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; Originally provided by Intel at AP-922 |
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; http://developer.intel.com/vtune/cbts/strmsimd/922down.htm |
; * |
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; (See more app notes at http://developer.intel.com/vtune/cbts/strmsimd/appnotes.htm) |
; * XVID MPEG-4 VIDEO CODEC |
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; but in a limited edition. |
; * mmx version - inverse discrete cosine transformation |
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; New macro implements a column part for precise iDCT |
; * |
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; The routine precision now satisfies IEEE standard 1180-1990. |
; * Initial version provided by Intel at AppNote AP-922 |
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; * Copyright (C) 1999 Intel Corporation, |
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; Copyright (c) 2000-2001 Peter Gubanov <peter@elecard.net.ru> |
; * |
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; Rounding trick Copyright (c) 2000 Michel Lespinasse <walken@zoy.org> |
; * Modifications |
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; * Copyright (c) 2000-2001 Peter Gubanov <peter@elecard.net.ru> |
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; http://www.elecard.com/peter/idct.html |
; * Copyright (c) 2000 Michel Lespinasse <walken@zoy.org> |
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; http://www.linuxvideo.org/mpeg2dec/ |
; * |
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; * ported to NASM and some minor changes |
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; * Copyright (C) 2001 Peter Ross <pross@xvid.org> |
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; * |
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; * This program is an implementation of a part of one or more MPEG-4 |
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; * Video tools as specified in ISO/IEC 14496-2 standard. Those intending |
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; * to use this software module in hardware or software products are |
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; * advised that its use may infringe existing patents or copyrights, and |
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; * any such use would be at such party's own risk. The original |
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; * developer of this software module and his/her company, and subsequent |
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; * editors and their companies, will have no liability for use of this |
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; * software or modifications or derivatives thereof. |
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; * |
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; * This program is free software; you can redistribute it and/or modify |
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; * it under the terms of the GNU General Public License as published by |
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; * the Free Software Foundation; either version 2 of the License, or |
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; * (at your option) any later version. |
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; * |
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; * This program is distributed in the hope that it will be useful, |
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; * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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; * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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; * GNU General Public License for more details. |
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; * |
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; * You should have received a copy of the GNU General Public License |
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; * along with this program; if not, write to the Free Software |
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; * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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; * |
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; *************************************************************************/ |
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;============================================================================= |
;============================================================================= |
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; |
; |
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; These examples contain code fragments for first stage iDCT 8x8 |
; These examples contain code fragments for first stage iDCT 8x8 |
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; (for rows) and first stage DCT 8x8 (for columns) |
; (for rows) and first stage DCT 8x8 (for columns) |
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; |
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;============================================================================= |
;============================================================================= |
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; 04.11.2001 nasm conversion; peter ross <pross@cs.rmit.edu.au> |
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bits 32 |
bits 32 |
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