aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorJames Almer <jamrial@gmail.com>2018-01-07 00:45:37 -0300
committerJames Almer <jamrial@gmail.com>2018-01-11 23:46:31 -0300
commit6e80079a2840ee407c5d126030eb1066bcbfdfc5 (patch)
tree3e208a5347a2477e824598cd32cbaf136a4925a8
parentb94cd55155d8c061f1e1faca9076afe540149c27 (diff)
downloadffmpeg-6e80079a2840ee407c5d126030eb1066bcbfdfc5.tar.gz
avcodec: increase AV_INPUT_BUFFER_PADDING_SIZE to 64
AVX-512 support has been introduced, and even if no functions currently use zmm registers (able to load as much as 64 bytes of consecutive data per instruction), they will be added eventually. Reviewed-by: Rostislav Pehlivanov <atomnuker@gmail.com> Tested-by: Michael Niedermayer <michael@niedermayer.cc> Signed-off-by: James Almer <jamrial@gmail.com>
-rw-r--r--libavcodec/avcodec.h2
-rw-r--r--libavcodec/x86/hevc_sao.asm2
-rw-r--r--libavcodec/x86/hevc_sao_10bit.asm2
3 files changed, 3 insertions, 3 deletions
diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index c13deb599f..8fbbc798a2 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -767,7 +767,7 @@ typedef struct AVCodecDescriptor {
* Note: If the first 23 bits of the additional bytes are not 0, then damaged
* MPEG bitstreams could cause overread and segfault.
*/
-#define AV_INPUT_BUFFER_PADDING_SIZE 32
+#define AV_INPUT_BUFFER_PADDING_SIZE 64
/**
* @ingroup lavc_encoding
diff --git a/libavcodec/x86/hevc_sao.asm b/libavcodec/x86/hevc_sao.asm
index 888a28afa7..756adfee57 100644
--- a/libavcodec/x86/hevc_sao.asm
+++ b/libavcodec/x86/hevc_sao.asm
@@ -198,7 +198,7 @@ HEVC_SAO_BAND_FILTER 64, 2
;******************************************************************************
%define MAX_PB_SIZE 64
-%define PADDING_SIZE 32 ; AV_INPUT_BUFFER_PADDING_SIZE
+%define PADDING_SIZE 64 ; AV_INPUT_BUFFER_PADDING_SIZE
%define EDGE_SRCSTRIDE 2 * MAX_PB_SIZE + PADDING_SIZE
%macro HEVC_SAO_EDGE_FILTER_INIT 0
diff --git a/libavcodec/x86/hevc_sao_10bit.asm b/libavcodec/x86/hevc_sao_10bit.asm
index f81e2d5033..b30583dd2f 100644
--- a/libavcodec/x86/hevc_sao_10bit.asm
+++ b/libavcodec/x86/hevc_sao_10bit.asm
@@ -190,7 +190,7 @@ HEVC_SAO_BAND_FILTER 12, 64, 4
;******************************************************************************
%define MAX_PB_SIZE 64
-%define PADDING_SIZE 32 ; AV_INPUT_BUFFER_PADDING_SIZE
+%define PADDING_SIZE 64 ; AV_INPUT_BUFFER_PADDING_SIZE
%define EDGE_SRCSTRIDE 2 * MAX_PB_SIZE + PADDING_SIZE
%macro PMINUW 4