Coverage Report

Created: 2026-02-07 06:17

next uncovered line (L), next uncovered region (R), next uncovered branch (B)
/src/libxaac/decoder/ixheaacd_mps_dec.c
Line
Count
Source
1
/******************************************************************************
2
 *                                                                            *
3
 * Copyright (C) 2018 The Android Open Source Project
4
 *
5
 * Licensed under the Apache License, Version 2.0 (the "License");
6
 * you may not use this file except in compliance with the License.
7
 * You may obtain a copy of the License at:
8
 *
9
 * http://www.apache.org/licenses/LICENSE-2.0
10
 *
11
 * Unless required by applicable law or agreed to in writing, software
12
 * distributed under the License is distributed on an "AS IS" BASIS,
13
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14
 * See the License for the specific language governing permissions and
15
 * limitations under the License.
16
 *
17
 *****************************************************************************
18
 * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
19
*/
20
#include <math.h>
21
#include <string.h>
22
#include "ixheaac_type_def.h"
23
#include "ixheaac_constants.h"
24
#include "ixheaac_basic_ops32.h"
25
#include "ixheaac_basic_ops40.h"
26
#include "ixheaacd_bitbuffer.h"
27
#include "ixheaacd_defines.h"
28
#include "ixheaac_sbr_const.h"
29
#include "ixheaacd_memory_standards.h"
30
#include "ixheaacd_sbrdecsettings.h"
31
#include "ixheaacd_env_extr_part.h"
32
#include "ixheaacd_aac_rom.h"
33
#include "ixheaacd_common_rom.h"
34
#include "ixheaacd_sbr_rom.h"
35
#include "ixheaacd_pulsedata.h"
36
#include "ixheaacd_pns.h"
37
#include "ixheaacd_sbr_common.h"
38
#include "ixheaacd_drc_data_struct.h"
39
#include "ixheaacd_cnst.h"
40
#include "ixheaacd_ec_defines.h"
41
#include "ixheaacd_ec_struct_def.h"
42
#include "ixheaacd_error_codes.h"
43
#include "ixheaacd_channelinfo.h"
44
#include "ixheaacd_sbrdecoder.h"
45
#include "ixheaacd_audioobjtypes.h"
46
#include "ixheaacd_latmdemux.h"
47
#include "ixheaacd_aacdec.h"
48
#include "ixheaacd_hybrid.h"
49
#include "ixheaacd_sbr_scale.h"
50
#include "ixheaacd_ps_dec.h"
51
#include "ixheaacd_lpp_tran.h"
52
#include "ixheaacd_env_extr.h"
53
#include "ixheaacd_qmf_dec.h"
54
#include "ixheaacd_env_calc.h"
55
#include "ixheaacd_pvc_dec.h"
56
#include "ixheaacd_sbr_dec.h"
57
#include "ixheaacd_mps_polyphase.h"
58
#include "ixheaacd_config.h"
59
#include "ixheaacd_mps_macro_def.h"
60
#include "ixheaacd_mps_struct_def.h"
61
#include "ixheaacd_mps_res_rom.h"
62
#include "ixheaacd_mps_aac_struct.h"
63
#include "ixheaacd_mps_dec.h"
64
#include "ixheaacd_mps_interface.h"
65
#include "ixheaacd_struct_def.h"
66
#include "ixheaacd_mps_process.h"
67
#include "ixheaacd_mps_bitdec.h"
68
#include "ixheaacd_mps_smoothing.h"
69
#include "ixheaacd_mps_tp_process.h"
70
#include "ixheaacd_mps_reshape_bb_env.h"
71
#include "ixheaacd_mps_blind.h"
72
#include "ixheaacd_mps_m1m2.h"
73
#include "ixheaacd_mps_basic_op.h"
74
#include "ixheaacd_mps_decor.h"
75
#include "ixheaacd_mps_hybfilter.h"
76
#include "ixheaacd_mps_nlc_dec.h"
77
#include "ixheaacd_mps_huff_tab.h"
78
79
extern const ia_huff_pt0_nodes_struct ixheaacd_huff_part0_nodes;
80
extern const ia_huff_ipd_nodes_struct ixheaacd_huff_ipd_nodes;
81
extern const ia_huff_lav_nodes_struct ixheaacd_huff_lav_idx_nodes;
82
extern const ia_huff_pt0_nodes_struct ixheaacd_huff_pilot_nodes;
83
extern const ia_huff_cld_nodes_struct ixheaacd_huff_cld_nodes;
84
extern const ia_huff_icc_nodes_struct ixheaacd_huff_icc_nodes;
85
extern const ia_huff_cpc_nodes_struct ixheaacd_huff_cpc_nodes;
86
extern const ia_huff_res_nodes_struct ixheaacd_huff_reshape_nodes;
87
88
WORD32 ixheaacd_mps_create(ia_mps_dec_state_struct* self, WORD32 bs_frame_len,
89
                           WORD32 residual_coding,
90
2.67k
                           ia_usac_dec_mps_config_struct* mps212_config) {
91
2.67k
  WORD32 num_ch;
92
2.67k
  WORD32 err_code = 0;
93
94
2.67k
  ia_mps_bs_frame bs_frame;
95
96
2.67k
  self->num_parameter_sets = 1;
97
2.67k
  self->qmf_band_count = 64;
98
99
2.67k
  self->res_ch_count = 0;
100
101
2.67k
  if (mps212_config) {
102
2.67k
    self->config = mps212_config;
103
2.67k
    self->frame_length = bs_frame_len;
104
2.67k
    self->in_ch_count = 1;
105
2.67k
    self->out_ch_count = 2;
106
2.67k
    self->residual_coding = residual_coding;
107
2.67k
    if (self->residual_coding) {
108
1.06k
      self->bs_residual_present = 1;
109
1.06k
      self->bs_residual_bands = mps212_config->bs_residual_bands;
110
1.06k
      if (self->config->bs_phase_coding) {
111
622
        self->config->bs_phase_coding = 2;
112
622
      }
113
1.06k
    }
114
2.67k
  }
115
116
2.67k
  err_code = ixheaacd_mps_header_decode(self);
117
118
2.67k
  if (err_code != IA_NO_ERROR) {
119
8
    self->mps_init_done = 0;
120
8
    return err_code;
121
8
  }
122
123
2.66k
  if ((self->residual_coding) && (self->res_bands > 0)) self->res_ch_count++;
124
125
2.66k
  ixheaacd_mps_env_init(self);
126
127
2.66k
  self->resolution = self->qmf_band_count;
128
129
7.98k
  for (num_ch = 0; num_ch < self->out_ch_count; num_ch++) {
130
5.32k
    ixheaacd_mps_synt_init(self->qmf_filt_state[num_ch]);
131
5.32k
  }
132
133
2.66k
  ixheaacd_mps_qmf_hybrid_analysis_init(&self->hyb_filt_state[0]);
134
135
2.66k
  if ((self->residual_coding) && (self->res_bands > 0))
136
745
    ixheaacd_mps_qmf_hybrid_analysis_init(&self->hyb_filt_state[1]);
137
138
2.66k
  err_code = ixheaacd_mps_decor_init(&(self->mps_decor), self->hyb_band_count_max,
139
2.66k
                                     self->config->bs_decorr_config,
140
2.66k
                                     self->object_type);
141
142
2.66k
  if (err_code != IA_NO_ERROR) {
143
18
    self->mps_init_done = 0;
144
18
    return err_code;
145
18
  }
146
147
2.64k
  ixheaacd_mps_init_pre_and_post_matrix(self);
148
149
2.64k
  self->parse_nxt_frame = 1;
150
151
2.64k
  bs_frame = self->bs_frame;
152
2.64k
  memset(bs_frame.cld_idx_pre, 0, MAX_PARAMETER_BANDS * sizeof(WORD32));
153
2.64k
  memset(bs_frame.icc_idx_pre, 0, MAX_PARAMETER_BANDS * sizeof(WORD32));
154
2.64k
  memset(bs_frame.cmp_cld_idx_prev, 0, MAX_PARAMETER_BANDS * sizeof(WORD32));
155
2.64k
  memset(bs_frame.cmp_icc_idx_prev, 0, MAX_PARAMETER_BANDS * sizeof(WORD32));
156
157
2.64k
  self->subband_var.init_flag = 0;
158
2.64k
  self->subband_var.update_old_ener = 0;
159
2.64k
  self->subband_var.nrg_dir = 0;
160
2.64k
  memset(self->subband_var.nrg_diff, 0, 2 * sizeof(FLOAT32));
161
162
2.64k
  memset(self->opd_smooth.smooth_l_phase, 0,
163
2.64k
         MAX_PARAMETER_BANDS * sizeof(WORD32));
164
2.64k
  memset(self->opd_smooth.smooth_r_phase, 0,
165
2.64k
         MAX_PARAMETER_BANDS * sizeof(WORD32));
166
2.64k
  self->mps_init_done = 1;
167
168
2.64k
  return 0;
169
2.66k
}
170
171
static const FLOAT32 ixheaacd_tsd_mul_re[] = {
172
    1.0f,  0.707106781186548f,  0.0f, -0.707106781186548f,
173
    -1.0f, -0.707106781186548f, 0.0f, 0.707106781186548f};
174
175
static const FLOAT32 ixheaacd_tsd_mul_im[] = {
176
    0.0f, 0.707106781186548f,  1.0f,  0.707106781186548f,
177
    0.0f, -0.707106781186548f, -1.0f, -0.707106781186548f};
178
179
13.9k
VOID ixheaacd_mps_qmf_hyb_analysis(ia_mps_dec_state_struct* self) {
180
13.9k
  if (self->object_type == AOT_ER_AAC_ELD ||
181
11.7k
      self->object_type == AOT_ER_AAC_LD) {
182
2.17k
    WORD32 k, n;
183
184
45.2k
    for (n = 0; n < self->time_slots; n++) {
185
2.45M
      for (k = 0; k < self->qmf_band_count; k++) {
186
2.41M
        self->hyb_in[0][k][n].re = self->qmf_in[0][n][k].re;
187
2.41M
        self->hyb_in[0][k][n].im = self->qmf_in[0][n][k].im;
188
2.41M
      }
189
43.0k
    }
190
11.7k
  } else {
191
11.7k
      ixheaacd_mps_qmf_hybrid_analysis(&self->hyb_filt_state[0], self->qmf_in[0],
192
11.7k
                                   self->qmf_band_count, self->time_slots,
193
11.7k
                                   self->hyb_in[0]);
194
11.7k
  }
195
196
13.9k
  if ((self->residual_coding) && (self->res_bands > 0)) {
197
7.31k
    ixheaacd_mps_qmf_hybrid_analysis(&self->hyb_filt_state[self->in_ch_count],
198
7.31k
                                     self->qmf_in[1], self->band_count[1],
199
7.31k
                                     self->time_slots, self->hyb_res);
200
7.31k
  }
201
13.9k
}
202
203
78.6k
VOID ixheaacd_mps_qmf_hyb_synthesis(ia_mps_dec_state_struct* self) {
204
78.6k
  WORD32 ch;
205
206
78.6k
  if (self->object_type == AOT_ER_AAC_ELD ||
207
76.4k
      self->object_type == AOT_ER_AAC_LD) {
208
2.17k
    WORD32 k, n;
209
6.51k
    for (ch = 0; ch < self->out_ch_count; ch++) {
210
90.4k
      for (n = 0; n < self->time_slots; n++) {
211
4.90M
        for (k = 0; k < self->qmf_band_count; k++) {
212
4.82M
          self->qmf_out_dir[ch][n][k].re = self->hyb_dir_out[ch][n][k].re;
213
4.82M
          self->qmf_out_dir[ch][n][k].im = self->hyb_dir_out[ch][n][k].im;
214
4.82M
        }
215
86.0k
      }
216
4.34k
    }
217
76.4k
  } else {
218
229k
      for (ch = 0; ch < self->out_ch_count; ch++) {
219
152k
          ixheaacd_mps_qmf_hybrid_synthesis(self->hyb_dir_out[ch],
220
152k
                                      self->qmf_band_count, self->time_slots,
221
152k
                                      self->qmf_out_dir[ch]);
222
152k
      }
223
76.4k
  }
224
78.6k
}
225
226
13.9k
VOID ixheaacd_mps_decor(ia_mps_dec_state_struct* self) {
227
13.9k
  WORD32 k, sb_sample, idx;
228
229
13.9k
  ia_cmplx_flt_struct(*scratch)[MAX_HYBRID_BANDS_MPS];
230
231
13.9k
  ia_cmplx_flt_struct coeff;
232
13.9k
  WORD32 band_start = 7;
233
234
13.9k
  scratch = self->scratch;
235
236
27.9k
  for (k = self->dir_sig_count; k < self->dir_sig_count + self->decor_sig_count;
237
13.9k
       k++) {
238
13.9k
    if (self->bs_tsd_enable) {
239
348k
      for (sb_sample = 0; sb_sample < self->time_slots; sb_sample++) {
240
341k
        if (self->bs_tsd_sep_data[sb_sample]) {
241
1.57M
          for (idx = band_start; idx < self->mps_decor.num_bins; idx++) {
242
1.52M
            scratch[sb_sample][idx].re = self->v[k][sb_sample][idx].re;
243
1.52M
            scratch[sb_sample][idx].im = self->v[k][sb_sample][idx].im;
244
1.52M
            self->v[k][sb_sample][idx].re = 0.0f;
245
1.52M
            self->v[k][sb_sample][idx].im = 0.0f;
246
1.52M
          }
247
53.3k
        }
248
341k
      }
249
7.70k
    }
250
251
13.9k
    ixheaacd_mps_decor_apply(&self->mps_decor, self->v[k], self->w_diff[k],
252
13.9k
                             self->time_slots, NO_RES_BANDS,
253
13.9k
                             self->ldmps_config.ldmps_present_flag);
254
255
13.9k
    if (self->bs_tsd_enable) {
256
348k
      for (sb_sample = 0; sb_sample < self->time_slots; sb_sample++) {
257
341k
        if (self->bs_tsd_sep_data[sb_sample]) {
258
53.3k
          coeff.re = ixheaacd_tsd_mul_re[self->bs_tsd_tr_phase_data[sb_sample]];
259
53.3k
          coeff.im = ixheaacd_tsd_mul_im[self->bs_tsd_tr_phase_data[sb_sample]];
260
261
1.57M
          for (idx = band_start; idx < self->mps_decor.num_bins; idx++) {
262
1.52M
            self->w_diff[k][sb_sample][idx].re +=
263
1.52M
                coeff.re * scratch[sb_sample][idx].re -
264
1.52M
                coeff.im * scratch[sb_sample][idx].im;
265
1.52M
            self->w_diff[k][sb_sample][idx].im +=
266
1.52M
                coeff.im * scratch[sb_sample][idx].re +
267
1.52M
                coeff.re * scratch[sb_sample][idx].im;
268
1.52M
          }
269
53.3k
        }
270
341k
      }
271
7.70k
    }
272
13.9k
  }
273
13.9k
}
274
275
13.9k
VOID ixheaacd_mps_mix_res_decor(ia_mps_dec_state_struct* self) {
276
13.9k
  WORD32 ts, qs, row, indx;
277
278
586k
  for (ts = 0; ts < self->time_slots; ts++) {
279
22.0M
    for (qs = 0; qs < self->hyb_band_count_max; qs++) {
280
21.4M
      indx = self->hyb_band_to_processing_band_table[qs];
281
282
42.9M
      for (row = 0; row < self->dir_sig_count; row++) {
283
21.4M
        self->w_dir[row][ts][qs].re = self->v[row][ts][qs].re;
284
21.4M
        self->w_dir[row][ts][qs].im = self->v[row][ts][qs].im;
285
21.4M
      }
286
287
21.4M
      for (row = self->dir_sig_count;
288
42.9M
           row < (self->dir_sig_count + self->decor_sig_count); row++) {
289
21.4M
        if (indx < self->res_bands) {
290
8.30M
          self->w_dir[row][ts][qs].re = self->hyb_res[qs][ts].re;
291
8.30M
          self->w_dir[row][ts][qs].im = self->hyb_res[qs][ts].im;
292
13.1M
        } else {
293
13.1M
          self->w_dir[row][ts][qs].re = 0.0f;
294
13.1M
          self->w_dir[row][ts][qs].im = 0.0f;
295
13.1M
        }
296
21.4M
      }
297
298
42.9M
      for (row = 0; row < self->dir_sig_count; row++) {
299
21.4M
        self->w_diff[row][ts][qs].re = 0.0f;
300
21.4M
        self->w_diff[row][ts][qs].im = 0.0f;
301
21.4M
      }
302
303
21.4M
      for (row = self->dir_sig_count;
304
42.9M
           row < (self->dir_sig_count + self->decor_sig_count); row++) {
305
21.4M
        if (indx < self->res_bands) {
306
8.30M
          self->w_diff[row][ts][qs].re = 0.0f;
307
8.30M
          self->w_diff[row][ts][qs].im = 0.0f;
308
8.30M
        }
309
21.4M
      }
310
21.4M
    }
311
572k
  }
312
13.9k
}
313
314
26.1k
VOID ixheaacd_mps_mix_res_decor_residual_band(ia_mps_dec_state_struct* self) {
315
26.1k
  WORD32 ts, qs, indx;
316
1.36M
  for (qs = 0; qs < self->hyb_band_count_max; qs++) {
317
1.34M
    indx = self->hyb_band_to_processing_band_table[qs];
318
1.34M
    if (indx >= self->res_bands) {
319
876k
      if (qs < self->hyb_band_count[1]) {
320
15.9M
        for (ts = 0; ts < self->time_slots; ts++) {
321
15.4M
          self->w_dir[1][ts][qs].re = 0.0f;
322
15.4M
          self->w_dir[1][ts][qs].im = 0.0f;
323
15.4M
        }
324
470k
      }
325
876k
    } else {
326
20.6M
      for (ts = 0; ts < self->time_slots; ts++) {
327
20.2M
        self->w_diff[1][ts][qs].re = 0.0f;
328
20.2M
        self->w_diff[1][ts][qs].im = 0.0f;
329
20.2M
      }
330
466k
    }
331
1.34M
  }
332
26.1k
}
333
334
13.9k
VOID ixheaacd_mps_create_w(ia_mps_dec_state_struct* self) {
335
13.9k
  ixheaacd_mps_decor(self);
336
13.9k
  ixheaacd_mps_mix_res_decor(self);
337
13.9k
}
338
339
64.6k
VOID ixheaacd_mps_qmf_hyb_analysis_no_pre_mix(ia_mps_dec_state_struct* self) {
340
64.6k
  ixheaacd_mps_qmf_hybrid_analysis_no_pre_mix(
341
64.6k
      &self->hyb_filt_state[0], self->qmf_in[0], self->band_count[0],
342
64.6k
      self->time_slots, self->w_dir[0]);
343
344
64.6k
  if (self->res_bands) {
345
33.4k
    ixheaacd_mps_qmf_hybrid_analysis_no_pre_mix(
346
33.4k
        &self->hyb_filt_state[1], self->qmf_in[1], self->band_count[1],
347
33.4k
        self->time_slots, self->w_dir[1]);
348
349
33.4k
    if (self->res_bands != 28) {
350
26.1k
      ixheaacd_mps_decor_apply(&self->mps_decor, self->w_dir[0],
351
26.1k
                               self->w_diff[1], self->time_slots,
352
26.1k
                               self->res_bands,
353
26.1k
                               self->ldmps_config.ldmps_present_flag);
354
355
26.1k
      ixheaacd_mps_mix_res_decor_residual_band(self);
356
26.1k
    }
357
33.4k
  } else {
358
31.1k
    ixheaacd_mps_decor_apply(&self->mps_decor, self->w_dir[0], self->w_diff[1],
359
31.1k
                             self->time_slots, NO_RES_BANDS,
360
31.1k
                             self->ldmps_config.ldmps_present_flag);
361
31.1k
  }
362
64.6k
}
363
364
WORD32 ixheaacd_mps_apply(ia_mps_dec_state_struct* self,
365
                          FLOAT32** input_buffer[4],
366
76.5k
                          FLOAT32 (*output_buffer)[4096]) {
367
76.5k
  WORD32 ch, ts, qs;
368
76.5k
  WORD32 time_slots = self->time_slots;
369
76.5k
  WORD32 in_ch_count = self->in_ch_count + self->res_ch_count;
370
76.5k
  WORD32 err = 0;
371
76.5k
  self->hyb_band_count[0] = self->band_count[0] - QMF_BANDS_TO_HYBRID + 10;
372
76.5k
  self->hyb_band_count[1] = self->band_count[1] - QMF_BANDS_TO_HYBRID + 10;
373
76.5k
  self->hyb_band_count_max =
374
76.5k
      max(self->hyb_band_count[0], self->hyb_band_count[1]);
375
76.5k
  self->mps_decor.decor_nrg_smooth.num_bins = self->hyb_band_count_max;
376
76.5k
  self->mps_decor.num_bins = self->hyb_band_count_max;
377
76.5k
  self->output_buffer = output_buffer;
378
379
76.5k
  err = ixheaacd_mps_frame_decode(self);
380
381
76.5k
  if (err != IA_NO_ERROR) return err;
382
383
76.4k
  ixheaacd_pre_and_mix_matrix_calculation(self);
384
385
76.4k
  ixheaacd_mps_pre_matrix_mix_matrix_smoothing(self);
386
387
193k
  for (ch = 0; ch < in_ch_count; ch++) {
388
4.61M
    for (ts = 0; ts < time_slots; ts++) {
389
146M
      for (qs = 0; qs < self->band_count[ch]; qs++) {
390
141M
        self->qmf_in[ch][qs][ts].re =
391
141M
            self->input_gain * input_buffer[2 * ch][ts][qs];
392
141M
        self->qmf_in[ch][qs][ts].im =
393
141M
            self->input_gain * input_buffer[2 * ch + 1][ts][qs];
394
141M
      }
395
4.49M
    }
396
117k
  }
397
398
76.4k
  if (!(self->pre_mix_req | self->bs_tsd_enable)) {
399
64.6k
    ixheaacd_mps_qmf_hyb_analysis_no_pre_mix(self);
400
64.6k
  } else {
401
11.7k
    ixheaacd_mps_qmf_hyb_analysis(self);
402
403
11.7k
    ixheaacd_mps_apply_pre_matrix(self);
404
405
11.7k
    ixheaacd_mps_create_w(self);
406
11.7k
  }
407
408
76.4k
  if ((!(self->res_bands | self->pre_mix_req)) &&
409
32.7k
      (self->config->bs_phase_coding == 0)) {
410
14.7k
    ixheaacd_mps_apply_mix_matrix_type1(self);
411
412
61.7k
  } else if (self->pre_mix_req) {
413
5.88k
    ixheaacd_mps_apply_mix_matrix_type2(self);
414
415
55.8k
  } else {
416
55.8k
    ixheaacd_mps_apply_mix_matrix_type3(self);
417
55.8k
  }
418
419
76.4k
  if (self->config->bs_temp_shape_config == 2) {
420
6.39k
    ixheaacd_mps_time_env_shaping(self);
421
6.39k
  }
422
423
76.4k
  err = ixheaacd_mps_temp_process(self);
424
76.4k
  if (err) return err;
425
426
76.4k
  self->parse_nxt_frame = 1;
427
76.4k
  self->pre_mix_req = 0;
428
76.4k
  return 0;
429
76.4k
}
430
431
static VOID ixheaacd_mps_pcm_decode(ia_bit_buf_struct *it_bit_buff,
432
                                    WORD32* out_data_1, WORD32* out_data_2,
433
                                    WORD32 ixheaacd_drc_offset, WORD32 num_val,
434
19.3k
                                    WORD32 num_levels) {
435
19.3k
  WORD32 i = 0, j = 0, idx = 0;
436
19.3k
  WORD32 max_grp_len = 0, grp_len = 0, next_val = 0, grp_val = 0;
437
19.3k
  UWORD32 data = 0;
438
439
19.3k
  FLOAT32 ld_nlev = 0.f;
440
441
19.3k
  WORD32 pcm_chunk_size[7] = {0};
442
443
19.3k
  switch (num_levels) {
444
22
    case 3:
445
22
      max_grp_len = 5;
446
22
      break;
447
15
    case 7:
448
15
      max_grp_len = 6;
449
15
      break;
450
12
    case 11:
451
12
      max_grp_len = 2;
452
12
      break;
453
0
    case 13:
454
0
      max_grp_len = 4;
455
0
      break;
456
0
    case 19:
457
0
      max_grp_len = 4;
458
0
      break;
459
0
    case 25:
460
0
      max_grp_len = 3;
461
0
      break;
462
124
    case 51:
463
124
      max_grp_len = 4;
464
124
      break;
465
4.15k
    case 4:
466
8.54k
    case 8:
467
15.0k
    case 15:
468
15.7k
    case 16:
469
16.4k
    case 26:
470
19.1k
    case 31:
471
19.1k
      max_grp_len = 1;
472
19.1k
      break;
473
0
    default:
474
0
      return;
475
19.3k
  }
476
477
19.3k
  ld_nlev = (FLOAT32)(log((FLOAT32)num_levels) / log(2.f));
478
479
39.2k
  for (i = 1; i <= max_grp_len; i++) {
480
19.8k
    pcm_chunk_size[i] = (WORD32)ceil((FLOAT32)(i)*ld_nlev);
481
19.8k
  }
482
483
144k
  for (i = 0; i < num_val; i += max_grp_len) {
484
124k
    grp_len = min(max_grp_len, num_val - i);
485
124k
    data = ixheaacd_read_bits_buf(it_bit_buff, pcm_chunk_size[grp_len]);
486
487
124k
    grp_val = data;
488
489
250k
    for (j = 0; j < grp_len; j++) {
490
125k
      idx = i + (grp_len - j - 1);
491
125k
      next_val = grp_val % num_levels;
492
493
125k
      if (out_data_2 == NULL) {
494
80.8k
        out_data_1[idx] = next_val - ixheaacd_drc_offset;
495
80.8k
      } else if (out_data_1 == NULL) {
496
0
        out_data_2[idx] = next_val - ixheaacd_drc_offset;
497
44.6k
      } else {
498
44.6k
        if (idx % 2) {
499
22.3k
          out_data_2[idx / 2] = next_val - ixheaacd_drc_offset;
500
22.3k
        } else {
501
22.3k
          out_data_1[idx / 2] = next_val - ixheaacd_drc_offset;
502
22.3k
        }
503
44.6k
      }
504
505
125k
      grp_val = (grp_val - next_val) / num_levels;
506
125k
    }
507
124k
  }
508
509
19.3k
  return;
510
19.3k
}
511
512
static VOID ixheaacd_mps_huff_read(ia_bit_buf_struct *it_bit_buff,
513
                                   const WORD32 (*node_tab)[][2],
514
271k
                                   WORD32* out_data) {
515
271k
  WORD32 node = 0;
516
271k
  UWORD32 next_bit = 0;
517
518
642k
  do {
519
642k
    next_bit = ixheaacd_read_bits_buf(it_bit_buff, 1);
520
642k
    node = (*node_tab)[node][next_bit];
521
642k
  } while (node > 0);
522
523
271k
  *out_data = node;
524
525
271k
  return;
526
271k
}
527
528
static VOID ixheaacd_mps_huff_read_2d(ia_bit_buf_struct *it_bit_buff,
529
                                      const WORD32 (*node_tab)[][2],
530
                                      WORD32 out_data[2], WORD32* escape)
531
532
128k
{
533
128k
  WORD32 huff_2d_8bit = 0;
534
128k
  WORD32 node = 0;
535
536
128k
  ixheaacd_mps_huff_read(it_bit_buff, node_tab, &node);
537
128k
  *escape = (node == 0);
538
539
128k
  if (*escape) {
540
231
    out_data[0] = 0;
541
231
    out_data[1] = 1;
542
128k
  } else {
543
128k
    huff_2d_8bit = -(node + 1);
544
128k
    out_data[0] = huff_2d_8bit >> 4;
545
128k
    out_data[1] = huff_2d_8bit & 0xf;
546
128k
  }
547
548
128k
  return;
549
128k
}
550
551
static VOID ixheaacd_mps_sym_restore(ia_bit_buf_struct *it_bit_buff,
552
81.1k
                                     WORD32 lav, WORD32 data[2]) {
553
81.1k
  WORD32 tmp = 0;
554
81.1k
  UWORD32 sym_bit = 0;
555
556
81.1k
  WORD32 sum_val = data[0] + data[1];
557
81.1k
  WORD32 diff_val = data[0] - data[1];
558
559
81.1k
  if (sum_val > lav) {
560
19.6k
    data[0] = -sum_val + (2 * lav + 1);
561
19.6k
    data[1] = -diff_val;
562
61.4k
  } else {
563
61.4k
    data[0] = sum_val;
564
61.4k
    data[1] = diff_val;
565
61.4k
  }
566
567
81.1k
  if (data[0] + data[1] != 0) {
568
31.1k
    sym_bit = ixheaacd_read_bits_buf(it_bit_buff, 1);
569
31.1k
    if (sym_bit) {
570
10.0k
      data[0] = -data[0];
571
10.0k
      data[1] = -data[1];
572
10.0k
    }
573
31.1k
  }
574
575
81.1k
  if (data[0] - data[1] != 0) {
576
26.3k
    sym_bit = ixheaacd_read_bits_buf(it_bit_buff, 1);
577
26.3k
    if (sym_bit) {
578
8.39k
      tmp = data[0];
579
8.39k
      data[0] = data[1];
580
8.39k
      data[1] = tmp;
581
8.39k
    }
582
26.3k
  }
583
584
81.1k
  return;
585
81.1k
}
586
587
static VOID ixheaacd_mps_sym_restoreipd(ia_bit_buf_struct *it_bit_buff,
588
4.63k
                                        WORD32 lav, WORD32 data[2]) {
589
4.63k
  WORD32 tmp = 0;
590
4.63k
  UWORD32 sym_bit = 0;
591
592
4.63k
  WORD32 sum_val = data[0] + data[1];
593
4.63k
  WORD32 diff_val = data[0] - data[1];
594
595
4.63k
  if (sum_val > lav) {
596
879
    data[0] = -sum_val + (2 * lav + 1);
597
879
    data[1] = -diff_val;
598
3.75k
  } else {
599
3.75k
    data[0] = sum_val;
600
3.75k
    data[1] = diff_val;
601
3.75k
  }
602
603
4.63k
  if (data[0] - data[1] != 0) {
604
1.28k
    sym_bit = ixheaacd_read_bits_buf(it_bit_buff, 1);
605
1.28k
    if (sym_bit) {
606
718
      tmp = data[0];
607
718
      data[0] = data[1];
608
718
      data[1] = tmp;
609
718
    }
610
1.28k
  }
611
612
4.63k
  return;
613
4.63k
}
614
615
static VOID ixheaacd_mps_huff_dec_pilot(ia_bit_buf_struct *it_bit_buff,
616
                                        const WORD32 (*node_tab)[][2],
617
5.50k
                                        WORD32* pilot_data) {
618
5.50k
  WORD32 node = 0;
619
620
5.50k
  ixheaacd_mps_huff_read(it_bit_buff, node_tab, &node);
621
5.50k
  *pilot_data = -(node + 1);
622
623
5.50k
  return;
624
5.50k
}
625
626
static VOID ixheaacd_mps_huff_dec_cld_1d(
627
    ia_bit_buf_struct *it_bit_buff,
628
    const ia_huff_cld_node_1d_struct* huff_nodes, WORD32* out_data,
629
10.1k
    WORD32 num_val, WORD32 p0_flag) {
630
10.1k
  WORD32 i = 0, node = 0, ixheaacd_drc_offset = 0;
631
10.1k
  WORD32 od = 0, od_sign = 0;
632
10.1k
  UWORD32 data = 0;
633
634
10.1k
  if (p0_flag) {
635
6.21k
    ixheaacd_mps_huff_read(it_bit_buff,
636
6.21k
                           (ia_huff_node_struct)&ixheaacd_huff_part0_nodes.cld,
637
6.21k
                           &node);
638
6.21k
    out_data[0] = -(node + 1);
639
6.21k
    ixheaacd_drc_offset = 1;
640
6.21k
  }
641
642
68.8k
  for (i = ixheaacd_drc_offset; i < num_val; i++) {
643
58.7k
    ixheaacd_mps_huff_read(it_bit_buff,
644
58.7k
                           (ia_huff_node_struct)&huff_nodes->node_tab, &node);
645
58.7k
    od = -(node + 1);
646
647
58.7k
    if (od != 0) {
648
12.9k
      data = ixheaacd_read_bits_buf(it_bit_buff, 1);
649
12.9k
      od_sign = data;
650
651
12.9k
      if (od_sign) od = -od;
652
12.9k
    }
653
654
58.7k
    out_data[i] = od;
655
58.7k
  }
656
657
10.1k
  return;
658
10.1k
}
659
660
static VOID ixheaacd_mps_huff_dec_ipd_1d(
661
    ia_bit_buf_struct *it_bit_buff,
662
    const ia_huff_ipd_node_1d_struct* huff_nodes, WORD32* out_data,
663
1.10k
    WORD32 num_val, WORD32 p0_flag) {
664
1.10k
  WORD32 i = 0, node = 0, ixheaacd_drc_offset = 0;
665
1.10k
  WORD32 od = 0;
666
667
1.10k
  if (p0_flag) {
668
781
    ixheaacd_mps_huff_read(
669
781
        it_bit_buff, (ia_huff_node_struct)&ixheaacd_huff_ipd_nodes.hp0.node_tab,
670
781
        &node);
671
781
    out_data[0] = -(node + 1);
672
781
    ixheaacd_drc_offset = 1;
673
781
  }
674
675
10.4k
  for (i = ixheaacd_drc_offset; i < num_val; i++) {
676
9.36k
    ixheaacd_mps_huff_read(it_bit_buff,
677
9.36k
                           (ia_huff_node_struct)&huff_nodes->node_tab, &node);
678
9.36k
    od = -(node + 1);
679
9.36k
    out_data[i] = od;
680
9.36k
  }
681
682
1.10k
  return;
683
1.10k
}
684
685
static VOID ixheaacd_mps_huff_dec_icc_1d(
686
    ia_bit_buf_struct *it_bit_buff,
687
    const ia_huff_icc_node_1d_struct* huff_nodes, WORD32* out_data,
688
4.95k
    WORD32 num_val, WORD32 p0_flag) {
689
4.95k
  WORD32 i = 0, node = 0, ixheaacd_drc_offset = 0;
690
4.95k
  WORD32 od = 0, od_sign = 0;
691
4.95k
  UWORD32 data = 0;
692
693
4.95k
  if (p0_flag) {
694
2.41k
    ixheaacd_mps_huff_read(it_bit_buff,
695
2.41k
                           (ia_huff_node_struct)&ixheaacd_huff_part0_nodes.icc,
696
2.41k
                           &node);
697
2.41k
    out_data[0] = -(node + 1);
698
2.41k
    ixheaacd_drc_offset = 1;
699
2.41k
  }
700
701
28.7k
  for (i = ixheaacd_drc_offset; i < num_val; i++) {
702
23.7k
    ixheaacd_mps_huff_read(it_bit_buff,
703
23.7k
                           (ia_huff_node_struct)&huff_nodes->node_tab, &node);
704
23.7k
    od = -(node + 1);
705
706
23.7k
    if (od != 0) {
707
7.76k
      data = ixheaacd_read_bits_buf(it_bit_buff, 1);
708
7.76k
      od_sign = data;
709
710
7.76k
      if (od_sign) od = -od;
711
7.76k
    }
712
713
23.7k
    out_data[i] = od;
714
23.7k
  }
715
716
4.95k
  return;
717
4.95k
}
718
719
static VOID ia_mps_dec_huff_dec_cpc_1d(
720
    const ia_huff_cpc_node_1d_struct *huff_nodes, WORD32 *out_data,
721
495
    WORD32 num_val, WORD32 p0_flag, ia_bit_buf_struct *h_bit_buf) {
722
495
  WORD32 i = 0, node = 0, offset = 0;
723
495
  WORD32 od = 0, od_sign = 0;
724
495
  WORD32 data = 0;
725
726
495
  if (p0_flag) {
727
251
    ixheaacd_mps_huff_read(
728
251
        h_bit_buf, (ia_huff_node_struct) & (ixheaacd_huff_part0_nodes.cpc),
729
251
        &node);
730
251
    out_data[0] = -(node + 1);
731
251
    offset = 1;
732
251
  }
733
734
3.70k
  for (i = offset; i < num_val; i++) {
735
3.21k
    ixheaacd_mps_huff_read(h_bit_buf,
736
3.21k
                           (ia_huff_node_struct)&huff_nodes->node_tab, &node);
737
3.21k
    od = -(node + 1);
738
739
3.21k
    if (od != 0) {
740
2.12k
      data = ixheaacd_read_bits_buf(h_bit_buf, 1);
741
2.12k
      od_sign = data;
742
743
2.12k
      if (od_sign) od = -od;
744
2.12k
    }
745
746
3.21k
    out_data[i] = od;
747
3.21k
  }
748
495
}
749
750
static VOID ixheaacd_mps_huff_dec_cld_2d(
751
    ia_bit_buf_struct *it_bit_buff,
752
    const ia_huff_cld_node_2d_struct* huff_nodes, WORD32 out_data[][2],
753
15.1k
    WORD32 num_val, WORD32 ch_fac, WORD32* p0_data[2]) {
754
15.1k
  WORD32 i = 0, lav = 0, escape = 0, esc_contrl = 0;
755
15.1k
  WORD32 node = 0;
756
15.1k
  UWORD32 data = 0;
757
758
15.1k
  WORD32 esc_data[MAXBANDS][2] = {{0}};
759
15.1k
  WORD32 esc_idx[MAXBANDS] = {0};
760
761
15.1k
  ixheaacd_mps_huff_read(
762
15.1k
      it_bit_buff, (ia_huff_node_struct)&ixheaacd_huff_lav_idx_nodes.node_tab,
763
15.1k
      &node);
764
15.1k
  data = -(node + 1);
765
766
15.1k
  lav = 2 * data + 3;
767
768
15.1k
  if (p0_data[0] != NULL) {
769
5.33k
    ixheaacd_mps_huff_read(it_bit_buff,
770
5.33k
                           (ia_huff_node_struct)&ixheaacd_huff_part0_nodes.cld,
771
5.33k
                           &node);
772
5.33k
    *p0_data[0] = -(node + 1);
773
5.33k
  }
774
15.1k
  if (p0_data[1] != NULL) {
775
1.85k
    ixheaacd_mps_huff_read(it_bit_buff,
776
1.85k
                           (ia_huff_node_struct)&ixheaacd_huff_part0_nodes.cld,
777
1.85k
                           &node);
778
1.85k
    *p0_data[1] = -(node + 1);
779
1.85k
  }
780
781
75.2k
  for (i = 0; i < num_val; i += ch_fac) {
782
60.1k
    switch (lav) {
783
37.9k
      case 3:
784
37.9k
        ixheaacd_mps_huff_read_2d(it_bit_buff,
785
37.9k
                                  (ia_huff_node_struct)&huff_nodes->lav3,
786
37.9k
                                  out_data[i], &escape);
787
37.9k
        break;
788
6.92k
      case 5:
789
6.92k
        ixheaacd_mps_huff_read_2d(it_bit_buff,
790
6.92k
                                  (ia_huff_node_struct)&huff_nodes->lav5,
791
6.92k
                                  out_data[i], &escape);
792
6.92k
        break;
793
12.9k
      case 7:
794
12.9k
        ixheaacd_mps_huff_read_2d(it_bit_buff,
795
12.9k
                                  (ia_huff_node_struct)&huff_nodes->lav7,
796
12.9k
                                  out_data[i], &escape);
797
12.9k
        break;
798
2.26k
      case 9:
799
2.26k
        ixheaacd_mps_huff_read_2d(it_bit_buff,
800
2.26k
                                  (ia_huff_node_struct)&huff_nodes->lav9,
801
2.26k
                                  out_data[i], &escape);
802
2.26k
        break;
803
0
      default:
804
0
        break;
805
60.1k
    }
806
807
60.1k
    if (escape) {
808
0
      esc_idx[esc_contrl++] = i;
809
60.1k
    } else {
810
60.1k
      ixheaacd_mps_sym_restore(it_bit_buff, lav, out_data[i]);
811
60.1k
    }
812
60.1k
  }
813
814
15.1k
  if (esc_contrl > 0) {
815
0
    ixheaacd_mps_pcm_decode(it_bit_buff, esc_data[0], esc_data[1], 0,
816
0
                            2 * esc_contrl, (2 * lav + 1));
817
818
0
    for (i = 0; i < esc_contrl; i++) {
819
0
      out_data[esc_idx[i]][0] = esc_data[0][i] - lav;
820
0
      out_data[esc_idx[i]][1] = esc_data[1][i] - lav;
821
0
    }
822
0
  }
823
824
15.1k
  return;
825
15.1k
}
826
827
static VOID ixheaacd_mps_huff_dec_icc_2d(
828
    ia_bit_buf_struct *it_bit_buff,
829
    const ia_huff_icc_node_2d_struct* huff_nodes, WORD32 out_data[][2],
830
4.83k
    WORD32 num_val, WORD32 ch_fac, WORD32* p0_data[2]) {
831
4.83k
  WORD32 i = 0, lav = 0, escape = 0, esc_contrl = 0;
832
4.83k
  WORD32 node = 0;
833
4.83k
  UWORD32 data = 0;
834
835
4.83k
  WORD32 esc_data[2][MAXBANDS] = {{0}};
836
4.83k
  WORD32 esc_idx[MAXBANDS] = {0};
837
838
4.83k
  ixheaacd_mps_huff_read(
839
4.83k
      it_bit_buff, (ia_huff_node_struct)&ixheaacd_huff_lav_idx_nodes.node_tab,
840
4.83k
      &node);
841
4.83k
  data = -(node + 1);
842
843
4.83k
  lav = 2 * data + 1;
844
845
4.83k
  if (p0_data[0] != NULL) {
846
2.34k
    ixheaacd_mps_huff_read(it_bit_buff,
847
2.34k
                           (ia_huff_node_struct)&ixheaacd_huff_part0_nodes.icc,
848
2.34k
                           &node);
849
2.34k
    *p0_data[0] = -(node + 1);
850
2.34k
  }
851
4.83k
  if (p0_data[1] != NULL) {
852
1.79k
    ixheaacd_mps_huff_read(it_bit_buff,
853
1.79k
                           (ia_huff_node_struct)&ixheaacd_huff_part0_nodes.icc,
854
1.79k
                           &node);
855
1.79k
    *p0_data[1] = -(node + 1);
856
1.79k
  }
857
858
24.7k
  for (i = 0; i < num_val; i += ch_fac) {
859
19.8k
    switch (lav) {
860
11.5k
      case 1:
861
11.5k
        ixheaacd_mps_huff_read_2d(it_bit_buff,
862
11.5k
                                  (ia_huff_node_struct)&huff_nodes->lav1,
863
11.5k
                                  out_data[i], &escape);
864
11.5k
        break;
865
5.86k
      case 3:
866
5.86k
        ixheaacd_mps_huff_read_2d(it_bit_buff,
867
5.86k
                                  (ia_huff_node_struct)&huff_nodes->lav3,
868
5.86k
                                  out_data[i], &escape);
869
5.86k
        break;
870
932
      case 5:
871
932
        ixheaacd_mps_huff_read_2d(it_bit_buff,
872
932
                                  (ia_huff_node_struct)&huff_nodes->lav5,
873
932
                                  out_data[i], &escape);
874
932
        break;
875
1.50k
      case 7:
876
1.50k
        ixheaacd_mps_huff_read_2d(it_bit_buff,
877
1.50k
                                  (ia_huff_node_struct)&huff_nodes->lav7,
878
1.50k
                                  out_data[i], &escape);
879
1.50k
        break;
880
19.8k
    }
881
882
19.8k
    if (escape) {
883
88
      esc_idx[esc_contrl++] = i;
884
19.7k
    } else {
885
19.7k
      ixheaacd_mps_sym_restore(it_bit_buff, lav, out_data[i]);
886
19.7k
    }
887
19.8k
  }
888
889
4.83k
  if (esc_contrl > 0) {
890
17
    ixheaacd_mps_pcm_decode(it_bit_buff, esc_data[0], esc_data[1], 0,
891
17
                            2 * esc_contrl, (2 * lav + 1));
892
893
98
    for (i = 0; i < esc_contrl; i++) {
894
81
      out_data[esc_idx[i]][0] = esc_data[0][i] - lav;
895
81
      out_data[esc_idx[i]][1] = esc_data[1][i] - lav;
896
81
    }
897
17
  }
898
899
4.83k
  return;
900
4.83k
}
901
902
static VOID ixheaacd_mps_huff_dec_ipd_2d(
903
    ia_bit_buf_struct *it_bit_buff,
904
    const ia_huff_ipd_node_2d_struct* huff_nodes, WORD32 out_data[][2],
905
665
    WORD32 num_val, WORD32 ch_fac, WORD32* p0_data[2]) {
906
665
  WORD32 i = 0, lav = 0, escape = 0, esc_contrl = 0;
907
665
  WORD32 node = 0;
908
665
  UWORD32 data = 0;
909
910
665
  WORD32 esc_data[2][MAXBANDS] = {{0}};
911
665
  WORD32 esc_idx[MAXBANDS] = {0};
912
913
665
  ixheaacd_mps_huff_read(
914
665
      it_bit_buff, (ia_huff_node_struct)&ixheaacd_huff_lav_idx_nodes.node_tab,
915
665
      &node);
916
917
665
  data = -(node + 1);
918
665
  if (data == 0)
919
196
    data = 3;
920
469
  else
921
469
    data--;
922
923
665
  lav = 2 * data + 1;
924
925
665
  if (p0_data[0] != NULL) {
926
200
    ixheaacd_mps_huff_read(
927
200
        it_bit_buff, (ia_huff_node_struct)&ixheaacd_huff_ipd_nodes.hp0.node_tab,
928
200
        &node);
929
200
    *p0_data[0] = -(node + 1);
930
200
  }
931
665
  if (p0_data[1] != NULL) {
932
135
    ixheaacd_mps_huff_read(
933
135
        it_bit_buff, (ia_huff_node_struct)&ixheaacd_huff_ipd_nodes.hp0.node_tab,
934
135
        &node);
935
135
    *p0_data[1] = -(node + 1);
936
135
  }
937
938
5.44k
  for (i = 0; i < num_val; i += ch_fac) {
939
4.77k
    switch (lav) {
940
1.34k
      case 1:
941
1.34k
        ixheaacd_mps_huff_read_2d(it_bit_buff,
942
1.34k
                                  (ia_huff_node_struct)&huff_nodes->lav1,
943
1.34k
                                  out_data[i], &escape);
944
1.34k
        break;
945
923
      case 3:
946
923
        ixheaacd_mps_huff_read_2d(it_bit_buff,
947
923
                                  (ia_huff_node_struct)&huff_nodes->lav3,
948
923
                                  out_data[i], &escape);
949
923
        break;
950
772
      case 5:
951
772
        ixheaacd_mps_huff_read_2d(it_bit_buff,
952
772
                                  (ia_huff_node_struct)&huff_nodes->lav5,
953
772
                                  out_data[i], &escape);
954
772
        break;
955
1.73k
      case 7:
956
1.73k
        ixheaacd_mps_huff_read_2d(it_bit_buff,
957
1.73k
                                  (ia_huff_node_struct)&huff_nodes->lav7,
958
1.73k
                                  out_data[i], &escape);
959
1.73k
        break;
960
4.77k
    }
961
962
4.77k
    if (escape) {
963
143
      esc_idx[esc_contrl++] = i;
964
4.63k
    } else {
965
4.63k
      ixheaacd_mps_sym_restoreipd(it_bit_buff, lav, out_data[i]);
966
4.63k
    }
967
4.77k
  }
968
969
664
  if (esc_contrl > 0) {
970
50
    ixheaacd_mps_pcm_decode(it_bit_buff, esc_data[0], esc_data[1], 0,
971
50
                            2 * esc_contrl, (2 * lav + 1));
972
973
193
    for (i = 0; i < esc_contrl; i++) {
974
143
      out_data[esc_idx[i]][0] = esc_data[0][i] - lav;
975
143
      out_data[esc_idx[i]][1] = esc_data[1][i] - lav;
976
143
    }
977
50
  }
978
979
664
  return;
980
665
}
981
982
static VOID ia_mps_dec_huff_dec_cpc_2d(
983
    const ia_mps_dec_huff_cpc_nod_2d *huff_nodes, WORD32 out_data[][2],
984
    WORD32 num_val, WORD32 stride, WORD32 *p0_data[2],
985
248
    ia_bit_buf_struct *h_bit_buf) {
986
248
  WORD32 i = 0, lav = 0, escape = 0, esc_cntr = 0;
987
248
  WORD32 node = 0;
988
248
  WORD32 data = 0;
989
990
248
  WORD32 esc_data[2][MAXBANDS] = {{0}};
991
248
  WORD32 esc_idx[MAXBANDS] = {0};
992
993
248
  ixheaacd_mps_huff_read(
994
248
      h_bit_buf, (ia_huff_node_struct) & (ixheaacd_huff_lav_idx_nodes.node_tab),
995
248
      &node);
996
248
  data = -(node + 1);
997
998
248
  lav = 3 * data + 3;
999
1000
248
  if (p0_data[0] != NULL) {
1001
98
    ixheaacd_mps_huff_read(
1002
98
        h_bit_buf, (ia_huff_node_struct) & (ixheaacd_huff_part0_nodes.cpc),
1003
98
        &node);
1004
98
    *p0_data[0] = -(node + 1);
1005
98
  }
1006
248
  if (p0_data[1] != NULL) {
1007
76
    ixheaacd_mps_huff_read(
1008
76
        h_bit_buf, (ia_huff_node_struct) & (ixheaacd_huff_part0_nodes.cpc),
1009
76
        &node);
1010
76
    *p0_data[1] = -(node + 1);
1011
76
  }
1012
1013
1.47k
  for (i = 0; i < num_val; i += stride) {
1014
1.22k
    switch (lav) {
1015
530
      case LAV_3:
1016
530
        ixheaacd_mps_huff_read_2d(h_bit_buf,
1017
530
                                  (ia_huff_node_struct)&huff_nodes->lav3,
1018
530
                                  out_data[i], &escape);
1019
530
        break;
1020
233
      case LAV_6:
1021
233
        ixheaacd_mps_huff_read_2d(h_bit_buf,
1022
233
                                  (ia_huff_node_struct)&huff_nodes->lav6,
1023
233
                                  out_data[i], &escape);
1024
233
        break;
1025
94
      case LAV_9:
1026
94
        ixheaacd_mps_huff_read_2d(h_bit_buf,
1027
94
                                  (ia_huff_node_struct)&huff_nodes->lav9,
1028
94
                                  out_data[i], &escape);
1029
94
        break;
1030
369
      case LAV_12:
1031
369
        ixheaacd_mps_huff_read_2d(h_bit_buf,
1032
369
                                  (ia_huff_node_struct)&huff_nodes->lav12,
1033
369
                                  out_data[i], &escape);
1034
369
        break;
1035
0
      default:
1036
0
        break;
1037
1.22k
    }
1038
1039
1.22k
    if (escape) {
1040
0
      esc_idx[esc_cntr++] = i;
1041
1.22k
    } else {
1042
1.22k
      ixheaacd_mps_sym_restore(h_bit_buf, lav, out_data[i]);
1043
1.22k
    }
1044
1.22k
  }
1045
1046
246
  if (esc_cntr > 0) {
1047
0
    ixheaacd_mps_pcm_decode(h_bit_buf, esc_data[0], esc_data[1], 0,
1048
0
                            (esc_cntr << 1), ((lav << 1) + 1));
1049
1050
0
    for (i = 0; i < esc_cntr; i++) {
1051
0
      out_data[esc_idx[i]][0] = esc_data[0][i] - lav;
1052
0
      out_data[esc_idx[i]][1] = esc_data[1][i] - lav;
1053
0
    }
1054
0
  }
1055
246
  return;
1056
248
}
1057
1058
static VOID ixheaacd_huff_decode(ia_bit_buf_struct *it_bit_buff, WORD32 *out_data_1,
1059
                                 WORD32 *out_data_2, WORD32 data_type, WORD32 diff_type_1,
1060
                                 WORD32 diff_type_2, WORD32 pilot_coding_flag, WORD32 *pilot_data,
1061
24.7k
                                 WORD32 num_val, WORD32 *cdg_scheme, WORD32 ld_mps_flag) {
1062
24.7k
  WORD32 diff_type;
1063
1064
24.7k
  WORD32 i = 0;
1065
24.7k
  UWORD32 data = 0;
1066
1067
24.7k
  WORD32 pair_vec[MAXBANDS][2];
1068
1069
24.7k
  WORD32* p0_data_1[2] = {NULL, NULL};
1070
24.7k
  WORD32* p0_data_2[2] = {NULL, NULL};
1071
1072
24.7k
  WORD32 p0_flag[2];
1073
1074
24.7k
  WORD32 num_val_1_int = num_val;
1075
24.7k
  WORD32 num_val_2_int = num_val;
1076
1077
24.7k
  WORD32* out_data_1_int = out_data_1;
1078
24.7k
  WORD32* out_data_2_int = out_data_2;
1079
1080
24.7k
  WORD32 df_rest_flag_1 = 0;
1081
24.7k
  WORD32 df_rest_flag_2 = 0;
1082
1083
24.7k
  WORD32 huff_yy_1;
1084
24.7k
  WORD32 huff_yy_2;
1085
24.7k
  WORD32 huff_yy;
1086
24.7k
  if (pilot_coding_flag) {
1087
5.50k
    switch (data_type) {
1088
5.03k
      case CLD:
1089
5.03k
        if (out_data_1 != NULL) {
1090
5.03k
          ixheaacd_mps_huff_dec_pilot(
1091
5.03k
              it_bit_buff, (ia_huff_node_struct)&ixheaacd_huff_pilot_nodes.cld,
1092
5.03k
              pilot_data);
1093
5.03k
        }
1094
5.03k
        break;
1095
1096
379
      case ICC:
1097
379
        if (out_data_1 != NULL) {
1098
379
          ixheaacd_mps_huff_dec_pilot(
1099
379
              it_bit_buff, (ia_huff_node_struct)&ixheaacd_huff_pilot_nodes.icc,
1100
379
              pilot_data);
1101
379
        }
1102
379
        break;
1103
1104
89
      case CPC:
1105
89
        if (out_data_1 != NULL) {
1106
89
          ixheaacd_mps_huff_dec_pilot(
1107
89
              it_bit_buff,
1108
89
              (ia_huff_node_struct) & (ixheaacd_huff_pilot_nodes.cpc),
1109
89
              pilot_data);
1110
89
        }
1111
89
        break;
1112
1113
0
      default:
1114
0
        break;
1115
5.50k
    }
1116
5.50k
  }
1117
1118
24.7k
  data = ixheaacd_read_bits_buf(it_bit_buff, 1);
1119
24.7k
  *cdg_scheme = data << PAIR_SHIFT;
1120
1121
24.7k
  if (*cdg_scheme >> PAIR_SHIFT == HUFF_2D) {
1122
15.6k
    if ((out_data_1 != NULL) && (out_data_2 != NULL) && (ld_mps_flag != 1)) {
1123
8.66k
      data = ixheaacd_read_bits_buf(it_bit_buff, 1);
1124
8.66k
      *cdg_scheme |= data;
1125
8.66k
    } else {
1126
7.03k
      *cdg_scheme |= FREQ_PAIR;
1127
7.03k
    }
1128
15.6k
  }
1129
1130
24.7k
  if (pilot_coding_flag) {
1131
5.50k
    huff_yy_1 = PCM_PLT;
1132
5.50k
    huff_yy_2 = PCM_PLT;
1133
19.2k
  } else {
1134
19.2k
    huff_yy_1 = diff_type_1;
1135
19.2k
    huff_yy_2 = diff_type_2;
1136
19.2k
  }
1137
1138
24.7k
  switch (*cdg_scheme >> PAIR_SHIFT) {
1139
9.01k
    case HUFF_1D:
1140
1141
9.01k
      p0_flag[0] = (diff_type_1 == DIFF_FREQ) && !pilot_coding_flag;
1142
9.01k
      p0_flag[1] = (diff_type_2 == DIFF_FREQ) && !pilot_coding_flag;
1143
1144
9.01k
      switch (data_type) {
1145
5.91k
        case CLD:
1146
5.91k
          if (out_data_1 != NULL) {
1147
5.91k
            ixheaacd_mps_huff_dec_cld_1d(
1148
5.91k
                it_bit_buff, &ixheaacd_huff_cld_nodes.h_1_dim[huff_yy_1],
1149
5.91k
                out_data_1, num_val_1_int, p0_flag[0]);
1150
5.91k
          }
1151
5.91k
          if (out_data_2 != NULL) {
1152
2.33k
            ixheaacd_mps_huff_dec_cld_1d(
1153
2.33k
                it_bit_buff, &ixheaacd_huff_cld_nodes.h_1_dim[huff_yy_2],
1154
2.33k
                out_data_2, num_val_2_int, p0_flag[1]);
1155
2.33k
          }
1156
1157
5.91k
          break;
1158
1159
2.13k
        case ICC:
1160
2.13k
          if (out_data_1 != NULL) {
1161
2.13k
            ixheaacd_mps_huff_dec_icc_1d(
1162
2.13k
                it_bit_buff, &ixheaacd_huff_icc_nodes.h_1_dim[huff_yy_1],
1163
2.13k
                out_data_1, num_val_1_int, p0_flag[0]);
1164
2.13k
          }
1165
2.13k
          if (out_data_2 != NULL) {
1166
857
            ixheaacd_mps_huff_dec_icc_1d(
1167
857
                it_bit_buff, &ixheaacd_huff_icc_nodes.h_1_dim[huff_yy_2],
1168
857
                out_data_2, num_val_2_int, p0_flag[1]);
1169
857
          }
1170
1171
2.13k
          break;
1172
1173
692
        case IPD:
1174
692
          if (out_data_1 != NULL) {
1175
692
            ixheaacd_mps_huff_dec_ipd_1d(
1176
692
                it_bit_buff, &ixheaacd_huff_ipd_nodes.h_1_dim[huff_yy_1],
1177
692
                out_data_1, num_val_1_int, p0_flag[0]);
1178
692
          }
1179
692
          if (out_data_2 != NULL) {
1180
291
            ixheaacd_mps_huff_dec_ipd_1d(
1181
291
                it_bit_buff, &ixheaacd_huff_ipd_nodes.h_1_dim[huff_yy_2],
1182
291
                out_data_2, num_val_2_int, p0_flag[1]);
1183
291
          }
1184
1185
692
          break;
1186
270
        case CPC:
1187
270
          if (out_data_1 != NULL) {
1188
270
            ia_mps_dec_huff_dec_cpc_1d(
1189
270
                &(ixheaacd_huff_cpc_nodes.h_1_dim[huff_yy_1]), out_data_1,
1190
270
                num_val_1_int, p0_flag[0], it_bit_buff);
1191
270
          }
1192
270
          if (out_data_2 != NULL) {
1193
139
            ia_mps_dec_huff_dec_cpc_1d(
1194
139
                &(ixheaacd_huff_cpc_nodes.h_1_dim[huff_yy_2]), out_data_2,
1195
139
                num_val_2_int, p0_flag[1], it_bit_buff);
1196
139
          }
1197
1198
270
          break;
1199
0
        default:
1200
0
          break;
1201
9.01k
      }
1202
1203
8.96k
      break;
1204
1205
15.6k
    case HUFF_2D:
1206
1207
15.6k
      switch (*cdg_scheme & PAIR_MASK) {
1208
11.9k
        case FREQ_PAIR:
1209
1210
11.9k
          if (out_data_1 != NULL) {
1211
11.9k
            if (!pilot_coding_flag && diff_type_1 == DIFF_FREQ) {
1212
4.64k
              p0_data_1[0] = &out_data_1[0];
1213
4.64k
              p0_data_1[1] = NULL;
1214
1215
4.64k
              num_val_1_int -= 1;
1216
4.64k
              out_data_1_int += 1;
1217
4.64k
            }
1218
11.9k
            df_rest_flag_1 = num_val_1_int % 2;
1219
11.9k
            if (df_rest_flag_1) num_val_1_int -= 1;
1220
11.9k
          }
1221
11.9k
          if (out_data_2 != NULL) {
1222
5.21k
            if (!pilot_coding_flag && diff_type_2 == DIFF_FREQ) {
1223
522
              p0_data_2[0] = NULL;
1224
522
              p0_data_2[1] = &out_data_2[0];
1225
1226
522
              num_val_2_int -= 1;
1227
522
              out_data_2_int += 1;
1228
522
            }
1229
5.21k
            df_rest_flag_2 = num_val_2_int % 2;
1230
5.21k
            if (df_rest_flag_2) num_val_2_int -= 1;
1231
5.21k
          }
1232
1233
11.9k
          switch (data_type) {
1234
8.78k
            case CLD:
1235
1236
8.78k
              if (out_data_1 != NULL) {
1237
8.78k
                ixheaacd_mps_huff_dec_cld_2d(
1238
8.78k
                    it_bit_buff,
1239
8.78k
                    &ixheaacd_huff_cld_nodes.h_2_dim[huff_yy_1][FREQ_PAIR],
1240
8.78k
                    pair_vec, num_val_1_int, 2, p0_data_1);
1241
8.78k
                if (df_rest_flag_1) {
1242
1.61k
                  ixheaacd_mps_huff_dec_cld_1d(
1243
1.61k
                      it_bit_buff, &ixheaacd_huff_cld_nodes.h_1_dim[huff_yy_1],
1244
1.61k
                      out_data_1_int + num_val_1_int, 1, 0);
1245
1.61k
                }
1246
8.78k
              }
1247
8.78k
              if (out_data_2 != NULL) {
1248
4.67k
                ixheaacd_mps_huff_dec_cld_2d(
1249
4.67k
                    it_bit_buff,
1250
4.67k
                    &ixheaacd_huff_cld_nodes.h_2_dim[huff_yy_2][FREQ_PAIR],
1251
4.67k
                    pair_vec + 1, num_val_2_int, 2, p0_data_2);
1252
4.67k
                if (df_rest_flag_2) {
1253
310
                  ixheaacd_mps_huff_dec_cld_1d(
1254
310
                      it_bit_buff, &ixheaacd_huff_cld_nodes.h_1_dim[huff_yy_2],
1255
310
                      out_data_2_int + num_val_2_int, 1, 0);
1256
310
                }
1257
4.67k
              }
1258
8.78k
              break;
1259
1260
2.56k
            case ICC:
1261
2.56k
              if (out_data_1 != NULL) {
1262
2.56k
                ixheaacd_mps_huff_dec_icc_2d(
1263
2.56k
                    it_bit_buff,
1264
2.56k
                    &ixheaacd_huff_icc_nodes.h_2_dim[huff_yy_1][FREQ_PAIR],
1265
2.56k
                    pair_vec, num_val_1_int, 2, p0_data_1);
1266
2.56k
                if (df_rest_flag_1) {
1267
1.74k
                  ixheaacd_mps_huff_dec_icc_1d(
1268
1.74k
                      it_bit_buff, &ixheaacd_huff_icc_nodes.h_1_dim[huff_yy_1],
1269
1.74k
                      out_data_1_int + num_val_1_int, 1, 0);
1270
1.74k
                }
1271
2.56k
              }
1272
2.56k
              if (out_data_2 != NULL) {
1273
405
                ixheaacd_mps_huff_dec_icc_2d(
1274
405
                    it_bit_buff,
1275
405
                    &ixheaacd_huff_icc_nodes.h_2_dim[huff_yy_2][FREQ_PAIR],
1276
405
                    pair_vec + 1, num_val_2_int, 2, p0_data_2);
1277
405
                if (df_rest_flag_2) {
1278
217
                  ixheaacd_mps_huff_dec_icc_1d(
1279
217
                      it_bit_buff, &ixheaacd_huff_icc_nodes.h_1_dim[huff_yy_2],
1280
217
                      out_data_2_int + num_val_2_int, 1, 0);
1281
217
                }
1282
405
              }
1283
2.56k
              break;
1284
1285
437
            case IPD:
1286
437
              if (out_data_1 != NULL) {
1287
437
                ixheaacd_mps_huff_dec_ipd_2d(
1288
437
                    it_bit_buff,
1289
437
                    &ixheaacd_huff_ipd_nodes.h_2_dim[huff_yy_1][FREQ_PAIR],
1290
437
                    pair_vec, num_val_1_int, 2, p0_data_1);
1291
437
                if (df_rest_flag_1) {
1292
93
                  ixheaacd_mps_huff_dec_ipd_1d(
1293
93
                      it_bit_buff, &ixheaacd_huff_ipd_nodes.h_1_dim[huff_yy_1],
1294
93
                      out_data_1_int + num_val_1_int, 1, 0);
1295
93
                }
1296
437
              }
1297
437
              if (out_data_2 != NULL) {
1298
84
                ixheaacd_mps_huff_dec_ipd_2d(
1299
84
                    it_bit_buff,
1300
84
                    &ixheaacd_huff_ipd_nodes.h_2_dim[huff_yy_2][FREQ_PAIR],
1301
84
                    pair_vec + 1, num_val_2_int, 2, p0_data_2);
1302
84
                if (df_rest_flag_2) {
1303
27
                  ixheaacd_mps_huff_dec_ipd_1d(
1304
27
                      it_bit_buff, &ixheaacd_huff_ipd_nodes.h_1_dim[huff_yy_2],
1305
27
                      out_data_2_int + num_val_2_int, 1, 0);
1306
27
                }
1307
84
              }
1308
437
              break;
1309
124
            case CPC:
1310
124
              if (out_data_1 != NULL) {
1311
124
                ia_mps_dec_huff_dec_cpc_2d(
1312
124
                    &(ixheaacd_huff_cpc_nodes.h_2_dim[huff_yy_1][FREQ_PAIR]), pair_vec,
1313
124
                    num_val_1_int, 2, p0_data_1, it_bit_buff);
1314
124
                if (df_rest_flag_1) {
1315
62
                  ia_mps_dec_huff_dec_cpc_1d(&(ixheaacd_huff_cpc_nodes.h_1_dim[huff_yy_1]),
1316
62
                      out_data_1_int + num_val_1_int, 1, 0, it_bit_buff);
1317
62
                }
1318
124
              }
1319
124
              if (out_data_2 != NULL) {
1320
45
                ia_mps_dec_huff_dec_cpc_2d(
1321
45
                    &(ixheaacd_huff_cpc_nodes.h_2_dim[huff_yy_2][FREQ_PAIR]), pair_vec + 1,
1322
45
                    num_val_2_int, 2, p0_data_2, it_bit_buff);
1323
1324
45
                if (df_rest_flag_2) {
1325
24
                  ia_mps_dec_huff_dec_cpc_1d(
1326
24
                      &(ixheaacd_huff_cpc_nodes.h_1_dim[huff_yy_2]),
1327
24
                      out_data_2_int + num_val_2_int, 1, 0, it_bit_buff);
1328
24
                }
1329
45
              }
1330
124
              break;
1331
0
            default:
1332
0
              break;
1333
11.9k
          }
1334
1335
11.8k
          if (out_data_1 != NULL) {
1336
55.0k
            for (i = 0; i < num_val_1_int - 1; i += 2) {
1337
43.1k
              out_data_1_int[i] = pair_vec[i][0];
1338
43.1k
              out_data_1_int[i + 1] = pair_vec[i][1];
1339
43.1k
            }
1340
11.8k
          }
1341
11.8k
          if (out_data_2 != NULL) {
1342
29.1k
            for (i = 0; i < num_val_2_int - 1; i += 2) {
1343
23.9k
              out_data_2_int[i] = pair_vec[i + 1][0];
1344
23.9k
              out_data_2_int[i + 1] = pair_vec[i + 1][1];
1345
23.9k
            }
1346
5.20k
          }
1347
1348
11.8k
          break;
1349
1350
3.78k
        case TIME_PAIR:
1351
1352
3.78k
          if (!pilot_coding_flag &&
1353
3.56k
              ((diff_type_1 == DIFF_FREQ) || (diff_type_2 == DIFF_FREQ))) {
1354
3.33k
            p0_data_1[0] = &out_data_1[0];
1355
3.33k
            p0_data_1[1] = &out_data_2[0];
1356
1357
3.33k
            out_data_1_int += 1;
1358
3.33k
            out_data_2_int += 1;
1359
1360
3.33k
            num_val_1_int -= 1;
1361
3.33k
          }
1362
1363
3.78k
          if ((diff_type_1 == DIFF_TIME) || (diff_type_2 == DIFF_TIME)) {
1364
3.30k
            diff_type = DIFF_TIME;
1365
3.30k
          } else {
1366
480
            diff_type = DIFF_FREQ;
1367
480
          }
1368
3.78k
          if (pilot_coding_flag) {
1369
213
            huff_yy = PCM_PLT;
1370
3.56k
          } else {
1371
3.56k
            huff_yy = diff_type;
1372
3.56k
          }
1373
1374
3.78k
          switch (data_type) {
1375
1.69k
            case CLD:
1376
1.69k
              ixheaacd_mps_huff_dec_cld_2d(
1377
1.69k
                  it_bit_buff,
1378
1.69k
                  &ixheaacd_huff_cld_nodes.h_2_dim[huff_yy][TIME_PAIR],
1379
1.69k
                  pair_vec, num_val_1_int, 1, p0_data_1);
1380
1.69k
              break;
1381
1382
1.86k
            case ICC:
1383
1.86k
              ixheaacd_mps_huff_dec_icc_2d(
1384
1.86k
                  it_bit_buff,
1385
1.86k
                  &ixheaacd_huff_icc_nodes.h_2_dim[huff_yy][TIME_PAIR],
1386
1.86k
                  pair_vec, num_val_1_int, 1, p0_data_1);
1387
1.86k
              break;
1388
1389
144
            case IPD:
1390
144
              ixheaacd_mps_huff_dec_ipd_2d(
1391
144
                  it_bit_buff,
1392
144
                  &ixheaacd_huff_ipd_nodes.h_2_dim[huff_yy][TIME_PAIR],
1393
144
                  pair_vec, num_val_1_int, 1, p0_data_1);
1394
144
              break;
1395
79
            case CPC:
1396
79
              ia_mps_dec_huff_dec_cpc_2d(&(ixheaacd_huff_cpc_nodes.h_2_dim[huff_yy][TIME_PAIR]),
1397
79
                  pair_vec, num_val_1_int, 1, p0_data_1, it_bit_buff);
1398
79
              break;
1399
0
            default:
1400
0
              break;
1401
3.78k
          }
1402
1403
22.5k
          for (i = 0; i < num_val_1_int; i++) {
1404
18.8k
            out_data_1_int[i] = pair_vec[i][0];
1405
18.8k
            out_data_2_int[i] = pair_vec[i][1];
1406
18.8k
          }
1407
1408
3.77k
          break;
1409
1410
0
        default:
1411
0
          break;
1412
15.6k
      }
1413
1414
15.6k
      break;
1415
1416
15.6k
    default:
1417
0
      break;
1418
24.7k
  }
1419
1420
24.6k
  return;
1421
24.7k
}
1422
1423
static VOID ixheaacd_diff_freq_decode(WORD32* diff_data, WORD32* out_data,
1424
29.7k
                                      WORD32 num_val) {
1425
29.7k
  WORD32 i = 0;
1426
1427
29.7k
  out_data[0] = diff_data[0];
1428
1429
210k
  for (i = 1; i < num_val; i++) {
1430
180k
    out_data[i] = out_data[i - 1] + diff_data[i];
1431
180k
  }
1432
29.7k
}
1433
1434
static VOID ixheaacd_mps_diff_time_dec_bwd(WORD32* prev_data, WORD32* diff_data,
1435
                                           WORD32* out_data,
1436
                                           WORD32 mixed_diff_type,
1437
7.93k
                                           WORD32 num_val) {
1438
7.93k
  WORD32 i = 0;
1439
1440
7.93k
  if (mixed_diff_type) {
1441
2.80k
    out_data[0] = diff_data[0];
1442
15.1k
    for (i = 1; i < num_val; i++) {
1443
12.3k
      out_data[i] = prev_data[i] + diff_data[i];
1444
12.3k
    }
1445
5.13k
  } else {
1446
44.7k
    for (i = 0; i < num_val; i++) {
1447
39.5k
      out_data[i] = prev_data[i] + diff_data[i];
1448
39.5k
    }
1449
5.13k
  }
1450
7.93k
}
1451
1452
static VOID ixheaacd_mps_diff_time_dec_fwd(WORD32* prev_data, WORD32* diff_data,
1453
                                           WORD32* out_data,
1454
                                           WORD32 mixed_diff_type,
1455
642
                                           WORD32 num_val) {
1456
642
  WORD32 i = 0;
1457
1458
642
  if (mixed_diff_type) {
1459
266
    out_data[0] = diff_data[0];
1460
1.67k
    for (i = 1; i < num_val; i++) {
1461
1.40k
      out_data[i] = prev_data[i] - diff_data[i];
1462
1.40k
    }
1463
376
  } else {
1464
2.67k
    for (i = 0; i < num_val; i++) {
1465
2.30k
      out_data[i] = prev_data[i] - diff_data[i];
1466
2.30k
    }
1467
376
  }
1468
642
}
1469
1470
static VOID ixheaacd_attach_lsb(ia_bit_buf_struct *it_bit_buff,
1471
                                WORD32* in_data_msb, WORD32 ixheaacd_drc_offset,
1472
                                WORD32 num_lsb, WORD32 num_val,
1473
37.2k
                                WORD32* out_data) {
1474
37.2k
  WORD32 i = 0, lsb = 0, msb = 0;
1475
37.2k
  UWORD32 data = 0;
1476
1477
324k
  for (i = 0; i < num_val; i++) {
1478
287k
    msb = in_data_msb[i];
1479
1480
287k
    if (num_lsb > 0) {
1481
14.5k
      data = ixheaacd_read_bits_buf(it_bit_buff, num_lsb);
1482
14.5k
      lsb = data;
1483
1484
14.5k
      out_data[i] = ((msb << num_lsb) | lsb) - ixheaacd_drc_offset;
1485
14.5k
    } else
1486
273k
      out_data[i] = msb - ixheaacd_drc_offset;
1487
287k
  }
1488
1489
37.2k
  return;
1490
37.2k
}
1491
1492
WORD32 ixheaacd_mps_ecdatapairdec(ia_bit_buf_struct *it_bit_buff, WORD32 outdata[][MAXBANDS],
1493
                                  WORD32 history[MAXBANDS], WORD32 data_type, WORD32 set_idx,
1494
                                  WORD32 start_band, WORD32 data_bands, WORD32 pair_flag,
1495
                                  WORD32 coarse_flag, WORD32 diff_time_back_flag,
1496
44.1k
                                  WORD32 ld_mps_flag, WORD32 heaac_mps_present, WORD32 ec_flag) {
1497
44.1k
  WORD32 attach_lsb_flag = 0;
1498
44.1k
  WORD32 pcm_coding_flag = 0;
1499
44.1k
  WORD32 pilot_coding_flag = 0;
1500
44.1k
  WORD32 pilot_data[2] = {0, 0};
1501
44.1k
  WORD32 mixed_time_pair = 0, pcm_val = 0;
1502
44.1k
  WORD32 quant_levels = 0, quant_offset = 0;
1503
44.1k
  UWORD32 data = 0;
1504
44.1k
  WORD32 band_start = 0;
1505
1506
44.1k
  WORD32 data_pair[2][MAXBANDS] = {{0}};
1507
44.1k
  WORD32 data_diff[2][MAXBANDS] = {{0}};
1508
1509
44.1k
  WORD32 msb_state[MAXBANDS] = {0};
1510
1511
44.1k
  WORD32* data_array[2] = {NULL, NULL};
1512
1513
44.1k
  WORD32 diff_type[2] = {DIFF_FREQ, DIFF_FREQ};
1514
44.1k
  WORD32 cdg_scheme = HUFF_1D;
1515
44.1k
  WORD32 direction = BACKWARDS;
1516
1517
44.1k
  if (heaac_mps_present == 1) {
1518
19.8k
    band_start = start_band;
1519
19.8k
  }
1520
1521
44.1k
  switch (data_type) {
1522
25.8k
    case CLD:
1523
25.8k
      if (coarse_flag) {
1524
9.40k
        attach_lsb_flag = 0;
1525
9.40k
        quant_levels = 15;
1526
9.40k
        quant_offset = 7;
1527
16.4k
      } else {
1528
16.4k
        attach_lsb_flag = 0;
1529
16.4k
        quant_levels = 31;
1530
16.4k
        quant_offset = 15;
1531
16.4k
      }
1532
1533
25.8k
      break;
1534
1535
13.7k
    case ICC:
1536
13.7k
      if (coarse_flag) {
1537
5.80k
        attach_lsb_flag = 0;
1538
5.80k
        quant_levels = 4;
1539
5.80k
        quant_offset = 0;
1540
7.98k
      } else {
1541
7.98k
        attach_lsb_flag = 0;
1542
7.98k
        quant_levels = 8;
1543
7.98k
        quant_offset = 0;
1544
7.98k
      }
1545
1546
13.7k
      break;
1547
1548
3.30k
    case IPD:
1549
3.30k
      if (coarse_flag) {
1550
1.88k
        attach_lsb_flag = 0;
1551
1.88k
        quant_levels = 8;
1552
1.88k
        quant_offset = 0;
1553
1.88k
      } else {
1554
1.42k
        attach_lsb_flag = 1;
1555
1.42k
        quant_levels = 16;
1556
1.42k
        quant_offset = 0;
1557
1.42k
      }
1558
3.30k
      break;
1559
1560
1.29k
    case CPC:
1561
1.29k
      if (coarse_flag) {
1562
942
        attach_lsb_flag = 0;
1563
942
        quant_levels = 26;
1564
942
        quant_offset = 10;
1565
942
      } else {
1566
350
        attach_lsb_flag = 1;
1567
350
        quant_levels = 51;
1568
350
        quant_offset = 20;
1569
350
      }
1570
1.29k
      break;
1571
1572
0
    default:
1573
0
      break;
1574
44.1k
  }
1575
1576
44.1k
  data = ixheaacd_read_bits_buf(it_bit_buff, 1);
1577
44.1k
  pcm_coding_flag = data;
1578
1579
44.1k
  pilot_coding_flag = 0;
1580
1581
44.1k
  if (heaac_mps_present == 1) {
1582
19.8k
    if (pcm_coding_flag && data_bands > 4) {
1583
6.11k
      data = ixheaacd_read_bits_buf(it_bit_buff, 1);
1584
6.11k
      pilot_coding_flag = data;
1585
6.11k
    }
1586
19.8k
  }
1587
1588
44.1k
  if (pcm_coding_flag && !pilot_coding_flag) {
1589
19.2k
    if (pair_flag) {
1590
10.1k
      data_array[0] = data_pair[0];
1591
10.1k
      data_array[1] = data_pair[1];
1592
10.1k
      pcm_val = 2 * data_bands;
1593
10.1k
    } else {
1594
9.08k
      data_array[0] = data_pair[0];
1595
9.08k
      data_array[1] = NULL;
1596
9.08k
      pcm_val = data_bands;
1597
9.08k
    }
1598
1599
19.2k
    ixheaacd_mps_pcm_decode(it_bit_buff, data_array[0], data_array[1],
1600
19.2k
                            quant_offset, pcm_val, quant_levels);
1601
1602
24.9k
  } else {
1603
24.9k
    if (pair_flag) {
1604
12.8k
      data_array[0] = data_diff[0];
1605
12.8k
      data_array[1] = data_diff[1];
1606
12.8k
    } else {
1607
12.0k
      data_array[0] = data_diff[0];
1608
12.0k
      data_array[1] = NULL;
1609
12.0k
    }
1610
1611
24.9k
    diff_type[0] = DIFF_FREQ;
1612
24.9k
    diff_type[1] = DIFF_FREQ;
1613
1614
24.9k
    direction = BACKWARDS;
1615
1616
24.9k
    if (!pilot_coding_flag) {
1617
19.3k
      if (pair_flag || diff_time_back_flag) {
1618
15.1k
        data = ixheaacd_read_bits_buf(it_bit_buff, 1);
1619
15.1k
        diff_type[0] = data;
1620
15.1k
      }
1621
1622
19.3k
      if (pair_flag && ((diff_type[0] == DIFF_FREQ) || diff_time_back_flag)) {
1623
7.46k
        data = ixheaacd_read_bits_buf(it_bit_buff, 1);
1624
7.46k
        diff_type[1] = data;
1625
7.46k
      }
1626
19.3k
    }
1627
1628
24.9k
    if (data_bands <= 0) {
1629
184
      if (!ec_flag)
1630
184
        return -1;
1631
0
      else
1632
0
        longjmp(*(it_bit_buff->xaac_jmp_buf), IA_FATAL_ERROR);
1633
184
    }
1634
1635
24.7k
    ixheaacd_huff_decode(it_bit_buff, data_array[0], data_array[1], data_type, diff_type[0],
1636
24.7k
                         diff_type[1], pilot_coding_flag, pilot_data, data_bands, &cdg_scheme,
1637
24.7k
                         ld_mps_flag);
1638
1639
24.7k
    if (pilot_coding_flag && heaac_mps_present == 1) {
1640
5.48k
      WORD32 i;
1641
61.6k
      for (i = 0; i < data_bands; i++) {
1642
56.1k
        data_pair[0][i] = data_diff[0][i] + pilot_data[0];
1643
56.1k
      }
1644
1645
5.48k
      if (pair_flag) {
1646
52.8k
        for (i = 0; i < data_bands; i++) {
1647
48.0k
          data_pair[1][i] = data_diff[1][i] + pilot_data[0];
1648
48.0k
        }
1649
4.78k
      }
1650
19.2k
    } else {
1651
19.2k
      if ((diff_type[0] == DIFF_TIME) || (diff_type[1] == DIFF_TIME)) {
1652
7.98k
        if (pair_flag) {
1653
5.08k
          if ((diff_type[0] == DIFF_TIME) && !diff_time_back_flag) {
1654
547
            direction = FORWARDS;
1655
4.53k
          } else if (diff_type[1] == DIFF_TIME) {
1656
4.14k
            direction = BACKWARDS;
1657
4.14k
          } else {
1658
396
            data = ixheaacd_read_bits_buf(it_bit_buff, 1);
1659
396
            direction = data;
1660
396
          }
1661
5.08k
        } else {
1662
2.89k
          direction = BACKWARDS;
1663
2.89k
        }
1664
7.98k
      }
1665
1666
19.2k
      mixed_time_pair = (diff_type[0] != diff_type[1]) &&
1667
7.39k
                        ((cdg_scheme & PAIR_MASK) == TIME_PAIR);
1668
1669
19.2k
      if (direction == BACKWARDS) {
1670
18.5k
        if (diff_type[0] == DIFF_FREQ) {
1671
14.7k
          ixheaacd_diff_freq_decode(data_diff[0], data_pair[0], data_bands);
1672
14.7k
        } else {
1673
3.79k
          WORD32 i;
1674
32.4k
          for (i = 0; i < data_bands; i++) {
1675
28.6k
            msb_state[i] = history[i + band_start] + quant_offset;
1676
28.6k
            if (attach_lsb_flag) {
1677
4.31k
              msb_state[i] >>= 1;
1678
4.31k
            }
1679
28.6k
          }
1680
3.79k
          ixheaacd_mps_diff_time_dec_bwd(msb_state, data_diff[0], data_pair[0],
1681
3.79k
                                         mixed_time_pair, data_bands);
1682
3.79k
        }
1683
18.5k
        if (diff_type[1] == DIFF_FREQ) {
1684
14.3k
          ixheaacd_diff_freq_decode(data_diff[1], data_pair[1], data_bands);
1685
14.3k
        } else {
1686
4.14k
          ixheaacd_mps_diff_time_dec_bwd(data_pair[0], data_diff[1], data_pair[1],
1687
4.14k
                                         mixed_time_pair, data_bands);
1688
4.14k
        }
1689
18.5k
      } else {
1690
732
        ixheaacd_diff_freq_decode(data_diff[1], data_pair[1], data_bands);
1691
1692
732
        if (diff_type[0] == DIFF_FREQ) {
1693
0
          ixheaacd_diff_freq_decode(data_diff[0], data_pair[0], data_bands);
1694
732
        } else {
1695
732
          ixheaacd_mps_diff_time_dec_fwd(data_pair[1], data_diff[0], data_pair[0],
1696
732
                                         mixed_time_pair, data_bands);
1697
732
        }
1698
732
      }
1699
19.2k
    }
1700
24.7k
    ixheaacd_attach_lsb(it_bit_buff, data_pair[0], quant_offset,
1701
24.7k
                        attach_lsb_flag ? 1 : 0, data_bands, data_pair[0]);
1702
24.7k
    if (pair_flag) {
1703
12.5k
      ixheaacd_attach_lsb(it_bit_buff, data_pair[1], quant_offset,
1704
12.5k
                          attach_lsb_flag ? 1 : 0, data_bands, data_pair[1]);
1705
12.5k
    }
1706
24.7k
  }
1707
1708
44.0k
  memcpy(outdata[set_idx] + band_start, data_pair[0],
1709
44.0k
         sizeof(WORD32) * data_bands);
1710
44.0k
  if (pair_flag) {
1711
22.7k
    memcpy(outdata[set_idx + 1] + band_start, data_pair[1],
1712
22.7k
           sizeof(WORD32) * data_bands);
1713
22.7k
  }
1714
1715
44.0k
  return IA_NO_ERROR;
1716
44.1k
}
1717
1718
VOID ixheaacd_mps_huff_decode(ia_bit_buf_struct *it_bit_buff,
1719
3.47k
                              WORD32* out_data, WORD32 num_val) {
1720
3.47k
  WORD32 val_rcvd = 0, dummy = 0, i = 0, val = 0, len = 0;
1721
3.47k
  WORD32 rl_data[2] = {0};
1722
1723
45.8k
  while (val_rcvd < num_val) {
1724
42.3k
    ixheaacd_mps_huff_read_2d(it_bit_buff,
1725
42.3k
                              (ia_huff_node_struct)&ixheaacd_huff_reshape_nodes,
1726
42.3k
                              rl_data, &dummy);
1727
42.3k
    val = rl_data[0];
1728
42.3k
    len = rl_data[1] + 1;
1729
138k
    for (i = val_rcvd; i < val_rcvd + len; i++) {
1730
95.8k
      out_data[i] = val;
1731
95.8k
    }
1732
42.3k
    val_rcvd += len;
1733
42.3k
  }
1734
1735
3.47k
  return;
1736
3.47k
}
1737
1738
VOID ixheaacd_update_out_buffer(ia_heaac_mps_state_struct *pstr_mps_state,
1739
13.2k
                                WORD16 *out_buf) {
1740
13.2k
  WORD32 ch, sam;
1741
13.2k
  WORD32 num_output_channels_at = pstr_mps_state->num_output_channels_at;
1742
13.2k
  WORD32 frame_length = pstr_mps_state->frame_length;
1743
1744
13.2k
  WORD32 *p_time_out = pstr_mps_state->array_struct->time_out;
1745
1746
116k
  for (ch = 0; ch < num_output_channels_at; ch++) {
1747
103k
    WORD32 *time_out = p_time_out;
1748
150M
    for (sam = 0; sam < frame_length; sam++) {
1749
150M
      out_buf[sam * num_output_channels_at + ch] = (*time_out++) >> 16;
1750
150M
    }
1751
103k
    p_time_out += QBXTS;
1752
103k
  }
1753
1754
13.2k
  return;
1755
13.2k
}
1756
1757
13.2k
VOID ixheaacd_update_time_out_buffer(ia_heaac_mps_state_struct *pstr_mps_state) {
1758
13.2k
  WORD32 n;
1759
13.2k
  WORD32 up_mix_type = pstr_mps_state->up_mix_type;
1760
13.2k
  WORD32 tree_config = pstr_mps_state->tree_config;
1761
13.2k
  WORD32 lfe_gain = pstr_mps_state->lfe_gain;
1762
13.2k
  WORD32 surround_gain = pstr_mps_state->surround_gain;
1763
1764
13.2k
  if (!pstr_mps_state->bs_config.arbitrary_tree && up_mix_type != 2 && up_mix_type != 3) {
1765
13.2k
    WORD32 frame_length = pstr_mps_state->frame_length;
1766
1767
13.2k
    WORD32 *time_out_3 = pstr_mps_state->array_struct->time_out + QBXTSX3;
1768
13.2k
    WORD32 *time_out_4 = time_out_3 + QBXTS;
1769
13.2k
    WORD32 *time_out_5 = time_out_4 + QBXTS;
1770
13.2k
    WORD32 *time_out_6 = time_out_5 + QBXTS;
1771
13.2k
    WORD32 *time_out_7 = time_out_6 + QBXTS;
1772
1773
19.1M
    for (n = 0; n < frame_length; n++) {
1774
19.1M
      *time_out_3 = ixheaacd_mps_mult32_shr_15(*time_out_3, lfe_gain);
1775
19.1M
      time_out_3++;
1776
19.1M
      *time_out_4 = ixheaacd_mps_mult32_shr_15(*time_out_4, surround_gain);
1777
19.1M
      time_out_4++;
1778
19.1M
      *time_out_5 = ixheaacd_mps_mult32_shr_15(*time_out_5, surround_gain);
1779
19.1M
      time_out_5++;
1780
19.1M
    }
1781
1782
13.2k
    if (tree_config == 4 || tree_config == 6) {
1783
16.9M
      for (n = 0; n < frame_length; n++) {
1784
16.8M
        *time_out_6 = ixheaacd_mps_mult32_shr_15(*time_out_6, surround_gain);
1785
16.8M
        time_out_6++;
1786
16.8M
        *time_out_7 = ixheaacd_mps_mult32_shr_15(*time_out_7, surround_gain);
1787
16.8M
        time_out_7++;
1788
16.8M
      }
1789
10.4k
    }
1790
13.2k
  }
1791
13.2k
}
1792
1793
static IA_ERRORCODE ixheaacd_apply_frame(ia_heaac_mps_state_struct *pstr_mps_state,
1794
                                         WORD32 in_time_slots,
1795
                                         WORD32 *m_qmf_real, WORD32 *m_qmf_imag,
1796
13.5k
                                         WORD16 *out_buf) {
1797
13.5k
  IA_ERRORCODE err_code = IA_NO_ERROR;
1798
13.5k
  WORD32 ch, ts, qs;
1799
13.5k
  WORD32 *pbuf_real, *pbuf_imag, *pbuf_re, *pbuf_im;
1800
13.5k
  WORD32 *buf_real, *buf_imag;
1801
13.5k
  WORD32 *qmf_input_delay_real_2 =
1802
13.5k
      pstr_mps_state->mps_persistent_mem.qmf_input_delay_real;
1803
13.5k
  WORD32 *qmf_input_delay_imag_2 =
1804
13.5k
      pstr_mps_state->mps_persistent_mem.qmf_input_delay_imag;
1805
13.5k
  WORD32 num_input_channels = pstr_mps_state->num_input_channels;
1806
13.5k
  WORD32 qmf_bands = pstr_mps_state->qmf_bands;
1807
13.5k
  WORD32 cur_time_slot = pstr_mps_state->cur_time_slot;
1808
13.5k
  WORD32 time_slots = pstr_mps_state->time_slots;
1809
13.5k
  WORD32 qmf_input_delay_index = pstr_mps_state->qmf_input_delay_index;
1810
13.5k
  WORD32 up_mix_type = pstr_mps_state->up_mix_type;
1811
13.5k
  WORD32 residual_coding = pstr_mps_state->residual_coding;
1812
13.5k
  WORD32 arbitrary_downmix = pstr_mps_state->arbitrary_downmix;
1813
1814
13.5k
  WORD32 *qmf_input_delay_real_1, *qmf_input_delay_imag_1;
1815
13.5k
  WORD32 *qmf_input_delay_real, *qmf_input_delay_imag;
1816
1817
13.5k
  WORD32 *p_qmf_real = m_qmf_real;
1818
13.5k
  WORD32 *p_qmf_imag = m_qmf_imag;
1819
13.5k
  WORD32 *p_qmf_re, *p_qmf_im, *qmf_real, *qmf_imag;
1820
1821
13.5k
  if (cur_time_slot + in_time_slots > time_slots) {
1822
0
    if (pstr_mps_state->ec_flag)
1823
0
      cur_time_slot = time_slots - in_time_slots;
1824
0
    else
1825
0
      return IA_FATAL_ERROR;
1826
0
  }
1827
13.5k
  if (time_slots % HOP_SLOTS != 0) {
1828
9
    if (pstr_mps_state->ec_flag)
1829
0
      time_slots = time_slots - (time_slots % HOP_SLOTS);
1830
9
    else
1831
9
      return IA_XHEAAC_MPS_DEC_EXE_FATAL_INVALID_TIMESLOTS;
1832
9
  }
1833
1834
13.4k
  pbuf_real = pstr_mps_state->array_struct->buf_real;
1835
13.4k
  pbuf_imag = pstr_mps_state->array_struct->buf_imag;
1836
1837
13.4k
  if (up_mix_type == 1) {
1838
0
    for (ch = 0; ch < num_input_channels; ch++) {
1839
0
      pbuf_re = pbuf_real;
1840
0
      pbuf_im = pbuf_imag;
1841
1842
0
      p_qmf_re = p_qmf_real;
1843
0
      p_qmf_im = p_qmf_imag;
1844
1845
0
      for (ts = 0; ts < in_time_slots; ts++) {
1846
0
        buf_real = pbuf_re + (cur_time_slot + ts);
1847
0
        buf_imag = pbuf_im + (cur_time_slot + ts);
1848
1849
0
        qmf_real = p_qmf_re;
1850
0
        qmf_imag = p_qmf_im;
1851
1852
0
        for (qs = 0; qs < qmf_bands; qs++) {
1853
0
          *buf_real++ = *qmf_real++;
1854
0
          *buf_imag++ = *qmf_imag++;
1855
0
        }
1856
0
        pbuf_re += MAX_HYBRID_BANDS;
1857
0
        pbuf_im += MAX_HYBRID_BANDS;
1858
1859
0
        p_qmf_re += MAX_NUM_QMF_BANDS;
1860
0
        p_qmf_im += MAX_NUM_QMF_BANDS;
1861
0
      }
1862
0
      pbuf_real += TSXHB;
1863
0
      pbuf_imag += TSXHB;
1864
1865
0
      p_qmf_real += QBXTS;
1866
0
      p_qmf_imag += QBXTS;
1867
0
    }
1868
13.4k
  } else {
1869
81.8k
    for (ch = 0; ch < num_input_channels; ch++) {
1870
68.3k
      WORD32 offset = ch * PCXQB;
1871
68.3k
      qmf_input_delay_index = pstr_mps_state->qmf_input_delay_index;
1872
68.3k
      qmf_input_delay_real_1 = qmf_input_delay_real_2 + offset;
1873
68.3k
      qmf_input_delay_imag_1 = qmf_input_delay_imag_2 + offset;
1874
1875
68.3k
      pbuf_re = pbuf_real + cur_time_slot * MAX_HYBRID_BANDS;
1876
68.3k
      pbuf_im = pbuf_imag + cur_time_slot * MAX_HYBRID_BANDS;
1877
1878
68.3k
      p_qmf_re = p_qmf_real;
1879
68.3k
      p_qmf_im = p_qmf_imag;
1880
1881
2.01M
      for (ts = 0; ts < in_time_slots; ts++) {
1882
1.94M
        WORD32 off_set = qmf_input_delay_index * MAX_NUM_QMF_BANDS;
1883
1.94M
        qmf_input_delay_real = qmf_input_delay_real_1 + off_set;
1884
1.94M
        qmf_input_delay_imag = qmf_input_delay_imag_1 + off_set;
1885
1886
1.94M
        buf_real = pbuf_re;
1887
1.94M
        buf_imag = pbuf_im;
1888
1889
1.94M
        qmf_real = p_qmf_re;
1890
1.94M
        qmf_imag = p_qmf_im;
1891
1892
107M
        for (qs = 0; qs < qmf_bands; qs++) {
1893
105M
          {
1894
105M
            *buf_real++ = *qmf_input_delay_real;
1895
105M
            *buf_imag++ = *qmf_input_delay_imag;
1896
1897
105M
            *qmf_input_delay_real++ = *qmf_real++;
1898
105M
            *qmf_input_delay_imag++ = *qmf_imag++;
1899
105M
          }
1900
105M
        }
1901
1902
1.94M
        qmf_input_delay_index++;
1903
1904
1.94M
        if (qmf_input_delay_index == PC_FILTERDELAY) {
1905
385k
          qmf_input_delay_index = 0;
1906
385k
        }
1907
1.94M
        pbuf_re += MAX_HYBRID_BANDS;
1908
1.94M
        pbuf_im += MAX_HYBRID_BANDS;
1909
1910
1.94M
        p_qmf_re += MAX_NUM_QMF_BANDS;
1911
1.94M
        p_qmf_im += MAX_NUM_QMF_BANDS;
1912
1.94M
      }
1913
68.3k
      pbuf_real += TSXHB;
1914
68.3k
      pbuf_imag += TSXHB;
1915
1916
68.3k
      p_qmf_real += QBXTS;
1917
68.3k
      p_qmf_imag += QBXTS;
1918
68.3k
    }
1919
13.4k
    pstr_mps_state->qmf_input_delay_index = qmf_input_delay_index;
1920
13.4k
  }
1921
1922
13.4k
  pstr_mps_state->cur_time_slot += in_time_slots;
1923
13.4k
  cur_time_slot = pstr_mps_state->cur_time_slot;
1924
1925
13.4k
  if (pstr_mps_state->cur_time_slot < time_slots) {
1926
0
    if (pstr_mps_state->ec_flag) {
1927
0
      pstr_mps_state->cur_time_slot = time_slots;
1928
0
    } else
1929
0
      return IA_FATAL_ERROR;
1930
0
  }
1931
1932
13.4k
  pstr_mps_state->cur_time_slot = 0;
1933
1934
13.4k
  err_code = ixheaacd_decode_frame(pstr_mps_state);
1935
13.4k
  if (err_code != IA_NO_ERROR) return err_code;
1936
1937
13.2k
  ixheaacd_mdct_2_qmf(pstr_mps_state);
1938
1939
13.2k
  ixheaacd_hybrid_qmf_analysis(pstr_mps_state);
1940
1941
13.2k
  if (residual_coding || (arbitrary_downmix == 2)) {
1942
533
    ixheaacd_update_buffers(pstr_mps_state);
1943
533
  }
1944
1945
13.2k
  if (up_mix_type == 1) {
1946
0
    ixheaacd_apply_blind(pstr_mps_state);
1947
0
  }
1948
1949
13.2k
  ixheaacd_calc_m1m2(pstr_mps_state);
1950
1951
13.2k
  ixheaacd_smooth_m1m2(pstr_mps_state);
1952
1953
13.2k
  ixheaacd_mps_apply_m1(pstr_mps_state);
1954
1955
13.2k
  ixheaacd_buffer_m1(pstr_mps_state);
1956
1957
13.2k
  if (up_mix_type != 2) {
1958
13.2k
    if (pstr_mps_state->temp_shape_config == 2) {
1959
7.08k
      ixheaacd_pre_reshape_bb_env(pstr_mps_state);
1960
7.08k
    }
1961
13.2k
  }
1962
1963
13.2k
  ixheaacd_create_w(pstr_mps_state);
1964
1965
13.2k
  ixheaacd_apply_m2(pstr_mps_state);
1966
1967
13.2k
  ixheaacd_buffer_m2(pstr_mps_state);
1968
1969
13.2k
  if (up_mix_type != 2) {
1970
13.2k
    if (pstr_mps_state->temp_shape_config == 2) {
1971
7.08k
      ixheaacd_reshape_bb_env(pstr_mps_state);
1972
7.08k
    }
1973
13.2k
  }
1974
1975
13.2k
  ixheaacd_tp_process(pstr_mps_state);
1976
1977
13.2k
  ixheaacd_update_time_out_buffer(pstr_mps_state);
1978
1979
13.2k
  ixheaacd_update_out_buffer(pstr_mps_state, out_buf);
1980
1981
13.2k
  pstr_mps_state->parse_next_bitstream_frame = 1;
1982
1983
13.2k
  return IA_NO_ERROR;
1984
13.4k
}
1985
1986
IA_ERRORCODE ixheaacd_heaac_mps_apply(ia_exhaacplus_dec_api_struct *self,
1987
                                      WORD16 *output_buf, UWORD8 *mps_buffer,
1988
14.0k
                                      WORD32 mps_bytes) {
1989
14.0k
  ia_heaac_mps_state_struct *pstr_mps_state =
1990
14.0k
      &self->p_state_aac->heaac_mps_handle;
1991
14.0k
  IA_ERRORCODE error_code = IA_NO_ERROR;
1992
14.0k
  WORD32 n_channels, n_time_slots, qmf_bands, channel;
1993
14.0k
  ia_heaac_mps_state_struct *curr_state = pstr_mps_state;
1994
1995
14.0k
  WORD32 *p_qmf_real = pstr_mps_state->array_struct->m_qmf_real;
1996
14.0k
  WORD32 *p_qmf_imag = pstr_mps_state->array_struct->m_qmf_imag;
1997
14.0k
  WORD32 buffer_size = mps_bytes;
1998
1999
14.0k
  if (self->p_state_aac->heaac_mps_handle.is_first == 1) {
2000
10.2k
    self->p_state_aac->heaac_mps_handle.is_first = 1;
2001
10.2k
    if (pstr_mps_state->bytes_remaining != 0) {
2002
8.76k
      buffer_size = mps_bytes + pstr_mps_state->bytes_remaining;
2003
8.76k
      if (buffer_size > 1024) {
2004
12
        return IA_FATAL_ERROR;
2005
12
      }
2006
138k
      for (WORD32 ii = 0; ii < mps_bytes; ii++) {
2007
129k
        pstr_mps_state->temp_buf[ii + pstr_mps_state->bytes_remaining] =
2008
129k
            mps_buffer[ii];
2009
129k
      }
2010
2011
8.74k
      pstr_mps_state->ptr_mps_bit_buff = ixheaacd_create_bit_buf(
2012
8.74k
          &pstr_mps_state->mps_bit_buf, (UWORD8 *)pstr_mps_state->temp_buf,
2013
8.74k
          buffer_size);
2014
8.74k
      pstr_mps_state->ptr_mps_bit_buff->xaac_jmp_buf =
2015
8.74k
          &self->p_state_aac->xaac_jmp_buf;
2016
2017
8.74k
      pstr_mps_state->ptr_mps_bit_buff->cnt_bits += (8 * buffer_size);
2018
8.74k
    } else {
2019
1.45k
      memcpy(pstr_mps_state->temp_buf, mps_buffer, mps_bytes);
2020
1.45k
      buffer_size = mps_bytes;
2021
1.45k
      pstr_mps_state->ptr_mps_bit_buff = ixheaacd_create_bit_buf(
2022
1.45k
          &pstr_mps_state->mps_bit_buf, (UWORD8 *)mps_buffer, buffer_size);
2023
1.45k
      pstr_mps_state->ptr_mps_bit_buff->cnt_bits += (8 * buffer_size);
2024
2025
1.45k
      pstr_mps_state->ptr_mps_bit_buff->xaac_jmp_buf =
2026
1.45k
          &self->p_state_aac->xaac_jmp_buf;
2027
1.45k
    }
2028
10.2k
  }
2029
2030
14.0k
  if (curr_state->num_input_channels > 2 && pstr_mps_state->mps_with_sbr == 1) {
2031
0
    if (pstr_mps_state->ec_flag) {
2032
0
      curr_state->num_input_channels = 2;
2033
0
      pstr_mps_state->frame_ok = 0;
2034
0
    } else {
2035
0
      return IA_FATAL_ERROR;
2036
0
    }
2037
0
  }
2038
2039
14.0k
  n_channels = curr_state->num_input_channels;
2040
14.0k
  n_time_slots = curr_state->time_slots;
2041
14.0k
  qmf_bands = curr_state->qmf_bands;
2042
2043
14.0k
  if (pstr_mps_state->mps_decode == 1) {
2044
14.0k
    if (pstr_mps_state->mps_with_sbr) {
2045
2.36k
      for (channel = 0; channel < n_channels; channel++) {
2046
1.56k
        WORD32 kk = 0;
2047
1.56k
        if (self->aac_config.ui_enh_sbr)
2048
1.56k
        {
2049
29.5k
          for (WORD32 ii = 0; ii < n_time_slots; ii++) {
2050
27.9k
            FLOAT32 *qmf_re = self->p_state_aac->str_sbr_dec_info[0]
2051
27.9k
                ->pstr_sbr_channel[channel]->str_sbr_dec.pp_qmf_buf_real[ii];
2052
27.9k
            FLOAT32 *qmf_im = self->p_state_aac->str_sbr_dec_info[0]
2053
27.9k
                ->pstr_sbr_channel[channel]->str_sbr_dec.pp_qmf_buf_imag[ii];
2054
2055
928k
            for (WORD32 jj = 0; jj < qmf_bands; jj++) {
2056
900k
              p_qmf_real[kk] = ixheaacd_mps_mult32_shr_15(
2057
900k
                  curr_state->clip_protect_gain, (WORD32)(qmf_re[jj] * 1024));
2058
900k
              p_qmf_imag[kk++] = ixheaacd_mps_mult32_shr_15(
2059
900k
                  curr_state->clip_protect_gain, (WORD32)(qmf_im[jj] * 1024));
2060
900k
            }
2061
27.9k
          }
2062
1.56k
        }
2063
0
        else
2064
0
        {
2065
0
          for (WORD32 ii = 0; ii < n_time_slots; ii++) {
2066
0
            WORD32 *qmf_re = self->p_state_aac->str_sbr_dec_info[0]
2067
0
                ->pstr_sbr_channel[channel]->str_sbr_dec.p_arr_qmf_buf_real[ii];
2068
0
            WORD32 *qmf_im = self->p_state_aac->str_sbr_dec_info[0]
2069
0
                ->pstr_sbr_channel[channel]->str_sbr_dec.p_arr_qmf_buf_imag[ii];
2070
2071
0
            for (WORD32 jj = 0; jj < qmf_bands; jj++) {
2072
0
              p_qmf_real[kk] = ixheaacd_mps_mult32_shr_15(
2073
0
                  curr_state->clip_protect_gain, qmf_re[jj] * 256);
2074
0
              p_qmf_imag[kk++] = ixheaacd_mps_mult32_shr_15(
2075
0
                  curr_state->clip_protect_gain, qmf_im[jj] * 256);
2076
0
            }
2077
0
          }
2078
0
        }
2079
1.56k
        p_qmf_real += QBXTS;
2080
1.56k
        p_qmf_imag += QBXTS;
2081
1.56k
      }
2082
13.2k
    } else {
2083
81.2k
      for (channel = 0; channel < n_channels; channel++) {
2084
67.9k
        ixheaacd_calc_ana_filt_bank(pstr_mps_state, output_buf, p_qmf_real,
2085
67.9k
                                    p_qmf_imag, channel);
2086
2087
67.9k
        p_qmf_real += QBXTS;
2088
67.9k
        p_qmf_imag += QBXTS;
2089
67.9k
      }
2090
13.2k
    }
2091
14.0k
    if (!pstr_mps_state->ec_flag && pstr_mps_state->frame_ok) {
2092
14.0k
      error_code = ixheaacd_parse_frame(pstr_mps_state);
2093
14.0k
      if (error_code != IA_NO_ERROR) return error_code;
2094
14.0k
    }
2095
2096
13.8k
    if (!pstr_mps_state->first_frame || !pstr_mps_state->ec_flag) {
2097
13.5k
      error_code = ixheaacd_apply_frame(pstr_mps_state, n_time_slots,
2098
13.5k
                                        pstr_mps_state->array_struct->m_qmf_real,
2099
13.5k
                                        pstr_mps_state->array_struct->m_qmf_imag, output_buf);
2100
13.5k
      if (error_code != IA_NO_ERROR) return error_code;
2101
13.5k
    }
2102
13.6k
    if (error_code == 0 && pstr_mps_state->ec_flag && pstr_mps_state->frame_ok) {
2103
0
      error_code = ixheaacd_parse_frame(pstr_mps_state);
2104
0
      if (error_code != IA_NO_ERROR) {
2105
0
        pstr_mps_state->frame_ok = 0;
2106
0
      }
2107
0
    }
2108
2109
13.6k
    pstr_mps_state->i_bytes_consumed_mps =
2110
13.6k
        (WORD32)(pstr_mps_state->ptr_mps_bit_buff->ptr_read_next -
2111
13.6k
                 pstr_mps_state->ptr_mps_bit_buff->ptr_bit_buf_base);
2112
2113
13.6k
    pstr_mps_state->bytes_remaining =
2114
13.6k
        buffer_size - pstr_mps_state->i_bytes_consumed_mps;
2115
13.6k
    if (pstr_mps_state->bytes_remaining < 0)
2116
411
    {
2117
411
      if (pstr_mps_state->ec_flag)
2118
0
      {
2119
0
        pstr_mps_state->bytes_remaining = 0;
2120
0
        pstr_mps_state->frame_ok = 0;
2121
0
      }
2122
411
      else
2123
411
      {
2124
411
        return IA_FATAL_ERROR;
2125
411
      }
2126
411
    }
2127
2128
13.2k
    if (pstr_mps_state->bytes_remaining != 0) {
2129
693k
      for (WORD32 ii = 0; ii < pstr_mps_state->bytes_remaining; ii++) {
2130
682k
        pstr_mps_state->temp_buf[ii] =
2131
682k
            pstr_mps_state->temp_buf[ii + pstr_mps_state->i_bytes_consumed_mps];
2132
682k
      }
2133
10.8k
    }
2134
13.2k
  }
2135
13.2k
  self->p_state_aac->heaac_mps_handle.is_first = 1;
2136
13.2k
  self->p_state_aac->heaac_mps_handle.first_frame = 0;
2137
2138
13.2k
  return error_code;
2139
14.0k
}