av_pix_fmt_get_chroma_sub_sample(st->codec->pix_fmt, &h_chroma_shift,
&v_chroma_shift);
// Shift right, rounding up
- width = -(-width >> h_chroma_shift);
- height = -(-height >> v_chroma_shift);
+ width = AV_CEIL_RSHIFT(width, h_chroma_shift);
+ height = AV_CEIL_RSHIFT(height, v_chroma_shift);
ptr1 = frame->data[1];
ptr2 = frame->data[2];