/* * 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 */