/*
* 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 <stddef.h>
#include <stdint.h>
#include "libavutil/cpu.h"
#include "libavutil/error.h"
#include "libavutil/imgutils_internal.h"
#include "libavutil/macros.h"
#include "cpu.h"
void ff_image_copy_plane_uc_from_sse4(uint8_t *dst, ptrdiff_t dst_linesize,
const uint8_t *src, ptrdiff_t src_linesize,
ptrdiff_t bytewidth, int height);
int ff_image_copy_plane_uc_from_x86(uint8_t *dst, ptrdiff_t dst_linesize,
const uint8_t *src, ptrdiff_t src_linesize,
ptrdiff_t bytewidth, int height)
{
int cpu_flags = av_get_cpu_flags();
ptrdiff_t bw_aligned = FFALIGN(bytewidth, 64 );
if (EXTERNAL_SSE4(cpu_flags) &&
bw_aligned <= dst_linesize && bw_aligned <= src_linesize)
ff_image_copy_plane_uc_from_sse4(dst, dst_linesize, src, src_linesize,
bw_aligned, height);
else
return AVERROR(ENOSYS);
return 0 ;
}
Messung V0.5 in Prozent C=96 H=98 G=96
¤ Dauer der Verarbeitung: 0.4 Sekunden
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