Such calls as "copy_CTB(dst - (left_pixels << sh), ..." may actually
use completely unaligned addresses, causing issues on platforms such
as ARM where 64bits copies have alignment requirements.
In such cases, AC_COPY64U should be use instead.
--
Christophe
From 030105f7b0978e18fd45e54dd0ed56d79f3f7332 Mon Sep 17 00:00:00 2001
From: Christophe Gisquet <christophe.gisq...@gmail.com>
Date: Mon, 2 Mar 2015 18:17:28 +0100
Subject: [PATCH] hevc/sao: use unaligned copy
---
libavcodec/hevc_filter.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/hevc_filter.c b/libavcodec/hevc_filter.c
index 855a619..f50a640 100644
--- a/libavcodec/hevc_filter.c
+++ b/libavcodec/hevc_filter.c
@@ -147,7 +147,7 @@ int i, j;
if (((intptr_t)dst | (intptr_t)src | stride_dst | stride_src) & 15) {
for (i = 0; i < height; i++) {
for (j = 0; j < width; j+=8)
- AV_COPY64(dst+j, src+j);
+ AV_COPY64U(dst+j, src+j);
dst += stride_dst;
src += stride_src;
}
--
1.9.2.msysgit.0
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