Signed-off-by: Michael Niedermayer <[email protected]>
---
libavcodec/gdv.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/libavcodec/gdv.c b/libavcodec/gdv.c
index 595d8ff4e4..aea15a88ef 100644
--- a/libavcodec/gdv.c
+++ b/libavcodec/gdv.c
@@ -85,9 +85,15 @@ static void rescale(GDVContext *gdv, uint8_t *dst, int w,
int h, int scale_v, in
int y = h - j - 1;
uint8_t *dst1 = dst + PREAMBLE_SIZE + y * w;
uint8_t *src1 = dst + PREAMBLE_SIZE + (y>>!!gdv->scale_h) * (w>>1);
- for (x = w - 1; x >= 0; x--) {
+
+ for (x = w - 1; x >= 0 && !(x&1); x--) {
dst1[x] = src1[(x>>1)];
}
+
+ for (x--; x >= 0; x-=2) {
+ dst1[x ] =
+ dst1[x+1] = src1[(x>>1)];
+ }
}
} else if (gdv->scale_h) {
for (j = 0; j < h; j++) {
--
2.18.0
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