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Lines Matching refs:y_start

568 static int SetCropWindow(VP8Io* const io, int y_start, int y_end,
570   assert(y_start < y_end);
575   if (y_start < io->crop_top) {
576     const int delta = io->crop_top - y_start;
577     y_start = io->crop_top;
580   if (y_start >= y_end) return 0;  // Crop window is empty.
584   io->mb_y = y_start - io->crop_top;
586   io->mb_h = y_end - y_start;