av_image_fill_linesizes(linesizes, pix_fmt, width);
for (i = 0; i < nb_planes; i++) {
- int h, s = (i == 1 || i == 2) ? desc->log2_chroma_h : 0;
- h = (height + (1 << s) - 1) >> s;
+ int h, shift = (i == 1 || i == 2) ? desc->log2_chroma_h : 0;
+ const unsigned char *s = src->data[i];
+ h = (height + (1 << shift) - 1) >> shift;
- s = src->data[i];
for (j = 0; j < h; j++) {
memcpy(dest, s, linesizes[i]);
dest += linesizes[i];