diff options
Diffstat (limited to 'gst/videoscale/vs_scanline.c')
| -rw-r--r-- | gst/videoscale/vs_scanline.c | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/gst/videoscale/vs_scanline.c b/gst/videoscale/vs_scanline.c index 9a045722e..6e8576cd5 100644 --- a/gst/videoscale/vs_scanline.c +++ b/gst/videoscale/vs_scanline.c @@ -280,10 +280,16 @@ vs_scanline_resample_linear_YUYV (uint8_t * dest, uint8_t * src, int n, j = acc >> 17; x = acc & 0x1ffff; - dest[i * 4 + 1] = - (src[j * 4 + 1] * (131072 - x) + src[j * 4 + 5] * x) >> 17; - dest[i * 4 + 3] = - (src[j * 4 + 3] * (131072 - x) + src[j * 4 + 7] * x) >> 17; + + if (i < n - 1) { + dest[i * 4 + 1] = + (src[j * 4 + 1] * (131072 - x) + src[j * 4 + 5] * x) >> 17; + dest[i * 4 + 3] = + (src[j * 4 + 3] * (131072 - x) + src[j * 4 + 7] * x) >> 17; + } else { + dest[i * 4 + 1] = src[j * 4 + 1]; + dest[i * 4 + 3] = src[j * 4 + 3]; + } acc += increment; @@ -379,10 +385,16 @@ vs_scanline_resample_linear_UYVY (uint8_t * dest, uint8_t * src, int n, j = acc >> 17; x = acc & 0x1ffff; - dest[i * 4 + 0] = - (src[j * 4 + 0] * (131072 - x) + src[j * 4 + 4] * x) >> 17; - dest[i * 4 + 2] = - (src[j * 4 + 2] * (131072 - x) + src[j * 4 + 6] * x) >> 17; + + if (i < n - 1) { + dest[i * 4 + 0] = + (src[j * 4 + 0] * (131072 - x) + src[j * 4 + 4] * x) >> 17; + dest[i * 4 + 2] = + (src[j * 4 + 2] * (131072 - x) + src[j * 4 + 6] * x) >> 17; + } else { + dest[i * 4 + 0] = src[j * 4 + 0]; + dest[i * 4 + 2] = src[j * 4 + 2]; + } acc += increment; |