Module: libav
Branch: master
Commit: 89aebc5bcc6e23a0a79c3f51c3a55c3571692ba0
Author: Anton Khirnov <an...@khirnov.net>
Committer: Anton Khirnov <an...@khirnov.net>
Date: Sat Jul 30 20:54:42 2016 +0200
lavc: align the linesize to 32 when AVX is enabled
---
configure | 6 +++++-
libavcodec/utils.c | 4 +++-
2 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/configure b/configure
index 80aa09e..9f836b7 100755
--- a/configure
+++ b/configure
@@ -1469,7 +1469,9 @@ ARCH_FEATURES="
local_aligned_8
local_aligned_16
local_aligned_32
+ simd_align
simd_align_16
+ simd_align_32
"
BUILTIN_LIST="
@@ -1880,7 +1882,9 @@ aligned_stack_if_any="aarch64 ppc x86"
fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
fast_unaligned_if_any="aarch64 ppc x86"
+simd_align_if_any="simd_align_16 simd_align_32"
simd_align_16_if_any="altivec neon sse"
+simd_align_32_if_any="avx"
# system capabilities
symver_if_any="symver_asm_label symver_gnu_asm"
@@ -5032,7 +5036,7 @@ enabled_all dxva2 CoTaskMemFree &&
enable dxva2_lib
! enabled_any memalign posix_memalign aligned_malloc &&
- enabled simd_align_16 && enable memalign_hack
+ enabled simd_align && enable memalign_hack
map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index 4184b95..ce86bfa 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -178,7 +178,9 @@ int ff_side_data_update_matrix_encoding(AVFrame *frame,
return 0;
}
-#if HAVE_SIMD_ALIGN_16
+#if HAVE_SIMD_ALIGN_32
+# define STRIDE_ALIGN 32
+#elif HAVE_SIMD_ALIGN_16
# define STRIDE_ALIGN 16
#else
# define STRIDE_ALIGN 8
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