avfilter/palettegen: consistently use the same frame for dimensions

10 years ago · 30f4e9d3d9
parent 4216968f85
commit 30f4e9d3d9
1 changed files with 1 additions and 1 deletions
--- a/libavfilter/vf_palettegen.c
+++ b/libavfilter/vf_palettegen.c
@ -436,7 +436,7 @@ static int update_histogram_diff(struct hist_node *hist,
        const uint32_t *p = (const uint32_t *)(f1->data[0] + y*f1->linesize[0]);
        const uint32_t *q = (const uint32_t *)(f2->data[0] + y*f2->linesize[0]);

-        for (x = 0; x < f2->width; x++) {
+        for (x = 0; x < f1->width; x++) {
            if (p[x] == q[x])
                continue;
            ret = color_inc(hist, p[x]);