Line data Source code
1 : /******************************************************************************************************
2 :
3 : (C) 2022-2025 IVAS codec Public Collaboration with portions copyright Dolby International AB, Ericsson AB,
4 : Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V., Huawei Technologies Co. LTD.,
5 : Koninklijke Philips N.V., Nippon Telegraph and Telephone Corporation, Nokia Technologies Oy, Orange,
6 : Panasonic Holdings Corporation, Qualcomm Technologies, Inc., VoiceAge Corporation, and other
7 : contributors to this repository. All Rights Reserved.
8 :
9 : This software is protected by copyright law and by international treaties.
10 : The IVAS codec Public Collaboration consisting of Dolby International AB, Ericsson AB,
11 : Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V., Huawei Technologies Co. LTD.,
12 : Koninklijke Philips N.V., Nippon Telegraph and Telephone Corporation, Nokia Technologies Oy, Orange,
13 : Panasonic Holdings Corporation, Qualcomm Technologies, Inc., VoiceAge Corporation, and other
14 : contributors to this repository retain full ownership rights in their respective contributions in
15 : the software. This notice grants no license of any kind, including but not limited to patent
16 : license, nor is any license granted by implication, estoppel or otherwise.
17 :
18 : Contributors are required to enter into the IVAS codec Public Collaboration agreement before making
19 : contributions.
20 :
21 : This software is provided "AS IS", without any express or implied warranties. The software is in the
22 : development stage. It is intended exclusively for experts who have experience with such software and
23 : solely for the purpose of inspection. All implied warranties of non-infringement, merchantability
24 : and fitness for a particular purpose are hereby disclaimed and excluded.
25 :
26 : Any dispute, controversy or claim arising under or in relation to providing this software shall be
27 : submitted to and settled by the final, binding jurisdiction of the courts of Munich, Germany in
28 : accordance with the laws of the Federal Republic of Germany excluding its conflict of law rules and
29 : the United Nations Convention on Contracts on the International Sales of Goods.
30 :
31 : *******************************************************************************************************/
32 :
33 : #include <stdint.h>
34 : #include "options.h"
35 : #include "math.h"
36 : #include "prot_fx.h"
37 : #include "ivas_rom_com.h"
38 : #include <assert.h>
39 : #include "wmc_auto.h"
40 : #include "ivas_stat_dec.h"
41 : #include "ivas_prot_fx.h"
42 : #include "ivas_rom_com_fx.h"
43 :
44 : /*------------------------------------------------------------------------------------------*
45 : * Local constants
46 : *------------------------------------------------------------------------------------------*/
47 :
48 : #define IVAS_DEFAULT_DTX_CNG_RAMP ( 8 )
49 :
50 : /* PLC constants */
51 : static const Word16 ivas_spar_dec_plc_num_frames_keep = 9;
52 : // static const Word16 ivas_spar_dec_plc_num_frames_fade_out = 9;
53 : static const Word16 ivas_spar_dec_plc_per_frame_ramp_down_gain_dB = 3;
54 : static const Word16 ivas_spar_dec_plc_max_num_frames_ramp_down = 33;
55 : static const Word16 ivas_spar_dec_plc_spatial_target[IVAS_SPAR_MAX_CH] = { 1, 0, 0, 0, 0, 0, 0, 0 };
56 :
57 :
58 : /*------------------------------------------------------------------------------------------*
59 : * Static functions declaration
60 : *------------------------------------------------------------------------------------------*/
61 :
62 : static void ivas_get_spar_matrices_fx( ivas_spar_md_dec_state_t *hMdDec, const Word16 num_bands_out, const Word16 n_ts, const Word16 bw, const Word16 dtx_vad, const Word16 nB, const Word16 numch_out, const Word16 active_w_vlbr, const Word16 dyn_active_w_flag );
63 : static void ivas_decode_arith_bs( ivas_spar_md_dec_state_t *hMdDec, Decoder_State *st, const UWord16 qsi, const Word16 nB, const Word16 bands_bw, Word16 *pDo_diff, const Word16 strat, const Word32 ivas_total_brate );
64 :
65 : static void ivas_decode_huffman_bs( ivas_spar_md_dec_state_t *hMdDec, Decoder_State *st, const UWord16 qsi, const Word16 nB, const Word16 bands_bw );
66 :
67 : static void ivas_fill_band_coeffs_idx( ivas_band_coeffs_ind_t *pBands_idx, const Word16 nB, Word16 *pSymbol_re, ivas_cell_dim_t *pCell_dims, ivas_coeffs_type_t coeff_type );
68 :
69 : static void ivas_mat_col_rearrange_fx( Word32 in_re[IVAS_SPAR_MAX_CH][IVAS_SPAR_MAX_CH], const Word16 order[IVAS_SPAR_MAX_CH], const Word16 i_ts, Word32 ***mixer_mat, const Word16 bands, const Word16 num_ch );
70 :
71 : static void ivas_spar_dec_compute_ramp_down_post_matrix_fx( ivas_spar_md_dec_state_t *hMdDec, const Word16 num_bands, const Word16 bfi, const Word16 num_md_sub_frames );
72 :
73 : static void ivas_spar_md_fill_invalid_bands_fx( ivas_spar_dec_matrices_t *pSpar_coeffs, ivas_spar_dec_matrices_t *pSpar_coeffs_prev, const Word16 *valid_bands, Word16 *base_band_age, const Word16 num_bands, const Word16 num_channels, const Word16 num_md_sub_frames );
74 :
75 : static void ivas_spar_md_fill_invalid_bandcoeffs( ivas_band_coeffs_t *pBand_coeffs, ivas_band_coeffs_t *pBand_coeffs_prev, const Word16 *valid_bands, Word16 *base_band_age, Word16 *first_valid_frame, const Word16 num_bands );
76 :
77 : static ivas_error ivas_spar_set_dec_config( ivas_spar_md_dec_state_t *hMdDec, const Word16 nchan_transport, Word32 *pFC );
78 :
79 : static void ivas_parse_parameter_bitstream_dtx( ivas_spar_md_t *pSpar_md, Decoder_State *st, const Word16 bw, const Word16 num_bands, Word16 *num_dmx_per_band, Word16 *num_dec_per_band );
80 :
81 : static ivas_error ivas_deindex_real_index_fx( const Word16 *index, const Word16 q_levels, const Word32 min_value, const Word32 max_value, Word32 *quant, const Word16 num_ch_dim2 );
82 :
83 : static void ivas_spar_dec_parse_md_bs_fx( ivas_spar_md_dec_state_t *hMdDec, Decoder_State *st, Word16 *nB, Word16 *bands_bw, Word16 *dtx_vad, const Word32 ivas_total_brate, const Word16 sba_inactive_mode );
84 :
85 :
86 1514 : ivas_error ivas_spar_md_dec_matrix_open_fx(
87 : ivas_spar_md_dec_state_t *hMdDec, /* i/o: SPAR MD decoder handle */
88 : const Word16 num_channels, /* i : number of internal channels Q0*/
89 : const Word16 num_md_sub_frames /* i : number of MD subframes Q0*/
90 : )
91 : {
92 : Word16 i, j;
93 : Word16 k;
94 1514 : IF( ( hMdDec->spar_md.band_coeffs = (ivas_band_coeffs_t *) malloc( i_mult( i_mult( IVAS_MAX_NUM_BANDS, num_md_sub_frames ), sizeof( ivas_band_coeffs_t ) ) ) ) == NULL )
95 : {
96 0 : return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for band_coeffs in SPAR MD" );
97 : }
98 1514 : IF( ( hMdDec->band_coeffs_prev = (ivas_band_coeffs_t *) malloc( IVAS_MAX_NUM_BANDS * sizeof( ivas_band_coeffs_t ) ) ) == NULL )
99 : {
100 0 : return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for band_coeffs in SPAR MD" );
101 : }
102 1514 : IF( ( hMdDec->mixer_mat_fx = (Word32 ***) malloc( i_mult( num_channels, sizeof( Word32 ** ) ) ) ) == NULL )
103 : {
104 0 : return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for SPAR MD matrix" );
105 : }
106 8684 : FOR( i = 0; i < num_channels; i++ )
107 : {
108 7170 : IF( ( hMdDec->mixer_mat_fx[i] = (Word32 **) malloc( i_mult( num_channels, sizeof( Word32 * ) ) ) ) == NULL )
109 : {
110 0 : return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for SPAR MD matrix" );
111 : }
112 46186 : FOR( j = 0; j < num_channels; j++ )
113 : {
114 39016 : IF( ( hMdDec->mixer_mat_fx[i][j] = (Word32 *) malloc( i_mult( i_mult( num_md_sub_frames, IVAS_MAX_NUM_BANDS ), sizeof( Word32 ) ) ) ) == NULL )
115 : {
116 0 : return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for SPAR MD matrix" );
117 : }
118 : }
119 : }
120 :
121 1514 : IF( ( hMdDec->spar_coeffs.C_re_fx = (Word32 ***) malloc( i_mult( num_channels, sizeof( Word32 ** ) ) ) ) == NULL )
122 : {
123 0 : return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for SPAR MD matrix" );
124 : }
125 8684 : FOR( i = 0; i < num_channels; i++ )
126 : {
127 7170 : IF( ( hMdDec->spar_coeffs.C_re_fx[i] = (Word32 **) malloc( i_mult( num_channels, sizeof( Word32 * ) ) ) ) == NULL )
128 : {
129 0 : return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for SPAR MD matrix" );
130 : }
131 46186 : FOR( j = 0; j < num_channels; j++ )
132 : {
133 39016 : IF( ( hMdDec->spar_coeffs.C_re_fx[i][j] = (Word32 *) malloc( i_mult( i_mult( num_md_sub_frames, IVAS_MAX_NUM_BANDS ), sizeof( Word32 ) ) ) ) == NULL )
134 : {
135 0 : return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for SPAR MD matrix" );
136 : }
137 : }
138 : }
139 :
140 1514 : IF( ( hMdDec->spar_coeffs.P_re_fx = (Word32 ***) malloc( i_mult( num_channels, sizeof( Word32 ** ) ) ) ) == NULL )
141 : {
142 0 : return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for SPAR MD matrix" );
143 : }
144 8684 : FOR( i = 0; i < num_channels; i++ )
145 : {
146 7170 : IF( ( hMdDec->spar_coeffs.P_re_fx[i] = (Word32 **) malloc( i_mult( num_channels, sizeof( Word32 * ) ) ) ) == NULL )
147 : {
148 0 : return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for SPAR MD matrix" );
149 : }
150 46186 : FOR( j = 0; j < num_channels; j++ )
151 : {
152 39016 : IF( ( hMdDec->spar_coeffs.P_re_fx[i][j] = (Word32 *) malloc( i_mult( num_md_sub_frames, IVAS_MAX_NUM_BANDS * sizeof( Word32 ) ) ) ) == NULL )
153 : {
154 0 : return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for SPAR MD matrix" );
155 : }
156 : }
157 : }
158 :
159 1514 : IF( ( hMdDec->spar_coeffs_prev.C_re_fx = (Word32 ***) malloc( i_mult( num_channels, sizeof( Word32 ** ) ) ) ) == NULL )
160 : {
161 0 : return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for SPAR MD matrix" );
162 : }
163 8684 : FOR( i = 0; i < num_channels; i++ )
164 : {
165 7170 : IF( ( hMdDec->spar_coeffs_prev.C_re_fx[i] = (Word32 **) malloc( i_mult( num_channels, sizeof( Word32 * ) ) ) ) == NULL )
166 : {
167 0 : return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for SPAR MD matrix" );
168 : }
169 46186 : FOR( j = 0; j < num_channels; j++ )
170 : {
171 39016 : IF( ( hMdDec->spar_coeffs_prev.C_re_fx[i][j] = (Word32 *) malloc( IVAS_MAX_NUM_BANDS * sizeof( Word32 ) ) ) == NULL )
172 : {
173 0 : return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for SPAR MD matrix" );
174 : }
175 : }
176 : }
177 :
178 1514 : IF( ( hMdDec->spar_coeffs_prev.P_re_fx = (Word32 ***) malloc( i_mult( num_channels, sizeof( Word32 ** ) ) ) ) == NULL )
179 : {
180 0 : return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for SPAR MD matrix" );
181 : }
182 8684 : FOR( i = 0; i < num_channels; i++ )
183 : {
184 7170 : IF( ( hMdDec->spar_coeffs_prev.P_re_fx[i] = (Word32 **) malloc( i_mult( num_channels, sizeof( Word32 * ) ) ) ) == NULL )
185 : {
186 0 : return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for SPAR MD matrix" );
187 : }
188 46186 : FOR( j = 0; j < num_channels; j++ )
189 : {
190 39016 : IF( ( hMdDec->spar_coeffs_prev.P_re_fx[i][j] = (Word32 *) malloc( IVAS_MAX_NUM_BANDS * sizeof( Word32 ) ) ) == NULL )
191 : {
192 0 : return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for SPAR MD matrix" );
193 : }
194 : }
195 : }
196 1514 : IF( ( hMdDec->spar_coeffs_tar.C_re_fx = (Word32 ***) malloc( i_mult( num_channels, sizeof( Word32 ** ) ) ) ) == NULL )
197 : {
198 0 : return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for SPAR MD matrix" );
199 : }
200 8684 : FOR( i = 0; i < num_channels; i++ )
201 : {
202 7170 : IF( ( hMdDec->spar_coeffs_tar.C_re_fx[i] = (Word32 **) malloc( i_mult( num_channels, sizeof( Word32 * ) ) ) ) == NULL )
203 : {
204 0 : return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for SPAR MD matrix" );
205 : }
206 46186 : FOR( j = 0; j < num_channels; j++ )
207 : {
208 39016 : IF( ( hMdDec->spar_coeffs_tar.C_re_fx[i][j] = (Word32 *) malloc( IVAS_MAX_NUM_BANDS * sizeof( Word32 ) ) ) == NULL )
209 : {
210 0 : return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for SPAR MD matrix" );
211 : }
212 : }
213 : }
214 1514 : IF( ( hMdDec->spar_coeffs_tar.P_re_fx = (Word32 ***) malloc( i_mult( num_channels, sizeof( Word32 ** ) ) ) ) == NULL )
215 : {
216 0 : return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for SPAR MD matrix" );
217 : }
218 8684 : FOR( i = 0; i < num_channels; i++ )
219 : {
220 7170 : IF( ( hMdDec->spar_coeffs_tar.P_re_fx[i] = (Word32 **) malloc( i_mult( num_channels, sizeof( Word32 * ) ) ) ) == NULL )
221 : {
222 0 : return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for SPAR MD matrix" );
223 : }
224 46186 : FOR( j = 0; j < num_channels; j++ )
225 : {
226 39016 : IF( ( hMdDec->spar_coeffs_tar.P_re_fx[i][j] = (Word32 *) malloc( IVAS_MAX_NUM_BANDS * sizeof( Word32 ) ) ) == NULL )
227 : {
228 0 : return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for SPAR MD matrix" );
229 : }
230 : }
231 : }
232 :
233 8684 : FOR( i = 0; i < num_channels; i++ )
234 : {
235 46186 : FOR( j = 0; j < num_channels; j++ )
236 : {
237 507208 : FOR( k = 0; k < IVAS_MAX_NUM_BANDS; k++ )
238 : {
239 468192 : hMdDec->spar_coeffs_prev.C_re_fx[i][j][k] = 0;
240 468192 : move32();
241 468192 : hMdDec->spar_coeffs_prev.P_re_fx[i][j][k] = 0;
242 468192 : move32();
243 468192 : hMdDec->spar_coeffs_tar.C_re_fx[i][j][k] = 0;
244 468192 : move32();
245 468192 : hMdDec->spar_coeffs_tar.P_re_fx[i][j][k] = 0;
246 468192 : move32();
247 : }
248 : }
249 : }
250 :
251 1514 : return IVAS_ERR_OK;
252 : }
253 :
254 : /*-------------------------------------------------------------------------
255 : * ivas_get_spar_dec_md_num_subframes()
256 : *
257 : * return number of MD subframes
258 : *------------------------------------------------------------------------*/
259 :
260 : /*! r: number of MD subframes */
261 1457989 : Word16 ivas_get_spar_dec_md_num_subframes(
262 : const Word16 sba_order, /* i : Ambisonic (SBA) order Q0*/
263 : const Word32 ivas_total_brate, /* i : IVAS total bitrate Q0*/
264 : const Word32 ivas_last_active_brate /* i : IVAS last active bitrate Q0*/
265 : )
266 : {
267 : Word16 num_subframes;
268 :
269 1457989 : num_subframes = MAX_PARAM_SPATIAL_SUBFRAMES;
270 1457989 : move16();
271 1457989 : IF( GT_16( sba_order, SBA_FOA_ORDER ) )
272 : {
273 326684 : if ( GE_32( ivas_total_brate, IVAS_512k ) )
274 : {
275 68402 : num_subframes = 1;
276 68402 : move16();
277 : }
278 : }
279 :
280 1457989 : test();
281 1457989 : test();
282 1457989 : test();
283 1457989 : if ( ( LE_32( ivas_total_brate, IVAS_SID_5k2 ) && LT_32( ivas_last_active_brate, IVAS_24k4 ) ) || ( GT_32( ivas_total_brate, IVAS_SID_5k2 ) && LT_32( ivas_total_brate, IVAS_24k4 ) ) )
284 : {
285 119952 : num_subframes = 1;
286 119952 : move16();
287 : }
288 :
289 1457989 : return ( num_subframes ); /*Q0*/
290 : }
291 :
292 :
293 : /*-------------------------------------------------------------------------
294 : * ivas_spar_md_dec_open()
295 : *
296 : * Allocate and initialize SPAR MD decoder handle
297 : *------------------------------------------------------------------------*/
298 :
299 1476 : ivas_error ivas_spar_md_dec_open(
300 : ivas_spar_md_dec_state_t **hMdDec_out, /* i/o: SPAR MD decoder handle */
301 : const DECODER_CONFIG_HANDLE hDecoderConfig, /* i : configuration structure */
302 : const Word16 num_channels, /* i : number of internal channels Q0*/
303 : const Word16 sba_order, /* i : SBA order Q0*/
304 : const Word16 sid_format, /* i : SID format Q0*/
305 : const Word32 last_active_ivas_total_brate /* i : IVAS last active bitrate Q0*/
306 : )
307 : {
308 : ivas_spar_md_dec_state_t *hMdDec;
309 : ivas_error error;
310 : Word16 num_md_sub_frames;
311 :
312 1476 : error = IVAS_ERR_OK;
313 1476 : move32();
314 :
315 1476 : IF( ( hMdDec = (ivas_spar_md_dec_state_t *) malloc( sizeof( ivas_spar_md_dec_state_t ) ) ) == NULL )
316 : {
317 0 : return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for SPAR MD decoder" );
318 : }
319 :
320 1476 : num_md_sub_frames = ivas_get_spar_dec_md_num_subframes( sba_order, hDecoderConfig->ivas_total_brate, last_active_ivas_total_brate ); /*Q0*/
321 :
322 1476 : IF( NE_32( ( error = ivas_spar_md_dec_matrix_open_fx( hMdDec, num_channels, num_md_sub_frames ) ), IVAS_ERR_OK ) )
323 : {
324 0 : return error;
325 : }
326 :
327 1476 : IF( EQ_32( hDecoderConfig->ivas_total_brate, IVAS_SID_5k2 ) )
328 : {
329 0 : IF( EQ_16( sid_format, SID_SBA_2TC ) )
330 : {
331 0 : hMdDec->table_idx = ivas_get_spar_table_idx_fx( IVAS_48k, sba_order, SPAR_CONFIG_BW, NULL, NULL ); /*Q0*/
332 0 : move16();
333 : }
334 : ELSE
335 : {
336 0 : hMdDec->table_idx = ivas_get_spar_table_idx_fx( IVAS_24k4, sba_order, SPAR_CONFIG_BW, NULL, NULL );
337 0 : move16();
338 : }
339 : }
340 : ELSE
341 : {
342 1476 : hMdDec->table_idx = ivas_get_spar_table_idx_fx( hDecoderConfig->ivas_total_brate, sba_order, SPAR_CONFIG_BW, NULL, NULL );
343 1476 : move16();
344 : }
345 :
346 1476 : IF( NE_32( ( error = ivas_spar_md_dec_init( hMdDec, hDecoderConfig, num_channels, sba_order ) ), IVAS_ERR_OK ) )
347 : {
348 0 : return error;
349 : }
350 :
351 1476 : *hMdDec_out = hMdDec;
352 :
353 1476 : return error;
354 : }
355 :
356 :
357 : /*-------------------------------------------------------------------------
358 : * ivas_spar_md_dec_matrix_close()
359 : *
360 : * Deallocate SPAR MD decoder matrices
361 : *------------------------------------------------------------------------*/
362 :
363 1514 : void ivas_spar_md_dec_matrix_close_fx(
364 : ivas_spar_md_dec_state_t *hMdDecoder, /* i/o: SPAR MD decoder handle */
365 : const Word16 num_channels /* i : number of internal channels Q0*/
366 : )
367 : {
368 : Word16 i, j;
369 :
370 1514 : IF( hMdDecoder->spar_md.band_coeffs != NULL )
371 : {
372 1514 : free( hMdDecoder->spar_md.band_coeffs );
373 1514 : hMdDecoder->spar_md.band_coeffs = NULL;
374 : }
375 1514 : IF( hMdDecoder->band_coeffs_prev != NULL )
376 : {
377 1514 : free( hMdDecoder->band_coeffs_prev );
378 1514 : hMdDecoder->band_coeffs_prev = NULL;
379 : }
380 :
381 1514 : IF( hMdDecoder->mixer_mat_fx != NULL )
382 : {
383 8684 : FOR( i = 0; i < num_channels; i++ )
384 : {
385 46186 : FOR( j = 0; j < num_channels; j++ )
386 : {
387 39016 : free( hMdDecoder->mixer_mat_fx[i][j] );
388 : }
389 7170 : free( hMdDecoder->mixer_mat_fx[i] );
390 : }
391 1514 : free( hMdDecoder->mixer_mat_fx );
392 : }
393 1514 : IF( hMdDecoder->spar_coeffs.C_re_fx != NULL )
394 : {
395 8684 : FOR( i = 0; i < num_channels; i++ )
396 : {
397 46186 : FOR( j = 0; j < num_channels; j++ )
398 : {
399 39016 : free( hMdDecoder->spar_coeffs.C_re_fx[i][j] );
400 : }
401 7170 : free( hMdDecoder->spar_coeffs.C_re_fx[i] );
402 : }
403 1514 : free( hMdDecoder->spar_coeffs.C_re_fx );
404 : }
405 1514 : IF( hMdDecoder->spar_coeffs.P_re_fx != NULL )
406 : {
407 8684 : FOR( i = 0; i < num_channels; i++ )
408 : {
409 46186 : FOR( j = 0; j < num_channels; j++ )
410 : {
411 39016 : free( hMdDecoder->spar_coeffs.P_re_fx[i][j] );
412 : }
413 7170 : free( hMdDecoder->spar_coeffs.P_re_fx[i] );
414 : }
415 1514 : free( hMdDecoder->spar_coeffs.P_re_fx );
416 : }
417 :
418 1514 : IF( hMdDecoder->spar_coeffs_prev.C_re_fx != NULL )
419 : {
420 8684 : FOR( i = 0; i < num_channels; i++ )
421 : {
422 46186 : FOR( j = 0; j < num_channels; j++ )
423 : {
424 39016 : free( hMdDecoder->spar_coeffs_prev.C_re_fx[i][j] );
425 : }
426 7170 : free( hMdDecoder->spar_coeffs_prev.C_re_fx[i] );
427 : }
428 1514 : free( hMdDecoder->spar_coeffs_prev.C_re_fx );
429 : }
430 :
431 1514 : IF( hMdDecoder->spar_coeffs_prev.P_re_fx != NULL )
432 : {
433 8684 : FOR( i = 0; i < num_channels; i++ )
434 : {
435 46186 : FOR( j = 0; j < num_channels; j++ )
436 : {
437 39016 : free( hMdDecoder->spar_coeffs_prev.P_re_fx[i][j] );
438 : }
439 7170 : free( hMdDecoder->spar_coeffs_prev.P_re_fx[i] );
440 : }
441 1514 : free( hMdDecoder->spar_coeffs_prev.P_re_fx );
442 : }
443 :
444 1514 : IF( hMdDecoder->spar_coeffs_tar.C_re_fx != NULL )
445 : {
446 8684 : FOR( i = 0; i < num_channels; i++ )
447 : {
448 46186 : FOR( j = 0; j < num_channels; j++ )
449 : {
450 39016 : free( hMdDecoder->spar_coeffs_tar.C_re_fx[i][j] );
451 : }
452 7170 : free( hMdDecoder->spar_coeffs_tar.C_re_fx[i] );
453 : }
454 1514 : free( hMdDecoder->spar_coeffs_tar.C_re_fx );
455 : }
456 1514 : IF( hMdDecoder->spar_coeffs_tar.P_re_fx != NULL )
457 : {
458 8684 : FOR( i = 0; i < num_channels; i++ )
459 : {
460 46186 : FOR( j = 0; j < num_channels; j++ )
461 : {
462 39016 : free( hMdDecoder->spar_coeffs_tar.P_re_fx[i][j] );
463 : }
464 7170 : free( hMdDecoder->spar_coeffs_tar.P_re_fx[i] );
465 : }
466 1514 : free( hMdDecoder->spar_coeffs_tar.P_re_fx );
467 : }
468 :
469 1514 : return;
470 : }
471 :
472 : /*-------------------------------------------------------------------------
473 : * ivas_spar_md_dec_close()
474 : *
475 : * Deallocate SPAR MD decoder handle
476 : *------------------------------------------------------------------------*/
477 :
478 1476 : void ivas_spar_md_dec_close(
479 : ivas_spar_md_dec_state_t **hMdDec /* i/o: SPAR MD decoder handle */
480 : )
481 : {
482 : ivas_spar_md_dec_state_t *hMdDecoder;
483 : Word16 num_channels;
484 :
485 1476 : hMdDecoder = *hMdDec;
486 1476 : num_channels = hMdDecoder->spar_md_cfg.num_umx_chs;
487 1476 : move16();
488 :
489 1476 : ivas_spar_md_dec_matrix_close_fx( hMdDecoder, num_channels );
490 :
491 1476 : free( *hMdDec );
492 1476 : *hMdDec = NULL;
493 :
494 1476 : return;
495 : }
496 :
497 : Word32 pFC_8k[IVAS_MAX_NUM_BANDS] = { 33, 100, 166, 233, 300, 366, 433, 566, 866, 1333, 2033, 3233 }; /*Q0*/
498 : Word32 pFC_12k[IVAS_MAX_NUM_BANDS] = { 53, 160, 266, 373, 480, 586, 693, 906, 1386, 2133, 3253, 5173 }; /*Q0*/
499 : Word32 pFC_16k[IVAS_MAX_NUM_BANDS] = { 66, 200, 333, 466, 600, 733, 866, 1133, 1733, 2666, 4066, 6466 }; /*Q0*/
500 : Word32 pFC_32k[IVAS_MAX_NUM_BANDS] = { 133, 400, 666, 933, 1200, 1466, 1733, 2266, 3466, 5333, 8133, 12933 }; /*Q0*/
501 : Word32 pFC_48k[IVAS_MAX_NUM_BANDS] = { 199, 600, 1000, 1400, 1800, 2200, 2600, 3400, 5200, 8000, 12200, 19400 }; /*Q0*/
502 :
503 : /*-----------------------------------------------------------------------------------------*
504 : * Function ivas_spar_md_dec_init()
505 : *
506 : * SPAR MD decoder initialization
507 : *-----------------------------------------------------------------------------------------*/
508 1764 : ivas_error ivas_spar_md_dec_init(
509 : ivas_spar_md_dec_state_t *hMdDec, /* i/o: SPAR MD decoder handle */
510 : const DECODER_CONFIG_HANDLE hDecoderConfig, /* i : configuration structure */
511 : const Word16 num_channels, /* i : number of internal channels Q0*/
512 : const Word16 sba_order /* i : SBA order Q0*/
513 : )
514 : {
515 : Word16 i, j;
516 : Word16 nchan_transport;
517 1764 : Word32 *pFC_fx = NULL, PR_minmax_fx[2];
518 : ivas_error error;
519 :
520 1764 : ivas_sba_get_spar_hoa_md_flag_fx( sba_order, hDecoderConfig->ivas_total_brate, &hMdDec->spar_hoa_md_flag, &hMdDec->spar_hoa_dirac2spar_md_flag );
521 :
522 1764 : ivas_sba_get_spar_hoa_ch_ind_fx( num_channels, hDecoderConfig->ivas_total_brate, hMdDec->HOA_md_ind );
523 :
524 1764 : IF( hMdDec->spar_hoa_md_flag )
525 : {
526 240 : hMdDec->spar_md.num_bands = IVAS_MAX_NUM_BANDS;
527 240 : move16();
528 : }
529 : ELSE
530 : {
531 1524 : hMdDec->spar_md.num_bands = s_min( IVAS_MAX_NUM_BANDS, SPAR_DIRAC_SPLIT_START_BAND );
532 1524 : move16();
533 : }
534 :
535 1764 : ivas_spar_set_bitrate_config_fx( &hMdDec->spar_md_cfg, hMdDec->table_idx, hMdDec->spar_md.num_bands, hMdDec->spar_hoa_dirac2spar_md_flag, 0, 0, 0 );
536 :
537 1764 : nchan_transport = hMdDec->spar_md_cfg.nchan_transport;
538 1764 : move16();
539 :
540 1764 : IF( EQ_32( hDecoderConfig->output_Fs, 8000 ) )
541 : {
542 0 : pFC_fx = pFC_8k; /*Q0*/
543 : }
544 1764 : ELSE IF( EQ_32( hDecoderConfig->output_Fs, 12800 ) )
545 : {
546 0 : pFC_fx = pFC_12k; /*Q0*/
547 : }
548 1764 : ELSE IF( EQ_32( hDecoderConfig->output_Fs, 16000 ) )
549 : {
550 40 : pFC_fx = pFC_16k; /*Q0*/
551 : }
552 1724 : ELSE IF( EQ_32( hDecoderConfig->output_Fs, 32000 ) )
553 : {
554 530 : pFC_fx = pFC_32k; /*Q0*/
555 : }
556 1194 : ELSE IF( EQ_32( hDecoderConfig->output_Fs, 48000 ) )
557 : {
558 1194 : pFC_fx = pFC_48k; /*Q0*/
559 : }
560 : ELSE
561 : {
562 0 : assert( 0 ); // update sample rate
563 : }
564 :
565 1764 : IF( NE_32( ( error = ivas_spar_set_dec_config( hMdDec, nchan_transport, pFC_fx ) ), IVAS_ERR_OK ) )
566 : {
567 0 : return error;
568 : }
569 :
570 1764 : test();
571 1764 : test();
572 1764 : IF( NE_16( nchan_transport, 2 ) && ( EQ_16( hMdDec->spar_md_cfg.remix_unmix_order, 2 ) || EQ_16( hMdDec->spar_md_cfg.remix_unmix_order, 1 ) ) )
573 : {
574 0 : return IVAS_ERR_INTERNAL;
575 : }
576 :
577 : /* DTX quant init */
578 1764 : PR_minmax_fx[0] = hMdDec->spar_md_cfg.quant_strat[0].PR.min_fx; /*Q28*/
579 1764 : move32();
580 1764 : PR_minmax_fx[1] = hMdDec->spar_md_cfg.quant_strat[0].PR.max_fx; /*Q28*/
581 1764 : move32();
582 1764 : ivas_spar_quant_dtx_init_fx( &hMdDec->spar_md, PR_minmax_fx );
583 :
584 1764 : ivas_spar_arith_coeffs_com_init_fx( &hMdDec->arith_coeffs, &hMdDec->spar_md_cfg, hMdDec->table_idx, DEC );
585 1764 : ivas_spar_huff_coeffs_com_init_fx( &hMdDec->huff_coeffs, &hMdDec->spar_md_cfg, hMdDec->table_idx, DEC );
586 :
587 1764 : hMdDec->spar_md_cfg.prev_quant_idx = -1;
588 1764 : move16();
589 :
590 : /* initialize PLC state */
591 1764 : set16_fx( hMdDec->valid_bands, 0, IVAS_MAX_NUM_BANDS );
592 1764 : set16_fx( hMdDec->base_band_age, 0, IVAS_MAX_NUM_BANDS );
593 1764 : set16_fx( hMdDec->base_band_coeffs_age, 0, IVAS_MAX_NUM_BANDS );
594 1764 : hMdDec->spar_plc_num_lost_frames = 0;
595 1764 : move16();
596 1764 : hMdDec->spar_plc_enable_fadeout_flag = 1;
597 1764 : move16();
598 1764 : hMdDec->dtx_md_smoothing_cntr = 1;
599 1764 : move16();
600 :
601 1764 : ivas_clear_band_coeffs_fx( hMdDec->spar_md.band_coeffs, IVAS_MAX_NUM_BANDS );
602 1764 : ivas_clear_band_coeffs_fx( hMdDec->band_coeffs_prev, IVAS_MAX_NUM_BANDS );
603 :
604 1764 : ivas_clear_band_coeff_idx( hMdDec->spar_md.band_coeffs_idx, IVAS_MAX_NUM_BANDS );
605 1764 : ivas_clear_band_coeff_idx( hMdDec->spar_md_prev.band_coeffs_idx, IVAS_MAX_NUM_BANDS );
606 1764 : ivas_clear_band_coeff_idx( hMdDec->spar_md_prev.band_coeffs_idx_mapped, IVAS_MAX_NUM_BANDS );
607 :
608 1764 : hMdDec->spar_md.dtx_vad = 0;
609 1764 : move16();
610 1764 : hMdDec->td_decorr_flag = 1;
611 1764 : move16();
612 :
613 :
614 1764 : set32_fx( hMdDec->spar_md.en_ratio_slow_fx, 0, IVAS_MAX_NUM_BANDS );
615 1764 : set32_fx( hMdDec->spar_md.ref_pow_slow_fx, 0, IVAS_MAX_NUM_BANDS );
616 1764 : set16_fx( hMdDec->smooth_fac_fx, 0, IVAS_MAX_NUM_BANDS );
617 :
618 22932 : FOR( i = 0; i < IVAS_MAX_NUM_BANDS; i++ )
619 : {
620 21168 : set32_fx( hMdDec->smooth_buf_fx[i], 0, 2 * SBA_DIRAC_NRG_SMOOTH_LONG + 1 );
621 : }
622 :
623 21168 : FOR( i = 0; i < IVAS_SPAR_MAX_CH; i++ )
624 : {
625 232848 : FOR( j = 0; j < IVAS_SPAR_MAX_CH; j++ )
626 : {
627 213444 : set32_fx( hMdDec->mixer_mat_prev2_fx[i][j], 0, IVAS_MAX_NUM_BANDS );
628 : }
629 : }
630 1764 : hMdDec->first_valid_frame = 1;
631 1764 : move16();
632 :
633 1764 : return IVAS_ERR_OK;
634 : }
635 :
636 :
637 : /*-----------------------------------------------------------------------------------------*
638 : * Function ivas_spar_set_dec_config()
639 : *
640 : * Set configuration for SPAR MD decoder
641 : *-----------------------------------------------------------------------------------------*/
642 1764 : static ivas_error ivas_spar_set_dec_config(
643 : ivas_spar_md_dec_state_t *hMdDec,
644 : const Word16 nchan_transport,
645 : Word32 *pFC /*Q0*/ )
646 : {
647 : Word16 i, j, nchan, dmx_ch;
648 :
649 5733 : FOR( i = 0; i < nchan_transport; i++ )
650 : {
651 3969 : hMdDec->spar_md_cfg.max_freq_per_chan[i] = ivas_spar_br_table_consts[hMdDec->table_idx].fpcs; /*Q0*/
652 3969 : move16();
653 : }
654 :
655 1764 : nchan = ivas_sba_get_nchan_metadata_fx( ivas_spar_br_table_consts[hMdDec->table_idx].sba_order, ivas_spar_br_table_consts[hMdDec->table_idx].ivas_total_brate ); /*Q0*/
656 :
657 1764 : SWITCH( nchan )
658 : {
659 1524 : case 4: /* FOA_CHANNELS */
660 1524 : hMdDec->num_decorr = IVAS_TD_DECORR_OUT_3CH;
661 1524 : move16();
662 1524 : BREAK;
663 17 : case 9: /* IVAS_HOA_2_CH */
664 17 : hMdDec->num_decorr = IVAS_TD_DECORR_OUT_5CH;
665 17 : move16();
666 17 : BREAK;
667 38 : case 6: /* IVAS_HOA_2_CH */
668 38 : hMdDec->num_decorr = IVAS_TD_DECORR_OUT_2CH;
669 38 : move16();
670 38 : BREAK;
671 114 : case 8: /* IVAS_HOA_3_CH */
672 114 : hMdDec->num_decorr = IVAS_TD_DECORR_OUT_4CH;
673 114 : move16();
674 114 : BREAK;
675 : }
676 :
677 1764 : hMdDec->spar_md_cfg.num_umx_chs = nchan; /*Q0*/
678 1764 : move16();
679 :
680 1764 : dmx_ch = 0;
681 1764 : move16();
682 22932 : FOR( i = 0; i < IVAS_MAX_NUM_BANDS; i++ )
683 : {
684 21168 : dmx_ch = 0;
685 21168 : move16();
686 68796 : FOR( j = 0; j < nchan_transport; j++ )
687 : {
688 47628 : if ( LT_32( pFC[i], hMdDec->spar_md_cfg.max_freq_per_chan[j] ) )
689 : {
690 47628 : dmx_ch = add( dmx_ch, 1 );
691 : }
692 : }
693 :
694 21168 : hMdDec->spar_md_cfg.num_dmx_chans_per_band[i] = hMdDec->spar_md_cfg.nchan_transport; /*Q0*/
695 21168 : move16();
696 21168 : hMdDec->spar_md_cfg.num_decorr_per_band[i] = sub( nchan, hMdDec->spar_md_cfg.nchan_transport ); /*Q0*/
697 21168 : move16();
698 : }
699 :
700 1764 : hMdDec->spar_md_cfg.nchan_transport = dmx_ch; /*Q0*/
701 1764 : move16();
702 :
703 1764 : return IVAS_ERR_OK;
704 : }
705 :
706 :
707 : /*-----------------------------------------------------------------------------------------*
708 : * Function ivas_dec_mono_sba_handling()
709 : *
710 : *
711 : *-----------------------------------------------------------------------------------------*/
712 :
713 140904 : static void ivas_dec_mono_sba_handling_fx(
714 : Decoder_Struct *st_ivas /* i/o: IVAS decoder handle */
715 : )
716 : {
717 : Word16 mono_flag, b, block;
718 :
719 140904 : mono_flag = 1;
720 140904 : move16();
721 :
722 697173 : FOR( b = 0; b < st_ivas->hQMetaData->q_direction[0].cfg.nbands; b++ )
723 : {
724 2781345 : FOR( block = 0; block < MAX_PARAM_SPATIAL_SUBFRAMES; ++block )
725 : {
726 2225076 : Word32 azimuth_fx = st_ivas->hQMetaData->q_direction[0].band_data[b].azimuth_fx[block]; /*Q22*/
727 2225076 : move32();
728 2225076 : Word32 elevation_fx = st_ivas->hQMetaData->q_direction[0].band_data[b].azimuth_fx[block]; /*Q22*/
729 2225076 : move32();
730 2225076 : Word32 energy_ratio_fx = st_ivas->hQMetaData->q_direction[0].band_data[0].energy_ratio_fx[block]; /*Q30*/
731 2225076 : move32();
732 :
733 2225076 : test();
734 2225076 : test();
735 2225076 : if (
736 525613 : ( ( azimuth_fx != 0 ) ) ||
737 525613 : ( ( elevation_fx != 0 ) ) ||
738 525613 : ( GT_32( energy_ratio_fx, 161061274 /* 0.15f in Q30 */ ) ) ) /* 0.15f is just above the lowest quantised value. */
739 : {
740 1932195 : mono_flag = 0;
741 1932195 : move16();
742 : }
743 : }
744 : }
745 :
746 : /* Combine the SPAR prediction coefs flag with the azimuth, elevation and energy ratio flag.*/
747 140904 : test();
748 140904 : mono_flag = mono_flag && ivas_spar_chk_zero_coefs_fx( st_ivas );
749 :
750 140904 : IF( mono_flag )
751 : {
752 : /* Set Energy Ratio values to be zero */
753 96 : FOR( b = 0; b < st_ivas->hQMetaData->q_direction[0].cfg.nbands; b++ )
754 : {
755 72 : set32_fx( st_ivas->hQMetaData->q_direction[0].band_data[b].energy_ratio_fx, 0, MAX_PARAM_SPATIAL_SUBFRAMES );
756 : }
757 24 : IF( st_ivas->hDirAC != NULL )
758 : {
759 21 : FOR( block = 0; block < st_ivas->hSpatParamRendCom->dirac_md_buffer_length; ++block )
760 : {
761 : /* Set directional Energy Ratio values to be zero */
762 18 : set32_fx( st_ivas->hSpatParamRendCom->energy_ratio1_fx[block], 0, st_ivas->hSpatParamRendCom->num_freq_bands );
763 18 : IF( EQ_32( st_ivas->hQMetaData->no_directions, 2 ) )
764 : {
765 0 : set32_fx( st_ivas->hSpatParamRendCom->energy_ratio2_fx[block], 0, st_ivas->hSpatParamRendCom->num_freq_bands );
766 : }
767 : /* Set Diffuseness values to be 1.0 */
768 18 : set32_fx( st_ivas->hSpatParamRendCom->diffuseness_vector_fx[block], ONE_IN_Q30, st_ivas->hSpatParamRendCom->num_freq_bands ); /*Q30*/
769 : }
770 : }
771 : }
772 :
773 140904 : return;
774 : }
775 :
776 :
777 : /*-----------------------------------------------------------------------------------------*
778 : * Function ivas_spar_md_dec_process_fx()
779 : *
780 : * SPAR Meta Data decoder process
781 : *-----------------------------------------------------------------------------------------*/
782 :
783 140904 : void ivas_spar_md_dec_process_fx(
784 : Decoder_Struct *st_ivas, /* i/o: IVAS decoder handle */
785 : Decoder_State *st0, /* i/o: decoder state structure - for bitstream handling */
786 : const Word16 num_bands_out, /* i : number of output bands Q0*/
787 : const Word16 sba_order /* i : Ambisonic (SBA) order Q0*/
788 : )
789 : {
790 : Word16 j, k, b, bw, dtx_vad, nB, i_ts;
791 : ivas_spar_md_dec_state_t *hMdDec;
792 : Word16 num_md_chs;
793 : Word16 num_md_sub_frames;
794 : Word16 dyn_active_w_flag;
795 : Word16 active_w_vlbr;
796 :
797 140904 : hMdDec = st_ivas->hSpar->hMdDec;
798 :
799 140904 : IF( LT_32( st_ivas->hDecoderConfig->ivas_total_brate, IVAS_24k4 ) )
800 : {
801 11277 : active_w_vlbr = 1;
802 11277 : move16();
803 : }
804 : ELSE
805 : {
806 129627 : active_w_vlbr = 0;
807 129627 : move16();
808 : }
809 :
810 140904 : num_md_chs = ivas_sba_get_nchan_metadata_fx( sba_order, st_ivas->hDecoderConfig->ivas_total_brate ); /*Q0*/
811 :
812 140904 : num_md_sub_frames = ivas_get_spar_dec_md_num_subframes( sba_order, st_ivas->hDecoderConfig->ivas_total_brate, st_ivas->last_active_ivas_total_brate ); /*Q0*/
813 :
814 140904 : test();
815 140904 : IF( GT_16( hMdDec->spar_md_cfg.nchan_transport, 1 ) && LE_16( hMdDec->spar_md_cfg.nchan_transport, 3 ) )
816 : {
817 66317 : hMdDec->spar_md.res_ind = 0;
818 66317 : move16();
819 66317 : dyn_active_w_flag = get_next_indice_fx( st0, 1 ); /*Q0*/
820 66317 : IF( EQ_16( dyn_active_w_flag, 1 ) )
821 : {
822 0 : IF( EQ_16( hMdDec->spar_md_cfg.nchan_transport, 2 ) )
823 : {
824 0 : hMdDec->spar_md.res_ind = get_next_indice_fx( st0, 1 ); /*Q0*/
825 0 : move16();
826 0 : hMdDec->spar_md.res_ind = add( hMdDec->spar_md_cfg.nchan_transport, hMdDec->spar_md.res_ind ); /*Q0*/
827 0 : move16();
828 : }
829 0 : ELSE IF( EQ_16( hMdDec->spar_md_cfg.nchan_transport, 3 ) )
830 : {
831 0 : hMdDec->spar_md.res_ind = remix_order_set[hMdDec->spar_md_cfg.remix_unmix_order][hMdDec->spar_md_cfg.nchan_transport]; /*Q0*/
832 0 : move16();
833 : }
834 : }
835 : }
836 : ELSE
837 : {
838 74587 : dyn_active_w_flag = 0;
839 74587 : move16();
840 74587 : IF( EQ_16( hMdDec->spar_md_cfg.nchan_transport, FOA_CHANNELS ) )
841 : {
842 36993 : get_next_indice_fx( st0, 1 );
843 : }
844 : }
845 :
846 140904 : ivas_spar_dec_parse_md_bs_fx( hMdDec, st0, &nB, &bw, &dtx_vad, st_ivas->hDecoderConfig->ivas_total_brate,
847 140904 : st_ivas->hQMetaData->sba_inactive_mode );
848 :
849 140904 : assert( nB == hMdDec->spar_md.num_bands );
850 140904 : assert( bw == 1 );
851 140904 : ivas_spar_md_fill_invalid_bandcoeffs(
852 : hMdDec->spar_md.band_coeffs,
853 : hMdDec->band_coeffs_prev,
854 140904 : &hMdDec->valid_bands[0],
855 : &hMdDec->base_band_coeffs_age[0],
856 : &hMdDec->first_valid_frame,
857 : nB );
858 :
859 140904 : ivas_dec_mono_sba_handling_fx( st_ivas );
860 :
861 : /* SPAR to DirAC conversion */
862 140904 : IF( EQ_16( hMdDec->spar_hoa_dirac2spar_md_flag, 1 ) )
863 : {
864 131040 : ivas_spar_to_dirac_fx( st_ivas, hMdDec, dtx_vad, num_bands_out, bw, dyn_active_w_flag );
865 : }
866 :
867 : /* set correct number of bands*/
868 140904 : nB = IVAS_MAX_NUM_BANDS;
869 140904 : move16();
870 :
871 : /* expand DirAC MD to all time slots */
872 501129 : FOR( i_ts = 1; i_ts < num_md_sub_frames; i_ts++ )
873 : {
874 3373413 : FOR( b = 0; b < hMdDec->spar_md.num_bands; b++ )
875 : {
876 33145068 : FOR( j = 0; j < IVAS_SPAR_MAX_CH - 1; j++ )
877 : {
878 30131880 : hMdDec->spar_md.band_coeffs[( b + ( i_ts * IVAS_MAX_NUM_BANDS ) )].pred_re_fx[j] = hMdDec->spar_md.band_coeffs[b].pred_re_fx[j]; /*Q22*/
879 30131880 : move32();
880 : }
881 :
882 24105504 : FOR( j = 0; j < IVAS_SPAR_MAX_CH - IVAS_SPAR_MAX_DMX_CHS; j++ )
883 : {
884 84369264 : FOR( k = 0; k < IVAS_SPAR_MAX_DMX_CHS - 1; k++ )
885 : {
886 63276948 : hMdDec->spar_md.band_coeffs[( b + ( i_ts * IVAS_MAX_NUM_BANDS ) )].C_re_fx[j][k] = hMdDec->spar_md.band_coeffs[b].C_re_fx[j][k]; /*Q22*/
887 63276948 : move32();
888 : }
889 : }
890 :
891 33145068 : FOR( j = 0; j < IVAS_SPAR_MAX_CH - 1; j++ )
892 : {
893 30131880 : hMdDec->spar_md.band_coeffs[add( b, i_mult( i_ts, IVAS_MAX_NUM_BANDS ) )].P_re_fx[j] = hMdDec->spar_md.band_coeffs[b].P_re_fx[j]; /*Q22*/
894 30131880 : move32();
895 : }
896 : }
897 : }
898 :
899 140904 : ivas_get_spar_matrices_fx( hMdDec, num_bands_out, num_md_sub_frames, bw, dtx_vad, nB, num_md_chs, active_w_vlbr, dyn_active_w_flag );
900 :
901 : #ifdef DEBUG_SPAR_DIRAC_WRITE_OUT_PRED_PARS
902 : {
903 : static FILE *fid = 0;
904 : int16_t band = 9;
905 : if ( !fid )
906 : {
907 : fid = fopen( "pred_coeffs_dec.txt", "wt" );
908 : }
909 : fprintf( fid, "%.6f\n", hMdDec->mixer_mat[1][0][band] );
910 : }
911 : #endif
912 140904 : ivas_spar_md_fill_invalid_bands_fx( &hMdDec->spar_coeffs, &hMdDec->spar_coeffs_prev, &hMdDec->valid_bands[0], &hMdDec->base_band_age[0], num_bands_out, num_md_chs, num_md_sub_frames );
913 :
914 :
915 140904 : hMdDec->dtx_md_smoothing_cntr = 1;
916 140904 : move16();
917 :
918 140904 : return;
919 : }
920 :
921 :
922 744 : Word16 ivas_spar_chk_zero_coefs_fx(
923 : Decoder_Struct *st_ivas /* i/o: IVAS decoder handle */
924 : )
925 : {
926 : Word16 j, k, b;
927 : ivas_spar_md_dec_state_t *hMdDec;
928 744 : Word16 mono = 1;
929 744 : move16();
930 : Word16 ndec, ndm;
931 :
932 744 : hMdDec = st_ivas->hSpar->hMdDec;
933 744 : ndec = hMdDec->spar_md_cfg.num_decorr_per_band[0]; /*Q0*/
934 744 : move16();
935 744 : ndm = hMdDec->spar_md_cfg.num_dmx_chans_per_band[0]; /*Q0*/
936 744 : move16();
937 :
938 744 : Word16 min_bands = s_min( hMdDec->spar_md.num_bands, SPAR_DIRAC_SPLIT_START_BAND );
939 6696 : FOR( b = 0; b < min_bands; b++ )
940 : {
941 23888 : FOR( j = 0; j < ( ( ndm + ndec ) - 1 ); j++ )
942 : {
943 17936 : if ( hMdDec->spar_md.band_coeffs[b].pred_re_fx[j] != 0 )
944 : {
945 9517 : mono = 0;
946 9517 : move16();
947 : }
948 : }
949 22352 : FOR( j = 0; j < ndec; j++ )
950 : {
951 18480 : FOR( k = 0; k < ( ndm - 1 ); k++ )
952 : {
953 2080 : if ( hMdDec->spar_md.band_coeffs[b].C_re_fx[j][k] != 0 )
954 : {
955 708 : mono = 0;
956 708 : move16();
957 : }
958 : }
959 : }
960 22352 : FOR( j = 0; j < ndec; j++ )
961 : {
962 16400 : if ( hMdDec->spar_md.band_coeffs[b].P_re_fx[j] != 0 )
963 : {
964 15287 : mono = 0;
965 15287 : move16();
966 : }
967 : }
968 : }
969 :
970 744 : return mono;
971 : }
972 :
973 :
974 : /*-----------------------------------------------------------------------------------------*
975 : * Function ivas_spar_smooth_md_dtx()
976 : *
977 : * Smooth MD during no data frame during DTX
978 : *-----------------------------------------------------------------------------------------*/
979 :
980 2189 : void ivas_spar_smooth_md_dtx_fx(
981 : ivas_spar_md_dec_state_t *hMdDec, /* i/o: SPAR MD decoder handle */
982 : const Word16 num_bands_out, /* i : number of output bands Q0*/
983 : const Word16 num_md_sub_frames /* i : number of metadata subframes Q0*/
984 : )
985 : {
986 : Word16 j, k, b, dmx_ch;
987 : Word16 ramp_fx;
988 : Word32 tar_fx, prev_fx, new_val_fx;
989 :
990 : /* ramp = (float)hMdDec->dtx_md_smoothing_cntr / IVAS_DEFAULT_DTX_CNG_RAMP; */
991 2189 : ramp_fx = i_mult_sat( hMdDec->dtx_md_smoothing_cntr, 4096 /* 1 / IVAS_DEFAULT_DTX_CNG_RAMP in Q15 */ ); /* Q15 */
992 :
993 28457 : FOR( b = 0; b < num_bands_out; b++ )
994 : {
995 26268 : dmx_ch = hMdDec->spar_md_cfg.num_dmx_chans_per_band[b];
996 26268 : move16();
997 :
998 105072 : FOR( j = 1; j < FOA_CHANNELS; j++ )
999 : {
1000 276948 : FOR( k = dmx_ch; k < FOA_CHANNELS; k++ )
1001 : {
1002 198144 : prev_fx = hMdDec->spar_coeffs_prev.P_re_fx[j][k][b]; /* Q22 */
1003 198144 : move32();
1004 198144 : tar_fx = hMdDec->spar_coeffs_tar.P_re_fx[j][k][b]; /* Q22 */
1005 198144 : move32();
1006 198144 : new_val_fx = L_add( prev_fx, Mpy_32_16_1( L_sub( tar_fx, prev_fx ), ramp_fx ) ); /* Q22 + Q15 - Q15 = Q22*/
1007 198144 : hMdDec->spar_coeffs.P_re_fx[j][k][b] = new_val_fx; /* Q22 */
1008 198144 : move32();
1009 : }
1010 : }
1011 :
1012 131340 : FOR( j = 0; j < FOA_CHANNELS; j++ )
1013 : {
1014 261168 : FOR( k = 0; k < dmx_ch; k++ )
1015 : {
1016 156096 : prev_fx = hMdDec->spar_coeffs_prev.C_re_fx[j][k][b]; /* Q22 */
1017 156096 : move32();
1018 156096 : tar_fx = hMdDec->spar_coeffs_tar.C_re_fx[j][k][b]; /* Q22 */
1019 156096 : move32();
1020 156096 : new_val_fx = L_add( prev_fx, Mpy_32_16_1( L_sub( tar_fx, prev_fx ), ramp_fx ) ); /* Q22 + Q15 - Q15 = Q22*/
1021 156096 : hMdDec->spar_coeffs.C_re_fx[j][k][b] = new_val_fx; /* Q22 */
1022 156096 : move32();
1023 : }
1024 : }
1025 : }
1026 :
1027 : /* expand MD to all time slots */
1028 8519 : FOR( Word16 i_ts = 1; i_ts < num_md_sub_frames; i_ts++ )
1029 : {
1030 82290 : FOR( b = 0; b < num_bands_out; b++ )
1031 : {
1032 75960 : dmx_ch = hMdDec->spar_md_cfg.num_dmx_chans_per_band[b]; /*Q0*/
1033 75960 : move16();
1034 :
1035 303840 : FOR( j = 1; j < FOA_CHANNELS; j++ )
1036 : {
1037 796716 : FOR( k = dmx_ch; k < FOA_CHANNELS; k++ )
1038 : {
1039 568836 : hMdDec->spar_coeffs.P_re_fx[j][k][( b + ( i_ts * IVAS_MAX_NUM_BANDS ) )] = hMdDec->spar_coeffs.P_re_fx[j][k][b]; /* Q22 */
1040 568836 : move32();
1041 : }
1042 : }
1043 :
1044 379800 : FOR( j = 0; j < FOA_CHANNELS; j++ )
1045 : {
1046 760752 : FOR( k = 0; k < dmx_ch; k++ )
1047 : {
1048 456912 : hMdDec->spar_coeffs.C_re_fx[j][k][( b + ( i_ts * IVAS_MAX_NUM_BANDS ) )] = hMdDec->spar_coeffs.C_re_fx[j][k][b]; /* Q22 */
1049 456912 : move32();
1050 : }
1051 : }
1052 : }
1053 : }
1054 :
1055 2189 : hMdDec->dtx_md_smoothing_cntr = s_min( add( hMdDec->dtx_md_smoothing_cntr, 1 ), IVAS_DEFAULT_DTX_CNG_RAMP );
1056 2189 : move16();
1057 :
1058 2189 : return;
1059 : }
1060 :
1061 :
1062 : /*-----------------------------------------------------------------------------------------*
1063 : * Function ivas_spar_setup_md_smoothing()
1064 : *
1065 : * Set up smoothing of SPAR MD when SID update frame is received
1066 : *-----------------------------------------------------------------------------------------*/
1067 :
1068 125 : void ivas_spar_setup_md_smoothing_fx(
1069 : ivas_spar_md_dec_state_t *hMdDec, /* i/o: SPAR MD decoder handle */
1070 : const Word16 num_bands_out, /* i : number of output bands Q0*/
1071 : const Word16 num_md_sub_frames /* i : number of metadata subframes Q0*/
1072 : )
1073 : {
1074 : /* copy the coeffs */
1075 : Word16 num_channels, i, j, k;
1076 :
1077 125 : num_channels = hMdDec->spar_md_cfg.num_umx_chs; /*Q0*/
1078 125 : move16();
1079 :
1080 625 : FOR( i = 0; i < num_channels; i++ )
1081 : {
1082 2500 : FOR( j = 0; j < num_channels; j++ )
1083 : {
1084 26000 : FOR( k = 0; k < IVAS_MAX_NUM_BANDS; k++ )
1085 : {
1086 24000 : hMdDec->spar_coeffs_prev.C_re_fx[i][j][k] = hMdDec->spar_coeffs_tar.C_re_fx[i][j][k]; /* Q22 */
1087 24000 : move32();
1088 : }
1089 : }
1090 : }
1091 :
1092 625 : FOR( i = 0; i < num_channels; i++ )
1093 : {
1094 2500 : FOR( j = 0; j < num_channels; j++ )
1095 : {
1096 26000 : FOR( k = 0; k < IVAS_MAX_NUM_BANDS; k++ )
1097 : {
1098 24000 : hMdDec->spar_coeffs_prev.P_re_fx[i][j][k] = hMdDec->spar_coeffs_tar.P_re_fx[i][j][k]; /* Q22 */
1099 24000 : move32();
1100 : }
1101 : }
1102 : }
1103 :
1104 625 : FOR( i = 0; i < num_channels; i++ )
1105 : {
1106 2500 : FOR( j = 0; j < num_channels; j++ )
1107 : {
1108 26000 : FOR( k = 0; k < IVAS_MAX_NUM_BANDS; k++ )
1109 : {
1110 24000 : hMdDec->spar_coeffs_tar.C_re_fx[i][j][k] = hMdDec->spar_coeffs.C_re_fx[i][j][k]; /* Q22 */
1111 24000 : move32();
1112 : }
1113 : }
1114 : }
1115 :
1116 625 : FOR( i = 0; i < num_channels; i++ )
1117 : {
1118 2500 : FOR( j = 0; j < num_channels; j++ )
1119 : {
1120 26000 : FOR( k = 0; k < IVAS_MAX_NUM_BANDS; k++ )
1121 : {
1122 24000 : hMdDec->spar_coeffs_tar.P_re_fx[i][j][k] = hMdDec->spar_coeffs.P_re_fx[i][j][k]; /* Q22 */
1123 24000 : move32();
1124 : }
1125 : }
1126 : }
1127 :
1128 125 : ivas_spar_smooth_md_dtx_fx( hMdDec, num_bands_out, num_md_sub_frames );
1129 :
1130 125 : return;
1131 : }
1132 :
1133 :
1134 : /*-----------------------------------------------------------------------------------------*
1135 : * Function ivas_spar_update_md_hist()
1136 : *
1137 : * Update previous and target MD
1138 : *-----------------------------------------------------------------------------------------*/
1139 :
1140 140779 : void ivas_spar_update_md_hist_fx(
1141 : ivas_spar_md_dec_state_t *hMdDec /* i/o: SPAR MD decoder handle */
1142 : )
1143 : {
1144 : Word16 num_channels, i, j, k;
1145 :
1146 140779 : num_channels = hMdDec->spar_md_cfg.num_umx_chs; /*Q0*/
1147 140779 : move16();
1148 :
1149 801395 : FOR( i = 0; i < num_channels; i++ )
1150 : {
1151 4233268 : FOR( j = 0; j < num_channels; j++ )
1152 : {
1153 46444476 : FOR( k = 0; k < IVAS_MAX_NUM_BANDS; k++ )
1154 : {
1155 42871824 : hMdDec->spar_coeffs_prev.C_re_fx[i][j][k] = hMdDec->spar_coeffs.C_re_fx[i][j][k]; /* Q22 */
1156 42871824 : move32();
1157 : }
1158 : }
1159 : }
1160 :
1161 801395 : FOR( i = 0; i < num_channels; i++ )
1162 : {
1163 4233268 : FOR( j = 0; j < num_channels; j++ )
1164 : {
1165 46444476 : FOR( k = 0; k < IVAS_MAX_NUM_BANDS; k++ )
1166 : {
1167 42871824 : hMdDec->spar_coeffs_prev.P_re_fx[i][j][k] = hMdDec->spar_coeffs.P_re_fx[i][j][k]; /* Q22 */
1168 42871824 : move32();
1169 : }
1170 : }
1171 : }
1172 :
1173 801395 : FOR( i = 0; i < num_channels; i++ )
1174 : {
1175 4233268 : FOR( j = 0; j < num_channels; j++ )
1176 : {
1177 46444476 : FOR( k = 0; k < IVAS_MAX_NUM_BANDS; k++ )
1178 : {
1179 42871824 : hMdDec->spar_coeffs_tar.C_re_fx[i][j][k] = hMdDec->spar_coeffs.C_re_fx[i][j][k]; /* Q22 */
1180 42871824 : move32();
1181 : }
1182 : }
1183 : }
1184 :
1185 801395 : FOR( i = 0; i < num_channels; i++ )
1186 : {
1187 4233268 : FOR( j = 0; j < num_channels; j++ )
1188 : {
1189 46444476 : FOR( k = 0; k < IVAS_MAX_NUM_BANDS; k++ )
1190 : {
1191 42871824 : hMdDec->spar_coeffs_tar.P_re_fx[i][j][k] = hMdDec->spar_coeffs.P_re_fx[i][j][k]; /* Q22 */
1192 42871824 : move32();
1193 : }
1194 : }
1195 : }
1196 :
1197 140779 : return;
1198 : }
1199 :
1200 : /*-----------------------------------------------------------------------------------------*
1201 : * Function ivas_get_spar_matrices()
1202 : *
1203 : * Get SPAR matrices
1204 : *-----------------------------------------------------------------------------------------*/
1205 :
1206 140904 : static void ivas_get_spar_matrices_fx(
1207 : ivas_spar_md_dec_state_t *hMdDec,
1208 : const Word16 num_bands_out, /*Q0*/
1209 : const Word16 n_ts, /*Q0*/
1210 : const Word16 bw, /*Q0*/
1211 : const Word16 dtx_vad, /*Q0*/
1212 : const Word16 nB, /*Q0*/
1213 : const Word16 numch_out, /*Q0*/
1214 : const Word16 active_w_vlbr, /*Q0*/
1215 : const Word16 dyn_active_w_flag /*Q0*/ )
1216 : {
1217 : Word16 num_bands, dmx_ch, split_band;
1218 : Word16 i, j, k, m, b, i_ts, active_w;
1219 : const Word16 *order;
1220 : Word32 active_w_dm_fac_fx, re_fx, re_fx1;
1221 :
1222 140904 : num_bands = num_bands_out;
1223 140904 : move16();
1224 140904 : order = remix_order_set[hMdDec->spar_md_cfg.remix_unmix_order];
1225 :
1226 140904 : split_band = SPAR_DIRAC_SPLIT_START_BAND;
1227 140904 : move16();
1228 :
1229 : // Dead code as SPAR_DIRAC_SPLIT_START_BAND = 8 and IVAS_MAX_NUM_BANDS = 12
1230 140904 : IF( GE_16( split_band, IVAS_MAX_NUM_BANDS ) )
1231 : {
1232 : /*store previous 4x4 parameters for linear interpolation to current*/
1233 :
1234 0 : FOR( i = 0; i < numch_out; i++ )
1235 : {
1236 0 : FOR( j = 0; j < numch_out; j++ )
1237 : {
1238 0 : FOR( b = 0; b < num_bands; b++ )
1239 : {
1240 0 : hMdDec->mixer_mat_prev_fx[0][i][j][b] = hMdDec->mixer_mat_fx[i][j][b]; /*hMdDec->Q_mixer_mat*/
1241 0 : move32();
1242 : }
1243 : }
1244 : }
1245 : }
1246 :
1247 140904 : if ( EQ_16( bw, IVAS_RED_BAND_FACT ) )
1248 : {
1249 0 : num_bands = shr( num_bands, 1 );
1250 : }
1251 :
1252 140904 : test();
1253 140904 : active_w = EQ_16( dyn_active_w_flag, 1 ) || EQ_16( hMdDec->spar_md_cfg.active_w, 1 );
1254 :
1255 140904 : IF( dtx_vad == 0 )
1256 : {
1257 557 : active_w_dm_fac_fx = IVAS_ACTIVEW_DM_F_SCALE_DTX_FX;
1258 557 : move32();
1259 : }
1260 140347 : ELSE IF( EQ_16( active_w_vlbr, 1 ) )
1261 : {
1262 10943 : active_w_dm_fac_fx = IVAS_ACTIVEW_DM_F_SCALE_VLBR_FX;
1263 10943 : move32();
1264 : }
1265 : ELSE
1266 : {
1267 129404 : active_w_dm_fac_fx = IVAS_ACTIVEW_DM_F_SCALE_FX;
1268 129404 : move32();
1269 : }
1270 :
1271 642033 : FOR( i_ts = 0; i_ts < n_ts; i_ts++ )
1272 : {
1273 2701635 : FOR( i = 0; i < numch_out; i++ )
1274 : {
1275 12654842 : FOR( j = 0; j < numch_out; j++ )
1276 : {
1277 :
1278 10454336 : set32_fx( &hMdDec->spar_coeffs.C_re_fx[i][j][( i_ts * IVAS_MAX_NUM_BANDS )], 0, IVAS_MAX_NUM_BANDS );
1279 10454336 : set32_fx( &hMdDec->spar_coeffs.P_re_fx[i][j][( i_ts * IVAS_MAX_NUM_BANDS )], 0, IVAS_MAX_NUM_BANDS );
1280 : }
1281 : }
1282 501129 : num_bands = s_min( num_bands, nB );
1283 501129 : move16();
1284 :
1285 6425845 : FOR( b = 0; b < num_bands; b++ )
1286 : {
1287 : Word32 tmp_C1_re_fx[IVAS_SPAR_MAX_CH][IVAS_SPAR_MAX_CH];
1288 : Word32 tmp_C2_re_fx[IVAS_SPAR_MAX_CH][IVAS_SPAR_MAX_CH];
1289 : Word32 tmp_dm_re_fx[IVAS_SPAR_MAX_CH][IVAS_SPAR_MAX_CH];
1290 5924716 : dmx_ch = hMdDec->spar_md_cfg.num_dmx_chans_per_band[( bw * b )]; /*Q0*/
1291 5924716 : move16();
1292 :
1293 31959460 : FOR( j = 0; j < numch_out; j++ )
1294 : {
1295 26034744 : set_zero_fx( tmp_C1_re_fx[j], numch_out );
1296 26034744 : set_zero_fx( tmp_C2_re_fx[j], numch_out );
1297 26034744 : set_zero_fx( tmp_dm_re_fx[j], numch_out );
1298 :
1299 26034744 : tmp_C1_re_fx[j][j] = ONE_IN_Q22; /*Q22*/
1300 26034744 : tmp_C2_re_fx[j][j] = ONE_IN_Q22; /*Q22*/
1301 26034744 : tmp_dm_re_fx[j][j] = ONE_IN_Q22; /*Q22*/
1302 26034744 : move32();
1303 26034744 : move32();
1304 26034744 : move32();
1305 : }
1306 :
1307 26034744 : FOR( j = 1; j < numch_out; j++ )
1308 : {
1309 20110028 : tmp_C1_re_fx[j][0] = hMdDec->spar_md.band_coeffs[( b + ( i_ts * IVAS_MAX_NUM_BANDS ) )].pred_re_fx[j - 1]; // Q.22
1310 20110028 : move32();
1311 : }
1312 :
1313 5924716 : IF( EQ_16( active_w, 1 ) )
1314 : {
1315 5509424 : FOR( j = 1; j < numch_out; j++ )
1316 : {
1317 :
1318 4132068 : tmp_C2_re_fx[0][j] = Mpy_32_32( active_w_dm_fac_fx, L_negate( hMdDec->spar_md.band_coeffs[( b + ( i_ts * IVAS_MAX_NUM_BANDS ) )].pred_re_fx[j - 1] ) ); // Q31 *Q22=Q22
1319 4132068 : move32();
1320 : }
1321 1377356 : re_fx = Mpy_32_32( tmp_C2_re_fx[0][1], tmp_C1_re_fx[1][0] ); // Q22 *Q22 =Q13
1322 1377356 : re_fx1 = L_add( ONE_IN_Q13, re_fx ); // Q13+Q13
1323 :
1324 1377356 : re_fx = Mpy_32_32( tmp_C2_re_fx[0][2], tmp_C1_re_fx[2][0] ); // Q22 *Q22 =Q13
1325 1377356 : re_fx1 = L_add( re_fx1, re_fx ); // Q13+Q13
1326 :
1327 1377356 : re_fx = Mpy_32_32( tmp_C2_re_fx[0][3], tmp_C1_re_fx[3][0] ); // Q22 *Q22 =Q13
1328 1377356 : tmp_dm_re_fx[0][0] = L_shl( L_add( re_fx1, re_fx ), Q9 ); // (Q13+Q13) << Q9 = Q22;
1329 1377356 : move32();
1330 :
1331 1377356 : IF( EQ_16( dyn_active_w_flag, 1 ) )
1332 : {
1333 0 : tmp_dm_re_fx[0][0] = Mpy_32_32( tmp_dm_re_fx[0][0], IVAS_SPAR_DYN_ACTIVEW_THRESH_FX ); // Q22 * Q31 = Q22
1334 0 : move32();
1335 : }
1336 :
1337 1377356 : tmp_dm_re_fx[0][1] = tmp_C2_re_fx[0][1]; /*Q22*/
1338 1377356 : move32();
1339 :
1340 1377356 : tmp_dm_re_fx[0][2] = tmp_C2_re_fx[0][2]; /*Q22*/
1341 1377356 : move32();
1342 :
1343 1377356 : tmp_dm_re_fx[0][3] = tmp_C2_re_fx[0][3]; /*Q22*/
1344 1377356 : move32();
1345 :
1346 1377356 : tmp_dm_re_fx[1][0] = tmp_C1_re_fx[1][0]; /*Q22*/
1347 1377356 : move32();
1348 :
1349 1377356 : tmp_dm_re_fx[2][0] = tmp_C1_re_fx[2][0]; /*Q22*/
1350 1377356 : move32();
1351 :
1352 1377356 : tmp_dm_re_fx[3][0] = tmp_C1_re_fx[3][0]; /*Q22*/
1353 1377356 : move32();
1354 :
1355 1377356 : IF( NE_16( hMdDec->spar_md_cfg.remix_unmix_order, 3 ) )
1356 : {
1357 1377356 : ivas_mat_col_rearrange_fx( tmp_dm_re_fx, order, i_ts, hMdDec->mixer_mat_fx, b, numch_out );
1358 : }
1359 : }
1360 : ELSE
1361 : {
1362 4547360 : IF( NE_16( hMdDec->spar_md_cfg.remix_unmix_order, 3 ) )
1363 : {
1364 4547360 : ivas_mat_col_rearrange_fx( tmp_C1_re_fx, order, i_ts, hMdDec->mixer_mat_fx, b, numch_out );
1365 : }
1366 : }
1367 5924716 : hMdDec->Q_mixer_mat = Q30;
1368 5924716 : move16();
1369 5924716 : IF( dmx_ch > 0 )
1370 : {
1371 : Word32 tmpC_re_fx[IVAS_SPAR_MAX_CH][IVAS_SPAR_MAX_CH];
1372 : Word32 tmpP_re_fx[IVAS_SPAR_MAX_CH][IVAS_SPAR_MAX_CH];
1373 :
1374 31959460 : FOR( j = 0; j < numch_out; j++ )
1375 : {
1376 26034744 : set32_fx( tmpC_re_fx[j], 0, numch_out );
1377 26034744 : set32_fx( tmpP_re_fx[j], 0, numch_out );
1378 : }
1379 :
1380 31959460 : FOR( j = 0; j < numch_out; j++ )
1381 : {
1382 26034744 : set32_fx( tmpC_re_fx[j], 0, numch_out );
1383 : }
1384 :
1385 20593280 : FOR( k = 0; k < dmx_ch; k++ )
1386 : {
1387 14668564 : tmpC_re_fx[k][k] = ONE_IN_Q22; /*Q22*/
1388 14668564 : move32();
1389 : }
1390 :
1391 17290896 : FOR( j = dmx_ch; j < numch_out; j++ )
1392 : {
1393 24667628 : FOR( k = 1; k < dmx_ch; k++ )
1394 : {
1395 13301448 : tmpC_re_fx[j][k] = hMdDec->spar_md.band_coeffs[add( b, i_mult( i_ts, IVAS_MAX_NUM_BANDS ) )].C_re_fx[sub( j, dmx_ch )][k - 1]; // Q22
1396 13301448 : move32();
1397 : }
1398 : }
1399 :
1400 17290896 : FOR( j = dmx_ch; j < numch_out; j++ )
1401 : {
1402 42551496 : FOR( k = dmx_ch; k < numch_out; k++ )
1403 : {
1404 31185316 : IF( EQ_16( sub( j, dmx_ch ), sub( k, dmx_ch ) ) )
1405 : {
1406 11366180 : tmpP_re_fx[j][k] = hMdDec->spar_md.band_coeffs[add( b, i_mult( i_ts, IVAS_MAX_NUM_BANDS ) )].P_re_fx[sub( k, dmx_ch )]; // Q22
1407 11366180 : move32();
1408 : }
1409 : ELSE
1410 : {
1411 19819136 : tmpP_re_fx[j][k] = 0;
1412 19819136 : move32();
1413 : }
1414 : }
1415 : }
1416 :
1417 :
1418 26034744 : FOR( j = 1; j < numch_out; j++ )
1419 : {
1420 64596792 : FOR( k = dmx_ch; k < numch_out; k++ )
1421 : {
1422 307305316 : FOR( m = 0; m < numch_out; m++ )
1423 : {
1424 262818552 : re_fx = Mpy_32_32( hMdDec->mixer_mat_fx[j][m][( b + ( i_ts * IVAS_MAX_NUM_BANDS ) )], tmpP_re_fx[m][k] ); // Q30*Q22 = Q21
1425 262818552 : re_fx = L_shl( re_fx, 1 ); /*Q22*/
1426 262818552 : hMdDec->spar_coeffs.P_re_fx[j][k][( ( b * bw ) + ( i_ts * IVAS_MAX_NUM_BANDS ) )] = L_add( hMdDec->spar_coeffs.P_re_fx[j][k][( ( b * bw ) + ( i_ts * IVAS_MAX_NUM_BANDS ) )], re_fx ); /*Q22*/
1427 262818552 : move32();
1428 : }
1429 : }
1430 : }
1431 :
1432 :
1433 31959460 : FOR( j = 0; j < numch_out; j++ )
1434 : {
1435 94052520 : FOR( k = 0; k < dmx_ch; k++ )
1436 : {
1437 419015856 : FOR( m = 0; m < numch_out; m++ )
1438 : {
1439 350998080 : re_fx = Mpy_32_32( hMdDec->mixer_mat_fx[j][m][( b + ( i_ts * IVAS_MAX_NUM_BANDS ) )], tmpC_re_fx[m][k] ); // Q30* Q22 = Q21
1440 350998080 : re_fx = L_shl( re_fx, 1 ); /*Q22*/
1441 350998080 : hMdDec->spar_coeffs.C_re_fx[j][k][( ( b * bw ) + ( i_ts * IVAS_MAX_NUM_BANDS ) )] = L_add( hMdDec->spar_coeffs.C_re_fx[j][k][( ( b * bw ) + ( i_ts * IVAS_MAX_NUM_BANDS ) )], re_fx ); /*Q22*/
1442 350998080 : move32();
1443 : }
1444 : }
1445 : }
1446 :
1447 11849432 : hMdDec->spar_coeffs.C_re_fx[0][0][( ( b * bw ) + ( i_ts * IVAS_MAX_NUM_BANDS ) )] =
1448 5924716 : L_max( 0, hMdDec->spar_coeffs.C_re_fx[0][0][( ( b * bw ) + ( i_ts * IVAS_MAX_NUM_BANDS ) )] ); /*Q22*/
1449 5924716 : move32();
1450 : }
1451 : }
1452 :
1453 : /* band mixing */
1454 501129 : IF( EQ_16( bw, IVAS_RED_BAND_FACT ) )
1455 : {
1456 0 : FOR( b = 0; b < num_bands_out; b = ( b + bw ) )
1457 : {
1458 0 : dmx_ch = hMdDec->spar_md_cfg.num_dmx_chans_per_band[b];
1459 0 : move16();
1460 0 : FOR( j = 0; j < numch_out; j++ )
1461 : {
1462 0 : FOR( k = dmx_ch; k < numch_out; k++ )
1463 : {
1464 0 : hMdDec->spar_coeffs.P_re_fx[j][k][( ( b + 1 ) + ( i_ts * IVAS_MAX_NUM_BANDS ) )] = hMdDec->spar_coeffs.P_re_fx[j][k][( b + ( i_ts * IVAS_MAX_NUM_BANDS ) )]; /*Q22*/
1465 0 : move32();
1466 : }
1467 : }
1468 :
1469 0 : FOR( j = 0; j < numch_out; j++ )
1470 : {
1471 0 : FOR( k = 0; k < dmx_ch; k++ )
1472 : {
1473 0 : hMdDec->spar_coeffs.C_re_fx[j][k][( ( b + 1 ) + ( i_ts * IVAS_MAX_NUM_BANDS ) )] = hMdDec->spar_coeffs.C_re_fx[j][k][( b + ( i_ts * IVAS_MAX_NUM_BANDS ) )]; /*Q22*/
1474 0 : move32();
1475 : }
1476 : }
1477 : }
1478 : }
1479 : }
1480 :
1481 140904 : return;
1482 : }
1483 :
1484 : /*-----------------------------------------------------------------------------------------*
1485 : * Function ivas_mat_col_rearrange()
1486 : *
1487 : * reorders the input matrix based on order
1488 : *-----------------------------------------------------------------------------------------*/
1489 :
1490 5924716 : static void ivas_mat_col_rearrange_fx(
1491 : Word32 in_re[IVAS_SPAR_MAX_CH][IVAS_SPAR_MAX_CH], /*Q22*/
1492 : const Word16 order[IVAS_SPAR_MAX_CH], /*Q0*/
1493 : const Word16 i_ts, /*Q0*/
1494 : Word32 ***mixer_mat, /*Q30*/
1495 : const Word16 bands, /*Q0*/
1496 : const Word16 num_ch /*Q0*/ )
1497 : {
1498 : Word16 i, j, idx;
1499 :
1500 31959460 : FOR( i = 0; i < num_ch; i++ )
1501 : {
1502 26034744 : idx = order[i]; /*Q0*/
1503 26034744 : move16();
1504 :
1505 149905464 : FOR( j = 0; j < num_ch; j++ )
1506 : {
1507 123870720 : mixer_mat[j][i][( bands + ( i_ts * IVAS_MAX_NUM_BANDS ) )] = L_shl_sat( in_re[j][idx], Q8 ); /*Q30*/
1508 123870720 : move32();
1509 : }
1510 : }
1511 :
1512 5924716 : return;
1513 : }
1514 :
1515 : /*-----------------------------------------------------------------------------------------*
1516 : * Function ivas_spar_dec_gen_umx_mat()
1517 : *
1518 : * generates upmix matrix
1519 : *-----------------------------------------------------------------------------------------*/
1520 182441 : void ivas_spar_dec_gen_umx_mat_fx(
1521 : ivas_spar_md_dec_state_t *hMdDec, /* i/o: SPAR MD decoder handle */
1522 : const Word16 nchan_transport, /* i : number of transport channels Q0*/
1523 : const Word16 num_bands_out, /* i : number of output bands Q0*/
1524 : const Word16 bfi, /* i : bad frame indicator Q0*/
1525 : const Word16 num_md_sub_frames /*Q0*/ )
1526 : {
1527 : Word16 i, j, b, i_ts, num_out_ch;
1528 182441 : num_out_ch = hMdDec->spar_md_cfg.num_umx_chs;
1529 182441 : move16();
1530 837784 : FOR( i_ts = 0; i_ts < num_md_sub_frames; i_ts++ )
1531 : {
1532 655343 : IF( EQ_16( hMdDec->td_decorr_flag, 1 ) )
1533 : {
1534 3462119 : FOR( i = 0; i < num_out_ch; i++ )
1535 : {
1536 9466884 : FOR( j = 0; j < nchan_transport; j++ )
1537 : {
1538 85693404 : FOR( b = 0; b < num_bands_out; b++ )
1539 : {
1540 79033296 : hMdDec->mixer_mat_fx[i][j][( b + ( i_ts * IVAS_MAX_NUM_BANDS ) )] = L_shl_sat( hMdDec->spar_coeffs.C_re_fx[i][j][( b + ( i_ts * IVAS_MAX_NUM_BANDS ) )], Q8 ); /*Q30*/
1541 79033296 : move32();
1542 : }
1543 : }
1544 : }
1545 3462119 : FOR( i = 0; i < num_out_ch; i++ )
1546 : {
1547 8955924 : FOR( j = nchan_transport; j < num_out_ch; j++ )
1548 : {
1549 79034924 : FOR( b = 0; b < num_bands_out; b++ )
1550 : {
1551 72885776 : hMdDec->mixer_mat_fx[i][j][( b + ( i_ts * IVAS_MAX_NUM_BANDS ) )] = L_shl_sat( hMdDec->spar_coeffs.P_re_fx[i][j][( b + ( i_ts * IVAS_MAX_NUM_BANDS ) )], Q8 ); /*Q30*/
1552 72885776 : move32();
1553 : }
1554 : }
1555 : }
1556 : }
1557 : ELSE
1558 : {
1559 0 : FOR( i = 0; i < num_out_ch; i++ )
1560 : {
1561 0 : FOR( j = 0; j < nchan_transport; j++ )
1562 : {
1563 0 : FOR( b = 0; b < num_bands_out; b++ )
1564 : {
1565 0 : hMdDec->mixer_mat_fx[i][j][( b + ( i_ts * IVAS_MAX_NUM_BANDS ) )] = L_shl_sat( hMdDec->spar_coeffs.C_re_fx[i][j][( b + ( i_ts * IVAS_MAX_NUM_BANDS ) )], Q8 ); /*Q30*/
1566 0 : move32();
1567 : }
1568 : }
1569 : }
1570 : }
1571 : }
1572 182441 : hMdDec->Q_mixer_mat = Q30;
1573 182441 : move16();
1574 182441 : ivas_spar_dec_compute_ramp_down_post_matrix_fx( hMdDec, num_bands_out, bfi, num_md_sub_frames );
1575 182441 : return;
1576 : }
1577 :
1578 11500 : static void ivas_spar_md_band_upmix(
1579 : ivas_band_coeffs_t *band_coeffs,
1580 : Word16 *nB, /*Q0*/
1581 : Word16 *bands_bw, /*Q0*/
1582 : Word16 *valid_bands, /*Q0*/
1583 : Word16 bw_final, /*Q0*/
1584 : Word16 ndec, /*Q0*/
1585 : Word16 ndm /*Q0*/ )
1586 : {
1587 : Word16 i, ii, jj, b, idx, bw_fact;
1588 :
1589 11500 : bw_fact = idiv1616( *bands_bw, bw_final ); /*Q0*/
1590 56386 : FOR( i = sub( *nB, 1 ); i >= 0; i-- )
1591 : {
1592 :
1593 136886 : FOR( b = sub( bw_fact, 1 ); b >= 0; b-- )
1594 : {
1595 92000 : idx = add( i_mult( i, bw_fact ), b ); /*Q0*/
1596 368000 : FOR( ii = 0; ii < ( ( ndec + ndm ) - 1 ); ii++ )
1597 : {
1598 276000 : band_coeffs[idx].pred_re_fx[ii] = band_coeffs[i].pred_re_fx[ii]; /*Q22*/
1599 276000 : move32();
1600 : }
1601 365456 : FOR( ii = 0; ii < ndec; ii++ )
1602 : {
1603 278544 : FOR( jj = 0; jj < sub( ndm, 1 ); jj++ )
1604 : {
1605 5088 : band_coeffs[idx].C_re_fx[ii][jj] = band_coeffs[i].C_re_fx[ii][jj]; /*Q22*/
1606 5088 : move32();
1607 : }
1608 : }
1609 365456 : FOR( jj = 0; jj < ndec; jj++ )
1610 : {
1611 273456 : band_coeffs[idx].P_re_fx[jj] = band_coeffs[i].P_re_fx[jj]; /*Q22*/
1612 273456 : move32();
1613 : }
1614 92000 : valid_bands[idx] = valid_bands[i]; /*Q0*/
1615 92000 : move16();
1616 : }
1617 : }
1618 11500 : *nB = idiv1616( i_mult( ( *nB ), ( *bands_bw ) ), bw_final ); /*Q0*/
1619 11500 : move16();
1620 11500 : *bands_bw = bw_final; /*Q0*/
1621 11500 : move16();
1622 :
1623 11500 : return;
1624 : }
1625 :
1626 : /*-----------------------------------------------------------------------------------------*
1627 : * Function ivas_spar_dec_parse_md_bs()
1628 : *
1629 : * Parse SPAR MD bitstream
1630 : *-----------------------------------------------------------------------------------------*/
1631 :
1632 140904 : static void ivas_spar_dec_parse_md_bs_fx(
1633 : ivas_spar_md_dec_state_t *hMdDec,
1634 : Decoder_State *st0,
1635 : Word16 *nB, /*Q0*/
1636 : Word16 *bands_bw, /*Q0*/
1637 : Word16 *dtx_vad, /*Q0*/
1638 : const Word32 ivas_total_brate, /*Q0*/
1639 : const Word16 sba_inactive_mode /*Q0*/ )
1640 : {
1641 : Word16 i, j, k, num_bands;
1642 : Word16 ii, jj, ndec, ndm;
1643 : UWord16 qsi;
1644 : ivas_quant_strat_t qs;
1645 : Word16 strat, no_ec;
1646 : Word16 do_diff[IVAS_MAX_NUM_BANDS];
1647 : Word32 quant_fx[IVAS_SPAR_MAX_C_COEFF];
1648 : Word16 do_repeat[IVAS_MAX_NUM_BANDS];
1649 140904 : *dtx_vad = 1;
1650 140904 : move16();
1651 140904 : *bands_bw = 1;
1652 140904 : move16();
1653 140904 : qsi = 0;
1654 140904 : move16();
1655 140904 : num_bands = hMdDec->spar_md.num_bands;
1656 140904 : move16();
1657 :
1658 140904 : IF( GT_32( ivas_total_brate, IVAS_SID_5k2 ) )
1659 : {
1660 140580 : IF( hMdDec->spar_md_cfg.quant_strat_bits > 0 )
1661 : {
1662 140580 : IF( GE_32( ivas_total_brate, BRATE_SPAR_Q_STRAT ) )
1663 : {
1664 : /*only one bit written for quantization strategy to indicate either a fixed quantization strategy or dtx_vad==0 */
1665 36993 : qsi = get_next_indice_fx( st0, 1 ); /*Q0*/
1666 36993 : if ( EQ_32( qsi, 1 ) )
1667 : {
1668 0 : *dtx_vad = 0;
1669 0 : move16();
1670 : }
1671 : }
1672 : ELSE
1673 : {
1674 103587 : IF( EQ_16( sba_inactive_mode, 1 ) )
1675 : {
1676 233 : *dtx_vad = 0;
1677 233 : move16();
1678 233 : qsi = add( hMdDec->spar_md_cfg.quant_strat_bits, 1 );
1679 : }
1680 : ELSE
1681 : {
1682 103354 : qsi = get_next_indice_fx( st0, hMdDec->spar_md_cfg.quant_strat_bits );
1683 : }
1684 : }
1685 : }
1686 : ELSE
1687 : {
1688 0 : qsi = 0;
1689 0 : move16();
1690 : }
1691 : }
1692 : ELSE
1693 : {
1694 324 : *dtx_vad = 0;
1695 324 : move16();
1696 : }
1697 :
1698 140904 : hMdDec->dtx_vad = *dtx_vad; /*Q0*/
1699 140904 : move16();
1700 :
1701 140904 : IF( *dtx_vad == 0 )
1702 : {
1703 557 : *nB = SPAR_DTX_BANDS;
1704 557 : move16();
1705 557 : *bands_bw = idiv1616( num_bands, *nB ); /*Q0*/
1706 557 : move16();
1707 :
1708 1671 : FOR( i = 0; i < *nB; i++ )
1709 : {
1710 12254 : FOR( j = 0; j < IVAS_SPAR_MAX_CH - 1; j++ )
1711 : {
1712 11140 : hMdDec->spar_md.band_coeffs[i].pred_re_fx[j] = 0;
1713 11140 : move32();
1714 11140 : hMdDec->spar_md.band_coeffs[i].P_re_fx[j] = 0;
1715 11140 : move32();
1716 : }
1717 1114 : hMdDec->valid_bands[i] = 1;
1718 1114 : move16();
1719 : }
1720 :
1721 5013 : FOR( i = 0; i < num_bands; i++ )
1722 : {
1723 35648 : FOR( j = 0; j < ( IVAS_SPAR_MAX_CH - IVAS_SPAR_MAX_DMX_CHS ); j++ )
1724 : {
1725 124768 : FOR( k = 0; k < ( IVAS_SPAR_MAX_DMX_CHS - 1 ); k++ )
1726 : {
1727 93576 : hMdDec->spar_md.band_coeffs[i].C_re_fx[j][k] = 0;
1728 93576 : move32();
1729 : }
1730 : }
1731 : }
1732 :
1733 557 : ivas_parse_parameter_bitstream_dtx( &hMdDec->spar_md, st0, *bands_bw, *nB, hMdDec->spar_md_cfg.num_dmx_chans_per_band, hMdDec->spar_md_cfg.num_decorr_per_band );
1734 :
1735 557 : IF( NE_16( *bands_bw, 1 ) )
1736 : {
1737 557 : ndec = hMdDec->spar_md_cfg.num_decorr_per_band[0]; /*Q0*/
1738 557 : move16();
1739 557 : ndm = hMdDec->spar_md_cfg.num_dmx_chans_per_band[0]; /*Q0*/
1740 557 : move16();
1741 557 : ivas_spar_md_band_upmix(
1742 : hMdDec->spar_md.band_coeffs,
1743 : nB,
1744 : bands_bw,
1745 557 : hMdDec->valid_bands,
1746 : 1,
1747 : ndec,
1748 : ndm );
1749 : }
1750 :
1751 557 : return;
1752 : }
1753 :
1754 140347 : qs = hMdDec->spar_md_cfg.quant_strat[qsi];
1755 :
1756 140347 : strat = get_next_indice_fx( st0, 3 ); /*Q0*/
1757 :
1758 140347 : no_ec = 0;
1759 140347 : move16();
1760 :
1761 140347 : IF( LT_16( strat, 2 ) )
1762 : {
1763 52471 : *bands_bw = add( strat, 1 );
1764 52471 : move16();
1765 52471 : *nB = idiv1616( num_bands, *bands_bw ); /*Q0*/
1766 52471 : move16();
1767 554399 : FOR( i = 0; i < *nB; i++ )
1768 : {
1769 501928 : do_diff[i] = 0;
1770 501928 : move16();
1771 501928 : do_repeat[i] = 0;
1772 501928 : move16();
1773 : }
1774 : }
1775 87876 : ELSE IF( LT_16( strat, 4 ) )
1776 : {
1777 2634 : *bands_bw = sub( strat, 1 );
1778 2634 : move16();
1779 2634 : *nB = idiv1616( num_bands, *bands_bw ); /*Q0*/
1780 2634 : move16();
1781 23378 : FOR( i = 0; i < *nB; i++ )
1782 : {
1783 20744 : do_diff[i] = 0;
1784 20744 : move16();
1785 20744 : do_repeat[i] = 0;
1786 20744 : move16();
1787 : }
1788 2634 : no_ec = 1;
1789 2634 : move16();
1790 : }
1791 85242 : ELSE IF( LT_32( ivas_total_brate, IVAS_24k4 ) )
1792 : {
1793 10588 : *bands_bw = 2;
1794 10588 : move16();
1795 10588 : *nB = idiv1616( num_bands, *bands_bw ); /*Q0*/
1796 10588 : move16();
1797 :
1798 52940 : FOR( i = 0; i < *nB; i++ )
1799 : {
1800 42352 : do_diff[i] = 0;
1801 42352 : move16();
1802 42352 : do_repeat[i] = extract_l( EQ_16( ( strat % 2 ), ( add( i, 1 ) % 2 ) ) ); /*Q0*/
1803 42352 : move16();
1804 : }
1805 : }
1806 : ELSE
1807 : {
1808 74654 : *bands_bw = 1;
1809 74654 : move16();
1810 74654 : *nB = num_bands;
1811 74654 : move16();
1812 :
1813 671886 : FOR( i = 0; i < *nB; i++ )
1814 : {
1815 597232 : do_diff[i] = extract_l( NE_16( s_and( add( i, 1 ), 3 ), sub( strat, 4 ) ) ); /*Q0*/
1816 597232 : move16();
1817 597232 : do_repeat[i] = 0;
1818 597232 : move16();
1819 : }
1820 74654 : IF( hMdDec->spar_md_cfg.prev_quant_idx >= 0 )
1821 : {
1822 74647 : ivas_map_prior_coeffs_quant( &hMdDec->spar_md_prev, &hMdDec->spar_md_cfg, qsi, *nB );
1823 : }
1824 : }
1825 140347 : hMdDec->spar_md_cfg.prev_quant_idx = qsi;
1826 140347 : move16();
1827 :
1828 140347 : IF( no_ec == 0 )
1829 : {
1830 137713 : ivas_decode_arith_bs( hMdDec, st0, qsi, *nB, *bands_bw, do_diff, strat, ivas_total_brate );
1831 : }
1832 : ELSE
1833 : {
1834 2634 : ivas_decode_huffman_bs( hMdDec, st0, qsi, *nB, *bands_bw );
1835 : }
1836 :
1837 1302603 : FOR( i = 0; i < *nB; i++ )
1838 : {
1839 1162256 : ndec = hMdDec->spar_md_cfg.num_decorr_per_band[( ( *bands_bw ) * i )]; /*Q0*/
1840 1162256 : move16();
1841 1162256 : ndm = hMdDec->spar_md_cfg.num_dmx_chans_per_band[( ( *bands_bw ) * i )]; /*Q0*/
1842 1162256 : move16();
1843 :
1844 1162256 : ivas_deindex_real_index_fx( hMdDec->spar_md.band_coeffs_idx[i].pred_index_re, qs.PR.q_levels[0], qs.PR.min_fx, qs.PR.max_fx, hMdDec->spar_md.band_coeffs[i].pred_re_fx, sub( add( ndm, ndec ), 1 ) );
1845 :
1846 1162256 : j = 0;
1847 1162256 : move16();
1848 3918164 : FOR( ii = 0; ii < ndec; ii++ )
1849 : {
1850 7321892 : FOR( jj = 0; jj < sub( ndm, 1 ); jj++ )
1851 : {
1852 4565984 : quant_fx[j] = hMdDec->spar_md.band_coeffs[i].C_re_fx[ii][jj]; /*Q22*/
1853 4565984 : move32();
1854 4565984 : j = add( j, 1 );
1855 : }
1856 : }
1857 :
1858 1162256 : ivas_deindex_real_index_fx( hMdDec->spar_md.band_coeffs_idx[i].drct_index_re, qs.C.q_levels[0], qs.C.min_fx, qs.C.max_fx, quant_fx, i_mult( ndec, sub( ndm, 1 ) ) );
1859 :
1860 1162256 : j = 0;
1861 1162256 : move16();
1862 3918164 : FOR( ii = 0; ii < ndec; ii++ )
1863 : {
1864 7321892 : FOR( jj = 0; jj < sub( ndm, 1 ); jj++ )
1865 : {
1866 4565984 : hMdDec->spar_md.band_coeffs[i].C_re_fx[ii][jj] = quant_fx[j]; /*Q22*/
1867 4565984 : move32();
1868 4565984 : j = add( j, 1 );
1869 : }
1870 : }
1871 :
1872 1162256 : ivas_deindex_real_index_fx( hMdDec->spar_md.band_coeffs_idx[i].decd_index_re, qs.P_r.q_levels[0], qs.P_r.min_fx, qs.P_r.max_fx, hMdDec->spar_md.band_coeffs[i].P_re_fx, sub( add( ndm, ndec ), 1 ) );
1873 :
1874 : /* Store prior coefficient indices */
1875 5819024 : FOR( j = 0; j < ( ( ndm + ndec ) - 1 ); j++ )
1876 : {
1877 4656768 : hMdDec->spar_md_prev.band_coeffs_idx[i].pred_index_re[j] = hMdDec->spar_md.band_coeffs_idx[i].pred_index_re[j]; /*Q0*/
1878 4656768 : move16();
1879 : }
1880 5728240 : FOR( j = 0; j < ( ndec * ( ndm - 1 ) ); j++ )
1881 : {
1882 4565984 : hMdDec->spar_md_prev.band_coeffs_idx[i].drct_index_re[j] = hMdDec->spar_md.band_coeffs_idx[i].drct_index_re[j]; /*Q0*/
1883 4565984 : move16();
1884 : }
1885 3918164 : FOR( j = 0; j < ndec; j++ )
1886 : {
1887 2755908 : hMdDec->spar_md_prev.band_coeffs_idx[i].decd_index_re[j] = hMdDec->spar_md.band_coeffs_idx[i].decd_index_re[j]; /*Q0*/
1888 2755908 : move16();
1889 : }
1890 1162256 : test();
1891 1162256 : IF( ( do_diff[i] == 0 ) && ( do_repeat[i] == 0 ) )
1892 : {
1893 693156 : hMdDec->valid_bands[i] = s_or( hMdDec->valid_bands[i], 1 );
1894 693156 : move16();
1895 : }
1896 : ELSE
1897 : {
1898 469100 : hMdDec->valid_bands[i] = s_or( hMdDec->valid_bands[i], 0 );
1899 469100 : move16();
1900 : }
1901 : }
1902 :
1903 140347 : ndec = hMdDec->spar_md_cfg.num_decorr_per_band[0];
1904 140347 : move16();
1905 140347 : ndm = hMdDec->spar_md_cfg.num_dmx_chans_per_band[0];
1906 140347 : move16();
1907 140347 : IF( NE_16( *bands_bw, 1 ) )
1908 : {
1909 10943 : ivas_spar_md_band_upmix(
1910 : hMdDec->spar_md.band_coeffs,
1911 : nB,
1912 : bands_bw,
1913 10943 : hMdDec->valid_bands,
1914 : 1,
1915 : ndec,
1916 : ndm );
1917 : }
1918 :
1919 :
1920 140347 : return;
1921 : }
1922 :
1923 :
1924 : /*-----------------------------------------------------------------------------------------*
1925 : * Function ivas_decode_arith_bs()
1926 : *
1927 : * Decode bitstream with arith decoder
1928 : *-----------------------------------------------------------------------------------------*/
1929 :
1930 137713 : static void ivas_decode_arith_bs(
1931 : ivas_spar_md_dec_state_t *hMdDec,
1932 : Decoder_State *st0, /* i/o: decoder state structure - for bitstream handling*/
1933 : const UWord16 qsi, /*Q0*/
1934 : const Word16 nB, /*Q0*/
1935 : const Word16 bands_bw, /*Q0*/
1936 : Word16 *pDo_diff, /*Q0*/
1937 : const Word16 strat, /*Q0*/
1938 : const Word32 ivas_total_brate /*Q0*/ )
1939 : {
1940 : Word16 i, ndm, ndec;
1941 : Word16 j;
1942 : ivas_cell_dim_t pred_cell_dims[IVAS_MAX_NUM_BANDS];
1943 : ivas_cell_dim_t drct_cell_dims[IVAS_MAX_NUM_BANDS];
1944 : ivas_cell_dim_t decd_cell_dims[IVAS_MAX_NUM_BANDS];
1945 : ivas_cell_dim_t decx_cell_dims[IVAS_MAX_NUM_BANDS];
1946 : Word16 symbol_arr_re[IVAS_MAX_INPUT_LEN];
1947 : Word16 symbol_arr_old_re[IVAS_MAX_INPUT_LEN];
1948 : Word16 any_diff;
1949 :
1950 1279225 : FOR( i = 0; i < nB; i++ )
1951 : {
1952 1141512 : ndm = hMdDec->spar_md_cfg.num_dmx_chans_per_band[bands_bw * i];
1953 1141512 : ndec = hMdDec->spar_md_cfg.num_decorr_per_band[bands_bw * i];
1954 1141512 : move16();
1955 1141512 : move16();
1956 1141512 : test();
1957 1141512 : test();
1958 1141512 : test();
1959 1141512 : test();
1960 1141512 : test();
1961 1141512 : IF( LT_32( ivas_total_brate, IVAS_24k4 ) && GT_16( strat, 3 ) && ( ( EQ_16( i % 2, 1 ) && ( strat % 2 == 0 ) ) || ( ( i % 2 == 0 ) && EQ_16( strat % 2, 1 ) ) ) )
1962 : {
1963 21176 : pred_cell_dims[i].dim1 = 0;
1964 21176 : pred_cell_dims[i].dim2 = 0;
1965 21176 : drct_cell_dims[i].dim1 = 0;
1966 21176 : drct_cell_dims[i].dim2 = 0;
1967 21176 : decd_cell_dims[i].dim1 = 0;
1968 21176 : decd_cell_dims[i].dim2 = 0;
1969 21176 : decx_cell_dims[i].dim1 = 0;
1970 21176 : decx_cell_dims[i].dim2 = 0;
1971 21176 : move16();
1972 21176 : move16();
1973 21176 : move16();
1974 21176 : move16();
1975 21176 : move16();
1976 21176 : move16();
1977 21176 : move16();
1978 21176 : move16();
1979 : }
1980 : ELSE
1981 : {
1982 1120336 : pred_cell_dims[i].dim1 = add( ndm, sub( ndec, 1 ) ); /*Q0*/
1983 1120336 : move16();
1984 1120336 : IF( hMdDec->spar_hoa_md_flag && hMdDec->spar_hoa_dirac2spar_md_flag )
1985 : {
1986 131388 : IF( GE_16( i, SPAR_DIRAC_SPLIT_START_BAND ) )
1987 : {
1988 43796 : pred_cell_dims[i].dim1 = sub( pred_cell_dims[i].dim1, ( FOA_CHANNELS - 1 ) );
1989 43796 : move16();
1990 : }
1991 : }
1992 1120336 : pred_cell_dims[i].dim2 = 1;
1993 1120336 : drct_cell_dims[i].dim1 = ndec;
1994 1120336 : drct_cell_dims[i].dim2 = sub( ndm, 1 );
1995 1120336 : decd_cell_dims[i].dim1 = ndec;
1996 1120336 : decd_cell_dims[i].dim2 = 1;
1997 1120336 : decx_cell_dims[i].dim1 = shr( imult1616( ndec, sub( ndec, 1 ) ), 1 );
1998 1120336 : decx_cell_dims[i].dim2 = 1;
1999 1120336 : move16();
2000 1120336 : move16();
2001 1120336 : move16();
2002 1120336 : move16();
2003 1120336 : move16();
2004 1120336 : move16();
2005 1120336 : move16();
2006 : }
2007 : }
2008 :
2009 137713 : any_diff = 0;
2010 137713 : move16();
2011 700743 : FOR( i = 0; i < nB; i++ )
2012 : {
2013 637684 : IF( pDo_diff[i] != 0 )
2014 : {
2015 74654 : any_diff = 1;
2016 74654 : move16();
2017 74654 : break;
2018 : }
2019 : }
2020 :
2021 137713 : IF( EQ_16( any_diff, 1 ) )
2022 : {
2023 74654 : IF( hMdDec->spar_hoa_md_flag && hMdDec->spar_hoa_dirac2spar_md_flag )
2024 : {
2025 0 : FOR( i = 0; i < nB; i++ )
2026 : {
2027 0 : IF( GE_16( i, SPAR_DIRAC_SPLIT_START_BAND ) )
2028 : {
2029 0 : FOR( j = 0; j < pred_cell_dims[i].dim1; j++ )
2030 : {
2031 0 : hMdDec->spar_md_prev.band_coeffs_idx_mapped[i].pred_index_re[j] =
2032 0 : hMdDec->spar_md_prev.band_coeffs_idx_mapped[i].pred_index_re[j + ( FOA_CHANNELS - 1 )]; /*Q0*/
2033 0 : move16();
2034 : }
2035 : }
2036 : }
2037 : }
2038 :
2039 74654 : ivas_copy_band_coeffs_idx_to_arr( hMdDec->spar_md_prev.band_coeffs_idx_mapped, nB, symbol_arr_old_re, pred_cell_dims, PRED_COEFF );
2040 : }
2041 :
2042 137713 : ivas_arith_decode_cmplx_cell_array( &hMdDec->arith_coeffs.pred_arith_re[qsi], &hMdDec->arith_coeffs.pred_arith_re_diff[qsi],
2043 : st0, pred_cell_dims, pDo_diff, nB, symbol_arr_re, symbol_arr_old_re );
2044 :
2045 137713 : ivas_fill_band_coeffs_idx( hMdDec->spar_md.band_coeffs_idx, nB, symbol_arr_re, pred_cell_dims, PRED_COEFF );
2046 :
2047 137713 : IF( hMdDec->spar_hoa_md_flag && hMdDec->spar_hoa_dirac2spar_md_flag )
2048 : {
2049 142337 : FOR( i = 0; i < nB; i++ )
2050 : {
2051 131388 : IF( GE_16( i, SPAR_DIRAC_SPLIT_START_BAND ) )
2052 : {
2053 175116 : FOR( j = pred_cell_dims[i].dim1 - 1; j >= 0; j-- )
2054 : {
2055 131320 : hMdDec->spar_md.band_coeffs_idx[i].pred_index_re[j + ( FOA_CHANNELS - 1 )] =
2056 131320 : hMdDec->spar_md.band_coeffs_idx[i].pred_index_re[j]; /*Q0*/
2057 131320 : move16();
2058 : }
2059 175184 : FOR( j = 0; j < FOA_CHANNELS - 1; j++ )
2060 : {
2061 131388 : hMdDec->spar_md.band_coeffs_idx[i].pred_index_re[j] = 0;
2062 131388 : move16();
2063 : }
2064 : }
2065 : }
2066 : }
2067 :
2068 137713 : IF( EQ_16( any_diff, 1 ) )
2069 : {
2070 74654 : ivas_copy_band_coeffs_idx_to_arr( hMdDec->spar_md_prev.band_coeffs_idx_mapped, nB, symbol_arr_old_re, drct_cell_dims, DRCT_COEFF );
2071 : }
2072 :
2073 137713 : ivas_arith_decode_cmplx_cell_array( &hMdDec->arith_coeffs.drct_arith_re[qsi], &hMdDec->arith_coeffs.drct_arith_re_diff[qsi],
2074 : st0, drct_cell_dims, pDo_diff, nB, symbol_arr_re, symbol_arr_old_re );
2075 :
2076 137713 : ivas_fill_band_coeffs_idx( hMdDec->spar_md.band_coeffs_idx, nB, symbol_arr_re, drct_cell_dims, DRCT_COEFF );
2077 :
2078 137713 : IF( EQ_16( any_diff, 1 ) )
2079 : {
2080 74654 : ivas_copy_band_coeffs_idx_to_arr( hMdDec->spar_md_prev.band_coeffs_idx_mapped, nB, symbol_arr_old_re, decd_cell_dims, DECD_COEFF );
2081 : }
2082 :
2083 137713 : ivas_arith_decode_cmplx_cell_array( &hMdDec->arith_coeffs.decd_arith_re[qsi], &hMdDec->arith_coeffs.decd_arith_re_diff[qsi],
2084 : st0, decd_cell_dims, pDo_diff, nB, symbol_arr_re, symbol_arr_old_re );
2085 :
2086 137713 : ivas_fill_band_coeffs_idx( hMdDec->spar_md.band_coeffs_idx, nB, symbol_arr_re, decd_cell_dims, DECD_COEFF );
2087 :
2088 137713 : IF( EQ_16( any_diff, 1 ) )
2089 : {
2090 74654 : ivas_copy_band_coeffs_idx_to_arr( hMdDec->spar_md_prev.band_coeffs_idx_mapped, nB, symbol_arr_old_re, decx_cell_dims, DECX_COEFF );
2091 : }
2092 :
2093 137713 : ivas_fill_band_coeffs_idx( hMdDec->spar_md.band_coeffs_idx, nB, symbol_arr_re, decx_cell_dims, DECX_COEFF );
2094 :
2095 137713 : return;
2096 : }
2097 :
2098 : /*-----------------------------------------------------------------------------------------*
2099 : * Function ivas_fill_band_coeffs_idx()
2100 : *
2101 : * Copy pred band coeffs to arr
2102 : *-----------------------------------------------------------------------------------------*/
2103 :
2104 550852 : static void ivas_fill_band_coeffs_idx(
2105 : ivas_band_coeffs_ind_t *pBands_idx,
2106 : const Word16 nB, /*Q0*/
2107 : Word16 *pSymbol_re, /*Q0*/
2108 : ivas_cell_dim_t *pCell_dims,
2109 : const ivas_coeffs_type_t coeff_type )
2110 : {
2111 : Word16 i, len;
2112 550852 : Word16 *pPtr_idx = NULL;
2113 :
2114 5116900 : FOR( i = 0; i < nB; i++ )
2115 : {
2116 4566048 : SWITCH( coeff_type )
2117 : {
2118 1141512 : case PRED_COEFF:
2119 : {
2120 1141512 : pPtr_idx = pBands_idx[i].pred_index_re;
2121 1141512 : BREAK;
2122 : }
2123 1141512 : case DRCT_COEFF:
2124 : {
2125 1141512 : pPtr_idx = pBands_idx[i].drct_index_re;
2126 1141512 : BREAK;
2127 : }
2128 1141512 : case DECD_COEFF:
2129 : {
2130 1141512 : pPtr_idx = pBands_idx[i].decd_index_re;
2131 1141512 : BREAK;
2132 : }
2133 1141512 : case DECX_COEFF:
2134 : {
2135 1141512 : BREAK;
2136 : }
2137 :
2138 0 : default:
2139 0 : assert( !"unsupported config!" );
2140 : }
2141 :
2142 4566048 : IF( NE_16( coeff_type, DECX_COEFF ) )
2143 : {
2144 3424536 : len = imult1616( pCell_dims[i].dim1, pCell_dims[i].dim2 ); /*Q0*/
2145 3424536 : Copy( pSymbol_re, pPtr_idx, len ); /*Q0*/
2146 3424536 : pSymbol_re += len;
2147 : }
2148 : }
2149 :
2150 550852 : return;
2151 : }
2152 :
2153 :
2154 : /*-----------------------------------------------------------------------------------------*
2155 : * Function ivas_decode_huffman_bs()
2156 : *
2157 : * Decode bitstream with huffman decoder
2158 : *-----------------------------------------------------------------------------------------*/
2159 :
2160 2634 : static void ivas_decode_huffman_bs(
2161 : ivas_spar_md_dec_state_t *hMdDec,
2162 : Decoder_State *st0, /* i/o: decoder state structure - for bitstream handling*/
2163 : const UWord16 qsi, /*Q0*/
2164 : const Word16 nB, /*Q0*/
2165 : const Word16 bands_bw /*Q0*/ )
2166 : {
2167 : Word16 i, j;
2168 : Word16 ndm, ndec;
2169 : Word16 pred_dim, drct_dim, decd_dim, pred_offset;
2170 :
2171 23378 : FOR( i = 0; i < nB; i++ )
2172 : {
2173 20744 : ndm = hMdDec->spar_md_cfg.num_dmx_chans_per_band[bands_bw * i]; /*Q0*/
2174 20744 : ndec = hMdDec->spar_md_cfg.num_decorr_per_band[bands_bw * i]; /*Q0*/
2175 20744 : move16();
2176 20744 : move16();
2177 :
2178 20744 : pred_dim = sub( add( ndec, ndm ), 1 );
2179 20744 : drct_dim = imult1616( ndec, sub( ndm, 1 ) ); /*Q0*/
2180 20744 : decd_dim = ndec;
2181 20744 : pred_offset = 0;
2182 20744 : move16();
2183 20744 : move16();
2184 :
2185 20744 : IF( hMdDec->spar_hoa_md_flag && hMdDec->spar_hoa_dirac2spar_md_flag )
2186 : {
2187 0 : IF( GE_16( i, SPAR_DIRAC_SPLIT_START_BAND ) )
2188 : {
2189 0 : pred_offset = FOA_CHANNELS - 1;
2190 0 : move16();
2191 : }
2192 : }
2193 :
2194 82976 : FOR( j = pred_offset; j < pred_dim; j++ )
2195 : {
2196 62232 : ivas_huffman_decode( &hMdDec->huff_coeffs.pred_huff_re[qsi], st0, &hMdDec->spar_md.band_coeffs_idx[i].pred_index_re[j] );
2197 : }
2198 :
2199 20744 : IF( hMdDec->spar_hoa_md_flag && hMdDec->spar_hoa_dirac2spar_md_flag )
2200 : {
2201 0 : IF( i >= SPAR_DIRAC_SPLIT_START_BAND )
2202 : {
2203 0 : FOR( j = 0; j < pred_offset; j++ )
2204 : {
2205 0 : hMdDec->spar_md.band_coeffs_idx[i].pred_index_re[j] = 0;
2206 0 : move16();
2207 : }
2208 : }
2209 : }
2210 :
2211 22984 : FOR( j = 0; j < drct_dim; j++ )
2212 : {
2213 2240 : ivas_huffman_decode( &hMdDec->huff_coeffs.drct_huff_re[qsi], st0, &hMdDec->spar_md.band_coeffs_idx[i].drct_index_re[j] );
2214 : }
2215 :
2216 24736 : FOR( j = 0; j < decd_dim; j++ )
2217 : {
2218 3992 : ivas_huffman_decode( &hMdDec->huff_coeffs.decd_huff_re[qsi], st0, &hMdDec->spar_md.band_coeffs_idx[i].decd_index_re[j] );
2219 : }
2220 : }
2221 :
2222 2634 : return;
2223 : }
2224 :
2225 281808 : static void ivas_spar_plc_get_band_age(
2226 : const Word16 *valid_bands, /*Q0*/
2227 : Word16 *base_band_age, /*Q0*/
2228 : const Word16 num_bands, /*Q0*/
2229 : Word16 last_valid_band_idx[IVAS_MAX_NUM_BANDS], /*Q0*/
2230 : Word16 valid_band_idx[IVAS_MAX_NUM_BANDS], /*Q0*/
2231 : Word16 *all_valid, /*Q0*/
2232 : Word16 *b_idx /*Q0*/ )
2233 : {
2234 : Word16 b, idx;
2235 :
2236 281808 : set16_fx( valid_band_idx, 0, IVAS_MAX_NUM_BANDS );
2237 281808 : set16_fx( last_valid_band_idx, 0, IVAS_MAX_NUM_BANDS );
2238 281808 : idx = -1;
2239 281808 : *all_valid = 1;
2240 281808 : move16();
2241 281808 : move16();
2242 3160932 : FOR( b = 0; b < num_bands; b++ ){
2243 2879124 : IF( valid_bands[b] != 0 ){
2244 2845532 : base_band_age[b] = 0; /* reset band age */
2245 2845532 : idx = add( idx, 1 );
2246 2845532 : valid_band_idx[idx] = b;
2247 2845532 : move16();
2248 2845532 : move16();
2249 : }
2250 : ELSE
2251 : {
2252 33592 : base_band_age[b] = add( base_band_age[b], 1 ); /* increment the age of invalid bands */ /*Q0*/
2253 :
2254 33592 : IF( GT_16( base_band_age[b], 3 ) )
2255 : {
2256 5276 : last_valid_band_idx[b] = idx;
2257 5276 : move16();
2258 : }
2259 33592 : *all_valid = 0;
2260 33592 : move16();
2261 : }
2262 : }
2263 281808 : *b_idx = idx;
2264 281808 : move16();
2265 :
2266 281808 : return;
2267 : }
2268 :
2269 :
2270 5276 : static void ivas_spar_get_plc_interp_weights_fx(
2271 : Word16 valid_band_idx[IVAS_MAX_NUM_BANDS], /*Q0*/
2272 : Word16 last_valid_band_idx, /*Q0*/
2273 : Word16 idx, /*Q0*/
2274 : Word16 b, /*Q0*/
2275 : Word16 *w, /*Q15*/
2276 : Word16 *id0, /*Q0*/
2277 : Word16 *id1 /*Q0*/ )
2278 : {
2279 5276 : IF( last_valid_band_idx < 0 ) /* Extrapolation */
2280 : {
2281 1484 : *id1 = valid_band_idx[0]; /*Q0*/
2282 1484 : move16();
2283 1484 : *id0 = 0;
2284 1484 : move16();
2285 1484 : *w = MAX_WORD16;
2286 1484 : move16();
2287 : }
2288 3792 : ELSE IF( EQ_16( last_valid_band_idx, idx ) ) /* Extrapolation */
2289 : {
2290 434 : *id1 = valid_band_idx[last_valid_band_idx]; /*Q0*/
2291 434 : move16();
2292 434 : *id0 = valid_band_idx[last_valid_band_idx]; /*Q0*/
2293 434 : move16();
2294 434 : *w = 0;
2295 434 : move16();
2296 : }
2297 : ELSE /* Interpolation */
2298 : {
2299 3358 : *id0 = valid_band_idx[last_valid_band_idx]; /*Q0*/
2300 3358 : move16();
2301 3358 : *id1 = valid_band_idx[last_valid_band_idx + 1]; /*Q0*/
2302 3358 : move16();
2303 3358 : IF( sub( b, *id0 ) == 0 )
2304 : {
2305 0 : *w = 0;
2306 0 : move16();
2307 : }
2308 : ELSE
2309 : {
2310 3358 : *w = divide3232( sub( b, *id0 ), sub( *id1, *id0 ) ); /*Q0*/
2311 3358 : move16();
2312 : }
2313 : }
2314 5276 : return;
2315 : }
2316 :
2317 : /*-----------------------------------------------------------------------------------------*
2318 : * Function ivas_spar_md_fill_invalid_bands_fx()
2319 : *
2320 : * Fill invalid bands in interpolation/extrapolation of valid bands
2321 : * when PLC is to be done with partial time differential coding
2322 : *-----------------------------------------------------------------------------------------*/
2323 140904 : static void ivas_spar_md_fill_invalid_bands_fx(
2324 : ivas_spar_dec_matrices_t *pSpar_coeffs,
2325 : ivas_spar_dec_matrices_t *pSpar_coeffs_prev,
2326 : const Word16 *valid_bands, /*Q0*/
2327 : Word16 *base_band_age, /*Q0*/
2328 : const Word16 num_bands, /*Q0*/
2329 : const Word16 num_channels, /*Q0*/
2330 : const Word16 num_md_sub_frames /*Q0*/ )
2331 : {
2332 : Word16 i, j, b, all_valid;
2333 140904 : Word16 valid_band_idx[IVAS_MAX_NUM_BANDS], idx = -1;
2334 140904 : move16();
2335 : Word16 last_valid_band_idx[IVAS_MAX_NUM_BANDS];
2336 140904 : Word16 w_fx = 0;
2337 140904 : move16();
2338 140904 : ivas_spar_plc_get_band_age( valid_bands, base_band_age, num_bands,
2339 : last_valid_band_idx, valid_band_idx, &all_valid, &idx );
2340 140904 : assert( idx > 0 ); /* some bands should be valid */
2341 :
2342 140904 : IF( all_valid == 0 )
2343 : {
2344 45876 : FOR( b = 0; b < num_bands; b++ )
2345 : {
2346 : /* check against non zero in if and else if */
2347 :
2348 42186 : IF( GT_16( base_band_age[b], 3 ) ) /* old invalid bands */
2349 : {
2350 : Word16 id0, id1;
2351 2638 : ivas_spar_get_plc_interp_weights_fx( valid_band_idx, last_valid_band_idx[b],
2352 : idx, b, &w_fx, &id0, &id1 );
2353 13190 : FOR( i = 0; i < num_channels; i++ )
2354 : {
2355 52760 : FOR( j = 0; j < num_channels; j++ )
2356 : {
2357 42208 : pSpar_coeffs->C_re_fx[i][j][b] = L_add( Mpy_32_16_1( pSpar_coeffs->C_re_fx[i][j][id0], sub( MAX_WORD16, w_fx ) ), Mpy_32_16_1( pSpar_coeffs->C_re_fx[i][j][id1], w_fx ) ); /*Q22*/
2358 42208 : move32();
2359 42208 : pSpar_coeffs->P_re_fx[i][j][b] = L_add( Mpy_32_16_1( pSpar_coeffs->P_re_fx[i][j][id0], sub( MAX_WORD16, w_fx ) ), Mpy_32_16_1( pSpar_coeffs->P_re_fx[i][j][id1], w_fx ) ); /*Q22*/
2360 42208 : move32();
2361 : }
2362 : }
2363 : }
2364 : ELSE /* young invalid bands */
2365 : {
2366 39548 : IF( valid_bands[b] == 0 )
2367 : {
2368 70790 : FOR( i = 0; i < num_channels; i++ )
2369 : {
2370 283160 : FOR( j = 0; j < num_channels; j++ )
2371 : {
2372 226528 : pSpar_coeffs->C_re_fx[i][j][b] = pSpar_coeffs_prev->C_re_fx[i][j][b]; /*Q22*/
2373 226528 : move32();
2374 226528 : pSpar_coeffs->P_re_fx[i][j][b] = pSpar_coeffs_prev->P_re_fx[i][j][b]; /*Q22*/
2375 226528 : move32();
2376 : }
2377 : }
2378 : }
2379 : }
2380 :
2381 42186 : IF( valid_bands[b] == 0 )
2382 : {
2383 : Word16 i_ts;
2384 83980 : FOR( i = 0; i < num_channels; i++ )
2385 : {
2386 335920 : FOR( j = 0; j < num_channels; j++ )
2387 : {
2388 1065248 : FOR( i_ts = 1; i_ts < num_md_sub_frames; i_ts++ )
2389 : {
2390 796512 : pSpar_coeffs->C_re_fx[i][j][( b + ( i_ts * IVAS_MAX_NUM_BANDS ) )] = pSpar_coeffs->C_re_fx[i][j][b]; /*Q22*/
2391 796512 : move32();
2392 796512 : pSpar_coeffs->P_re_fx[i][j][( b + ( i_ts * IVAS_MAX_NUM_BANDS ) )] = pSpar_coeffs->P_re_fx[i][j][b]; /*Q22*/
2393 796512 : move32();
2394 : }
2395 : }
2396 : }
2397 : }
2398 : }
2399 : }
2400 :
2401 140904 : return;
2402 : }
2403 :
2404 140904 : static void ivas_spar_md_fill_invalid_bandcoeffs(
2405 : ivas_band_coeffs_t *pBand_coeffs,
2406 : ivas_band_coeffs_t *pBand_coeffs_prev,
2407 : const Word16 *valid_bands, /*Q0*/
2408 : Word16 *base_band_age, /*Q0*/
2409 : Word16 *first_valid_frame, /*Q0*/
2410 : const Word16 num_bands /*Q0*/ )
2411 : {
2412 : Word16 j, k, b, all_valid;
2413 140904 : Word16 valid_band_idx[IVAS_MAX_NUM_BANDS], idx = -1;
2414 140904 : move16();
2415 : Word16 last_valid_band_idx[IVAS_MAX_NUM_BANDS];
2416 140904 : Word16 w_fx = 0;
2417 140904 : move16();
2418 :
2419 140904 : ivas_spar_plc_get_band_age( valid_bands, base_band_age, num_bands,
2420 : last_valid_band_idx, valid_band_idx, &all_valid, &idx );
2421 :
2422 140904 : assert( idx > 0 ); /* some bands should be valid */
2423 :
2424 140904 : IF( all_valid == 0 )
2425 : {
2426 33210 : FOR( b = 0; b < num_bands; b++ )
2427 : {
2428 : /* check against non zero in if and else if */
2429 29520 : test();
2430 29520 : IF( GT_16( base_band_age[b], 3 ) || ( *first_valid_frame == 0 ) ) /* old invalid bands */
2431 2638 : {
2432 : Word16 id0, id1;
2433 :
2434 2638 : ivas_spar_get_plc_interp_weights_fx( valid_band_idx, last_valid_band_idx[b],
2435 : idx, b, &w_fx, &id0, &id1 );
2436 :
2437 29018 : FOR( j = 0; j < IVAS_SPAR_MAX_CH - 1; j++ )
2438 : {
2439 26380 : pBand_coeffs[b].pred_re_fx[j] = L_add( Mpy_32_16_1( pBand_coeffs[id0].pred_re_fx[j], sub( MAX_WORD16, w_fx ) ), Mpy_32_16_1( pBand_coeffs[id1].pred_re_fx[j], w_fx ) ); /*Q22*/
2440 26380 : move32();
2441 : }
2442 :
2443 21104 : FOR( j = 0; j < IVAS_SPAR_MAX_CH - IVAS_SPAR_MAX_DMX_CHS; j++ )
2444 : {
2445 73864 : FOR( k = 0; k < IVAS_SPAR_MAX_DMX_CHS - 1; k++ )
2446 : {
2447 55398 : pBand_coeffs[b].C_re_fx[j][k] = L_add( Mpy_32_16_1( pBand_coeffs[id0].C_re_fx[j][k], sub( MAX_WORD16, w_fx ) ), Mpy_32_16_1( pBand_coeffs[id1].C_re_fx[j][k], w_fx ) ); /*Q22*/
2448 55398 : move32();
2449 : }
2450 : }
2451 :
2452 29018 : FOR( j = 0; j < IVAS_SPAR_MAX_CH - 1; j++ )
2453 : {
2454 26380 : pBand_coeffs[b].P_re_fx[j] = L_add( Mpy_32_16_1( pBand_coeffs[id0].P_re_fx[j], sub( MAX_WORD16, w_fx ) ), Mpy_32_16_1( pBand_coeffs[id1].P_re_fx[j], w_fx ) ); /*Q22*/
2455 26380 : move32();
2456 : }
2457 : }
2458 : ELSE /* young invalid bands */
2459 : {
2460 26882 : IF( valid_bands[b] == 0 )
2461 : {
2462 155738 : FOR( j = 0; j < IVAS_SPAR_MAX_CH - 1; j++ )
2463 : {
2464 141580 : pBand_coeffs[b].pred_re_fx[j] = pBand_coeffs_prev[b].pred_re_fx[j]; /*Q22*/
2465 141580 : move32();
2466 : }
2467 :
2468 113264 : FOR( j = 0; j < IVAS_SPAR_MAX_CH - IVAS_SPAR_MAX_DMX_CHS; j++ )
2469 : {
2470 396424 : FOR( k = 0; k < IVAS_SPAR_MAX_DMX_CHS - 1; k++ )
2471 : {
2472 297318 : pBand_coeffs[b].C_re_fx[j][k] = pBand_coeffs_prev[b].C_re_fx[j][k]; /*Q22*/
2473 297318 : move32();
2474 : }
2475 : }
2476 :
2477 155738 : FOR( j = 0; j < IVAS_SPAR_MAX_CH - 1; j++ )
2478 : {
2479 141580 : pBand_coeffs[b].P_re_fx[j] = pBand_coeffs_prev[b].P_re_fx[j]; /*Q22*/
2480 141580 : move32();
2481 : }
2482 : }
2483 : }
2484 : }
2485 : }
2486 : ELSE
2487 : {
2488 137214 : *first_valid_frame = 1;
2489 137214 : move16();
2490 : }
2491 :
2492 140904 : return;
2493 : }
2494 :
2495 : /*-----------------------------------------------------------------------------------------*
2496 : * Function ivas_spar_dec_compute_ramp_down_post_matrix_fx()
2497 : *
2498 : *
2499 : *-----------------------------------------------------------------------------------------*/
2500 :
2501 182441 : static void ivas_spar_dec_compute_ramp_down_post_matrix_fx(
2502 : ivas_spar_md_dec_state_t *hMdDec,
2503 : const Word16 num_bands_out, /*Q0*/
2504 : const Word16 bfi, /*Q0*/
2505 : const Word16 num_md_sub_frames /*Q0*/ )
2506 : {
2507 : Word16 num_in_ch, num_out_ch, i, j, b;
2508 182441 : num_in_ch = hMdDec->spar_md_cfg.num_umx_chs; /*Q0*/
2509 182441 : num_out_ch = hMdDec->spar_md_cfg.num_umx_chs; /*Q0*/
2510 182441 : move16();
2511 182441 : move16();
2512 182441 : IF( bfi == 0 )
2513 : {
2514 176257 : hMdDec->spar_plc_num_lost_frames = 0;
2515 176257 : move16();
2516 : }
2517 : ELSE
2518 : {
2519 6184 : if ( hMdDec->td_decorr_flag == 0 )
2520 : {
2521 0 : assert( 0 );
2522 : }
2523 :
2524 6184 : hMdDec->spar_plc_num_lost_frames = add( hMdDec->spar_plc_num_lost_frames, 1 );
2525 6184 : move16();
2526 6184 : hMdDec->spar_plc_num_lost_frames = s_min( hMdDec->spar_plc_num_lost_frames, 100 ); /*hMdDec->spar_plc_num_lost_frames is always <=100*/ /*Q0*/
2527 6184 : move16();
2528 :
2529 6184 : IF( GT_16( hMdDec->spar_plc_num_lost_frames, ivas_spar_dec_plc_num_frames_keep ) ) /*if control enters then ivas_spar_dec_plc_num_frames_keep<100 */
2530 : {
2531 : Word16 num_fade_frames;
2532 : Word16 gain_dB;
2533 : Word32 gain_fx;
2534 : Word32 post_matrix_fx[IVAS_SPAR_MAX_CH];
2535 : Word16 Q_post_matrix;
2536 : Word16 Q_gain;
2537 : Word16 norm_nff; /*norm of num_fade_frames*/
2538 2038 : num_fade_frames = s_max( sub( hMdDec->spar_plc_num_lost_frames, ivas_spar_dec_plc_num_frames_keep ), 0 );
2539 2038 : norm_nff = norm_s( num_fade_frames );
2540 2038 : gain_dB = negate( imult1616( s_min( num_fade_frames, ivas_spar_dec_plc_max_num_frames_ramp_down ), ivas_spar_dec_plc_per_frame_ramp_down_gain_dB ) ); /*abs(gain_dB)<99*/ /*Q(gain_dB)=7Q24*/
2541 2038 : Word16 exp_gain = 0;
2542 2038 : move16(); /*stores exponent for gain_fx*/
2543 2038 : gain_fx = BASOP_util_Pow2( Mult_32_16( imult3216( 13421773 /*=2^28/20*/, gain_dB ), 27213 /*=log2(10)*2^13*/ ), 5, &exp_gain ); /*Q_gain*/
2544 2038 : Q_gain = sub( 31, exp_gain );
2545 24456 : FOR( i = 0; i < IVAS_SPAR_MAX_CH; i++ )
2546 : {
2547 22418 : post_matrix_fx[i] = add( shl( 1, norm_nff ), mult( s_min( mult( shl( num_fade_frames, norm_nff ), 3640 /* 1 / ivas_spar_dec_plc_num_frames_fade_out in Q15 */ ), shl( 1, norm_nff ) ), shl( sub( ivas_spar_dec_plc_spatial_target[i], 1 ), 15 ) ) ); /*Q=norm_nff*/
2548 22418 : move32();
2549 22418 : post_matrix_fx[i] = Mult_32_16( gain_fx, extract_l( post_matrix_fx[i] ) ); /*Q_gain+norm_nff-15*/
2550 22418 : move32();
2551 : }
2552 2038 : Q_post_matrix = sub( add( Q_gain, norm_nff ), 15 );
2553 : /* apply the post matrix */
2554 2038 : hMdDec->Q_mixer_mat = sub( add( Q_post_matrix, hMdDec->Q_mixer_mat ), 31 );
2555 2038 : move16();
2556 10190 : FOR( Word16 i_ts = 0; i_ts < num_md_sub_frames; i_ts++ )
2557 : {
2558 40760 : FOR( i = 0; i < num_out_ch; i++ )
2559 : {
2560 163040 : FOR( j = 0; j < num_in_ch; j++ )
2561 : {
2562 1611648 : FOR( b = 0; b < num_bands_out; b++ )
2563 : {
2564 1481216 : hMdDec->mixer_mat_fx[i][j][( b + ( i_ts * IVAS_MAX_NUM_BANDS ) )] = L_shl( Mult_32_32( hMdDec->mixer_mat_fx[i][j][( b + ( i_ts * IVAS_MAX_NUM_BANDS ) )], post_matrix_fx[i] ), sub( Q30, hMdDec->Q_mixer_mat ) ); // Q30
2565 1481216 : move32();
2566 : }
2567 : }
2568 : }
2569 : }
2570 2038 : hMdDec->Q_mixer_mat = Q30;
2571 2038 : move16();
2572 : }
2573 : }
2574 :
2575 182441 : return;
2576 : }
2577 :
2578 :
2579 : /*-----------------------------------------------------------------------------------------*
2580 : * Function ivas_spar_unquant_dtx_indicies()
2581 : *
2582 : * Unquantize SPAR MD DYX indices
2583 : *-----------------------------------------------------------------------------------------*/
2584 557 : static void ivas_spar_unquant_dtx_indicies(
2585 : ivas_spar_md_t *pSpar_md,
2586 : const Word16 nB, /*Q0*/
2587 : const Word16 bw, /*Q0*/
2588 : Word16 *ndm_per_band /*Q0*/ )
2589 : {
2590 : Word16 i, b;
2591 : Word16 q_lvl;
2592 : Word32 val_fx;
2593 : Word16 idx;
2594 : Word32 pr_min_max_fx[2];
2595 :
2596 557 : pr_min_max_fx[0] = pSpar_md->min_max_fx[0]; /*Q28*/
2597 557 : move32();
2598 557 : pr_min_max_fx[1] = pSpar_md->min_max_fx[1]; /*Q28*/
2599 557 : move32();
2600 :
2601 1671 : FOR( b = 0; b < nB; b++ )
2602 : {
2603 4456 : FOR( i = 0; i < FOA_CHANNELS - 1; i++ )
2604 : {
2605 3342 : q_lvl = dtx_pr_real_q_levels[( ndm_per_band[( bw * b )] - 1 )][i]; /*Q0*/
2606 3342 : move16();
2607 :
2608 3342 : idx = pSpar_md->band_coeffs_idx[b].pred_index_re[i]; /*Q0*/
2609 3342 : move16();
2610 3342 : ivas_deindex_real_index_fx( &idx, q_lvl, pr_min_max_fx[0], pr_min_max_fx[1], &val_fx, 1 );
2611 3342 : pSpar_md->band_coeffs[b].pred_re_fx[i] = val_fx; /*Q22*/
2612 3342 : move32();
2613 : }
2614 :
2615 3820 : FOR( i = 0; i < ( FOA_CHANNELS - ndm_per_band[( bw - b )] ); i++ )
2616 : {
2617 2706 : q_lvl = dtx_pd_real_q_levels[( ndm_per_band[( bw * b )] - 1 )][i]; /*Q0*/
2618 2706 : move16();
2619 :
2620 2706 : idx = pSpar_md->band_coeffs_idx[b].decd_index_re[i]; /*Q0*/
2621 2706 : move16();
2622 2706 : ivas_deindex_real_index_fx( &idx, q_lvl, dtx_pd_real_min_max_fx[0], dtx_pd_real_min_max_fx[1], &val_fx, 1 );
2623 2706 : pSpar_md->band_coeffs[b].P_re_fx[i] = val_fx; /*Q22*/
2624 2706 : move32();
2625 : }
2626 : }
2627 :
2628 557 : return;
2629 : }
2630 :
2631 : /*-----------------------------------------------------------------------------------------*
2632 : * Function ivas_parse_parameter_bitstream_dtx()
2633 : *
2634 : * parse DTX bitstream parameters
2635 : *-----------------------------------------------------------------------------------------*/
2636 557 : static void ivas_parse_parameter_bitstream_dtx(
2637 : ivas_spar_md_t *pSpar_md,
2638 : Decoder_State *st0, /* i/o: decoder state structure - for bitstream handling*/
2639 : const Word16 bw, /*Q0*/
2640 : const Word16 num_bands, /*Q0*/
2641 : Word16 *num_dmx_per_band, /*Q0*/
2642 : Word16 *num_dec_per_band /*Q0*/ )
2643 : {
2644 : Word16 i, j, ndec, ndm;
2645 : Word32 val_fx;
2646 : Word16 idx;
2647 : Word32 pr_min_max_fx[2];
2648 : Word16 pr_q_lvls, pr, pd, pd_q_lvls, pr_pd_bits;
2649 : Word16 zero_pad_bits, sid_bits_len;
2650 :
2651 557 : sid_bits_len = st0->next_bit_pos; /*Q0*/
2652 557 : move16();
2653 557 : pr_min_max_fx[0] = pSpar_md->min_max_fx[0]; /*Q28*/
2654 557 : move32();
2655 557 : pr_min_max_fx[1] = pSpar_md->min_max_fx[1]; /*Q28*/
2656 557 : move32();
2657 :
2658 1671 : FOR( i = 0; i < num_bands; i++ )
2659 : {
2660 1114 : ndec = num_dec_per_band[( bw * i )];
2661 1114 : move16();
2662 1114 : ndm = num_dmx_per_band[( bw * i )];
2663 1114 : move16();
2664 :
2665 4456 : FOR( j = 0; j < FOA_CHANNELS - 1; j++ )
2666 : {
2667 : Word16 pr_idx_1, pr_idx_2, pd_idx_1, pd_idx_2;
2668 : UWord16 value;
2669 :
2670 3342 : pr_idx_1 = pr_pr_idx_pairs[ndm - 1][j][0]; /*Q0*/
2671 3342 : move16();
2672 3342 : pr_idx_2 = pr_pr_idx_pairs[ndm - 1][j][1]; /*Q0*/
2673 3342 : move16();
2674 3342 : pd_idx_1 = pr_pd_idx_pairs[ndm - 1][j][0]; /*Q0*/
2675 3342 : move16();
2676 3342 : pd_idx_2 = pr_pd_idx_pairs[ndm - 1][j][1]; /*Q0*/
2677 3342 : move16();
2678 :
2679 3342 : test();
2680 3342 : test();
2681 3342 : test();
2682 3342 : IF( pr_idx_1 != 0 || pd_idx_1 != 0 || pr_idx_2 != 0 || pd_idx_2 != 0 )
2683 : {
2684 3342 : pr_q_lvls = dtx_pr_real_q_levels[ndm - 1][pd_idx_1 - 1]; /*Q0*/
2685 3342 : move16();
2686 :
2687 3342 : IF( GT_16( add( j, 1 ), ndec ) )
2688 : {
2689 636 : pd_q_lvls = 1;
2690 636 : move16();
2691 : }
2692 : ELSE
2693 : {
2694 2706 : pd_q_lvls = dtx_pd_real_q_levels[ndm - 1][pd_idx_2 - 1]; /*Q0*/
2695 2706 : move16();
2696 : }
2697 :
2698 3342 : pr_pd_bits = ivas_get_bits_to_encode( L_mult0( pd_q_lvls, pr_q_lvls ) ); /*Q0*/
2699 :
2700 3342 : value = get_next_indice_fx( st0, pr_pd_bits ); /*Q0*/
2701 :
2702 3342 : IF( value != 0 )
2703 : {
2704 3342 : pr = idiv1616( value, pd_q_lvls ); /*Q0*/
2705 : }
2706 : ELSE
2707 : {
2708 0 : pr = 0;
2709 0 : move16();
2710 : }
2711 3342 : pd = extract_l( L_sub( value, i_mult( pr, pd_q_lvls ) ) );
2712 3342 : val_fx = dtx_pd_real_min_max_fx[0]; /*Q28*/
2713 3342 : move32();
2714 3342 : ivas_quantise_real_values_fx( &val_fx, pd_q_lvls, dtx_pd_real_min_max_fx[0], dtx_pd_real_min_max_fx[1], &idx, &val_fx, 1 );
2715 3342 : pd = add( pd, idx );
2716 :
2717 3342 : val_fx = pr_min_max_fx[0]; /*Q28*/
2718 3342 : move32();
2719 3342 : ivas_quantise_real_values_fx( &val_fx, pr_q_lvls, pr_min_max_fx[0], pr_min_max_fx[1], &idx, &val_fx, 1 );
2720 3342 : pr = add( pr, idx );
2721 :
2722 3342 : if ( LE_16( add( j, 1 ), ndec ) )
2723 : {
2724 2706 : pSpar_md->band_coeffs_idx[i].decd_index_re[pd_idx_2 - 1] = pd; /*Q0*/
2725 2706 : move16();
2726 : }
2727 :
2728 3342 : pSpar_md->band_coeffs_idx[i].pred_index_re[pd_idx_1 - 1] = pr; /*Q0*/
2729 3342 : move16();
2730 : }
2731 : }
2732 : }
2733 :
2734 557 : sid_bits_len = sub( st0->next_bit_pos, sid_bits_len );
2735 557 : zero_pad_bits = sub( ( SPAR_DTX_BANDS * SPAR_SID_BITS_TAR_PER_BAND ), sid_bits_len );
2736 557 : assert( zero_pad_bits >= 0 );
2737 557 : if ( EQ_16( num_dmx_per_band[0], 2 ) )
2738 : {
2739 318 : zero_pad_bits = sub( zero_pad_bits, 1 );
2740 : }
2741 :
2742 2147 : FOR( j = 0; j < zero_pad_bits; j++ )
2743 : {
2744 1590 : get_next_indice_fx( st0, 1 );
2745 : }
2746 :
2747 557 : ivas_spar_unquant_dtx_indicies( pSpar_md, num_bands, bw, num_dmx_per_band );
2748 :
2749 557 : return;
2750 : }
2751 :
2752 : /*-----------------------------------------------------------------------------------------*
2753 : * Function ivas_deindex_real_index()
2754 : *
2755 : * Deindex real index
2756 : *-----------------------------------------------------------------------------------------*/
2757 :
2758 :
2759 3492816 : static ivas_error ivas_deindex_real_index_fx(
2760 : const Word16 *index, /*Q0*/
2761 : const Word16 q_levels, /*Q0*/
2762 : const Word32 min_value, /*Q28*/
2763 : const Word32 max_value, /*Q28*/
2764 : Word32 *quant, /*Q22*/
2765 : const Word16 dim /*Q0*/ )
2766 : {
2767 : Word16 i;
2768 : Word32 q_step_fx;
2769 3492816 : IF( q_levels == 0 )
2770 : {
2771 0 : return IVAS_ERR_INTERNAL;
2772 : }
2773 :
2774 3492816 : IF( EQ_16( q_levels, 1 ) )
2775 : {
2776 902268 : FOR( i = 0; i < dim; i++ )
2777 : {
2778 388320 : quant[i] = 0;
2779 388320 : move32();
2780 : }
2781 : }
2782 : ELSE
2783 : {
2784 2978868 : q_step_fx = L_sub( max_value, min_value );
2785 2978868 : q_step_fx = Mpy_32_32( q_step_fx, one_by_q_level[q_levels - 1] /*Q31*/ ); /*Q28*/
2786 16476116 : FOR( i = 0; i < dim; i++ )
2787 : {
2788 13497248 : quant[i] = Mpy_32_32( L_shl( index[i], 31 - 6 ), q_step_fx ); //(25+28)-31 = 22
2789 13497248 : move32();
2790 : }
2791 : }
2792 :
2793 3492816 : return IVAS_ERR_OK;
2794 : }
2795 :
2796 :
2797 131040 : void ivas_spar_to_dirac_fx(
2798 : Decoder_Struct *st_ivas,
2799 : ivas_spar_md_dec_state_t *hMdDec, /* i/o: SPAR MD decoder handle Q0*/
2800 : const Word16 dtx_vad, /* i : DTX frame flag Q0*/
2801 : const Word16 num_bands_out, /* i : number of output bands Q0*/
2802 : const Word16 bw, /* i : band joining factor Q0*/
2803 : const Word16 dyn_active_w_flag )
2804 : {
2805 : DIRAC_DEC_HANDLE hDirAC;
2806 : Word16 start_band, end_band, band, qmf_band_start, qmf_band_end;
2807 : Word16 block, b;
2808 : Word16 *band_grouping;
2809 :
2810 : Word32 diffuseness_fx[IVAS_MAX_NUM_BANDS];
2811 : Word16 sba_order_internal;
2812 :
2813 : Word32 azi_dirac_fx[IVAS_MAX_NUM_BANDS][MAX_PARAM_SPATIAL_SUBFRAMES];
2814 :
2815 : Word32 ele_dirac_fx[IVAS_MAX_NUM_BANDS][MAX_PARAM_SPATIAL_SUBFRAMES];
2816 : Word16 azi[IVAS_MAX_NUM_BANDS];
2817 : Word16 ele[IVAS_MAX_NUM_BANDS];
2818 :
2819 : Word32 dvx_fx[IVAS_MAX_NUM_BANDS], dvy_fx[IVAS_MAX_NUM_BANDS], dvz_fx[IVAS_MAX_NUM_BANDS];
2820 :
2821 : Word32 radius_fx;
2822 :
2823 : Word32 en_ratio_fx, res_pow_fx;
2824 : Word16 en_ratio_q;
2825 : Word16 num_slots_in_subfr;
2826 : Word16 tmp_write_idx_param_band;
2827 : Word16 tmp_write_idx_band;
2828 :
2829 : Word32 pred_re_20ms_fx[IVAS_MAX_NUM_BANDS][IVAS_SPAR_MAX_CH - 1];
2830 : Word16 pred_idx;
2831 : Word16 *dirac_to_spar_md_bands;
2832 : Word16 enc_param_start_band;
2833 : Word16 active_w_vlbr;
2834 : Word16 i, num_subframes;
2835 : Word16 active_w;
2836 : SPAT_PARAM_REND_COMMON_DATA_HANDLE hSpatParamRendCom;
2837 :
2838 131040 : test();
2839 131040 : active_w = EQ_16( dyn_active_w_flag, 1 ) || EQ_16( hMdDec->spar_md_cfg.active_w, 1 );
2840 131040 : sba_order_internal = s_min( st_ivas->sba_analysis_order, IVAS_MAX_SBA_ORDER );
2841 131040 : move16();
2842 131040 : start_band = 0;
2843 131040 : move16();
2844 131040 : end_band = idiv1616( s_min( num_bands_out, SPAR_DIRAC_SPLIT_START_BAND ), bw ); /*Q0*/
2845 :
2846 131040 : hDirAC = st_ivas->hDirAC;
2847 131040 : hSpatParamRendCom = st_ivas->hSpatParamRendCom;
2848 :
2849 131040 : dirac_to_spar_md_bands = st_ivas->hSpar->dirac_to_spar_md_bands; /*Q0*/
2850 131040 : move16();
2851 :
2852 131040 : IF( st_ivas->hSpar->enc_param_start_band > 0 )
2853 : {
2854 124846 : enc_param_start_band = idiv1616( st_ivas->hSpar->enc_param_start_band, bw ); /*Q0*/
2855 : }
2856 : ELSE
2857 : {
2858 6194 : enc_param_start_band = 0;
2859 6194 : move16();
2860 : }
2861 :
2862 131040 : IF( LT_32( st_ivas->hDecoderConfig->ivas_total_brate, IVAS_24k4 ) )
2863 : {
2864 11277 : active_w_vlbr = 1;
2865 11277 : move16();
2866 : }
2867 : ELSE
2868 : {
2869 119763 : active_w_vlbr = 0;
2870 119763 : move16();
2871 : }
2872 :
2873 131040 : test();
2874 131040 : IF( hDirAC != NULL && ivas_get_hodirac_flag_fx( st_ivas->hDecoderConfig->ivas_total_brate, st_ivas->sba_analysis_order ) == 0 )
2875 : {
2876 79292 : band_grouping = hDirAC->band_grouping;
2877 :
2878 79292 : IF( st_ivas->hDirAC->hConfig->dec_param_estim )
2879 : {
2880 43076 : num_slots_in_subfr = CLDFB_NO_COL_MAX / MAX_PARAM_SPATIAL_SUBFRAMES;
2881 43076 : move16();
2882 : }
2883 : ELSE
2884 : {
2885 36216 : num_slots_in_subfr = 1;
2886 36216 : move16();
2887 : }
2888 :
2889 713628 : FOR( band = start_band; band < end_band; band++ )
2890 : {
2891 : Word32 PR_fx[3], Pd_fx[3], dvnorm_fx, g_pred_fx;
2892 : Word16 q_g_pred;
2893 : Word16 q_dvnorm;
2894 634336 : PR_fx[0] = hMdDec->spar_md.band_coeffs[band].pred_re_fx[2]; /*Q22*/
2895 634336 : move32();
2896 634336 : PR_fx[1] = hMdDec->spar_md.band_coeffs[band].pred_re_fx[0]; /*Q22*/
2897 634336 : move32();
2898 634336 : PR_fx[2] = hMdDec->spar_md.band_coeffs[band].pred_re_fx[1]; /*Q22*/
2899 634336 : move32();
2900 634336 : g_pred_fx = L_add( L_add( Mpy_32_32( PR_fx[0], PR_fx[0] ), Mpy_32_32( PR_fx[1], PR_fx[1] ) ), Mpy_32_32( PR_fx[2], PR_fx[2] ) ); /*q_g_pred*/
2901 634336 : q_g_pred = Q22 + Q22 - Q31;
2902 634336 : move16();
2903 634336 : q_dvnorm = sub( Q31, q_g_pred );
2904 634336 : q_g_pred = q_dvnorm;
2905 634336 : move16();
2906 634336 : IF( LE_32( g_pred_fx, EPSILON_FIX ) )
2907 : {
2908 28571 : dvx_fx[band] = ONE_IN_Q22; /*Q22*/
2909 28571 : move32();
2910 28571 : dvy_fx[band] = 0;
2911 28571 : move32();
2912 28571 : dvz_fx[band] = 0;
2913 28571 : move32();
2914 :
2915 28571 : azi[band] = 0;
2916 28571 : move16();
2917 28571 : ele[band] = 0;
2918 28571 : move16();
2919 28571 : q_g_pred = Q22;
2920 28571 : move16();
2921 28571 : q_dvnorm = Q22;
2922 28571 : move16();
2923 : }
2924 : ELSE
2925 : {
2926 605765 : dvnorm_fx = ISqrt32( g_pred_fx, &q_dvnorm ); /*Q31 - q_dvnorm*/
2927 605765 : g_pred_fx = Sqrt32( g_pred_fx, &q_g_pred ); /*Q31 - q_g_pred*/
2928 605765 : IF( q_g_pred < 0 )
2929 : {
2930 259374 : g_pred_fx = L_shr( g_pred_fx, negate( q_g_pred ) );
2931 259374 : q_g_pred = 0;
2932 259374 : move16();
2933 : }
2934 :
2935 605765 : dvx_fx[band] = Mpy_32_32( PR_fx[0], dvnorm_fx ); /*q_1*/
2936 605765 : move32();
2937 605765 : dvy_fx[band] = Mpy_32_32( PR_fx[1], dvnorm_fx ); /*q_1*/
2938 605765 : move32();
2939 605765 : dvz_fx[band] = Mpy_32_32( PR_fx[2], dvnorm_fx ); /*q_1*/
2940 605765 : move32();
2941 605765 : Word16 q_1 = sub( add( 22, sub( 31, q_dvnorm ) ), 31 );
2942 :
2943 605765 : Word32 temp = L_add( Mpy_32_32( dvx_fx[band], dvx_fx[band] ), Mpy_32_32( dvy_fx[band], dvy_fx[band] ) ); /*q2*/
2944 605765 : Word16 q2 = sub( add( q_1, q_1 ), 31 );
2945 605765 : Word16 q_temp = sub( 31, q2 );
2946 605765 : radius_fx = Sqrt32( temp, &q_temp );
2947 :
2948 605765 : Word16 check_azi_fx = BASOP_util_atan2( dvy_fx[band], dvx_fx[band], 0 ); /*Q13*/
2949 605765 : Word32 check_azi_fx_32 = L_shl( check_azi_fx, 16 ); /*Q29*/
2950 : Word16 check_azi_fx_res;
2951 605765 : IF( check_azi_fx_32 < 0 )
2952 : {
2953 410203 : check_azi_fx_res = negate( divide3232( L_negate( check_azi_fx_32 ), 1686629760 /*3.145f in Q29*/ ) ); /*Q15*/
2954 : }
2955 : ELSE
2956 : {
2957 195562 : check_azi_fx_res = divide3232( check_azi_fx_32, 1686629760 /*3.145f in Q29*/ ); /*Q15*/
2958 : }
2959 605765 : Word32 azi_intermediate = Mpy_32_16_1( DEGREE_180_Q_22, check_azi_fx_res ); /*Q22*/
2960 605765 : azi_intermediate = L_add( azi_intermediate, ONE_IN_Q21 ); /*Q22*/
2961 :
2962 : Word16 azi_res;
2963 605765 : IF( azi_intermediate < 0 )
2964 : {
2965 410203 : azi_res = negate( extract_l( L_shr( L_negate( azi_intermediate ), 22 ) ) ); /*Q0*/
2966 : }
2967 : ELSE
2968 : {
2969 195562 : azi_res = extract_l( L_shr( azi_intermediate, 22 ) ); /*Q0*/
2970 : }
2971 :
2972 605765 : Word16 check_ele_fx = BASOP_util_atan2( dvz_fx[band], radius_fx, sub( add( 9, q_dvnorm ), q_temp ) ); /*Q13*/
2973 605765 : Word32 check_ele_fx_32 = L_shl( check_ele_fx, 16 ); /*Q29*/
2974 : Word16 check_ele_fx_res;
2975 605765 : IF( check_azi_fx_32 < 0 )
2976 : {
2977 410203 : check_ele_fx_res = negate( divide3232( L_negate( check_ele_fx_32 ), 1686629760 /*3.145f in Q29*/ ) ); /*Q15*/
2978 : }
2979 : ELSE
2980 : {
2981 195562 : check_ele_fx_res = divide3232( check_ele_fx_32, 1686629760 /*3.145f in Q29*/ ); /*Q15*/
2982 : }
2983 605765 : Word32 ele_intermediate = Mpy_32_16_1( DEGREE_180_Q_22, check_ele_fx_res ); /*Q22*/
2984 605765 : ele_intermediate = L_add( ele_intermediate, ONE_IN_Q21 ); /*Q22*/
2985 :
2986 : Word16 ele_res;
2987 605765 : IF( ele_intermediate < 0 )
2988 : {
2989 256577 : ele_res = negate( extract_l( L_shr( L_negate( ele_intermediate ), 22 ) ) ); /*Q0*/
2990 : }
2991 : ELSE
2992 : {
2993 349188 : ele_res = extract_l( L_shr( ele_intermediate, 22 ) ); /*Q0*/
2994 : }
2995 :
2996 605765 : azi[band] = s_max( -180, s_min( 180, azi_res ) ); /*Q0*/
2997 605765 : move16();
2998 605765 : ele[band] = s_max( -90, s_min( 180, ele_res ) ); /*Q0*/
2999 605765 : move16();
3000 : }
3001 :
3002 634336 : IF( EQ_16( st_ivas->nchan_transport, 1 ) )
3003 : {
3004 : Word32 w_en_norm_fx, f_scale_fx;
3005 : Word16 q_w_en_norm_fx;
3006 166952 : IF( active_w )
3007 : {
3008 166952 : IF( dtx_vad == 0 )
3009 : {
3010 888 : f_scale_fx = IVAS_ACTIVEW_DM_F_SCALE_DTX_FX; /*Q31*/
3011 888 : move32();
3012 : }
3013 : ELSE
3014 : {
3015 166064 : IF( active_w_vlbr )
3016 : {
3017 66320 : f_scale_fx = IVAS_ACTIVEW_DM_F_SCALE_VLBR_FX; /*Q31*/
3018 66320 : move32();
3019 : }
3020 : ELSE
3021 : {
3022 99744 : f_scale_fx = IVAS_ACTIVEW_DM_F_SCALE_FX; /*Q31*/
3023 99744 : move32();
3024 : }
3025 : }
3026 : }
3027 : ELSE
3028 : {
3029 0 : f_scale_fx = 0;
3030 0 : move32();
3031 : }
3032 :
3033 166952 : Word32 temp_result = Mpy_32_32( Mpy_32_32( f_scale_fx, g_pred_fx ), g_pred_fx ); /*Q31 - q_g_pred*/
3034 166952 : temp_result = L_sub( L_shr( ONE_IN_Q31, q_g_pred ), temp_result );
3035 :
3036 166952 : w_en_norm_fx = Mpy_32_32( temp_result, temp_result ); /*q_w_en_norm_fx*/
3037 166952 : q_w_en_norm_fx = add( q_g_pred, q_g_pred );
3038 :
3039 166952 : Pd_fx[0] = hMdDec->spar_md.band_coeffs[band].P_re_fx[1]; /*Q22*/
3040 166952 : move32();
3041 166952 : Pd_fx[1] = hMdDec->spar_md.band_coeffs[band].P_re_fx[0]; /*Q22*/
3042 166952 : move32();
3043 166952 : Pd_fx[2] = hMdDec->spar_md.band_coeffs[band].P_re_fx[2]; /*Q22*/
3044 166952 : move32();
3045 :
3046 166952 : en_ratio_fx = L_add( L_add( Mpy_32_32( PR_fx[0], PR_fx[0] ), Mpy_32_32( PR_fx[1], PR_fx[1] ) ), Mpy_32_32( PR_fx[2], PR_fx[2] ) ); // 22+22-31 = 13
3047 166952 : Word32 Pd_temp_res = L_add( L_add( Mpy_32_32( Pd_fx[0], Pd_fx[0] ), Mpy_32_32( Pd_fx[1], Pd_fx[1] ) ), Mpy_32_32( Pd_fx[2], Pd_fx[2] ) ); // q = 22+22-31 = 13
3048 :
3049 166952 : res_pow_fx = L_add( L_shr( w_en_norm_fx, sub( sub( 31, q_w_en_norm_fx ), 13 ) ), L_add( en_ratio_fx, Pd_temp_res ) ); /*Q13*/
3050 :
3051 166952 : res_pow_fx = L_shr( res_pow_fx, 1 ); /*Q13*/
3052 :
3053 166952 : hMdDec->spar_md.en_ratio_slow_fx[band] = L_add( Mpy_32_32( 1610612736 /*0.75f in Q31*/, hMdDec->spar_md.en_ratio_slow_fx[band] ), Mpy_32_32( 536870912 /*0.25f in Q31*/, en_ratio_fx ) ); /*Q13*/
3054 166952 : move32();
3055 :
3056 166952 : hMdDec->spar_md.ref_pow_slow_fx[band] = L_add( Mpy_32_32( 1610612736 /*0.75f in Q31*/, hMdDec->spar_md.ref_pow_slow_fx[band] ), Mpy_32_32( 536870912 /*0.25f in Q31*/, res_pow_fx ) ); /*Q13*/
3057 166952 : move32();
3058 :
3059 166952 : en_ratio_q = 31 - 13;
3060 166952 : move16();
3061 166952 : en_ratio_fx = Sqrt32( hMdDec->spar_md.en_ratio_slow_fx[band], &en_ratio_q ); /*Q31 - en_ratio_q*/
3062 166952 : IF( en_ratio_q < 0 )
3063 : {
3064 74609 : en_ratio_fx = L_shr( en_ratio_fx, negate( en_ratio_q ) ); /*Q31*/
3065 74609 : en_ratio_q = 0;
3066 74609 : move16();
3067 : }
3068 166952 : Word32 en_ratio_fx_scaled = L_shr( en_ratio_fx, ( sub( sub( 31, en_ratio_q ), 13 ) ) ); /*Q13*/
3069 166952 : IF( GT_32( en_ratio_fx_scaled, hMdDec->spar_md.ref_pow_slow_fx[band] ) )
3070 : {
3071 37122 : diffuseness_fx[band] = 0;
3072 37122 : move32();
3073 : }
3074 129830 : ELSE IF( en_ratio_fx_scaled == 0 )
3075 : {
3076 2587 : diffuseness_fx[band] = ONE_IN_Q30; /*1.0f in Q30*/
3077 2587 : move32();
3078 : }
3079 127243 : ELSE IF( EQ_32( en_ratio_fx_scaled, hMdDec->spar_md.ref_pow_slow_fx[band] ) )
3080 : {
3081 54 : diffuseness_fx[band] = ONE_IN_Q30; /*1.0f in Q30*/
3082 54 : move32();
3083 : }
3084 : ELSE
3085 : {
3086 127189 : en_ratio_fx = divide3232( en_ratio_fx_scaled, L_add( hMdDec->spar_md.ref_pow_slow_fx[band], EPSILON_FX ) ); /*Q15*/
3087 127189 : en_ratio_fx = L_shl( en_ratio_fx, 15 ); /*Q30*/
3088 127189 : diffuseness_fx[band] = L_sub( ONE_IN_Q30, en_ratio_fx );
3089 127189 : move32();
3090 : }
3091 : }
3092 : ELSE
3093 : {
3094 467384 : en_ratio_fx = L_add( L_add( Mpy_32_32( PR_fx[0], PR_fx[0] ), Mpy_32_32( PR_fx[1], PR_fx[1] ) ), Mpy_32_32( PR_fx[2], PR_fx[2] ) ); /*Q13*/
3095 :
3096 467384 : hMdDec->spar_md.en_ratio_slow_fx[band] = L_add( Mpy_32_32( 1610612736 /*0.75f in Q31*/, hMdDec->spar_md.en_ratio_slow_fx[band] ), Mpy_32_32( 536870912 /*0.25f in Q31*/, en_ratio_fx ) );
3097 467384 : move32();
3098 :
3099 467384 : en_ratio_q = 31 - 13;
3100 467384 : move16();
3101 467384 : en_ratio_fx = Sqrt32( hMdDec->spar_md.en_ratio_slow_fx[band], &en_ratio_q ); /*Q31 - en_ratio_q*/
3102 467384 : IF( en_ratio_q < 0 )
3103 : {
3104 200512 : en_ratio_fx = L_shr( en_ratio_fx, ( -en_ratio_q ) ); /*Q31*/
3105 200512 : en_ratio_q = 0;
3106 200512 : move16();
3107 : }
3108 467384 : Word32 en_ratio_fx_scaled = L_shr( en_ratio_fx, 1 ); /*Q30*/
3109 467384 : IF( GT_32( en_ratio_fx_scaled, ONE_IN_Q30 ) )
3110 : {
3111 0 : diffuseness_fx[band] = 0;
3112 0 : move32();
3113 : }
3114 : ELSE
3115 : {
3116 467384 : diffuseness_fx[band] = L_sub( ONE_IN_Q30, en_ratio_fx_scaled ); /*Q30*/
3117 467384 : move32();
3118 : }
3119 : }
3120 : }
3121 :
3122 713628 : FOR( band = start_band; band < end_band; band++ )
3123 : {
3124 : Word16 azi_dith, ele_dith;
3125 634336 : tmp_write_idx_param_band = hDirAC->spar_to_dirac_write_idx;
3126 634336 : move16();
3127 :
3128 634336 : en_ratio_fx = L_sub( ONE_IN_Q30, diffuseness_fx[band] ); /*Q30*/
3129 :
3130 634336 : masa_sq_fx( L_sub( ONE_IN_Q30, en_ratio_fx ), diffuseness_thresholds_fx, DIRAC_DIFFUSE_LEVELS );
3131 :
3132 :
3133 634336 : qmf_band_start = band_grouping[band]; /*Q0*/
3134 634336 : move16();
3135 634336 : qmf_band_end = band_grouping[band + 1]; /*Q0*/
3136 634336 : move16();
3137 :
3138 3171680 : FOR( block = 0; block < MAX_PARAM_SPATIAL_SUBFRAMES; block++ )
3139 : {
3140 : Word16 ts_start, ts_end, ts;
3141 :
3142 2537344 : ts_start = DirAC_block_grouping[block]; /*Q0*/
3143 2537344 : move16();
3144 2537344 : ts_end = DirAC_block_grouping[block + 1];
3145 2537344 : move16();
3146 6026192 : FOR( b = qmf_band_start; b < qmf_band_end; b++ ) /*Q0*/
3147 : {
3148 :
3149 3488848 : azi_dith = azi[band]; /*Q0*/
3150 3488848 : move16();
3151 3488848 : ele_dith = ele[band]; /*Q0*/
3152 3488848 : move16();
3153 :
3154 :
3155 3488848 : hSpatParamRendCom->energy_ratio1_fx[block][b] = en_ratio_fx; /*Q30*/
3156 3488848 : move32();
3157 3488848 : tmp_write_idx_band = tmp_write_idx_param_band; /*Q0*/
3158 3488848 : move16();
3159 :
3160 3488848 : IF( hDirAC->hConfig->dec_param_estim == FALSE )
3161 : {
3162 1593504 : hSpatParamRendCom->elevation[tmp_write_idx_band][b] = ele_dith; /*Q0*/
3163 1593504 : move16();
3164 1593504 : hSpatParamRendCom->azimuth[tmp_write_idx_band][b] = azi_dith; /*Q0*/
3165 1593504 : move16();
3166 :
3167 1593504 : hSpatParamRendCom->diffuseness_vector_fx[tmp_write_idx_band][b] = diffuseness_fx[band]; /*Q30*/
3168 1593504 : move32();
3169 : }
3170 : ELSE
3171 : {
3172 9476720 : FOR( ts = ts_start; ts < ts_end; ts++ )
3173 : {
3174 7581376 : hSpatParamRendCom->elevation[tmp_write_idx_band][b] = ele_dith; /*Q0*/
3175 7581376 : move16();
3176 7581376 : hSpatParamRendCom->azimuth[tmp_write_idx_band][b] = azi_dith; /*Q0*/
3177 7581376 : move16();
3178 :
3179 7581376 : hSpatParamRendCom->diffuseness_vector_fx[tmp_write_idx_band][b] = diffuseness_fx[band]; /*Q30*/
3180 7581376 : move32();
3181 7581376 : tmp_write_idx_band = add( tmp_write_idx_band, 1 ) % hSpatParamRendCom->dirac_md_buffer_length; /*Q0*/
3182 7581376 : move16();
3183 : }
3184 : }
3185 : }
3186 2537344 : tmp_write_idx_param_band = add( tmp_write_idx_param_band, num_slots_in_subfr ) % hSpatParamRendCom->dirac_md_buffer_length;
3187 2537344 : move16();
3188 : }
3189 : }
3190 :
3191 : /* update buffer write index */
3192 79292 : IF( hDirAC->hConfig->dec_param_estim == FALSE )
3193 : {
3194 36216 : hDirAC->spar_to_dirac_write_idx = add( hDirAC->spar_to_dirac_write_idx, MAX_PARAM_SPATIAL_SUBFRAMES ) % hSpatParamRendCom->dirac_md_buffer_length; /*Q0*/
3195 36216 : move16();
3196 : }
3197 : ELSE
3198 : {
3199 43076 : hDirAC->spar_to_dirac_write_idx = add( hDirAC->spar_to_dirac_write_idx, CLDFB_NO_COL_MAX ) % hSpatParamRendCom->dirac_md_buffer_length; /*Q0*/
3200 43076 : move16();
3201 : }
3202 : }
3203 : ELSE
3204 : {
3205 51748 : band = end_band;
3206 51748 : move16();
3207 : }
3208 :
3209 : /*read DirAC metadata, convert DirAC to SPAR*/
3210 632992 : FOR( ; band < idiv1616( num_bands_out, bw ); band++ )
3211 : {
3212 : Word16 dirac_band_idx;
3213 :
3214 501952 : dirac_band_idx = sub( dirac_to_spar_md_bands[band], enc_param_start_band ); /*Q0*/
3215 :
3216 501952 : num_subframes = MAX_PARAM_SPATIAL_SUBFRAMES;
3217 501952 : move16();
3218 501952 : if ( st_ivas->hQMetaData->useLowerRes )
3219 : {
3220 43860 : num_subframes = 1;
3221 43860 : move16();
3222 : }
3223 :
3224 2378180 : FOR( block = 0; block < num_subframes; block++ )
3225 : {
3226 :
3227 1876228 : IF( st_ivas->hQMetaData->q_direction->band_data[dirac_band_idx].azimuth_fx[block] < 0 )
3228 : {
3229 584532 : st_ivas->hQMetaData->q_direction->band_data[dirac_band_idx].azimuth_fx[block] =
3230 292266 : L_add( L_shl( 360, 22 ), st_ivas->hQMetaData->q_direction->band_data[dirac_band_idx].azimuth_fx[block] ); /*Q22*/
3231 292266 : move32();
3232 : }
3233 :
3234 1876228 : azi_dirac_fx[band][block] = st_ivas->hQMetaData->q_direction->band_data[dirac_band_idx].azimuth_fx[block]; /*Q22*/
3235 1876228 : move32();
3236 1876228 : ele_dirac_fx[band][block] = st_ivas->hQMetaData->q_direction->band_data[dirac_band_idx].elevation_fx[block]; /*Q22*/
3237 1876228 : move32();
3238 : }
3239 :
3240 501952 : diffuseness_fx[band] = L_sub( ONE_IN_Q30, st_ivas->hQMetaData->q_direction->band_data[dirac_band_idx].energy_ratio_fx[0] ); /*Q30*/
3241 501952 : move32();
3242 : }
3243 :
3244 : /* DirAC MD averaged over 4 subframes and converted to SPAR format similar to encoder processing */
3245 131040 : IF( GT_16( hMdDec->spar_md_cfg.nchan_transport, 1 ) )
3246 : {
3247 : Word16 order;
3248 93446 : IF( hMdDec->spar_hoa_md_flag )
3249 : {
3250 10949 : order = 1;
3251 10949 : move16();
3252 : }
3253 : ELSE
3254 : {
3255 82497 : order = sba_order_internal;
3256 82497 : move16();
3257 : }
3258 93446 : ivas_get_spar_md_from_dirac_fx( azi_dirac_fx, ele_dirac_fx, diffuseness_fx, 1, NULL, NULL, &hMdDec->spar_md, &hMdDec->spar_md_cfg, end_band, num_bands_out, order, dtx_vad, NULL, st_ivas->hQMetaData->useLowerRes, active_w_vlbr, dyn_active_w_flag );
3259 :
3260 : /* temporarily copy frame-wise prediction coefficients in DirAC bands*/
3261 373784 : FOR( pred_idx = 0; pred_idx < FOA_CHANNELS - 1; pred_idx++ )
3262 : {
3263 1401690 : FOR( band = SPAR_DIRAC_SPLIT_START_BAND; band < IVAS_MAX_NUM_BANDS; band++ )
3264 : {
3265 1121352 : pred_re_20ms_fx[band][pred_idx] = hMdDec->spar_md.band_coeffs[band].pred_re_fx[pred_idx]; /*Q22*/
3266 1121352 : move32();
3267 : }
3268 : }
3269 : }
3270 :
3271 : Word16 num_md_sub_frames;
3272 131040 : num_md_sub_frames = ivas_get_spar_dec_md_num_subframes( sba_order_internal, st_ivas->hDecoderConfig->ivas_total_brate, st_ivas->last_active_ivas_total_brate );
3273 :
3274 : Word16 order;
3275 131040 : IF( hMdDec->spar_hoa_md_flag )
3276 : {
3277 10949 : order = 1;
3278 10949 : move16();
3279 : }
3280 : ELSE
3281 : {
3282 120091 : order = sba_order_internal;
3283 120091 : move16();
3284 : }
3285 131040 : ivas_get_spar_md_from_dirac_fx( azi_dirac_fx, ele_dirac_fx, diffuseness_fx, num_md_sub_frames, NULL, NULL, &hMdDec->spar_md, &hMdDec->spar_md_cfg, end_band, idiv1616( num_bands_out, bw ), order, dtx_vad, NULL, st_ivas->hQMetaData->useLowerRes, active_w_vlbr, dyn_active_w_flag );
3286 :
3287 131040 : test();
3288 131040 : IF( st_ivas->hQMetaData->useLowerRes && dtx_vad )
3289 : {
3290 54715 : FOR( band = SPAR_DIRAC_SPLIT_START_BAND; band < IVAS_MAX_NUM_BANDS; band++ )
3291 : {
3292 43772 : FOR( block = 1; block < num_md_sub_frames; block++ )
3293 : {
3294 0 : FOR( i = 0; i < FOA_CHANNELS - 1; i++ ) /* pred coefficient index (index 0, 1, 2 predicts Y, Z, X respectively) */
3295 : {
3296 0 : hMdDec->spar_md.band_coeffs[( band + ( block * IVAS_MAX_NUM_BANDS ) )].pred_re_fx[i] = hMdDec->spar_md.band_coeffs[band].pred_re_fx[i]; /*Q22*/
3297 0 : move32();
3298 : }
3299 0 : FOR( i = 0; i < FOA_CHANNELS - 1; i++ ) /* pred coefficient index (index 0, 1, 2 predicts Y, Z, X respectively) */
3300 : {
3301 0 : hMdDec->spar_md.band_coeffs[( band + ( block * IVAS_MAX_NUM_BANDS ) )].P_re_fx[i] = hMdDec->spar_md.band_coeffs[band].P_re_fx[i]; /*Q22*/
3302 0 : move32();
3303 : }
3304 : }
3305 : }
3306 : }
3307 :
3308 : /* expand DirAC TC 20ms MD for residual channels to all subframes*/
3309 622305 : FOR( block = 0; block < num_md_sub_frames; block++ )
3310 : {
3311 2456325 : FOR( band = SPAR_DIRAC_SPLIT_START_BAND; band < IVAS_MAX_NUM_BANDS; band++ )
3312 : {
3313 7860240 : FOR( pred_idx = 0; pred_idx < FOA_CHANNELS - 1; pred_idx++ ) /* pred coefficient index (index 0, 1, 2 predicts Y, Z, X respectively) */
3314 : {
3315 5895180 : IF( ivas_is_res_channel( add( pred_idx, 1 ), hMdDec->spar_md_cfg.nchan_transport ) )
3316 : {
3317 : /* use 20ms coefficients only for residual channels */
3318 2833824 : hMdDec->spar_md.band_coeffs[( band + ( block * IVAS_MAX_NUM_BANDS ) )].pred_re_fx[pred_idx] = pred_re_20ms_fx[band][pred_idx]; /*Q22*/
3319 2833824 : move32();
3320 : }
3321 : }
3322 : }
3323 : }
3324 :
3325 632992 : FOR( b = i_mult( end_band, bw ); b < num_bands_out; b++ )
3326 : {
3327 501952 : hMdDec->valid_bands[b] = 1;
3328 501952 : move16();
3329 : }
3330 :
3331 131040 : return;
3332 : }
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