Files
FFmpeg/libavcodec/pngdsp.h
Zhao Zhili f54841d375 avcodec/aarch64: add pngdsp
Test Name                    A55-gcc-11        M1-clang           A76-gcc-12          A510-clang        X3-clang
-------------------------------------------------------------------------------------------------------------------
add_bytes_l2_4096_neon        1807.2 ( 2.01x)    1.6 ( 1.94x)    333.0 ( 6.35x)   1058.2 ( 2.34x)    214.3 ( 1.99x)
add_paeth_prediction_3_neon  33036.1 ( 2.41x)  145.1 ( 1.66x)  20443.3 ( 1.97x)  35225.1 ( 1.23x)  19420.8 ( 1.05x)
add_paeth_prediction_4_neon  24368.6 ( 3.26x)  106.7 ( 2.01x)  15163.8 ( 2.77x)  26454.7 ( 1.62x)  14319.0 ( 1.35x)
add_paeth_prediction_6_neon  17900.6 ( 4.44x)   72.0 ( 2.70x)  10214.3 ( 4.20x)  18296.9 ( 2.27x)   9693.1 ( 1.97x)
add_paeth_prediction_8_neon  12615.4 ( 6.31x)   54.1 ( 2.58x)   7706.0 ( 5.45x)  13733.3 ( 2.94x)   7272.6 ( 2.63x)

Signed-off-by: Zhao Zhili <zhilizhao@tencent.com>
2026-02-04 12:05:35 +08:00

49 lines
1.7 KiB
C

/*
* PNG image format
* Copyright (c) 2008 Loren Merrit <lorenm@u.washington.edu>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* 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
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVCODEC_PNGDSP_H
#define AVCODEC_PNGDSP_H
#include <stdint.h>
#include "libavutil/attributes_internal.h"
typedef struct PNGDSPContext {
void (*add_bytes_l2)(uint8_t *dst,
const uint8_t *src1 /* align 16 */,
const uint8_t *src2, int w);
/* this might write to dst[w] */
void (*add_paeth_prediction)(uint8_t *dst, const uint8_t *src,
const uint8_t *top, int w, int bpp);
} PNGDSPContext;
FF_VISIBILITY_PUSH_HIDDEN
void ff_png_add_paeth_prediction(uint8_t *dst, const uint8_t *src,
const uint8_t *top, int w, int bpp);
void ff_pngdsp_init(PNGDSPContext *dsp);
void ff_pngdsp_init_aarch64(PNGDSPContext *dsp);
void ff_pngdsp_init_x86(PNGDSPContext *dsp);
FF_VISIBILITY_POP_HIDDEN
#endif /* AVCODEC_PNGDSP_H */