diff options
Diffstat (limited to 'libswscale')
| -rw-r--r-- | libswscale/utils.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/libswscale/utils.c b/libswscale/utils.c index d2ad20e4f3..2174262b01 100644 --- a/libswscale/utils.c +++ b/libswscale/utils.c @@ -611,14 +611,15 @@ static av_cold int initFilter(int16_t **outFilter, int32_t **filterPos, } if ((*filterPos)[i] + filterSize > srcW) { - int shift = (*filterPos)[i] + filterSize - srcW; + int shift = (*filterPos)[i] + FFMIN(filterSize - srcW, 0); + // move filter coefficients right to compensate for filterPos for (j = filterSize - 2; j >= 0; j--) { int right = FFMIN(j + shift, filterSize - 1); filter[i * filterSize + right] += filter[i * filterSize + j]; filter[i * filterSize + j] = 0; } - (*filterPos)[i]= srcW - filterSize; + (*filterPos)[i]-= shift; } } |