2 * This file is part of Libav.
4 * Libav is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * Libav is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with Libav; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 #ifndef AVCODEC_INTRAX8_H
20 #define AVCODEC_INTRAX8_H
23 #include "mpegvideo.h"
24 #include "intrax8dsp.h"
26 typedef struct IntraX8Context {
27 VLC * j_ac_vlc[4];//they point to the static j_mb_vlc
32 //set by ff_intrax8_common_init
33 uint8_t * prediction_table;//2*(mb_w*2)
34 ScanTable scantable[3];
35 //set by the caller codec
37 IntraX8DSPContext dsp;
41 //calculated per frame
43 int divide_quant_dc_luma;
44 int divide_quant_dc_chroma;
55 void ff_intrax8_common_init(IntraX8Context * w, MpegEncContext * const s);
56 void ff_intrax8_common_end(IntraX8Context * w);
57 int ff_intrax8_decode_picture(IntraX8Context * w, int quant, int halfpq);
59 #endif /* AVCODEC_INTRAX8_H */