yading@11: /* yading@11: * This file is part of FFmpeg. yading@11: * yading@11: * FFmpeg is free software; you can redistribute it and/or yading@11: * modify it under the terms of the GNU Lesser General Public yading@11: * License as published by the Free Software Foundation; either yading@11: * version 2.1 of the License, or (at your option) any later version. yading@11: * yading@11: * FFmpeg is distributed in the hope that it will be useful, yading@11: * but WITHOUT ANY WARRANTY; without even the implied warranty of yading@11: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU yading@11: * Lesser General Public License for more details. yading@11: * yading@11: * You should have received a copy of the GNU Lesser General Public yading@11: * License along with FFmpeg; if not, write to the Free Software yading@11: * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA yading@11: */ yading@11: yading@11: #include "cpu.h" yading@11: #include "config.h" yading@11: #include "opt.h" yading@11: yading@11: static int flags, checked; yading@11: yading@11: void av_force_cpu_flags(int arg){ yading@11: flags = arg; yading@11: checked = arg != -1; yading@11: } yading@11: yading@11: int av_get_cpu_flags(void) yading@11: { yading@11: if (checked) yading@11: return flags; yading@11: yading@11: if (ARCH_ARM) flags = ff_get_cpu_flags_arm(); yading@11: if (ARCH_PPC) flags = ff_get_cpu_flags_ppc(); yading@11: if (ARCH_X86) flags = ff_get_cpu_flags_x86(); yading@11: yading@11: checked = 1; yading@11: return flags; yading@11: } yading@11: yading@11: void av_set_cpu_flags_mask(int mask) yading@11: { yading@11: checked = 0; yading@11: flags = av_get_cpu_flags() & mask; yading@11: checked = 1; yading@11: } yading@11: yading@11: int av_parse_cpu_flags(const char *s) yading@11: { yading@11: #define CPUFLAG_MMXEXT (AV_CPU_FLAG_MMX | AV_CPU_FLAG_MMXEXT | AV_CPU_FLAG_CMOV) yading@11: #define CPUFLAG_3DNOW (AV_CPU_FLAG_3DNOW | AV_CPU_FLAG_MMX) yading@11: #define CPUFLAG_3DNOWEXT (AV_CPU_FLAG_3DNOWEXT | CPUFLAG_3DNOW) yading@11: #define CPUFLAG_SSE (AV_CPU_FLAG_SSE | CPUFLAG_MMXEXT) yading@11: #define CPUFLAG_SSE2 (AV_CPU_FLAG_SSE2 | CPUFLAG_SSE) yading@11: #define CPUFLAG_SSE2SLOW (AV_CPU_FLAG_SSE2SLOW | CPUFLAG_SSE2) yading@11: #define CPUFLAG_SSE3 (AV_CPU_FLAG_SSE3 | CPUFLAG_SSE2) yading@11: #define CPUFLAG_SSE3SLOW (AV_CPU_FLAG_SSE3SLOW | CPUFLAG_SSE3) yading@11: #define CPUFLAG_SSSE3 (AV_CPU_FLAG_SSSE3 | CPUFLAG_SSE3) yading@11: #define CPUFLAG_SSE4 (AV_CPU_FLAG_SSE4 | CPUFLAG_SSSE3) yading@11: #define CPUFLAG_SSE42 (AV_CPU_FLAG_SSE42 | CPUFLAG_SSE4) yading@11: #define CPUFLAG_AVX (AV_CPU_FLAG_AVX | CPUFLAG_SSE42) yading@11: #define CPUFLAG_XOP (AV_CPU_FLAG_XOP | CPUFLAG_AVX) yading@11: #define CPUFLAG_FMA4 (AV_CPU_FLAG_FMA4 | CPUFLAG_AVX) yading@11: static const AVOption cpuflags_opts[] = { yading@11: { "flags" , NULL, 0, AV_OPT_TYPE_FLAGS, { .i64 = 0 }, INT64_MIN, INT64_MAX, .unit = "flags" }, yading@11: #if ARCH_PPC yading@11: { "altivec" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_ALTIVEC }, .unit = "flags" }, yading@11: #elif ARCH_X86 yading@11: { "mmx" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_MMX }, .unit = "flags" }, yading@11: { "mmxext" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPUFLAG_MMXEXT }, .unit = "flags" }, yading@11: { "sse" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPUFLAG_SSE }, .unit = "flags" }, yading@11: { "sse2" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPUFLAG_SSE2 }, .unit = "flags" }, yading@11: { "sse2slow", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPUFLAG_SSE2SLOW }, .unit = "flags" }, yading@11: { "sse3" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPUFLAG_SSE3 }, .unit = "flags" }, yading@11: { "sse3slow", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPUFLAG_SSE3SLOW }, .unit = "flags" }, yading@11: { "ssse3" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPUFLAG_SSSE3 }, .unit = "flags" }, yading@11: { "atom" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_ATOM }, .unit = "flags" }, yading@11: { "sse4.1" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPUFLAG_SSE4 }, .unit = "flags" }, yading@11: { "sse4.2" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPUFLAG_SSE42 }, .unit = "flags" }, yading@11: { "avx" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPUFLAG_AVX }, .unit = "flags" }, yading@11: { "xop" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPUFLAG_XOP }, .unit = "flags" }, yading@11: { "fma4" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPUFLAG_FMA4 }, .unit = "flags" }, yading@11: { "3dnow" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPUFLAG_3DNOW }, .unit = "flags" }, yading@11: { "3dnowext", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPUFLAG_3DNOWEXT }, .unit = "flags" }, yading@11: { "cmov", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_CMOV }, .unit = "flags" }, yading@11: #elif ARCH_ARM yading@11: { "armv5te", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_ARMV5TE }, .unit = "flags" }, yading@11: { "armv6", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_ARMV6 }, .unit = "flags" }, yading@11: { "armv6t2", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_ARMV6T2 }, .unit = "flags" }, yading@11: { "vfp", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_VFP }, .unit = "flags" }, yading@11: { "vfpv3", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_VFPV3 }, .unit = "flags" }, yading@11: { "neon", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_NEON }, .unit = "flags" }, yading@11: #endif yading@11: { NULL }, yading@11: }; yading@11: static const AVClass class = { yading@11: .class_name = "cpuflags", yading@11: .item_name = av_default_item_name, yading@11: .option = cpuflags_opts, yading@11: .version = LIBAVUTIL_VERSION_INT, yading@11: }; yading@11: yading@11: int flags = 0, ret; yading@11: const AVClass *pclass = &class; yading@11: yading@11: if ((ret = av_opt_eval_flags(&pclass, &cpuflags_opts[0], s, &flags)) < 0) yading@11: return ret; yading@11: yading@11: return flags & INT_MAX; yading@11: } yading@11: yading@11: int av_parse_cpu_caps(unsigned *flags, const char *s) yading@11: { yading@11: static const AVOption cpuflags_opts[] = { yading@11: { "flags" , NULL, 0, AV_OPT_TYPE_FLAGS, { .i64 = 0 }, INT64_MIN, INT64_MAX, .unit = "flags" }, yading@11: #if ARCH_PPC yading@11: { "altivec" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_ALTIVEC }, .unit = "flags" }, yading@11: #elif ARCH_X86 yading@11: { "mmx" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_MMX }, .unit = "flags" }, yading@11: { "mmx2" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_MMX2 }, .unit = "flags" }, yading@11: { "mmxext" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_MMX2 }, .unit = "flags" }, yading@11: { "sse" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_SSE }, .unit = "flags" }, yading@11: { "sse2" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_SSE2 }, .unit = "flags" }, yading@11: { "sse2slow", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_SSE2SLOW }, .unit = "flags" }, yading@11: { "sse3" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_SSE3 }, .unit = "flags" }, yading@11: { "sse3slow", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_SSE3SLOW }, .unit = "flags" }, yading@11: { "ssse3" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_SSSE3 }, .unit = "flags" }, yading@11: { "atom" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_ATOM }, .unit = "flags" }, yading@11: { "sse4.1" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_SSE4 }, .unit = "flags" }, yading@11: { "sse4.2" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_SSE42 }, .unit = "flags" }, yading@11: { "avx" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_AVX }, .unit = "flags" }, yading@11: { "xop" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_XOP }, .unit = "flags" }, yading@11: { "fma4" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_FMA4 }, .unit = "flags" }, yading@11: { "3dnow" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_3DNOW }, .unit = "flags" }, yading@11: { "3dnowext", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_3DNOWEXT }, .unit = "flags" }, yading@11: { "cmov", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_CMOV }, .unit = "flags" }, yading@11: yading@11: #define CPU_FLAG_P2 AV_CPU_FLAG_CMOV | AV_CPU_FLAG_MMX yading@11: #define CPU_FLAG_P3 CPU_FLAG_P2 | AV_CPU_FLAG_MMX2 | AV_CPU_FLAG_SSE yading@11: #define CPU_FLAG_P4 CPU_FLAG_P3| AV_CPU_FLAG_SSE2 yading@11: { "pentium2", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPU_FLAG_P2 }, .unit = "flags" }, yading@11: { "pentium3", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPU_FLAG_P3 }, .unit = "flags" }, yading@11: { "pentium4", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPU_FLAG_P4 }, .unit = "flags" }, yading@11: yading@11: #define CPU_FLAG_K62 AV_CPU_FLAG_MMX | AV_CPU_FLAG_3DNOW yading@11: #define CPU_FLAG_ATHLON CPU_FLAG_K62 | AV_CPU_FLAG_CMOV | AV_CPU_FLAG_3DNOWEXT | AV_CPU_FLAG_MMX2 yading@11: #define CPU_FLAG_ATHLONXP CPU_FLAG_ATHLON | AV_CPU_FLAG_SSE yading@11: #define CPU_FLAG_K8 CPU_FLAG_ATHLONXP | AV_CPU_FLAG_SSE2 yading@11: { "k6", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_MMX }, .unit = "flags" }, yading@11: { "k62", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPU_FLAG_K62 }, .unit = "flags" }, yading@11: { "athlon", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPU_FLAG_ATHLON }, .unit = "flags" }, yading@11: { "athlonxp", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPU_FLAG_ATHLONXP }, .unit = "flags" }, yading@11: { "k8", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPU_FLAG_K8 }, .unit = "flags" }, yading@11: #elif ARCH_ARM yading@11: { "armv5te", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_ARMV5TE }, .unit = "flags" }, yading@11: { "armv6", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_ARMV6 }, .unit = "flags" }, yading@11: { "armv6t2", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_ARMV6T2 }, .unit = "flags" }, yading@11: { "vfp", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_VFP }, .unit = "flags" }, yading@11: { "vfpv3", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_VFPV3 }, .unit = "flags" }, yading@11: { "neon", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_NEON }, .unit = "flags" }, yading@11: #endif yading@11: { NULL }, yading@11: }; yading@11: static const AVClass class = { yading@11: .class_name = "cpuflags", yading@11: .item_name = av_default_item_name, yading@11: .option = cpuflags_opts, yading@11: .version = LIBAVUTIL_VERSION_INT, yading@11: }; yading@11: const AVClass *pclass = &class; yading@11: yading@11: return av_opt_eval_flags(&pclass, &cpuflags_opts[0], s, flags); yading@11: } yading@11: #ifdef TEST yading@11: yading@11: #include yading@11: yading@11: static const struct { yading@11: int flag; yading@11: const char *name; yading@11: } cpu_flag_tab[] = { yading@11: #if ARCH_ARM yading@11: { AV_CPU_FLAG_ARMV5TE, "armv5te" }, yading@11: { AV_CPU_FLAG_ARMV6, "armv6" }, yading@11: { AV_CPU_FLAG_ARMV6T2, "armv6t2" }, yading@11: { AV_CPU_FLAG_VFP, "vfp" }, yading@11: { AV_CPU_FLAG_VFPV3, "vfpv3" }, yading@11: { AV_CPU_FLAG_NEON, "neon" }, yading@11: #elif ARCH_PPC yading@11: { AV_CPU_FLAG_ALTIVEC, "altivec" }, yading@11: #elif ARCH_X86 yading@11: { AV_CPU_FLAG_MMX, "mmx" }, yading@11: { AV_CPU_FLAG_MMXEXT, "mmxext" }, yading@11: { AV_CPU_FLAG_SSE, "sse" }, yading@11: { AV_CPU_FLAG_SSE2, "sse2" }, yading@11: { AV_CPU_FLAG_SSE2SLOW, "sse2(slow)" }, yading@11: { AV_CPU_FLAG_SSE3, "sse3" }, yading@11: { AV_CPU_FLAG_SSE3SLOW, "sse3(slow)" }, yading@11: { AV_CPU_FLAG_SSSE3, "ssse3" }, yading@11: { AV_CPU_FLAG_ATOM, "atom" }, yading@11: { AV_CPU_FLAG_SSE4, "sse4.1" }, yading@11: { AV_CPU_FLAG_SSE42, "sse4.2" }, yading@11: { AV_CPU_FLAG_AVX, "avx" }, yading@11: { AV_CPU_FLAG_XOP, "xop" }, yading@11: { AV_CPU_FLAG_FMA4, "fma4" }, yading@11: { AV_CPU_FLAG_3DNOW, "3dnow" }, yading@11: { AV_CPU_FLAG_3DNOWEXT, "3dnowext" }, yading@11: { AV_CPU_FLAG_CMOV, "cmov" }, yading@11: #endif yading@11: { 0 } yading@11: }; yading@11: yading@11: int main(void) yading@11: { yading@11: int cpu_flags = av_get_cpu_flags(); yading@11: int i; yading@11: yading@11: printf("cpu_flags = 0x%08X\n", cpu_flags); yading@11: printf("cpu_flags ="); yading@11: for (i = 0; cpu_flag_tab[i].flag; i++) yading@11: if (cpu_flags & cpu_flag_tab[i].flag) yading@11: printf(" %s", cpu_flag_tab[i].name); yading@11: printf("\n"); yading@11: yading@11: return 0; yading@11: } yading@11: yading@11: #endif