Signed-off-by: James Almer <[email protected]>
---
libavutil/aarch64/cpu.c | 9 +++++++++
libavutil/arm/cpu.c | 9 +++++++++
libavutil/cpu.c | 15 ++++++++-------
libavutil/cpu_internal.h | 5 +++++
libavutil/ppc/cpu.c | 9 +++++++++
libavutil/x86/cpu.c | 11 +++++++++++
6 files changed, 51 insertions(+), 7 deletions(-)
diff --git a/libavutil/aarch64/cpu.c b/libavutil/aarch64/cpu.c
index 37a7d8def..471821825 100644
--- a/libavutil/aarch64/cpu.c
+++ b/libavutil/aarch64/cpu.c
@@ -26,3 +26,12 @@ int ff_get_cpu_flags_aarch64(void)
AV_CPU_FLAG_NEON * HAVE_NEON |
AV_CPU_FLAG_VFP * HAVE_VFP;
}
+
+size_t ff_get_cpu_max_align_aarch64(void)
+{
+ int flags = av_get_cpu_flags();
+
+ if (flags & AV_CPU_FLAG_NEON)
+ return 16;
+ return 8;
+}
diff --git a/libavutil/arm/cpu.c b/libavutil/arm/cpu.c
index 2effb7261..a29adf276 100644
--- a/libavutil/arm/cpu.c
+++ b/libavutil/arm/cpu.c
@@ -151,3 +151,12 @@ int ff_get_cpu_flags_arm(void)
}
#endif
+
+size_t ff_get_cpu_max_align_arm(void)
+{
+ int flags = av_get_cpu_flags();
+
+ if (flags & AV_CPU_FLAG_NEON)
+ return 16;
+ return 8;
+}
diff --git a/libavutil/cpu.c b/libavutil/cpu.c
index 5aef6af21..fa76fecfc 100644
--- a/libavutil/cpu.c
+++ b/libavutil/cpu.c
@@ -184,12 +184,13 @@ int av_cpu_count(void)
size_t av_cpu_max_align(void)
{
- int flags = av_get_cpu_flags();
-
- if (flags & AV_CPU_FLAG_AVX)
- return 32;
- if (flags & (AV_CPU_FLAG_ALTIVEC | AV_CPU_FLAG_SSE | AV_CPU_FLAG_NEON))
- return 16;
-
+ if (ARCH_AARCH64)
+ return ff_get_cpu_max_align_aarch64();
+ if (ARCH_ARM)
+ return ff_get_cpu_max_align_arm();
+ if (ARCH_PPC)
+ return ff_get_cpu_max_align_ppc();
+ if (ARCH_X86)
+ return ff_get_cpu_max_align_x86();
return 8;
}
diff --git a/libavutil/cpu_internal.h b/libavutil/cpu_internal.h
index 49c7b070e..18c744a98 100644
--- a/libavutil/cpu_internal.h
+++ b/libavutil/cpu_internal.h
@@ -41,4 +41,9 @@ int ff_get_cpu_flags_arm(void);
int ff_get_cpu_flags_ppc(void);
int ff_get_cpu_flags_x86(void);
+size_t ff_get_cpu_max_align_aarch64(void);
+size_t ff_get_cpu_max_align_arm(void);
+size_t ff_get_cpu_max_align_ppc(void);
+size_t ff_get_cpu_max_align_x86(void);
+
#endif /* AVUTIL_CPU_INTERNAL_H */
diff --git a/libavutil/ppc/cpu.c b/libavutil/ppc/cpu.c
index 298185684..06ad37084 100644
--- a/libavutil/ppc/cpu.c
+++ b/libavutil/ppc/cpu.c
@@ -142,3 +142,12 @@ out:
#endif /* HAVE_ALTIVEC */
return 0;
}
+
+size_t ff_get_cpu_max_align_ppc(void)
+{
+ int flags = av_get_cpu_flags();
+
+ if (flags & AV_CPU_FLAG_ALTIVEC)
+ return 16;
+ return 8;
+}
diff --git a/libavutil/x86/cpu.c b/libavutil/x86/cpu.c
index 7c50fe38e..fa50eeb9d 100644
--- a/libavutil/x86/cpu.c
+++ b/libavutil/x86/cpu.c
@@ -233,3 +233,14 @@ int ff_get_cpu_flags_x86(void)
return rval;
}
+
+size_t ff_get_cpu_max_align_x86(void)
+{
+ int flags = av_get_cpu_flags();
+
+ if (flags & AV_CPU_FLAG_AVX)
+ return 32;
+ if (flags & AV_CPU_FLAG_SSE)
+ return 16;
+ return 8;
+}
--
2.13.3
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