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https://github.com/FFmpeg/FFmpeg.git
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7be79c76d3
This avoids potential issues with the high 32bits being random in x86-64 asm Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
53 lines
1.7 KiB
C
53 lines
1.7 KiB
C
/*
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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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#ifndef AVCODEC_HUFFYUVDSP_H
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#define AVCODEC_HUFFYUVDSP_H
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#include <stdint.h>
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#if HAVE_BIGENDIAN
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#define B 3
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#define G 2
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#define R 1
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#define A 0
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#else
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#define B 0
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#define G 1
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#define R 2
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#define A 3
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#endif
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typedef struct HuffYUVDSPContext {
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void (*add_bytes)(uint8_t *dst /* align 16 */, uint8_t *src /* align 16 */,
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intptr_t w);
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void (*add_hfyu_median_pred)(uint8_t *dst, const uint8_t *top,
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const uint8_t *diff, intptr_t w,
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int *left, int *left_top);
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int (*add_hfyu_left_pred)(uint8_t *dst, const uint8_t *src,
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intptr_t w, int left);
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void (*add_hfyu_left_pred_bgr32)(uint8_t *dst, const uint8_t *src,
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intptr_t w, uint8_t *left);
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} HuffYUVDSPContext;
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void ff_huffyuvdsp_init(HuffYUVDSPContext *c);
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void ff_huffyuvdsp_init_ppc(HuffYUVDSPContext *c);
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void ff_huffyuvdsp_init_x86(HuffYUVDSPContext *c);
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#endif /* AVCODEC_HUFFYUVDSP_H */
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