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author | Sean Bartell <wingedtachikoma@gmail.com> | 2011-06-25 21:32:25 -0400 |
---|---|---|
committer | Nils Wallménius <nils@rockbox.org> | 2012-04-25 22:13:20 +0200 |
commit | f40bfc9267b13b54e6379dfe7539447662879d24 (patch) | |
tree | 9b20069d5e62809ff434061ad730096836f916f2 /lib/rbcodec/codecs/libfaad/sbr_dec.c | |
parent | a0009907de7a0107d49040d8a180f140e2eff299 (diff) | |
download | rockbox-f40bfc9267b13b54e6379dfe7539447662879d24.tar.gz rockbox-f40bfc9267b13b54e6379dfe7539447662879d24.zip |
Add codecs to librbcodec.
Change-Id: Id7f4717d51ed02d67cb9f9cb3c0ada4a81843f97
Reviewed-on: http://gerrit.rockbox.org/137
Reviewed-by: Nils Wallménius <nils@rockbox.org>
Tested-by: Nils Wallménius <nils@rockbox.org>
Diffstat (limited to 'lib/rbcodec/codecs/libfaad/sbr_dec.c')
-rw-r--r-- | lib/rbcodec/codecs/libfaad/sbr_dec.c | 597 |
1 files changed, 597 insertions, 0 deletions
diff --git a/lib/rbcodec/codecs/libfaad/sbr_dec.c b/lib/rbcodec/codecs/libfaad/sbr_dec.c new file mode 100644 index 0000000000..21e8e028a1 --- /dev/null +++ b/lib/rbcodec/codecs/libfaad/sbr_dec.c | |||
@@ -0,0 +1,597 @@ | |||
1 | /* | ||
2 | ** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding | ||
3 | ** Copyright (C) 2003-2004 M. Bakker, Ahead Software AG, http://www.nero.com | ||
4 | ** | ||
5 | ** This program is free software; you can redistribute it and/or modify | ||
6 | ** it under the terms of the GNU General Public License as published by | ||
7 | ** the Free Software Foundation; either version 2 of the License, or | ||
8 | ** (at your option) any later version. | ||
9 | ** | ||
10 | ** This program is distributed in the hope that it will be useful, | ||
11 | ** but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
13 | ** GNU General Public License for more details. | ||
14 | ** | ||
15 | ** You should have received a copy of the GNU General Public License | ||
16 | ** along with this program; if not, write to the Free Software | ||
17 | ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | ||
18 | ** | ||
19 | ** Any non-GPL usage of this software or parts of this software is strictly | ||
20 | ** forbidden. | ||
21 | ** | ||
22 | ** Commercial non-GPL licensing of this software is possible. | ||
23 | ** For more info contact Ahead Software through Mpeg4AAClicense@nero.com. | ||
24 | ** | ||
25 | ** $Id$ | ||
26 | **/ | ||
27 | |||
28 | |||
29 | #include "common.h" | ||
30 | #include "structs.h" | ||
31 | |||
32 | #ifdef SBR_DEC | ||
33 | |||
34 | #include <string.h> | ||
35 | #include <stdlib.h> | ||
36 | |||
37 | #include "syntax.h" | ||
38 | #include "bits.h" | ||
39 | #include "sbr_syntax.h" | ||
40 | #include "sbr_qmf.h" | ||
41 | #include "sbr_hfgen.h" | ||
42 | #include "sbr_hfadj.h" | ||
43 | |||
44 | /* type definitons */ | ||
45 | typedef struct { | ||
46 | #if (defined(PS_DEC) || defined(DRM_PS)) | ||
47 | /* In case of PS_DEC or DRM_PS we need larger buffer data when calling | ||
48 | * ps_decode() or drm_ps_decode(). */ | ||
49 | qmf_t X_L[MAX_NTSRPS][64]; | ||
50 | qmf_t X_R[MAX_NTSRPS][64]; | ||
51 | #else | ||
52 | /* No PS functions called. Keep using MAX_NTSR as array size. */ | ||
53 | qmf_t X_L[MAX_NTSR][64]; | ||
54 | qmf_t X_R[MAX_NTSR][64]; | ||
55 | #endif | ||
56 | } XLR_t; | ||
57 | |||
58 | /* static variables */ | ||
59 | static XLR_t *p_XLR = NULL; | ||
60 | #if defined(FAAD_STATIC_ALLOC) || defined(HAVE_FAAD_XLR_IN_IRAM) | ||
61 | static XLR_t s_XLR IBSS_ATTR_FAAD_XLR MEM_ALIGN_ATTR; | ||
62 | #endif | ||
63 | #if defined(FAAD_STATIC_ALLOC) | ||
64 | static sbr_info s_sbr[MAX_SYNTAX_ELEMENTS]; | ||
65 | #endif | ||
66 | #ifdef SBR_LOW_POWER | ||
67 | static real_t deg[64] MEM_ALIGN_ATTR; | ||
68 | #endif | ||
69 | |||
70 | /* static function declarations */ | ||
71 | static uint8_t sbr_save_prev_data(sbr_info *sbr, uint8_t ch); | ||
72 | static void sbr_save_matrix(sbr_info *sbr, uint8_t ch); | ||
73 | |||
74 | |||
75 | sbr_info *sbrDecodeInit(uint16_t framelength, uint8_t id_aac, uint8_t id_ele, | ||
76 | uint32_t sample_rate, uint8_t downSampledSBR, | ||
77 | uint8_t IsDRM) | ||
78 | { | ||
79 | (void)downSampledSBR; | ||
80 | #ifndef DRM | ||
81 | (void)IsDRM; | ||
82 | #endif | ||
83 | |||
84 | /* Allocate sbr_info. */ | ||
85 | #if defined(FAAD_STATIC_ALLOC) | ||
86 | sbr_info *sbr = &s_sbr[id_ele]; | ||
87 | #else | ||
88 | (void)id_ele; | ||
89 | sbr_info *sbr = (sbr_info*)faad_malloc(sizeof(sbr_info)); | ||
90 | if (sbr == NULL) | ||
91 | { | ||
92 | /* could not allocate memory */ | ||
93 | return NULL; | ||
94 | } | ||
95 | #endif | ||
96 | memset(sbr, 0, sizeof(sbr_info)); | ||
97 | |||
98 | #ifdef PS_DEC | ||
99 | /* initialize PS variables */ | ||
100 | ps_init(&sbr->ps); | ||
101 | #endif | ||
102 | |||
103 | /* Allocate XLR temporary variable. Use static allocation if either | ||
104 | * FAAD_STATIC_ALLOC is set or XLR fits to IRAM. */ | ||
105 | #if defined(FAAD_STATIC_ALLOC) || defined(HAVE_FAAD_XLR_IN_IRAM) | ||
106 | p_XLR = &s_XLR; | ||
107 | #else | ||
108 | p_XLR = (XLR_t*)faad_malloc(sizeof(XLR_t)); | ||
109 | if (p_XLR == NULL) | ||
110 | { | ||
111 | /* could not allocate memory */ | ||
112 | return NULL; | ||
113 | } | ||
114 | #endif | ||
115 | memset(p_XLR, 0, sizeof(XLR_t)); | ||
116 | |||
117 | /* save id of the parent element */ | ||
118 | sbr->id_aac = id_aac; | ||
119 | sbr->sample_rate = sample_rate; | ||
120 | |||
121 | sbr->bs_freq_scale = 2; | ||
122 | sbr->bs_alter_scale = 1; | ||
123 | sbr->bs_noise_bands = 2; | ||
124 | sbr->bs_limiter_bands = 2; | ||
125 | sbr->bs_limiter_gains = 2; | ||
126 | sbr->bs_interpol_freq = 1; | ||
127 | sbr->bs_smoothing_mode = 1; | ||
128 | sbr->bs_start_freq = 5; | ||
129 | sbr->bs_amp_res = 1; | ||
130 | sbr->bs_samplerate_mode = 1; | ||
131 | sbr->prevEnvIsShort[0] = -1; | ||
132 | sbr->prevEnvIsShort[1] = -1; | ||
133 | sbr->header_count = 0; | ||
134 | sbr->Reset = 1; | ||
135 | |||
136 | #ifdef DRM | ||
137 | sbr->Is_DRM_SBR = IsDRM; | ||
138 | #endif | ||
139 | sbr->tHFGen = T_HFGEN; | ||
140 | sbr->tHFAdj = T_HFADJ; | ||
141 | |||
142 | sbr->bsco = 0; | ||
143 | sbr->bsco_prev = 0; | ||
144 | sbr->M_prev = 0; | ||
145 | sbr->frame_len = framelength; | ||
146 | |||
147 | /* force sbr reset */ | ||
148 | sbr->bs_start_freq_prev = -1; | ||
149 | |||
150 | if (framelength == 960) | ||
151 | { | ||
152 | sbr->numTimeSlotsRate = RATE * NO_TIME_SLOTS_960; | ||
153 | sbr->numTimeSlots = NO_TIME_SLOTS_960; | ||
154 | } else { | ||
155 | sbr->numTimeSlotsRate = RATE * NO_TIME_SLOTS; | ||
156 | sbr->numTimeSlots = NO_TIME_SLOTS; | ||
157 | } | ||
158 | |||
159 | sbr->GQ_ringbuf_index[0] = 0; | ||
160 | sbr->GQ_ringbuf_index[1] = 0; | ||
161 | |||
162 | memset(sbr->qmfa, 0, 2*sizeof(qmfa_info)); | ||
163 | memset(sbr->qmfs, 0, 2*sizeof(qmfs_info)); | ||
164 | |||
165 | memset(sbr->Xsbr[0], 0, (sbr->numTimeSlotsRate+sbr->tHFGen)*64 * sizeof(qmf_t)); | ||
166 | memset(sbr->Xsbr[1], 0, (sbr->numTimeSlotsRate+sbr->tHFGen)*64 * sizeof(qmf_t)); | ||
167 | |||
168 | return sbr; | ||
169 | } | ||
170 | |||
171 | static uint8_t sbr_save_prev_data(sbr_info *sbr, uint8_t ch) | ||
172 | { | ||
173 | uint8_t i; | ||
174 | |||
175 | /* save data for next frame */ | ||
176 | sbr->kx_prev = sbr->kx; | ||
177 | sbr->M_prev = sbr->M; | ||
178 | sbr->bsco_prev = sbr->bsco; | ||
179 | |||
180 | sbr->L_E_prev[ch] = sbr->L_E[ch]; | ||
181 | |||
182 | /* sbr->L_E[ch] can become 0 on files with bit errors */ | ||
183 | if (sbr->L_E[ch] <= 0) | ||
184 | return 19; | ||
185 | |||
186 | sbr->f_prev[ch] = sbr->f[ch][sbr->L_E[ch] - 1]; | ||
187 | for (i = 0; i < MAX_M; i++) | ||
188 | { | ||
189 | sbr->E_prev[ch][i] = sbr->E[ch][i][sbr->L_E[ch] - 1]; | ||
190 | sbr->Q_prev[ch][i] = sbr->Q[ch][i][sbr->L_Q[ch] - 1]; | ||
191 | } | ||
192 | |||
193 | for (i = 0; i < MAX_M; i++) | ||
194 | { | ||
195 | sbr->bs_add_harmonic_prev[ch][i] = sbr->bs_add_harmonic[ch][i]; | ||
196 | } | ||
197 | sbr->bs_add_harmonic_flag_prev[ch] = sbr->bs_add_harmonic_flag[ch]; | ||
198 | |||
199 | if (sbr->l_A[ch] == sbr->L_E[ch]) | ||
200 | sbr->prevEnvIsShort[ch] = 0; | ||
201 | else | ||
202 | sbr->prevEnvIsShort[ch] = -1; | ||
203 | |||
204 | return 0; | ||
205 | } | ||
206 | |||
207 | static void sbr_save_matrix(sbr_info *sbr, uint8_t ch) | ||
208 | { | ||
209 | uint8_t i; | ||
210 | |||
211 | for (i = 0; i < sbr->tHFGen; i++) | ||
212 | { | ||
213 | memmove(sbr->Xsbr[ch][i], sbr->Xsbr[ch][i+sbr->numTimeSlotsRate], 64 * sizeof(qmf_t)); | ||
214 | } | ||
215 | for (i = sbr->tHFGen; i < MAX_NTSRHFG; i++) | ||
216 | { | ||
217 | memset(sbr->Xsbr[ch][i], 0, 64 * sizeof(qmf_t)); | ||
218 | } | ||
219 | } | ||
220 | |||
221 | static void sbr_process_channel(sbr_info *sbr, real_t *channel_buf, qmf_t X[MAX_NTSR][64], | ||
222 | uint8_t ch, uint8_t dont_process, | ||
223 | const uint8_t downSampledSBR) | ||
224 | { | ||
225 | int16_t k, l; | ||
226 | |||
227 | (void)downSampledSBR; | ||
228 | #ifdef DRM | ||
229 | if (sbr->Is_DRM_SBR) | ||
230 | { | ||
231 | sbr->bsco = max((int32_t)sbr->maxAACLine*32/(int32_t)sbr->frame_len - (int32_t)sbr->kx, 0); | ||
232 | } else { | ||
233 | #endif | ||
234 | sbr->bsco = 0; | ||
235 | #ifdef DRM | ||
236 | } | ||
237 | #endif | ||
238 | |||
239 | |||
240 | //#define PRE_QMF_PRINT | ||
241 | #ifdef PRE_QMF_PRINT | ||
242 | { | ||
243 | int i; | ||
244 | for (i = 0; i < 1024; i++) | ||
245 | { | ||
246 | printf("%d\n", channel_buf[i]); | ||
247 | } | ||
248 | } | ||
249 | #endif | ||
250 | |||
251 | |||
252 | /* subband analysis */ | ||
253 | if (dont_process) | ||
254 | sbr_qmf_analysis_32(sbr, &sbr->qmfa[ch], channel_buf, sbr->Xsbr[ch], sbr->tHFGen, 32); | ||
255 | else | ||
256 | sbr_qmf_analysis_32(sbr, &sbr->qmfa[ch], channel_buf, sbr->Xsbr[ch], sbr->tHFGen, sbr->kx); | ||
257 | |||
258 | if (!dont_process) | ||
259 | { | ||
260 | #if 1 | ||
261 | /* insert high frequencies here */ | ||
262 | /* hf generation using patching */ | ||
263 | hf_generation(sbr, sbr->Xsbr[ch], sbr->Xsbr[ch] | ||
264 | #ifdef SBR_LOW_POWER | ||
265 | ,deg | ||
266 | #endif | ||
267 | ,ch); | ||
268 | #endif | ||
269 | |||
270 | #ifdef SBR_LOW_POWER | ||
271 | for (l = sbr->t_E[ch][0]; l < sbr->t_E[ch][sbr->L_E[ch]]; l++) | ||
272 | { | ||
273 | for (k = 0; k < sbr->kx; k++) | ||
274 | { | ||
275 | QMF_RE(sbr->Xsbr[ch][sbr->tHFAdj + l][k]) = 0; | ||
276 | } | ||
277 | } | ||
278 | #endif | ||
279 | |||
280 | #if 1 | ||
281 | /* hf adjustment */ | ||
282 | hf_adjustment(sbr, sbr->Xsbr[ch] | ||
283 | #ifdef SBR_LOW_POWER | ||
284 | ,deg | ||
285 | #endif | ||
286 | ,ch); | ||
287 | #endif | ||
288 | } | ||
289 | |||
290 | if ((sbr->just_seeked != 0) || dont_process) | ||
291 | { | ||
292 | for (l = 0; l < sbr->numTimeSlotsRate; l++) | ||
293 | { | ||
294 | for (k = 0; k < 32; k++) | ||
295 | { | ||
296 | QMF_RE(X[l][k]) = QMF_RE(sbr->Xsbr[ch][l + sbr->tHFAdj][k]); | ||
297 | #ifndef SBR_LOW_POWER | ||
298 | QMF_IM(X[l][k]) = QMF_IM(sbr->Xsbr[ch][l + sbr->tHFAdj][k]); | ||
299 | #endif | ||
300 | } | ||
301 | for (k = 32; k < 64; k++) | ||
302 | { | ||
303 | QMF_RE(X[l][k]) = 0; | ||
304 | #ifndef SBR_LOW_POWER | ||
305 | QMF_IM(X[l][k]) = 0; | ||
306 | #endif | ||
307 | } | ||
308 | } | ||
309 | } else { | ||
310 | for (l = 0; l < sbr->numTimeSlotsRate; l++) | ||
311 | { | ||
312 | uint8_t kx_band, M_band, bsco_band; | ||
313 | |||
314 | if (l < sbr->t_E[ch][0]) | ||
315 | { | ||
316 | kx_band = sbr->kx_prev; | ||
317 | M_band = sbr->M_prev; | ||
318 | bsco_band = sbr->bsco_prev; | ||
319 | } else { | ||
320 | kx_band = sbr->kx; | ||
321 | M_band = sbr->M; | ||
322 | bsco_band = sbr->bsco; | ||
323 | } | ||
324 | |||
325 | #ifndef SBR_LOW_POWER | ||
326 | for (k = 0; k < kx_band + bsco_band; k++) | ||
327 | { | ||
328 | QMF_RE(X[l][k]) = QMF_RE(sbr->Xsbr[ch][l + sbr->tHFAdj][k]); | ||
329 | QMF_IM(X[l][k]) = QMF_IM(sbr->Xsbr[ch][l + sbr->tHFAdj][k]); | ||
330 | } | ||
331 | for (k = kx_band + bsco_band; k < kx_band + M_band; k++) | ||
332 | { | ||
333 | QMF_RE(X[l][k]) = QMF_RE(sbr->Xsbr[ch][l + sbr->tHFAdj][k]); | ||
334 | QMF_IM(X[l][k]) = QMF_IM(sbr->Xsbr[ch][l + sbr->tHFAdj][k]); | ||
335 | } | ||
336 | for (k = max(kx_band + bsco_band, kx_band + M_band); k < 64; k++) | ||
337 | { | ||
338 | QMF_RE(X[l][k]) = 0; | ||
339 | QMF_IM(X[l][k]) = 0; | ||
340 | } | ||
341 | #else | ||
342 | for (k = 0; k < kx_band + bsco_band; k++) | ||
343 | { | ||
344 | QMF_RE(X[l][k]) = QMF_RE(sbr->Xsbr[ch][l + sbr->tHFAdj][k]); | ||
345 | } | ||
346 | for (k = kx_band + bsco_band; k < min(kx_band + M_band, 63); k++) | ||
347 | { | ||
348 | QMF_RE(X[l][k]) = QMF_RE(sbr->Xsbr[ch][l + sbr->tHFAdj][k]); | ||
349 | } | ||
350 | for (k = max(kx_band + bsco_band, kx_band + M_band); k < 64; k++) | ||
351 | { | ||
352 | QMF_RE(X[l][k]) = 0; | ||
353 | } | ||
354 | QMF_RE(X[l][kx_band - 1 + bsco_band]) += | ||
355 | QMF_RE(sbr->Xsbr[ch][l + sbr->tHFAdj][kx_band - 1 + bsco_band]); | ||
356 | #endif | ||
357 | } | ||
358 | } | ||
359 | } | ||
360 | |||
361 | uint8_t sbrDecodeCoupleFrame(sbr_info *sbr, real_t *left_chan, real_t *right_chan, | ||
362 | const uint8_t just_seeked, const uint8_t downSampledSBR) | ||
363 | { | ||
364 | uint8_t dont_process = 0; | ||
365 | uint8_t ret = 0; | ||
366 | |||
367 | if (sbr == NULL) | ||
368 | return 20; | ||
369 | |||
370 | /* case can occur due to bit errors */ | ||
371 | if (sbr->id_aac != ID_CPE) | ||
372 | return 21; | ||
373 | |||
374 | if (sbr->ret || (sbr->header_count == 0)) | ||
375 | { | ||
376 | /* don't process just upsample */ | ||
377 | dont_process = 1; | ||
378 | |||
379 | /* Re-activate reset for next frame */ | ||
380 | if (sbr->ret && sbr->Reset) | ||
381 | sbr->bs_start_freq_prev = -1; | ||
382 | } | ||
383 | |||
384 | if (just_seeked) | ||
385 | { | ||
386 | sbr->just_seeked = 1; | ||
387 | } else { | ||
388 | sbr->just_seeked = 0; | ||
389 | } | ||
390 | |||
391 | sbr_process_channel(sbr, left_chan, p_XLR->X_L, 0, dont_process, downSampledSBR); | ||
392 | /* subband synthesis */ | ||
393 | if (downSampledSBR) | ||
394 | { | ||
395 | sbr_qmf_synthesis_32(sbr, &sbr->qmfs[0], p_XLR->X_L, left_chan); | ||
396 | } else { | ||
397 | sbr_qmf_synthesis_64(sbr, &sbr->qmfs[0], p_XLR->X_L, left_chan); | ||
398 | } | ||
399 | |||
400 | sbr_process_channel(sbr, right_chan, p_XLR->X_R, 1, dont_process, downSampledSBR); | ||
401 | /* subband synthesis */ | ||
402 | if (downSampledSBR) | ||
403 | { | ||
404 | sbr_qmf_synthesis_32(sbr, &sbr->qmfs[1], p_XLR->X_R, right_chan); | ||
405 | } else { | ||
406 | sbr_qmf_synthesis_64(sbr, &sbr->qmfs[1], p_XLR->X_R, right_chan); | ||
407 | } | ||
408 | |||
409 | if (sbr->bs_header_flag) | ||
410 | sbr->just_seeked = 0; | ||
411 | |||
412 | if (sbr->header_count != 0 && sbr->ret == 0) | ||
413 | { | ||
414 | ret = sbr_save_prev_data(sbr, 0); | ||
415 | if (ret) return ret; | ||
416 | ret = sbr_save_prev_data(sbr, 1); | ||
417 | if (ret) return ret; | ||
418 | } | ||
419 | |||
420 | sbr_save_matrix(sbr, 0); | ||
421 | sbr_save_matrix(sbr, 1); | ||
422 | |||
423 | sbr->frame++; | ||
424 | |||
425 | //#define POST_QMF_PRINT | ||
426 | #ifdef POST_QMF_PRINT | ||
427 | { | ||
428 | int i; | ||
429 | for (i = 0; i < 2048; i++) | ||
430 | { | ||
431 | printf("%d\n", left_chan[i]); | ||
432 | } | ||
433 | for (i = 0; i < 2048; i++) | ||
434 | { | ||
435 | printf("%d\n", right_chan[i]); | ||
436 | } | ||
437 | } | ||
438 | #endif | ||
439 | |||
440 | return 0; | ||
441 | } | ||
442 | |||
443 | uint8_t sbrDecodeSingleFrame(sbr_info *sbr, real_t *channel, | ||
444 | const uint8_t just_seeked, const uint8_t downSampledSBR) | ||
445 | { | ||
446 | uint8_t dont_process = 0; | ||
447 | uint8_t ret = 0; | ||
448 | |||
449 | if (sbr == NULL) | ||
450 | return 20; | ||
451 | |||
452 | /* case can occur due to bit errors */ | ||
453 | if (sbr->id_aac != ID_SCE && sbr->id_aac != ID_LFE) | ||
454 | return 21; | ||
455 | |||
456 | if (sbr->ret || (sbr->header_count == 0)) | ||
457 | { | ||
458 | /* don't process just upsample */ | ||
459 | dont_process = 1; | ||
460 | |||
461 | /* Re-activate reset for next frame */ | ||
462 | if (sbr->ret && sbr->Reset) | ||
463 | sbr->bs_start_freq_prev = -1; | ||
464 | } | ||
465 | |||
466 | if (just_seeked) | ||
467 | { | ||
468 | sbr->just_seeked = 1; | ||
469 | } else { | ||
470 | sbr->just_seeked = 0; | ||
471 | } | ||
472 | |||
473 | sbr_process_channel(sbr, channel, p_XLR->X_L, 0, dont_process, downSampledSBR); | ||
474 | /* subband synthesis */ | ||
475 | if (downSampledSBR) | ||
476 | { | ||
477 | sbr_qmf_synthesis_32(sbr, &sbr->qmfs[0], p_XLR->X_L, channel); | ||
478 | } else { | ||
479 | sbr_qmf_synthesis_64(sbr, &sbr->qmfs[0], p_XLR->X_L, channel); | ||
480 | } | ||
481 | |||
482 | if (sbr->bs_header_flag) | ||
483 | sbr->just_seeked = 0; | ||
484 | |||
485 | if (sbr->header_count != 0 && sbr->ret == 0) | ||
486 | { | ||
487 | ret = sbr_save_prev_data(sbr, 0); | ||
488 | if (ret) return ret; | ||
489 | } | ||
490 | |||
491 | sbr_save_matrix(sbr, 0); | ||
492 | |||
493 | sbr->frame++; | ||
494 | |||
495 | //#define POST_QMF_PRINT | ||
496 | #ifdef POST_QMF_PRINT | ||
497 | { | ||
498 | int i; | ||
499 | for (i = 0; i < 2048; i++) | ||
500 | { | ||
501 | printf("%d\n", channel[i]); | ||
502 | } | ||
503 | } | ||
504 | #endif | ||
505 | |||
506 | return 0; | ||
507 | } | ||
508 | |||
509 | |||
510 | #if (defined(PS_DEC) || defined(DRM_PS)) | ||
511 | uint8_t sbrDecodeSingleFramePS(sbr_info *sbr, real_t *left_channel, real_t *right_channel, | ||
512 | const uint8_t just_seeked, const uint8_t downSampledSBR) | ||
513 | { | ||
514 | uint8_t l, k; | ||
515 | uint8_t dont_process = 0; | ||
516 | uint8_t ret = 0; | ||
517 | |||
518 | memset(p_XLR->X_L, 0, sizeof(*p_XLR->X_L)); | ||
519 | memset(p_XLR->X_R, 0, sizeof(*p_XLR->X_R)); | ||
520 | if (sbr == NULL) | ||
521 | return 20; | ||
522 | |||
523 | /* case can occur due to bit errors */ | ||
524 | if (sbr->id_aac != ID_SCE && sbr->id_aac != ID_LFE) | ||
525 | return 21; | ||
526 | |||
527 | if (sbr->ret || (sbr->header_count == 0)) | ||
528 | { | ||
529 | /* don't process just upsample */ | ||
530 | dont_process = 1; | ||
531 | |||
532 | /* Re-activate reset for next frame */ | ||
533 | if (sbr->ret && sbr->Reset) | ||
534 | sbr->bs_start_freq_prev = -1; | ||
535 | } | ||
536 | |||
537 | if (just_seeked) | ||
538 | { | ||
539 | sbr->just_seeked = 1; | ||
540 | } else { | ||
541 | sbr->just_seeked = 0; | ||
542 | } | ||
543 | |||
544 | sbr_process_channel(sbr, left_channel, p_XLR->X_L, 0, dont_process, downSampledSBR); | ||
545 | |||
546 | /* copy some extra data for PS */ | ||
547 | for (l = 32; l < 38; l++) | ||
548 | { | ||
549 | for (k = 0; k < 5; k++) | ||
550 | { | ||
551 | QMF_RE(p_XLR->X_L[l][k]) = QMF_RE(sbr->Xsbr[0][sbr->tHFAdj+l][k]); | ||
552 | QMF_IM(p_XLR->X_L[l][k]) = QMF_IM(sbr->Xsbr[0][sbr->tHFAdj+l][k]); | ||
553 | } | ||
554 | } | ||
555 | |||
556 | /* perform parametric stereo */ | ||
557 | #ifdef DRM_PS | ||
558 | if (sbr->Is_DRM_SBR) | ||
559 | { | ||
560 | drm_ps_decode(sbr->drm_ps, (sbr->ret > 0), sbr->sample_rate, p_XLR->X_L, p_XLR->X_R); | ||
561 | } else { | ||
562 | #endif | ||
563 | #ifdef PS_DEC | ||
564 | ps_decode(&sbr->ps, p_XLR->X_L, p_XLR->X_R); | ||
565 | #endif | ||
566 | #ifdef DRM_PS | ||
567 | } | ||
568 | #endif | ||
569 | |||
570 | /* subband synthesis */ | ||
571 | if (downSampledSBR) | ||
572 | { | ||
573 | sbr_qmf_synthesis_32(sbr, &sbr->qmfs[0], p_XLR->X_L, left_channel); | ||
574 | sbr_qmf_synthesis_32(sbr, &sbr->qmfs[1], p_XLR->X_R, right_channel); | ||
575 | } else { | ||
576 | sbr_qmf_synthesis_64(sbr, &sbr->qmfs[0], p_XLR->X_L, left_channel); | ||
577 | sbr_qmf_synthesis_64(sbr, &sbr->qmfs[1], p_XLR->X_R, right_channel); | ||
578 | } | ||
579 | |||
580 | if (sbr->bs_header_flag) | ||
581 | sbr->just_seeked = 0; | ||
582 | |||
583 | if (sbr->header_count != 0 && sbr->ret == 0) | ||
584 | { | ||
585 | ret = sbr_save_prev_data(sbr, 0); | ||
586 | if (ret) return ret; | ||
587 | } | ||
588 | |||
589 | sbr_save_matrix(sbr, 0); | ||
590 | |||
591 | sbr->frame++; | ||
592 | |||
593 | return 0; | ||
594 | } | ||
595 | #endif | ||
596 | |||
597 | #endif | ||