mirror of
https://github.com/FFmpeg/FFmpeg.git
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71 lines
2.2 KiB
C
71 lines
2.2 KiB
C
/*
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* This file is part of FFmpeg.
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*
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* FFmpeg 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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* FFmpeg 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 FFmpeg; 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 <stdio.h>
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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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int main(void)
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{
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int cpu_flags = av_get_cpu_flags();
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printf("cpu_flags = 0x%08X\n", cpu_flags);
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printf("cpu_flags = %s%s%s%s%s%s%s%s%s%s%s%s\n",
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#if ARCH_ARM
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cpu_flags & AV_CPU_FLAG_IWMMXT ? "IWMMXT " : "",
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#elif ARCH_PPC
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cpu_flags & AV_CPU_FLAG_ALTIVEC ? "ALTIVEC " : "",
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#elif ARCH_X86
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cpu_flags & AV_CPU_FLAG_MMX ? "MMX " : "",
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cpu_flags & AV_CPU_FLAG_MMX2 ? "MMX2 " : "",
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cpu_flags & AV_CPU_FLAG_SSE ? "SSE " : "",
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cpu_flags & AV_CPU_FLAG_SSE2 ? "SSE2 " : "",
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cpu_flags & AV_CPU_FLAG_SSE2SLOW ? "SSE2(slow) " : "",
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cpu_flags & AV_CPU_FLAG_SSE3 ? "SSE3 " : "",
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cpu_flags & AV_CPU_FLAG_SSE3SLOW ? "SSE3(slow) " : "",
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cpu_flags & AV_CPU_FLAG_SSSE3 ? "SSSE3 " : "",
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cpu_flags & AV_CPU_FLAG_SSE4 ? "SSE4.1 " : "",
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cpu_flags & AV_CPU_FLAG_SSE42 ? "SSE4.2 " : "",
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cpu_flags & AV_CPU_FLAG_3DNOW ? "3DNow " : "",
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cpu_flags & AV_CPU_FLAG_3DNOWEXT ? "3DNowExt " : "");
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#endif
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return 0;
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}
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#endif
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