aac5773f
 hucm
功能基本完成，接口待打磨
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/*
* 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 */
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