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57 lines
2.1 KiB
57 lines
2.1 KiB
/* |
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* Simple IDCT |
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* |
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* Copyright (c) 2001 Michael Niedermayer <michaelni@gmx.at> |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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/** |
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* @file |
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* simple idct header. |
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*/ |
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#ifndef AVCODEC_SIMPLE_IDCT_H |
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#define AVCODEC_SIMPLE_IDCT_H |
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#include <stdint.h> |
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void ff_simple_idct_put_8(uint8_t *dest, int line_size, int16_t *block); |
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void ff_simple_idct_add_8(uint8_t *dest, int line_size, int16_t *block); |
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void ff_simple_idct_8(int16_t *block); |
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void ff_simple_idct_put_10(uint8_t *dest, int line_size, int16_t *block); |
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void ff_simple_idct_add_10(uint8_t *dest, int line_size, int16_t *block); |
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void ff_simple_idct_10(int16_t *block); |
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/** |
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* Special version of ff_simple_idct_10() which does dequantization |
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* and scales by a factor of 2 more between the two IDCTs to account |
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* for larger scale of input coefficients. |
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*/ |
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void ff_prores_idct(int16_t *block, const int16_t *qmat); |
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void ff_simple_idct_mmx(int16_t *block); |
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void ff_simple_idct_add_mmx(uint8_t *dest, int line_size, int16_t *block); |
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void ff_simple_idct_put_mmx(uint8_t *dest, int line_size, int16_t *block); |
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void ff_simple_idct248_put(uint8_t *dest, int line_size, int16_t *block); |
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void ff_simple_idct84_add(uint8_t *dest, int line_size, int16_t *block); |
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void ff_simple_idct48_add(uint8_t *dest, int line_size, int16_t *block); |
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void ff_simple_idct44_add(uint8_t *dest, int line_size, int16_t *block); |
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#endif /* AVCODEC_SIMPLE_IDCT_H */
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