webkit/glue/media/web_video_renderer.h

   1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef WEBKIT_GLUE_MEDIA_WEB_VIDEO_RENDERER_H_
   6 #define WEBKIT_GLUE_MEDIA_WEB_VIDEO_RENDERER_H_
   7
   8 #include "media/base/video_frame.h"
   9 #include "media/filters/video_renderer_base.h"
  10 #include "ui/gfx/rect.h"
  11
  12 class SkCanvas;
  13
  14 namespace webkit_glue {
  15
  16 class WebMediaPlayerProxy;
  17
  18 // A specialized version of a VideoRenderer designed to be used inside WebKit.
  19 class WebVideoRenderer : public media::VideoRendererBase {
  20  public:
  21   WebVideoRenderer() : media::VideoRendererBase() {}
  22   virtual ~WebVideoRenderer() {}
  23
  24   // Saves the reference to WebMediaPlayerProxy.
  25   virtual void SetWebMediaPlayerProxy(WebMediaPlayerProxy* proxy) = 0;
  26
  27   // This method is called with the same rect as the Paint() method and could
  28   // be used by future implementations to implement an improved color space +
  29   // scale code on a separate thread.  Since we always do the stretch on the
  30   // same thread as the Paint method, we just ignore the call for now.
  31   //
  32   // Method called on the render thread.
  33   virtual void SetRect(const gfx::Rect& rect) = 0;
  34
  35   // Paint the current front frame on the |canvas| stretching it to fit the
  36   // |dest_rect|.
  37   //
  38   // Method called on the render thread.
  39   virtual void Paint(SkCanvas* canvas, const gfx::Rect& dest_rect) = 0;
  40
  41  private:
  42   DISALLOW_COPY_AND_ASSIGN(WebVideoRenderer);
  43 };
  44
  45 }  // namespace webkit_glue
  46
  47 #endif  // WEBKIT_GLUE_MEDIA_WEB_VIDEO_RENDERER_H_