unsigned cksum = 0;
int h = frame->height;
if ((i == 1 || i == 2) && desc->nb_components >= 3)
- h = -((-h) >> desc->log2_chroma_h);
+ h = FF_CEIL_RSHIFT(h, desc->log2_chroma_h);
data = frame->data[i];
for (y = 0; y < h; y++) {
cksum = av_adler32_update(cksum, data, linesize[i]);