--- branches/dev-api-3/xvidcore/src/motion/motion.h 2002/10/28 11:32:50 615 +++ branches/dev-api-3/xvidcore/src/motion/motion.h 2002/10/30 18:06:41 616 @@ -26,7 +26,7 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * - * $Id: motion.h,v 1.13.2.3 2002-10-03 08:26:19 syskin Exp $ + * $Id: motion.h,v 1.13.2.4 2002-10-30 18:01:34 Isibaar Exp $ * ***************************************************************************/ @@ -42,16 +42,28 @@ #define MVzero(A) ( ((A).x)==(0) && ((A).y)==(0) ) #define MVequal(A,B) ( ((A).x)==((B).x) && ((A).y)==((B).y) ) +static const uint32_t roundtab[16] = + { 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2 }; + +/* + * modified rounding tables + * original tables see ISO spec tables 7-6 -> 7-9 + */ + +/* K = 4 */ +static const uint32_t roundtab_76[16] = { 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1 }; +/* K = 2 */ +static const uint32_t roundtab_78[8] = { 0, 0, 1, 1, 0, 0, 0, 1 }; +/* K = 1 */ +static const uint32_t roundtab_79[4] = { 0, 1, 0, 0 }; + + /* * getref: calculate reference image pointer * the decision to use interpolation h/v/hv or the normal image is * based on dx & dy. */ -static const uint32_t roundtab[16] = - { 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2 }; - - static __inline const uint8_t * get_ref(const uint8_t * const refn, const uint8_t * const refh,