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| author | Stefano Sabatini <stefano.sabatini-lala@poste.it> | 2010-09-08 15:07:14 +0000 |
|---|---|---|
| committer | Stefano Sabatini <stefano.sabatini-lala@poste.it> | 2010-09-08 15:07:14 +0000 |
| commit | c6c98d0897ce1e040d041a655fb3e7dc14e96c45 (patch) | |
| tree | c4a37da46c09d39c84e91b7a9159633bc2a30d89 /libavutil/cpu.c | |
| parent | 9ec7458ddfe3da9537f225e35670d99f98b654eb (diff) | |
| download | ffmpeg-c6c98d0897ce1e040d041a655fb3e7dc14e96c45.tar.gz | |
Move mm_support() from libavcodec to libavutil, make it a public
function and rename it to av_get_cpu_flags().
Originally committed as revision 25076 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavutil/cpu.c')
| -rw-r--r-- | libavutil/cpu.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/libavutil/cpu.c b/libavutil/cpu.c new file mode 100644 index 0000000000..fb37edb879 --- /dev/null +++ b/libavutil/cpu.c @@ -0,0 +1,66 @@ +/* + * 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 "cpu.h" +#include "config.h" + +#if ARCH_ARM +# include "arm/cpu.h" +#elif ARCH_PPC +# include "ppc/cpu.h" +#elif ARCH_X86 +# include "x86/cpu.h" +#else +int av_get_cpu_flags(void) +{ + return 0; +} +#endif + +#ifdef TEST + +#undef printf + +int main(void) +{ + int cpu_flags = av_get_cpu_flags(); + + printf("cpu_flags = 0x%08X\n", cpu_flags); + printf("cpu_flags = %s%s%s%s%s%s%s%s%s%s%s%s\n", +#if ARCH_ARM + cpu_flags & AV_CPU_FLAG_IWMMXT ? "IWMMXT " : "", +#elif ARCH_PPC + cpu_flags & AV_CPU_FLAG_ALTIVEC ? "ALTIVEC " : "", +#elif ARCH_X86 + cpu_flags & AV_CPU_FLAG_MMX ? "MMX " : "", + cpu_flags & AV_CPU_FLAG_MMX2 ? "MMX2 " : "", + cpu_flags & AV_CPU_FLAG_SSE ? "SSE " : "", + cpu_flags & AV_CPU_FLAG_SSE2 ? "SSE2 " : "", + cpu_flags & AV_CPU_FLAG_SSE2SLOW ? "SSE2(slow) " : "", + cpu_flags & AV_CPU_FLAG_SSE3 ? "SSE3 " : "", + cpu_flags & AV_CPU_FLAG_SSE3SLOW ? "SSE3(slow) " : "", + cpu_flags & AV_CPU_FLAG_SSSE3 ? "SSSE3 " : "", + cpu_flags & AV_CPU_FLAG_SSE4 ? "SSE4.1 " : "", + cpu_flags & AV_CPU_FLAG_SSE42 ? "SSE4.2 " : "", + cpu_flags & AV_CPU_FLAG_3DNOW ? "3DNow " : "", + cpu_flags & AV_CPU_FLAG_3DNOWEXT ? "3DNowExt " : ""); +#endif + return 0; +} + +#endif |