1 files changed, 22 insertions, 0 deletions
diff --git a/content/common/gpu/media/vaapi_drm_picture.h b/content/common/gpu/media/vaapi_drm_picture.h
index e982b59..4a0b83b 100644
--- a/content/common/gpu/media/vaapi_drm_picture.h
+++ b/content/common/gpu/media/vaapi_drm_picture.h
@@ -11,6 +11,7 @@
 
 #include "base/callback.h"
 #include "base/memory/ref_counted.h"
+#include "base/memory/weak_ptr.h"
 #include "content/common/gpu/media/vaapi_picture.h"
 #include "ui/gfx/geometry/size.h"
 
@@ -46,18 +47,39 @@ class VaapiDrmPicture : public VaapiPicture {
   bool AllowOverlay() const override;
 
  private:
+  // Calls ScalePixmap() if weak_ptr is not NULL.
+  static scoped_refptr<ui::NativePixmap> CallScalePixmap(
+      base::WeakPtr<VaapiDrmPicture> weak_ptr,
+      gfx::Size new_size);
+  // Use VPP to scale underlying pixmap_ to |new_size| and return the
+  // scaling result with a new pixmap.
+  scoped_refptr<ui::NativePixmap> ScalePixmap(gfx::Size new_size);
+  scoped_refptr<VASurface> CreateVASurfaceForPixmap(
+      scoped_refptr<ui::NativePixmap> pixmap,
+      gfx::Size pixmap_size);
+  scoped_refptr<ui::NativePixmap> CreateNativePixmap(gfx::Size size);
+
   VaapiWrapper* vaapi_wrapper_;  // Not owned.
   base::Callback<bool(void)> make_context_current_;
 
   // Ozone buffer, the storage of the EGLImage and the VASurface.
   scoped_refptr<ui::NativePixmap> pixmap_;
 
+  // Ozone buffer, the storage of the scaled buffer for overlay.
+  scoped_refptr<ui::NativePixmap> scaled_pixmap_;
+
   // EGLImage bound to the GL textures used by the VDA client.
   scoped_refptr<gfx::GLImage> gl_image_;
 
   // VASurface used to transfer from the decoder's pixel format.
   scoped_refptr<VASurface> va_surface_;
 
+  // VaSurface used to apply scaling.
+  scoped_refptr<VASurface> scaled_va_surface_;
+
+  // The WeakPtrFactory for VaapiDrmPicture.
+  base::WeakPtrFactory<VaapiDrmPicture> weak_this_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(VaapiDrmPicture);
 };