aboutsummaryrefslogtreecommitdiffstats
path: root/libavcodec/x86/dsputil_mmx.h
blob: 097739cf981ae06bd2042bc1608d65614f577532 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
/*
 * MMX optimized DSP utils
 * Copyright (c) 2007  Aurelien Jacobs <aurel@gnuage.org>
 *
 * This file is part of Libav.
 *
 * Libav is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * Libav 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with Libav; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#ifndef AVCODEC_X86_DSPUTIL_MMX_H
#define AVCODEC_X86_DSPUTIL_MMX_H

#include <stdint.h>
#include "libavcodec/dsputil.h"
#include "libavutil/x86_cpu.h"

typedef struct { uint64_t a, b; } xmm_reg;

extern const uint64_t ff_bone;
extern const uint64_t ff_wtwo;

extern const uint64_t ff_pdw_80000000[2];

extern const xmm_reg  ff_pw_3;
extern const xmm_reg  ff_pw_4;
extern const xmm_reg  ff_pw_5;
extern const xmm_reg  ff_pw_8;
extern const uint64_t ff_pw_15;
extern const xmm_reg  ff_pw_16;
extern const xmm_reg  ff_pw_18;
extern const uint64_t ff_pw_20;
extern const xmm_reg  ff_pw_27;
extern const xmm_reg  ff_pw_28;
extern const xmm_reg  ff_pw_32;
extern const uint64_t ff_pw_42;
extern const uint64_t ff_pw_53;
extern const xmm_reg  ff_pw_63;
extern const xmm_reg  ff_pw_64;
extern const uint64_t ff_pw_96;
extern const uint64_t ff_pw_128;
extern const uint64_t ff_pw_255;

extern const xmm_reg  ff_pb_1;
extern const xmm_reg  ff_pb_3;
extern const uint64_t ff_pb_7;
extern const uint64_t ff_pb_1F;
extern const uint64_t ff_pb_3F;
extern const uint64_t ff_pb_81;
extern const xmm_reg  ff_pb_A1;
extern const xmm_reg  ff_pb_F8;
extern const uint64_t ff_pb_FC;
extern const xmm_reg  ff_pb_FE;

extern const double ff_pd_1[2];
extern const double ff_pd_2[2];

#define LOAD4(stride,in,a,b,c,d)\
    "movq 0*"#stride"+"#in", "#a"\n\t"\
    "movq 1*"#stride"+"#in", "#b"\n\t"\
    "movq 2*"#stride"+"#in", "#c"\n\t"\
    "movq 3*"#stride"+"#in", "#d"\n\t"

#define STORE4(stride,out,a,b,c,d)\
    "movq "#a", 0*"#stride"+"#out"\n\t"\
    "movq "#b", 1*"#stride"+"#out"\n\t"\
    "movq "#c", 2*"#stride"+"#out"\n\t"\
    "movq "#d", 3*"#stride"+"#out"\n\t"

/* in/out: mma=mma+mmb, mmb=mmb-mma */
#define SUMSUB_BA( a, b ) \
    "paddw "#b", "#a" \n\t"\
    "paddw "#b", "#b" \n\t"\
    "psubw "#a", "#b" \n\t"

#define SBUTTERFLY(a,b,t,n,m)\
    "mov" #m " " #a ", " #t "         \n\t" /* abcd */\
    "punpckl" #n " " #b ", " #a "     \n\t" /* aebf */\
    "punpckh" #n " " #b ", " #t "     \n\t" /* cgdh */\

#define TRANSPOSE4(a,b,c,d,t)\
    SBUTTERFLY(a,b,t,wd,q) /* a=aebf t=cgdh */\
    SBUTTERFLY(c,d,b,wd,q) /* c=imjn b=kolp */\
    SBUTTERFLY(a,c,d,dq,q) /* a=aeim d=bfjn */\
    SBUTTERFLY(t,b,c,dq,q) /* t=cgko c=dhlp */

static inline void transpose4x4(uint8_t *dst, uint8_t *src, x86_reg dst_stride, x86_reg src_stride){
    __asm__ volatile( //FIXME could save 1 instruction if done as 8x4 ...
        "movd  (%1), %%mm0              \n\t"
        "add   %3, %1                   \n\t"
        "movd  (%1), %%mm1              \n\t"
        "movd  (%1,%3,1), %%mm2         \n\t"
        "movd  (%1,%3,2), %%mm3         \n\t"
        "punpcklbw %%mm1, %%mm0         \n\t"
        "punpcklbw %%mm3, %%mm2         \n\t"
        "movq %%mm0, %%mm1              \n\t"
        "punpcklwd %%mm2, %%mm0         \n\t"
        "punpckhwd %%mm2, %%mm1         \n\t"
        "movd  %%mm0, (%0)              \n\t"
        "add   %2, %0                   \n\t"
        "punpckhdq %%mm0, %%mm0         \n\t"
        "movd  %%mm0, (%0)              \n\t"
        "movd  %%mm1, (%0,%2,1)         \n\t"
        "punpckhdq %%mm1, %%mm1         \n\t"
        "movd  %%mm1, (%0,%2,2)         \n\t"

        :  "+&r" (dst),
           "+&r" (src)
        :  "r" (dst_stride),
           "r" (src_stride)
        :  "memory"
    );
}

// e,f,g,h can be memory
// out: a,d,t,c
#define TRANSPOSE8x4(a,b,c,d,e,f,g,h,t)\
    "punpcklbw " #e ", " #a " \n\t" /* a0 e0 a1 e1 a2 e2 a3 e3 */\
    "punpcklbw " #f ", " #b " \n\t" /* b0 f0 b1 f1 b2 f2 b3 f3 */\
    "punpcklbw " #g ", " #c " \n\t" /* c0 g0 c1 g1 c2 g2 d3 g3 */\
    "punpcklbw " #h ", " #d " \n\t" /* d0 h0 d1 h1 d2 h2 d3 h3 */\
    SBUTTERFLY(a, b, t, bw, q)   /* a= a0 b0 e0 f0 a1 b1 e1 f1 */\
                                 /* t= a2 b2 e2 f2 a3 b3 e3 f3 */\
    SBUTTERFLY(c, d, b, bw, q)   /* c= c0 d0 g0 h0 c1 d1 g1 h1 */\
                                 /* b= c2 d2 g2 h2 c3 d3 g3 h3 */\
    SBUTTERFLY(a, c, d, wd, q)   /* a= a0 b0 c0 d0 e0 f0 g0 h0 */\
                                 /* d= a1 b1 c1 d1 e1 f1 g1 h1 */\
    SBUTTERFLY(t, b, c, wd, q)   /* t= a2 b2 c2 d2 e2 f2 g2 h2 */\
                                 /* c= a3 b3 c3 d3 e3 f3 g3 h3 */

#if ARCH_X86_64
// permutes 01234567 -> 05736421
#define TRANSPOSE8(a,b,c,d,e,f,g,h,t)\
    SBUTTERFLY(a,b,%%xmm8,wd,dqa)\
    SBUTTERFLY(c,d,b,wd,dqa)\
    SBUTTERFLY(e,f,d,wd,dqa)\
    SBUTTERFLY(g,h,f,wd,dqa)\
    SBUTTERFLY(a,c,h,dq,dqa)\
    SBUTTERFLY(%%xmm8,b,c,dq,dqa)\
    SBUTTERFLY(e,g,b,dq,dqa)\
    SBUTTERFLY(d,f,g,dq,dqa)\
    SBUTTERFLY(a,e,f,qdq,dqa)\
    SBUTTERFLY(%%xmm8,d,e,qdq,dqa)\
    SBUTTERFLY(h,b,d,qdq,dqa)\
    SBUTTERFLY(c,g,b,qdq,dqa)\
    "movdqa %%xmm8, "#g"              \n\t"
#else
#define TRANSPOSE8(a,b,c,d,e,f,g,h,t)\
    "movdqa "#h", "#t"                \n\t"\
    SBUTTERFLY(a,b,h,wd,dqa)\
    "movdqa "#h", 16"#t"              \n\t"\
    "movdqa "#t", "#h"                \n\t"\
    SBUTTERFLY(c,d,b,wd,dqa)\
    SBUTTERFLY(e,f,d,wd,dqa)\
    SBUTTERFLY(g,h,f,wd,dqa)\
    SBUTTERFLY(a,c,h,dq,dqa)\
    "movdqa "#h", "#t"                \n\t"\
    "movdqa 16"#t", "#h"              \n\t"\
    SBUTTERFLY(h,b,c,dq,dqa)\
    SBUTTERFLY(e,g,b,dq,dqa)\
    SBUTTERFLY(d,f,g,dq,dqa)\
    SBUTTERFLY(a,e,f,qdq,dqa)\
    SBUTTERFLY(h,d,e,qdq,dqa)\
    "movdqa "#h", 16"#t"              \n\t"\
    "movdqa "#t", "#h"                \n\t"\
    SBUTTERFLY(h,b,d,qdq,dqa)\
    SBUTTERFLY(c,g,b,qdq,dqa)\
    "movdqa 16"#t", "#g"              \n\t"
#endif

#define MOVQ_WONE(regd) \
    __asm__ volatile ( \
    "pcmpeqd %%" #regd ", %%" #regd " \n\t" \
    "psrlw $15, %%" #regd ::)

void ff_dsputilenc_init_mmx(DSPContext* c, AVCodecContext *avctx);
void ff_dsputil_init_pix_mmx(DSPContext* c, AVCodecContext *avctx);

void ff_add_pixels_clamped_mmx(const DCTELEM *block, uint8_t *pixels, int line_size);
void ff_put_pixels_clamped_mmx(const DCTELEM *block, uint8_t *pixels, int line_size);
void ff_put_signed_pixels_clamped_mmx(const DCTELEM *block, uint8_t *pixels, int line_size);

void ff_put_cavs_qpel8_mc00_mmx2(uint8_t *dst, uint8_t *src, int stride);
void ff_avg_cavs_qpel8_mc00_mmx2(uint8_t *dst, uint8_t *src, int stride);
void ff_put_cavs_qpel16_mc00_mmx2(uint8_t *dst, uint8_t *src, int stride);
void ff_avg_cavs_qpel16_mc00_mmx2(uint8_t *dst, uint8_t *src, int stride);

void ff_put_vc1_mspel_mc00_mmx(uint8_t *dst, const uint8_t *src, int stride, int rnd);
void ff_avg_vc1_mspel_mc00_mmx2(uint8_t *dst, const uint8_t *src, int stride, int rnd);

void ff_mmx_idct(DCTELEM *block);
void ff_mmxext_idct(DCTELEM *block);


void ff_deinterlace_line_mmx(uint8_t *dst,
                             const uint8_t *lum_m4, const uint8_t *lum_m3,
                             const uint8_t *lum_m2, const uint8_t *lum_m1,
                             const uint8_t *lum,
                             int size);

void ff_deinterlace_line_inplace_mmx(const uint8_t *lum_m4,
                                     const uint8_t *lum_m3,
                                     const uint8_t *lum_m2,
                                     const uint8_t *lum_m1,
                                     const uint8_t *lum, int size);

#endif /* AVCODEC_X86_DSPUTIL_MMX_H */