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.
47 lines
1.7 KiB
47 lines
1.7 KiB
/* |
|
* SIMD-optimized pixel operations |
|
* |
|
* This file is part of Libav. |
|
* |
|
* Libav 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. |
|
* |
|
* Libav 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 Libav; if not, write to the Free Software |
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
|
*/ |
|
|
|
#include "libavutil/attributes.h" |
|
#include "libavutil/cpu.h" |
|
#include "libavutil/x86/cpu.h" |
|
#include "libavcodec/pixblockdsp.h" |
|
|
|
void ff_get_pixels_mmx(int16_t *block, const uint8_t *pixels, ptrdiff_t stride); |
|
void ff_get_pixels_sse2(int16_t *block, const uint8_t *pixels, ptrdiff_t stride); |
|
void ff_diff_pixels_mmx(int16_t *block, const uint8_t *s1, const uint8_t *s2, |
|
ptrdiff_t stride); |
|
|
|
av_cold void ff_pixblockdsp_init_x86(PixblockDSPContext *c, |
|
AVCodecContext *avctx, |
|
unsigned high_bit_depth) |
|
{ |
|
int cpu_flags = av_get_cpu_flags(); |
|
|
|
if (EXTERNAL_MMX(cpu_flags)) { |
|
if (!high_bit_depth) |
|
c->get_pixels = ff_get_pixels_mmx; |
|
c->diff_pixels = ff_diff_pixels_mmx; |
|
} |
|
|
|
if (EXTERNAL_SSE2(cpu_flags)) { |
|
if (!high_bit_depth) |
|
c->get_pixels = ff_get_pixels_sse2; |
|
} |
|
}
|
|
|