# Dirac - A Video Codec

Created by the British Broadcasting Corporation.

# frame_byteio.h

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    00001 /* ***** BEGIN LICENSE BLOCK *****
    00002 *
    00003 * $Id: frame_byteio.h,v 1.1 2006/04/20 10:41:56 asuraparaju 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): Andrew Kennedy (Original Author)
    00024 *                 Anuradha Suraparaju
    00025 *
    00026 * Alternatively, the contents of this file may be used under the terms of
    00027 * the GNU General Public License Version 2 (the "GPL"), or the GNU Lesser
    00028 * Public License Version 2.1 (the "LGPL"), in which case the provisions of
    00029 * the GPL or the LGPL are applicable instead of those above. If you wish to
    00030 * allow use of your version of this file only under the terms of the either
    00031 * the GPL or LGPL and not to allow others to use your version of this file
    00032 * under the MPL, indicate your decision by deleting the provisions above
    00033 * and replace them with the notice and other provisions required by the GPL
    00034 * or LGPL. If you do not delete the provisions above, a recipient may use
    00035 * your version of this file under the terms of any one of the MPL, the GPL
    00036 * or the LGPL.
    00037 * ***** END LICENSE BLOCK ***** */
    00038
    00042 #ifndef frame_byteio_h
    00043 #define frame_byteio_h
    00044
    00045
    00046 //LOCAL INCLUDES
    00047 #include <libdirac_byteio/parseunit_byteio.h>       // Parent class
    00048 #include <libdirac_byteio/mvdata_byteio.h>          // Contains mvdata streams
    00049 #include <libdirac_byteio/transform_byteio.h>       // Transform header
    00050
    00051 // DIRAC includes
    00052 #include <libdirac_common/common.h>                 // FrameType etc
    00053
    00054
    00055 namespace dirac
    00056 {
    00060     class FrameByteIO : public ParseUnitByteIO
    00061     {
    00062     public:
    00063
    00070         FrameByteIO(FrameParams& frame_params,
    00071                     int frame_num,
    00072                     int au_fnum);
    00073
    00074
    00081         FrameByteIO(FrameParams& frame_params,
    00082                     const ParseUnitByteIO& parseunit_byteio,
    00083                     int au_fnum);
    00084
    00088         virtual ~FrameByteIO();
    00089
    00094         void CollateByteStats(DiracByteStats& dirac_byte_stats);
    00095
    00099         bool Input();
    00100
    00104         void Output();
    00105
    00106
    00107
    00108         const std::string GetBytes();
    00109
    00110         int GetSize() const;
    00111
    00115         ParseUnitType GetType() const { return PU_FRAME;}
    00116
    00117         /***
    00118         * Sets the MVDataIO
    00119         */
    00120         void SetMvData(MvDataByteIO *mv_data) {m_mv_data = mv_data; }
    00121
    00122         /***
    00123         * Sets the TransformByteIo
    00124         */
    00125         void SetTransformData(TransformByteIO *transform_data) {m_transform_data = transform_data; }
    00126
    00127   protected:
    00128
    00129
    00130    private:
    00131
    00136         unsigned char CalcParseCode() const;
    00137
    00141         void InputReferenceFrames();
    00142
    00146         void SetFrameType();
    00147
    00151         void SetReferenceType();
    00152
    00156         FrameParams&        m_frame_params;
    00157
    00161         int     m_frame_num;
    00162
    00166         MvDataByteIO * m_mv_data;
    00167
    00171         TransformByteIO * m_transform_data;
    00172
    00173    };
    00174
    00175 } // namespace dirac
    00176
    00177 #endif

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