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no_exec stack patch for x86_64 too by Michal Schmidt (mschmidt at redhat dot com)
;/**************************************************************************** ; * ; * XVID MPEG-4 VIDEO CODEC ; * - MMX and XMM YUYV<->YV12 conversion - ; * ; * Copyright(C) 2002 Peter Ross <pross@xvid.org> ; * ; * 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: colorspace_yuyv_mmx.asm,v 1.12 2009/09/16 17:07:58 Isibaar Exp $ ; * ; ***************************************************************************/ %include "nasm.inc" ;============================================================================= ; Read only data ;============================================================================= DATA ;----------------------------------------------------------------------------- ; yuyv/uyvy mask for extracting yuv components ;----------------------------------------------------------------------------- ; y u y v y u y v ALIGN SECTION_ALIGN yuyv_mask: db 0xff, 0, 0xff, 0, 0xff, 0, 0xff, 0 mmx_one: dw 1, 1, 1, 1 ;============================================================================= ; helper macros used with colorspace_mmx.inc ;============================================================================= ;----------------------------------------------------------------------------- ; YUYV_TO_YV12( TYPE, PAVG ) ; ; TYPE 0=yuyv, 1=uyvy ; PAVG 0=mmx, pavgusb=3dnow, pavgb=xmm ; ; bytes=2, pixels = 8, vpixels=2 ;----------------------------------------------------------------------------- %macro YUYV_TO_YV12_INIT 2 movq mm7, [yuyv_mask] %endmacro %macro YUYV_TO_YV12 2 movq mm0, [x_ptr] ; x_ptr[0] movq mm1, [x_ptr + 8] ; x_ptr[8] movq mm2, [x_ptr + x_stride] ; x_ptr[x_stride + 0] movq mm3, [x_ptr + x_stride + 8] ; x_ptr[x_stride + 8] ; average uv-components ;---[ plain mmx ]---------------------------------------------------- %ifidn %2,0 ; if (%2 eq "0") movq mm4, mm0 movq mm5, mm2 %if %1 == 0 ; yuyv psrlw mm4, 8 psrlw mm5, 8 %endif pand mm4, mm7 pand mm5, mm7 paddw mm4, mm5 movq mm5, mm1 movq mm6, mm3 %if %1 == 0 ; yuyv psrlw mm5, 8 psrlw mm6, 8 %endif pand mm5, mm7 pand mm6, mm7 paddw mm5, mm6 paddw mm4, [mmx_one] ; +1 rounding paddw mm5, [mmx_one] ; psrlw mm4, 1 psrlw mm5, 1 ;---[ 3dnow/xmm ]---------------------------------------------------- %else movq mm4, mm0 movq mm5, mm1 %2 mm4, mm2 ;pavgb/pavgusb mm4, mm2 %2 mm5, mm3 ;pavgb/pavgusb mm5, mm3 ;;movq mm6, mm0 ; 0 rounding ;;pxor mm6, mm2 ; ;;psubb mm4, mm6 ; ;;movq mm6, mm1 ; ;;pxor mm6, mm3 ; ;;psubb mm5, mm5 ; %if %1 == 0 ; yuyv psrlw mm4, 8 psrlw mm5, 8 %endif pand mm4, mm7 pand mm5, mm7 %endif ;-------------------------------------------------------------------- ; write y-component %if %1 == 1 ; uyvy psrlw mm0, 8 psrlw mm1, 8 psrlw mm2, 8 psrlw mm3, 8 %endif pand mm0, mm7 pand mm1, mm7 pand mm2, mm7 pand mm3, mm7 packuswb mm0, mm1 packuswb mm2, mm3 %ifidn %2,pavgb ; xmm movntq [y_ptr], mm0 movntq [y_ptr+y_stride], mm2 %else ; plain mmx,3dnow movq [y_ptr], mm0 movq [y_ptr+y_stride], mm2 %endif ; write uv-components packuswb mm4, mm5 movq mm5, mm4 psrlq mm4, 8 pand mm5, mm7 pand mm4, mm7 packuswb mm5,mm5 packuswb mm4,mm4 movd [u_ptr],mm5 movd [v_ptr],mm4 %endmacro ;----------------------------------------------------------------------------- ; YV12_TO_YUYV( TYPE ) ; ; bytes=2, pixels = 16, vpixels=2 ;----------------------------------------------------------------------------- %macro YV12_TO_YUYV_INIT 2 %endmacro %macro YV12_TO_YUYV 2 movq mm6, [u_ptr] ; [ |uuuu] movq mm2, [v_ptr] ; [ |vvvv] movq mm0, [y_ptr ] ; [yyyy|yyyy] ; y row 0 movq mm1, [y_ptr+y_stride] ; [yyyy|yyyy] ; y row 1 movq mm7, mm6 punpcklbw mm6, mm2 ; [vuvu|vuvu] ; uv[0..3] punpckhbw mm7, mm2 ; [vuvu|vuvu] ; uv[4..7] %if %1 == 0 ; YUYV movq mm2, mm0 movq mm3, mm1 movq mm4, [y_ptr +8] ; [yyyy|yyyy] ; y[8..15] row 0 movq mm5, [y_ptr+y_stride+8] ; [yyyy|yyyy] ; y[8..15] row 1 punpcklbw mm0, mm6 ; [vyuy|vyuy] ; y row 0 + 0 punpckhbw mm2, mm6 ; [vyuy|vyuy] ; y row 0 + 8 punpcklbw mm1, mm6 ; [vyuy|vyuy] ; y row 1 + 0 punpckhbw mm3, mm6 ; [vyuy|vyuy] ; y row 1 + 8 movq [x_ptr ], mm0 movq [x_ptr+8 ], mm2 movq [x_ptr+x_stride ], mm1 movq [x_ptr+x_stride+8], mm3 movq mm0, mm4 movq mm2, mm5 punpcklbw mm0, mm7 ; [vyuy|vyuy] ; y row 0 + 16 punpckhbw mm4, mm7 ; [vyuy|vyuy] ; y row 0 + 24 punpcklbw mm2, mm7 ; [vyuy|vyuy] ; y row 1 + 16 punpckhbw mm5, mm7 ; [vyuy|vyuy] ; y row 1 + 24 movq [x_ptr +16], mm0 movq [x_ptr +24], mm4 movq [x_ptr+x_stride+16], mm2 movq [x_ptr+x_stride+24], mm5 %else ; UYVY movq mm2, mm6 movq mm3, mm6 movq mm4, mm6 punpcklbw mm2, mm0 ; [yvyu|yvyu] ; y row 0 + 0 punpckhbw mm3, mm0 ; [yvyu|yvyu] ; y row 0 + 8 movq mm0, [y_ptr +8] ; [yyyy|yyyy] ; y[8..15] row 0 movq mm5, [y_ptr+y_stride+8] ; [yyyy|yyyy] ; y[8..15] row 1 punpcklbw mm4, mm1 ; [yvyu|yvyu] ; y row 1 + 0 punpckhbw mm6, mm1 ; [yvyu|yvyu] ; y row 1 + 8 movq [x_ptr ], mm2 movq [x_ptr +8], mm3 movq [x_ptr+x_stride ], mm4 movq [x_ptr+x_stride+8], mm6 movq mm2, mm7 movq mm3, mm7 movq mm6, mm7 punpcklbw mm2, mm0 ; [yvyu|yvyu] ; y row 0 + 0 punpckhbw mm3, mm0 ; [yvyu|yvyu] ; y row 0 + 8 punpcklbw mm6, mm5 ; [yvyu|yvyu] ; y row 1 + 0 punpckhbw mm7, mm5 ; [yvyu|yvyu] ; y row 1 + 8 movq [x_ptr +16], mm2 movq [x_ptr +24], mm3 movq [x_ptr+x_stride+16], mm6 movq [x_ptr+x_stride+24], mm7 %endif %endmacro ;------------------------------------------------------------------------------ ; YV12_TO_YUYVI( TYPE ) ; ; TYPE 0=yuyv, 1=uyvy ; ; bytes=2, pixels = 8, vpixels=4 ;------------------------------------------------------------------------------ %macro YV12_TO_YUYVI_INIT 2 %endmacro %macro YV12_TO_YUYVI 2 %ifdef ARCH_IS_X86_64 mov TMP1d, prm_uv_stride movd mm0, [u_ptr] ; [ |uuuu] movd mm1, [u_ptr+TMP1] ; [ |uuuu] punpcklbw mm0, [v_ptr] ; [vuvu|vuvu] ; uv row 0 punpcklbw mm1, [v_ptr+TMP1] ; [vuvu|vuvu] ; uv row 1 %else xchg width, prm_uv_stride movd mm0, [u_ptr] ; [ |uuuu] movd mm1, [u_ptr+width] ; [ |uuuu] punpcklbw mm0, [v_ptr] ; [vuvu|vuvu] ; uv row 0 punpcklbw mm1, [v_ptr+width] ; [vuvu|vuvu] ; uv row 1 xchg width, prm_uv_stride %endif %if %1 == 0 ; YUYV movq mm4, [y_ptr] ; [yyyy|yyyy] ; y row 0 movq mm6, [y_ptr+y_stride] ; [yyyy|yyyy] ; y row 1 movq mm5, mm4 movq mm7, mm6 punpcklbw mm4, mm0 ; [yuyv|yuyv] ; y row 0 + 0 punpckhbw mm5, mm0 ; [yuyv|yuyv] ; y row 0 + 8 punpcklbw mm6, mm1 ; [yuyv|yuyv] ; y row 1 + 0 punpckhbw mm7, mm1 ; [yuyv|yuyv] ; y row 1 + 8 movq [x_ptr], mm4 movq [x_ptr+8], mm5 movq [x_ptr+x_stride], mm6 movq [x_ptr+x_stride+8], mm7 push y_ptr push x_ptr add y_ptr, y_stride add x_ptr, x_stride movq mm4, [y_ptr+y_stride] ; [yyyy|yyyy] ; y row 2 movq mm6, [y_ptr+2*y_stride] ; [yyyy|yyyy] ; y row 3 movq mm5, mm4 movq mm7, mm6 punpcklbw mm4, mm0 ; [yuyv|yuyv] ; y row 2 + 0 punpckhbw mm5, mm0 ; [yuyv|yuyv] ; y row 2 + 8 punpcklbw mm6, mm1 ; [yuyv|yuyv] ; y row 3 + 0 punpckhbw mm7, mm1 ; [yuyv|yuyv] ; y row 3 + 8 movq [x_ptr+x_stride], mm4 movq [x_ptr+x_stride+8], mm5 movq [x_ptr+2*x_stride], mm6 movq [x_ptr+2*x_stride+8], mm7 pop x_ptr pop y_ptr %else ; UYVY movq mm2, [y_ptr] ; [yyyy|yyyy] ; y row 0 movq mm3, [y_ptr+y_stride] ; [yyyy|yyyy] ; y row 1 movq mm4, mm0 movq mm5, mm0 movq mm6, mm1 movq mm7, mm1 punpcklbw mm4, mm2 ; [uyvy|uyvy] ; y row 0 + 0 punpckhbw mm5, mm2 ; [uyvy|uyvy] ; y row 0 + 8 punpcklbw mm6, mm3 ; [uyvy|uyvy] ; y row 1 + 0 punpckhbw mm7, mm3 ; [uyvy|uyvy] ; y row 1 + 8 movq [x_ptr], mm4 movq [x_ptr+8], mm5 movq [x_ptr+x_stride], mm6 movq [x_ptr+x_stride+8], mm7 push y_ptr push x_ptr add y_ptr, y_stride add x_ptr, x_stride movq mm2, [y_ptr+y_stride] ; [yyyy|yyyy] ; y row 2 movq mm3, [y_ptr+2*y_stride] ; [yyyy|yyyy] ; y row 3 movq mm4, mm0 movq mm5, mm0 movq mm6, mm1 movq mm7, mm1 punpcklbw mm4, mm2 ; [uyvy|uyvy] ; y row 2 + 0 punpckhbw mm5, mm2 ; [uyvy|uyvy] ; y row 2 + 8 punpcklbw mm6, mm3 ; [uyvy|uyvy] ; y row 3 + 0 punpckhbw mm7, mm3 ; [uyvy|uyvy] ; y row 3 + 8 movq [x_ptr+x_stride], mm4 movq [x_ptr+x_stride+8], mm5 movq [x_ptr+2*x_stride], mm6 movq [x_ptr+2*x_stride+8], mm7 pop x_ptr pop y_ptr %endif %endmacro ;============================================================================= ; Code ;============================================================================= TEXT %include "colorspace_mmx.inc" ; input MAKE_COLORSPACE yuyv_to_yv12_mmx,0, 2,8,2, YUYV_TO_YV12, 0, 0 MAKE_COLORSPACE yuyv_to_yv12_3dn,0, 2,8,2, YUYV_TO_YV12, 0, pavgusb MAKE_COLORSPACE yuyv_to_yv12_xmm,0, 2,8,2, YUYV_TO_YV12, 0, pavgb MAKE_COLORSPACE uyvy_to_yv12_mmx,0, 2,8,2, YUYV_TO_YV12, 1, 0 MAKE_COLORSPACE uyvy_to_yv12_3dn,0, 2,8,2, YUYV_TO_YV12, 1, pavgusb MAKE_COLORSPACE uyvy_to_yv12_xmm,0, 2,8,2, YUYV_TO_YV12, 1, pavgb ; output MAKE_COLORSPACE yv12_to_yuyv_mmx,0, 2,16,2, YV12_TO_YUYV, 0, -1 MAKE_COLORSPACE yv12_to_uyvy_mmx,0, 2,16,2, YV12_TO_YUYV, 1, -1 MAKE_COLORSPACE yv12_to_yuyvi_mmx,0, 2,8,4, YV12_TO_YUYVI, 0, -1 MAKE_COLORSPACE yv12_to_uyvyi_mmx,0, 2,8,4, YV12_TO_YUYVI, 1, -1 NON_EXEC_STACK
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