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Issue 3384002: ffmpeg source update for sep 09 (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/ffmpeg/
Patch Set: Created 10 years, 3 months ago
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1 /*
2 * Copyright (c) 2005 Zoltan Hidvegi <hzoli -a- hzoli -d- com>,
3 * Loren Merritt
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 /**
23 * MMX optimized version of (put|avg)_h264_chroma_mc8.
24 * H264_CHROMA_MC8_TMPL must be defined to the desired function name
25 * H264_CHROMA_OP must be defined to empty for put and pavgb/pavgusb for avg
26 * H264_CHROMA_MC8_MV0 must be defined to a (put|avg)_pixels8 function
27 */
28 static void H264_CHROMA_MC8_TMPL(uint8_t *dst/*align 8*/, uint8_t *src/*align 1* /, int stride, int h, int x, int y, const uint64_t *rnd_reg)
29 {
30 DECLARE_ALIGNED(8, uint64_t, AA);
31 DECLARE_ALIGNED(8, uint64_t, DD);
32 int i;
33
34 if(y==0 && x==0) {
35 /* no filter needed */
36 H264_CHROMA_MC8_MV0(dst, src, stride, h);
37 return;
38 }
39
40 assert(x<8 && y<8 && x>=0 && y>=0);
41
42 if(y==0 || x==0)
43 {
44 /* 1 dimensional filter only */
45 const int dxy = x ? 1 : stride;
46
47 __asm__ volatile(
48 "movd %0, %%mm5\n\t"
49 "movq %1, %%mm4\n\t"
50 "movq %2, %%mm6\n\t" /* mm6 = rnd >> 3 */
51 "punpcklwd %%mm5, %%mm5\n\t"
52 "punpckldq %%mm5, %%mm5\n\t" /* mm5 = B = x */
53 "pxor %%mm7, %%mm7\n\t"
54 "psubw %%mm5, %%mm4\n\t" /* mm4 = A = 8-x */
55 :: "rm"(x+y), "m"(ff_pw_8), "m"(*(rnd_reg+1)));
56
57 for(i=0; i<h; i++) {
58 __asm__ volatile(
59 /* mm0 = src[0..7], mm1 = src[1..8] */
60 "movq %0, %%mm0\n\t"
61 "movq %1, %%mm2\n\t"
62 :: "m"(src[0]), "m"(src[dxy]));
63
64 __asm__ volatile(
65 /* [mm0,mm1] = A * src[0..7] */
66 /* [mm2,mm3] = B * src[1..8] */
67 "movq %%mm0, %%mm1\n\t"
68 "movq %%mm2, %%mm3\n\t"
69 "punpcklbw %%mm7, %%mm0\n\t"
70 "punpckhbw %%mm7, %%mm1\n\t"
71 "punpcklbw %%mm7, %%mm2\n\t"
72 "punpckhbw %%mm7, %%mm3\n\t"
73 "pmullw %%mm4, %%mm0\n\t"
74 "pmullw %%mm4, %%mm1\n\t"
75 "pmullw %%mm5, %%mm2\n\t"
76 "pmullw %%mm5, %%mm3\n\t"
77
78 /* dst[0..7] = (A * src[0..7] + B * src[1..8] + (rnd >> 3)) >> 3 */
79 "paddw %%mm6, %%mm0\n\t"
80 "paddw %%mm6, %%mm1\n\t"
81 "paddw %%mm2, %%mm0\n\t"
82 "paddw %%mm3, %%mm1\n\t"
83 "psrlw $3, %%mm0\n\t"
84 "psrlw $3, %%mm1\n\t"
85 "packuswb %%mm1, %%mm0\n\t"
86 H264_CHROMA_OP(%0, %%mm0)
87 "movq %%mm0, %0\n\t"
88 : "=m" (dst[0]));
89
90 src += stride;
91 dst += stride;
92 }
93 return;
94 }
95
96 /* general case, bilinear */
97 __asm__ volatile("movd %2, %%mm4\n\t"
98 "movd %3, %%mm6\n\t"
99 "punpcklwd %%mm4, %%mm4\n\t"
100 "punpcklwd %%mm6, %%mm6\n\t"
101 "punpckldq %%mm4, %%mm4\n\t" /* mm4 = x words */
102 "punpckldq %%mm6, %%mm6\n\t" /* mm6 = y words */
103 "movq %%mm4, %%mm5\n\t"
104 "pmullw %%mm6, %%mm4\n\t" /* mm4 = x * y */
105 "psllw $3, %%mm5\n\t"
106 "psllw $3, %%mm6\n\t"
107 "movq %%mm5, %%mm7\n\t"
108 "paddw %%mm6, %%mm7\n\t"
109 "movq %%mm4, %1\n\t" /* DD = x * y */
110 "psubw %%mm4, %%mm5\n\t" /* mm5 = B = 8x - xy */
111 "psubw %%mm4, %%mm6\n\t" /* mm6 = C = 8y - xy */
112 "paddw %4, %%mm4\n\t"
113 "psubw %%mm7, %%mm4\n\t" /* mm4 = A = xy - (8x+8y) + 64 */
114 "pxor %%mm7, %%mm7\n\t"
115 "movq %%mm4, %0\n\t"
116 : "=m" (AA), "=m" (DD) : "rm" (x), "rm" (y), "m" (ff_pw_64));
117
118 __asm__ volatile(
119 /* mm0 = src[0..7], mm1 = src[1..8] */
120 "movq %0, %%mm0\n\t"
121 "movq %1, %%mm1\n\t"
122 : : "m" (src[0]), "m" (src[1]));
123
124 for(i=0; i<h; i++) {
125 src += stride;
126
127 __asm__ volatile(
128 /* mm2 = A * src[0..3] + B * src[1..4] */
129 /* mm3 = A * src[4..7] + B * src[5..8] */
130 "movq %%mm0, %%mm2\n\t"
131 "movq %%mm1, %%mm3\n\t"
132 "punpckhbw %%mm7, %%mm0\n\t"
133 "punpcklbw %%mm7, %%mm1\n\t"
134 "punpcklbw %%mm7, %%mm2\n\t"
135 "punpckhbw %%mm7, %%mm3\n\t"
136 "pmullw %0, %%mm0\n\t"
137 "pmullw %0, %%mm2\n\t"
138 "pmullw %%mm5, %%mm1\n\t"
139 "pmullw %%mm5, %%mm3\n\t"
140 "paddw %%mm1, %%mm2\n\t"
141 "paddw %%mm0, %%mm3\n\t"
142 : : "m" (AA));
143
144 __asm__ volatile(
145 /* [mm2,mm3] += C * src[0..7] */
146 "movq %0, %%mm0\n\t"
147 "movq %%mm0, %%mm1\n\t"
148 "punpcklbw %%mm7, %%mm0\n\t"
149 "punpckhbw %%mm7, %%mm1\n\t"
150 "pmullw %%mm6, %%mm0\n\t"
151 "pmullw %%mm6, %%mm1\n\t"
152 "paddw %%mm0, %%mm2\n\t"
153 "paddw %%mm1, %%mm3\n\t"
154 : : "m" (src[0]));
155
156 __asm__ volatile(
157 /* [mm2,mm3] += D * src[1..8] */
158 "movq %1, %%mm1\n\t"
159 "movq %%mm1, %%mm0\n\t"
160 "movq %%mm1, %%mm4\n\t"
161 "punpcklbw %%mm7, %%mm0\n\t"
162 "punpckhbw %%mm7, %%mm4\n\t"
163 "pmullw %2, %%mm0\n\t"
164 "pmullw %2, %%mm4\n\t"
165 "paddw %%mm0, %%mm2\n\t"
166 "paddw %%mm4, %%mm3\n\t"
167 "movq %0, %%mm0\n\t"
168 : : "m" (src[0]), "m" (src[1]), "m" (DD));
169
170 __asm__ volatile(
171 /* dst[0..7] = ([mm2,mm3] + rnd) >> 6 */
172 "paddw %1, %%mm2\n\t"
173 "paddw %1, %%mm3\n\t"
174 "psrlw $6, %%mm2\n\t"
175 "psrlw $6, %%mm3\n\t"
176 "packuswb %%mm3, %%mm2\n\t"
177 H264_CHROMA_OP(%0, %%mm2)
178 "movq %%mm2, %0\n\t"
179 : "=m" (dst[0]) : "m" (*rnd_reg));
180 dst+= stride;
181 }
182 }
183
184 static void H264_CHROMA_MC4_TMPL(uint8_t *dst/*align 4*/, uint8_t *src/*align 1* /, int stride, int h, int x, int y, const uint64_t *rnd_reg)
185 {
186 __asm__ volatile(
187 "pxor %%mm7, %%mm7 \n\t"
188 "movd %5, %%mm2 \n\t"
189 "movd %6, %%mm3 \n\t"
190 "movq "MANGLE(ff_pw_8)", %%mm4\n\t"
191 "movq "MANGLE(ff_pw_8)", %%mm5\n\t"
192 "punpcklwd %%mm2, %%mm2 \n\t"
193 "punpcklwd %%mm3, %%mm3 \n\t"
194 "punpcklwd %%mm2, %%mm2 \n\t"
195 "punpcklwd %%mm3, %%mm3 \n\t"
196 "psubw %%mm2, %%mm4 \n\t"
197 "psubw %%mm3, %%mm5 \n\t"
198
199 "movd (%1), %%mm0 \n\t"
200 "movd 1(%1), %%mm6 \n\t"
201 "add %3, %1 \n\t"
202 "punpcklbw %%mm7, %%mm0 \n\t"
203 "punpcklbw %%mm7, %%mm6 \n\t"
204 "pmullw %%mm4, %%mm0 \n\t"
205 "pmullw %%mm2, %%mm6 \n\t"
206 "paddw %%mm0, %%mm6 \n\t"
207
208 "1: \n\t"
209 "movd (%1), %%mm0 \n\t"
210 "movd 1(%1), %%mm1 \n\t"
211 "add %3, %1 \n\t"
212 "punpcklbw %%mm7, %%mm0 \n\t"
213 "punpcklbw %%mm7, %%mm1 \n\t"
214 "pmullw %%mm4, %%mm0 \n\t"
215 "pmullw %%mm2, %%mm1 \n\t"
216 "paddw %%mm0, %%mm1 \n\t"
217 "movq %%mm1, %%mm0 \n\t"
218 "pmullw %%mm5, %%mm6 \n\t"
219 "pmullw %%mm3, %%mm1 \n\t"
220 "paddw %4, %%mm6 \n\t"
221 "paddw %%mm6, %%mm1 \n\t"
222 "psrlw $6, %%mm1 \n\t"
223 "packuswb %%mm1, %%mm1 \n\t"
224 H264_CHROMA_OP4((%0), %%mm1, %%mm6)
225 "movd %%mm1, (%0) \n\t"
226 "add %3, %0 \n\t"
227 "movd (%1), %%mm6 \n\t"
228 "movd 1(%1), %%mm1 \n\t"
229 "add %3, %1 \n\t"
230 "punpcklbw %%mm7, %%mm6 \n\t"
231 "punpcklbw %%mm7, %%mm1 \n\t"
232 "pmullw %%mm4, %%mm6 \n\t"
233 "pmullw %%mm2, %%mm1 \n\t"
234 "paddw %%mm6, %%mm1 \n\t"
235 "movq %%mm1, %%mm6 \n\t"
236 "pmullw %%mm5, %%mm0 \n\t"
237 "pmullw %%mm3, %%mm1 \n\t"
238 "paddw %4, %%mm0 \n\t"
239 "paddw %%mm0, %%mm1 \n\t"
240 "psrlw $6, %%mm1 \n\t"
241 "packuswb %%mm1, %%mm1 \n\t"
242 H264_CHROMA_OP4((%0), %%mm1, %%mm0)
243 "movd %%mm1, (%0) \n\t"
244 "add %3, %0 \n\t"
245 "sub $2, %2 \n\t"
246 "jnz 1b \n\t"
247 : "+r"(dst), "+r"(src), "+r"(h)
248 : "r"((x86_reg)stride), "m"(*rnd_reg), "m"(x), "m"(y)
249 );
250 }
251
252 #ifdef H264_CHROMA_MC2_TMPL
253 static void H264_CHROMA_MC2_TMPL(uint8_t *dst/*align 2*/, uint8_t *src/*align 1* /, int stride, int h, int x, int y)
254 {
255 int tmp = ((1<<16)-1)*x + 8;
256 int CD= tmp*y;
257 int AB= (tmp<<3) - CD;
258 __asm__ volatile(
259 /* mm5 = {A,B,A,B} */
260 /* mm6 = {C,D,C,D} */
261 "movd %0, %%mm5\n\t"
262 "movd %1, %%mm6\n\t"
263 "punpckldq %%mm5, %%mm5\n\t"
264 "punpckldq %%mm6, %%mm6\n\t"
265 "pxor %%mm7, %%mm7\n\t"
266 /* mm0 = src[0,1,1,2] */
267 "movd %2, %%mm2\n\t"
268 "punpcklbw %%mm7, %%mm2\n\t"
269 "pshufw $0x94, %%mm2, %%mm2\n\t"
270 :: "r"(AB), "r"(CD), "m"(src[0]));
271
272
273 __asm__ volatile(
274 "1:\n\t"
275 "add %4, %1\n\t"
276 /* mm1 = A * src[0,1] + B * src[1,2] */
277 "movq %%mm2, %%mm1\n\t"
278 "pmaddwd %%mm5, %%mm1\n\t"
279 /* mm0 = src[0,1,1,2] */
280 "movd (%1), %%mm0\n\t"
281 "punpcklbw %%mm7, %%mm0\n\t"
282 "pshufw $0x94, %%mm0, %%mm0\n\t"
283 /* mm1 += C * src[0,1] + D * src[1,2] */
284 "movq %%mm0, %%mm2\n\t"
285 "pmaddwd %%mm6, %%mm0\n\t"
286 "paddw %3, %%mm1\n\t"
287 "paddw %%mm0, %%mm1\n\t"
288 /* dst[0,1] = pack((mm1 + 32) >> 6) */
289 "psrlw $6, %%mm1\n\t"
290 "packssdw %%mm7, %%mm1\n\t"
291 "packuswb %%mm7, %%mm1\n\t"
292 H264_CHROMA_OP4((%0), %%mm1, %%mm3)
293 "movd %%mm1, %%esi\n\t"
294 "movw %%si, (%0)\n\t"
295 "add %4, %0\n\t"
296 "sub $1, %2\n\t"
297 "jnz 1b\n\t"
298 : "+r" (dst), "+r"(src), "+r"(h)
299 : "m" (ff_pw_32), "r"((x86_reg)stride)
300 : "%esi");
301
302 }
303 #endif
304
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