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;/************************************************************************** |
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; * |
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; * XVID MPEG-4 VIDEO CODEC |
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; * mmx quantization/dequantization |
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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., 675 Mass Ave, Cambridge, MA 02139, USA. |
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; * |
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; *************************************************************************/ |
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|
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;/************************************************************************** |
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; * |
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; * History: |
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; * |
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; * 09.08.2002 sse2 dequant funcs revamped |
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; * 14.06.2002 mmx+xmm dequant_* funcs revamped -Skal- |
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; * 24.02.2002 sse2 quant_intra / dequant_intra (have to use movdqu ???) |
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; * 17.04.2002 sse2 quant_inter / dequant_inter |
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; * 26.12.2001 minor bug fixes, dequant saturate, further optimization |
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; * 19.11.2001 quant_inter_mmx now returns sum of abs. coefficient values |
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; * 04.11.2001 nasm version; (c)2001 peter ross <pross@cs.rmit.edu.au> |
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; * |
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; *************************************************************************/ |
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|
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; enable dequant saturate [-2048,2047], test purposes only. |
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%define SATURATE |
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|
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; data/text alignment |
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%define ALIGN 8 |
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|
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bits 32 |
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|
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section .data |
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|
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|
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%macro cglobal 1 |
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%ifdef PREFIX |
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global _%1 |
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%define %1 _%1 |
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%else |
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global %1 |
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%endif |
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%endmacro |
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|
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align 16 |
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|
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plus_one times 8 dw 1 |
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|
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;=========================================================================== |
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; |
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; subtract by Q/2 table |
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; |
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;=========================================================================== |
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|
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%macro MMX_SUB 1 |
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times 4 dw %1 / 2 |
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%endmacro |
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|
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align 16 |
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mmx_sub |
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MMX_SUB 1 |
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MMX_SUB 2 |
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MMX_SUB 3 |
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MMX_SUB 4 |
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MMX_SUB 5 |
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MMX_SUB 6 |
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MMX_SUB 7 |
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MMX_SUB 8 |
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MMX_SUB 9 |
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MMX_SUB 10 |
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MMX_SUB 11 |
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MMX_SUB 12 |
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MMX_SUB 13 |
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MMX_SUB 14 |
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MMX_SUB 15 |
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MMX_SUB 16 |
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MMX_SUB 17 |
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MMX_SUB 18 |
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MMX_SUB 19 |
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MMX_SUB 20 |
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MMX_SUB 21 |
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MMX_SUB 22 |
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MMX_SUB 23 |
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MMX_SUB 24 |
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MMX_SUB 25 |
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MMX_SUB 26 |
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MMX_SUB 27 |
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MMX_SUB 28 |
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MMX_SUB 29 |
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MMX_SUB 30 |
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MMX_SUB 31 |
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|
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|
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|
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;=========================================================================== |
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; |
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; divide by 2Q table |
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; |
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; use a shift of 16 to take full advantage of _pmulhw_ |
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; for q=1, _pmulhw_ will overflow so it is treated seperately |
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; (3dnow2 provides _pmulhuw_ which wont cause overflow) |
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; |
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;=========================================================================== |
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|
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%macro MMX_DIV 1 |
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times 4 dw (1 << 16) / (%1 * 2) + 1 |
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%endmacro |
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|
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align 16 |
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mmx_div |
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MMX_DIV 1 |
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MMX_DIV 2 |
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MMX_DIV 3 |
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MMX_DIV 4 |
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MMX_DIV 5 |
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MMX_DIV 6 |
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MMX_DIV 7 |
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MMX_DIV 8 |
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MMX_DIV 9 |
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MMX_DIV 10 |
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MMX_DIV 11 |
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MMX_DIV 12 |
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MMX_DIV 13 |
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MMX_DIV 14 |
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MMX_DIV 15 |
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MMX_DIV 16 |
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MMX_DIV 17 |
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MMX_DIV 18 |
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MMX_DIV 19 |
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MMX_DIV 20 |
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MMX_DIV 21 |
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MMX_DIV 22 |
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MMX_DIV 23 |
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MMX_DIV 24 |
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MMX_DIV 25 |
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MMX_DIV 26 |
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MMX_DIV 27 |
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MMX_DIV 28 |
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MMX_DIV 29 |
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MMX_DIV 30 |
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MMX_DIV 31 |
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|
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|
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|
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;=========================================================================== |
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; |
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; add by (odd(Q) ? Q : Q - 1) table |
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; |
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;=========================================================================== |
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|
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%macro MMX_ADD 1 |
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%if %1 % 2 != 0 |
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times 4 dw %1 |
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%else |
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times 4 dw %1 - 1 |
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%endif |
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%endmacro |
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|
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align 16 |
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mmx_add |
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MMX_ADD 1 |
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MMX_ADD 2 |
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MMX_ADD 3 |
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MMX_ADD 4 |
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MMX_ADD 5 |
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MMX_ADD 6 |
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MMX_ADD 7 |
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MMX_ADD 8 |
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MMX_ADD 9 |
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MMX_ADD 10 |
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MMX_ADD 11 |
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MMX_ADD 12 |
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MMX_ADD 13 |
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MMX_ADD 14 |
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MMX_ADD 15 |
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MMX_ADD 16 |
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MMX_ADD 17 |
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MMX_ADD 18 |
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MMX_ADD 19 |
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MMX_ADD 20 |
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MMX_ADD 21 |
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MMX_ADD 22 |
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MMX_ADD 23 |
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MMX_ADD 24 |
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MMX_ADD 25 |
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MMX_ADD 26 |
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MMX_ADD 27 |
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MMX_ADD 28 |
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MMX_ADD 29 |
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MMX_ADD 30 |
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MMX_ADD 31 |
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|
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|
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;=========================================================================== |
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; |
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; multiple by 2Q table |
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; |
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;=========================================================================== |
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|
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%macro MMX_MUL 1 |
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times 4 dw %1 * 2 |
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%endmacro |
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|
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align 16 |
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mmx_mul |
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MMX_MUL 1 |
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MMX_MUL 2 |
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MMX_MUL 3 |
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MMX_MUL 4 |
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MMX_MUL 5 |
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MMX_MUL 6 |
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MMX_MUL 7 |
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MMX_MUL 8 |
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MMX_MUL 9 |
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MMX_MUL 10 |
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MMX_MUL 11 |
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MMX_MUL 12 |
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MMX_MUL 13 |
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MMX_MUL 14 |
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MMX_MUL 15 |
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MMX_MUL 16 |
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MMX_MUL 17 |
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MMX_MUL 18 |
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MMX_MUL 19 |
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MMX_MUL 20 |
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MMX_MUL 21 |
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MMX_MUL 22 |
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MMX_MUL 23 |
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MMX_MUL 24 |
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MMX_MUL 25 |
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MMX_MUL 26 |
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MMX_MUL 27 |
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MMX_MUL 28 |
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MMX_MUL 29 |
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MMX_MUL 30 |
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MMX_MUL 31 |
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|
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|
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;=========================================================================== |
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; |
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; saturation limits |
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; |
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;=========================================================================== |
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|
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align 16 |
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sse2_2047 times 8 dw 2047 |
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|
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align 16 |
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mmx_2047 times 4 dw 2047 |
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|
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align 8 |
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mmx_32768_minus_2048 times 4 dw (32768-2048) |
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mmx_32767_minus_2047 times 4 dw (32767-2047) |
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|
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|
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section .text |
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|
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|
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;=========================================================================== |
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; |
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; void quant_intra_mmx(int16_t * coeff, |
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; const int16_t const * data, |
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; const uint32_t quant, |
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; const uint32_t dcscalar); |
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; |
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;=========================================================================== |
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|
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align ALIGN |
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cglobal quant_h263_intra_mmx |
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quant_h263_intra_mmx: |
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|
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push ecx |
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push esi |
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push edi |
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|
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mov edi, [esp + 12 + 4] ; coeff |
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mov esi, [esp + 12 + 8] ; data |
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mov eax, [esp + 12 + 12] ; quant |
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|
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xor ecx, ecx |
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cmp al, 1 |
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jz .q1loop |
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|
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movq mm7, [mmx_div + eax * 8 - 8] |
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align ALIGN |
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.loop |
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movq mm0, [esi + 8*ecx] ; mm0 = [1st] |
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movq mm3, [esi + 8*ecx + 8] ; |
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pxor mm1, mm1 ; mm1 = 0 |
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pxor mm4, mm4 ; |
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pcmpgtw mm1, mm0 ; mm1 = (0 > mm0) |
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pcmpgtw mm4, mm3 ; |
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pxor mm0, mm1 ; mm0 = |mm0| |
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pxor mm3, mm4 ; |
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psubw mm0, mm1 ; displace |
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psubw mm3, mm4 ; |
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pmulhw mm0, mm7 ; mm0 = (mm0 / 2Q) >> 16 |
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pmulhw mm3, mm7 ; |
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pxor mm0, mm1 ; mm0 *= sign(mm0) |
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pxor mm3, mm4 ; |
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psubw mm0, mm1 ; undisplace |
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psubw mm3, mm4 ; |
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movq [edi + 8*ecx], mm0 |
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movq [edi + 8*ecx + 8], mm3 |
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|
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add ecx,2 |
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cmp ecx,16 |
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jnz .loop |
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|
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.done |
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; caclulate data[0] // (int32_t)dcscalar) |
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|
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mov ecx, [esp + 12 + 16] ; dcscalar |
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mov edx, ecx |
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movsx eax, word [esi] ; data[0] |
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shr edx, 1 ; edx = dcscalar /2 |
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cmp eax, 0 |
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jg .gtzero |
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|
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sub eax, edx |
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jmp short .mul |
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.gtzero |
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add eax, edx |
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.mul |
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cdq ; expand eax -> edx:eax |
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idiv ecx ; eax = edx:eax / dcscalar |
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|
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mov [edi], ax ; coeff[0] = ax |
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|
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pop edi |
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pop esi |
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pop ecx |
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|
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ret |
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|
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align ALIGN |
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.q1loop |
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movq mm0, [esi + 8*ecx] ; mm0 = [1st] |
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movq mm3, [esi + 8*ecx + 8] ; |
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pxor mm1, mm1 ; mm1 = 0 |
361 |
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pxor mm4, mm4 ; |
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pcmpgtw mm1, mm0 ; mm1 = (0 > mm0) |
363 |
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pcmpgtw mm4, mm3 ; |
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pxor mm0, mm1 ; mm0 = |mm0| |
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pxor mm3, mm4 ; |
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psubw mm0, mm1 ; displace |
367 |
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psubw mm3, mm4 ; |
368 |
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psrlw mm0, 1 ; mm0 >>= 1 (/2) |
369 |
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psrlw mm3, 1 ; |
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pxor mm0, mm1 ; mm0 *= sign(mm0) |
371 |
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pxor mm3, mm4 ; |
372 |
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psubw mm0, mm1 ; undisplace |
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psubw mm3, mm4 ; |
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movq [edi + 8*ecx], mm0 |
375 |
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movq [edi + 8*ecx + 8], mm3 |
376 |
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|
377 |
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add ecx,2 |
378 |
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cmp ecx,16 |
379 |
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jnz .q1loop |
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jmp short .done |
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|
382 |
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|
383 |
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|
384 |
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;=========================================================================== |
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; |
386 |
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; void quant_intra_sse2(int16_t * coeff, |
387 |
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; const int16_t const * data, |
388 |
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; const uint32_t quant, |
389 |
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; const uint32_t dcscalar); |
390 |
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; |
391 |
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;=========================================================================== |
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|
393 |
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align ALIGN |
394 |
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cglobal quant_h263_intra_sse2 |
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quant_h263_intra_sse2: |
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|
397 |
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push esi |
398 |
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push edi |
399 |
|
|
400 |
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mov edi, [esp + 8 + 4] ; coeff |
401 |
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mov esi, [esp + 8 + 8] ; data |
402 |
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mov eax, [esp + 8 + 12] ; quant |
403 |
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|
404 |
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xor ecx, ecx |
405 |
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cmp al, 1 |
406 |
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jz near .qas2_q1loop |
407 |
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|
408 |
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.qas2_not1 |
409 |
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movq mm7, [mmx_div + eax*8 - 8] |
410 |
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movq2dq xmm7, mm7 |
411 |
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movlhps xmm7, xmm7 |
412 |
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|
413 |
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align 16 |
414 |
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.qas2_loop |
415 |
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movdqa xmm0, [esi + ecx*8] ; xmm0 = [1st] |
416 |
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movdqa xmm3, [esi + ecx*8 + 16] ; xmm3 = [2nd] |
417 |
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pxor xmm1, xmm1 |
418 |
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pxor xmm4, xmm4 |
419 |
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pcmpgtw xmm1, xmm0 |
420 |
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pcmpgtw xmm4, xmm3 |
421 |
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pxor xmm0, xmm1 |
422 |
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pxor xmm3, xmm4 |
423 |
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psubw xmm0, xmm1 |
424 |
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psubw xmm3, xmm4 |
425 |
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pmulhw xmm0, xmm7 |
426 |
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pmulhw xmm3, xmm7 |
427 |
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pxor xmm0, xmm1 |
428 |
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pxor xmm3, xmm4 |
429 |
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psubw xmm0, xmm1 |
430 |
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psubw xmm3, xmm4 |
431 |
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movdqa [edi + ecx*8], xmm0 |
432 |
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movdqa [edi + ecx*8 + 16], xmm3 |
433 |
|
|
434 |
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add ecx, 4 |
435 |
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cmp ecx, 16 |
436 |
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jnz .qas2_loop |
437 |
|
|
438 |
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.qas2_done |
439 |
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mov ecx, [esp + 8 + 16] ; dcscalar |
440 |
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mov edx, ecx |
441 |
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movsx eax, word [esi] |
442 |
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shr edx, 1 |
443 |
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cmp eax, 0 |
444 |
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jg .qas2_gtzero |
445 |
|
|
446 |
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sub eax, edx |
447 |
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jmp short .qas2_mul |
448 |
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.qas2_gtzero |
449 |
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add eax, edx |
450 |
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.qas2_mul |
451 |
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cdq |
452 |
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idiv ecx |
453 |
|
|
454 |
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mov [edi], ax |
455 |
|
|
456 |
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pop edi |
457 |
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pop esi |
458 |
|
|
459 |
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ret |
460 |
|
|
461 |
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align 16 |
462 |
|
.qas2_q1loop |
463 |
|
movdqa xmm0, [esi + ecx*8] ; xmm0 = [1st] |
464 |
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movdqa xmm3, [esi + ecx*8 + 16] ; xmm3 = [2nd] |
465 |
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pxor xmm1, xmm1 |
466 |
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pxor xmm4, xmm4 |
467 |
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pcmpgtw xmm1, xmm0 |
468 |
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pcmpgtw xmm4, xmm3 |
469 |
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pxor xmm0, xmm1 |
470 |
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pxor xmm3, xmm4 |
471 |
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psubw xmm0, xmm1 |
472 |
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psubw xmm3, xmm4 |
473 |
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psrlw xmm0, 1 |
474 |
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psrlw xmm3, 1 |
475 |
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pxor xmm0, xmm1 |
476 |
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pxor xmm3, xmm4 |
477 |
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psubw xmm0, xmm1 |
478 |
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psubw xmm3, xmm4 |
479 |
|
movdqa [edi + ecx*8], xmm0 |
480 |
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movdqa [edi + ecx*8 + 16], xmm3 |
481 |
|
|
482 |
|
add ecx, 4 |
483 |
|
cmp ecx, 16 |
484 |
|
jnz .qas2_q1loop |
485 |
|
jmp near .qas2_done |
486 |
|
|
487 |
|
|
488 |
|
|
489 |
|
;=========================================================================== |
490 |
|
; |
491 |
|
; uint32_t quant_inter_mmx(int16_t * coeff, |
492 |
|
; const int16_t const * data, |
493 |
|
; const uint32_t quant); |
494 |
|
; |
495 |
|
;=========================================================================== |
496 |
|
|
497 |
|
align ALIGN |
498 |
|
cglobal quant_h263_inter_mmx |
499 |
|
quant_h263_inter_mmx: |
500 |
|
|
501 |
|
push ecx |
502 |
|
push esi |
503 |
|
push edi |
504 |
|
|
505 |
|
mov edi, [esp + 12 + 4] ; coeff |
506 |
|
mov esi, [esp + 12 + 8] ; data |
507 |
|
mov eax, [esp + 12 + 12] ; quant |
508 |
|
|
509 |
|
xor ecx, ecx |
510 |
|
|
511 |
|
pxor mm5, mm5 ; sum |
512 |
|
movq mm6, [mmx_sub + eax * 8 - 8] ; sub |
513 |
|
|
514 |
|
cmp al, 1 |
515 |
|
jz .q1loop |
516 |
|
|
517 |
|
movq mm7, [mmx_div + eax * 8 - 8] ; divider |
518 |
|
|
519 |
|
align ALIGN |
520 |
|
.loop |
521 |
|
movq mm0, [esi + 8*ecx] ; mm0 = [1st] |
522 |
|
movq mm3, [esi + 8*ecx + 8] ; |
523 |
|
pxor mm1, mm1 ; mm1 = 0 |
524 |
|
pxor mm4, mm4 ; |
525 |
|
pcmpgtw mm1, mm0 ; mm1 = (0 > mm0) |
526 |
|
pcmpgtw mm4, mm3 ; |
527 |
|
pxor mm0, mm1 ; mm0 = |mm0| |
528 |
|
pxor mm3, mm4 ; |
529 |
|
psubw mm0, mm1 ; displace |
530 |
|
psubw mm3, mm4 ; |
531 |
|
psubusw mm0, mm6 ; mm0 -= sub (unsigned, dont go < 0) |
532 |
|
psubusw mm3, mm6 ; |
533 |
|
pmulhw mm0, mm7 ; mm0 = (mm0 / 2Q) >> 16 |
534 |
|
pmulhw mm3, mm7 ; |
535 |
|
paddw mm5, mm0 ; sum += mm0 |
536 |
|
pxor mm0, mm1 ; mm0 *= sign(mm0) |
537 |
|
paddw mm5, mm3 ; |
538 |
|
pxor mm3, mm4 ; |
539 |
|
psubw mm0, mm1 ; undisplace |
540 |
|
psubw mm3, mm4 |
541 |
|
movq [edi + 8*ecx], mm0 |
542 |
|
movq [edi + 8*ecx + 8], mm3 |
543 |
|
|
544 |
|
add ecx, 2 |
545 |
|
cmp ecx, 16 |
546 |
|
jnz .loop |
547 |
|
|
548 |
|
.done |
549 |
|
pmaddwd mm5, [plus_one] |
550 |
|
movq mm0, mm5 |
551 |
|
psrlq mm5, 32 |
552 |
|
paddd mm0, mm5 |
553 |
|
movd eax, mm0 ; return sum |
554 |
|
|
555 |
|
pop edi |
556 |
|
pop esi |
557 |
|
pop ecx |
558 |
|
|
559 |
|
ret |
560 |
|
|
561 |
|
align ALIGN |
562 |
|
.q1loop |
563 |
|
movq mm0, [esi + 8*ecx] ; mm0 = [1st] |
564 |
|
movq mm3, [esi + 8*ecx+ 8] ; |
565 |
|
pxor mm1, mm1 ; mm1 = 0 |
566 |
|
pxor mm4, mm4 ; |
567 |
|
pcmpgtw mm1, mm0 ; mm1 = (0 > mm0) |
568 |
|
pcmpgtw mm4, mm3 ; |
569 |
|
pxor mm0, mm1 ; mm0 = |mm0| |
570 |
|
pxor mm3, mm4 ; |
571 |
|
psubw mm0, mm1 ; displace |
572 |
|
psubw mm3, mm4 ; |
573 |
|
psubusw mm0, mm6 ; mm0 -= sub (unsigned, dont go < 0) |
574 |
|
psubusw mm3, mm6 ; |
575 |
|
psrlw mm0, 1 ; mm0 >>= 1 (/2) |
576 |
|
psrlw mm3, 1 ; |
577 |
|
paddw mm5, mm0 ; sum += mm0 |
578 |
|
pxor mm0, mm1 ; mm0 *= sign(mm0) |
579 |
|
paddw mm5, mm3 ; |
580 |
|
pxor mm3, mm4 ; |
581 |
|
psubw mm0, mm1 ; undisplace |
582 |
|
psubw mm3, mm4 |
583 |
|
movq [edi + 8*ecx], mm0 |
584 |
|
movq [edi + 8*ecx + 8], mm3 |
585 |
|
|
586 |
|
add ecx,2 |
587 |
|
cmp ecx,16 |
588 |
|
jnz .q1loop |
589 |
|
|
590 |
|
jmp .done |
591 |
|
|
592 |
|
|
593 |
|
|
594 |
|
;=========================================================================== |
595 |
|
; |
596 |
|
; uint32_t quant_inter_sse2(int16_t * coeff, |
597 |
|
; const int16_t const * data, |
598 |
|
; const uint32_t quant); |
599 |
|
; |
600 |
|
;=========================================================================== |
601 |
|
|
602 |
|
align 16 |
603 |
|
cglobal quant_h263_inter_sse2 |
604 |
|
quant_h263_inter_sse2: |
605 |
|
|
606 |
|
push esi |
607 |
|
push edi |
608 |
|
|
609 |
|
mov edi, [esp + 8 + 4] ; coeff |
610 |
|
mov esi, [esp + 8 + 8] ; data |
611 |
|
mov eax, [esp + 8 + 12] ; quant |
612 |
|
|
613 |
|
xor ecx, ecx |
614 |
|
|
615 |
|
pxor xmm5, xmm5 ; sum |
616 |
|
|
617 |
|
movq mm0, [mmx_sub + eax*8 - 8] ; sub |
618 |
|
movq2dq xmm6, mm0 ; load into low 8 bytes |
619 |
|
movlhps xmm6, xmm6 ; duplicate into high 8 bytes |
620 |
|
|
621 |
|
cmp al, 1 |
622 |
|
jz near .qes2_q1loop |
623 |
|
|
624 |
|
.qes2_not1 |
625 |
|
movq mm0, [mmx_div + eax*8 - 8] ; divider |
626 |
|
movq2dq xmm7, mm0 |
627 |
|
movlhps xmm7, xmm7 |
628 |
|
|
629 |
|
align 16 |
630 |
|
.qes2_loop |
631 |
|
movdqa xmm0, [esi + ecx*8] ; xmm0 = [1st] |
632 |
|
movdqa xmm3, [esi + ecx*8 + 16] ; xmm3 = [2nd] |
633 |
|
pxor xmm1, xmm1 |
634 |
|
pxor xmm4, xmm4 |
635 |
|
pcmpgtw xmm1, xmm0 |
636 |
|
pcmpgtw xmm4, xmm3 |
637 |
|
pxor xmm0, xmm1 |
638 |
|
pxor xmm3, xmm4 |
639 |
|
psubw xmm0, xmm1 |
640 |
|
psubw xmm3, xmm4 |
641 |
|
psubusw xmm0, xmm6 |
642 |
|
psubusw xmm3, xmm6 |
643 |
|
pmulhw xmm0, xmm7 |
644 |
|
pmulhw xmm3, xmm7 |
645 |
|
paddw xmm5, xmm0 |
646 |
|
pxor xmm0, xmm1 |
647 |
|
paddw xmm5, xmm3 |
648 |
|
pxor xmm3, xmm4 |
649 |
|
psubw xmm0, xmm1 |
650 |
|
psubw xmm3, xmm4 |
651 |
|
movdqa [edi + ecx*8], xmm0 |
652 |
|
movdqa [edi + ecx*8 + 16], xmm3 |
653 |
|
|
654 |
|
add ecx, 4 |
655 |
|
cmp ecx, 16 |
656 |
|
jnz .qes2_loop |
657 |
|
|
658 |
|
.qes2_done |
659 |
|
movdqu xmm6, [plus_one] |
660 |
|
pmaddwd xmm5, xmm6 |
661 |
|
movhlps xmm6, xmm5 |
662 |
|
paddd xmm5, xmm6 |
663 |
|
movdq2q mm0, xmm5 |
664 |
|
|
665 |
|
movq mm5, mm0 |
666 |
|
psrlq mm5, 32 |
667 |
|
paddd mm0, mm5 |
668 |
|
movd eax, mm0 ; return sum |
669 |
|
|
670 |
|
pop edi |
671 |
|
pop esi |
672 |
|
|
673 |
|
ret |
674 |
|
|
675 |
|
align 16 |
676 |
|
.qes2_q1loop |
677 |
|
movdqa xmm0, [esi + ecx*8] ; xmm0 = [1st] |
678 |
|
movdqa xmm3, [esi + ecx*8 + 16] ; xmm3 = [2nd] |
679 |
|
pxor xmm1, xmm1 |
680 |
|
pxor xmm4, xmm4 |
681 |
|
pcmpgtw xmm1, xmm0 |
682 |
|
pcmpgtw xmm4, xmm3 |
683 |
|
pxor xmm0, xmm1 |
684 |
|
pxor xmm3, xmm4 |
685 |
|
psubw xmm0, xmm1 |
686 |
|
psubw xmm3, xmm4 |
687 |
|
psubusw xmm0, xmm6 |
688 |
|
psubusw xmm3, xmm6 |
689 |
|
psrlw xmm0, 1 |
690 |
|
psrlw xmm3, 1 |
691 |
|
paddw xmm5, xmm0 |
692 |
|
pxor xmm0, xmm1 |
693 |
|
paddw xmm5, xmm3 |
694 |
|
pxor xmm3, xmm4 |
695 |
|
psubw xmm0, xmm1 |
696 |
|
psubw xmm3, xmm4 |
697 |
|
movdqa [edi + ecx*8], xmm0 |
698 |
|
movdqa [edi + ecx*8 + 16], xmm3 |
699 |
|
|
700 |
|
add ecx,4 |
701 |
|
cmp ecx,16 |
702 |
|
jnz .qes2_q1loop |
703 |
|
jmp .qes2_done |
704 |
|
|
705 |
|
|
706 |
|
;=========================================================================== |
707 |
|
; |
708 |
|
; void dequant_intra_mmx(int16_t *data, |
709 |
|
; const int16_t const *coeff, |
710 |
|
; const uint32_t quant, |
711 |
|
; const uint32_t dcscalar); |
712 |
|
; |
713 |
|
;=========================================================================== |
714 |
|
|
715 |
|
; note: we only saturate to +2047 *before* restoring the sign. |
716 |
|
; Hence, final clamp really is [-2048,2047] |
717 |
|
|
718 |
|
align ALIGN |
719 |
|
cglobal dequant_h263_intra_mmx |
720 |
|
dequant_h263_intra_mmx: |
721 |
|
|
722 |
|
mov edx, [esp+ 4] ; data |
723 |
|
mov ecx, [esp+ 8] ; coeff |
724 |
|
mov eax, [esp+12] ; quant |
725 |
|
movq mm6, [mmx_add + eax*8 - 8] ; quant or quant-1 |
726 |
|
movq mm7, [mmx_mul + eax*8 - 8] ; 2*quant |
727 |
|
mov eax, -16 |
728 |
|
|
729 |
|
align ALIGN |
730 |
|
.loop |
731 |
|
movq mm0, [ecx+8*eax+8*16] ; c = coeff[i] |
732 |
|
movq mm3, [ecx+8*eax+8*16 + 8] ; c' = coeff[i+1] |
733 |
|
pxor mm1, mm1 |
734 |
|
pxor mm4, mm4 |
735 |
|
pcmpgtw mm1, mm0 ; sign(c) |
736 |
|
pcmpgtw mm4, mm3 ; sign(c') |
737 |
|
pxor mm2, mm2 |
738 |
|
pxor mm5, mm5 |
739 |
|
pcmpeqw mm2, mm0 ; c is zero |
740 |
|
pcmpeqw mm5, mm3 ; c' is zero |
741 |
|
pandn mm2, mm6 ; offset = isZero ? 0 : quant_add |
742 |
|
pandn mm5, mm6 |
743 |
|
pxor mm0, mm1 ; negate if negative |
744 |
|
pxor mm3, mm4 ; negate if negative |
745 |
|
psubw mm0, mm1 |
746 |
|
psubw mm3, mm4 |
747 |
|
pmullw mm0, mm7 ; *= 2Q |
748 |
|
pmullw mm3, mm7 ; *= 2Q |
749 |
|
paddw mm0, mm2 ; + offset |
750 |
|
paddw mm3, mm5 ; + offset |
751 |
|
paddw mm0, mm1 ; negate back |
752 |
|
paddw mm3, mm4 ; negate back |
753 |
|
|
754 |
|
; saturates to +2047 |
755 |
|
movq mm2, [mmx_32767_minus_2047] |
756 |
|
add eax, 2 |
757 |
|
paddsw mm0, mm2 |
758 |
|
paddsw mm3, mm2 |
759 |
|
psubsw mm0, mm2 |
760 |
|
psubsw mm3, mm2 |
761 |
|
|
762 |
|
pxor mm0, mm1 |
763 |
|
pxor mm3, mm4 |
764 |
|
movq [edx + 8*eax + 8*16 - 2*8], mm0 |
765 |
|
movq [edx + 8*eax + 8*16+8 - 2*8], mm3 |
766 |
|
jnz near .loop |
767 |
|
|
768 |
|
; deal with DC |
769 |
|
|
770 |
|
movd mm0, [ecx] |
771 |
|
pmullw mm0, [esp+16] ; dcscalar |
772 |
|
movq mm2, [mmx_32767_minus_2047] |
773 |
|
paddsw mm0, mm2 |
774 |
|
psubsw mm0, mm2 |
775 |
|
movq mm3, [mmx_32768_minus_2048] |
776 |
|
psubsw mm0, mm3 |
777 |
|
paddsw mm0, mm3 |
778 |
|
movd eax, mm0 |
779 |
|
mov [edx], ax |
780 |
|
|
781 |
|
ret |
782 |
|
|
783 |
|
;=========================================================================== |
784 |
|
; |
785 |
|
; void dequant_intra_xmm(int16_t *data, |
786 |
|
; const int16_t const *coeff, |
787 |
|
; const uint32_t quant, |
788 |
|
; const uint32_t dcscalar); |
789 |
|
; |
790 |
|
;=========================================================================== |
791 |
|
|
792 |
|
; this is the same as dequant_inter_mmx, except that we're |
793 |
|
; saturating using 'pminsw' (saves 2 cycles/loop => ~5% faster) |
794 |
|
|
795 |
|
align ALIGN |
796 |
|
cglobal dequant_h263_intra_xmm |
797 |
|
dequant_h263_intra_xmm: |
798 |
|
|
799 |
|
mov edx, [esp+ 4] ; data |
800 |
|
mov ecx, [esp+ 8] ; coeff |
801 |
|
mov eax, [esp+12] ; quant |
802 |
|
movq mm6, [mmx_add + eax*8 - 8] ; quant or quant-1 |
803 |
|
movq mm7, [mmx_mul + eax*8 - 8] ; 2*quant |
804 |
|
mov eax, -16 |
805 |
|
|
806 |
|
align ALIGN |
807 |
|
.loop |
808 |
|
movq mm0, [ecx+8*eax+8*16] ; c = coeff[i] |
809 |
|
movq mm3, [ecx+8*eax+8*16 + 8] ; c' = coeff[i+1] |
810 |
|
pxor mm1, mm1 |
811 |
|
pxor mm4, mm4 |
812 |
|
pcmpgtw mm1, mm0 ; sign(c) |
813 |
|
pcmpgtw mm4, mm3 ; sign(c') |
814 |
|
pxor mm2, mm2 |
815 |
|
pxor mm5, mm5 |
816 |
|
pcmpeqw mm2, mm0 ; c is zero |
817 |
|
pcmpeqw mm5, mm3 ; c' is zero |
818 |
|
pandn mm2, mm6 ; offset = isZero ? 0 : quant_add |
819 |
|
pandn mm5, mm6 |
820 |
|
pxor mm0, mm1 ; negate if negative |
821 |
|
pxor mm3, mm4 ; negate if negative |
822 |
|
psubw mm0, mm1 |
823 |
|
psubw mm3, mm4 |
824 |
|
pmullw mm0, mm7 ; *= 2Q |
825 |
|
pmullw mm3, mm7 ; *= 2Q |
826 |
|
paddw mm0, mm2 ; + offset |
827 |
|
paddw mm3, mm5 ; + offset |
828 |
|
paddw mm0, mm1 ; negate back |
829 |
|
paddw mm3, mm4 ; negate back |
830 |
|
|
831 |
|
; saturates to +2047 |
832 |
|
movq mm2, [mmx_2047] |
833 |
|
pminsw mm0, mm2 |
834 |
|
add eax, 2 |
835 |
|
pminsw mm3, mm2 |
836 |
|
|
837 |
|
pxor mm0, mm1 |
838 |
|
pxor mm3, mm4 |
839 |
|
movq [edx + 8*eax + 8*16 - 2*8], mm0 |
840 |
|
movq [edx + 8*eax + 8*16+8 - 2*8], mm3 |
841 |
|
jnz near .loop |
842 |
|
|
843 |
|
; deal with DC |
844 |
|
|
845 |
|
movd mm0, [ecx] |
846 |
|
pmullw mm0, [esp+16] ; dcscalar |
847 |
|
movq mm2, [mmx_32767_minus_2047] |
848 |
|
paddsw mm0, mm2 |
849 |
|
psubsw mm0, mm2 |
850 |
|
movq mm2, [mmx_32768_minus_2048] |
851 |
|
psubsw mm0, mm2 |
852 |
|
paddsw mm0, mm2 |
853 |
|
movd eax, mm0 |
854 |
|
mov [edx], ax |
855 |
|
|
856 |
|
ret |
857 |
|
|
858 |
|
|
859 |
|
;=========================================================================== |
860 |
|
; |
861 |
|
; void dequant_intra_sse2(int16_t *data, |
862 |
|
; const int16_t const *coeff, |
863 |
|
; const uint32_t quant, |
864 |
|
; const uint32_t dcscalar); |
865 |
|
; |
866 |
|
;=========================================================================== |
867 |
|
align ALIGN |
868 |
|
cglobal dequant_h263_intra_sse2 |
869 |
|
dequant_h263_intra_sse2: |
870 |
|
mov edx, [esp+ 4] ; data |
871 |
|
mov ecx, [esp+ 8] ; coeff |
872 |
|
mov eax, [esp+12] ; quant |
873 |
|
movq mm6, [mmx_add + eax * 8 - 8] |
874 |
|
movq mm7, [mmx_mul + eax * 8 - 8] |
875 |
|
movq2dq xmm6, mm6 |
876 |
|
movq2dq xmm7, mm7 |
877 |
|
movlhps xmm6, xmm6 |
878 |
|
movlhps xmm7, xmm7 |
879 |
|
mov eax, -16 |
880 |
|
|
881 |
|
align ALIGN |
882 |
|
.loop |
883 |
|
movdqa xmm0, [ecx + 8*16 + 8*eax] ; c = coeff[i] |
884 |
|
movdqa xmm3, [ecx + 8*16 + 8*eax+ 16] |
885 |
|
pxor xmm1, xmm1 |
886 |
|
pxor xmm4, xmm4 |
887 |
|
pcmpgtw xmm1, xmm0 ; sign(c) |
888 |
|
pcmpgtw xmm4, xmm3 |
889 |
|
pxor xmm2, xmm2 |
890 |
|
pxor xmm5, xmm5 |
891 |
|
pcmpeqw xmm2, xmm0 ; c is zero |
892 |
|
pcmpeqw xmm5, xmm3 |
893 |
|
pandn xmm2, xmm6 ; offset = isZero ? 0 : quant_add |
894 |
|
pandn xmm5, xmm6 |
895 |
|
pxor xmm0, xmm1 ; negate if negative |
896 |
|
pxor xmm3, xmm4 |
897 |
|
psubw xmm0, xmm1 |
898 |
|
psubw xmm3, xmm4 |
899 |
|
pmullw xmm0, xmm7 ; *= 2Q |
900 |
|
pmullw xmm3, xmm7 |
901 |
|
paddw xmm0, xmm2 ; + offset |
902 |
|
paddw xmm3, xmm5 |
903 |
|
paddw xmm0, xmm1 ; negate back |
904 |
|
paddw xmm3, xmm4 |
905 |
|
|
906 |
|
; saturates to +2047 |
907 |
|
movdqa xmm2, [sse2_2047] |
908 |
|
pminsw xmm0, xmm2 |
909 |
|
add eax, 4 |
910 |
|
pminsw xmm3, xmm2 |
911 |
|
|
912 |
|
pxor xmm0, xmm1 |
913 |
|
pxor xmm3, xmm4 |
914 |
|
movdqa [edx + 8*16 - 8*4 + 8*eax], xmm0 |
915 |
|
movdqa [edx + 8*16 - 8*4 + 8*eax + 16], xmm3 |
916 |
|
jnz near .loop |
917 |
|
|
918 |
|
; deal with DC |
919 |
|
movd mm0, [ecx] |
920 |
|
pmullw mm0, [esp+16] ; dcscalar |
921 |
|
movq mm2, [mmx_32767_minus_2047] |
922 |
|
paddsw mm0, mm2 |
923 |
|
psubsw mm0, mm2 |
924 |
|
movq mm2, [mmx_32768_minus_2048] |
925 |
|
psubsw mm0, mm2 |
926 |
|
paddsw mm0, mm2 |
927 |
|
movd eax, mm0 |
928 |
|
mov [edx], ax |
929 |
|
|
930 |
|
ret |
931 |
|
|
932 |
|
|
933 |
|
|
934 |
|
|
935 |
|
;=========================================================================== |
936 |
|
; |
937 |
|
; void dequant_inter_mmx(int16_t * data, |
938 |
|
; const int16_t * const coeff, |
939 |
|
; const uint32_t quant); |
940 |
|
; |
941 |
|
;=========================================================================== |
942 |
|
|
943 |
|
align ALIGN |
944 |
|
cglobal dequant_h263_inter_mmx |
945 |
|
dequant_h263_inter_mmx: |
946 |
|
|
947 |
|
mov edx, [esp+ 4] ; data |
948 |
|
mov ecx, [esp+ 8] ; coeff |
949 |
|
mov eax, [esp+12] ; quant |
950 |
|
movq mm6, [mmx_add + eax*8 - 8] ; quant or quant-1 |
951 |
|
movq mm7, [mmx_mul + eax*8 - 8] ; 2*quant |
952 |
|
mov eax, -16 |
953 |
|
|
954 |
|
align ALIGN |
955 |
|
.loop |
956 |
|
movq mm0, [ecx+8*eax+8*16] ; c = coeff[i] |
957 |
|
movq mm3, [ecx+8*eax+8*16 + 8] ; c' = coeff[i+1] |
958 |
|
pxor mm1, mm1 |
959 |
|
pxor mm4, mm4 |
960 |
|
pcmpgtw mm1, mm0 ; sign(c) |
961 |
|
pcmpgtw mm4, mm3 ; sign(c') |
962 |
|
pxor mm2, mm2 |
963 |
|
pxor mm5, mm5 |
964 |
|
pcmpeqw mm2, mm0 ; c is zero |
965 |
|
pcmpeqw mm5, mm3 ; c' is zero |
966 |
|
pandn mm2, mm6 ; offset = isZero ? 0 : quant_add |
967 |
|
pandn mm5, mm6 |
968 |
|
pxor mm0, mm1 ; negate if negative |
969 |
|
pxor mm3, mm4 ; negate if negative |
970 |
|
psubw mm0, mm1 |
971 |
|
psubw mm3, mm4 |
972 |
|
pmullw mm0, mm7 ; *= 2Q |
973 |
|
pmullw mm3, mm7 ; *= 2Q |
974 |
|
paddw mm0, mm2 ; + offset |
975 |
|
paddw mm3, mm5 ; + offset |
976 |
|
paddw mm0, mm1 ; negate back |
977 |
|
paddw mm3, mm4 ; negate back |
978 |
|
|
979 |
|
; saturates to +2047 |
980 |
|
movq mm2, [mmx_32767_minus_2047] |
981 |
|
add eax, 2 |
982 |
|
paddsw mm0, mm2 |
983 |
|
paddsw mm3, mm2 |
984 |
|
psubsw mm0, mm2 |
985 |
|
psubsw mm3, mm2 |
986 |
|
|
987 |
|
pxor mm0, mm1 |
988 |
|
pxor mm3, mm4 |
989 |
|
movq [edx + 8*eax + 8*16 - 2*8], mm0 |
990 |
|
movq [edx + 8*eax + 8*16+8 - 2*8], mm3 |
991 |
|
jnz near .loop |
992 |
|
|
993 |
|
ret |
994 |
|
|
995 |
|
;=========================================================================== |
996 |
|
; |
997 |
|
; void dequant_inter_xmm(int16_t * data, |
998 |
|
; const int16_t * const coeff, |
999 |
|
; const uint32_t quant); |
1000 |
|
; |
1001 |
|
;=========================================================================== |
1002 |
|
|
1003 |
|
; this is the same as dequant_inter_mmx, |
1004 |
|
; except that we're saturating using 'pminsw' (saves 2 cycles/loop) |
1005 |
|
|
1006 |
|
align ALIGN |
1007 |
|
cglobal dequant_h263_inter_xmm |
1008 |
|
dequant_h263_inter_xmm: |
1009 |
|
|
1010 |
|
mov edx, [esp+ 4] ; data |
1011 |
|
mov ecx, [esp+ 8] ; coeff |
1012 |
|
mov eax, [esp+12] ; quant |
1013 |
|
movq mm6, [mmx_add + eax*8 - 8] ; quant or quant-1 |
1014 |
|
movq mm7, [mmx_mul + eax*8 - 8] ; 2*quant |
1015 |
|
mov eax, -16 |
1016 |
|
|
1017 |
|
align ALIGN |
1018 |
|
.loop |
1019 |
|
movq mm0, [ecx+8*eax+8*16] ; c = coeff[i] |
1020 |
|
movq mm3, [ecx+8*eax+8*16 + 8] ; c' = coeff[i+1] |
1021 |
|
pxor mm1, mm1 |
1022 |
|
pxor mm4, mm4 |
1023 |
|
pcmpgtw mm1, mm0 ; sign(c) |
1024 |
|
pcmpgtw mm4, mm3 ; sign(c') |
1025 |
|
pxor mm2, mm2 |
1026 |
|
pxor mm5, mm5 |
1027 |
|
pcmpeqw mm2, mm0 ; c is zero |
1028 |
|
pcmpeqw mm5, mm3 ; c' is zero |
1029 |
|
pandn mm2, mm6 ; offset = isZero ? 0 : quant_add |
1030 |
|
pandn mm5, mm6 |
1031 |
|
pxor mm0, mm1 ; negate if negative |
1032 |
|
pxor mm3, mm4 ; negate if negative |
1033 |
|
psubw mm0, mm1 |
1034 |
|
psubw mm3, mm4 |
1035 |
|
pmullw mm0, mm7 ; *= 2Q |
1036 |
|
pmullw mm3, mm7 ; *= 2Q |
1037 |
|
paddw mm0, mm2 ; + offset |
1038 |
|
paddw mm3, mm5 ; + offset |
1039 |
|
paddw mm0, mm1 ; start restoring sign |
1040 |
|
paddw mm3, mm4 ; start restoring sign |
1041 |
|
|
1042 |
|
; saturates to +2047 |
1043 |
|
movq mm2, [mmx_2047] |
1044 |
|
pminsw mm0, mm2 |
1045 |
|
add eax, 2 |
1046 |
|
pminsw mm3, mm2 |
1047 |
|
|
1048 |
|
pxor mm0, mm1 ; finish restoring sign |
1049 |
|
pxor mm3, mm4 ; finish restoring sign |
1050 |
|
movq [edx + 8*eax + 8*16 - 2*8], mm0 |
1051 |
|
movq [edx + 8*eax + 8*16+8 - 2*8], mm3 |
1052 |
|
jnz near .loop |
1053 |
|
|
1054 |
|
ret |
1055 |
|
|
1056 |
|
;=========================================================================== |
1057 |
|
; |
1058 |
|
; void dequant_inter_sse2(int16_t * data, |
1059 |
|
; const int16_t * const coeff, |
1060 |
|
; const uint32_t quant); |
1061 |
|
; |
1062 |
|
;=========================================================================== |
1063 |
|
align ALIGN |
1064 |
|
cglobal dequant_h263_inter_sse2 |
1065 |
|
dequant_h263_inter_sse2: |
1066 |
|
mov edx, [esp + 4] ; data |
1067 |
|
mov ecx, [esp + 8] ; coeff |
1068 |
|
mov eax, [esp + 12] ; quant |
1069 |
|
movq mm6, [mmx_add + eax * 8 - 8] |
1070 |
|
movq mm7, [mmx_mul + eax * 8 - 8] |
1071 |
|
movq2dq xmm6, mm6 |
1072 |
|
movq2dq xmm7, mm7 |
1073 |
|
movlhps xmm6, xmm6 |
1074 |
|
movlhps xmm7, xmm7 |
1075 |
|
mov eax, -16 |
1076 |
|
|
1077 |
|
align ALIGN |
1078 |
|
.loop |
1079 |
|
movdqa xmm0, [ecx + 8*16 + 8*eax] ; c = coeff[i] |
1080 |
|
movdqa xmm3, [ecx + 8*16 + 8*eax + 16] |
1081 |
|
|
1082 |
|
pxor xmm1, xmm1 |
1083 |
|
pxor xmm4, xmm4 |
1084 |
|
pcmpgtw xmm1, xmm0 ; sign(c) |
1085 |
|
pcmpgtw xmm4, xmm3 |
1086 |
|
pxor xmm2, xmm2 |
1087 |
|
pxor xmm5, xmm5 |
1088 |
|
pcmpeqw xmm2, xmm0 ; c is zero |
1089 |
|
pcmpeqw xmm5, xmm3 |
1090 |
|
pandn xmm2, xmm6 |
1091 |
|
pandn xmm5, xmm6 |
1092 |
|
pxor xmm0, xmm1 ; negate if negative |
1093 |
|
pxor xmm3, xmm4 |
1094 |
|
psubw xmm0, xmm1 |
1095 |
|
psubw xmm3, xmm4 |
1096 |
|
pmullw xmm0, xmm7 ; *= 2Q |
1097 |
|
pmullw xmm3, xmm7 |
1098 |
|
paddw xmm0, xmm2 ; + offset |
1099 |
|
paddw xmm3, xmm5 |
1100 |
|
|
1101 |
|
paddw xmm0, xmm1 ; start restoring sign |
1102 |
|
paddw xmm3, xmm4 |
1103 |
|
|
1104 |
|
; saturates to +2047 |
1105 |
|
movdqa xmm2, [sse2_2047] |
1106 |
|
pminsw xmm0, xmm2 |
1107 |
|
add eax, 4 |
1108 |
|
pminsw xmm3, xmm2 |
1109 |
|
|
1110 |
|
pxor xmm0, xmm1 ; finish restoring sign |
1111 |
|
pxor xmm3, xmm4 |
1112 |
|
movdqa [edx + 8*16 - 8*4 + 8*eax], xmm0 |
1113 |
|
movdqa [edx + 8*16 - 8*4 + 8*eax + 16], xmm3 |
1114 |
|
jnz near .loop |
1115 |
|
|
1116 |
|
ret |