Dirac Video Codec

# Dirac - A Video Codec

Created by the British Broadcasting Corporation.

# seq_decompress.h

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    00001 /* ***** BEGIN LICENSE BLOCK *****
    00002 *
    00003 * $Id: seq_decompress.h,v 1.13 2008/05/02 06:05:04 asuraparaju Exp $ $Name: Dirac_1_0_0 $
    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 *                 Andrew Kennedy
    00027 *
    00028 * Alternatively, the contents of this file may be used under the terms of
    00029 * the GNU General Public License Version 2 (the "GPL"), or the GNU Lesser
    00030 * Public License Version 2.1 (the "LGPL"), in which case the provisions of
    00031 * the GPL or the LGPL are applicable instead of those above. If you wish to
    00032 * allow use of your version of this file only under the terms of the either
    00033 * the GPL or LGPL and not to allow others to use your version of this file
    00034 * under the MPL, indicate your decision by deleting the provisions above
    00035 * and replace them with the notice and other provisions required by the GPL
    00036 * or LGPL. If you do not delete the provisions above, a recipient may use
    00037 * your version of this file under the terms of any one of the MPL, the GPL
    00038 * or the LGPL.
    00039 * ***** END LICENSE BLOCK ***** */
    00040
    00041
    00042 #ifndef _SEQ_DECOMPRESS_H_
    00043 #define _SEQ_DECOMPRESS_H_
    00044
    00046 //---------------------------------------//
    00047 //Class to manage decompressing sequences//
    00048 //---------------------------------------//
    00050
    00051 #include "libdirac_common/common.h"
    00052 #include "libdirac_byteio/parseunit_byteio.h"
    00053 #include <iostream>
    00054
    00055 namespace dirac
    00056 {
    00057     class PictureBuffer;
    00058     class Picture;
    00059     class PictureDecompressor;
    00060
    00062
    00065     class SequenceDecompressor{
    00066     public:
    00067
    00069
    00075         SequenceDecompressor(ParseUnitByteIO& parseunit, bool verbosity);
    00076
    00078
    00081         ~SequenceDecompressor();
    00082
    00084
    00087         void NewAccessUnit(ParseUnitByteIO& parseunit_byteio);
    00088
    00089
    00091
    00105         const Picture* DecompressNextPicture(ParseUnitByteIO* p_parseunit_byteio);
    00106
    00108         const Picture* GetNextPicture();
    00109
    00111         const PictureParams* GetNextPictureParams() const;
    00113
    00118         bool Finished();
    00120
    00125         ParseParams & GetParseParams() { return m_parse_params; }
    00126
    00127
    00129
    00134         SourceParams & GetSourceParams() { return m_srcparams; }
    00135
    00136
    00138
    00143         DecoderParams & GetDecoderParams() { return m_decparams; }
    00144     private:
    00146
    00151         SequenceDecompressor(const SequenceDecompressor& cpy);
    00152
    00154
    00159         SequenceDecompressor& operator=(const SequenceDecompressor& rhs);
    00160
    00161
    00162         //Member variables
    00163
    00165         bool m_all_done;
    00167         DecoderParams m_decparams;
    00169         ParseParams m_parse_params;
    00171         SourceParams m_srcparams;
    00173         PictureBuffer* m_pbuffer;
    00175         int m_current_code_pnum;
    00177         int m_delay;
    00179         int m_last_picture_read;
    00181         int m_show_pnum;
    00183         PictureDecompressor *m_pdecoder;
    00185         int m_highest_pnum;
    00186     };
    00187
    00188 } // namespace dirac
    00189
    00190 #endif

© 2004 British Broadcasting Corporation. Dirac code licensed under the Mozilla Public License (MPL) Version 1.1.
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