diff options
| author | Hendrik Leppkes <h.leppkes@gmail.com> | 2016-01-02 11:01:29 +0100 |
|---|---|---|
| committer | Hendrik Leppkes <h.leppkes@gmail.com> | 2016-01-02 11:01:29 +0100 |
| commit | e754c8e8caa78d75efff5cb2d979635477c20378 (patch) | |
| tree | 15d6289f14563c8db638f565dd0e8f75e18cbd71 /libavutil | |
| parent | 00e91d06767a5a28524cbfc271141970f744db23 (diff) | |
| parent | e2710e790c09e49e86baa58c6063af0097cc8cb0 (diff) | |
Merge commit 'e2710e790c09e49e86baa58c6063af0097cc8cb0'
* commit 'e2710e790c09e49e86baa58c6063af0097cc8cb0':
arm: add a cpu flag for the VFPv2 vector mode
Merged-by: Hendrik Leppkes <h.leppkes@gmail.com>
Diffstat (limited to 'libavutil')
| -rw-r--r-- | libavutil/arm/cpu.c | 4 | ||||
| -rw-r--r-- | libavutil/arm/cpu.h | 5 | ||||
| -rw-r--r-- | libavutil/cpu.c | 2 | ||||
| -rw-r--r-- | libavutil/cpu.h | 1 | ||||
| -rw-r--r-- | libavutil/version.h | 2 |
5 files changed, 13 insertions, 1 deletions
diff --git a/libavutil/arm/cpu.c b/libavutil/arm/cpu.c index 02def0b470..3889ef011c 100644 --- a/libavutil/arm/cpu.c +++ b/libavutil/arm/cpu.c @@ -137,6 +137,10 @@ int ff_get_cpu_flags_arm(void) if (flags & AV_CPU_FLAG_ARMV6T2) flags |= AV_CPU_FLAG_ARMV6; + /* set the virtual VFPv2 vector mode flag */ + if ((flags & AV_CPU_FLAG_VFP) && !(flags & (AV_CPU_FLAG_VFPV3 | AV_CPU_FLAG_NEON))) + flags |= AV_CPU_FLAG_VFP_VM; + return flags; } diff --git a/libavutil/arm/cpu.h b/libavutil/arm/cpu.h index 9b3b6ff58b..27a2edacf5 100644 --- a/libavutil/arm/cpu.h +++ b/libavutil/arm/cpu.h @@ -31,4 +31,9 @@ #define have_neon(flags) CPUEXT(flags, NEON) #define have_setend(flags) CPUEXT(flags, SETEND) +/* some functions use the VFPv2 vector mode which is deprecated in ARMv7-A + * and might trap on such CPU depending on the OS configuration */ +#define have_vfp_vm(flags) \ + (have_armv6(flags) && ((flags) & AV_CPU_FLAG_VFP_VM)) + #endif /* AVUTIL_ARM_CPU_H */ diff --git a/libavutil/cpu.c b/libavutil/cpu.c index 1acae013ca..89066d8e2a 100644 --- a/libavutil/cpu.c +++ b/libavutil/cpu.c @@ -152,6 +152,7 @@ int av_parse_cpu_flags(const char *s) { "armv6", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_ARMV6 }, .unit = "flags" }, { "armv6t2", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_ARMV6T2 }, .unit = "flags" }, { "vfp", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_VFP }, .unit = "flags" }, + { "vfp_vm", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_VFP_VM }, .unit = "flags" }, { "vfpv3", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_VFPV3 }, .unit = "flags" }, { "neon", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_NEON }, .unit = "flags" }, #elif ARCH_AARCH64 @@ -315,6 +316,7 @@ static const struct { { AV_CPU_FLAG_ARMV6, "armv6" }, { AV_CPU_FLAG_ARMV6T2, "armv6t2" }, { AV_CPU_FLAG_VFP, "vfp" }, + { AV_CPU_FLAG_VFP_VM, "vfp_vm" }, { AV_CPU_FLAG_VFPV3, "vfpv3" }, { AV_CPU_FLAG_NEON, "neon" }, { AV_CPU_FLAG_SETEND, "setend" }, diff --git a/libavutil/cpu.h b/libavutil/cpu.h index bff8518cc5..cc4e30c4cd 100644 --- a/libavutil/cpu.h +++ b/libavutil/cpu.h @@ -64,6 +64,7 @@ #define AV_CPU_FLAG_VFPV3 (1 << 4) #define AV_CPU_FLAG_NEON (1 << 5) #define AV_CPU_FLAG_ARMV8 (1 << 6) +#define AV_CPU_FLAG_VFP_VM (1 << 7) ///< VFPv2 vector mode, deprecated in ARMv7-A and unavailable in various CPUs implementations #define AV_CPU_FLAG_SETEND (1 <<16) /** diff --git a/libavutil/version.h b/libavutil/version.h index 22cd66b554..9ffa7a8666 100644 --- a/libavutil/version.h +++ b/libavutil/version.h @@ -64,7 +64,7 @@ */ #define LIBAVUTIL_VERSION_MAJOR 55 -#define LIBAVUTIL_VERSION_MINOR 11 +#define LIBAVUTIL_VERSION_MINOR 12 #define LIBAVUTIL_VERSION_MICRO 100 #define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \ |