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https://git.ffmpeg.org/ffmpeg.git
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87 lines
2.4 KiB
C
87 lines
2.4 KiB
C
/*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* Libav is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "cpu.h"
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#include "config.h"
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int av_get_cpu_flags(void)
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{
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static int flags, checked;
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if (checked)
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return flags;
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if (ARCH_ARM) flags = ff_get_cpu_flags_arm();
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if (ARCH_PPC) flags = ff_get_cpu_flags_ppc();
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if (ARCH_X86) flags = ff_get_cpu_flags_x86();
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checked = 1;
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return flags;
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}
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#ifdef TEST
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#undef printf
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#include <stdio.h>
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static const struct {
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int flag;
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const char *name;
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} cpu_flag_tab[] = {
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#if ARCH_ARM
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{ AV_CPU_FLAG_IWMMXT, "iwmmxt" },
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#elif ARCH_PPC
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{ AV_CPU_FLAG_ALTIVEC, "altivec" },
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#elif ARCH_X86
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{ AV_CPU_FLAG_MMX, "mmx" },
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{ AV_CPU_FLAG_MMX2, "mmx2" },
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{ AV_CPU_FLAG_SSE, "sse" },
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{ AV_CPU_FLAG_SSE2, "sse2" },
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{ AV_CPU_FLAG_SSE2SLOW, "sse2(slow)" },
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{ AV_CPU_FLAG_SSE3, "sse3" },
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{ AV_CPU_FLAG_SSE3SLOW, "sse3(slow)" },
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{ AV_CPU_FLAG_SSSE3, "ssse3" },
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{ AV_CPU_FLAG_ATOM, "atom" },
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{ AV_CPU_FLAG_SSE4, "sse4.1" },
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{ AV_CPU_FLAG_SSE42, "sse4.2" },
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{ AV_CPU_FLAG_AVX, "avx" },
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{ AV_CPU_FLAG_XOP, "xop" },
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{ AV_CPU_FLAG_FMA4, "fma4" },
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{ AV_CPU_FLAG_3DNOW, "3dnow" },
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{ AV_CPU_FLAG_3DNOWEXT, "3dnowext" },
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#endif
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{ 0 }
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};
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int main(void)
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{
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int cpu_flags = av_get_cpu_flags();
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int i;
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printf("cpu_flags = 0x%08X\n", cpu_flags);
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printf("cpu_flags =");
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for (i = 0; cpu_flag_tab[i].flag; i++)
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if (cpu_flags & cpu_flag_tab[i].flag)
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printf(" %s", cpu_flag_tab[i].name);
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printf("\n");
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return 0;
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}
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#endif
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