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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4349 | Serge | 1 | /* |
| 2 | * Simple IDCT |
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| 3 | * |
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| 4 | * Copyright (c) 2001 Michael Niedermayer |
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| 5 | * |
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| 6 | * This file is part of FFmpeg. |
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| 7 | * |
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| 8 | * FFmpeg is free software; you can redistribute it and/or |
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| 9 | * modify it under the terms of the GNU Lesser General Public |
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| 10 | * License as published by the Free Software Foundation; either |
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| 11 | * version 2.1 of the License, or (at your option) any later version. |
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| 12 | * |
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| 13 | * FFmpeg is distributed in the hope that it will be useful, |
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| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 16 | * Lesser General Public License for more details. |
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| 17 | * |
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| 18 | * You should have received a copy of the GNU Lesser General Public |
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| 19 | * License along with FFmpeg; if not, write to the Free Software |
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| 20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 21 | */ |
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| 22 | |||
| 23 | /** |
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| 24 | * @file |
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| 25 | * simple idct header. |
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| 26 | */ |
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| 27 | |||
| 28 | #ifndef AVCODEC_SIMPLE_IDCT_H |
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| 29 | #define AVCODEC_SIMPLE_IDCT_H |
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| 30 | |||
| 31 | #include |
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| 32 | |||
| 33 | void ff_simple_idct_put_8(uint8_t *dest, int line_size, int16_t *block); |
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| 34 | void ff_simple_idct_add_8(uint8_t *dest, int line_size, int16_t *block); |
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| 35 | void ff_simple_idct_8(int16_t *block); |
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| 36 | |||
| 37 | void ff_simple_idct_put_10(uint8_t *dest, int line_size, int16_t *block); |
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| 38 | void ff_simple_idct_add_10(uint8_t *dest, int line_size, int16_t *block); |
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| 39 | void ff_simple_idct_10(int16_t *block); |
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| 40 | |||
| 41 | void ff_simple_idct_put_12(uint8_t *dest, int line_size, int16_t *block); |
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| 42 | void ff_simple_idct_add_12(uint8_t *dest, int line_size, int16_t *block); |
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| 43 | void ff_simple_idct_12(int16_t *block); |
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| 44 | |||
| 45 | /** |
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| 46 | * Special version of ff_simple_idct_10() which does dequantization |
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| 47 | * and scales by a factor of 2 more between the two IDCTs to account |
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| 48 | * for larger scale of input coefficients. |
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| 49 | */ |
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| 50 | void ff_prores_idct(int16_t *block, const int16_t *qmat); |
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| 51 | |||
| 52 | void ff_simple_idct_mmx(int16_t *block); |
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| 53 | void ff_simple_idct_add_mmx(uint8_t *dest, int line_size, int16_t *block); |
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| 54 | void ff_simple_idct_put_mmx(uint8_t *dest, int line_size, int16_t *block); |
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| 55 | |||
| 56 | void ff_simple_idct248_put(uint8_t *dest, int line_size, int16_t *block); |
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| 57 | |||
| 58 | void ff_simple_idct84_add(uint8_t *dest, int line_size, int16_t *block); |
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| 59 | void ff_simple_idct48_add(uint8_t *dest, int line_size, int16_t *block); |
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| 60 | void ff_simple_idct44_add(uint8_t *dest, int line_size, int16_t *block); |
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| 61 | |||
| 62 | #endif /* AVCODEC_SIMPLE_IDCT_H */ |