It is accessed via AV_RN64() in ff_simple_idct_put_int32_10bit().
Should fix the UBSan failures in the mpeg4-simple-studio-profile
test here:
https://fate.ffmpeg.org/report.cgi?time=20240312011016&slot=ppc-linux-gcc-13.2-ubsan-altivec-qemu
Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@outlook.com>
---
libavcodec/mpeg4videodec.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/libavcodec/mpeg4videodec.h b/libavcodec/mpeg4videodec.h
index c0e6ec6592..4a26d18987 100644
--- a/libavcodec/mpeg4videodec.h
+++ b/libavcodec/mpeg4videodec.h
@@ -29,6 +29,7 @@
#include "mpegvideo.h"
#include "mpeg4videodsp.h"
+#include "libavutil/mem_internal.h"
typedef struct Mpeg4DecContext {
MpegEncContext m;
@@ -83,7 +84,7 @@ typedef struct Mpeg4DecContext {
Mpeg4VideoDSPContext mdsp;
- int32_t block32[12][64];
+ DECLARE_ALIGNED(8, int32_t, block32)[12][64];
// 0 = DCT, 1 = DPCM top to bottom scan, -1 = DPCM bottom to top scan
int dpcm_direction;
int16_t dpcm_macroblock[3][256];
--
2.40.1
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