Lines Matching refs:vsub
67 int hsub, vsub; ///< chroma subsampling values
114 over->vsub = pix_desc->log2_chroma_h;
282 int vsub = i ? over->vsub : 0;
284 (start_y >> vsub) * dst->linesize[i];
288 int hp = FFALIGN(height, 1<<vsub) >> vsub;
290 sp += ((slice_y - y) >> vsub) * src->linesize[i];
298 if (hsub && vsub && j+1 < hp && k+1 < wp) {
301 } else if (hsub || vsub) {
304 alpha_v = vsub && j+1 < hp ?
315 ap += (1 << vsub) * src->linesize[3];