mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-11-21 10:55:51 +02:00
51 lines
1.8 KiB
C
51 lines
1.8 KiB
C
/*
|
|
* SIMD-optimized pixel operations
|
|
*
|
|
* 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/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 line_size);
|
|
void ff_get_pixels_sse2(int16_t *block, const uint8_t *pixels, ptrdiff_t line_size);
|
|
void ff_diff_pixels_mmx(int16_t *block, const uint8_t *s1, const uint8_t *s2,
|
|
int stride);
|
|
void ff_diff_pixels_sse2(int16_t *block, const uint8_t *s1, const uint8_t *s2,
|
|
int 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;
|
|
c->diff_pixels = ff_diff_pixels_sse2;
|
|
}
|
|
}
|