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Diffstat (limited to 'libavcodec/diractab.h')
| -rw-r--r-- | libavcodec/diractab.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/libavcodec/diractab.h b/libavcodec/diractab.h new file mode 100644 index 0000000000..cd8b8acee7 --- /dev/null +++ b/libavcodec/diractab.h @@ -0,0 +1,41 @@ +/* + * 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]; + +#endif /* AVCODEC_DIRACTAB_H */ |