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2ba45a60 DM |
1 | /* |
2 | * This file is part of FFmpeg. | |
3 | * | |
4 | * FFmpeg is free software; you can redistribute it and/or | |
5 | * modify it under the terms of the GNU Lesser General Public | |
6 | * License as published by the Free Software Foundation; either | |
7 | * version 2.1 of the License, or (at your option) any later version. | |
8 | * | |
9 | * FFmpeg is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | * Lesser General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU Lesser General Public | |
15 | * License along with FFmpeg; if not, write to the Free Software | |
16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
17 | */ | |
18 | ||
19 | #include "libavutil/attributes.h" | |
20 | #include "libavutil/avassert.h" | |
21 | #include "libavutil/cpu.h" | |
22 | #include "libavutil/x86/cpu.h" | |
23 | #include "libavcodec/avcodec.h" | |
24 | #include "libavcodec/mpegvideoencdsp.h" | |
25 | ||
26 | int ff_pix_sum16_mmx(uint8_t *pix, int line_size); | |
f6fa7814 | 27 | int ff_pix_sum16_mmxext(uint8_t *pix, int line_size); |
2ba45a60 DM |
28 | int ff_pix_sum16_sse2(uint8_t *pix, int line_size); |
29 | int ff_pix_sum16_xop(uint8_t *pix, int line_size); | |
30 | int ff_pix_norm1_mmx(uint8_t *pix, int line_size); | |
31 | int ff_pix_norm1_sse2(uint8_t *pix, int line_size); | |
32 | ||
33 | #if HAVE_INLINE_ASM | |
34 | ||
35 | #define PHADDD(a, t) \ | |
36 | "movq " #a ", " #t " \n\t" \ | |
37 | "psrlq $32, " #a " \n\t" \ | |
38 | "paddd " #t ", " #a " \n\t" | |
39 | ||
40 | /* | |
41 | * pmulhw: dst[0 - 15] = (src[0 - 15] * dst[0 - 15])[16 - 31] | |
42 | * pmulhrw: dst[0 - 15] = (src[0 - 15] * dst[0 - 15] + 0x8000)[16 - 31] | |
43 | * pmulhrsw: dst[0 - 15] = (src[0 - 15] * dst[0 - 15] + 0x4000)[15 - 30] | |
44 | */ | |
45 | #define PMULHRW(x, y, s, o) \ | |
46 | "pmulhw " #s ", " #x " \n\t" \ | |
47 | "pmulhw " #s ", " #y " \n\t" \ | |
48 | "paddw " #o ", " #x " \n\t" \ | |
49 | "paddw " #o ", " #y " \n\t" \ | |
50 | "psraw $1, " #x " \n\t" \ | |
51 | "psraw $1, " #y " \n\t" | |
52 | #define DEF(x) x ## _mmx | |
53 | #define SET_RND MOVQ_WONE | |
54 | #define SCALE_OFFSET 1 | |
55 | ||
56 | #include "mpegvideoenc_qns_template.c" | |
57 | ||
58 | #undef DEF | |
59 | #undef SET_RND | |
60 | #undef SCALE_OFFSET | |
61 | #undef PMULHRW | |
62 | ||
63 | #define DEF(x) x ## _3dnow | |
64 | #define SET_RND(x) | |
65 | #define SCALE_OFFSET 0 | |
66 | #define PMULHRW(x, y, s, o) \ | |
67 | "pmulhrw " #s ", " #x " \n\t" \ | |
68 | "pmulhrw " #s ", " #y " \n\t" | |
69 | ||
70 | #include "mpegvideoenc_qns_template.c" | |
71 | ||
72 | #undef DEF | |
73 | #undef SET_RND | |
74 | #undef SCALE_OFFSET | |
75 | #undef PMULHRW | |
76 | ||
77 | #if HAVE_SSSE3_INLINE | |
78 | #undef PHADDD | |
79 | #define DEF(x) x ## _ssse3 | |
80 | #define SET_RND(x) | |
81 | #define SCALE_OFFSET -1 | |
82 | ||
83 | #define PHADDD(a, t) \ | |
84 | "pshufw $0x0E, " #a ", " #t " \n\t" \ | |
85 | /* faster than phaddd on core2 */ \ | |
86 | "paddd " #t ", " #a " \n\t" | |
87 | ||
88 | #define PMULHRW(x, y, s, o) \ | |
89 | "pmulhrsw " #s ", " #x " \n\t" \ | |
90 | "pmulhrsw " #s ", " #y " \n\t" | |
91 | ||
92 | #include "mpegvideoenc_qns_template.c" | |
93 | ||
94 | #undef DEF | |
95 | #undef SET_RND | |
96 | #undef SCALE_OFFSET | |
97 | #undef PMULHRW | |
98 | #undef PHADDD | |
99 | #endif /* HAVE_SSSE3_INLINE */ | |
100 | ||
101 | /* Draw the edges of width 'w' of an image of size width, height | |
102 | * this MMX version can only handle w == 8 || w == 16. */ | |
103 | static void draw_edges_mmx(uint8_t *buf, int wrap, int width, int height, | |
104 | int w, int h, int sides) | |
105 | { | |
106 | uint8_t *ptr, *last_line; | |
107 | int i; | |
108 | ||
109 | last_line = buf + (height - 1) * wrap; | |
110 | /* left and right */ | |
111 | ptr = buf; | |
112 | if (w == 8) { | |
113 | __asm__ volatile ( | |
114 | "1: \n\t" | |
115 | "movd (%0), %%mm0 \n\t" | |
116 | "punpcklbw %%mm0, %%mm0 \n\t" | |
117 | "punpcklwd %%mm0, %%mm0 \n\t" | |
118 | "punpckldq %%mm0, %%mm0 \n\t" | |
119 | "movq %%mm0, -8(%0) \n\t" | |
120 | "movq -8(%0, %2), %%mm1 \n\t" | |
121 | "punpckhbw %%mm1, %%mm1 \n\t" | |
122 | "punpckhwd %%mm1, %%mm1 \n\t" | |
123 | "punpckhdq %%mm1, %%mm1 \n\t" | |
124 | "movq %%mm1, (%0, %2) \n\t" | |
125 | "add %1, %0 \n\t" | |
126 | "cmp %3, %0 \n\t" | |
127 | "jb 1b \n\t" | |
128 | : "+r" (ptr) | |
129 | : "r" ((x86_reg) wrap), "r" ((x86_reg) width), | |
130 | "r" (ptr + wrap * height)); | |
131 | } else if (w == 16) { | |
132 | __asm__ volatile ( | |
133 | "1: \n\t" | |
134 | "movd (%0), %%mm0 \n\t" | |
135 | "punpcklbw %%mm0, %%mm0 \n\t" | |
136 | "punpcklwd %%mm0, %%mm0 \n\t" | |
137 | "punpckldq %%mm0, %%mm0 \n\t" | |
138 | "movq %%mm0, -8(%0) \n\t" | |
139 | "movq %%mm0, -16(%0) \n\t" | |
140 | "movq -8(%0, %2), %%mm1 \n\t" | |
141 | "punpckhbw %%mm1, %%mm1 \n\t" | |
142 | "punpckhwd %%mm1, %%mm1 \n\t" | |
143 | "punpckhdq %%mm1, %%mm1 \n\t" | |
144 | "movq %%mm1, (%0, %2) \n\t" | |
145 | "movq %%mm1, 8(%0, %2) \n\t" | |
146 | "add %1, %0 \n\t" | |
147 | "cmp %3, %0 \n\t" | |
148 | "jb 1b \n\t" | |
149 | : "+r"(ptr) | |
150 | : "r"((x86_reg)wrap), "r"((x86_reg)width), "r"(ptr + wrap * height) | |
151 | ); | |
152 | } else { | |
153 | av_assert1(w == 4); | |
154 | __asm__ volatile ( | |
155 | "1: \n\t" | |
156 | "movd (%0), %%mm0 \n\t" | |
157 | "punpcklbw %%mm0, %%mm0 \n\t" | |
158 | "punpcklwd %%mm0, %%mm0 \n\t" | |
159 | "movd %%mm0, -4(%0) \n\t" | |
160 | "movd -4(%0, %2), %%mm1 \n\t" | |
161 | "punpcklbw %%mm1, %%mm1 \n\t" | |
162 | "punpckhwd %%mm1, %%mm1 \n\t" | |
163 | "punpckhdq %%mm1, %%mm1 \n\t" | |
164 | "movd %%mm1, (%0, %2) \n\t" | |
165 | "add %1, %0 \n\t" | |
166 | "cmp %3, %0 \n\t" | |
167 | "jb 1b \n\t" | |
168 | : "+r" (ptr) | |
169 | : "r" ((x86_reg) wrap), "r" ((x86_reg) width), | |
170 | "r" (ptr + wrap * height)); | |
171 | } | |
172 | ||
173 | /* top and bottom (and hopefully also the corners) */ | |
174 | if (sides & EDGE_TOP) { | |
175 | for (i = 0; i < h; i += 4) { | |
176 | ptr = buf - (i + 1) * wrap - w; | |
177 | __asm__ volatile ( | |
178 | "1: \n\t" | |
179 | "movq (%1, %0), %%mm0 \n\t" | |
180 | "movq %%mm0, (%0) \n\t" | |
181 | "movq %%mm0, (%0, %2) \n\t" | |
182 | "movq %%mm0, (%0, %2, 2) \n\t" | |
183 | "movq %%mm0, (%0, %3) \n\t" | |
184 | "add $8, %0 \n\t" | |
185 | "cmp %4, %0 \n\t" | |
186 | "jb 1b \n\t" | |
187 | : "+r" (ptr) | |
188 | : "r" ((x86_reg) buf - (x86_reg) ptr - w), | |
189 | "r" ((x86_reg) - wrap), "r" ((x86_reg) - wrap * 3), | |
190 | "r" (ptr + width + 2 * w)); | |
191 | } | |
192 | } | |
193 | ||
194 | if (sides & EDGE_BOTTOM) { | |
195 | for (i = 0; i < h; i += 4) { | |
196 | ptr = last_line + (i + 1) * wrap - w; | |
197 | __asm__ volatile ( | |
198 | "1: \n\t" | |
199 | "movq (%1, %0), %%mm0 \n\t" | |
200 | "movq %%mm0, (%0) \n\t" | |
201 | "movq %%mm0, (%0, %2) \n\t" | |
202 | "movq %%mm0, (%0, %2, 2) \n\t" | |
203 | "movq %%mm0, (%0, %3) \n\t" | |
204 | "add $8, %0 \n\t" | |
205 | "cmp %4, %0 \n\t" | |
206 | "jb 1b \n\t" | |
207 | : "+r" (ptr) | |
208 | : "r" ((x86_reg) last_line - (x86_reg) ptr - w), | |
209 | "r" ((x86_reg) wrap), "r" ((x86_reg) wrap * 3), | |
210 | "r" (ptr + width + 2 * w)); | |
211 | } | |
212 | } | |
213 | } | |
214 | ||
215 | #endif /* HAVE_INLINE_ASM */ | |
216 | ||
217 | av_cold void ff_mpegvideoencdsp_init_x86(MpegvideoEncDSPContext *c, | |
218 | AVCodecContext *avctx) | |
219 | { | |
220 | int cpu_flags = av_get_cpu_flags(); | |
221 | ||
f6fa7814 | 222 | #if ARCH_X86_32 |
2ba45a60 DM |
223 | if (EXTERNAL_MMX(cpu_flags)) { |
224 | c->pix_sum = ff_pix_sum16_mmx; | |
225 | c->pix_norm1 = ff_pix_norm1_mmx; | |
226 | } | |
227 | ||
f6fa7814 DM |
228 | if (EXTERNAL_MMXEXT(cpu_flags)) { |
229 | c->pix_sum = ff_pix_sum16_mmxext; | |
230 | } | |
231 | #endif | |
232 | ||
2ba45a60 DM |
233 | if (EXTERNAL_SSE2(cpu_flags)) { |
234 | c->pix_sum = ff_pix_sum16_sse2; | |
235 | c->pix_norm1 = ff_pix_norm1_sse2; | |
236 | } | |
237 | ||
238 | if (EXTERNAL_XOP(cpu_flags)) { | |
239 | c->pix_sum = ff_pix_sum16_xop; | |
240 | } | |
241 | ||
242 | #if HAVE_INLINE_ASM | |
243 | ||
244 | if (INLINE_MMX(cpu_flags)) { | |
245 | if (!(avctx->flags & CODEC_FLAG_BITEXACT)) { | |
246 | c->try_8x8basis = try_8x8basis_mmx; | |
247 | } | |
248 | c->add_8x8basis = add_8x8basis_mmx; | |
249 | ||
250 | if (avctx->bits_per_raw_sample <= 8) { | |
251 | c->draw_edges = draw_edges_mmx; | |
252 | } | |
253 | } | |
254 | ||
255 | if (INLINE_AMD3DNOW(cpu_flags)) { | |
256 | if (!(avctx->flags & CODEC_FLAG_BITEXACT)) { | |
257 | c->try_8x8basis = try_8x8basis_3dnow; | |
258 | } | |
259 | c->add_8x8basis = add_8x8basis_3dnow; | |
260 | } | |
261 | ||
262 | #if HAVE_SSSE3_INLINE | |
263 | if (INLINE_SSSE3(cpu_flags)) { | |
264 | if (!(avctx->flags & CODEC_FLAG_BITEXACT)) { | |
265 | c->try_8x8basis = try_8x8basis_ssse3; | |
266 | } | |
267 | c->add_8x8basis = add_8x8basis_ssse3; | |
268 | } | |
269 | #endif /* HAVE_SSSE3_INLINE */ | |
270 | ||
271 | #endif /* HAVE_INLINE_ASM */ | |
272 | } |