mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
49 lines
1.9 KiB
49 lines
1.9 KiB
/* |
|
* x86 PNG optimizations. |
|
* 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 |
|
*/ |
|
|
|
#include "libavutil/common.h" |
|
#include "libavutil/x86/cpu.h" |
|
#include "libavcodec/pngdsp.h" |
|
|
|
void ff_add_png_paeth_prediction_mmxext(uint8_t *dst, uint8_t *src, |
|
uint8_t *top, int w, int bpp); |
|
void ff_add_png_paeth_prediction_ssse3(uint8_t *dst, uint8_t *src, |
|
uint8_t *top, int w, int bpp); |
|
void ff_add_bytes_l2_mmx (uint8_t *dst, uint8_t *src1, |
|
uint8_t *src2, int w); |
|
void ff_add_bytes_l2_sse2(uint8_t *dst, uint8_t *src1, |
|
uint8_t *src2, int w); |
|
|
|
void ff_pngdsp_init_x86(PNGDSPContext *dsp) |
|
{ |
|
int flags = av_get_cpu_flags(); |
|
|
|
#if ARCH_X86_32 |
|
if (EXTERNAL_MMX(flags)) |
|
dsp->add_bytes_l2 = ff_add_bytes_l2_mmx; |
|
#endif |
|
if (EXTERNAL_MMXEXT(flags)) |
|
dsp->add_paeth_prediction = ff_add_png_paeth_prediction_mmxext; |
|
if (EXTERNAL_SSE2(flags)) |
|
dsp->add_bytes_l2 = ff_add_bytes_l2_sse2; |
|
if (EXTERNAL_SSSE3(flags)) |
|
dsp->add_paeth_prediction = ff_add_png_paeth_prediction_ssse3; |
|
}
|
|
|