# 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 1.16 2007/03/21 11:05:43 tjdwave Exp $ $Name: Dirac_0_7_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_byteio/dirac_byte_stream.h>
    00051 #include <libdirac_common/common.h>
    00052 #include <libdirac_common/frame_buffer.h>
    00053 #include <libdirac_common/pic_io.h>
    00054 #include <libdirac_common/dirac_assertions.h>
    00055 #include <libdirac_encoder/quality_monitor.h>
    00056 #include <libdirac_encoder/frame_compress.h>
    00057 #include <libdirac_encoder/rate_control.h>
    00058
    00059 #include <fstream>
    00060
    00061 namespace dirac
    00062 {
    00063
    00065
    00071     class SequenceCompressor{
    00072     public:
    00074
    00083         SequenceCompressor(StreamPicInput* pin,
    00084                            SourceParams& srcp,
    00085                            EncoderParams& encp,
    00086                            DiracByteStream& dirac_byte_stream);
    00087
    00089
    00092         ~SequenceCompressor();
    00093
    00095
    00101         bool LoadNextFrame();
    00102
    00104
    00123         Frame &CompressNextFrame();
    00124
    00126         const Frame *GetFrameEncoded();
    00127
    00129         const MEData *GetMEData();
    00130
    00131         DiracByteStats EndSequence();
    00132
    00134
    00139         bool Finished(){return m_all_done;}
    00140
    00141
    00142     private:
    00144
    00148         SequenceCompressor(const SequenceCompressor& cpy);
    00149
    00151
    00155         SequenceCompressor& operator=(const SequenceCompressor& rhs);
    00156
    00158         void Denoise( Frame& frame );
    00159
    00161         void DenoiseComponent( PicArray& pic_data );
    00162
    00163         ValueType Median( const ValueType* val_list, const int length);
    00164
    00169         //SequenceCompressor& operator<<(AccessUnitByteIO *p_accessunit_byteio);
    00170
    00172
    00177         int CodedToDisplay(const int fnum);
    00178
    00180         void MakeSequenceReport();
    00181
    00183         void MakeFrameReport();
    00184
    00186         bool m_all_done;
    00187
    00189
    00194         bool m_just_finished;
    00195
    00197         SourceParams& m_srcparams;
    00198
    00200         EncoderParams& m_encparams;
    00201
    00203         StreamPicInput* m_pic_in;
    00204
    00206         FrameBuffer* m_fbuffer;
    00207
    00209         FrameBuffer* m_origbuffer;
    00210
    00211         //state variables for CompressNextFrame
    00212
    00214         int m_current_display_fnum;
    00215
    00217         int m_current_code_fnum;
    00218
    00220         int m_current_accessunit_fnum;
    00221
    00223         int m_show_fnum;
    00224
    00226         int m_last_frame_read;
    00227
    00229         int m_delay;
    00230
    00232         QualityMonitor m_qmonitor;
    00233
    00235         RateController* m_ratecontrol;
    00236
    00238         FrameCompressor m_fcoder;
    00239
    00241         DiracByteStream& m_dirac_byte_stream;
    00242
    00243     };
    00244
    00245 } // namespace dirac
    00246
    00247 #endif

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