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136 lines
4.0 KiB
136 lines
4.0 KiB
/* |
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* This file is part of Libav. |
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* |
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* Libav is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* Libav is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with Libav; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include "config.h" |
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#if HAVE_UNISTD_H |
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#include <unistd.h> |
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#elif !HAVE_GETOPT |
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#include "compat/getopt.c" |
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#endif |
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#include <stdint.h> |
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#include <stdio.h> |
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#include "libavutil/avstring.h" |
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#include "libavutil/common.h" |
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#include "libavutil/cpu.h" |
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static const struct { |
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int flag; |
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const char *name; |
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} cpu_flag_tab[] = { |
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#if ARCH_AARCH64 |
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{ AV_CPU_FLAG_ARMV8, "armv8" }, |
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{ AV_CPU_FLAG_NEON, "neon" }, |
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{ AV_CPU_FLAG_VFP, "vfp" }, |
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#elif ARCH_ARM |
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{ AV_CPU_FLAG_ARMV5TE, "armv5te" }, |
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{ AV_CPU_FLAG_ARMV6, "armv6" }, |
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{ AV_CPU_FLAG_ARMV6T2, "armv6t2" }, |
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{ AV_CPU_FLAG_VFP, "vfp" }, |
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{ AV_CPU_FLAG_VFP_VM, "vfp_vm" }, |
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{ AV_CPU_FLAG_VFPV3, "vfpv3" }, |
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{ AV_CPU_FLAG_NEON, "neon" }, |
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#elif ARCH_PPC |
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{ AV_CPU_FLAG_ALTIVEC, "altivec" }, |
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#elif ARCH_X86 |
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{ AV_CPU_FLAG_MMX, "mmx" }, |
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{ AV_CPU_FLAG_MMXEXT, "mmxext" }, |
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{ AV_CPU_FLAG_SSE, "sse" }, |
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{ AV_CPU_FLAG_SSE2, "sse2" }, |
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{ AV_CPU_FLAG_SSE2SLOW, "sse2(slow)" }, |
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{ AV_CPU_FLAG_SSE3, "sse3" }, |
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{ AV_CPU_FLAG_SSE3SLOW, "sse3(slow)" }, |
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{ AV_CPU_FLAG_SSSE3, "ssse3" }, |
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{ AV_CPU_FLAG_ATOM, "atom" }, |
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{ AV_CPU_FLAG_SSE4, "sse4.1" }, |
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{ AV_CPU_FLAG_SSE42, "sse4.2" }, |
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{ AV_CPU_FLAG_AVX, "avx" }, |
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{ AV_CPU_FLAG_AVXSLOW, "avxslow" }, |
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{ AV_CPU_FLAG_XOP, "xop" }, |
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{ AV_CPU_FLAG_FMA3, "fma3" }, |
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{ AV_CPU_FLAG_FMA4, "fma4" }, |
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{ AV_CPU_FLAG_3DNOW, "3dnow" }, |
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{ AV_CPU_FLAG_3DNOWEXT, "3dnowext" }, |
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{ AV_CPU_FLAG_CMOV, "cmov" }, |
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{ AV_CPU_FLAG_AVX2, "avx2" }, |
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{ AV_CPU_FLAG_BMI1, "bmi1" }, |
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{ AV_CPU_FLAG_BMI2, "bmi2" }, |
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#endif |
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{ 0 } |
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}; |
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static void print_cpu_flags(int cpu_flags, const char *type) |
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{ |
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int i; |
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fprintf(stderr, "cpu_flags(%s) = 0x%08X\n", type, cpu_flags); |
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fprintf(stderr, "cpu_flags_str(%s) =", type); |
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for (i = 0; cpu_flag_tab[i].flag; i++) |
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if (cpu_flags & cpu_flag_tab[i].flag) |
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fprintf(stderr, " %s", cpu_flag_tab[i].name); |
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fprintf(stderr, "\n"); |
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} |
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int main(int argc, char **argv) |
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{ |
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int cpu_flags_raw = av_get_cpu_flags(); |
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int cpu_flags_eff; |
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int cpu_count = av_cpu_count(); |
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char threads[5] = "auto"; |
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if (cpu_flags_raw < 0) |
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return 1; |
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for (;;) { |
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int c = getopt(argc, argv, "c:t:"); |
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if (c == -1) |
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break; |
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switch (c) { |
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case 'c': |
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{ |
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int cpuflags = av_parse_cpu_flags(optarg); |
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if (cpuflags < 0) |
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return 2; |
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av_set_cpu_flags_mask(cpuflags); |
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break; |
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} |
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case 't': |
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{ |
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int len = av_strlcpy(threads, optarg, sizeof(threads)); |
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if (len >= sizeof(threads)) { |
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fprintf(stderr, "Invalid thread count '%s'\n", optarg); |
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return 2; |
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} |
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} |
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} |
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} |
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cpu_flags_eff = av_get_cpu_flags(); |
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if (cpu_flags_eff < 0) |
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return 3; |
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print_cpu_flags(cpu_flags_raw, "raw"); |
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print_cpu_flags(cpu_flags_eff, "effective"); |
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fprintf(stderr, "threads = %s (cpu_count = %d)\n", threads, cpu_count); |
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return 0; |
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}
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