cmdutils/avutil: Move cpu caps parse code into av_parse_cpu_caps()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

3 files changed, 51 insertions, 1 deletions

diff --git a/libavutil/avutil.h b/libavutil/avutil.h
index 1a9139e1ad..04b0277900 100644
--- a/libavutil/avutil.h
+++ b/libavutil/avutil.h
@@ -153,7 +153,7 @@
  */
 
 #define LIBAVUTIL_VERSION_MAJOR 51
-#define LIBAVUTIL_VERSION_MINOR 48
+#define LIBAVUTIL_VERSION_MINOR 49
 #define LIBAVUTIL_VERSION_MICRO 100
 
 #define LIBAVUTIL_VERSION_INT   AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
diff --git a/libavutil/cpu.c b/libavutil/cpu.c
index 5fa83b34cc..b911880cad 100644
--- a/libavutil/cpu.c
+++ b/libavutil/cpu.c
@@ -110,6 +110,49 @@ int av_parse_cpu_flags(const char *s)
     return flags & INT_MAX;
 }
 
+int av_parse_cpu_caps(unsigned *flags, const char *s)
+{
+        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, { AV_CPU_FLAG_MMX2     },    .unit = "flags" },
+        { "sse"     , NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_SSE      },    .unit = "flags" },
+        { "sse2"    , NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_SSE2     },    .unit = "flags" },
+        { "sse2slow", NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_SSE2SLOW },    .unit = "flags" },
+        { "sse3"    , NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_SSE3     },    .unit = "flags" },
+        { "sse3slow", NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_SSE3SLOW },    .unit = "flags" },
+        { "ssse3"   , NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_SSSE3    },    .unit = "flags" },
+        { "atom"    , NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_ATOM     },    .unit = "flags" },
+        { "sse4.1"  , NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_SSE4     },    .unit = "flags" },
+        { "sse4.2"  , NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_SSE42    },    .unit = "flags" },
+        { "avx"     , NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_AVX      },    .unit = "flags" },
+        { "xop"     , NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_XOP      },    .unit = "flags" },
+        { "fma4"    , NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_FMA4     },    .unit = "flags" },
+        { "3dnow"   , NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_3DNOW    },    .unit = "flags" },
+        { "3dnowext", NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_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,
+    };
+    const AVClass *pclass = &class;
+
+    return av_opt_eval_flags(&pclass, &cpuflags_opts[0], s, flags);
+}
 #ifdef TEST
 
 #undef printf
diff --git a/libavutil/cpu.h b/libavutil/cpu.h
index 4a86e6e9b3..a72b008618 100644
--- a/libavutil/cpu.h
+++ b/libavutil/cpu.h
@@ -79,6 +79,13 @@ attribute_deprecated void av_set_cpu_flags_mask(int mask);
  */
 int av_parse_cpu_flags(const char *s);
 
+/**
+ * Parse CPU caps from a string and update the given AV_CPU_* flags based on that.
+ *
+ * @return negative on error.
+ */
+int av_parse_cpu_caps(unsigned *flags, const char *s);
+
 /* The following CPU-specific functions shall not be called directly. */
 int ff_get_cpu_flags_arm(void);
 int ff_get_cpu_flags_ppc(void);