1 /*
2 * Copyright (C) 2016 Open Broadcast Systems Ltd.
3 * Author (C) 2016 Rostislav Pehlivanov <atomnuker@gmail.com>
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22 #ifndef AVCODEC_DIRACTAB_H
23 #define AVCODEC_DIRACTAB_H
24
25 #include <stdint.h>
26
27 /* Tables here are shared between the Dirac/VC-2 decoder and the VC-2 encoder */
28
29 /* Default quantization tables for each wavelet transform */
31
32 /* Scaling factors needed for quantization/dequantization */
34
35 /* Scaling offsets needed for quantization/dequantization, for intra frames */
37
38 /* Scaling offsets needed for quantization/dequantization, for inter frames */
40
41 #define DIRAC_MAX_QUANT_INDEX (FF_ARRAY_ELEMS(ff_dirac_qscale_tab))
42
43 #endif /* AVCODEC_DIRACTAB_H */