros.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/win/scoped_co_mem.h"
 #include "base/win/scoped_variant.h"
 #include "media/base/timestamp_constants.h"
 
 using base::win::ScopedCoMem;
 using base::win::ScopedComPtr;
 using base::win::ScopedVariant;
 
@@ skipping 132 matching lines @@
       {MEDIASUBTYPE_YUY2, PIXEL_FORMAT_YUY2},
       {MEDIASUBTYPE_MJPG, PIXEL_FORMAT_MJPEG},
       {MEDIASUBTYPE_UYVY, PIXEL_FORMAT_UYVY},
       {MEDIASUBTYPE_ARGB32, PIXEL_FORMAT_ARGB},
       {kMediaSubTypeHDYC, PIXEL_FORMAT_UYVY},
   };
   for (const auto& pixel_format : kMediaSubtypeToPixelFormatCorrespondence) {
     if (sub_type == pixel_format.sub_type)
       return pixel_format.format;
   }
+  // 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*>(&sub_type.Data1), &fourcc);
+  if (fourcc == 'Z16 ' || fourcc == 'INVZ') {
+    return PIXEL_FORMAT_Y16;
+  } else if (fourcc == 'Y8  ') {
+    return PIXEL_FORMAT_Y8;
+  }
 #ifndef NDEBUG
   WCHAR guid_str[128];
   StringFromGUID2(sub_type, guid_str, arraysize(guid_str));
   DVLOG(2) << "Device (also) supports an unknown media type " << guid_str;
 #endif
   return PIXEL_FORMAT_UNKNOWN;
 }
 
 void VideoCaptureDeviceWin::ScopedMediaType::Free() {
   if (!media_type_)
@@ skipping 408 matching lines @@
 }
 
 void VideoCaptureDeviceWin::SetErrorState(
     const tracked_objects::Location& from_here,
     const std::string& reason) {
   DCHECK(thread_checker_.CalledOnValidThread());
   state_ = kError;
   client_->OnError(from_here, reason);
 }
 }  // namespace media