| /* |
| * Copyright (C) 2016 Open Broadcast Systems Ltd. |
| * Author (C) 2016 Rostislav Pehlivanov <atomnuker@gmail.com> |
| * |
| * 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_DIRACTAB_H |
| #define AVCODEC_DIRACTAB_H |
| |
| #include <stdint.h> |
| |
| /* Tables here are shared between the Dirac/VC-2 decoder and the VC-2 encoder */ |
| |
| /* Default quantization tables for each wavelet transform */ |
| extern const uint8_t ff_dirac_default_qmat[7][4][4]; |
| |
| /* Scaling factors needed for quantization/dequantization */ |
| extern const int32_t ff_dirac_qscale_tab[116]; |
| |
| /* Scaling offsets needed for quantization/dequantization, for intra frames */ |
| extern const int32_t ff_dirac_qoffset_intra_tab[120]; |
| |
| /* Scaling offsets needed for quantization/dequantization, for inter frames */ |
| extern const int ff_dirac_qoffset_inter_tab[122]; |
| |
| #define DIRAC_MAX_QUANT_INDEX (FF_ARRAY_ELEMS(ff_dirac_qscale_tab)) |
| |
| #endif /* AVCODEC_DIRACTAB_H */ |
