remoting/codec/video_encoder_verbatim.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 REMOTING_CODEC_VIDEO_ENCODER_VERBATIM_H_
   6 #define REMOTING_CODEC_VIDEO_ENCODER_VERBATIM_H_
   7
   8 #include "remoting/codec/video_encoder.h"
   9 #include "remoting/proto/video.pb.h"
  10 #include "third_party/webrtc/modules/desktop_capture/desktop_geometry.h"
  11
  12 namespace remoting {
  13
  14 // VideoEncoderVerbatim implements a VideoEncoder that sends image data as a
  15 // sequence of RGB values, without compression.
  16 class VideoEncoderVerbatim : public VideoEncoder {
  17  public:
  18   VideoEncoderVerbatim();
  19   virtual ~VideoEncoderVerbatim();
  20
  21   // VideoEncoder interface.
  22   virtual scoped_ptr<VideoPacket> Encode(
  23       const webrtc::DesktopFrame& frame) OVERRIDE;
  24
  25  private:
  26   // Allocates a buffer of the specified |size| inside |packet| and returns the
  27   // pointer to it.
  28   uint8* GetOutputBuffer(VideoPacket* packet, size_t size);
  29
  30   // The most recent screen size. Used to detect screen size changes.
  31   webrtc::DesktopSize screen_size_;
  32 };
  33
  34 }  // namespace remoting
  35
  36 #endif  // REMOTING_CODEC_VIDEO_ENCODER_VERBATIM_H_