--- trunk/xvidcore/src/motion/motion_est.h 2003/04/08 11:12:07 976 +++ trunk/xvidcore/src/motion/motion_est.h 2003/06/19 10:06:40 1072 @@ -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_est.h,v 1.6 2003-04-08 11:12:07 syskin Exp $ + * $Id: motion_est.h,v 1.9 2003-06-19 10:06:40 syskin Exp $ * ***************************************************************************/ @@ -50,6 +50,8 @@ #define NEIGH_TEND_8X8 40.0 #define NEIGH_8X8_BIAS 30 +#define BITS_MULT 16 + /* Parameters which control inter/inter4v decision */ #define IMV16X16 2 @@ -135,8 +137,10 @@ VECTOR directmvF[4]; VECTOR directmvB[4]; const VECTOR * referencemv; -// _BITS stuff +// BITS/R-D stuff int16_t * dctSpace; + uint32_t iQuant; + uint32_t quant_type; } SearchData; @@ -218,12 +222,10 @@ const int y, const uint32_t MotionFlags, const uint32_t GlobalFlags, - const uint32_t iQuant, SearchData * const Data, const MBParam * const pParam, const MACROBLOCK * const pMBs, const MACROBLOCK * const prevMBs, - int inter4v, MACROBLOCK * const pMB); @@ -263,6 +265,9 @@ if (Flags & QUARTERPELREFINE8_BITS) Flags &= ~PMV_QUARTERPELREFINE8; + if (Flags & QUARTERPELREFINE16_BITS) + Flags &= ~PMV_QUARTERPELREFINE16; + if (!(GlobalFlags & XVID_QUARTERPEL)) Flags &= ~(PMV_QUARTERPELREFINE16+PMV_QUARTERPELREFINE8+QUARTERPELREFINE16_BITS+QUARTERPELREFINE8_BITS); @@ -281,6 +286,7 @@ #include "../quant/quant_mpeg4.h" #include "../quant/quant_h263.h" #include "../bitstream/vlc_codes.h" +#include "../dct/fdct.h" static int CountMBBitsInter(SearchData * const Data, @@ -301,4 +307,85 @@ int CodeCoeffIntra_CalcBits(const int16_t qcoeff[64], const uint16_t * zigzag); int CodeCoeffInter_CalcBits(const int16_t qcoeff[64], const uint16_t * zigzag); +#define LAMBDA ( (int)(1.0*BITS_MULT) ) + +static __inline unsigned int +Block_CalcBits( int16_t * const coeff, + int16_t * const data, + const uint32_t quant, const int quant_type, + uint32_t * cbp, + const int block) +{ + int sum; + int bits; + const int lambda = LAMBDA*quant*quant; + int distortion = 0; + int i; + + fdct(data); + + if (quant_type == 0) sum = quant_inter(coeff, data, quant); + else sum = quant4_inter(coeff, data, quant); + + if (sum > 0) { + *cbp |= 1 << (5 - block); + bits = BITS_MULT * CodeCoeffInter_CalcBits(coeff, scan_tables[0]); + } else bits = 0; + + if (quant_type == 0) dequant_inter(coeff, coeff, quant); + else dequant4_inter(coeff, coeff, quant); + + for (i = 0; i < 64; i++) { + distortion += (data[i] - coeff[i])*(data[i] - coeff[i]); + } + bits += (BITS_MULT*BITS_MULT*distortion)/lambda; + + return bits; +} + +static __inline unsigned int +Block_CalcBitsIntra(int16_t * const coeff, + int16_t * const data, + const uint32_t quant, const int quant_type, + uint32_t * cbp, + const int block, + int * dcpred) +{ + int bits, i; + const int lambda = LAMBDA*quant*quant; + int distortion = 0; + uint32_t iDcScaler = get_dc_scaler(quant, block < 4); + int b_dc; + + fdct(data); + data[0] -= 1024; + + if (quant_type == 0) quant_intra_c(coeff, data, quant, iDcScaler); // MUST BE _C + else quant4_intra_c(coeff, data, quant, iDcScaler); // MUST BE _C + + b_dc = coeff[0]; + if (block < 4) { + coeff[0] -= *dcpred; + *dcpred = b_dc; + } + + bits = BITS_MULT*CodeCoeffIntra_CalcBits(coeff, scan_tables[0]); + if (bits != 0) *cbp |= 1 << (5 - block); + + if (block < 4) bits += BITS_MULT*dcy_tab[coeff[0] + 255].len; + else bits += BITS_MULT*dcc_tab[coeff[0] + 255].len; + + coeff[0] = b_dc; + if (quant_type == 0) dequant_intra(coeff, coeff, quant, iDcScaler); + else dequant4_intra(coeff, coeff, quant, iDcScaler); + + for (i = 0; i < 64; i++) { + distortion += (data[i] - coeff[i])*(data[i] - coeff[i]); + } + + bits += (BITS_MULT*BITS_MULT*distortion)/lambda; + + return bits; +} + #endif /* _MOTION_EST_H_ */