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/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVCODEC_INTRAX8_H
#define AVCODEC_INTRAX8_H
#include "get_bits.h"
#include "mpegvideo.h"
typedef struct{
VLC * j_ac_vlc[4];//they point to the static j_mb_vlc
VLC * j_orient_vlc;
VLC * j_dc_vlc[3];
int use_quant_matrix;
//set by ff_intrax8_common_init
uint8_t * prediction_table;//2*(mb_w*2)
ScanTable scantable[3];
//set by the caller codec
MpegEncContext * s;
int quant;
int dquant;
int qsum;
//calculated per frame
int quant_dc_chroma;
int divide_quant_dc_luma;
int divide_quant_dc_chroma;
//changed per block
int edges;
int flat_dc;
int predicted_dc;
int raw_orient;
int chroma_orient;
int orient;
int est_run;
} IntraX8Context;
void ff_intrax8_common_init(IntraX8Context * w, MpegEncContext * const s);
void ff_intrax8_common_end(IntraX8Context * w);
int ff_intrax8_decode_picture(IntraX8Context * w, int quant, int halfpq);
#endif /* AVCODEC_INTRAX8_H */
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