[Ozone] Extends the lifetime of VaapiWrapper

content/common/gpu/media/vaapi_wrapper.h

Index: content/common/gpu/media/vaapi_wrapper.h
diff --git a/content/common/gpu/media/vaapi_wrapper.h b/content/common/gpu/media/vaapi_wrapper.h
index 036bee4f61d7c05ab8c02749fe8d8343eb3f478c..eaf38b00642bf02bac9496b37d8de4b575f07e7b 100644
--- a/content/common/gpu/media/vaapi_wrapper.h
+++ b/content/common/gpu/media/vaapi_wrapper.h
@@ -31,6 +31,10 @@
 #include "third_party/libva/va/va_x11.h"
 #endif  // USE_X11
 
+namespace ui {
+class NativePixmap;
+}
+
 namespace content {
 
 // This class handles VA-API calls and ensures proper locking of VA-API calls
@@ -43,7 +47,8 @@ namespace content {
 // It is also responsible for managing and freeing VABuffers (not VASurfaces),
 // which are used to queue parameters and slice data to the HW codec,
 // as well as underlying memory for VASurfaces themselves.
-class CONTENT_EXPORT VaapiWrapper {
+class CONTENT_EXPORT VaapiWrapper
+    : public base::RefCountedThreadSafe<VaapiWrapper> {
  public:
   enum CodecMode {
     kDecode,
@@ -54,7 +59,7 @@ class CONTENT_EXPORT VaapiWrapper {
   // Return an instance of VaapiWrapper initialized for |va_profile| and
   // |mode|. |report_error_to_uma_cb| will be called independently from
   // reporting errors to clients via method return values.
-  static scoped_ptr<VaapiWrapper> Create(
+  static scoped_refptr<VaapiWrapper> Create(
       CodecMode mode,
       VAProfile va_profile,
       const base::Closure& report_error_to_uma_cb);
@@ -63,7 +68,7 @@ class CONTENT_EXPORT VaapiWrapper {
   // |profile| to VAProfile.
   // |report_error_to_uma_cb| will be called independently from reporting
   // errors to clients via method return values.
-  static scoped_ptr<VaapiWrapper> CreateForVideoCodec(
+  static scoped_refptr<VaapiWrapper> CreateForVideoCodec(
       CodecMode mode,
       media::VideoCodecProfile profile,
       const base::Closure& report_error_to_uma_cb);
@@ -106,6 +111,13 @@ class CONTENT_EXPORT VaapiWrapper {
       const gfx::Size& size,
       const std::vector<VASurfaceAttrib>& va_attribs);
 
+  // Create a VASurface for |pixmap| of |pixmap_size|. The ownership of the
+  // surface is transferred to the caller. It differs from surfaces created
+  // using CreateSurfaces(), where VaapiWrapper is the owner of the surfaces.
+  scoped_refptr<VASurface> CreateVASurfaceForPixmap(
+      const scoped_refptr<ui::NativePixmap>& pixmap,
+      const gfx::Size& pixmap_size);
+
   // Submit parameters or slice data of |va_buffer_type|, copying them from
   // |buffer| of size |size|, into HW codec. The data in |buffer| is no
   // longer needed and can be freed after this method returns.
@@ -198,6 +210,17 @@ class CONTENT_EXPORT VaapiWrapper {
   // Get the created surfaces format.
   unsigned int va_surface_format() const { return va_surface_format_; }
 
+  // Use VPP to process |source_pixmap|, scaling to |target_size| and
+  // converting to |target_format|. Return the processed pixmap.
+  scoped_refptr<ui::NativePixmap> ProcessPixmap(
+      const scoped_refptr<ui::NativePixmap>& source_pixmap,
+      const gfx::Size& target_size,
+      gfx::BufferFormat target_format);
+
+  // Create native pixmap with size |size| and format |format|.
+  scoped_refptr<ui::NativePixmap> CreateNativePixmap(gfx::Size size,
+                                                     gfx::BufferFormat format);
+
  private:
   struct ProfileInfo {
     VAProfile va_profile;