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dsputil_x86.h
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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 <stddef.h>
26 #include <stdint.h>
27 
28 #include "libavcodec/dsputil.h"
29 #include "libavutil/x86/asm.h"
30 #include "constants.h"
31 
32 #define MOVQ_WONE(regd) \
33  __asm__ volatile ( \
34  "pcmpeqd %%" #regd ", %%" #regd " \n\t" \
35  "psrlw $15, %%" #regd ::)
36 
37 #define JUMPALIGN() __asm__ volatile (".p2align 3"::)
38 #define MOVQ_ZERO(regd) __asm__ volatile ("pxor %%"#regd", %%"#regd ::)
39 
40 #define MOVQ_BFE(regd) \
41  __asm__ volatile ( \
42  "pcmpeqd %%"#regd", %%"#regd" \n\t" \
43  "paddb %%"#regd", %%"#regd" \n\t" ::)
44 
45 #ifndef PIC
46 #define MOVQ_WTWO(regd) __asm__ volatile ("movq %0, %%"#regd" \n\t" :: "m"(ff_wtwo))
47 #else
48 // for shared library it's better to use this way for accessing constants
49 // pcmpeqd -> -1
50 #define MOVQ_WTWO(regd) \
51  __asm__ volatile ( \
52  "pcmpeqd %%"#regd", %%"#regd" \n\t" \
53  "psrlw $15, %%"#regd" \n\t" \
54  "psllw $1, %%"#regd" \n\t"::)
55 
56 #endif
57 
58 // using regr as temporary and for the output result
59 // first argument is unmodifed and second is trashed
60 // regfe is supposed to contain 0xfefefefefefefefe
61 #define PAVGB_MMX_NO_RND(rega, regb, regr, regfe) \
62  "movq "#rega", "#regr" \n\t" \
63  "pand "#regb", "#regr" \n\t" \
64  "pxor "#rega", "#regb" \n\t" \
65  "pand "#regfe", "#regb" \n\t" \
66  "psrlq $1, "#regb" \n\t" \
67  "paddb "#regb", "#regr" \n\t"
68 
69 #define PAVGB_MMX(rega, regb, regr, regfe) \
70  "movq "#rega", "#regr" \n\t" \
71  "por "#regb", "#regr" \n\t" \
72  "pxor "#rega", "#regb" \n\t" \
73  "pand "#regfe", "#regb" \n\t" \
74  "psrlq $1, "#regb" \n\t" \
75  "psubb "#regb", "#regr" \n\t"
76 
77 // mm6 is supposed to contain 0xfefefefefefefefe
78 #define PAVGBP_MMX_NO_RND(rega, regb, regr, regc, regd, regp) \
79  "movq "#rega", "#regr" \n\t" \
80  "movq "#regc", "#regp" \n\t" \
81  "pand "#regb", "#regr" \n\t" \
82  "pand "#regd", "#regp" \n\t" \
83  "pxor "#rega", "#regb" \n\t" \
84  "pxor "#regc", "#regd" \n\t" \
85  "pand %%mm6, "#regb" \n\t" \
86  "pand %%mm6, "#regd" \n\t" \
87  "psrlq $1, "#regb" \n\t" \
88  "psrlq $1, "#regd" \n\t" \
89  "paddb "#regb", "#regr" \n\t" \
90  "paddb "#regd", "#regp" \n\t"
91 
92 #define PAVGBP_MMX(rega, regb, regr, regc, regd, regp) \
93  "movq "#rega", "#regr" \n\t" \
94  "movq "#regc", "#regp" \n\t" \
95  "por "#regb", "#regr" \n\t" \
96  "por "#regd", "#regp" \n\t" \
97  "pxor "#rega", "#regb" \n\t" \
98  "pxor "#regc", "#regd" \n\t" \
99  "pand %%mm6, "#regb" \n\t" \
100  "pand %%mm6, "#regd" \n\t" \
101  "psrlq $1, "#regd" \n\t" \
102  "psrlq $1, "#regb" \n\t" \
103  "psubb "#regb", "#regr" \n\t" \
104  "psubb "#regd", "#regp" \n\t"
105 
106 void ff_dsputilenc_init_mmx(DSPContext* c, AVCodecContext *avctx);
107 void ff_dsputil_init_pix_mmx(DSPContext* c, AVCodecContext *avctx);
108 
109 void ff_add_pixels_clamped_mmx(const int16_t *block, uint8_t *pixels, int line_size);
110 void ff_put_pixels_clamped_mmx(const int16_t *block, uint8_t *pixels, int line_size);
111 void ff_put_signed_pixels_clamped_mmx(const int16_t *block, uint8_t *pixels, int line_size);
112 
113 void ff_clear_block_mmx(int16_t *block);
114 void ff_clear_block_sse(int16_t *block);
115 void ff_clear_blocks_mmx(int16_t *blocks);
116 void ff_clear_blocks_sse(int16_t *blocks);
117 
118 void ff_add_bytes_mmx(uint8_t *dst, uint8_t *src, int w);
119 
120 void ff_add_hfyu_median_prediction_cmov(uint8_t *dst, const uint8_t *top,
121  const uint8_t *diff, int w,
122  int *left, int *left_top);
123 
124 void ff_draw_edges_mmx(uint8_t *buf, int wrap, int width, int height,
125  int w, int h, int sides);
126 
127 void ff_gmc_mmx(uint8_t *dst, uint8_t *src,
128  int stride, int h, int ox, int oy,
129  int dxx, int dxy, int dyx, int dyy,
130  int shift, int r, int width, int height);
131 
132 void ff_gmc_sse(uint8_t *dst, uint8_t *src,
133  int stride, int h, int ox, int oy,
134  int dxx, int dxy, int dyx, int dyy,
135  int shift, int r, int width, int height);
136 
137 void ff_vector_clipf_sse(float *dst, const float *src,
138  float min, float max, int len);
139 
140 void ff_avg_pixels8_mmx(uint8_t *block, const uint8_t *pixels,
141  ptrdiff_t line_size, int h);
142 void ff_avg_pixels16_mmx(uint8_t *block, const uint8_t *pixels,
143  ptrdiff_t line_size, int h);
144 void ff_put_pixels8_mmx(uint8_t *block, const uint8_t *pixels,
145  ptrdiff_t line_size, int h);
146 void ff_put_pixels16_mmx(uint8_t *block, const uint8_t *pixels,
147  ptrdiff_t line_size, int h);
148 void ff_avg_pixels8_mmxext(uint8_t *block, const uint8_t *pixels,
149  ptrdiff_t line_size, int h);
150 void ff_put_pixels8_mmxext(uint8_t *block, const uint8_t *pixels,
151  ptrdiff_t line_size, int h);
152 void ff_avg_pixels16_sse2(uint8_t *block, const uint8_t *pixels,
153  ptrdiff_t line_size, int h);
154 void ff_put_pixels16_sse2(uint8_t *block, const uint8_t *pixels,
155  ptrdiff_t line_size, int h);
156 
157 void ff_avg_pixels8_x2_mmx(uint8_t *block, const uint8_t *pixels,
158  ptrdiff_t line_size, int h);
159 
160 void ff_avg_pixels8_xy2_mmx(uint8_t *block, const uint8_t *pixels,
161  ptrdiff_t line_size, int h);
162 void ff_avg_pixels16_xy2_mmx(uint8_t *block, const uint8_t *pixels,
163  ptrdiff_t line_size, int h);
164 
165 void ff_put_pixels8_xy2_mmx(uint8_t *block, const uint8_t *pixels,
166  ptrdiff_t line_size, int h);
167 void ff_put_pixels16_xy2_mmx(uint8_t *block, const uint8_t *pixels,
168  ptrdiff_t line_size, int h);
169 
170 
171 void ff_mmx_idct(int16_t *block);
172 void ff_mmxext_idct(int16_t *block);
173 
174 void ff_deinterlace_line_mmx(uint8_t *dst,
175  const uint8_t *lum_m4, const uint8_t *lum_m3,
176  const uint8_t *lum_m2, const uint8_t *lum_m1,
177  const uint8_t *lum,
178  int size);
179 
180 void ff_deinterlace_line_inplace_mmx(const uint8_t *lum_m4,
181  const uint8_t *lum_m3,
182  const uint8_t *lum_m2,
183  const uint8_t *lum_m1,
184  const uint8_t *lum, int size);
185 
186 #define PIXELS16(STATIC, PFX1, PFX2, TYPE, CPUEXT) \
187 STATIC void PFX1 ## _pixels16 ## TYPE ## CPUEXT(uint8_t *block, \
188  const uint8_t *pixels, \
189  ptrdiff_t line_size, \
190  int h) \
191 { \
192  PFX2 ## PFX1 ## _pixels8 ## TYPE ## CPUEXT(block, pixels, \
193  line_size, h); \
194  PFX2 ## PFX1 ## _pixels8 ## TYPE ## CPUEXT(block + 8, pixels + 8, \
195  line_size, h); \
196 }
197 
198 #endif /* AVCODEC_X86_DSPUTIL_MMX_H */
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