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# seq_decompress.h

    00001 /* ***** BEGIN LICENSE BLOCK *****
    00002 *
    00003 * $Id: seq_decompress.h,v 1.2 2005/01/30 05:11:41 gabest Exp $ $Name:  $
    00004 *
    00005 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
    00006 *
    00007 * The contents of this file are subject to the Mozilla Public License
    00008 * Version 1.1 (the "License"); you may not use this file except in compliance
    00009 * with the License. You may obtain a copy of the License at
    00010 * http://www.mozilla.org/MPL/
    00011 *
    00012 * Software distributed under the License is distributed on an "AS IS" basis,
    00013 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
    00014 * the specific language governing rights and limitations under the License.
    00015 *
    00016 * The Original Code is BBC Research and Development code.
    00017 *
    00018 * The Initial Developer of the Original Code is the British Broadcasting
    00019 * Corporation.
    00020 * Portions created by the Initial Developer are Copyright (C) 2004.
    00021 * All Rights Reserved.
    00022 *
    00023 * Contributor(s): Thomas Davies (Original Author),
    00024 *                 Scott R Ladd,
    00025 *                 Anuradha Suraparaju
    00026 *
    00027 * Alternatively, the contents of this file may be used under the terms of
    00028 * the GNU General Public License Version 2 (the "GPL"), or the GNU Lesser
    00029 * Public License Version 2.1 (the "LGPL"), in which case the provisions of
    00030 * the GPL or the LGPL are applicable instead of those above. If you wish to
    00031 * allow use of your version of this file only under the terms of the either
    00032 * the GPL or LGPL and not to allow others to use your version of this file
    00033 * under the MPL, indicate your decision by deleting the provisions above
    00034 * and replace them with the notice and other provisions required by the GPL
    00035 * or LGPL. If you do not delete the provisions above, a recipient may use
    00036 * your version of this file under the terms of any one of the MPL, the GPL
    00037 * or the LGPL.
    00038 * ***** END LICENSE BLOCK ***** */
    00039
    00040
    00041 #ifndef _SEQ_DECOMPRESS_H_
    00042 #define _SEQ_DECOMPRESS_H_
    00043
    00045 //---------------------------------------//
    00046 //Class to manage decompressing sequences//
    00047 //---------------------------------------//
    00049
    00050 #include "libdirac_common/common.h"
    00051 #include <iostream>
    00052
    00053 namespace dirac
    00054 {
    00055     class FrameBuffer;
    00056     class Frame;
    00057     class FrameDecompressor;
    00058
    00060
    00063     class SequenceDecompressor{
    00064     public:
    00065
    00067
    00073         SequenceDecompressor(std::istream * ip, bool verbosity);
    00074
    00076
    00079         ~SequenceDecompressor();
    00080
    00082
    00096         Frame& DecompressNextFrame(bool skip = false);
    00097
    00099         bool ReadNextFrameHeader();
    00100
    00102         Frame& GetNextFrame();
    00103
    00105         const FrameParams& GetNextFrameParams() const;
    00107
    00112         bool Finished() { return m_all_done; }
    00113
    00115
    00120         SeqParams & GetSeqParams() { return m_sparams; }
    00121
    00122     private:
    00124
    00129         SequenceDecompressor(const SequenceDecompressor& cpy);
    00130
    00132
    00137         SequenceDecompressor& operator=(const SequenceDecompressor& rhs);
    00138
    00140
    00146         void ReadStreamHeader();
    00147
    00148         //Member variables
    00149
    00151         bool m_all_done;
    00153         DecoderParams m_decparams;
    00155         SeqParams m_sparams;
    00157         FrameBuffer* m_fbuffer;
    00159         std::istream* m_infile;
    00161         int m_current_code_fnum;
    00163         int m_delay;
    00165         int m_last_frame_read;
    00167         int m_show_fnum;
    00169         FrameDecompressor *m_fdecoder;
    00170     };
    00171
    00172 } // namespace dirac
    00173
    00174 #endif