242   const int mb_h = io->mb_h;  in EmitYUV()  local
245   for (j = 0; j < mb_h; ++j) {  in EmitYUV()
248   for (j = 0; j < (mb_h + 1) / 2; ++j) {  in EmitYUV()
252   return io->mb_h;  in EmitYUV()
265   const int last = io->mb_h - 1;  in EmitSampledRGB()
278   return io->mb_h;  in EmitSampledRGB()
294   const int last = io->mb_h;
303   return io->mb_h;
312   int num_lines_out = io->mb_h;   // a priori guess  in EmitFancyRGB()
324   int y_end = io->mb_y + io->mb_h;  in EmitFancyRGB()
378   const int mb_h = io->mb_h;  in EmitAlphaYUV()  local
384     for (j = 0; j < mb_h; ++j) {  in EmitAlphaYUV()
395   const int mb_h = io->mb_h;  in EmitAlphaRGB()  local
401     for (j = 0; j < mb_h; ++j) {  in EmitAlphaRGB()
525   const int mb_h = io->mb_h;  in EmitRescaledYUV()  local
526   const int uv_mb_h = (mb_h + 1) >> 1;  in EmitRescaledYUV()
527   const int num_lines_out = Rescale(io->y, io->y_stride, mb_h, &p->scaler_y);  in EmitRescaledYUV()
535     Rescale(io->a, io->width, io->mb_h, &p->scaler_a);  in EmitRescaledAlphaYUV()
553   const int uv_in_height = (io->mb_h + 1) >> 1;  in InitYUVRescaler()
568   InitRescaler(&p->scaler_y, io->mb_w, io->mb_h,  in InitYUVRescaler()
570                io->mb_w, out_width, io->mb_h, out_height,  in InitYUVRescaler()
584     InitRescaler(&p->scaler_a, io->mb_w, io->mb_h,  in InitYUVRescaler()
586                  io->mb_w, out_width, io->mb_h, out_height,  in InitYUVRescaler()
632   const int mb_h = io->mb_h;  in EmitRescaledRGB()  local
633   const int uv_mb_h = (mb_h + 1) >> 1;  in EmitRescaledRGB()
636   while (j < mb_h) {  in EmitRescaledRGB()
638                                   mb_h - j, &p->scaler_y);  in EmitRescaledRGB()
672     while (j < io->mb_h) {  in EmitRescaledAlphaRGB()
673       j += Import(io->a + j * io->width, io->width, io->mb_h - j, &p->scaler_a);  in EmitRescaledAlphaRGB()
685   const int uv_in_height = (io->mb_h + 1) >> 1;  in InitRGBRescaler()
704   InitRescaler(&p->scaler_y, io->mb_w, io->mb_h,  in InitRGBRescaler()
706                io->mb_w, out_width, io->mb_h, out_height,  in InitRGBRescaler()
710                io->mb_w, 2 * out_width, io->mb_h, 2 * out_height,  in InitRGBRescaler()
714                io->mb_w, 2 * out_width, io->mb_h, 2 * out_height,  in InitRGBRescaler()
719     InitRescaler(&p->scaler_a, io->mb_w, io->mb_h,  in InitRGBRescaler()
721                  io->mb_w, out_width, io->mb_h, out_height,  in InitRGBRescaler()
755   io->mb_h = h;  in InitFromOptions()
839   const int mb_h = io->mb_h;  in CustomPut()  local
843   if (mb_w <= 0 || mb_h <= 0) {  in CustomPut()