mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-11-26 19:01:44 +02:00
74fed968d1
* commit '82dd1026cfc1d72b04019185bea4c1c9621ace3f': x86: dsputil: Move hpeldsp-related declarations to a separate header Conflicts: libavcodec/x86/dsputil_x86.h Merged-by: Michael Niedermayer <michaelni@gmx.at>
54 lines
1.6 KiB
C
54 lines
1.6 KiB
C
/*
|
|
* MMX-optimized avg/put pixel routines
|
|
*
|
|
* Copyright (c) 2001 Fabrice Bellard
|
|
*
|
|
* 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 "config.h"
|
|
#include "hpeldsp.h"
|
|
#include "inline_asm.h"
|
|
|
|
#if HAVE_MMX_INLINE
|
|
|
|
void ff_avg_pixels8_x2_mmx(uint8_t *block, const uint8_t *pixels,
|
|
ptrdiff_t line_size, int h)
|
|
{
|
|
MOVQ_BFE(mm6);
|
|
JUMPALIGN();
|
|
do {
|
|
__asm__ volatile(
|
|
"movq %1, %%mm0 \n\t"
|
|
"movq 1%1, %%mm1 \n\t"
|
|
"movq %0, %%mm3 \n\t"
|
|
PAVGB_MMX(%%mm0, %%mm1, %%mm2, %%mm6)
|
|
PAVGB_MMX(%%mm3, %%mm2, %%mm0, %%mm6)
|
|
"movq %%mm0, %0 \n\t"
|
|
:"+m"(*block)
|
|
:"m"(*pixels)
|
|
:"memory");
|
|
pixels += line_size;
|
|
block += line_size;
|
|
} while (--h);
|
|
}
|
|
|
|
#endif /* HAVE_MMX_INLINE */
|