Generic C implementation of vf_blend performs reads and writes of 16-bit
elements, which requires the buffers to be aligned to at least 2-byte
boundary.
Also, the change fixes source buffer overrun caused by src_offset being
added to to test handling of misaligned buffers.
Fixes: #7226
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
w = WIDTH / depth; \
\
for (i = 0; i < BUF_UNITS - 1; i++) { \
- int src_offset = i * SIZE_PER_UNIT + i; /* Test various alignments */ \
+ int src_offset = i * SIZE_PER_UNIT + (BUF_UNITS - 1 - i) * depth; /* Test various alignments */ \
int dst_offset = i * SIZE_PER_UNIT; /* dst must be aligned */ \
randomize_buffers(); \
call_ref(top1 + src_offset, w, bot1 + src_offset, w, \