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a4800643bb
The alignment of all the parameters in diff_bytes can be
anything the despite the documentation claiming otherwise.
8ecd383122 was based around
said documentation and is therefore insufficient to fix
e.g. the misaligned loads that happen in the huffyuvbgra
and huffyuvbgr24 vsynth FATE-tests.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
47 lines
1.7 KiB
C
47 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_LOSSLESS_VIDEOENCDSP_H
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#define AVCODEC_LOSSLESS_VIDEOENCDSP_H
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#include <stddef.h>
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#include <stdint.h>
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typedef struct LLVidEncDSPContext {
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void (*diff_bytes)(uint8_t *dst /* align 1 */,
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const uint8_t *src1 /* align 1 */,
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const uint8_t *src2 /* align 1 */,
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intptr_t w);
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/**
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* Subtract HuffYUV's variant of median prediction.
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* Note, this might read from src1[-1], src2[-1].
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*/
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void (*sub_median_pred)(uint8_t *dst, const uint8_t *src1,
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const uint8_t *src2, intptr_t w,
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int *left, int *left_top);
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void (*sub_left_predict)(uint8_t *dst, const uint8_t *src,
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ptrdiff_t stride, ptrdiff_t width, int height);
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} LLVidEncDSPContext;
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void ff_llvidencdsp_init(LLVidEncDSPContext *c);
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void ff_llvidencdsp_init_riscv(LLVidEncDSPContext *c);
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void ff_llvidencdsp_init_x86(LLVidEncDSPContext *c);
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#endif /* AVCODEC_LOSSLESS_VIDEOENCDSP_H */
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