# Dirac - A Video Codec

Created by the British Broadcasting Corporation.

# seq_compress.h

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    00001 /* ***** BEGIN LICENSE BLOCK *****
    00002 *
    00003 * $Id: seq_compress.h,v 1.13 2006/04/20 10:41:57 asuraparaju Exp $ $Name: Dirac_0_6_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 #ifndef _SEQ_COMPRESS_H_
    00042 #define _SEQ_COMPRESS_H_
    00043
    00045 //-------------------------------------//
    00046 //Class to manage compressing sequences//
    00047 //-------------------------------------//
    00049
    00050 #include <libdirac_common/common.h>
    00051 #include <libdirac_common/frame_buffer.h>
    00052 #include <libdirac_common/pic_io.h>
    00053 #include <libdirac_encoder/quality_monitor.h>
    00054 #include <libdirac_encoder/frame_compress.h>
    00055 #include <libdirac_byteio/dirac_byte_stream.h>
    00056 #include <fstream>
    00057
    00058 namespace dirac
    00059 {
    00061
    00067     class SequenceCompressor{
    00068     public:
    00070
    00079         SequenceCompressor(StreamPicInput* pin,
    00080                            SourceParams& srcp,
    00081                            EncoderParams& encp,
    00082                            DiracByteStream& dirac_byte_stream);
    00083
    00085
    00088         ~SequenceCompressor();
    00089
    00091
    00097         bool LoadNextFrame();
    00098
    00100
    00119         Frame &CompressNextFrame();
    00120
    00122         const Frame *GetFrameEncoded();
    00123
    00125         const MEData *GetMEData();
    00126
    00127         DiracByteStats EndSequence();
    00128
    00130
    00135         bool Finished(){return m_all_done;}
    00136
    00137
    00138     private:
    00140
    00144         SequenceCompressor(const SequenceCompressor& cpy);
    00145
    00147
    00151         SequenceCompressor& operator=(const SequenceCompressor& rhs);
    00152
    00157         SequenceCompressor& operator<<(AccessUnitByteIO *p_accessunit_byteio);
    00158
    00160
    00165         int CodedToDisplay(const int fnum);
    00166
    00168         void MakeSequenceReport();
    00169
    00171         void MakeFrameReport();
    00172
    00174         bool m_all_done;
    00175
    00177
    00182         bool m_just_finished;
    00183
    00185         SourceParams& m_srcparams;
    00186
    00188         EncoderParams& m_encparams;
    00189
    00191         StreamPicInput* m_pic_in;
    00192
    00194         FrameBuffer* m_fbuffer;
    00195
    00197         FrameBuffer* m_origbuffer;
    00198
    00199         //state variables for CompressNextFrame
    00200
    00202         int m_current_display_fnum;
    00203
    00205         int m_current_code_fnum;
    00206
    00208         int m_current_accessunit_fnum;
    00209
    00211         int m_show_fnum;
    00212
    00214         int m_last_frame_read;
    00215
    00217         int m_delay;
    00218
    00220         QualityMonitor m_qmonitor;
    00221
    00223         FrameCompressor m_fcoder;
    00224
    00225
    00227         DiracByteStream& m_dirac_byte_stream;
    00228     };
    00229
    00230 } // namespace dirac
    00231
    00232 #endif

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