virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-11-21 10:55:51 +02:00
Code Issues Releases Activity

Merge commit '2ddb35b91131115c094d90e04031451023441b4d'

Browse Source 
* commit '2ddb35b91131115c094d90e04031451023441b4d':
  x86: dsputil: Separate ff_add_hfyu_median_prediction_cmov from dsputil_mmx

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-10-06 11:49:22 +02:00
commit c86955d24a
3 changed files with 67 additions and 39 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
libavcodec/x86/Makefile
View File

@ -6,7 +6,8 @@ OBJS-$(CONFIG_AC3DSP) += x86/ac3dsp_init.o
OBJS-$(CONFIG_CAVS_DECODER) += x86/cavsdsp.o
OBJS-$(CONFIG_DCT) += x86/dct_init.o
OBJS-$(CONFIG_DNXHD_ENCODER) += x86/dnxhdenc.o
OBJS-$(CONFIG_DSPUTIL) += x86/dsputil_init.o
OBJS-$(CONFIG_DSPUTIL) += x86/dsputil_init.o \
x86/dsputil_x86.o
OBJS-$(CONFIG_ENCODERS) += x86/dsputilenc_mmx.o \
x86/fdct.o \
x86/motion_est.o

38
libavcodec/x86/dsputil_mmx.c
View File

@ -252,44 +252,6 @@ void ff_add_bytes_mmx(uint8_t *dst, uint8_t *src, int w)
dst[i + 0] += src[i + 0];
}
#if HAVE_7REGS
void ff_add_hfyu_median_prediction_cmov(uint8_t *dst, const uint8_t *top,
const uint8_t *diff, int w,
int *left, int *left_top)
{
x86_reg w2 = -w;
x86_reg x;
int l = *left & 0xff;
int tl = *left_top & 0xff;
int t;
__asm__ volatile (
"mov %7, %3 \n"
"1: \n"
"movzbl (%3, %4), %2 \n"
"mov %2, %k3 \n"
"sub %b1, %b3 \n"
"add %b0, %b3 \n"
"mov %2, %1 \n"
"cmp %0, %2 \n"
"cmovg %0, %2 \n"
"cmovg %1, %0 \n"
"cmp %k3, %0 \n"
"cmovg %k3, %0 \n"
"mov %7, %3 \n"
"cmp %2, %0 \n"
"cmovl %2, %0 \n"
"add (%6, %4), %b0 \n"
"mov %b0, (%5, %4) \n"
"inc %4 \n"
"jl 1b \n"
: "+&q"(l), "+&q"(tl), "=&r"(t), "=&q"(x), "+&r"(w2)
: "r"(dst + w), "r"(diff + w), "rm"(top + w)
);
*left = l;
*left_top = tl;
}
#endif
/* Draw the edges of width 'w' of an image of size width, height
* this MMX version can only handle w == 8 || w == 16. */
void ff_draw_edges_mmx(uint8_t *buf, int wrap, int width, int height,

65
libavcodec/x86/dsputil_x86.c Normal file
View File

@ -0,0 +1,65 @@
/*
* Copyright (c) 2009 Loren Merritt <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 "config.h"
#include "libavutil/x86/asm.h"
#include "dsputil_x86.h"
#if HAVE_INLINE_ASM
#if HAVE_7REGS
void ff_add_hfyu_median_prediction_cmov(uint8_t *dst, const uint8_t *top,
const uint8_t *diff, int w,
int *left, int *left_top)
{
x86_reg w2 = -w;
x86_reg x;
int l = *left & 0xff;
int tl = *left_top & 0xff;
int t;
__asm__ volatile (
"mov %7, %3 \n"
"1: \n"
"movzbl (%3, %4), %2 \n"
"mov %2, %k3 \n"
"sub %b1, %b3 \n"
"add %b0, %b3 \n"
"mov %2, %1 \n"
"cmp %0, %2 \n"
"cmovg %0, %2 \n"
"cmovg %1, %0 \n"
"cmp %k3, %0 \n"
"cmovg %k3, %0 \n"
"mov %7, %3 \n"
"cmp %2, %0 \n"
"cmovl %2, %0 \n"
"add (%6, %4), %b0 \n"
"mov %b0, (%5, %4) \n"
"inc %4 \n"
"jl 1b \n"
: "+&q"(l), "+&q"(tl), "=&r"(t), "=&q"(x), "+&r"(w2)
: "r"(dst + w), "r"(diff + w), "rm"(top + w)
);
*left = l;
*left_top = tl;
}
#endif
#endif /* HAVE_INLINE_ASM */