remoting/codec/video_decoder_verbatim.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_CODEC_VIDEO_DECODER_VERBATIM_H_
   6 #define REMOTING_CODEC_VIDEO_DECODER_VERBATIM_H_
   7
   8 #include "base/compiler_specific.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "remoting/codec/video_decoder.h"
  11 #include "third_party/webrtc/modules/desktop_capture/desktop_geometry.h"
  12 #include "third_party/webrtc/modules/desktop_capture/desktop_region.h"
  13
  14 namespace remoting {
  15
  16 // Video decoder implementations that decodes video packet encoded by
  17 // VideoEncoderVerbatim. It just copies data from incoming packets to the
  18 // video frames.
  19 class VideoDecoderVerbatim : public VideoDecoder {
  20  public:
  21   ~VideoDecoderVerbatim() override;
  22
  23   VideoDecoderVerbatim();
  24
  25   // VideoDecoder implementation.
  26   void Initialize(const webrtc::DesktopSize& screen_size) override;
  27   bool DecodePacket(const VideoPacket& packet) override;
  28   void Invalidate(const webrtc::DesktopSize& view_size,
  29                   const webrtc::DesktopRegion& region) override;
  30   void RenderFrame(const webrtc::DesktopSize& view_size,
  31                    const webrtc::DesktopRect& clip_area,
  32                    uint8* image_buffer,
  33                    int image_stride,
  34                    webrtc::DesktopRegion* output_region) override;
  35   const webrtc::DesktopRegion* GetImageShape() override;
  36
  37  private:
  38   // The region updated that hasn't been copied to the screen yet.
  39   webrtc::DesktopRegion updated_region_;
  40
  41   // Size of the remote screen.
  42   webrtc::DesktopSize screen_size_;
  43
  44   // The bitmap holding the remote screen bits.
  45   scoped_ptr<uint8[]> screen_buffer_;
  46
  47   DISALLOW_COPY_AND_ASSIGN(VideoDecoderVerbatim);
  48 };
  49
  50 }  // namespace remoting
  51
  52 #endif  // REMOTING_CODEC_VIDEO_DECODER_VERBATIM_H_