mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-11-26 19:01:44 +02:00
363bd1c62c
The were broken since August of 2010 without anyone noticing until three weeks ago. Nobody cares about it anymore and hopefully Marvell will support NEON like in the PXA978 from now on.
94 lines
2.4 KiB
C
94 lines
2.4 KiB
C
/*
|
|
* 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 "cpu.h"
|
|
#include "config.h"
|
|
|
|
static int cpuflags_mask = -1, checked;
|
|
|
|
int av_get_cpu_flags(void)
|
|
{
|
|
static int flags;
|
|
|
|
if (checked)
|
|
return flags;
|
|
|
|
if (ARCH_PPC) flags = ff_get_cpu_flags_ppc();
|
|
if (ARCH_X86) flags = ff_get_cpu_flags_x86();
|
|
|
|
flags &= cpuflags_mask;
|
|
checked = 1;
|
|
|
|
return flags;
|
|
}
|
|
|
|
void av_set_cpu_flags_mask(int mask)
|
|
{
|
|
cpuflags_mask = mask;
|
|
checked = 0;
|
|
}
|
|
|
|
#ifdef TEST
|
|
|
|
#undef printf
|
|
#include <stdio.h>
|
|
|
|
static const struct {
|
|
int flag;
|
|
const char *name;
|
|
} cpu_flag_tab[] = {
|
|
#if ARCH_PPC
|
|
{ AV_CPU_FLAG_ALTIVEC, "altivec" },
|
|
#elif ARCH_X86
|
|
{ AV_CPU_FLAG_MMX, "mmx" },
|
|
{ AV_CPU_FLAG_MMX2, "mmx2" },
|
|
{ AV_CPU_FLAG_SSE, "sse" },
|
|
{ AV_CPU_FLAG_SSE2, "sse2" },
|
|
{ AV_CPU_FLAG_SSE2SLOW, "sse2(slow)" },
|
|
{ AV_CPU_FLAG_SSE3, "sse3" },
|
|
{ AV_CPU_FLAG_SSE3SLOW, "sse3(slow)" },
|
|
{ AV_CPU_FLAG_SSSE3, "ssse3" },
|
|
{ AV_CPU_FLAG_ATOM, "atom" },
|
|
{ AV_CPU_FLAG_SSE4, "sse4.1" },
|
|
{ AV_CPU_FLAG_SSE42, "sse4.2" },
|
|
{ AV_CPU_FLAG_AVX, "avx" },
|
|
{ AV_CPU_FLAG_XOP, "xop" },
|
|
{ AV_CPU_FLAG_FMA4, "fma4" },
|
|
{ AV_CPU_FLAG_3DNOW, "3dnow" },
|
|
{ AV_CPU_FLAG_3DNOWEXT, "3dnowext" },
|
|
#endif
|
|
{ 0 }
|
|
};
|
|
|
|
int main(void)
|
|
{
|
|
int cpu_flags = av_get_cpu_flags();
|
|
int i;
|
|
|
|
printf("cpu_flags = 0x%08X\n", cpu_flags);
|
|
printf("cpu_flags =");
|
|
for (i = 0; cpu_flag_tab[i].flag; i++)
|
|
if (cpu_flags & cpu_flag_tab[i].flag)
|
|
printf(" %s", cpu_flag_tab[i].name);
|
|
printf("\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
#endif
|