int i, plane, vsub = desc->log2_chroma_h;
for (plane = 0; frame->data[plane] && plane < 4; plane++) {
- size_t linesize = av_image_get_linesize(frame->format, frame->width, plane);
uint8_t *data = frame->data[plane];
int h = plane == 1 || plane == 2 ? inlink->h >> vsub : inlink->h;
+ int linesize = av_image_get_linesize(frame->format, frame->width, plane);
+ if (linesize < 0)
+ return linesize;
for (i = 0; i < h; i++) {
plane_checksum[plane] = av_adler32_update(plane_checksum[plane], data, linesize);