Zlib compressor for Chromoting

remoting/base/compressor_zlib.h

+// 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_COMPRESSOR_ZLIB_H_
+#define REMOTING_BASE_COMPRESSOR_ZLIB_H_
+
+#include "base/scoped_ptr.h"
+#include "remoting/base/compressor.h"
+
+typedef struct z_stream_s z_stream;
+
+namespace remoting {
+
+// A lossless compressor using zlib.
+class CompressorZlib : public Compressor {
+ public:
+  CompressorZlib();
+  virtual ~CompressorZlib();
+
+  // Compressor implementations.
+  virtual void Write(const uint8* input_data, int input_size,
+                     uint8* output_data, int output_size,
+                     int* consumed, int* written);
+  virtual bool Flush(uint8* output_data, int output_size, int* written);
+
+ private:
+  scoped_ptr<z_stream> stream_;
+};
+
+}  // namespace remoting
+
+#endif  // REMOTING_BASE_COMPRESSOR_ZLIB_H_