--- interpolate8x8.h 2002/10/05 21:30:50 1.5.2.2 +++ interpolate8x8.h 2003/02/11 21:56:31 1.9 @@ -1,5 +1,58 @@ -#ifndef _INTERPOLATE8X8_H_ -#define _INTERPOLATE8X8_H_ +/***************************************************************************** + * + * XVID MPEG-4 VIDEO CODEC + * - 8x8 block-based halfpel interpolation - headers + * + * Copyright(C) 2002 Peter Ross + * + * This file is part of XviD, a free MPEG-4 video encoder/decoder + * + * XviD 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 + * + * Under section 8 of the GNU General Public License, the copyright + * holders of XVID explicitly forbid distribution in the following + * countries: + * + * - Japan + * - United States of America + * + * Linking XviD statically or dynamically with other modules is making a + * combined work based on XviD. Thus, the terms and conditions of the + * GNU General Public License cover the whole combination. + * + * As a special exception, the copyright holders of XviD give you + * permission to link XviD with independent modules that communicate with + * XviD solely through the VFW1.1 and DShow interfaces, regardless of the + * license terms of these independent modules, and to copy and distribute + * the resulting combined work under terms of your choice, provided that + * every copy of the combined work is accompanied by a complete copy of + * the source code of XviD (the version of XviD used to produce the + * combined work), being distributed under the terms of the GNU General + * Public License plus this exception. An independent module is a module + * which is not derived from or based on XviD. + * + * Note that people who make modified versions of XviD are not obligated + * to grant this special exception for their modified versions; it is + * their choice whether to do so. The GNU General Public License gives + * permission to release a modified version without this exception; this + * exception also makes it possible to release a modified version which + * carries forward this exception. + * + * $Id: interpolate8x8.h,v 1.9 2003/02/11 21:56:31 edgomez Exp $ + * + ****************************************************************************/ #include "../utils/mem_transfer.h" @@ -9,59 +62,10 @@ const uint32_t rounding); typedef INTERPOLATE8X8 *INTERPOLATE8X8_PTR; -typedef void (INTERPOLATE8X8_AVG2) (uint8_t *dst, - const uint8_t *src1, - const uint8_t *src2, - const uint32_t stride, - const uint32_t rounding); -typedef INTERPOLATE8X8_AVG2 *INTERPOLATE8X8_AVG2_PTR; - -typedef void (INTERPOLATE8X8_AVG4) (uint8_t *dst, - const uint8_t *src1, - const uint8_t *src2, - const uint8_t *src3, - const uint8_t *src4, - const uint32_t stride, - const uint32_t rounding); -typedef INTERPOLATE8X8_AVG4 *INTERPOLATE8X8_AVG4_PTR; - -typedef void (INTERPOLATE8X8_LOWPASS) (uint8_t *dst, - uint8_t *src, - int32_t stride, - int32_t rounding); - -typedef INTERPOLATE8X8_LOWPASS *INTERPOLATE8X8_LOWPASS_PTR; - -typedef void (INTERPOLATE8X8_LOWPASS_HV) (uint8_t *dst1, - uint8_t *dst2, - uint8_t *src, - int32_t stride, - int32_t rounding); - -typedef INTERPOLATE8X8_LOWPASS_HV *INTERPOLATE8X8_LOWPASS_HV_PTR; - -typedef void (INTERPOLATE8X8_6TAP_LOWPASS) (uint8_t *dst, - uint8_t *src, - int32_t stride, - int32_t rounding); - -typedef INTERPOLATE8X8_6TAP_LOWPASS *INTERPOLATE8X8_6TAP_LOWPASS_PTR; - extern INTERPOLATE8X8_PTR interpolate8x8_halfpel_h; extern INTERPOLATE8X8_PTR interpolate8x8_halfpel_v; extern INTERPOLATE8X8_PTR interpolate8x8_halfpel_hv; -extern INTERPOLATE8X8_AVG2_PTR interpolate8x8_avg2; -extern INTERPOLATE8X8_AVG4_PTR interpolate8x8_avg4; - -extern INTERPOLATE8X8_LOWPASS_PTR interpolate8x8_lowpass_h; -extern INTERPOLATE8X8_LOWPASS_PTR interpolate8x8_lowpass_v; - -extern INTERPOLATE8X8_LOWPASS_HV_PTR interpolate8x8_lowpass_hv; - -extern INTERPOLATE8X8_6TAP_LOWPASS_PTR interpolate8x8_6tap_lowpass_h; -extern INTERPOLATE8X8_6TAP_LOWPASS_PTR interpolate8x8_6tap_lowpass_v; - INTERPOLATE8X8 interpolate8x8_halfpel_h_c; INTERPOLATE8X8 interpolate8x8_halfpel_v_c; INTERPOLATE8X8 interpolate8x8_halfpel_hv_c; @@ -82,21 +86,11 @@ INTERPOLATE8X8 interpolate8x8_halfpel_v_ia64; INTERPOLATE8X8 interpolate8x8_halfpel_hv_ia64; -INTERPOLATE8X8_AVG2 interpolate8x8_avg2_c; -INTERPOLATE8X8_AVG4 interpolate8x8_avg4_c; - -INTERPOLATE8X8_AVG2 interpolate8x8_avg2_mmx; -INTERPOLATE8X8_AVG4 interpolate8x8_avg4_mmx; - -INTERPOLATE8X8_LOWPASS interpolate8x8_lowpass_h_c; -INTERPOLATE8X8_LOWPASS interpolate8x8_lowpass_v_c; -INTERPOLATE8X8_LOWPASS_HV interpolate8x8_lowpass_hv_c; - -INTERPOLATE8X8_6TAP_LOWPASS interpolate8x8_6tap_lowpass_h_c; -INTERPOLATE8X8_6TAP_LOWPASS interpolate8x8_6tap_lowpass_v_c; - -INTERPOLATE8X8_6TAP_LOWPASS interpolate8x8_6tap_lowpass_h_mmx; -INTERPOLATE8X8_6TAP_LOWPASS interpolate8x8_6tap_lowpass_v_mmx; +void interpolate8x8_c(uint8_t * const dst, + const uint8_t * const src, + const uint32_t x, + const uint32_t y, + const uint32_t stride); static __inline void interpolate8x8_switch(uint8_t * const cur, @@ -110,7 +104,7 @@ { int32_t ddx, ddy; - switch (((dx & 1) << 1) + (dy & 1)) // ((dx%2)?2:0)+((dy%2)?1:0) + switch (((dx & 1) << 1) + (dy & 1)) /* ((dx%2)?2:0)+((dy%2)?1:0) */ { case 0: ddx = dx / 2; @@ -145,171 +139,3 @@ } } -static __inline uint8_t * -interpolate8x8_switch2(uint8_t * const buffer, - const uint8_t * const refn, - const uint32_t x, - const uint32_t y, - const int32_t dx, - const int dy, - const uint32_t stride, - const uint32_t rounding) -{ - int32_t ddx, ddy; - - switch (((dx & 1) << 1) + (dy & 1)) // ((dx%2)?2:0)+((dy%2)?1:0) - { - case 0: - return (uint8_t *)refn + (int)((y + dy/2) * stride + x + dx/2); - - case 1: - ddx = dx / 2; - ddy = (dy - 1) / 2; - interpolate8x8_halfpel_v(buffer, - refn + (int)((y + ddy) * stride + x + ddx), stride, - rounding); - break; - - case 2: - ddx = (dx - 1) / 2; - ddy = dy / 2; - interpolate8x8_halfpel_h(buffer, - refn + (int)((y + ddy) * stride + x + ddx), stride, - rounding); - break; - - default: - ddx = (dx - 1) / 2; - ddy = (dy - 1) / 2; - interpolate8x8_halfpel_hv(buffer, - refn + (int)((y + ddy) * stride + x + ddx), stride, - rounding); - break; - } - return buffer; -} - - -static __inline void interpolate8x8_quarterpel(uint8_t * const cur, - uint8_t * const refn, - uint8_t * const refh, - uint8_t * const refv, - uint8_t * const refhv, - const uint32_t x, const uint32_t y, - const int32_t dx, const int dy, - const uint32_t stride, - const uint32_t rounding) -{ - const int32_t xRef = x*4 + dx; - const int32_t yRef = y*4 + dy; - - uint8_t *src, *dst; - uint8_t *halfpel_h, *halfpel_v, *halfpel_hv; - int32_t x_int, y_int, x_frac, y_frac; - - x_int = xRef/4; - if (xRef < 0 && xRef % 4) - x_int--; - - x_frac = xRef - (4*x_int); - - y_int = yRef/4; - if (yRef < 0 && yRef % 4) - y_int--; - - y_frac = yRef - (4*y_int); - - src = refn + y_int * stride + x_int; - halfpel_h = refh; - halfpel_v = refv; - halfpel_hv = refhv; - - dst = cur + y * stride + x; - - switch((y_frac << 2) | (x_frac)) { - - case 0: - transfer8x8_copy(dst, src, stride); - break; - - case 1: - interpolate8x8_lowpass_h(halfpel_h, src, stride, rounding); - interpolate8x8_avg2(dst, src, halfpel_h, stride, rounding); - break; - - case 2: - interpolate8x8_lowpass_h(dst, src, stride, rounding); - break; - - case 3: - interpolate8x8_lowpass_h(halfpel_h, src, stride, rounding); - interpolate8x8_avg2(dst, src + 1, halfpel_h, stride, rounding); - break; - - case 4: - interpolate8x8_lowpass_v(halfpel_v, src, stride, rounding); - interpolate8x8_avg2(dst, src, halfpel_v, stride, rounding); - break; - - case 5: - interpolate8x8_lowpass_v(halfpel_v, src, stride, rounding); - interpolate8x8_lowpass_hv(halfpel_hv, halfpel_h, src, stride, rounding); - interpolate8x8_avg4(dst, src, halfpel_h, halfpel_v, halfpel_hv, stride, rounding); - break; - - case 6: - interpolate8x8_lowpass_hv(halfpel_hv, halfpel_h, src, stride, rounding); - interpolate8x8_avg2(dst, halfpel_h, halfpel_hv, stride, rounding); - break; - - case 7: - interpolate8x8_lowpass_v(halfpel_v, src+1, stride, rounding); - interpolate8x8_lowpass_hv(halfpel_hv, halfpel_h, src, stride, rounding); - interpolate8x8_avg4(dst, src+1, halfpel_h, halfpel_v, halfpel_hv, stride, rounding); - break; - - case 8: - interpolate8x8_lowpass_v(dst, src, stride, rounding); - break; - - case 9: - interpolate8x8_lowpass_v(halfpel_v, src, stride, rounding); - interpolate8x8_lowpass_hv(halfpel_hv, halfpel_h, src, stride, rounding); - interpolate8x8_avg2(dst, halfpel_v, halfpel_hv, stride, rounding); - break; - - case 10: - interpolate8x8_lowpass_hv(dst, halfpel_h, src, stride, rounding); - break; - - case 11: - interpolate8x8_lowpass_v(halfpel_v, src+1, stride, rounding); - interpolate8x8_lowpass_hv(halfpel_hv, halfpel_h, src, stride, rounding); - interpolate8x8_avg2(dst, halfpel_v, halfpel_hv, stride, rounding); - break; - - case 12: - interpolate8x8_lowpass_v(halfpel_v, src, stride, rounding); - interpolate8x8_avg2(dst, src+stride, halfpel_v, stride, rounding); - break; - - case 13: - interpolate8x8_lowpass_v(halfpel_v, src, stride, rounding); - interpolate8x8_lowpass_hv(halfpel_hv, halfpel_h, src, stride, rounding); - interpolate8x8_avg4(dst, src+stride, halfpel_h+stride, halfpel_v, halfpel_hv, stride, rounding); - break; - - case 14: - interpolate8x8_lowpass_hv(halfpel_hv, halfpel_h, src, stride, rounding); - interpolate8x8_avg2(dst, halfpel_h+stride, halfpel_hv, stride, rounding); - break; - - case 15: - interpolate8x8_lowpass_v(halfpel_v, src+1, stride, rounding); - interpolate8x8_lowpass_hv(halfpel_hv, halfpel_h, src, stride, rounding); - interpolate8x8_avg4(dst, src+stride+1, halfpel_h+stride, halfpel_v, halfpel_hv, stride, rounding); - break; - } -} - -#endif \ No newline at end of file