--- trunk/xvidcore/src/image/image.c 2002/07/21 03:30:25 323 +++ trunk/xvidcore/src/image/image.c 2002/09/07 09:04:41 435 @@ -1,43 +1,34 @@ -/************************************************************************** +/***************************************************************************** * - * XVID MPEG-4 VIDEO CODEC - * image stuff + * XVID MPEG-4 VIDEO CODEC + * - image module - * - * 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. + * Copyright(C) 2002 Peter Ross * - * 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. + * This program is an implementation of a part of one or more MPEG-4 + * Video tools as specified in ISO/IEC 14496-2 standard. Those intending + * to use this software module in hardware or software products are + * advised that its use may infringe existing patents or copyrights, and + * any such use would be at such party's own risk. The original + * developer of this software module and his/her company, and subsequent + * editors and their companies, will have no liability for use of this + * software or modifications or derivatives thereof. * - * 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. + * 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. * - *************************************************************************/ - -/************************************************************************** - * - * History: + * 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. * - * 01.05.2002 BFRAME image-based u,v interpolation - * 22.04.2002 added some B-frame support - * 14.04.2002 added image_dump_yuvpgm(), added image_mad() - * XVID_CSP_USER input support - * 09.04.2002 PSNR calculations - * 06.04.2002 removed interlaced edging from U,V blocks (as per spec) - * 26.03.2002 interlacing support (field-based edging in set_edges) - * 26.01.2002 rgb555, rgb565 - * 07.01.2001 commented u,v interpolation (not required for uv-block-based) - * 23.12.2001 removed #ifdefs, added function pointers + init_common() - * 22.12.2001 cpu #ifdefs - * 19.12.2001 image_dump(); useful for debugging - * 6.12.2001 inital version; (c)2001 peter ross + * 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 * - *************************************************************************/ + ****************************************************************************/ #include #include // memcpy, memset @@ -165,18 +156,18 @@ src = image->y; for (i = 0; i < EDGE_SIZE; i++) { - // if interlacing, edges contain top-most data from each field +/* // if interlacing, edges contain top-most data from each field if (interlacing && (i & 1)) { memset(dst, *(src + edged_width), EDGE_SIZE); memcpy(dst + EDGE_SIZE, src + edged_width, width); memset(dst + edged_width - EDGE_SIZE, *(src + edged_width + width - 1), EDGE_SIZE); - } else { + } else {*/ memset(dst, *src, EDGE_SIZE); memcpy(dst + EDGE_SIZE, src, width); memset(dst + edged_width - EDGE_SIZE, *(src + width - 1), EDGE_SIZE); - } + /*}*/ dst += edged_width; } @@ -189,18 +180,18 @@ src -= edged_width; for (i = 0; i < EDGE_SIZE; i++) { - // if interlacing, edges contain bottom-most data from each field +/* // if interlacing, edges contain bottom-most data from each field if (interlacing && !(i & 1)) { memset(dst, *(src - edged_width), EDGE_SIZE); memcpy(dst + EDGE_SIZE, src - edged_width, width); memset(dst + edged_width - EDGE_SIZE, *(src - edged_width + width - 1), EDGE_SIZE); - } else { + } else {*/ memset(dst, *src, EDGE_SIZE); memcpy(dst + EDGE_SIZE, src, width); memset(dst + edged_width - EDGE_SIZE, *(src + width - 1), EDGE_SIZE); - } + /*}*/ dst += edged_width; } @@ -274,13 +265,6 @@ const uint32_t offset = EDGE_SIZE * (edged_width + 1); const uint32_t stride_add = 7 * edged_width; -#ifdef BFRAMES - const uint32_t edged_width2 = edged_width / 2; - const uint32_t edged_height2 = edged_height / 2; - const uint32_t offset2 = EDGE_SIZE2 * (edged_width2 + 1); - const uint32_t stride_add2 = 7 * edged_width2; -#endif - uint8_t *n_ptr, *h_ptr, *v_ptr, *hv_ptr; uint32_t x, y; @@ -312,62 +296,6 @@ n_ptr += stride_add; } -#ifdef BFRAMES - n_ptr = refn->u; - h_ptr = refh->u; - v_ptr = refv->u; - hv_ptr = refhv->u; - - n_ptr -= offset2; - h_ptr -= offset2; - v_ptr -= offset2; - hv_ptr -= offset2; - - for (y = 0; y < edged_height2; y = y + 8) { - for (x = 0; x < edged_width2; x = x + 8) { - interpolate8x8_halfpel_h(h_ptr, n_ptr, edged_width2, rounding); - interpolate8x8_halfpel_v(v_ptr, n_ptr, edged_width2, rounding); - interpolate8x8_halfpel_hv(hv_ptr, n_ptr, edged_width2, rounding); - - n_ptr += 8; - h_ptr += 8; - v_ptr += 8; - hv_ptr += 8; - } - h_ptr += stride_add2; - v_ptr += stride_add2; - hv_ptr += stride_add2; - n_ptr += stride_add2; - } - - n_ptr = refn->v; - h_ptr = refh->v; - v_ptr = refv->v; - hv_ptr = refhv->v; - - n_ptr -= offset2; - h_ptr -= offset2; - v_ptr -= offset2; - hv_ptr -= offset2; - - for (y = 0; y < edged_height2; y = y + 8) { - for (x = 0; x < edged_width2; x = x + 8) { - interpolate8x8_halfpel_h(h_ptr, n_ptr, edged_width2, rounding); - interpolate8x8_halfpel_v(v_ptr, n_ptr, edged_width2, rounding); - interpolate8x8_halfpel_hv(hv_ptr, n_ptr, edged_width2, rounding); - - n_ptr += 8; - h_ptr += 8; - v_ptr += 8; - hv_ptr += 8; - } - h_ptr += stride_add2; - v_ptr += stride_add2; - hv_ptr += stride_add2; - n_ptr += stride_add2; - } -#endif - /* interpolate_halfpel_h( refh->y - offset,