segments = bytestream2_get_le16u(gb);
while ((segments & 0xC000) == 0xC000) {
unsigned skip_lines = -(int16_t)segments;
- unsigned delta = -((int16_t)segments * width);
+ int64_t delta = -((int16_t)segments * (int64_t)width);
if (frame_end - frame <= delta || y + lines + skip_lines > height)
return AVERROR_INVALIDDATA;
frame += delta;