2 * SIMD-optimized halfpel functions
3 * Copyright (c) 2000, 2001 Fabrice Bellard
4 * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
6 * This file is part of FFmpeg.
8 * FFmpeg is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * FFmpeg is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 * MMX optimization by Nick Kurshev <nickols_k@mail.ru>
25 #include "libavutil/attributes.h"
26 #include "libavutil/cpu.h"
27 #include "libavutil/x86/asm.h"
28 #include "libavutil/x86/cpu.h"
29 #include "libavcodec/avcodec.h"
30 #include "libavcodec/hpeldsp.h"
31 #include "libavcodec/pixels.h"
35 void ff_put_pixels8_x2_mmxext(uint8_t *block, const uint8_t *pixels,
36 ptrdiff_t line_size, int h);
37 void ff_put_pixels8_x2_3dnow(uint8_t *block, const uint8_t *pixels,
38 ptrdiff_t line_size, int h);
39 void ff_put_pixels16_x2_mmxext(uint8_t *block, const uint8_t *pixels,
40 ptrdiff_t line_size, int h);
41 void ff_put_pixels16_x2_3dnow(uint8_t *block, const uint8_t *pixels,
42 ptrdiff_t line_size, int h);
43 void ff_put_pixels16_x2_sse2(uint8_t *block, const uint8_t *pixels,
44 ptrdiff_t line_size, int h);
45 void ff_avg_pixels16_x2_sse2(uint8_t *block, const uint8_t *pixels,
46 ptrdiff_t line_size, int h);
47 void ff_put_pixels16_y2_sse2(uint8_t *block, const uint8_t *pixels,
48 ptrdiff_t line_size, int h);
49 void ff_avg_pixels16_y2_sse2(uint8_t *block, const uint8_t *pixels,
50 ptrdiff_t line_size, int h);
51 void ff_put_no_rnd_pixels8_x2_mmxext(uint8_t *block, const uint8_t *pixels,
52 ptrdiff_t line_size, int h);
53 void ff_put_no_rnd_pixels8_x2_3dnow(uint8_t *block, const uint8_t *pixels,
54 ptrdiff_t line_size, int h);
55 void ff_put_no_rnd_pixels8_x2_exact_mmxext(uint8_t *block,
56 const uint8_t *pixels,
57 ptrdiff_t line_size, int h);
58 void ff_put_no_rnd_pixels8_x2_exact_3dnow(uint8_t *block,
59 const uint8_t *pixels,
60 ptrdiff_t line_size, int h);
61 void ff_put_pixels8_y2_mmxext(uint8_t *block, const uint8_t *pixels,
62 ptrdiff_t line_size, int h);
63 void ff_put_pixels8_y2_3dnow(uint8_t *block, const uint8_t *pixels,
64 ptrdiff_t line_size, int h);
65 void ff_put_no_rnd_pixels8_y2_mmxext(uint8_t *block, const uint8_t *pixels,
66 ptrdiff_t line_size, int h);
67 void ff_put_no_rnd_pixels8_y2_3dnow(uint8_t *block, const uint8_t *pixels,
68 ptrdiff_t line_size, int h);
69 void ff_put_no_rnd_pixels8_y2_exact_mmxext(uint8_t *block,
70 const uint8_t *pixels,
71 ptrdiff_t line_size, int h);
72 void ff_put_no_rnd_pixels8_y2_exact_3dnow(uint8_t *block,
73 const uint8_t *pixels,
74 ptrdiff_t line_size, int h);
75 void ff_avg_pixels8_3dnow(uint8_t *block, const uint8_t *pixels,
76 ptrdiff_t line_size, int h);
77 void ff_avg_pixels8_x2_mmxext(uint8_t *block, const uint8_t *pixels,
78 ptrdiff_t line_size, int h);
79 void ff_avg_pixels8_x2_3dnow(uint8_t *block, const uint8_t *pixels,
80 ptrdiff_t line_size, int h);
81 void ff_avg_pixels8_y2_mmxext(uint8_t *block, const uint8_t *pixels,
82 ptrdiff_t line_size, int h);
83 void ff_avg_pixels8_y2_3dnow(uint8_t *block, const uint8_t *pixels,
84 ptrdiff_t line_size, int h);
85 void ff_avg_pixels8_xy2_3dnow(uint8_t *block, const uint8_t *pixels,
86 ptrdiff_t line_size, int h);
87 void ff_avg_approx_pixels8_xy2_mmxext(uint8_t *block, const uint8_t *pixels,
88 ptrdiff_t line_size, int h);
89 void ff_avg_approx_pixels8_xy2_3dnow(uint8_t *block, const uint8_t *pixels,
90 ptrdiff_t line_size, int h);
92 #define avg_pixels8_mmx ff_avg_pixels8_mmx
93 #define avg_pixels8_x2_mmx ff_avg_pixels8_x2_mmx
94 #define avg_pixels16_mmx ff_avg_pixels16_mmx
95 #define avg_pixels8_xy2_mmx ff_avg_pixels8_xy2_mmx
96 #define avg_pixels16_xy2_mmx ff_avg_pixels16_xy2_mmx
97 #define put_pixels8_mmx ff_put_pixels8_mmx
98 #define put_pixels16_mmx ff_put_pixels16_mmx
99 #define put_pixels8_xy2_mmx ff_put_pixels8_xy2_mmx
100 #define put_pixels16_xy2_mmx ff_put_pixels16_xy2_mmx
101 #define avg_no_rnd_pixels16_mmx ff_avg_pixels16_mmx
102 #define put_no_rnd_pixels8_mmx ff_put_pixels8_mmx
103 #define put_no_rnd_pixels16_mmx ff_put_pixels16_mmx
107 /***********************************/
108 /* MMX no rounding */
109 #define DEF(x, y) x ## _no_rnd_ ## y ## _mmx
110 #define SET_RND MOVQ_WONE
111 #define PAVGBP(a, b, c, d, e, f) PAVGBP_MMX_NO_RND(a, b, c, d, e, f)
112 #define PAVGB(a, b, c, e) PAVGB_MMX_NO_RND(a, b, c, e)
113 #define STATIC static
115 #include "rnd_template.c"
116 #include "hpeldsp_rnd_template.c"
124 CALL_2X_PIXELS(avg_no_rnd_pixels16_y2_mmx, avg_no_rnd_pixels8_y2_mmx, 8)
125 CALL_2X_PIXELS(put_no_rnd_pixels16_y2_mmx, put_no_rnd_pixels8_y2_mmx, 8)
127 CALL_2X_PIXELS(avg_no_rnd_pixels16_xy2_mmx, avg_no_rnd_pixels8_xy2_mmx, 8)
128 CALL_2X_PIXELS(put_no_rnd_pixels16_xy2_mmx, put_no_rnd_pixels8_xy2_mmx, 8)
130 /***********************************/
133 #define DEF(x, y) x ## _ ## y ## _mmx
134 #define SET_RND MOVQ_WTWO
135 #define PAVGBP(a, b, c, d, e, f) PAVGBP_MMX(a, b, c, d, e, f)
136 #define PAVGB(a, b, c, e) PAVGB_MMX(a, b, c, e)
138 #include "hpeldsp_rnd_template.c"
141 #define DEF(x, y) ff_ ## x ## _ ## y ## _mmx
144 #include "rnd_template.c"
151 CALL_2X_PIXELS(avg_pixels16_y2_mmx, avg_pixels8_y2_mmx, 8)
152 CALL_2X_PIXELS(put_pixels16_y2_mmx, put_pixels8_y2_mmx, 8)
154 CALL_2X_PIXELS_EXPORT(ff_avg_pixels16_xy2_mmx, ff_avg_pixels8_xy2_mmx, 8)
155 CALL_2X_PIXELS_EXPORT(ff_put_pixels16_xy2_mmx, ff_put_pixels8_xy2_mmx, 8)
157 #endif /* HAVE_INLINE_ASM */
162 #define HPELDSP_AVG_PIXELS16(CPUEXT) \
163 CALL_2X_PIXELS(put_no_rnd_pixels16_x2 ## CPUEXT, ff_put_no_rnd_pixels8_x2 ## CPUEXT, 8) \
164 CALL_2X_PIXELS(put_pixels16_y2 ## CPUEXT, ff_put_pixels8_y2 ## CPUEXT, 8) \
165 CALL_2X_PIXELS(put_no_rnd_pixels16_y2 ## CPUEXT, ff_put_no_rnd_pixels8_y2 ## CPUEXT, 8) \
166 CALL_2X_PIXELS(avg_pixels16 ## CPUEXT, ff_avg_pixels8 ## CPUEXT, 8) \
167 CALL_2X_PIXELS(avg_pixels16_x2 ## CPUEXT, ff_avg_pixels8_x2 ## CPUEXT, 8) \
168 CALL_2X_PIXELS(avg_pixels16_y2 ## CPUEXT, ff_avg_pixels8_y2 ## CPUEXT, 8) \
169 CALL_2X_PIXELS(avg_pixels16_xy2 ## CPUEXT, ff_avg_pixels8_xy2 ## CPUEXT, 8) \
170 CALL_2X_PIXELS(avg_approx_pixels16_xy2## CPUEXT, ff_avg_approx_pixels8_xy2## CPUEXT, 8)
172 HPELDSP_AVG_PIXELS16(_3dnow)
173 HPELDSP_AVG_PIXELS16(_mmxext)
175 #endif /* HAVE_YASM */
177 #define SET_HPEL_FUNCS_EXT(PFX, IDX, SIZE, CPU) \
178 if (HAVE_MMX_EXTERNAL) \
179 c->PFX ## _pixels_tab IDX [0] = PFX ## _pixels ## SIZE ## _ ## CPU;
182 #define SET_HPEL_FUNCS(PFX, IDX, SIZE, CPU) \
184 SET_HPEL_FUNCS_EXT(PFX, IDX, SIZE, CPU) \
185 c->PFX ## _pixels_tab IDX [1] = PFX ## _pixels ## SIZE ## _x2_ ## CPU; \
186 c->PFX ## _pixels_tab IDX [2] = PFX ## _pixels ## SIZE ## _y2_ ## CPU; \
187 c->PFX ## _pixels_tab IDX [3] = PFX ## _pixels ## SIZE ## _xy2_ ## CPU; \
190 #define SET_HPEL_FUNCS(PFX, IDX, SIZE, CPU) \
192 SET_HPEL_FUNCS_EXT(PFX, IDX, SIZE, CPU) \
196 static void hpeldsp_init_mmx(HpelDSPContext *c, int flags, int cpu_flags)
198 SET_HPEL_FUNCS(put, [0], 16, mmx);
199 SET_HPEL_FUNCS(put_no_rnd, [0], 16, mmx);
200 SET_HPEL_FUNCS(avg, [0], 16, mmx);
201 SET_HPEL_FUNCS(avg_no_rnd, , 16, mmx);
202 SET_HPEL_FUNCS(put, [1], 8, mmx);
203 SET_HPEL_FUNCS(put_no_rnd, [1], 8, mmx);
204 if (HAVE_MMX_EXTERNAL) {
205 c->avg_pixels_tab[1][0] = ff_avg_pixels8_mmx;
206 c->avg_pixels_tab[1][1] = ff_avg_pixels8_x2_mmx;
209 c->avg_pixels_tab[1][2] = avg_pixels8_y2_mmx;
210 c->avg_pixels_tab[1][3] = ff_avg_pixels8_xy2_mmx;
214 static void hpeldsp_init_mmxext(HpelDSPContext *c, int flags, int cpu_flags)
216 #if HAVE_MMXEXT_EXTERNAL
217 c->put_pixels_tab[0][1] = ff_put_pixels16_x2_mmxext;
218 c->put_pixels_tab[0][2] = put_pixels16_y2_mmxext;
220 c->avg_pixels_tab[0][0] = avg_pixels16_mmxext;
221 c->avg_pixels_tab[0][1] = avg_pixels16_x2_mmxext;
222 c->avg_pixels_tab[0][2] = avg_pixels16_y2_mmxext;
223 c->avg_pixels_tab[0][3] = avg_pixels16_xy2_mmxext;
225 c->put_pixels_tab[1][1] = ff_put_pixels8_x2_mmxext;
226 c->put_pixels_tab[1][2] = ff_put_pixels8_y2_mmxext;
228 c->avg_pixels_tab[1][0] = ff_avg_pixels8_mmxext;
229 c->avg_pixels_tab[1][1] = ff_avg_pixels8_x2_mmxext;
230 c->avg_pixels_tab[1][2] = ff_avg_pixels8_y2_mmxext;
231 c->avg_pixels_tab[1][3] = ff_avg_pixels8_xy2_mmxext;
233 if (!(flags & AV_CODEC_FLAG_BITEXACT)) {
234 c->put_no_rnd_pixels_tab[0][1] = put_no_rnd_pixels16_x2_mmxext;
235 c->put_no_rnd_pixels_tab[0][2] = put_no_rnd_pixels16_y2_mmxext;
236 c->put_no_rnd_pixels_tab[1][1] = ff_put_no_rnd_pixels8_x2_mmxext;
237 c->put_no_rnd_pixels_tab[1][2] = ff_put_no_rnd_pixels8_y2_mmxext;
239 c->avg_pixels_tab[0][3] = avg_approx_pixels16_xy2_mmxext;
240 c->avg_pixels_tab[1][3] = ff_avg_approx_pixels8_xy2_mmxext;
243 if (CONFIG_VP3_DECODER && flags & AV_CODEC_FLAG_BITEXACT) {
244 c->put_no_rnd_pixels_tab[1][1] = ff_put_no_rnd_pixels8_x2_exact_mmxext;
245 c->put_no_rnd_pixels_tab[1][2] = ff_put_no_rnd_pixels8_y2_exact_mmxext;
247 #endif /* HAVE_MMXEXT_EXTERNAL */
250 static void hpeldsp_init_3dnow(HpelDSPContext *c, int flags, int cpu_flags)
252 #if HAVE_AMD3DNOW_EXTERNAL
253 c->put_pixels_tab[0][1] = ff_put_pixels16_x2_3dnow;
254 c->put_pixels_tab[0][2] = put_pixels16_y2_3dnow;
256 c->avg_pixels_tab[0][0] = avg_pixels16_3dnow;
257 c->avg_pixels_tab[0][1] = avg_pixels16_x2_3dnow;
258 c->avg_pixels_tab[0][2] = avg_pixels16_y2_3dnow;
259 c->avg_pixels_tab[0][3] = avg_pixels16_xy2_3dnow;
261 c->put_pixels_tab[1][1] = ff_put_pixels8_x2_3dnow;
262 c->put_pixels_tab[1][2] = ff_put_pixels8_y2_3dnow;
264 c->avg_pixels_tab[1][0] = ff_avg_pixels8_3dnow;
265 c->avg_pixels_tab[1][1] = ff_avg_pixels8_x2_3dnow;
266 c->avg_pixels_tab[1][2] = ff_avg_pixels8_y2_3dnow;
267 c->avg_pixels_tab[1][3] = ff_avg_pixels8_xy2_3dnow;
269 if (!(flags & AV_CODEC_FLAG_BITEXACT)){
270 c->put_no_rnd_pixels_tab[0][1] = put_no_rnd_pixels16_x2_3dnow;
271 c->put_no_rnd_pixels_tab[0][2] = put_no_rnd_pixels16_y2_3dnow;
272 c->put_no_rnd_pixels_tab[1][1] = ff_put_no_rnd_pixels8_x2_3dnow;
273 c->put_no_rnd_pixels_tab[1][2] = ff_put_no_rnd_pixels8_y2_3dnow;
275 c->avg_pixels_tab[0][3] = avg_approx_pixels16_xy2_3dnow;
276 c->avg_pixels_tab[1][3] = ff_avg_approx_pixels8_xy2_3dnow;
279 if (CONFIG_VP3_DECODER && flags & AV_CODEC_FLAG_BITEXACT) {
280 c->put_no_rnd_pixels_tab[1][1] = ff_put_no_rnd_pixels8_x2_exact_3dnow;
281 c->put_no_rnd_pixels_tab[1][2] = ff_put_no_rnd_pixels8_y2_exact_3dnow;
283 #endif /* HAVE_AMD3DNOW_EXTERNAL */
286 static void hpeldsp_init_sse2(HpelDSPContext *c, int flags, int cpu_flags)
288 #if HAVE_SSE2_EXTERNAL
289 if (!(cpu_flags & AV_CPU_FLAG_SSE2SLOW)) {
290 // these functions are slower than mmx on AMD, but faster on Intel
291 c->put_pixels_tab[0][0] = ff_put_pixels16_sse2;
292 c->put_no_rnd_pixels_tab[0][0] = ff_put_pixels16_sse2;
293 c->put_pixels_tab[0][1] = ff_put_pixels16_x2_sse2;
294 c->put_pixels_tab[0][2] = ff_put_pixels16_y2_sse2;
295 c->put_pixels_tab[0][3] = ff_put_pixels16_xy2_sse2;
296 c->avg_pixels_tab[0][0] = ff_avg_pixels16_sse2;
297 c->avg_pixels_tab[0][1] = ff_avg_pixels16_x2_sse2;
298 c->avg_pixels_tab[0][2] = ff_avg_pixels16_y2_sse2;
299 c->avg_pixels_tab[0][3] = ff_avg_pixels16_xy2_sse2;
301 #endif /* HAVE_SSE2_EXTERNAL */
304 static void hpeldsp_init_ssse3(HpelDSPContext *c, int flags, int cpu_flags)
306 #if HAVE_SSSE3_EXTERNAL
307 c->put_pixels_tab[0][3] = ff_put_pixels16_xy2_ssse3;
308 c->avg_pixels_tab[0][3] = ff_avg_pixels16_xy2_ssse3;
309 c->put_pixels_tab[1][3] = ff_put_pixels8_xy2_ssse3;
310 c->avg_pixels_tab[1][3] = ff_avg_pixels8_xy2_ssse3;
314 av_cold void ff_hpeldsp_init_x86(HpelDSPContext *c, int flags)
316 int cpu_flags = av_get_cpu_flags();
318 if (INLINE_MMX(cpu_flags))
319 hpeldsp_init_mmx(c, flags, cpu_flags);
321 if (EXTERNAL_AMD3DNOW(cpu_flags))
322 hpeldsp_init_3dnow(c, flags, cpu_flags);
324 if (EXTERNAL_MMXEXT(cpu_flags))
325 hpeldsp_init_mmxext(c, flags, cpu_flags);
327 if (EXTERNAL_SSE2(cpu_flags))
328 hpeldsp_init_sse2(c, flags, cpu_flags);
330 if (EXTERNAL_SSSE3(cpu_flags))
331 hpeldsp_init_ssse3(c, flags, cpu_flags);