4387    unsigned int max_pixel_depth;  in png_read_start_row()  local
4416    max_pixel_depth = (unsigned int)png_ptr->pixel_depth;  in png_read_start_row()
4430       max_pixel_depth = 8;  in png_read_start_row()
4439             max_pixel_depth = 32;  in png_read_start_row()
4442             max_pixel_depth = 24;  in png_read_start_row()
4447          if (max_pixel_depth < 8)  in png_read_start_row()
4448             max_pixel_depth = 8;  in png_read_start_row()
4451             max_pixel_depth *= 2;  in png_read_start_row()
4458             max_pixel_depth *= 4;  in png_read_start_row()
4459             max_pixel_depth /= 3;  in png_read_start_row()
4475             max_pixel_depth *= 2;  in png_read_start_row()
4488          if (max_pixel_depth <= 8)  in png_read_start_row()
4489             max_pixel_depth = 16;  in png_read_start_row()
4492             max_pixel_depth = 32;  in png_read_start_row()
4498          if (max_pixel_depth <= 32)  in png_read_start_row()
4499             max_pixel_depth = 32;  in png_read_start_row()
4502             max_pixel_depth = 64;  in png_read_start_row()
4520          if (max_pixel_depth <= 16)  in png_read_start_row()
4521             max_pixel_depth = 32;  in png_read_start_row()
4524             max_pixel_depth = 64;  in png_read_start_row()
4529          if (max_pixel_depth <= 8)  in png_read_start_row()
4532                max_pixel_depth = 32;  in png_read_start_row()
4535                max_pixel_depth = 24;  in png_read_start_row()
4539             max_pixel_depth = 64;  in png_read_start_row()
4542             max_pixel_depth = 48;  in png_read_start_row()
4554       if (user_pixel_depth > max_pixel_depth)  in png_read_start_row()
4555          max_pixel_depth = user_pixel_depth;  in png_read_start_row()
4562    png_ptr->maximum_pixel_depth = (png_byte)max_pixel_depth;  in png_read_start_row()
4572    row_bytes = PNG_ROWBYTES(max_pixel_depth, row_bytes) +  in png_read_start_row()
4573        1 + ((max_pixel_depth + 7) >> 3U);  in png_read_start_row()