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comparison libavcodec/x86/dsputil_mmx.h @ 2:897f711a7157

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author Nina Engelhardt <nengel@mailbox.tu-berlin.de>
date Tue, 25 Sep 2012 15:55:33 +0200
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1 /*
2 * MMX optimized DSP utils
3 * Copyright (c) 2007 Aurelien Jacobs <aurel@gnuage.org>
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22 #ifndef AVCODEC_X86_DSPUTIL_MMX_H
23 #define AVCODEC_X86_DSPUTIL_MMX_H
24
25 #include <stdint.h>
26 #include "libavcodec/dsputil.h"
27
28 typedef struct { uint64_t a, b; } xmm_reg;
29
30 extern const uint64_t ff_bone;
31 extern const uint64_t ff_wtwo;
32
33 extern const uint64_t ff_pdw_80000000[2];
34
35 extern const uint64_t ff_pw_3;
36 extern const uint64_t ff_pw_4;
37 extern const xmm_reg ff_pw_5;
38 extern const xmm_reg ff_pw_8;
39 extern const uint64_t ff_pw_15;
40 extern const xmm_reg ff_pw_16;
41 extern const uint64_t ff_pw_20;
42 extern const xmm_reg ff_pw_28;
43 extern const xmm_reg ff_pw_32;
44 extern const uint64_t ff_pw_42;
45 extern const xmm_reg ff_pw_64;
46 extern const uint64_t ff_pw_96;
47 extern const uint64_t ff_pw_128;
48 extern const uint64_t ff_pw_255;
49
50 extern const uint64_t ff_pb_1;
51 extern const uint64_t ff_pb_3;
52 extern const uint64_t ff_pb_7;
53 extern const uint64_t ff_pb_1F;
54 extern const uint64_t ff_pb_3F;
55 extern const uint64_t ff_pb_81;
56 extern const uint64_t ff_pb_A1;
57 extern const uint64_t ff_pb_FC;
58
59 extern const double ff_pd_1[2];
60 extern const double ff_pd_2[2];
61
62 #define LOAD4(stride,in,a,b,c,d)\
63 "movq 0*"#stride"+"#in", "#a"\n\t"\
64 "movq 1*"#stride"+"#in", "#b"\n\t"\
65 "movq 2*"#stride"+"#in", "#c"\n\t"\
66 "movq 3*"#stride"+"#in", "#d"\n\t"
67
68 #define STORE4(stride,out,a,b,c,d)\
69 "movq "#a", 0*"#stride"+"#out"\n\t"\
70 "movq "#b", 1*"#stride"+"#out"\n\t"\
71 "movq "#c", 2*"#stride"+"#out"\n\t"\
72 "movq "#d", 3*"#stride"+"#out"\n\t"
73
74 /* in/out: mma=mma+mmb, mmb=mmb-mma */
75 #define SUMSUB_BA( a, b ) \
76 "paddw "#b", "#a" \n\t"\
77 "paddw "#b", "#b" \n\t"\
78 "psubw "#a", "#b" \n\t"
79
80 #define SBUTTERFLY(a,b,t,n,m)\
81 "mov" #m " " #a ", " #t " \n\t" /* abcd */\
82 "punpckl" #n " " #b ", " #a " \n\t" /* aebf */\
83 "punpckh" #n " " #b ", " #t " \n\t" /* cgdh */\
84
85 #define TRANSPOSE4(a,b,c,d,t)\
86 SBUTTERFLY(a,b,t,wd,q) /* a=aebf t=cgdh */\
87 SBUTTERFLY(c,d,b,wd,q) /* c=imjn b=kolp */\
88 SBUTTERFLY(a,c,d,dq,q) /* a=aeim d=bfjn */\
89 SBUTTERFLY(t,b,c,dq,q) /* t=cgko c=dhlp */
90
91 // e,f,g,h can be memory
92 // out: a,d,t,c
93 #define TRANSPOSE8x4(a,b,c,d,e,f,g,h,t)\
94 "punpcklbw " #e ", " #a " \n\t" /* a0 e0 a1 e1 a2 e2 a3 e3 */\
95 "punpcklbw " #f ", " #b " \n\t" /* b0 f0 b1 f1 b2 f2 b3 f3 */\
96 "punpcklbw " #g ", " #c " \n\t" /* c0 g0 c1 g1 c2 g2 d3 g3 */\
97 "punpcklbw " #h ", " #d " \n\t" /* d0 h0 d1 h1 d2 h2 d3 h3 */\
98 SBUTTERFLY(a, b, t, bw, q) /* a= a0 b0 e0 f0 a1 b1 e1 f1 */\
99 /* t= a2 b2 e2 f2 a3 b3 e3 f3 */\
100 SBUTTERFLY(c, d, b, bw, q) /* c= c0 d0 g0 h0 c1 d1 g1 h1 */\
101 /* b= c2 d2 g2 h2 c3 d3 g3 h3 */\
102 SBUTTERFLY(a, c, d, wd, q) /* a= a0 b0 c0 d0 e0 f0 g0 h0 */\
103 /* d= a1 b1 c1 d1 e1 f1 g1 h1 */\
104 SBUTTERFLY(t, b, c, wd, q) /* t= a2 b2 c2 d2 e2 f2 g2 h2 */\
105 /* c= a3 b3 c3 d3 e3 f3 g3 h3 */
106
107 #if ARCH_X86_64
108 // permutes 01234567 -> 05736421
109 #define TRANSPOSE8(a,b,c,d,e,f,g,h,t)\
110 SBUTTERFLY(a,b,%%xmm8,wd,dqa)\
111 SBUTTERFLY(c,d,b,wd,dqa)\
112 SBUTTERFLY(e,f,d,wd,dqa)\
113 SBUTTERFLY(g,h,f,wd,dqa)\
114 SBUTTERFLY(a,c,h,dq,dqa)\
115 SBUTTERFLY(%%xmm8,b,c,dq,dqa)\
116 SBUTTERFLY(e,g,b,dq,dqa)\
117 SBUTTERFLY(d,f,g,dq,dqa)\
118 SBUTTERFLY(a,e,f,qdq,dqa)\
119 SBUTTERFLY(%%xmm8,d,e,qdq,dqa)\
120 SBUTTERFLY(h,b,d,qdq,dqa)\
121 SBUTTERFLY(c,g,b,qdq,dqa)\
122 "movdqa %%xmm8, "#g" \n\t"
123 #else
124 #define TRANSPOSE8(a,b,c,d,e,f,g,h,t)\
125 "movdqa "#h", "#t" \n\t"\
126 SBUTTERFLY(a,b,h,wd,dqa)\
127 "movdqa "#h", 16"#t" \n\t"\
128 "movdqa "#t", "#h" \n\t"\
129 SBUTTERFLY(c,d,b,wd,dqa)\
130 SBUTTERFLY(e,f,d,wd,dqa)\
131 SBUTTERFLY(g,h,f,wd,dqa)\
132 SBUTTERFLY(a,c,h,dq,dqa)\
133 "movdqa "#h", "#t" \n\t"\
134 "movdqa 16"#t", "#h" \n\t"\
135 SBUTTERFLY(h,b,c,dq,dqa)\
136 SBUTTERFLY(e,g,b,dq,dqa)\
137 SBUTTERFLY(d,f,g,dq,dqa)\
138 SBUTTERFLY(a,e,f,qdq,dqa)\
139 SBUTTERFLY(h,d,e,qdq,dqa)\
140 "movdqa "#h", 16"#t" \n\t"\
141 "movdqa "#t", "#h" \n\t"\
142 SBUTTERFLY(h,b,d,qdq,dqa)\
143 SBUTTERFLY(c,g,b,qdq,dqa)\
144 "movdqa 16"#t", "#g" \n\t"
145 #endif
146
147 #define MOVQ_WONE(regd) \
148 __asm__ volatile ( \
149 "pcmpeqd %%" #regd ", %%" #regd " \n\t" \
150 "psrlw $15, %%" #regd ::)
151
152 void add_pixels_clamped_mmx(const DCTELEM *block, uint8_t *pixels, int line_size);
153 void put_pixels_clamped_mmx(const DCTELEM *block, uint8_t *pixels, int line_size);
154 void put_signed_pixels_clamped_mmx(const DCTELEM *block, uint8_t *pixels, int line_size);
155
156 void ff_put_cavs_qpel8_mc00_mmx2(uint8_t *dst, uint8_t *src, int stride);
157 void ff_avg_cavs_qpel8_mc00_mmx2(uint8_t *dst, uint8_t *src, int stride);
158 void ff_put_cavs_qpel16_mc00_mmx2(uint8_t *dst, uint8_t *src, int stride);
159 void ff_avg_cavs_qpel16_mc00_mmx2(uint8_t *dst, uint8_t *src, int stride);
160
161 void ff_put_vc1_mspel_mc00_mmx(uint8_t *dst, const uint8_t *src, int stride, int rnd);
162 void ff_avg_vc1_mspel_mc00_mmx2(uint8_t *dst, const uint8_t *src, int stride, int rnd);
163
164 void ff_lpc_compute_autocorr_sse2(const int32_t *data, int len, int lag,
165 double *autoc);
166
167 void ff_mmx_idct(DCTELEM *block);
168 void ff_mmxext_idct(DCTELEM *block);
169
170 #endif /* AVCODEC_X86_DSPUTIL_MMX_H */