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authorMichael Niedermayer <michaelni@gmx.at>2012-04-26 22:24:58 +0200
committerMichael Niedermayer <michaelni@gmx.at>2012-04-26 22:24:58 +0200
commite890b689628634d75e093b24ae257b008fc85443 (patch)
treeaf2189297e3da55438dc0e968633a8a2806fb5fd /libavutil/cpu.c
parentf1f5b39866c4deb7800aa9288010cdbd386da477 (diff)
parent0a07f2b346433a9a2677c69c6b29a1a827e39109 (diff)
downloadffmpeg-e890b689628634d75e093b24ae257b008fc85443.tar.gz
Merge remote-tracking branch 'qatar/master'
* qatar/master: dsputil: fix invalid array indexing configure: add libavresample to rpath build: icc: silence some warnings fft-test: add option to set cpuflag mask cpu: recognise only cpu flag names pertinent to the architecture avutil: add av_parse_cpu_flags() function vp8: armv6: fix non-armv6t2 build vp8: armv6 optimisations vp8: arm: separate ARMv6 functions from NEON ARM: add some compatibility macros mov: support eac3 audio avf: fix faulty check in has_duration Conflicts: configure doc/APIchanges ffmpeg.c libavcodec/arm/Makefile libavcodec/arm/asm.S libavcodec/arm/vp8dsp_armv6.S libavcodec/arm/vp8dsp_init_arm.c libavutil/avutil.h Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavutil/cpu.c')
-rw-r--r--libavutil/cpu.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/libavutil/cpu.c b/libavutil/cpu.c
index 88515b03d4..5fa83b34cc 100644
--- a/libavutil/cpu.c
+++ b/libavutil/cpu.c
@@ -18,6 +18,7 @@
#include "cpu.h"
#include "config.h"
+#include "opt.h"
static int flags, checked;
@@ -46,6 +47,69 @@ void av_set_cpu_flags_mask(int mask)
checked = 1;
}
+int av_parse_cpu_flags(const char *s)
+{
+#define CPUFLAG_MMX2 (AV_CPU_FLAG_MMX | AV_CPU_FLAG_MMX2)
+#define CPUFLAG_3DNOW (AV_CPU_FLAG_3DNOW | AV_CPU_FLAG_MMX)
+#define CPUFLAG_3DNOWEXT (AV_CPU_FLAG_3DNOWEXT | CPUFLAG_3DNOW)
+#define CPUFLAG_SSE (AV_CPU_FLAG_SSE | CPUFLAG_MMX2)
+#define CPUFLAG_SSE2 (AV_CPU_FLAG_SSE2 | CPUFLAG_SSE)
+#define CPUFLAG_SSE2SLOW (AV_CPU_FLAG_SSE2SLOW | CPUFLAG_SSE2)
+#define CPUFLAG_SSE3 (AV_CPU_FLAG_SSE3 | CPUFLAG_SSE2)
+#define CPUFLAG_SSE3SLOW (AV_CPU_FLAG_SSE3SLOW | CPUFLAG_SSE3)
+#define CPUFLAG_SSSE3 (AV_CPU_FLAG_SSSE3 | CPUFLAG_SSE3)
+#define CPUFLAG_SSE4 (AV_CPU_FLAG_SSE4 | CPUFLAG_SSSE3)
+#define CPUFLAG_SSE42 (AV_CPU_FLAG_SSE42 | CPUFLAG_SSE4)
+#define CPUFLAG_AVX (AV_CPU_FLAG_AVX | CPUFLAG_SSE42)
+#define CPUFLAG_XOP (AV_CPU_FLAG_XOP | CPUFLAG_AVX)
+#define CPUFLAG_FMA4 (AV_CPU_FLAG_FMA4 | CPUFLAG_AVX)
+ static const AVOption cpuflags_opts[] = {
+ { "flags" , NULL, 0, AV_OPT_TYPE_FLAGS, { 0 }, INT64_MIN, INT64_MAX, .unit = "flags" },
+#if ARCH_PPC
+ { "altivec" , NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_ALTIVEC }, .unit = "flags" },
+#elif ARCH_X86
+ { "mmx" , NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_MMX }, .unit = "flags" },
+ { "mmx2" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_MMX2 }, .unit = "flags" },
+ { "sse" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_SSE }, .unit = "flags" },
+ { "sse2" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_SSE2 }, .unit = "flags" },
+ { "sse2slow", NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_SSE2SLOW }, .unit = "flags" },
+ { "sse3" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_SSE3 }, .unit = "flags" },
+ { "sse3slow", NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_SSE3SLOW }, .unit = "flags" },
+ { "ssse3" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_SSSE3 }, .unit = "flags" },
+ { "atom" , NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_ATOM }, .unit = "flags" },
+ { "sse4.1" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_SSE4 }, .unit = "flags" },
+ { "sse4.2" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_SSE42 }, .unit = "flags" },
+ { "avx" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_AVX }, .unit = "flags" },
+ { "xop" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_XOP }, .unit = "flags" },
+ { "fma4" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_FMA4 }, .unit = "flags" },
+ { "3dnow" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_3DNOW }, .unit = "flags" },
+ { "3dnowext", NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_3DNOWEXT }, .unit = "flags" },
+#elif ARCH_ARM
+ { "armv5te", NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_ARMV5TE }, .unit = "flags" },
+ { "armv6", NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_ARMV6 }, .unit = "flags" },
+ { "armv6t2", NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_ARMV6T2 }, .unit = "flags" },
+ { "vfp", NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_VFP }, .unit = "flags" },
+ { "vfpv3", NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_VFPV3 }, .unit = "flags" },
+ { "neon", NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_NEON }, .unit = "flags" },
+#endif
+ { NULL },
+ };
+ static const AVClass class = {
+ .class_name = "cpuflags",
+ .item_name = av_default_item_name,
+ .option = cpuflags_opts,
+ .version = LIBAVUTIL_VERSION_INT,
+ };
+
+ int flags = 0, ret;
+ const AVClass *pclass = &class;
+
+ if ((ret = av_opt_eval_flags(&pclass, &cpuflags_opts[0], s, &flags)) < 0)
+ return ret;
+
+ return flags & INT_MAX;
+}
+
#ifdef TEST
#undef printf