Do not set swscale sizeFactor to -1.

Fixes ticket #3495.
11 years ago · e6fe804bdd
parent 3e6016622e
commit e6fe804bdd
1 changed files with 1 additions and 1 deletions
--- a/libswscale/utils.c
+++ b/libswscale/utils.c
@ -367,7 +367,7 @@ static av_cold int initFilter(int16_t **outFilter, int32_t **filterPos,
        int sizeFactor = -1;

        for (i = 0; i < FF_ARRAY_ELEMS(scale_algorithms); i++) {
-            if (flags & scale_algorithms[i].flag) {
+            if (flags & scale_algorithms[i].flag && scale_algorithms[i].size_factor > 0) {
                sizeFactor = scale_algorithms[i].size_factor;
                break;
            }