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Code Issues Releases Activity

avutil: add AVX-512 flags

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This commit is contained in:
James Darnley 2017-10-26 19:48:26 +02:00 committed by James Darnley
parent b7a3d1f249
commit 8b81eabe57
7 changed files with 14 additions and 2 deletions
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1
Changelog
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@ -27,6 +27,7 @@ version <next>:
- video setrange filter
- nsp demuxer
- support LibreSSL (via libtls)
- AVX-512/ZMM support added
version 3.4:

3
doc/APIchanges
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@ -15,6 +15,9 @@ libavutil: 2017-10-21
API changes, most recent first:
2017-12-xx - xxxxxxx - lavu 56.7.100 - cpu.h
AVX-512 flags added.
2017-xx-xx - xxxxxxx - lavc 58.8.100 - avcodec.h
The MediaCodec decoders now support AVCodecContext.hw_device_ctx.

6
libavutil/cpu.c
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@ -80,7 +80,8 @@ void av_force_cpu_flags(int arg){
AV_CPU_FLAG_XOP |
AV_CPU_FLAG_FMA3 |
AV_CPU_FLAG_FMA4 |
AV_CPU_FLAG_AVX2 ))
AV_CPU_FLAG_AVX2 |
AV_CPU_FLAG_AVX512 ))
&& !(arg & AV_CPU_FLAG_MMX)) {
av_log(NULL, AV_LOG_WARNING, "MMX implied by specified flags\n");
arg |= AV_CPU_FLAG_MMX;
@ -126,6 +127,7 @@ int av_parse_cpu_flags(const char *s)
#define CPUFLAG_AVX2 (AV_CPU_FLAG_AVX2 | CPUFLAG_AVX)
#define CPUFLAG_BMI2 (AV_CPU_FLAG_BMI2 | AV_CPU_FLAG_BMI1)
#define CPUFLAG_AESNI (AV_CPU_FLAG_AESNI | CPUFLAG_SSE42)
#define CPUFLAG_AVX512 (AV_CPU_FLAG_AVX512 | CPUFLAG_AVX2)
static const AVOption cpuflags_opts[] = {
{ "flags" , NULL, 0, AV_OPT_TYPE_FLAGS, { .i64 = 0 }, INT64_MIN, INT64_MAX, .unit = "flags" },
#if ARCH_PPC
@ -154,6 +156,7 @@ int av_parse_cpu_flags(const char *s)
{ "3dnowext", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPUFLAG_3DNOWEXT }, .unit = "flags" },
{ "cmov", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_CMOV }, .unit = "flags" },
{ "aesni" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPUFLAG_AESNI }, .unit = "flags" },
{ "avx512" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPUFLAG_AVX512 }, .unit = "flags" },
#elif ARCH_ARM
{ "armv5te", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_ARMV5TE }, .unit = "flags" },
{ "armv6", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_ARMV6 }, .unit = "flags" },
@ -216,6 +219,7 @@ int av_parse_cpu_caps(unsigned *flags, const char *s)
{ "3dnowext", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_3DNOWEXT }, .unit = "flags" },
{ "cmov", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_CMOV }, .unit = "flags" },
{ "aesni", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_AESNI }, .unit = "flags" },
{ "avx512" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_AVX512 }, .unit = "flags" },
#define CPU_FLAG_P2 AV_CPU_FLAG_CMOV | AV_CPU_FLAG_MMX
#define CPU_FLAG_P3 CPU_FLAG_P2 | AV_CPU_FLAG_MMX2 | AV_CPU_FLAG_SSE

1
libavutil/cpu.h
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@ -55,6 +55,7 @@
#define AV_CPU_FLAG_FMA3 0x10000 ///< Haswell FMA3 functions
#define AV_CPU_FLAG_BMI1 0x20000 ///< Bit Manipulation Instruction Set 1
#define AV_CPU_FLAG_BMI2 0x40000 ///< Bit Manipulation Instruction Set 2
#define AV_CPU_FLAG_AVX512 0x100000 ///< AVX-512 functions: requires OS support even if YMM/ZMM registers aren't used
#define AV_CPU_FLAG_ALTIVEC 0x0001 ///< standard
#define AV_CPU_FLAG_VSX 0x0002 ///< ISA 2.06

1
libavutil/tests/cpu.c
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@ -73,6 +73,7 @@ static const struct {
{ AV_CPU_FLAG_BMI1, "bmi1" },
{ AV_CPU_FLAG_BMI2, "bmi2" },
{ AV_CPU_FLAG_AESNI, "aesni" },
{ AV_CPU_FLAG_AVX512, "avx512" },
#endif
{ 0 }
};

2
libavutil/version.h
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@ -79,7 +79,7 @@
*/
#define LIBAVUTIL_VERSION_MAJOR 56
#define LIBAVUTIL_VERSION_MINOR 6
#define LIBAVUTIL_VERSION_MINOR 7
#define LIBAVUTIL_VERSION_MICRO 100
#define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \

2
libavutil/x86/cpu.h
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@ -50,6 +50,7 @@
#define X86_FMA4(flags) CPUEXT(flags, FMA4)
#define X86_AVX2(flags) CPUEXT(flags, AVX2)
#define X86_AESNI(flags) CPUEXT(flags, AESNI)
#define X86_AVX512(flags) CPUEXT(flags, AVX512)
#define EXTERNAL_AMD3DNOW(flags) CPUEXT_SUFFIX(flags, _EXTERNAL, AMD3DNOW)
#define EXTERNAL_AMD3DNOWEXT(flags) CPUEXT_SUFFIX(flags, _EXTERNAL, AMD3DNOWEXT)
@ -79,6 +80,7 @@
#define EXTERNAL_AVX2_FAST(flags) CPUEXT_SUFFIX_FAST2(flags, _EXTERNAL, AVX2, AVX)
#define EXTERNAL_AVX2_SLOW(flags) CPUEXT_SUFFIX_SLOW2(flags, _EXTERNAL, AVX2, AVX)
#define EXTERNAL_AESNI(flags) CPUEXT_SUFFIX(flags, _EXTERNAL, AESNI)
#define EXTERNAL_AVX512(flags) CPUEXT_SUFFIX(flags, _EXTERNAL, AVX512)
#define INLINE_AMD3DNOW(flags) CPUEXT_SUFFIX(flags, _INLINE, AMD3DNOW)
#define INLINE_AMD3DNOWEXT(flags) CPUEXT_SUFFIX(flags, _INLINE, AMD3DNOWEXT)