On Fri, 12 Feb 2021, Martin Storsjö wrote:
This is much less precise than the cycle counter register, but
the cycle counter register is not available on apple platforms
(and on linux, it requires a kernel module for allowing user mode
access).
---
libavutil/aarch64/timer.h | 8 +++++++-
libavutil/arm/timer.h | 8 +++++++-
2 files changed, 14 insertions(+), 2 deletions(-)
diff --git a/libavutil/aarch64/timer.h b/libavutil/aarch64/timer.h
index b570039416..8b28fd354c 100644
--- a/libavutil/aarch64/timer.h
+++ b/libavutil/aarch64/timer.h
@@ -24,7 +24,13 @@
#include <stdint.h>
#include "config.h"
-#if HAVE_INLINE_ASM
+#if defined(__APPLE__)
+
+#include <mach/mach_time.h>
+
+#define AV_READ_TIME mach_absolute_time
+
+#elif HAVE_INLINE_ASM
#define AV_READ_TIME read_time
diff --git a/libavutil/arm/timer.h b/libavutil/arm/timer.h
index 5e8bc8edd0..caf23e2a5a 100644
--- a/libavutil/arm/timer.h
+++ b/libavutil/arm/timer.h
@@ -24,7 +24,13 @@
#include <stdint.h>
#include "config.h"
-#if HAVE_INLINE_ASM && defined(__ARM_ARCH_7A__)
+#if defined(__APPLE__)
+
+#include <mach/mach_time.h>
+
+#define AV_READ_TIME mach_absolute_time
+
+#elif HAVE_INLINE_ASM && defined(__ARM_ARCH_7A__)
#define AV_READ_TIME read_time
--
2.25.1
I'll push this soon if there's no comments.
// Martin
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