Attach color space information to hardware decoded NV12 video frames.

media/gpu/dxva_video_decode_accelerator_win.h

Index: media/gpu/dxva_video_decode_accelerator_win.h
diff --git a/media/gpu/dxva_video_decode_accelerator_win.h b/media/gpu/dxva_video_decode_accelerator_win.h
index e44a71909e4808c3db4a0e28afbf11a8d38c0bfb..97f817b83c663c86abb675fec7f2868ffe04fa5b 100644
--- a/media/gpu/dxva_video_decode_accelerator_win.h
+++ b/media/gpu/dxva_video_decode_accelerator_win.h
@@ -36,6 +36,7 @@
 #include "media/gpu/gpu_video_decode_accelerator_helpers.h"
 #include "media/gpu/media_gpu_export.h"
 #include "media/video/video_decode_accelerator.h"
+#include "ui/gfx/color_space.h"
 
 interface IMFSample;
 interface IDirect3DSurface9;
@@ -73,6 +74,8 @@ class H264ConfigChangeDetector {
 
   bool config_changed() const { return config_changed_; }
 
+  gfx::ColorSpace current_color_space() const;
+
  private:
   // These fields are used to track the SPS/PPS in the H.264 bitstream and
   // are eventually compared against the SPS/PPS in the bitstream to detect
@@ -196,12 +199,13 @@ class MEDIA_GPU_EXPORT DXVAVideoDecodeAccelerator
 
   // The bulk of the decoding happens here. This function handles errors,
   // format changes and processes decoded output.
-  void DoDecode();
+  void DoDecode(const gfx::ColorSpace& color_space);
 
   // Invoked when we have a valid decoded output sample. Retrieves the D3D
   // surface and maintains a copy of it which is passed eventually to the
   // client when we have a picture buffer to copy the surface contents to.
-  bool ProcessOutputSample(IMFSample* sample);
+  bool ProcessOutputSample(IMFSample* sample,
+                           const gfx::ColorSpace& color_space);
 
   // Processes pending output samples by copying them to available picture
   // slots.
@@ -228,7 +232,9 @@ class MEDIA_GPU_EXPORT DXVAVideoDecodeAccelerator
   void RequestPictureBuffers(int width, int height);
 
   // Notifies the client about the availability of a picture.
-  void NotifyPictureReady(int picture_buffer_id, int input_buffer_id);
+  void NotifyPictureReady(int picture_buffer_id,
+                          int input_buffer_id,
+                          const gfx::ColorSpace& color_space);
 
   // Sends pending input buffer processed acks to the client if we don't have
   // output samples waiting to be processed.
@@ -394,7 +400,9 @@ class MEDIA_GPU_EXPORT DXVAVideoDecodeAccelerator
 
   // Contains information about a decoded sample.
   struct PendingSampleInfo {
-    PendingSampleInfo(int32_t buffer_id, IMFSample* sample);
+    PendingSampleInfo(int32_t buffer_id,
+                      IMFSample* sample,
+                      const gfx::ColorSpace& color_space);
     PendingSampleInfo(const PendingSampleInfo& other);
     ~PendingSampleInfo();
 
@@ -404,6 +412,9 @@ class MEDIA_GPU_EXPORT DXVAVideoDecodeAccelerator
     // Defaults to -1.
     int picture_buffer_id;
 
+    // The color space of this picture.
+    gfx::ColorSpace color_space;
+
     base::win::ScopedComPtr<IMFSample> output_sample;
   };