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// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef REMOTING_BASE_ENCODER_ZLIB_H_
#define REMOTING_BASE_ENCODER_ZLIB_H_
#include "remoting/base/encoder.h"
#include "gfx/rect.h"
namespace remoting {
class CompressorZlib;
class UpdateStreamPacket;
// EncoderZlib implements an Encoder using Zlib for compression.
class EncoderZlib : public Encoder {
public:
EncoderZlib();
EncoderZlib(int packet_size);
virtual ~EncoderZlib();
virtual void Encode(scoped_refptr<CaptureData> capture_data,
bool key_frame,
DataAvailableCallback* data_available_callback);
private:
// Encode a single dirty rect using compressor.
void EncodeRect(CompressorZlib* compressor, const gfx::Rect& rect,
size_t rect_index);
// Marks a packets as the first in a series of rectangle updates.
void PrepareUpdateStart(const gfx::Rect& rect, VideoPacket* packet);
// Retrieves a pointer to the output buffer in |update| used for storing the
// encoded rectangle data. Will resize the buffer to |size|.
uint8* GetOutputBuffer(VideoPacket* packet, size_t size);
// Submit |message| to |callback_|.
void SubmitMessage(VideoPacket* packet, size_t rect_index);
scoped_refptr<CaptureData> capture_data_;
scoped_ptr<DataAvailableCallback> callback_;
//size_t current_rect_;
int packet_size_;
};
} // namespace remoting
#endif // REMOTING_BASE_ENCODER_ZLIB_H_
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