FFmpeg
pngdsp_init.c
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1 /*
2  * x86 PNG optimizations.
3  * Copyright (c) 2008 Loren Merrit <lorenm@u.washington.edu>
4  *
5  * This file is part of FFmpeg.
6  *
7  * FFmpeg is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * FFmpeg is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with FFmpeg; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20  */
21 
22 #include "libavutil/attributes.h"
23 #include "libavutil/common.h"
24 #include "libavutil/x86/cpu.h"
25 #include "libavcodec/pngdsp.h"
26 
27 void ff_add_png_paeth_prediction_mmxext(uint8_t *dst, uint8_t *src,
28  uint8_t *top, int w, int bpp);
29 void ff_add_png_paeth_prediction_ssse3(uint8_t *dst, uint8_t *src,
30  uint8_t *top, int w, int bpp);
31 void ff_add_bytes_l2_mmx (uint8_t *dst, uint8_t *src1,
32  uint8_t *src2, int w);
33 void ff_add_bytes_l2_sse2(uint8_t *dst, uint8_t *src1,
34  uint8_t *src2, int w);
35 
37 {
39 
40 #if ARCH_X86_32
43 #endif
50 }
PNGDSPContext
Definition: pngdsp.h:27
ff_add_bytes_l2_sse2
void ff_add_bytes_l2_sse2(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w)
cpu.h
PNGDSPContext::add_paeth_prediction
void(* add_paeth_prediction)(uint8_t *dst, uint8_t *src, uint8_t *top, int w, int bpp)
Definition: pngdsp.h:33
w
uint8_t w
Definition: llviddspenc.c:38
ff_add_png_paeth_prediction_ssse3
void ff_add_png_paeth_prediction_ssse3(uint8_t *dst, uint8_t *src, uint8_t *top, int w, int bpp)
av_get_cpu_flags
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:96
cpu_flags
static atomic_int cpu_flags
Definition: cpu.c:50
pngdsp.h
av_cold
#define av_cold
Definition: attributes.h:90
src
#define src
Definition: vp8dsp.c:255
ff_add_png_paeth_prediction_mmxext
void ff_add_png_paeth_prediction_mmxext(uint8_t *dst, uint8_t *src, uint8_t *top, int w, int bpp)
attributes.h
EXTERNAL_SSE2
#define EXTERNAL_SSE2(flags)
Definition: cpu.h:59
src1
#define src1
Definition: h264pred.c:140
PNGDSPContext::add_bytes_l2
void(* add_bytes_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w)
Definition: pngdsp.h:28
ff_pngdsp_init_x86
av_cold void ff_pngdsp_init_x86(PNGDSPContext *dsp)
Definition: pngdsp_init.c:36
common.h
ff_add_bytes_l2_mmx
void ff_add_bytes_l2_mmx(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w)
EXTERNAL_SSSE3
#define EXTERNAL_SSSE3(flags)
Definition: cpu.h:65
EXTERNAL_MMX
#define EXTERNAL_MMX(flags)
Definition: cpu.h:56
EXTERNAL_MMXEXT
#define EXTERNAL_MMXEXT(flags)
Definition: cpu.h:57