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57 lines
1.7 KiB
C
57 lines
1.7 KiB
C
/*
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* DC Prediction
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*
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* Copyright (c) 2006 vixy project
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*
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* This file is part of VIXY FLV Converter.
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*
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* 'VIXY FLV Converter' is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* 'VIXY FLV Converter' is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef DCPREDICTION_H
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#define DCPREDICTION_H
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#include "type.h"
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#include <stdlib.h>
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typedef struct _M4V_DCPRED
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{
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int *_dc[6]; // for malloc(),free()
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int *dc[6]; // for point (0,0)
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int *dc_cur[6]; // for point current pos
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int stride[6];
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int height[6];
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int block_offset[6];
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int y_dc_scale;
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int c_dc_scale;
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} M4V_DCPRED;
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//////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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void dcpred_set_qscale(M4V_DCPRED *pred, int qscale);
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void dcpred_set_pos(M4V_DCPRED *pred, int mb_x, int mb_y);
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int dcpred_for_enc(M4V_DCPRED *pred, int n, int level);
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int dcpred_for_dec(M4V_DCPRED *pred, int n, int level);
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void init_dcpred(M4V_DCPRED *pred);
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void alloc_dcpred(M4V_DCPRED *pred, int mb_width, int mb_height);
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void free_dcpred(M4V_DCPRED *pred);
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#endif // DCPREDICTION_H
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