WebSVN – Kolibri OS – Blame – /contrib/sdk/sources/ffmpeg/libavcodec/x86/rnd_template.c

Rev	Author	Line No.	Line
4349	Serge	1	/*
		2	* DSP utils mmx functions are compiled twice for rnd/no_rnd
		3	* Copyright (c) 2000, 2001 Fabrice Bellard
		4	* Copyright (c) 2003-2004 Michael Niedermayer
		5	*
		6	* MMX optimization by Nick Kurshev
		7	* mostly rewritten by Michael Niedermayer
		8	* and improved by Zdenek Kabelac
		9	*
		10	* This file is part of FFmpeg.
		11	*
		12	* FFmpeg is free software; you can redistribute it and/or
		13	* modify it under the terms of the GNU Lesser General Public
		14	* License as published by the Free Software Foundation; either
		15	* version 2.1 of the License, or (at your option) any later version.
		16	*
		17	* FFmpeg is distributed in the hope that it will be useful,
		18	* but WITHOUT ANY WARRANTY; without even the implied warranty of
		19	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
		20	* Lesser General Public License for more details.
		21	*
		22	* You should have received a copy of the GNU Lesser General Public
		23	* License along with FFmpeg; if not, write to the Free Software
		24	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
		25	*/
		26
		27	#include
		28	#include
		29
		30	// put_pixels
		31	STATIC void DEF(put, pixels8_xy2)(uint8_t block, const uint8_t pixels,
		32	ptrdiff_t line_size, int h)
		33	{
		34	MOVQ_ZERO(mm7);
		35	SET_RND(mm6); // =2 for rnd and =1 for no_rnd version
		36	__asm__ volatile(
		37	"movq (%1), %%mm0 \n\t"
		38	"movq 1(%1), %%mm4 \n\t"
		39	"movq %%mm0, %%mm1 \n\t"
		40	"movq %%mm4, %%mm5 \n\t"
		41	"punpcklbw %%mm7, %%mm0 \n\t"
		42	"punpcklbw %%mm7, %%mm4 \n\t"
		43	"punpckhbw %%mm7, %%mm1 \n\t"
		44	"punpckhbw %%mm7, %%mm5 \n\t"
		45	"paddusw %%mm0, %%mm4 \n\t"
		46	"paddusw %%mm1, %%mm5 \n\t"
		47	"xor %%"REG_a", %%"REG_a" \n\t"
		48	"add %3, %1 \n\t"
		49	".p2align 3 \n\t"
		50	"1: \n\t"
		51	"movq (%1, %%"REG_a"), %%mm0 \n\t"
		52	"movq 1(%1, %%"REG_a"), %%mm2 \n\t"
		53	"movq %%mm0, %%mm1 \n\t"
		54	"movq %%mm2, %%mm3 \n\t"
		55	"punpcklbw %%mm7, %%mm0 \n\t"
		56	"punpcklbw %%mm7, %%mm2 \n\t"
		57	"punpckhbw %%mm7, %%mm1 \n\t"
		58	"punpckhbw %%mm7, %%mm3 \n\t"
		59	"paddusw %%mm2, %%mm0 \n\t"
		60	"paddusw %%mm3, %%mm1 \n\t"
		61	"paddusw %%mm6, %%mm4 \n\t"
		62	"paddusw %%mm6, %%mm5 \n\t"
		63	"paddusw %%mm0, %%mm4 \n\t"
		64	"paddusw %%mm1, %%mm5 \n\t"
		65	"psrlw $2, %%mm4 \n\t"
		66	"psrlw $2, %%mm5 \n\t"
		67	"packuswb %%mm5, %%mm4 \n\t"
		68	"movq %%mm4, (%2, %%"REG_a") \n\t"
		69	"add %3, %%"REG_a" \n\t"
		70
		71	"movq (%1, %%"REG_a"), %%mm2 \n\t" // 0 <-> 2 1 <-> 3
		72	"movq 1(%1, %%"REG_a"), %%mm4 \n\t"
		73	"movq %%mm2, %%mm3 \n\t"
		74	"movq %%mm4, %%mm5 \n\t"
		75	"punpcklbw %%mm7, %%mm2 \n\t"
		76	"punpcklbw %%mm7, %%mm4 \n\t"
		77	"punpckhbw %%mm7, %%mm3 \n\t"
		78	"punpckhbw %%mm7, %%mm5 \n\t"
		79	"paddusw %%mm2, %%mm4 \n\t"
		80	"paddusw %%mm3, %%mm5 \n\t"
		81	"paddusw %%mm6, %%mm0 \n\t"
		82	"paddusw %%mm6, %%mm1 \n\t"
		83	"paddusw %%mm4, %%mm0 \n\t"
		84	"paddusw %%mm5, %%mm1 \n\t"
		85	"psrlw $2, %%mm0 \n\t"
		86	"psrlw $2, %%mm1 \n\t"
		87	"packuswb %%mm1, %%mm0 \n\t"
		88	"movq %%mm0, (%2, %%"REG_a") \n\t"
		89	"add %3, %%"REG_a" \n\t"
		90
		91	"subl $2, %0 \n\t"
		92	"jnz 1b \n\t"
		93	:"+g"(h), "+S"(pixels)
		94	:"D"(block), "r"((x86_reg)line_size)
		95	:REG_a, "memory");
		96	}
		97
		98	// avg_pixels
		99	// this routine is 'slightly' suboptimal but mostly unused
		100	STATIC void DEF(avg, pixels8_xy2)(uint8_t block, const uint8_t pixels,
		101	ptrdiff_t line_size, int h)
		102	{
		103	MOVQ_ZERO(mm7);
		104	SET_RND(mm6); // =2 for rnd and =1 for no_rnd version
		105	__asm__ volatile(
		106	"movq (%1), %%mm0 \n\t"
		107	"movq 1(%1), %%mm4 \n\t"
		108	"movq %%mm0, %%mm1 \n\t"
		109	"movq %%mm4, %%mm5 \n\t"
		110	"punpcklbw %%mm7, %%mm0 \n\t"
		111	"punpcklbw %%mm7, %%mm4 \n\t"
		112	"punpckhbw %%mm7, %%mm1 \n\t"
		113	"punpckhbw %%mm7, %%mm5 \n\t"
		114	"paddusw %%mm0, %%mm4 \n\t"
		115	"paddusw %%mm1, %%mm5 \n\t"
		116	"xor %%"REG_a", %%"REG_a" \n\t"
		117	"add %3, %1 \n\t"
		118	".p2align 3 \n\t"
		119	"1: \n\t"
		120	"movq (%1, %%"REG_a"), %%mm0 \n\t"
		121	"movq 1(%1, %%"REG_a"), %%mm2 \n\t"
		122	"movq %%mm0, %%mm1 \n\t"
		123	"movq %%mm2, %%mm3 \n\t"
		124	"punpcklbw %%mm7, %%mm0 \n\t"
		125	"punpcklbw %%mm7, %%mm2 \n\t"
		126	"punpckhbw %%mm7, %%mm1 \n\t"
		127	"punpckhbw %%mm7, %%mm3 \n\t"
		128	"paddusw %%mm2, %%mm0 \n\t"
		129	"paddusw %%mm3, %%mm1 \n\t"
		130	"paddusw %%mm6, %%mm4 \n\t"
		131	"paddusw %%mm6, %%mm5 \n\t"
		132	"paddusw %%mm0, %%mm4 \n\t"
		133	"paddusw %%mm1, %%mm5 \n\t"
		134	"psrlw $2, %%mm4 \n\t"
		135	"psrlw $2, %%mm5 \n\t"
		136	"movq (%2, %%"REG_a"), %%mm3 \n\t"
		137	"packuswb %%mm5, %%mm4 \n\t"
		138	"pcmpeqd %%mm2, %%mm2 \n\t"
		139	"paddb %%mm2, %%mm2 \n\t"
		140	PAVGB_MMX(%%mm3, %%mm4, %%mm5, %%mm2)
		141	"movq %%mm5, (%2, %%"REG_a") \n\t"
		142	"add %3, %%"REG_a" \n\t"
		143
		144	"movq (%1, %%"REG_a"), %%mm2 \n\t" // 0 <-> 2 1 <-> 3
		145	"movq 1(%1, %%"REG_a"), %%mm4 \n\t"
		146	"movq %%mm2, %%mm3 \n\t"
		147	"movq %%mm4, %%mm5 \n\t"
		148	"punpcklbw %%mm7, %%mm2 \n\t"
		149	"punpcklbw %%mm7, %%mm4 \n\t"
		150	"punpckhbw %%mm7, %%mm3 \n\t"
		151	"punpckhbw %%mm7, %%mm5 \n\t"
		152	"paddusw %%mm2, %%mm4 \n\t"
		153	"paddusw %%mm3, %%mm5 \n\t"
		154	"paddusw %%mm6, %%mm0 \n\t"
		155	"paddusw %%mm6, %%mm1 \n\t"
		156	"paddusw %%mm4, %%mm0 \n\t"
		157	"paddusw %%mm5, %%mm1 \n\t"
		158	"psrlw $2, %%mm0 \n\t"
		159	"psrlw $2, %%mm1 \n\t"
		160	"movq (%2, %%"REG_a"), %%mm3 \n\t"
		161	"packuswb %%mm1, %%mm0 \n\t"
		162	"pcmpeqd %%mm2, %%mm2 \n\t"
		163	"paddb %%mm2, %%mm2 \n\t"
		164	PAVGB_MMX(%%mm3, %%mm0, %%mm1, %%mm2)
		165	"movq %%mm1, (%2, %%"REG_a") \n\t"
		166	"add %3, %%"REG_a" \n\t"
		167
		168	"subl $2, %0 \n\t"
		169	"jnz 1b \n\t"
		170	:"+g"(h), "+S"(pixels)
		171	:"D"(block), "r"((x86_reg)line_size)
		172	:REG_a, "memory");
		173	}

Subversion Repositories Kolibri OS

(root)/contrib/sdk/sources/ffmpeg/libavcodec/x86/rnd_template.c – Rev 4349