remoting/base/encoder_zlib.h

   1 // Copyright (c) 2010 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_BASE_ENCODER_ZLIB_H_
   6 #define REMOTING_BASE_ENCODER_ZLIB_H_
   7
   8 #include "remoting/base/encoder.h"
   9
  10 #include "gfx/rect.h"
  11
  12 namespace remoting {
  13
  14 class CompressorZlib;
  15 class UpdateStreamPacket;
  16
  17 // EncoderZlib implements an Encoder using Zlib for compression.
  18 class EncoderZlib : public Encoder {
  19  public:
  20   EncoderZlib();
  21   EncoderZlib(int packet_size);
  22
  23   virtual ~EncoderZlib() {}
  24
  25   virtual void Encode(scoped_refptr<CaptureData> capture_data,
  26                       bool key_frame,
  27                       DataAvailableCallback* data_available_callback);
  28
  29  private:
  30   // Encode a single dirty rect using compressor.
  31   void EncodeRect(CompressorZlib* compressor, const gfx::Rect& rect,
  32                   size_t rect_index);
  33
  34   // Create a new HostMessage with the right flag and attributes. The message
  35   // can be used immediately for output of encoding.
  36   HostMessage* PrepareMessage(const gfx::Rect* rect);
  37
  38   // Submit |message| to |callback_|.
  39   void SubmitMessage(HostMessage* message, size_t rect_index);
  40
  41   scoped_refptr<CaptureData> capture_data_;
  42   scoped_ptr<DataAvailableCallback> callback_;
  43   //size_t current_rect_;
  44   int packet_size_;
  45 };
  46
  47 }  // namespace remoting
  48
  49 #endif  // REMOTING_BASE_ENCODER_ZLIB_H_