remoting/client/frame_consumer.h

   1 // Copyright (c) 2012 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 REMOTING_CLIENT_FRAME_CONSUMER_H_
   6 #define REMOTING_CLIENT_FRAME_CONSUMER_H_
   7
   8 #include "base/basictypes.h"
   9
  10 namespace webrtc {
  11 class DesktopFrame;
  12 class DesktopRect;
  13 class DesktopRegion;
  14 class DesktopSize;
  15 class DesktopVector;
  16 }  // namespace webrtc
  17
  18 namespace remoting {
  19
  20 class FrameConsumer {
  21  public:
  22   // List of supported pixel formats needed by various platforms.
  23   enum PixelFormat {
  24     FORMAT_BGRA,  // Used by the Pepper plugin.
  25     FORMAT_RGBA,  // Used for Android's Bitmap class.
  26   };
  27
  28   virtual scoped_ptr<webrtc::DesktopFrame> AllocateFrame(
  29       const webrtc::DesktopSize& size) = 0;
  30
  31   virtual void DrawFrame(scoped_ptr<webrtc::DesktopFrame> frame,
  32                          const base::Closure& done) = 0;
  33
  34   // Returns the preferred pixel encoding for the platform.
  35   virtual PixelFormat GetPixelFormat() = 0;
  36
  37  protected:
  38   FrameConsumer() {}
  39   virtual ~FrameConsumer() {}
  40
  41  private:
  42   DISALLOW_COPY_AND_ASSIGN(FrameConsumer);
  43 };
  44
  45 }  // namespace remoting
  46
  47 #endif  // REMOTING_CLIENT_FRAME_CONSUMER_H_