ASM code tends to overwrite the buffers by 2-4 bytes and it can cause issues
with slice threads.
Signed-off-by: Marton Balint <c...@passwd.hu>
---
libavcodec/v210dec.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/libavcodec/v210dec.c b/libavcodec/v210dec.c
index e97f43a8e6..4268b5b748 100644
--- a/libavcodec/v210dec.c
+++ b/libavcodec/v210dec.c
@@ -54,7 +54,7 @@ static void decode_row(const uint32_t *src, uint16_t *y,
uint16_t *u, uint16_t *
void (*unpack_frame)(const uint32_t *src, uint16_t *y,
uint16_t *u, uint16_t *v, int width))
{
uint32_t val;
- int w = (width / 12) * 12;
+ int w = (FFMAX(0, width - 12) / 12) * 12;
unpack_frame(src, y, u, v, w);
@@ -63,7 +63,7 @@ static void decode_row(const uint32_t *src, uint16_t *y,
uint16_t *u, uint16_t *
v += w >> 1;
src += (w << 1) / 3;
- if (w < width - 5) {
+ while (w < width - 5) {
READ_PIXELS(u, y, v);
READ_PIXELS(y, u, y);
READ_PIXELS(v, y, u);
--
2.34.1
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