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/* |
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* Simple IDCT
*
* Copyright (c) 2001 Michael Niedermayer <michaelni@gmx.at>
* |
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* This file is part of FFmpeg.
*
* 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
* 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
* 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 |
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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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/** |
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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
#define AVCODEC_SIMPLE_IDCT_H |
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|
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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);
void ff_simple_idct_add_8(uint8_t *dest, int line_size, int16_t *block);
void ff_simple_idct_8(int16_t *block); |
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|
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void ff_simple_idct_put_10(uint8_t *dest, int line_size, int16_t *block);
void ff_simple_idct_add_10(uint8_t *dest, int line_size, int16_t *block);
void ff_simple_idct_10(int16_t *block); |
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void ff_simple_idct_put_12(uint8_t *dest, int line_size, int16_t *block);
void ff_simple_idct_add_12(uint8_t *dest, int line_size, int16_t *block);
void ff_simple_idct_12(int16_t *block);
|
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/**
* Special version of ff_simple_idct_10() which does dequantization
* and scales by a factor of 2 more between the two IDCTs to account
* for larger scale of input coefficients.
*/ |
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void ff_prores_idct(int16_t *block, const int16_t *qmat); |
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|
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void ff_simple_idct248_put(uint8_t *dest, int line_size, int16_t *block); |
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|
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void ff_simple_idct84_add(uint8_t *dest, int line_size, int16_t *block);
void ff_simple_idct48_add(uint8_t *dest, int line_size, int16_t *block);
void ff_simple_idct44_add(uint8_t *dest, int line_size, int16_t *block); |
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|
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#endif /* AVCODEC_SIMPLE_IDCT_H */ |