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authorStefano Sabatini <stefano.sabatini-lala@poste.it>2010-09-08 15:07:14 +0000
committerStefano Sabatini <stefano.sabatini-lala@poste.it>2010-09-08 15:07:14 +0000
commitc6c98d0897ce1e040d041a655fb3e7dc14e96c45 (patch)
treec4a37da46c09d39c84e91b7a9159633bc2a30d89 /libavutil/cpu.c
parent9ec7458ddfe3da9537f225e35670d99f98b654eb (diff)
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.c66
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