--- gmc.h 2003/06/28 15:54:16 1.1.2.1 +++ gmc.h 2003/09/11 15:29:32 1.1.2.4 @@ -1,33 +1,38 @@ -/************************************************************************** +/***************************************************************************** * - * XVID MPEG-4 VIDEO CODEC - * GMC interpolation module + * XVID MPEG-4 VIDEO CODEC + * - GMC interpolation module header - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * Copyright(C) 2002-2003 Pascal Massimino * - *************************************************************************/ + * This program is free software ; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation ; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY ; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program ; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * $Id: gmc.h,v 1.1.2.4 2003/09/11 15:29:32 syskin Exp $ + * + ****************************************************************************/ #include "../portab.h" #include "../global.h" /* This is borrowed from decoder.c */ -static __inline int gmc_sanitize(int value, int quarterpel, int fcode) +static __inline int +gmc_sanitize(int value, int quarterpel, int fcode) { int length = 1 << (fcode+4); -// if (quarterpel) value *= 2; + // if (quarterpel) value *= 2; if (value < -length) return -length; @@ -46,14 +51,14 @@ int n = 0; while (value) { - value >>= 1; - n++; + value >>= 1; + n++; } return n; #else __asm { - bsr eax, value - inc eax + bsr eax, value + inc eax } #endif } @@ -64,10 +69,7 @@ static int log2bin_table[16] = { 0, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 4}; */ -/* 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 */ - - - +/* 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 */ #define RDIV(a,b) (((a)>0 ? (a) + ((b)>>1) : (a) - ((b)>>1))/(b)) #define RSHIFT(a,b) ( (a)>0 ? ((a) + (1<<((b)-1)))>>(b) : ((a) + (1<<((b)-1))-1)>>(b)) @@ -87,41 +89,41 @@ // Conversely, *dst is the macroblock top-left adress. void Predict_16x16_C(const NEW_GMC_DATA * const This, - uint8_t *dst, const uint8_t *src, - int dststride, int srcstride, int x, int y, int rounding); + uint8_t *dst, const uint8_t *src, + int dststride, int srcstride, int x, int y, int rounding); void Predict_8x8_C(const NEW_GMC_DATA * const This, - uint8_t *uDst, const uint8_t *uSrc, - uint8_t *vDst, const uint8_t *vSrc, - int dststride, int srcstride, int x, int y, int rounding); + uint8_t *uDst, const uint8_t *uSrc, + uint8_t *vDst, const uint8_t *vSrc, + int dststride, int srcstride, int x, int y, int rounding); -void get_average_mv_C(NEW_GMC_DATA *Dsp, VECTOR * const mv, - int x, int y, int qpel); +void get_average_mv_C(const NEW_GMC_DATA * const Dsp, VECTOR * const mv, + int x, int y, int qpel); /* ************************************************************ */ // simplified version for 1 warp point void Predict_1pt_16x16_C(const NEW_GMC_DATA * const This, - uint8_t *Dst, const uint8_t *Src, - int dststride, int srcstride, int x, int y, int rounding); + uint8_t *Dst, const uint8_t *Src, + int dststride, int srcstride, int x, int y, int rounding); void Predict_1pt_8x8_C(const NEW_GMC_DATA * const This, - uint8_t *uDst, const uint8_t *uSrc, - uint8_t *vDst, const uint8_t *vSrc, - int dststride, int srcstride, int x, int y, int rounding); + uint8_t *uDst, const uint8_t *uSrc, + uint8_t *vDst, const uint8_t *vSrc, + int dststride, int srcstride, int x, int y, int rounding); -void get_average_mv_1pt_C(NEW_GMC_DATA *Dsp, VECTOR * const mv, - int x, int y, int qpel); +void get_average_mv_1pt_C(const NEW_GMC_DATA * const Dsp, VECTOR * const mv, + int x, int y, int qpel); /* ************************************************************* */ // Warning! It's Accuracy being passed, not 'resolution'! -void generate_GMCparameters( int nb_pts, const int accuracy, - const WARPPOINTS *const pts, - const int width, const int height, - NEW_GMC_DATA *const gmc); +void generate_GMCparameters(int nb_pts, const int accuracy, + const WARPPOINTS *const pts, + const int width, const int height, + NEW_GMC_DATA *const gmc); /* ******************************************************************* */