4019    int max_pixel_depth;  in png_read_start_row()  local
4050    max_pixel_depth = png_ptr->pixel_depth;  in png_read_start_row()
4054       max_pixel_depth = 8;  in png_read_start_row()
4063             max_pixel_depth = 32;  in png_read_start_row()
4065             max_pixel_depth = 24;  in png_read_start_row()
4069          if (max_pixel_depth < 8)  in png_read_start_row()
4070             max_pixel_depth = 8;  in png_read_start_row()
4072             max_pixel_depth *= 2;  in png_read_start_row()
4078             max_pixel_depth *= 4;  in png_read_start_row()
4079             max_pixel_depth /= 3;  in png_read_start_row()
4089          max_pixel_depth = 32;  in png_read_start_row()
4092          if (max_pixel_depth <= 8)  in png_read_start_row()
4093             max_pixel_depth = 16;  in png_read_start_row()
4095             max_pixel_depth = 32;  in png_read_start_row()
4099          if (max_pixel_depth <= 32)  in png_read_start_row()
4100             max_pixel_depth = 32;  in png_read_start_row()
4102             max_pixel_depth = 64;  in png_read_start_row()
4119          if (max_pixel_depth <= 16)  in png_read_start_row()
4120             max_pixel_depth = 32;  in png_read_start_row()
4122             max_pixel_depth = 64;  in png_read_start_row()
4126          if (max_pixel_depth <= 8)  in png_read_start_row()
4129                max_pixel_depth = 32;  in png_read_start_row()
4131                max_pixel_depth = 24;  in png_read_start_row()
4134             max_pixel_depth = 64;  in png_read_start_row()
4136             max_pixel_depth = 48;  in png_read_start_row()
4147        if(user_pixel_depth > max_pixel_depth)  in png_read_start_row()
4148          max_pixel_depth=user_pixel_depth;  in png_read_start_row()
4157    row_bytes = PNG_ROWBYTES(max_pixel_depth,row_bytes) +  in png_read_start_row()
4158       1 + ((max_pixel_depth + 7) >> 3);  in png_read_start_row()