243 #define SATURATE_RIGHT_SHIFT(src, scale, dBits)                            \  argument
244   ((((LONG)(src) >> (scale)) > (LONG)(((1U) << ((dBits)-1)) - 1))          \
245        ? (LONG)(((1U) << ((dBits)-1)) - 1)                                 \
246        : (((LONG)(src) >> (scale)) < ~((LONG)(((1U) << ((dBits)-1)) - 1))) \
247              ? ~((LONG)(((1U) << ((dBits)-1)) - 1))                        \
252 #define SATURATE_LEFT_SHIFT(src, scale, dBits)                           \  argument
253   (((LONG)(src) > ((LONG)(((1U) << ((dBits)-1)) - 1) >> (scale)))        \
254        ? (LONG)(((1U) << ((dBits)-1)) - 1)                               \
255        : ((LONG)(src) < ~((LONG)(((1U) << ((dBits)-1)) - 1) >> (scale))) \
256              ? ~((LONG)(((1U) << ((dBits)-1)) - 1))                      \
261 #define SATURATE_SHIFT(src, scale, dBits)                        \  argument
262   (((scale) < 0) ? SATURATE_LEFT_SHIFT((src), -(scale), (dBits)) \
263                  : SATURATE_RIGHT_SHIFT((src), (scale), (dBits)))
271 #define SATURATE_LEFT_SHIFT_ALT(src, scale, dBits)                        \  argument
272   (((LONG)(src) > ((LONG)(((1U) << ((dBits)-1)) - 1) >> (scale)))         \
273        ? (LONG)(((1U) << ((dBits)-1)) - 1)                                \
274        : ((LONG)(src) <= ~((LONG)(((1U) << ((dBits)-1)) - 1) >> (scale))) \
275              ? ~((LONG)(((1U) << ((dBits)-1)) - 2))                       \
280 #define SATURATE_RIGHT_SHIFT_ALT(src, scale, dBits)                        \  argument
281   ((((LONG)(src) >> (scale)) > (LONG)(((1U) << ((dBits)-1)) - 1))          \
282        ? (LONG)(((1U) << ((dBits)-1)) - 1)                                 \
283        : (((LONG)(src) >> (scale)) < ~((LONG)(((1U) << ((dBits)-1)) - 2))) \
284              ? ~((LONG)(((1U) << ((dBits)-1)) - 2))                        \