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1 | /* |
2 | * Copyright (c) 2012 | |
3 | * MIPS Technologies, Inc., California. | |
4 | * | |
5 | * Redistribution and use in source and binary forms, with or without | |
6 | * modification, are permitted provided that the following conditions | |
7 | * are met: | |
8 | * 1. Redistributions of source code must retain the above copyright | |
9 | * notice, this list of conditions and the following disclaimer. | |
10 | * 2. Redistributions in binary form must reproduce the above copyright | |
11 | * notice, this list of conditions and the following disclaimer in the | |
12 | * documentation and/or other materials provided with the distribution. | |
13 | * 3. Neither the name of the MIPS Technologies, Inc., nor the names of its | |
14 | * contributors may be used to endorse or promote products derived from | |
15 | * this software without specific prior written permission. | |
16 | * | |
17 | * THIS SOFTWARE IS PROVIDED BY THE MIPS TECHNOLOGIES, INC. ``AS IS'' AND | |
18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE MIPS TECHNOLOGIES, INC. BE LIABLE | |
21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
27 | * SUCH DAMAGE. | |
28 | * | |
29 | * Authors: Branimir Vasic (bvasic@mips.com) | |
30 | * Nedeljko Babic (nbabic@mips.com) | |
31 | * | |
32 | * Various AC-3 DSP Utils optimized for MIPS | |
33 | * | |
34 | * This file is part of FFmpeg. | |
35 | * | |
36 | * FFmpeg is free software; you can redistribute it and/or | |
37 | * modify it under the terms of the GNU Lesser General Public | |
38 | * License as published by the Free Software Foundation; either | |
39 | * version 2.1 of the License, or (at your option) any later version. | |
40 | * | |
41 | * FFmpeg is distributed in the hope that it will be useful, | |
42 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
43 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
44 | * Lesser General Public License for more details. | |
45 | * | |
46 | * You should have received a copy of the GNU Lesser General Public | |
47 | * License along with FFmpeg; if not, write to the Free Software | |
48 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
49 | */ | |
50 | ||
51 | /** | |
52 | * @file | |
53 | * Reference: libavcodec/ac3dsp.c | |
54 | */ | |
55 | ||
56 | #include "config.h" | |
57 | #include "libavcodec/ac3dsp.h" | |
58 | #include "libavcodec/ac3.h" | |
59 | ||
60 | ||
61 | #if HAVE_INLINE_ASM | |
62 | #if HAVE_MIPSDSPR1 | |
63 | static void ac3_bit_alloc_calc_bap_mips(int16_t *mask, int16_t *psd, | |
64 | int start, int end, | |
65 | int snr_offset, int floor, | |
66 | const uint8_t *bap_tab, uint8_t *bap) | |
67 | { | |
68 | int band, band_end, cond; | |
69 | int m, address1, address2; | |
70 | int16_t *psd1, *psd_end; | |
71 | uint8_t *bap1; | |
72 | ||
73 | if (snr_offset == -960) { | |
74 | memset(bap, 0, AC3_MAX_COEFS); | |
75 | return; | |
76 | } | |
77 | ||
78 | psd1 = &psd[start]; | |
79 | bap1 = &bap[start]; | |
80 | band = ff_ac3_bin_to_band_tab[start]; | |
81 | ||
82 | do { | |
83 | m = (FFMAX(mask[band] - snr_offset - floor, 0) & 0x1FE0) + floor; | |
84 | band_end = ff_ac3_band_start_tab[++band]; | |
85 | band_end = FFMIN(band_end, end); | |
86 | psd_end = psd + band_end - 1; | |
87 | ||
88 | __asm__ volatile ( | |
89 | "slt %[cond], %[psd1], %[psd_end] \n\t" | |
90 | "beqz %[cond], 1f \n\t" | |
91 | "2: \n\t" | |
92 | "lh %[address1], 0(%[psd1]) \n\t" | |
93 | "lh %[address2], 2(%[psd1]) \n\t" | |
94 | "addiu %[psd1], %[psd1], 4 \n\t" | |
95 | "subu %[address1], %[address1], %[m] \n\t" | |
96 | "sra %[address1], %[address1], 5 \n\t" | |
97 | "addiu %[address1], %[address1], -32 \n\t" | |
98 | "shll_s.w %[address1], %[address1], 26 \n\t" | |
99 | "subu %[address2], %[address2], %[m] \n\t" | |
100 | "sra %[address2], %[address2], 5 \n\t" | |
101 | "sra %[address1], %[address1], 26 \n\t" | |
102 | "addiu %[address1], %[address1], 32 \n\t" | |
103 | "lbux %[address1], %[address1](%[bap_tab]) \n\t" | |
104 | "addiu %[address2], %[address2], -32 \n\t" | |
105 | "shll_s.w %[address2], %[address2], 26 \n\t" | |
106 | "sb %[address1], 0(%[bap1]) \n\t" | |
107 | "slt %[cond], %[psd1], %[psd_end] \n\t" | |
108 | "sra %[address2], %[address2], 26 \n\t" | |
109 | "addiu %[address2], %[address2], 32 \n\t" | |
110 | "lbux %[address2], %[address2](%[bap_tab]) \n\t" | |
111 | "sb %[address2], 1(%[bap1]) \n\t" | |
112 | "addiu %[bap1], %[bap1], 2 \n\t" | |
113 | "bnez %[cond], 2b \n\t" | |
114 | "addiu %[psd_end], %[psd_end], 2 \n\t" | |
115 | "slt %[cond], %[psd1], %[psd_end] \n\t" | |
116 | "beqz %[cond], 3f \n\t" | |
117 | "1: \n\t" | |
118 | "lh %[address1], 0(%[psd1]) \n\t" | |
119 | "addiu %[psd1], %[psd1], 2 \n\t" | |
120 | "subu %[address1], %[address1], %[m] \n\t" | |
121 | "sra %[address1], %[address1], 5 \n\t" | |
122 | "addiu %[address1], %[address1], -32 \n\t" | |
123 | "shll_s.w %[address1], %[address1], 26 \n\t" | |
124 | "sra %[address1], %[address1], 26 \n\t" | |
125 | "addiu %[address1], %[address1], 32 \n\t" | |
126 | "lbux %[address1], %[address1](%[bap_tab]) \n\t" | |
127 | "sb %[address1], 0(%[bap1]) \n\t" | |
128 | "addiu %[bap1], %[bap1], 1 \n\t" | |
129 | "3: \n\t" | |
130 | ||
131 | : [address1]"=&r"(address1), [address2]"=&r"(address2), | |
132 | [cond]"=&r"(cond), [bap1]"+r"(bap1), | |
133 | [psd1]"+r"(psd1), [psd_end]"+r"(psd_end) | |
134 | : [m]"r"(m), [bap_tab]"r"(bap_tab) | |
135 | : "memory" | |
136 | ); | |
137 | } while (end > band_end); | |
138 | } | |
139 | ||
140 | static void ac3_update_bap_counts_mips(uint16_t mant_cnt[16], uint8_t *bap, | |
141 | int len) | |
142 | { | |
143 | int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7; | |
144 | ||
145 | __asm__ volatile ( | |
146 | "andi %[temp3], %[len], 3 \n\t" | |
147 | "addu %[temp2], %[bap], %[len] \n\t" | |
148 | "addu %[temp4], %[bap], %[temp3] \n\t" | |
149 | "beq %[temp2], %[temp4], 4f \n\t" | |
150 | "1: \n\t" | |
151 | "lbu %[temp0], -1(%[temp2]) \n\t" | |
152 | "lbu %[temp5], -2(%[temp2]) \n\t" | |
153 | "lbu %[temp6], -3(%[temp2]) \n\t" | |
154 | "sll %[temp0], %[temp0], 1 \n\t" | |
155 | "addu %[temp0], %[mant_cnt], %[temp0] \n\t" | |
156 | "sll %[temp5], %[temp5], 1 \n\t" | |
157 | "addu %[temp5], %[mant_cnt], %[temp5] \n\t" | |
158 | "lhu %[temp1], 0(%[temp0]) \n\t" | |
159 | "sll %[temp6], %[temp6], 1 \n\t" | |
160 | "addu %[temp6], %[mant_cnt], %[temp6] \n\t" | |
161 | "addiu %[temp1], %[temp1], 1 \n\t" | |
162 | "sh %[temp1], 0(%[temp0]) \n\t" | |
163 | "lhu %[temp1], 0(%[temp5]) \n\t" | |
164 | "lbu %[temp7], -4(%[temp2]) \n\t" | |
165 | "addiu %[temp2], %[temp2], -4 \n\t" | |
166 | "addiu %[temp1], %[temp1], 1 \n\t" | |
167 | "sh %[temp1], 0(%[temp5]) \n\t" | |
168 | "lhu %[temp1], 0(%[temp6]) \n\t" | |
169 | "sll %[temp7], %[temp7], 1 \n\t" | |
170 | "addu %[temp7], %[mant_cnt], %[temp7] \n\t" | |
171 | "addiu %[temp1], %[temp1],1 \n\t" | |
172 | "sh %[temp1], 0(%[temp6]) \n\t" | |
173 | "lhu %[temp1], 0(%[temp7]) \n\t" | |
174 | "addiu %[temp1], %[temp1], 1 \n\t" | |
175 | "sh %[temp1], 0(%[temp7]) \n\t" | |
176 | "bne %[temp2], %[temp4], 1b \n\t" | |
177 | "4: \n\t" | |
178 | "beqz %[temp3], 2f \n\t" | |
179 | "3: \n\t" | |
180 | "addiu %[temp3], %[temp3], -1 \n\t" | |
181 | "lbu %[temp0], -1(%[temp2]) \n\t" | |
182 | "addiu %[temp2], %[temp2], -1 \n\t" | |
183 | "sll %[temp0], %[temp0], 1 \n\t" | |
184 | "addu %[temp0], %[mant_cnt], %[temp0] \n\t" | |
185 | "lhu %[temp1], 0(%[temp0]) \n\t" | |
186 | "addiu %[temp1], %[temp1], 1 \n\t" | |
187 | "sh %[temp1], 0(%[temp0]) \n\t" | |
188 | "bgtz %[temp3], 3b \n\t" | |
189 | "2: \n\t" | |
190 | ||
191 | : [temp0] "=&r" (temp0), [temp1] "=&r" (temp1), | |
192 | [temp2] "=&r" (temp2), [temp3] "=&r" (temp3), | |
193 | [temp4] "=&r" (temp4), [temp5] "=&r" (temp5), | |
194 | [temp6] "=&r" (temp6), [temp7] "=&r" (temp7) | |
195 | : [len] "r" (len), [bap] "r" (bap), | |
196 | [mant_cnt] "r" (mant_cnt) | |
197 | : "memory" | |
198 | ); | |
199 | } | |
200 | #endif | |
201 | ||
202 | #if HAVE_MIPSFPU && HAVE_MIPS32R2 | |
203 | static void float_to_fixed24_mips(int32_t *dst, const float *src, unsigned int len) | |
204 | { | |
205 | const float scale = 1 << 24; | |
206 | float src0, src1, src2, src3, src4, src5, src6, src7; | |
207 | int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7; | |
208 | ||
209 | do { | |
210 | __asm__ volatile ( | |
211 | "lwc1 %[src0], 0(%[src]) \n\t" | |
212 | "lwc1 %[src1], 4(%[src]) \n\t" | |
213 | "lwc1 %[src2], 8(%[src]) \n\t" | |
214 | "lwc1 %[src3], 12(%[src]) \n\t" | |
215 | "lwc1 %[src4], 16(%[src]) \n\t" | |
216 | "lwc1 %[src5], 20(%[src]) \n\t" | |
217 | "lwc1 %[src6], 24(%[src]) \n\t" | |
218 | "lwc1 %[src7], 28(%[src]) \n\t" | |
219 | "mul.s %[src0], %[src0], %[scale] \n\t" | |
220 | "mul.s %[src1], %[src1], %[scale] \n\t" | |
221 | "mul.s %[src2], %[src2], %[scale] \n\t" | |
222 | "mul.s %[src3], %[src3], %[scale] \n\t" | |
223 | "mul.s %[src4], %[src4], %[scale] \n\t" | |
224 | "mul.s %[src5], %[src5], %[scale] \n\t" | |
225 | "mul.s %[src6], %[src6], %[scale] \n\t" | |
226 | "mul.s %[src7], %[src7], %[scale] \n\t" | |
227 | "cvt.w.s %[src0], %[src0] \n\t" | |
228 | "cvt.w.s %[src1], %[src1] \n\t" | |
229 | "cvt.w.s %[src2], %[src2] \n\t" | |
230 | "cvt.w.s %[src3], %[src3] \n\t" | |
231 | "cvt.w.s %[src4], %[src4] \n\t" | |
232 | "cvt.w.s %[src5], %[src5] \n\t" | |
233 | "cvt.w.s %[src6], %[src6] \n\t" | |
234 | "cvt.w.s %[src7], %[src7] \n\t" | |
235 | "mfc1 %[temp0], %[src0] \n\t" | |
236 | "mfc1 %[temp1], %[src1] \n\t" | |
237 | "mfc1 %[temp2], %[src2] \n\t" | |
238 | "mfc1 %[temp3], %[src3] \n\t" | |
239 | "mfc1 %[temp4], %[src4] \n\t" | |
240 | "mfc1 %[temp5], %[src5] \n\t" | |
241 | "mfc1 %[temp6], %[src6] \n\t" | |
242 | "mfc1 %[temp7], %[src7] \n\t" | |
243 | "sw %[temp0], 0(%[dst]) \n\t" | |
244 | "sw %[temp1], 4(%[dst]) \n\t" | |
245 | "sw %[temp2], 8(%[dst]) \n\t" | |
246 | "sw %[temp3], 12(%[dst]) \n\t" | |
247 | "sw %[temp4], 16(%[dst]) \n\t" | |
248 | "sw %[temp5], 20(%[dst]) \n\t" | |
249 | "sw %[temp6], 24(%[dst]) \n\t" | |
250 | "sw %[temp7], 28(%[dst]) \n\t" | |
251 | ||
252 | : [dst] "+r" (dst), [src] "+r" (src), | |
253 | [src0] "=&f" (src0), [src1] "=&f" (src1), | |
254 | [src2] "=&f" (src2), [src3] "=&f" (src3), | |
255 | [src4] "=&f" (src4), [src5] "=&f" (src5), | |
256 | [src6] "=&f" (src6), [src7] "=&f" (src7), | |
257 | [temp0] "=r" (temp0), [temp1] "=r" (temp1), | |
258 | [temp2] "=r" (temp2), [temp3] "=r" (temp3), | |
259 | [temp4] "=r" (temp4), [temp5] "=r" (temp5), | |
260 | [temp6] "=r" (temp6), [temp7] "=r" (temp7) | |
261 | : [scale] "f" (scale) | |
262 | : "memory" | |
263 | ); | |
264 | src = src + 8; | |
265 | dst = dst + 8; | |
266 | len -= 8; | |
267 | } while (len > 0); | |
268 | } | |
269 | ||
270 | static void ac3_downmix_mips(float **samples, float (*matrix)[2], | |
271 | int out_ch, int in_ch, int len) | |
272 | { | |
273 | int i, j, i1, i2, i3; | |
274 | float v0, v1, v2, v3; | |
275 | float v4, v5, v6, v7; | |
276 | float samples0, samples1, samples2, samples3, matrix_j, matrix_j2; | |
277 | float *samples_p,*matrix_p, **samples_x, **samples_end, **samples_sw; | |
278 | ||
279 | __asm__ volatile( | |
280 | ".set push \n\t" | |
281 | ".set noreorder \n\t" | |
282 | ||
283 | "li %[i1], 2 \n\t" | |
284 | "sll %[len], 2 \n\t" | |
285 | "move %[i], $zero \n\t" | |
286 | "sll %[j], %[in_ch], 2 \n\t" | |
287 | ||
288 | "bne %[out_ch], %[i1], 3f \n\t" // if (out_ch == 2) | |
289 | " li %[i2], 1 \n\t" | |
290 | ||
291 | "2: \n\t" // start of the for loop (for (i = 0; i < len; i+=4)) | |
292 | "move %[matrix_p], %[matrix] \n\t" | |
293 | "move %[samples_x], %[samples] \n\t" | |
294 | "mtc1 $zero, %[v0] \n\t" | |
295 | "mtc1 $zero, %[v1] \n\t" | |
296 | "mtc1 $zero, %[v2] \n\t" | |
297 | "mtc1 $zero, %[v3] \n\t" | |
298 | "mtc1 $zero, %[v4] \n\t" | |
299 | "mtc1 $zero, %[v5] \n\t" | |
300 | "mtc1 $zero, %[v6] \n\t" | |
301 | "mtc1 $zero, %[v7] \n\t" | |
302 | "addiu %[i1], %[i], 4 \n\t" | |
303 | "addiu %[i2], %[i], 8 \n\t" | |
304 | "lw %[samples_p], 0(%[samples_x]) \n\t" | |
305 | "addiu %[i3], %[i], 12 \n\t" | |
306 | "addu %[samples_end], %[samples_x], %[j] \n\t" | |
307 | "move %[samples_sw], %[samples_p] \n\t" | |
308 | ||
309 | "1: \n\t" // start of the inner for loop (for (j = 0; j < in_ch; j++)) | |
310 | "lwc1 %[matrix_j], 0(%[matrix_p]) \n\t" | |
311 | "lwc1 %[matrix_j2], 4(%[matrix_p]) \n\t" | |
312 | "lwxc1 %[samples0], %[i](%[samples_p]) \n\t" | |
313 | "lwxc1 %[samples1], %[i1](%[samples_p]) \n\t" | |
314 | "lwxc1 %[samples2], %[i2](%[samples_p]) \n\t" | |
315 | "lwxc1 %[samples3], %[i3](%[samples_p]) \n\t" | |
316 | "addiu %[matrix_p], 8 \n\t" | |
317 | "addiu %[samples_x], 4 \n\t" | |
318 | "madd.s %[v0], %[v0], %[samples0], %[matrix_j] \n\t" | |
319 | "madd.s %[v1], %[v1], %[samples1], %[matrix_j] \n\t" | |
320 | "madd.s %[v2], %[v2], %[samples2], %[matrix_j] \n\t" | |
321 | "madd.s %[v3], %[v3], %[samples3], %[matrix_j] \n\t" | |
322 | "madd.s %[v4], %[v4], %[samples0], %[matrix_j2]\n\t" | |
323 | "madd.s %[v5], %[v5], %[samples1], %[matrix_j2]\n\t" | |
324 | "madd.s %[v6], %[v6], %[samples2], %[matrix_j2]\n\t" | |
325 | "madd.s %[v7], %[v7], %[samples3], %[matrix_j2]\n\t" | |
326 | "bne %[samples_x], %[samples_end], 1b \n\t" | |
327 | " lw %[samples_p], 0(%[samples_x]) \n\t" | |
328 | ||
329 | "lw %[samples_p], 4(%[samples]) \n\t" | |
330 | "swxc1 %[v0], %[i](%[samples_sw]) \n\t" | |
331 | "swxc1 %[v1], %[i1](%[samples_sw]) \n\t" | |
332 | "swxc1 %[v2], %[i2](%[samples_sw]) \n\t" | |
333 | "swxc1 %[v3], %[i3](%[samples_sw]) \n\t" | |
334 | "swxc1 %[v4], %[i](%[samples_p]) \n\t" | |
335 | "addiu %[i], 16 \n\t" | |
336 | "swxc1 %[v5], %[i1](%[samples_p]) \n\t" | |
337 | "swxc1 %[v6], %[i2](%[samples_p]) \n\t" | |
338 | "bne %[i], %[len], 2b \n\t" | |
339 | " swxc1 %[v7], %[i3](%[samples_p]) \n\t" | |
340 | ||
341 | "3: \n\t" | |
342 | "bne %[out_ch], %[i2], 6f \n\t" // if (out_ch == 1) | |
343 | " nop \n\t" | |
344 | ||
345 | "5: \n\t" // start of the outer for loop (for (i = 0; i < len; i+=4)) | |
346 | "move %[matrix_p], %[matrix] \n\t" | |
347 | "move %[samples_x], %[samples] \n\t" | |
348 | "mtc1 $zero, %[v0] \n\t" | |
349 | "mtc1 $zero, %[v1] \n\t" | |
350 | "mtc1 $zero, %[v2] \n\t" | |
351 | "mtc1 $zero, %[v3] \n\t" | |
352 | "addiu %[i1], %[i], 4 \n\t" | |
353 | "addiu %[i2], %[i], 8 \n\t" | |
354 | "lw %[samples_p], 0(%[samples_x]) \n\t" | |
355 | "addiu %[i3], %[i], 12 \n\t" | |
356 | "addu %[samples_end], %[samples_x], %[j] \n\t" | |
357 | "move %[samples_sw], %[samples_p] \n\t" | |
358 | ||
359 | "4: \n\t" // start of the inner for loop (for (j = 0; j < in_ch; j++)) | |
360 | "lwc1 %[matrix_j], 0(%[matrix_p]) \n\t" | |
361 | "lwxc1 %[samples0], %[i](%[samples_p]) \n\t" | |
362 | "lwxc1 %[samples1], %[i1](%[samples_p]) \n\t" | |
363 | "lwxc1 %[samples2], %[i2](%[samples_p]) \n\t" | |
364 | "lwxc1 %[samples3], %[i3](%[samples_p]) \n\t" | |
365 | "addiu %[matrix_p], 8 \n\t" | |
366 | "addiu %[samples_x], 4 \n\t" | |
367 | "madd.s %[v0], %[v0], %[samples0], %[matrix_j] \n\t" | |
368 | "madd.s %[v1], %[v1], %[samples1], %[matrix_j] \n\t" | |
369 | "madd.s %[v2], %[v2], %[samples2], %[matrix_j] \n\t" | |
370 | "madd.s %[v3], %[v3], %[samples3], %[matrix_j] \n\t" | |
371 | "bne %[samples_x], %[samples_end], 4b \n\t" | |
372 | " lw %[samples_p], 0(%[samples_x]) \n\t" | |
373 | ||
374 | "swxc1 %[v0], %[i](%[samples_sw]) \n\t" | |
375 | "addiu %[i], 16 \n\t" | |
376 | "swxc1 %[v1], %[i1](%[samples_sw]) \n\t" | |
377 | "swxc1 %[v2], %[i2](%[samples_sw]) \n\t" | |
378 | "bne %[i], %[len], 5b \n\t" | |
379 | " swxc1 %[v3], %[i3](%[samples_sw]) \n\t" | |
380 | "6: \n\t" | |
381 | ||
382 | ".set pop" | |
383 | :[samples_p]"=&r"(samples_p), [matrix_j]"=&f"(matrix_j), [matrix_j2]"=&f"(matrix_j2), | |
384 | [samples0]"=&f"(samples0), [samples1]"=&f"(samples1), | |
385 | [samples2]"=&f"(samples2), [samples3]"=&f"(samples3), | |
386 | [v0]"=&f"(v0), [v1]"=&f"(v1), [v2]"=&f"(v2), [v3]"=&f"(v3), | |
387 | [v4]"=&f"(v4), [v5]"=&f"(v5), [v6]"=&f"(v6), [v7]"=&f"(v7), | |
388 | [samples_x]"=&r"(samples_x), [matrix_p]"=&r"(matrix_p), | |
389 | [samples_end]"=&r"(samples_end), [samples_sw]"=&r"(samples_sw), | |
390 | [i1]"=&r"(i1), [i2]"=&r"(i2), [i3]"=&r"(i3), [i]"=&r"(i), | |
391 | [j]"=&r"(j), [len]"+r"(len) | |
392 | :[samples]"r"(samples), [matrix]"r"(matrix), | |
393 | [in_ch]"r"(in_ch), [out_ch]"r"(out_ch) | |
394 | :"memory" | |
395 | ); | |
396 | } | |
397 | #endif | |
398 | #endif /* HAVE_INLINE_ASM */ | |
399 | ||
400 | void ff_ac3dsp_init_mips(AC3DSPContext *c, int bit_exact) { | |
401 | #if HAVE_INLINE_ASM | |
402 | #if HAVE_MIPSDSPR1 | |
403 | c->bit_alloc_calc_bap = ac3_bit_alloc_calc_bap_mips; | |
404 | c->update_bap_counts = ac3_update_bap_counts_mips; | |
405 | #endif | |
406 | #if HAVE_MIPSFPU && HAVE_MIPS32R2 | |
407 | c->float_to_fixed24 = float_to_fixed24_mips; | |
408 | c->downmix = ac3_downmix_mips; | |
409 | #endif | |
410 | #endif | |
411 | ||
412 | } |