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 :
43 :
44 : /*------------------------------------------------------------------------------------------*
45 : * Local constants
46 : *------------------------------------------------------------------------------------------*/
47 : #define DEG180_BY_PI_Q24 ( (Word32) 0x394BB835 ) /* 180.0/PI in Q24) */
48 :
49 : #define IVAS_DEFAULT_DTX_CNG_RAMP ( 8 )
50 :
51 : /* PLC constants */
52 : static const Word16 ivas_spar_dec_plc_num_frames_keep = 9;
53 : // static const Word16 ivas_spar_dec_plc_num_frames_fade_out = 9;
54 : static const Word16 ivas_spar_dec_plc_per_frame_ramp_down_gain_dB = 3;
55 : static const Word16 ivas_spar_dec_plc_max_num_frames_ramp_down = 33;
56 : static const Word16 ivas_spar_dec_plc_spatial_target[IVAS_SPAR_MAX_CH] = { 1, 0, 0, 0, 0, 0, 0, 0 };
57 :
58 :
59 : /*------------------------------------------------------------------------------------------*
60 : * Static functions declaration
61 : *------------------------------------------------------------------------------------------*/
62 :
63 : 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 );
64 : 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 );
65 :
66 : 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 );
67 :
68 : 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 );
69 :
70 : 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 );
71 :
72 : 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 );
73 :
74 : 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 );
75 :
76 : 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 );
77 :
78 : static ivas_error ivas_spar_set_dec_config( ivas_spar_md_dec_state_t *hMdDec, const Word16 nchan_transport, Word32 *pFC );
79 :
80 : 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 );
81 :
82 : 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 );
83 :
84 : 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 );
85 :
86 :
87 1598 : ivas_error ivas_spar_md_dec_matrix_open_fx(
88 : ivas_spar_md_dec_state_t *hMdDec, /* i/o: SPAR MD decoder handle */
89 : const Word16 num_channels, /* i : number of internal channels Q0*/
90 : const Word16 num_md_sub_frames /* i : number of MD subframes Q0*/
91 : )
92 : {
93 : Word16 i, j;
94 : Word16 k;
95 1598 : 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 )
96 : {
97 0 : return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for band_coeffs in SPAR MD" );
98 : }
99 1598 : IF( ( hMdDec->band_coeffs_prev = (ivas_band_coeffs_t *) malloc( IVAS_MAX_NUM_BANDS * sizeof( ivas_band_coeffs_t ) ) ) == NULL )
100 : {
101 0 : return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for band_coeffs in SPAR MD" );
102 : }
103 1598 : IF( ( hMdDec->mixer_mat_fx = (Word32 ***) malloc( i_mult( num_channels, sizeof( Word32 ** ) ) ) ) == NULL )
104 : {
105 0 : return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for SPAR MD matrix" );
106 : }
107 9104 : FOR( i = 0; i < num_channels; i++ )
108 : {
109 7506 : IF( ( hMdDec->mixer_mat_fx[i] = (Word32 **) malloc( i_mult( num_channels, sizeof( Word32 * ) ) ) ) == NULL )
110 : {
111 0 : return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for SPAR MD matrix" );
112 : }
113 47866 : FOR( j = 0; j < num_channels; j++ )
114 : {
115 40360 : IF( ( hMdDec->mixer_mat_fx[i][j] = (Word32 *) malloc( i_mult( i_mult( num_md_sub_frames, IVAS_MAX_NUM_BANDS ), sizeof( Word32 ) ) ) ) == NULL )
116 : {
117 0 : return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for SPAR MD matrix" );
118 : }
119 : }
120 : }
121 :
122 1598 : IF( ( hMdDec->spar_coeffs.C_re_fx = (Word32 ***) malloc( i_mult( num_channels, sizeof( Word32 ** ) ) ) ) == NULL )
123 : {
124 0 : return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for SPAR MD matrix" );
125 : }
126 9104 : FOR( i = 0; i < num_channels; i++ )
127 : {
128 7506 : IF( ( hMdDec->spar_coeffs.C_re_fx[i] = (Word32 **) malloc( i_mult( num_channels, sizeof( Word32 * ) ) ) ) == NULL )
129 : {
130 0 : return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for SPAR MD matrix" );
131 : }
132 47866 : FOR( j = 0; j < num_channels; j++ )
133 : {
134 40360 : 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 )
135 : {
136 0 : return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for SPAR MD matrix" );
137 : }
138 : }
139 : }
140 :
141 1598 : IF( ( hMdDec->spar_coeffs.P_re_fx = (Word32 ***) malloc( i_mult( num_channels, sizeof( Word32 ** ) ) ) ) == NULL )
142 : {
143 0 : return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for SPAR MD matrix" );
144 : }
145 9104 : FOR( i = 0; i < num_channels; i++ )
146 : {
147 7506 : IF( ( hMdDec->spar_coeffs.P_re_fx[i] = (Word32 **) malloc( i_mult( num_channels, sizeof( Word32 * ) ) ) ) == NULL )
148 : {
149 0 : return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for SPAR MD matrix" );
150 : }
151 47866 : FOR( j = 0; j < num_channels; j++ )
152 : {
153 40360 : IF( ( hMdDec->spar_coeffs.P_re_fx[i][j] = (Word32 *) malloc( i_mult( num_md_sub_frames, IVAS_MAX_NUM_BANDS * sizeof( Word32 ) ) ) ) == NULL )
154 : {
155 0 : return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for SPAR MD matrix" );
156 : }
157 : }
158 : }
159 :
160 1598 : IF( ( hMdDec->spar_coeffs_prev.C_re_fx = (Word32 ***) malloc( i_mult( num_channels, sizeof( Word32 ** ) ) ) ) == NULL )
161 : {
162 0 : return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for SPAR MD matrix" );
163 : }
164 9104 : FOR( i = 0; i < num_channels; i++ )
165 : {
166 7506 : IF( ( hMdDec->spar_coeffs_prev.C_re_fx[i] = (Word32 **) malloc( i_mult( num_channels, sizeof( Word32 * ) ) ) ) == NULL )
167 : {
168 0 : return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for SPAR MD matrix" );
169 : }
170 47866 : FOR( j = 0; j < num_channels; j++ )
171 : {
172 40360 : IF( ( hMdDec->spar_coeffs_prev.C_re_fx[i][j] = (Word32 *) malloc( IVAS_MAX_NUM_BANDS * sizeof( Word32 ) ) ) == NULL )
173 : {
174 0 : return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for SPAR MD matrix" );
175 : }
176 : }
177 : }
178 :
179 1598 : IF( ( hMdDec->spar_coeffs_prev.P_re_fx = (Word32 ***) malloc( i_mult( num_channels, sizeof( Word32 ** ) ) ) ) == NULL )
180 : {
181 0 : return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for SPAR MD matrix" );
182 : }
183 9104 : FOR( i = 0; i < num_channels; i++ )
184 : {
185 7506 : IF( ( hMdDec->spar_coeffs_prev.P_re_fx[i] = (Word32 **) malloc( i_mult( num_channels, sizeof( Word32 * ) ) ) ) == NULL )
186 : {
187 0 : return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for SPAR MD matrix" );
188 : }
189 47866 : FOR( j = 0; j < num_channels; j++ )
190 : {
191 40360 : IF( ( hMdDec->spar_coeffs_prev.P_re_fx[i][j] = (Word32 *) malloc( IVAS_MAX_NUM_BANDS * sizeof( Word32 ) ) ) == NULL )
192 : {
193 0 : return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for SPAR MD matrix" );
194 : }
195 : }
196 : }
197 1598 : IF( ( hMdDec->spar_coeffs_tar.C_re_fx = (Word32 ***) malloc( i_mult( num_channels, sizeof( Word32 ** ) ) ) ) == NULL )
198 : {
199 0 : return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for SPAR MD matrix" );
200 : }
201 9104 : FOR( i = 0; i < num_channels; i++ )
202 : {
203 7506 : IF( ( hMdDec->spar_coeffs_tar.C_re_fx[i] = (Word32 **) malloc( i_mult( num_channels, sizeof( Word32 * ) ) ) ) == NULL )
204 : {
205 0 : return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for SPAR MD matrix" );
206 : }
207 47866 : FOR( j = 0; j < num_channels; j++ )
208 : {
209 40360 : IF( ( hMdDec->spar_coeffs_tar.C_re_fx[i][j] = (Word32 *) malloc( IVAS_MAX_NUM_BANDS * sizeof( Word32 ) ) ) == NULL )
210 : {
211 0 : return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for SPAR MD matrix" );
212 : }
213 : }
214 : }
215 1598 : IF( ( hMdDec->spar_coeffs_tar.P_re_fx = (Word32 ***) malloc( i_mult( num_channels, sizeof( Word32 ** ) ) ) ) == NULL )
216 : {
217 0 : return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for SPAR MD matrix" );
218 : }
219 9104 : FOR( i = 0; i < num_channels; i++ )
220 : {
221 7506 : IF( ( hMdDec->spar_coeffs_tar.P_re_fx[i] = (Word32 **) malloc( i_mult( num_channels, sizeof( Word32 * ) ) ) ) == NULL )
222 : {
223 0 : return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for SPAR MD matrix" );
224 : }
225 47866 : FOR( j = 0; j < num_channels; j++ )
226 : {
227 40360 : IF( ( hMdDec->spar_coeffs_tar.P_re_fx[i][j] = (Word32 *) malloc( IVAS_MAX_NUM_BANDS * sizeof( Word32 ) ) ) == NULL )
228 : {
229 0 : return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for SPAR MD matrix" );
230 : }
231 : }
232 : }
233 :
234 9104 : FOR( i = 0; i < num_channels; i++ )
235 : {
236 47866 : FOR( j = 0; j < num_channels; j++ )
237 : {
238 524680 : FOR( k = 0; k < IVAS_MAX_NUM_BANDS; k++ )
239 : {
240 484320 : hMdDec->spar_coeffs_prev.C_re_fx[i][j][k] = 0;
241 484320 : move32();
242 484320 : hMdDec->spar_coeffs_prev.P_re_fx[i][j][k] = 0;
243 484320 : move32();
244 484320 : hMdDec->spar_coeffs_tar.C_re_fx[i][j][k] = 0;
245 484320 : move32();
246 484320 : hMdDec->spar_coeffs_tar.P_re_fx[i][j][k] = 0;
247 484320 : move32();
248 : }
249 : }
250 : }
251 :
252 1598 : return IVAS_ERR_OK;
253 : }
254 :
255 : /*-------------------------------------------------------------------------
256 : * ivas_get_spar_dec_md_num_subframes()
257 : *
258 : * return number of MD subframes
259 : *------------------------------------------------------------------------*/
260 :
261 : /*! r: number of MD subframes */
262 1513408 : Word16 ivas_get_spar_dec_md_num_subframes(
263 : const Word16 sba_order, /* i : Ambisonic (SBA) order Q0*/
264 : const Word32 ivas_total_brate, /* i : IVAS total bitrate Q0*/
265 : const Word32 ivas_last_active_brate /* i : IVAS last active bitrate Q0*/
266 : )
267 : {
268 : Word16 num_subframes;
269 :
270 1513408 : num_subframes = MAX_PARAM_SPATIAL_SUBFRAMES;
271 1513408 : move16();
272 1513408 : IF( GT_16( sba_order, SBA_FOA_ORDER ) )
273 : {
274 329790 : if ( GE_32( ivas_total_brate, IVAS_512k ) )
275 : {
276 68402 : num_subframes = 1;
277 68402 : move16();
278 : }
279 : }
280 :
281 1513408 : test();
282 1513408 : test();
283 1513408 : test();
284 1513408 : 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 ) ) )
285 : {
286 124282 : num_subframes = 1;
287 124282 : move16();
288 : }
289 :
290 1513408 : return ( num_subframes ); /*Q0*/
291 : }
292 :
293 :
294 : /*-------------------------------------------------------------------------
295 : * ivas_spar_md_dec_open()
296 : *
297 : * Allocate and initialize SPAR MD decoder handle
298 : *------------------------------------------------------------------------*/
299 :
300 1558 : ivas_error ivas_spar_md_dec_open(
301 : ivas_spar_md_dec_state_t **hMdDec_out, /* i/o: SPAR MD decoder handle */
302 : const DECODER_CONFIG_HANDLE hDecoderConfig, /* i : configuration structure */
303 : const Word16 num_channels, /* i : number of internal channels Q0*/
304 : const Word16 sba_order, /* i : SBA order Q0*/
305 : const Word16 sid_format, /* i : SID format Q0*/
306 : const Word32 last_active_ivas_total_brate /* i : IVAS last active bitrate Q0*/
307 : )
308 : {
309 : ivas_spar_md_dec_state_t *hMdDec;
310 : ivas_error error;
311 : Word16 num_md_sub_frames;
312 :
313 1558 : error = IVAS_ERR_OK;
314 1558 : move32();
315 :
316 1558 : IF( ( hMdDec = (ivas_spar_md_dec_state_t *) malloc( sizeof( ivas_spar_md_dec_state_t ) ) ) == NULL )
317 : {
318 0 : return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for SPAR MD decoder" );
319 : }
320 :
321 1558 : num_md_sub_frames = ivas_get_spar_dec_md_num_subframes( sba_order, hDecoderConfig->ivas_total_brate, last_active_ivas_total_brate ); /*Q0*/
322 :
323 1558 : IF( NE_32( ( error = ivas_spar_md_dec_matrix_open_fx( hMdDec, num_channels, num_md_sub_frames ) ), IVAS_ERR_OK ) )
324 : {
325 0 : return error;
326 : }
327 :
328 1558 : IF( EQ_32( hDecoderConfig->ivas_total_brate, IVAS_SID_5k2 ) )
329 : {
330 0 : IF( EQ_16( sid_format, SID_SBA_2TC ) )
331 : {
332 0 : hMdDec->table_idx = ivas_get_spar_table_idx_fx( IVAS_48k, sba_order, SPAR_CONFIG_BW, NULL, NULL ); /*Q0*/
333 0 : move16();
334 : }
335 : ELSE
336 : {
337 0 : hMdDec->table_idx = ivas_get_spar_table_idx_fx( IVAS_24k4, sba_order, SPAR_CONFIG_BW, NULL, NULL );
338 0 : move16();
339 : }
340 : }
341 : ELSE
342 : {
343 1558 : hMdDec->table_idx = ivas_get_spar_table_idx_fx( hDecoderConfig->ivas_total_brate, sba_order, SPAR_CONFIG_BW, NULL, NULL );
344 1558 : move16();
345 : }
346 :
347 1558 : IF( NE_32( ( error = ivas_spar_md_dec_init( hMdDec, hDecoderConfig, num_channels, sba_order ) ), IVAS_ERR_OK ) )
348 : {
349 0 : return error;
350 : }
351 :
352 1558 : *hMdDec_out = hMdDec;
353 :
354 1558 : return error;
355 : }
356 :
357 :
358 : /*-------------------------------------------------------------------------
359 : * ivas_spar_md_dec_matrix_close()
360 : *
361 : * Deallocate SPAR MD decoder matrices
362 : *------------------------------------------------------------------------*/
363 :
364 1598 : void ivas_spar_md_dec_matrix_close_fx(
365 : ivas_spar_md_dec_state_t *hMdDecoder, /* i/o: SPAR MD decoder handle */
366 : const Word16 num_channels /* i : number of internal channels Q0*/
367 : )
368 : {
369 : Word16 i, j;
370 :
371 1598 : IF( hMdDecoder->spar_md.band_coeffs != NULL )
372 : {
373 1598 : free( hMdDecoder->spar_md.band_coeffs );
374 1598 : hMdDecoder->spar_md.band_coeffs = NULL;
375 : }
376 1598 : IF( hMdDecoder->band_coeffs_prev != NULL )
377 : {
378 1598 : free( hMdDecoder->band_coeffs_prev );
379 1598 : hMdDecoder->band_coeffs_prev = NULL;
380 : }
381 :
382 1598 : IF( hMdDecoder->mixer_mat_fx != NULL )
383 : {
384 9104 : FOR( i = 0; i < num_channels; i++ )
385 : {
386 47866 : FOR( j = 0; j < num_channels; j++ )
387 : {
388 40360 : free( hMdDecoder->mixer_mat_fx[i][j] );
389 : }
390 7506 : free( hMdDecoder->mixer_mat_fx[i] );
391 : }
392 1598 : free( hMdDecoder->mixer_mat_fx );
393 : }
394 1598 : IF( hMdDecoder->spar_coeffs.C_re_fx != NULL )
395 : {
396 9104 : FOR( i = 0; i < num_channels; i++ )
397 : {
398 47866 : FOR( j = 0; j < num_channels; j++ )
399 : {
400 40360 : free( hMdDecoder->spar_coeffs.C_re_fx[i][j] );
401 : }
402 7506 : free( hMdDecoder->spar_coeffs.C_re_fx[i] );
403 : }
404 1598 : free( hMdDecoder->spar_coeffs.C_re_fx );
405 : }
406 1598 : IF( hMdDecoder->spar_coeffs.P_re_fx != NULL )
407 : {
408 9104 : FOR( i = 0; i < num_channels; i++ )
409 : {
410 47866 : FOR( j = 0; j < num_channels; j++ )
411 : {
412 40360 : free( hMdDecoder->spar_coeffs.P_re_fx[i][j] );
413 : }
414 7506 : free( hMdDecoder->spar_coeffs.P_re_fx[i] );
415 : }
416 1598 : free( hMdDecoder->spar_coeffs.P_re_fx );
417 : }
418 :
419 1598 : IF( hMdDecoder->spar_coeffs_prev.C_re_fx != NULL )
420 : {
421 9104 : FOR( i = 0; i < num_channels; i++ )
422 : {
423 47866 : FOR( j = 0; j < num_channels; j++ )
424 : {
425 40360 : free( hMdDecoder->spar_coeffs_prev.C_re_fx[i][j] );
426 : }
427 7506 : free( hMdDecoder->spar_coeffs_prev.C_re_fx[i] );
428 : }
429 1598 : free( hMdDecoder->spar_coeffs_prev.C_re_fx );
430 : }
431 :
432 1598 : IF( hMdDecoder->spar_coeffs_prev.P_re_fx != NULL )
433 : {
434 9104 : FOR( i = 0; i < num_channels; i++ )
435 : {
436 47866 : FOR( j = 0; j < num_channels; j++ )
437 : {
438 40360 : free( hMdDecoder->spar_coeffs_prev.P_re_fx[i][j] );
439 : }
440 7506 : free( hMdDecoder->spar_coeffs_prev.P_re_fx[i] );
441 : }
442 1598 : free( hMdDecoder->spar_coeffs_prev.P_re_fx );
443 : }
444 :
445 1598 : IF( hMdDecoder->spar_coeffs_tar.C_re_fx != NULL )
446 : {
447 9104 : FOR( i = 0; i < num_channels; i++ )
448 : {
449 47866 : FOR( j = 0; j < num_channels; j++ )
450 : {
451 40360 : free( hMdDecoder->spar_coeffs_tar.C_re_fx[i][j] );
452 : }
453 7506 : free( hMdDecoder->spar_coeffs_tar.C_re_fx[i] );
454 : }
455 1598 : free( hMdDecoder->spar_coeffs_tar.C_re_fx );
456 : }
457 1598 : IF( hMdDecoder->spar_coeffs_tar.P_re_fx != NULL )
458 : {
459 9104 : FOR( i = 0; i < num_channels; i++ )
460 : {
461 47866 : FOR( j = 0; j < num_channels; j++ )
462 : {
463 40360 : free( hMdDecoder->spar_coeffs_tar.P_re_fx[i][j] );
464 : }
465 7506 : free( hMdDecoder->spar_coeffs_tar.P_re_fx[i] );
466 : }
467 1598 : free( hMdDecoder->spar_coeffs_tar.P_re_fx );
468 : }
469 :
470 1598 : return;
471 : }
472 :
473 : /*-------------------------------------------------------------------------
474 : * ivas_spar_md_dec_close()
475 : *
476 : * Deallocate SPAR MD decoder handle
477 : *------------------------------------------------------------------------*/
478 :
479 1558 : void ivas_spar_md_dec_close(
480 : ivas_spar_md_dec_state_t **hMdDec /* i/o: SPAR MD decoder handle */
481 : )
482 : {
483 : ivas_spar_md_dec_state_t *hMdDecoder;
484 : Word16 num_channels;
485 :
486 1558 : hMdDecoder = *hMdDec;
487 1558 : num_channels = hMdDecoder->spar_md_cfg.num_umx_chs;
488 1558 : move16();
489 :
490 1558 : ivas_spar_md_dec_matrix_close_fx( hMdDecoder, num_channels );
491 :
492 1558 : free( *hMdDec );
493 1558 : *hMdDec = NULL;
494 :
495 1558 : return;
496 : }
497 :
498 : Word32 pFC_8k[IVAS_MAX_NUM_BANDS] = { 33, 100, 166, 233, 300, 366, 433, 566, 866, 1333, 2033, 3233 }; /*Q0*/
499 : Word32 pFC_12k[IVAS_MAX_NUM_BANDS] = { 53, 160, 266, 373, 480, 586, 693, 906, 1386, 2133, 3253, 5173 }; /*Q0*/
500 : Word32 pFC_16k[IVAS_MAX_NUM_BANDS] = { 66, 200, 333, 466, 600, 733, 866, 1133, 1733, 2666, 4066, 6466 }; /*Q0*/
501 : Word32 pFC_32k[IVAS_MAX_NUM_BANDS] = { 133, 400, 666, 933, 1200, 1466, 1733, 2266, 3466, 5333, 8133, 12933 }; /*Q0*/
502 : Word32 pFC_48k[IVAS_MAX_NUM_BANDS] = { 199, 600, 1000, 1400, 1800, 2200, 2600, 3400, 5200, 8000, 12200, 19400 }; /*Q0*/
503 :
504 : /*-----------------------------------------------------------------------------------------*
505 : * Function ivas_spar_md_dec_init()
506 : *
507 : * SPAR MD decoder initialization
508 : *-----------------------------------------------------------------------------------------*/
509 1861 : ivas_error ivas_spar_md_dec_init(
510 : ivas_spar_md_dec_state_t *hMdDec, /* i/o: SPAR MD decoder handle */
511 : const DECODER_CONFIG_HANDLE hDecoderConfig, /* i : configuration structure */
512 : const Word16 num_channels, /* i : number of internal channels Q0*/
513 : const Word16 sba_order /* i : SBA order Q0*/
514 : )
515 : {
516 : Word16 i, j;
517 : Word16 nchan_transport;
518 1861 : Word32 *pFC_fx = NULL, PR_minmax_fx[2];
519 : ivas_error error;
520 :
521 1861 : 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 );
522 :
523 1861 : ivas_sba_get_spar_hoa_ch_ind_fx( num_channels, hDecoderConfig->ivas_total_brate, hMdDec->HOA_md_ind );
524 :
525 1861 : IF( hMdDec->spar_hoa_md_flag )
526 : {
527 240 : hMdDec->spar_md.num_bands = IVAS_MAX_NUM_BANDS;
528 240 : move16();
529 : }
530 : ELSE
531 : {
532 1621 : hMdDec->spar_md.num_bands = s_min( IVAS_MAX_NUM_BANDS, SPAR_DIRAC_SPLIT_START_BAND );
533 1621 : move16();
534 : }
535 :
536 1861 : 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 );
537 :
538 1861 : nchan_transport = hMdDec->spar_md_cfg.nchan_transport;
539 1861 : move16();
540 :
541 1861 : IF( EQ_32( hDecoderConfig->output_Fs, 8000 ) )
542 : {
543 0 : pFC_fx = pFC_8k; /*Q0*/
544 : }
545 1861 : ELSE IF( EQ_32( hDecoderConfig->output_Fs, 12800 ) )
546 : {
547 0 : pFC_fx = pFC_12k; /*Q0*/
548 : }
549 1861 : ELSE IF( EQ_32( hDecoderConfig->output_Fs, 16000 ) )
550 : {
551 132 : pFC_fx = pFC_16k; /*Q0*/
552 : }
553 1729 : ELSE IF( EQ_32( hDecoderConfig->output_Fs, 32000 ) )
554 : {
555 530 : pFC_fx = pFC_32k; /*Q0*/
556 : }
557 1199 : ELSE IF( EQ_32( hDecoderConfig->output_Fs, 48000 ) )
558 : {
559 1199 : pFC_fx = pFC_48k; /*Q0*/
560 : }
561 : ELSE
562 : {
563 0 : assert( 0 ); // update sample rate
564 : }
565 :
566 1861 : IF( NE_32( ( error = ivas_spar_set_dec_config( hMdDec, nchan_transport, pFC_fx ) ), IVAS_ERR_OK ) )
567 : {
568 0 : return error;
569 : }
570 :
571 1861 : test();
572 1861 : test();
573 1861 : 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 ) ) )
574 : {
575 0 : return IVAS_ERR_INTERNAL;
576 : }
577 :
578 : /* DTX quant init */
579 1861 : PR_minmax_fx[0] = hMdDec->spar_md_cfg.quant_strat[0].PR.min_fx; /*Q28*/
580 1861 : move32();
581 1861 : PR_minmax_fx[1] = hMdDec->spar_md_cfg.quant_strat[0].PR.max_fx; /*Q28*/
582 1861 : move32();
583 1861 : ivas_spar_quant_dtx_init_fx( &hMdDec->spar_md, PR_minmax_fx );
584 :
585 1861 : ivas_spar_arith_coeffs_com_init_fx( &hMdDec->arith_coeffs, &hMdDec->spar_md_cfg, hMdDec->table_idx, DEC );
586 1861 : ivas_spar_huff_coeffs_com_init_fx( &hMdDec->huff_coeffs, &hMdDec->spar_md_cfg, hMdDec->table_idx, DEC );
587 :
588 1861 : hMdDec->spar_md_cfg.prev_quant_idx = -1;
589 1861 : move16();
590 :
591 : /* initialize PLC state */
592 1861 : set16_fx( hMdDec->valid_bands, 0, IVAS_MAX_NUM_BANDS );
593 1861 : set16_fx( hMdDec->base_band_age, 0, IVAS_MAX_NUM_BANDS );
594 1861 : set16_fx( hMdDec->base_band_coeffs_age, 0, IVAS_MAX_NUM_BANDS );
595 1861 : hMdDec->spar_plc_num_lost_frames = 0;
596 1861 : move16();
597 1861 : hMdDec->spar_plc_enable_fadeout_flag = 1;
598 1861 : move16();
599 1861 : hMdDec->dtx_md_smoothing_cntr = 1;
600 1861 : move16();
601 :
602 1861 : ivas_clear_band_coeffs_fx( hMdDec->spar_md.band_coeffs, IVAS_MAX_NUM_BANDS );
603 1861 : ivas_clear_band_coeffs_fx( hMdDec->band_coeffs_prev, IVAS_MAX_NUM_BANDS );
604 :
605 1861 : ivas_clear_band_coeff_idx( hMdDec->spar_md.band_coeffs_idx, IVAS_MAX_NUM_BANDS );
606 1861 : ivas_clear_band_coeff_idx( hMdDec->spar_md_prev.band_coeffs_idx, IVAS_MAX_NUM_BANDS );
607 1861 : ivas_clear_band_coeff_idx( hMdDec->spar_md_prev.band_coeffs_idx_mapped, IVAS_MAX_NUM_BANDS );
608 :
609 1861 : hMdDec->spar_md.dtx_vad = 0;
610 1861 : move16();
611 1861 : hMdDec->td_decorr_flag = 1;
612 1861 : move16();
613 :
614 :
615 1861 : set32_fx( hMdDec->spar_md.en_ratio_slow_fx, 0, IVAS_MAX_NUM_BANDS );
616 1861 : set32_fx( hMdDec->spar_md.ref_pow_slow_fx, 0, IVAS_MAX_NUM_BANDS );
617 1861 : set16_fx( hMdDec->smooth_fac_fx, 0, IVAS_MAX_NUM_BANDS );
618 :
619 24193 : FOR( i = 0; i < IVAS_MAX_NUM_BANDS; i++ )
620 : {
621 22332 : set32_fx( hMdDec->smooth_buf_fx[i], 0, 2 * SBA_DIRAC_NRG_SMOOTH_LONG + 1 );
622 : }
623 :
624 22332 : FOR( i = 0; i < IVAS_SPAR_MAX_CH; i++ )
625 : {
626 245652 : FOR( j = 0; j < IVAS_SPAR_MAX_CH; j++ )
627 : {
628 225181 : set32_fx( hMdDec->mixer_mat_prev2_fx[i][j], 0, IVAS_MAX_NUM_BANDS );
629 : }
630 : }
631 1861 : hMdDec->first_valid_frame = 1;
632 1861 : move16();
633 :
634 1861 : return IVAS_ERR_OK;
635 : }
636 :
637 :
638 : /*-----------------------------------------------------------------------------------------*
639 : * Function ivas_spar_set_dec_config()
640 : *
641 : * Set configuration for SPAR MD decoder
642 : *-----------------------------------------------------------------------------------------*/
643 1861 : static ivas_error ivas_spar_set_dec_config(
644 : ivas_spar_md_dec_state_t *hMdDec,
645 : const Word16 nchan_transport,
646 : Word32 *pFC /*Q0*/ )
647 : {
648 : Word16 i, j, nchan, dmx_ch;
649 :
650 6056 : FOR( i = 0; i < nchan_transport; i++ )
651 : {
652 4195 : hMdDec->spar_md_cfg.max_freq_per_chan[i] = ivas_spar_br_table_consts[hMdDec->table_idx].fpcs; /*Q0*/
653 4195 : move16();
654 : }
655 :
656 1861 : 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*/
657 :
658 1861 : SWITCH( nchan )
659 : {
660 1621 : case 4: /* FOA_CHANNELS */
661 1621 : hMdDec->num_decorr = IVAS_TD_DECORR_OUT_3CH;
662 1621 : move16();
663 1621 : BREAK;
664 17 : case 9: /* IVAS_HOA_2_CH */
665 17 : hMdDec->num_decorr = IVAS_TD_DECORR_OUT_5CH;
666 17 : move16();
667 17 : BREAK;
668 38 : case 6: /* IVAS_HOA_2_CH */
669 38 : hMdDec->num_decorr = IVAS_TD_DECORR_OUT_2CH;
670 38 : move16();
671 38 : BREAK;
672 114 : case 8: /* IVAS_HOA_3_CH */
673 114 : hMdDec->num_decorr = IVAS_TD_DECORR_OUT_4CH;
674 114 : move16();
675 114 : BREAK;
676 : }
677 :
678 1861 : hMdDec->spar_md_cfg.num_umx_chs = nchan; /*Q0*/
679 1861 : move16();
680 :
681 1861 : dmx_ch = 0;
682 1861 : move16();
683 24193 : FOR( i = 0; i < IVAS_MAX_NUM_BANDS; i++ )
684 : {
685 22332 : dmx_ch = 0;
686 22332 : move16();
687 72672 : FOR( j = 0; j < nchan_transport; j++ )
688 : {
689 50340 : if ( LT_32( pFC[i], hMdDec->spar_md_cfg.max_freq_per_chan[j] ) )
690 : {
691 50340 : dmx_ch = add( dmx_ch, 1 );
692 : }
693 : }
694 :
695 22332 : hMdDec->spar_md_cfg.num_dmx_chans_per_band[i] = hMdDec->spar_md_cfg.nchan_transport; /*Q0*/
696 22332 : move16();
697 22332 : hMdDec->spar_md_cfg.num_decorr_per_band[i] = sub( nchan, hMdDec->spar_md_cfg.nchan_transport ); /*Q0*/
698 22332 : move16();
699 : }
700 :
701 1861 : hMdDec->spar_md_cfg.nchan_transport = dmx_ch; /*Q0*/
702 1861 : move16();
703 :
704 1861 : return IVAS_ERR_OK;
705 : }
706 :
707 :
708 : /*-----------------------------------------------------------------------------------------*
709 : * Function ivas_dec_mono_sba_handling()
710 : *
711 : *
712 : *-----------------------------------------------------------------------------------------*/
713 :
714 148183 : static void ivas_dec_mono_sba_handling_fx(
715 : Decoder_Struct *st_ivas /* i/o: IVAS decoder handle */
716 : )
717 : {
718 : Word16 mono_flag, b, block;
719 :
720 148183 : mono_flag = 1;
721 148183 : move16();
722 :
723 709938 : FOR( b = 0; b < st_ivas->hQMetaData->q_direction[0].cfg.nbands; b++ )
724 : {
725 2808775 : FOR( block = 0; block < MAX_PARAM_SPATIAL_SUBFRAMES; ++block )
726 : {
727 2247020 : Word32 azimuth_fx = st_ivas->hQMetaData->q_direction[0].band_data[b].azimuth_fx[block]; /*Q22*/
728 2247020 : move32();
729 2247020 : Word32 elevation_fx = st_ivas->hQMetaData->q_direction[0].band_data[b].azimuth_fx[block]; /*Q22*/
730 2247020 : move32();
731 2247020 : Word32 energy_ratio_fx = st_ivas->hQMetaData->q_direction[0].band_data[0].energy_ratio_fx[block]; /*Q30*/
732 2247020 : move32();
733 :
734 2247020 : test();
735 2247020 : test();
736 2247020 : if (
737 486179 : ( ( azimuth_fx != 0 ) ) ||
738 486179 : ( ( elevation_fx != 0 ) ) ||
739 486179 : ( GT_32( energy_ratio_fx, 161061274 /* 0.15f in Q30 */ ) ) ) /* 0.15f is just above the lowest quantised value. */
740 : {
741 1955943 : mono_flag = 0;
742 1955943 : move16();
743 : }
744 : }
745 : }
746 :
747 : /* Combine the SPAR prediction coefs flag with the azimuth, elevation and energy ratio flag.*/
748 148183 : test();
749 148183 : mono_flag = mono_flag && ivas_spar_chk_zero_coefs_fx( st_ivas );
750 :
751 148183 : IF( mono_flag )
752 : {
753 : /* Set Energy Ratio values to be zero */
754 368 : FOR( b = 0; b < st_ivas->hQMetaData->q_direction[0].cfg.nbands; b++ )
755 : {
756 276 : set32_fx( st_ivas->hQMetaData->q_direction[0].band_data[b].energy_ratio_fx, 0, MAX_PARAM_SPATIAL_SUBFRAMES );
757 : }
758 92 : IF( st_ivas->hDirAC != NULL )
759 : {
760 644 : FOR( block = 0; block < st_ivas->hSpatParamRendCom->dirac_md_buffer_length; ++block )
761 : {
762 : /* Set directional Energy Ratio values to be zero */
763 552 : set32_fx( st_ivas->hSpatParamRendCom->energy_ratio1_fx[block], 0, st_ivas->hSpatParamRendCom->num_freq_bands );
764 552 : IF( EQ_32( st_ivas->hQMetaData->no_directions, 2 ) )
765 : {
766 0 : set32_fx( st_ivas->hSpatParamRendCom->energy_ratio2_fx[block], 0, st_ivas->hSpatParamRendCom->num_freq_bands );
767 : }
768 : /* Set Diffuseness values to be 1.0 */
769 552 : set32_fx( st_ivas->hSpatParamRendCom->diffuseness_vector_fx[block], ONE_IN_Q30, st_ivas->hSpatParamRendCom->num_freq_bands ); /*Q30*/
770 : }
771 : }
772 : }
773 :
774 148183 : return;
775 : }
776 :
777 :
778 : /*-----------------------------------------------------------------------------------------*
779 : * Function ivas_spar_md_dec_process_fx()
780 : *
781 : * SPAR Meta Data decoder process
782 : *-----------------------------------------------------------------------------------------*/
783 :
784 148183 : void ivas_spar_md_dec_process_fx(
785 : Decoder_Struct *st_ivas, /* i/o: IVAS decoder handle */
786 : Decoder_State *st0, /* i/o: decoder state structure - for bitstream handling */
787 : const Word16 num_bands_out, /* i : number of output bands Q0*/
788 : const Word16 sba_order /* i : Ambisonic (SBA) order Q0*/
789 : )
790 : {
791 : Word16 j, k, b, bw, dtx_vad, nB, i_ts;
792 : ivas_spar_md_dec_state_t *hMdDec;
793 : Word16 num_md_chs;
794 : Word16 num_md_sub_frames;
795 : Word16 dyn_active_w_flag;
796 : Word16 active_w_vlbr;
797 :
798 148183 : hMdDec = st_ivas->hSpar->hMdDec;
799 :
800 148183 : IF( LT_32( st_ivas->hDecoderConfig->ivas_total_brate, IVAS_24k4 ) )
801 : {
802 11371 : active_w_vlbr = 1;
803 11371 : move16();
804 : }
805 : ELSE
806 : {
807 136812 : active_w_vlbr = 0;
808 136812 : move16();
809 : }
810 :
811 148183 : num_md_chs = ivas_sba_get_nchan_metadata_fx( sba_order, st_ivas->hDecoderConfig->ivas_total_brate ); /*Q0*/
812 :
813 148183 : 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*/
814 :
815 148183 : test();
816 148183 : IF( GT_16( hMdDec->spar_md_cfg.nchan_transport, 1 ) && LE_16( hMdDec->spar_md_cfg.nchan_transport, 3 ) )
817 : {
818 70535 : hMdDec->spar_md.res_ind = 0;
819 70535 : move16();
820 70535 : dyn_active_w_flag = get_next_indice_fx( st0, 1 ); /*Q0*/
821 70535 : IF( EQ_16( dyn_active_w_flag, 1 ) )
822 : {
823 0 : IF( EQ_16( hMdDec->spar_md_cfg.nchan_transport, 2 ) )
824 : {
825 0 : hMdDec->spar_md.res_ind = get_next_indice_fx( st0, 1 ); /*Q0*/
826 0 : move16();
827 0 : hMdDec->spar_md.res_ind = add( hMdDec->spar_md_cfg.nchan_transport, hMdDec->spar_md.res_ind ); /*Q0*/
828 0 : move16();
829 : }
830 0 : ELSE IF( EQ_16( hMdDec->spar_md_cfg.nchan_transport, 3 ) )
831 : {
832 0 : hMdDec->spar_md.res_ind = remix_order_set[hMdDec->spar_md_cfg.remix_unmix_order][hMdDec->spar_md_cfg.nchan_transport]; /*Q0*/
833 0 : move16();
834 : }
835 : }
836 : }
837 : ELSE
838 : {
839 77648 : dyn_active_w_flag = 0;
840 77648 : move16();
841 77648 : IF( EQ_16( hMdDec->spar_md_cfg.nchan_transport, FOA_CHANNELS ) )
842 : {
843 39194 : get_next_indice_fx( st0, 1 );
844 : }
845 : }
846 :
847 148183 : ivas_spar_dec_parse_md_bs_fx( hMdDec, st0, &nB, &bw, &dtx_vad, st_ivas->hDecoderConfig->ivas_total_brate,
848 148183 : st_ivas->hQMetaData->sba_inactive_mode );
849 :
850 148183 : assert( nB == hMdDec->spar_md.num_bands );
851 148183 : assert( bw == 1 );
852 148183 : ivas_spar_md_fill_invalid_bandcoeffs(
853 : hMdDec->spar_md.band_coeffs,
854 : hMdDec->band_coeffs_prev,
855 148183 : &hMdDec->valid_bands[0],
856 : &hMdDec->base_band_coeffs_age[0],
857 : &hMdDec->first_valid_frame,
858 : nB );
859 :
860 148183 : ivas_dec_mono_sba_handling_fx( st_ivas );
861 :
862 : /* SPAR to DirAC conversion */
863 148183 : IF( EQ_16( hMdDec->spar_hoa_dirac2spar_md_flag, 1 ) )
864 : {
865 138319 : ivas_spar_to_dirac_fx( st_ivas, hMdDec, dtx_vad, num_bands_out, bw, dyn_active_w_flag );
866 : }
867 :
868 : /* set correct number of bands*/
869 148183 : nB = IVAS_MAX_NUM_BANDS;
870 148183 : move16();
871 :
872 : /* expand DirAC MD to all time slots */
873 529366 : FOR( i_ts = 1; i_ts < num_md_sub_frames; i_ts++ )
874 : {
875 3562035 : FOR( b = 0; b < hMdDec->spar_md.num_bands; b++ )
876 : {
877 34989372 : FOR( j = 0; j < IVAS_SPAR_MAX_CH - 1; j++ )
878 : {
879 31808520 : 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*/
880 31808520 : move32();
881 : }
882 :
883 25446816 : FOR( j = 0; j < IVAS_SPAR_MAX_CH - IVAS_SPAR_MAX_DMX_CHS; j++ )
884 : {
885 89063856 : FOR( k = 0; k < IVAS_SPAR_MAX_DMX_CHS - 1; k++ )
886 : {
887 66797892 : 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*/
888 66797892 : move32();
889 : }
890 : }
891 :
892 34989372 : FOR( j = 0; j < IVAS_SPAR_MAX_CH - 1; j++ )
893 : {
894 31808520 : 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*/
895 31808520 : move32();
896 : }
897 : }
898 : }
899 :
900 148183 : 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 );
901 :
902 : #ifdef DEBUG_SPAR_DIRAC_WRITE_OUT_PRED_PARS
903 : {
904 : static FILE *fid = 0;
905 : int16_t band = 9;
906 : if ( !fid )
907 : {
908 : fid = fopen( "pred_coeffs_dec.txt", "wt" );
909 : }
910 : fprintf( fid, "%.6f\n", hMdDec->mixer_mat[1][0][band] );
911 : }
912 : #endif
913 148183 : 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 );
914 :
915 :
916 148183 : hMdDec->dtx_md_smoothing_cntr = 1;
917 148183 : move16();
918 :
919 148183 : return;
920 : }
921 :
922 :
923 793 : Word16 ivas_spar_chk_zero_coefs_fx(
924 : Decoder_Struct *st_ivas /* i/o: IVAS decoder handle */
925 : )
926 : {
927 : Word16 j, k, b;
928 : ivas_spar_md_dec_state_t *hMdDec;
929 793 : Word16 mono = 1;
930 793 : move16();
931 : Word16 ndec, ndm;
932 :
933 793 : hMdDec = st_ivas->hSpar->hMdDec;
934 793 : ndec = hMdDec->spar_md_cfg.num_decorr_per_band[0]; /*Q0*/
935 793 : move16();
936 793 : ndm = hMdDec->spar_md_cfg.num_dmx_chans_per_band[0]; /*Q0*/
937 793 : move16();
938 :
939 793 : Word16 min_bands = s_min( hMdDec->spar_md.num_bands, SPAR_DIRAC_SPLIT_START_BAND );
940 7137 : FOR( b = 0; b < min_bands; b++ )
941 : {
942 25456 : FOR( j = 0; j < ( ( ndm + ndec ) - 1 ); j++ )
943 : {
944 19112 : if ( hMdDec->spar_md.band_coeffs[b].pred_re_fx[j] != 0 )
945 : {
946 9402 : mono = 0;
947 9402 : move16();
948 : }
949 : }
950 22744 : FOR( j = 0; j < ndec; j++ )
951 : {
952 19632 : FOR( k = 0; k < ( ndm - 1 ); k++ )
953 : {
954 3232 : if ( hMdDec->spar_md.band_coeffs[b].C_re_fx[j][k] != 0 )
955 : {
956 683 : mono = 0;
957 683 : move16();
958 : }
959 : }
960 : }
961 22744 : FOR( j = 0; j < ndec; j++ )
962 : {
963 16400 : if ( hMdDec->spar_md.band_coeffs[b].P_re_fx[j] != 0 )
964 : {
965 15074 : mono = 0;
966 15074 : move16();
967 : }
968 : }
969 : }
970 :
971 793 : return mono;
972 : }
973 :
974 :
975 : /*-----------------------------------------------------------------------------------------*
976 : * Function ivas_spar_smooth_md_dtx()
977 : *
978 : * Smooth MD during no data frame during DTX
979 : *-----------------------------------------------------------------------------------------*/
980 :
981 704 : void ivas_spar_smooth_md_dtx_fx(
982 : ivas_spar_md_dec_state_t *hMdDec, /* i/o: SPAR MD decoder handle */
983 : const Word16 num_bands_out, /* i : number of output bands Q0*/
984 : const Word16 num_md_sub_frames /* i : number of metadata subframes Q0*/
985 : )
986 : {
987 : Word16 j, k, b, dmx_ch;
988 : Word16 ramp_fx;
989 : Word32 tar_fx, prev_fx, new_val_fx;
990 :
991 : /* ramp = (float)hMdDec->dtx_md_smoothing_cntr / IVAS_DEFAULT_DTX_CNG_RAMP; */
992 704 : ramp_fx = i_mult_sat( hMdDec->dtx_md_smoothing_cntr, 4096 /* 1 / IVAS_DEFAULT_DTX_CNG_RAMP in Q15 */ ); /* Q15 */
993 :
994 8616 : FOR( b = 0; b < num_bands_out; b++ )
995 : {
996 7912 : dmx_ch = hMdDec->spar_md_cfg.num_dmx_chans_per_band[b];
997 7912 : move16();
998 :
999 31648 : FOR( j = 1; j < FOA_CHANNELS; j++ )
1000 : {
1001 87204 : FOR( k = dmx_ch; k < FOA_CHANNELS; k++ )
1002 : {
1003 63468 : prev_fx = hMdDec->spar_coeffs_prev.P_re_fx[j][k][b]; /* Q22 */
1004 63468 : move32();
1005 63468 : tar_fx = hMdDec->spar_coeffs_tar.P_re_fx[j][k][b]; /* Q22 */
1006 63468 : move32();
1007 63468 : new_val_fx = L_add( prev_fx, Mpy_32_16_1( L_sub( tar_fx, prev_fx ), ramp_fx ) ); /* Q22 + Q15 - Q15 = Q22*/
1008 63468 : hMdDec->spar_coeffs.P_re_fx[j][k][b] = new_val_fx; /* Q22 */
1009 63468 : move32();
1010 : }
1011 : }
1012 :
1013 39560 : FOR( j = 0; j < FOA_CHANNELS; j++ )
1014 : {
1015 73616 : FOR( k = 0; k < dmx_ch; k++ )
1016 : {
1017 41968 : prev_fx = hMdDec->spar_coeffs_prev.C_re_fx[j][k][b]; /* Q22 */
1018 41968 : move32();
1019 41968 : tar_fx = hMdDec->spar_coeffs_tar.C_re_fx[j][k][b]; /* Q22 */
1020 41968 : move32();
1021 41968 : new_val_fx = L_add( prev_fx, Mpy_32_16_1( L_sub( tar_fx, prev_fx ), ramp_fx ) ); /* Q22 + Q15 - Q15 = Q22*/
1022 41968 : hMdDec->spar_coeffs.C_re_fx[j][k][b] = new_val_fx; /* Q22 */
1023 41968 : move32();
1024 : }
1025 : }
1026 : }
1027 :
1028 : /* expand MD to all time slots */
1029 2816 : FOR( Word16 i_ts = 1; i_ts < num_md_sub_frames; i_ts++ )
1030 : {
1031 25848 : FOR( b = 0; b < num_bands_out; b++ )
1032 : {
1033 23736 : dmx_ch = hMdDec->spar_md_cfg.num_dmx_chans_per_band[b]; /*Q0*/
1034 23736 : move16();
1035 :
1036 94944 : FOR( j = 1; j < FOA_CHANNELS; j++ )
1037 : {
1038 261612 : FOR( k = dmx_ch; k < FOA_CHANNELS; k++ )
1039 : {
1040 190404 : 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 */
1041 190404 : move32();
1042 : }
1043 : }
1044 :
1045 118680 : FOR( j = 0; j < FOA_CHANNELS; j++ )
1046 : {
1047 220848 : FOR( k = 0; k < dmx_ch; k++ )
1048 : {
1049 125904 : 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 */
1050 125904 : move32();
1051 : }
1052 : }
1053 : }
1054 : }
1055 :
1056 704 : hMdDec->dtx_md_smoothing_cntr = s_min( add( hMdDec->dtx_md_smoothing_cntr, 1 ), IVAS_DEFAULT_DTX_CNG_RAMP );
1057 704 : move16();
1058 :
1059 704 : return;
1060 : }
1061 :
1062 :
1063 : /*-----------------------------------------------------------------------------------------*
1064 : * Function ivas_spar_setup_md_smoothing()
1065 : *
1066 : * Set up smoothing of SPAR MD when SID update frame is received
1067 : *-----------------------------------------------------------------------------------------*/
1068 :
1069 46 : void ivas_spar_setup_md_smoothing_fx(
1070 : ivas_spar_md_dec_state_t *hMdDec, /* i/o: SPAR MD decoder handle */
1071 : const Word16 num_bands_out, /* i : number of output bands Q0*/
1072 : const Word16 num_md_sub_frames /* i : number of metadata subframes Q0*/
1073 : )
1074 : {
1075 : /* copy the coeffs */
1076 : Word16 num_channels, i, j, k;
1077 :
1078 46 : num_channels = hMdDec->spar_md_cfg.num_umx_chs; /*Q0*/
1079 46 : move16();
1080 :
1081 230 : FOR( i = 0; i < num_channels; i++ )
1082 : {
1083 920 : FOR( j = 0; j < num_channels; j++ )
1084 : {
1085 9568 : FOR( k = 0; k < IVAS_MAX_NUM_BANDS; k++ )
1086 : {
1087 8832 : hMdDec->spar_coeffs_prev.C_re_fx[i][j][k] = hMdDec->spar_coeffs_tar.C_re_fx[i][j][k]; /* Q22 */
1088 8832 : move32();
1089 : }
1090 : }
1091 : }
1092 :
1093 230 : FOR( i = 0; i < num_channels; i++ )
1094 : {
1095 920 : FOR( j = 0; j < num_channels; j++ )
1096 : {
1097 9568 : FOR( k = 0; k < IVAS_MAX_NUM_BANDS; k++ )
1098 : {
1099 8832 : hMdDec->spar_coeffs_prev.P_re_fx[i][j][k] = hMdDec->spar_coeffs_tar.P_re_fx[i][j][k]; /* Q22 */
1100 8832 : move32();
1101 : }
1102 : }
1103 : }
1104 :
1105 230 : FOR( i = 0; i < num_channels; i++ )
1106 : {
1107 920 : FOR( j = 0; j < num_channels; j++ )
1108 : {
1109 9568 : FOR( k = 0; k < IVAS_MAX_NUM_BANDS; k++ )
1110 : {
1111 8832 : hMdDec->spar_coeffs_tar.C_re_fx[i][j][k] = hMdDec->spar_coeffs.C_re_fx[i][j][k]; /* Q22 */
1112 8832 : move32();
1113 : }
1114 : }
1115 : }
1116 :
1117 230 : FOR( i = 0; i < num_channels; i++ )
1118 : {
1119 920 : FOR( j = 0; j < num_channels; j++ )
1120 : {
1121 9568 : FOR( k = 0; k < IVAS_MAX_NUM_BANDS; k++ )
1122 : {
1123 8832 : hMdDec->spar_coeffs_tar.P_re_fx[i][j][k] = hMdDec->spar_coeffs.P_re_fx[i][j][k]; /* Q22 */
1124 8832 : move32();
1125 : }
1126 : }
1127 : }
1128 :
1129 46 : ivas_spar_smooth_md_dtx_fx( hMdDec, num_bands_out, num_md_sub_frames );
1130 :
1131 46 : return;
1132 : }
1133 :
1134 :
1135 : /*-----------------------------------------------------------------------------------------*
1136 : * Function ivas_spar_update_md_hist()
1137 : *
1138 : * Update previous and target MD
1139 : *-----------------------------------------------------------------------------------------*/
1140 :
1141 148137 : void ivas_spar_update_md_hist_fx(
1142 : ivas_spar_md_dec_state_t *hMdDec /* i/o: SPAR MD decoder handle */
1143 : )
1144 : {
1145 : Word16 num_channels, i, j, k;
1146 :
1147 148137 : num_channels = hMdDec->spar_md_cfg.num_umx_chs; /*Q0*/
1148 148137 : move16();
1149 :
1150 838185 : FOR( i = 0; i < num_channels; i++ )
1151 : {
1152 4380428 : FOR( j = 0; j < num_channels; j++ )
1153 : {
1154 47974940 : FOR( k = 0; k < IVAS_MAX_NUM_BANDS; k++ )
1155 : {
1156 44284560 : hMdDec->spar_coeffs_prev.C_re_fx[i][j][k] = hMdDec->spar_coeffs.C_re_fx[i][j][k]; /* Q22 */
1157 44284560 : move32();
1158 : }
1159 : }
1160 : }
1161 :
1162 838185 : FOR( i = 0; i < num_channels; i++ )
1163 : {
1164 4380428 : FOR( j = 0; j < num_channels; j++ )
1165 : {
1166 47974940 : FOR( k = 0; k < IVAS_MAX_NUM_BANDS; k++ )
1167 : {
1168 44284560 : hMdDec->spar_coeffs_prev.P_re_fx[i][j][k] = hMdDec->spar_coeffs.P_re_fx[i][j][k]; /* Q22 */
1169 44284560 : move32();
1170 : }
1171 : }
1172 : }
1173 :
1174 838185 : FOR( i = 0; i < num_channels; i++ )
1175 : {
1176 4380428 : FOR( j = 0; j < num_channels; j++ )
1177 : {
1178 47974940 : FOR( k = 0; k < IVAS_MAX_NUM_BANDS; k++ )
1179 : {
1180 44284560 : hMdDec->spar_coeffs_tar.C_re_fx[i][j][k] = hMdDec->spar_coeffs.C_re_fx[i][j][k]; /* Q22 */
1181 44284560 : move32();
1182 : }
1183 : }
1184 : }
1185 :
1186 838185 : FOR( i = 0; i < num_channels; i++ )
1187 : {
1188 4380428 : FOR( j = 0; j < num_channels; j++ )
1189 : {
1190 47974940 : FOR( k = 0; k < IVAS_MAX_NUM_BANDS; k++ )
1191 : {
1192 44284560 : hMdDec->spar_coeffs_tar.P_re_fx[i][j][k] = hMdDec->spar_coeffs.P_re_fx[i][j][k]; /* Q22 */
1193 44284560 : move32();
1194 : }
1195 : }
1196 : }
1197 :
1198 148137 : return;
1199 : }
1200 :
1201 : /*-----------------------------------------------------------------------------------------*
1202 : * Function ivas_get_spar_matrices()
1203 : *
1204 : * Get SPAR matrices
1205 : *-----------------------------------------------------------------------------------------*/
1206 :
1207 148183 : static void ivas_get_spar_matrices_fx(
1208 : ivas_spar_md_dec_state_t *hMdDec,
1209 : const Word16 num_bands_out, /*Q0*/
1210 : const Word16 n_ts, /*Q0*/
1211 : const Word16 bw, /*Q0*/
1212 : const Word16 dtx_vad, /*Q0*/
1213 : const Word16 nB, /*Q0*/
1214 : const Word16 numch_out, /*Q0*/
1215 : const Word16 active_w_vlbr, /*Q0*/
1216 : const Word16 dyn_active_w_flag /*Q0*/ )
1217 : {
1218 : Word16 num_bands, dmx_ch, split_band;
1219 : Word16 i, j, k, m, b, i_ts, active_w;
1220 : const Word16 *order;
1221 : Word32 active_w_dm_fac_fx, re_fx, re_fx1;
1222 :
1223 148183 : num_bands = num_bands_out;
1224 148183 : move16();
1225 148183 : order = remix_order_set[hMdDec->spar_md_cfg.remix_unmix_order];
1226 :
1227 148183 : split_band = SPAR_DIRAC_SPLIT_START_BAND;
1228 148183 : move16();
1229 :
1230 : // Dead code as SPAR_DIRAC_SPLIT_START_BAND = 8 and IVAS_MAX_NUM_BANDS = 12
1231 148183 : IF( GE_16( split_band, IVAS_MAX_NUM_BANDS ) )
1232 : {
1233 : /*store previous 4x4 parameters for linear interpolation to current*/
1234 :
1235 0 : FOR( i = 0; i < numch_out; i++ )
1236 : {
1237 0 : FOR( j = 0; j < numch_out; j++ )
1238 : {
1239 0 : FOR( b = 0; b < num_bands; b++ )
1240 : {
1241 0 : hMdDec->mixer_mat_prev_fx[0][i][j][b] = hMdDec->mixer_mat_fx[i][j][b]; /*hMdDec->Q_mixer_mat*/
1242 0 : move32();
1243 : }
1244 : }
1245 : }
1246 : }
1247 :
1248 148183 : if ( EQ_16( bw, IVAS_RED_BAND_FACT ) )
1249 : {
1250 0 : num_bands = shr( num_bands, 1 );
1251 : }
1252 :
1253 148183 : test();
1254 148183 : active_w = EQ_16( dyn_active_w_flag, 1 ) || EQ_16( hMdDec->spar_md_cfg.active_w, 1 );
1255 :
1256 148183 : IF( dtx_vad == 0 )
1257 : {
1258 501 : active_w_dm_fac_fx = IVAS_ACTIVEW_DM_F_SCALE_DTX_FX;
1259 501 : move32();
1260 : }
1261 147682 : ELSE IF( EQ_16( active_w_vlbr, 1 ) )
1262 : {
1263 11258 : active_w_dm_fac_fx = IVAS_ACTIVEW_DM_F_SCALE_VLBR_FX;
1264 11258 : move32();
1265 : }
1266 : ELSE
1267 : {
1268 136424 : active_w_dm_fac_fx = IVAS_ACTIVEW_DM_F_SCALE_FX;
1269 136424 : move32();
1270 : }
1271 :
1272 677549 : FOR( i_ts = 0; i_ts < n_ts; i_ts++ )
1273 : {
1274 2842820 : FOR( i = 0; i < numch_out; i++ )
1275 : {
1276 13219582 : FOR( j = 0; j < numch_out; j++ )
1277 : {
1278 :
1279 10906128 : set32_fx( &hMdDec->spar_coeffs.C_re_fx[i][j][( i_ts * IVAS_MAX_NUM_BANDS )], 0, IVAS_MAX_NUM_BANDS );
1280 10906128 : set32_fx( &hMdDec->spar_coeffs.P_re_fx[i][j][( i_ts * IVAS_MAX_NUM_BANDS )], 0, IVAS_MAX_NUM_BANDS );
1281 : }
1282 : }
1283 529366 : num_bands = s_min( num_bands, nB );
1284 529366 : move16();
1285 :
1286 6788418 : FOR( b = 0; b < num_bands; b++ )
1287 : {
1288 : Word32 tmp_C1_re_fx[IVAS_SPAR_MAX_CH][IVAS_SPAR_MAX_CH];
1289 : Word32 tmp_C2_re_fx[IVAS_SPAR_MAX_CH][IVAS_SPAR_MAX_CH];
1290 : Word32 tmp_dm_re_fx[IVAS_SPAR_MAX_CH][IVAS_SPAR_MAX_CH];
1291 6259052 : dmx_ch = hMdDec->spar_md_cfg.num_dmx_chans_per_band[( bw * b )]; /*Q0*/
1292 6259052 : move16();
1293 :
1294 33631140 : FOR( j = 0; j < numch_out; j++ )
1295 : {
1296 27372088 : set_zero_fx( tmp_C1_re_fx[j], numch_out );
1297 27372088 : set_zero_fx( tmp_C2_re_fx[j], numch_out );
1298 27372088 : set_zero_fx( tmp_dm_re_fx[j], numch_out );
1299 :
1300 27372088 : tmp_C1_re_fx[j][j] = ONE_IN_Q22; /*Q22*/
1301 27372088 : tmp_C2_re_fx[j][j] = ONE_IN_Q22; /*Q22*/
1302 27372088 : tmp_dm_re_fx[j][j] = ONE_IN_Q22; /*Q22*/
1303 27372088 : move32();
1304 27372088 : move32();
1305 27372088 : move32();
1306 : }
1307 :
1308 27372088 : FOR( j = 1; j < numch_out; j++ )
1309 : {
1310 21113036 : 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
1311 21113036 : move32();
1312 : }
1313 :
1314 6259052 : IF( EQ_16( active_w, 1 ) )
1315 : {
1316 5634096 : FOR( j = 1; j < numch_out; j++ )
1317 : {
1318 :
1319 4225572 : 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
1320 4225572 : move32();
1321 : }
1322 1408524 : re_fx1 = Madd_32_32( ONE_IN_Q13, tmp_C2_re_fx[0][1], tmp_C1_re_fx[1][0] ); // Q13+Q13
1323 :
1324 1408524 : re_fx1 = Madd_32_32( re_fx1, tmp_C2_re_fx[0][2], tmp_C1_re_fx[2][0] ); // Q13+Q13
1325 :
1326 1408524 : tmp_dm_re_fx[0][0] = L_shl( Madd_32_32( re_fx1, tmp_C2_re_fx[0][3], tmp_C1_re_fx[3][0] ), Q9 ); // (Q13+Q13) << Q9 = Q22;
1327 : //
1328 1408524 : move32();
1329 :
1330 1408524 : IF( EQ_16( dyn_active_w_flag, 1 ) )
1331 : {
1332 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
1333 0 : move32();
1334 : }
1335 :
1336 1408524 : tmp_dm_re_fx[0][1] = tmp_C2_re_fx[0][1]; /*Q22*/
1337 1408524 : move32();
1338 :
1339 1408524 : tmp_dm_re_fx[0][2] = tmp_C2_re_fx[0][2]; /*Q22*/
1340 1408524 : move32();
1341 :
1342 1408524 : tmp_dm_re_fx[0][3] = tmp_C2_re_fx[0][3]; /*Q22*/
1343 1408524 : move32();
1344 :
1345 1408524 : tmp_dm_re_fx[1][0] = tmp_C1_re_fx[1][0]; /*Q22*/
1346 1408524 : move32();
1347 :
1348 1408524 : tmp_dm_re_fx[2][0] = tmp_C1_re_fx[2][0]; /*Q22*/
1349 1408524 : move32();
1350 :
1351 1408524 : tmp_dm_re_fx[3][0] = tmp_C1_re_fx[3][0]; /*Q22*/
1352 1408524 : move32();
1353 :
1354 1408524 : IF( NE_16( hMdDec->spar_md_cfg.remix_unmix_order, 3 ) )
1355 : {
1356 1408524 : ivas_mat_col_rearrange_fx( tmp_dm_re_fx, order, i_ts, hMdDec->mixer_mat_fx, b, numch_out );
1357 : }
1358 : }
1359 : ELSE
1360 : {
1361 4850528 : IF( NE_16( hMdDec->spar_md_cfg.remix_unmix_order, 3 ) )
1362 : {
1363 4850528 : ivas_mat_col_rearrange_fx( tmp_C1_re_fx, order, i_ts, hMdDec->mixer_mat_fx, b, numch_out );
1364 : }
1365 : }
1366 6259052 : hMdDec->Q_mixer_mat = Q30;
1367 6259052 : move16();
1368 6259052 : IF( dmx_ch > 0 )
1369 : {
1370 : Word32 tmpC_re_fx[IVAS_SPAR_MAX_CH][IVAS_SPAR_MAX_CH];
1371 : Word32 tmpP_re_fx[IVAS_SPAR_MAX_CH][IVAS_SPAR_MAX_CH];
1372 :
1373 33631140 : FOR( j = 0; j < numch_out; j++ )
1374 : {
1375 27372088 : set32_fx( tmpC_re_fx[j], 0, numch_out );
1376 27372088 : set32_fx( tmpP_re_fx[j], 0, numch_out );
1377 : }
1378 :
1379 33631140 : FOR( j = 0; j < numch_out; j++ )
1380 : {
1381 27372088 : set32_fx( tmpC_re_fx[j], 0, numch_out );
1382 : }
1383 :
1384 21879320 : FOR( k = 0; k < dmx_ch; k++ )
1385 : {
1386 15620268 : tmpC_re_fx[k][k] = ONE_IN_Q22; /*Q22*/
1387 15620268 : move32();
1388 : }
1389 :
1390 18010872 : FOR( j = dmx_ch; j < numch_out; j++ )
1391 : {
1392 25451524 : FOR( k = 1; k < dmx_ch; k++ )
1393 : {
1394 13699704 : 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
1395 13699704 : move32();
1396 : }
1397 : }
1398 :
1399 18010872 : FOR( j = dmx_ch; j < numch_out; j++ )
1400 : {
1401 43695800 : FOR( k = dmx_ch; k < numch_out; k++ )
1402 : {
1403 31943980 : IF( EQ_16( j, k ) )
1404 : {
1405 11751820 : 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
1406 11751820 : move32();
1407 : }
1408 : ELSE
1409 : {
1410 20192160 : tmpP_re_fx[j][k] = 0;
1411 20192160 : move32();
1412 : }
1413 : }
1414 : }
1415 :
1416 :
1417 27372088 : FOR( j = 1; j < numch_out; j++ )
1418 : {
1419 66756720 : FOR( k = dmx_ch; k < numch_out; k++ )
1420 : {
1421 313089916 : FOR( m = 0; m < numch_out; m++ )
1422 : {
1423 267446232 : 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
1424 267446232 : re_fx = L_shl( re_fx, 1 ); /*Q22*/
1425 267446232 : 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*/
1426 267446232 : move32();
1427 : }
1428 : }
1429 : }
1430 :
1431 :
1432 33631140 : FOR( j = 0; j < numch_out; j++ )
1433 : {
1434 99196680 : FOR( k = 0; k < dmx_ch; k++ )
1435 : {
1436 438049936 : FOR( m = 0; m < numch_out; m++ )
1437 : {
1438 366225344 : 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
1439 366225344 : re_fx = L_shl( re_fx, 1 ); /*Q22*/
1440 366225344 : 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*/
1441 366225344 : move32();
1442 : }
1443 : }
1444 : }
1445 :
1446 12518104 : hMdDec->spar_coeffs.C_re_fx[0][0][( ( b * bw ) + ( i_ts * IVAS_MAX_NUM_BANDS ) )] =
1447 6259052 : L_max( 0, hMdDec->spar_coeffs.C_re_fx[0][0][( ( b * bw ) + ( i_ts * IVAS_MAX_NUM_BANDS ) )] ); /*Q22*/
1448 6259052 : move32();
1449 : }
1450 : }
1451 :
1452 : /* band mixing */
1453 529366 : IF( EQ_16( bw, IVAS_RED_BAND_FACT ) )
1454 : {
1455 0 : FOR( b = 0; b < num_bands_out; b = ( b + bw ) )
1456 : {
1457 0 : dmx_ch = hMdDec->spar_md_cfg.num_dmx_chans_per_band[b];
1458 0 : move16();
1459 0 : FOR( j = 0; j < numch_out; j++ )
1460 : {
1461 0 : FOR( k = dmx_ch; k < numch_out; k++ )
1462 : {
1463 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*/
1464 0 : move32();
1465 : }
1466 : }
1467 :
1468 0 : FOR( j = 0; j < numch_out; j++ )
1469 : {
1470 0 : FOR( k = 0; k < dmx_ch; k++ )
1471 : {
1472 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*/
1473 0 : move32();
1474 : }
1475 : }
1476 : }
1477 : }
1478 : }
1479 :
1480 148183 : return;
1481 : }
1482 :
1483 : /*-----------------------------------------------------------------------------------------*
1484 : * Function ivas_mat_col_rearrange()
1485 : *
1486 : * reorders the input matrix based on order
1487 : *-----------------------------------------------------------------------------------------*/
1488 :
1489 6259052 : static void ivas_mat_col_rearrange_fx(
1490 : Word32 in_re[IVAS_SPAR_MAX_CH][IVAS_SPAR_MAX_CH], /*Q22*/
1491 : const Word16 order[IVAS_SPAR_MAX_CH], /*Q0*/
1492 : const Word16 i_ts, /*Q0*/
1493 : Word32 ***mixer_mat, /*Q30*/
1494 : const Word16 bands, /*Q0*/
1495 : const Word16 num_ch /*Q0*/ )
1496 : {
1497 : Word16 i, j, idx;
1498 :
1499 33631140 : FOR( i = 0; i < num_ch; i++ )
1500 : {
1501 27372088 : idx = order[i]; /*Q0*/
1502 27372088 : move16();
1503 :
1504 156592184 : FOR( j = 0; j < num_ch; j++ )
1505 : {
1506 129220096 : mixer_mat[j][i][( bands + ( i_ts * IVAS_MAX_NUM_BANDS ) )] = L_shl_sat( in_re[j][idx], Q8 ); /*Q30*/
1507 129220096 : move32();
1508 : }
1509 : }
1510 :
1511 6259052 : return;
1512 : }
1513 :
1514 : /*-----------------------------------------------------------------------------------------*
1515 : * Function ivas_spar_dec_gen_umx_mat()
1516 : *
1517 : * generates upmix matrix
1518 : *-----------------------------------------------------------------------------------------*/
1519 188962 : void ivas_spar_dec_gen_umx_mat_fx(
1520 : ivas_spar_md_dec_state_t *hMdDec, /* i/o: SPAR MD decoder handle */
1521 : const Word16 nchan_transport, /* i : number of transport channels Q0*/
1522 : const Word16 num_bands_out, /* i : number of output bands Q0*/
1523 : const Word16 bfi, /* i : bad frame indicator Q0*/
1524 : const Word16 num_md_sub_frames /*Q0*/ )
1525 : {
1526 : Word16 i, j, b, i_ts, num_out_ch;
1527 188962 : num_out_ch = hMdDec->spar_md_cfg.num_umx_chs;
1528 188962 : move16();
1529 868874 : FOR( i_ts = 0; i_ts < num_md_sub_frames; i_ts++ )
1530 : {
1531 679912 : IF( EQ_16( hMdDec->td_decorr_flag, 1 ) )
1532 : {
1533 3584964 : FOR( i = 0; i < num_out_ch; i++ )
1534 : {
1535 9863292 : FOR( j = 0; j < nchan_transport; j++ )
1536 : {
1537 89483520 : FOR( b = 0; b < num_bands_out; b++ )
1538 : {
1539 82525280 : 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*/
1540 82525280 : move32();
1541 : }
1542 : }
1543 : }
1544 3584964 : FOR( i = 0; i < num_out_ch; i++ )
1545 : {
1546 9149172 : FOR( j = nchan_transport; j < num_out_ch; j++ )
1547 : {
1548 80203352 : FOR( b = 0; b < num_bands_out; b++ )
1549 : {
1550 73959232 : 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*/
1551 73959232 : move32();
1552 : }
1553 : }
1554 : }
1555 : }
1556 : ELSE
1557 : {
1558 0 : FOR( i = 0; i < num_out_ch; i++ )
1559 : {
1560 0 : FOR( j = 0; j < nchan_transport; j++ )
1561 : {
1562 0 : FOR( b = 0; b < num_bands_out; b++ )
1563 : {
1564 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*/
1565 0 : move32();
1566 : }
1567 : }
1568 : }
1569 : }
1570 : }
1571 188962 : hMdDec->Q_mixer_mat = Q30;
1572 188962 : move16();
1573 188962 : ivas_spar_dec_compute_ramp_down_post_matrix_fx( hMdDec, num_bands_out, bfi, num_md_sub_frames );
1574 188962 : return;
1575 : }
1576 :
1577 11759 : static void ivas_spar_md_band_upmix(
1578 : ivas_band_coeffs_t *band_coeffs,
1579 : Word16 *nB, /*Q0*/
1580 : Word16 *bands_bw, /*Q0*/
1581 : Word16 *valid_bands, /*Q0*/
1582 : Word16 bw_final, /*Q0*/
1583 : Word16 ndec, /*Q0*/
1584 : Word16 ndm /*Q0*/ )
1585 : {
1586 : Word16 i, ii, jj, b, idx, bw_fact;
1587 :
1588 11759 : bw_fact = idiv1616( *bands_bw, bw_final ); /*Q0*/
1589 57793 : FOR( i = sub( *nB, 1 ); i >= 0; i-- )
1590 : {
1591 :
1592 140106 : FOR( b = sub( bw_fact, 1 ); b >= 0; b-- )
1593 : {
1594 94072 : idx = add( i_mult( i, bw_fact ), b ); /*Q0*/
1595 376288 : FOR( ii = 0; ii < ( ( ndec + ndm ) - 1 ); ii++ )
1596 : {
1597 282216 : band_coeffs[idx].pred_re_fx[ii] = band_coeffs[i].pred_re_fx[ii]; /*Q22*/
1598 282216 : move32();
1599 : }
1600 373160 : FOR( ii = 0; ii < ndec; ii++ )
1601 : {
1602 285344 : FOR( jj = 0; jj < sub( ndm, 1 ); jj++ )
1603 : {
1604 6256 : band_coeffs[idx].C_re_fx[ii][jj] = band_coeffs[i].C_re_fx[ii][jj]; /*Q22*/
1605 6256 : move32();
1606 : }
1607 : }
1608 373160 : FOR( jj = 0; jj < ndec; jj++ )
1609 : {
1610 279088 : band_coeffs[idx].P_re_fx[jj] = band_coeffs[i].P_re_fx[jj]; /*Q22*/
1611 279088 : move32();
1612 : }
1613 94072 : valid_bands[idx] = valid_bands[i]; /*Q0*/
1614 94072 : move16();
1615 : }
1616 : }
1617 11759 : *nB = idiv1616( i_mult( ( *nB ), ( *bands_bw ) ), bw_final ); /*Q0*/
1618 11759 : move16();
1619 11759 : *bands_bw = bw_final; /*Q0*/
1620 11759 : move16();
1621 :
1622 11759 : return;
1623 : }
1624 :
1625 : /*-----------------------------------------------------------------------------------------*
1626 : * Function ivas_spar_dec_parse_md_bs()
1627 : *
1628 : * Parse SPAR MD bitstream
1629 : *-----------------------------------------------------------------------------------------*/
1630 :
1631 148183 : static void ivas_spar_dec_parse_md_bs_fx(
1632 : ivas_spar_md_dec_state_t *hMdDec,
1633 : Decoder_State *st0,
1634 : Word16 *nB, /*Q0*/
1635 : Word16 *bands_bw, /*Q0*/
1636 : Word16 *dtx_vad, /*Q0*/
1637 : const Word32 ivas_total_brate, /*Q0*/
1638 : const Word16 sba_inactive_mode /*Q0*/ )
1639 : {
1640 : Word16 i, j, k, num_bands;
1641 : Word16 ii, jj, ndec, ndm;
1642 : UWord16 qsi;
1643 : ivas_quant_strat_t qs;
1644 : Word16 strat, no_ec;
1645 : Word16 do_diff[IVAS_MAX_NUM_BANDS];
1646 : Word32 quant_fx[IVAS_SPAR_MAX_C_COEFF];
1647 : Word16 do_repeat[IVAS_MAX_NUM_BANDS];
1648 148183 : *dtx_vad = 1;
1649 148183 : move16();
1650 148183 : *bands_bw = 1;
1651 148183 : move16();
1652 148183 : qsi = 0;
1653 148183 : move16();
1654 148183 : num_bands = hMdDec->spar_md.num_bands;
1655 148183 : move16();
1656 :
1657 148183 : IF( GT_32( ivas_total_brate, IVAS_SID_5k2 ) )
1658 : {
1659 148070 : IF( hMdDec->spar_md_cfg.quant_strat_bits > 0 )
1660 : {
1661 148070 : IF( GE_32( ivas_total_brate, BRATE_SPAR_Q_STRAT ) )
1662 : {
1663 : /*only one bit written for quantization strategy to indicate either a fixed quantization strategy or dtx_vad==0 */
1664 39194 : qsi = get_next_indice_fx( st0, 1 ); /*Q0*/
1665 39194 : if ( EQ_32( qsi, 1 ) )
1666 : {
1667 0 : *dtx_vad = 0;
1668 0 : move16();
1669 : }
1670 : }
1671 : ELSE
1672 : {
1673 108876 : IF( EQ_16( sba_inactive_mode, 1 ) )
1674 : {
1675 388 : *dtx_vad = 0;
1676 388 : move16();
1677 388 : qsi = add( hMdDec->spar_md_cfg.quant_strat_bits, 1 );
1678 : }
1679 : ELSE
1680 : {
1681 108488 : qsi = get_next_indice_fx( st0, hMdDec->spar_md_cfg.quant_strat_bits );
1682 : }
1683 : }
1684 : }
1685 : ELSE
1686 : {
1687 0 : qsi = 0;
1688 0 : move16();
1689 : }
1690 : }
1691 : ELSE
1692 : {
1693 113 : *dtx_vad = 0;
1694 113 : move16();
1695 : }
1696 :
1697 148183 : hMdDec->dtx_vad = *dtx_vad; /*Q0*/
1698 148183 : move16();
1699 :
1700 148183 : IF( *dtx_vad == 0 )
1701 : {
1702 501 : *nB = SPAR_DTX_BANDS;
1703 501 : move16();
1704 501 : *bands_bw = shr( num_bands, SPAR_DTX_BANDS_LOG2 ); /*Q0*/
1705 501 : move16();
1706 :
1707 1503 : FOR( i = 0; i < *nB; i++ )
1708 : {
1709 11022 : FOR( j = 0; j < IVAS_SPAR_MAX_CH - 1; j++ )
1710 : {
1711 10020 : hMdDec->spar_md.band_coeffs[i].pred_re_fx[j] = 0;
1712 10020 : move32();
1713 10020 : hMdDec->spar_md.band_coeffs[i].P_re_fx[j] = 0;
1714 10020 : move32();
1715 : }
1716 1002 : hMdDec->valid_bands[i] = 1;
1717 1002 : move16();
1718 : }
1719 :
1720 4509 : FOR( i = 0; i < num_bands; i++ )
1721 : {
1722 32064 : FOR( j = 0; j < ( IVAS_SPAR_MAX_CH - IVAS_SPAR_MAX_DMX_CHS ); j++ )
1723 : {
1724 112224 : FOR( k = 0; k < ( IVAS_SPAR_MAX_DMX_CHS - 1 ); k++ )
1725 : {
1726 84168 : hMdDec->spar_md.band_coeffs[i].C_re_fx[j][k] = 0;
1727 84168 : move32();
1728 : }
1729 : }
1730 : }
1731 :
1732 501 : 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 );
1733 :
1734 501 : IF( NE_16( *bands_bw, 1 ) )
1735 : {
1736 501 : ndec = hMdDec->spar_md_cfg.num_decorr_per_band[0]; /*Q0*/
1737 501 : move16();
1738 501 : ndm = hMdDec->spar_md_cfg.num_dmx_chans_per_band[0]; /*Q0*/
1739 501 : move16();
1740 501 : ivas_spar_md_band_upmix(
1741 : hMdDec->spar_md.band_coeffs,
1742 : nB,
1743 : bands_bw,
1744 501 : hMdDec->valid_bands,
1745 : 1,
1746 : ndec,
1747 : ndm );
1748 : }
1749 :
1750 501 : return;
1751 : }
1752 :
1753 147682 : qs = hMdDec->spar_md_cfg.quant_strat[qsi];
1754 :
1755 147682 : strat = get_next_indice_fx( st0, 3 ); /*Q0*/
1756 :
1757 147682 : no_ec = 0;
1758 147682 : move16();
1759 :
1760 147682 : IF( LT_16( strat, 2 ) )
1761 : {
1762 56666 : *bands_bw = add( strat, 1 );
1763 56666 : move16();
1764 56666 : *nB = idiv1616( num_bands, *bands_bw ); /*Q0*/
1765 56666 : move16();
1766 592090 : FOR( i = 0; i < *nB; i++ )
1767 : {
1768 535424 : do_diff[i] = 0;
1769 535424 : move16();
1770 535424 : do_repeat[i] = 0;
1771 535424 : move16();
1772 : }
1773 : }
1774 91016 : ELSE IF( LT_16( strat, 4 ) )
1775 : {
1776 2825 : *bands_bw = sub( strat, 1 );
1777 2825 : move16();
1778 2825 : *nB = idiv1616( num_bands, *bands_bw ); /*Q0*/
1779 2825 : move16();
1780 25085 : FOR( i = 0; i < *nB; i++ )
1781 : {
1782 22260 : do_diff[i] = 0;
1783 22260 : move16();
1784 22260 : do_repeat[i] = 0;
1785 22260 : move16();
1786 : }
1787 2825 : no_ec = 1;
1788 2825 : move16();
1789 : }
1790 88191 : ELSE IF( LT_32( ivas_total_brate, IVAS_24k4 ) )
1791 : {
1792 10884 : *bands_bw = 2;
1793 10884 : move16();
1794 10884 : *nB = idiv1616( num_bands, *bands_bw ); /*Q0*/
1795 10884 : move16();
1796 :
1797 54420 : FOR( i = 0; i < *nB; i++ )
1798 : {
1799 43536 : do_diff[i] = 0;
1800 43536 : move16();
1801 43536 : do_repeat[i] = extract_l( EQ_16( ( strat % 2 ), ( add( i, 1 ) % 2 ) ) ); /*Q0*/
1802 43536 : move16();
1803 : }
1804 : }
1805 : ELSE
1806 : {
1807 77307 : *bands_bw = 1;
1808 77307 : move16();
1809 77307 : *nB = num_bands;
1810 77307 : move16();
1811 :
1812 695763 : FOR( i = 0; i < *nB; i++ )
1813 : {
1814 618456 : do_diff[i] = extract_l( NE_16( s_and( add( i, 1 ), 3 ), sub( strat, 4 ) ) ); /*Q0*/
1815 618456 : move16();
1816 618456 : do_repeat[i] = 0;
1817 618456 : move16();
1818 : }
1819 77307 : IF( hMdDec->spar_md_cfg.prev_quant_idx >= 0 )
1820 : {
1821 77300 : ivas_map_prior_coeffs_quant( &hMdDec->spar_md_prev, &hMdDec->spar_md_cfg, qsi, *nB );
1822 : }
1823 : }
1824 147682 : hMdDec->spar_md_cfg.prev_quant_idx = qsi;
1825 147682 : move16();
1826 :
1827 147682 : IF( no_ec == 0 )
1828 : {
1829 144857 : ivas_decode_arith_bs( hMdDec, st0, qsi, *nB, *bands_bw, do_diff, strat, ivas_total_brate );
1830 : }
1831 : ELSE
1832 : {
1833 2825 : ivas_decode_huffman_bs( hMdDec, st0, qsi, *nB, *bands_bw );
1834 : }
1835 :
1836 1367358 : FOR( i = 0; i < *nB; i++ )
1837 : {
1838 1219676 : ndec = hMdDec->spar_md_cfg.num_decorr_per_band[( ( *bands_bw ) * i )]; /*Q0*/
1839 1219676 : move16();
1840 1219676 : ndm = hMdDec->spar_md_cfg.num_dmx_chans_per_band[( ( *bands_bw ) * i )]; /*Q0*/
1841 1219676 : move16();
1842 :
1843 1219676 : 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 ) );
1844 :
1845 1219676 : j = 0;
1846 1219676 : move16();
1847 4043836 : FOR( ii = 0; ii < ndec; ii++ )
1848 : {
1849 7456464 : FOR( jj = 0; jj < sub( ndm, 1 ); jj++ )
1850 : {
1851 4632304 : quant_fx[j] = hMdDec->spar_md.band_coeffs[i].C_re_fx[ii][jj]; /*Q22*/
1852 4632304 : move32();
1853 4632304 : j = add( j, 1 );
1854 : }
1855 : }
1856 :
1857 1219676 : 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 ) ) );
1858 :
1859 1219676 : j = 0;
1860 1219676 : move16();
1861 4043836 : FOR( ii = 0; ii < ndec; ii++ )
1862 : {
1863 7456464 : FOR( jj = 0; jj < sub( ndm, 1 ); jj++ )
1864 : {
1865 4632304 : hMdDec->spar_md.band_coeffs[i].C_re_fx[ii][jj] = quant_fx[j]; /*Q22*/
1866 4632304 : move32();
1867 4632304 : j = add( j, 1 );
1868 : }
1869 : }
1870 :
1871 1219676 : 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 ) );
1872 :
1873 : /* Store prior coefficient indices */
1874 6048704 : FOR( j = 0; j < ( ( ndm + ndec ) - 1 ); j++ )
1875 : {
1876 4829028 : hMdDec->spar_md_prev.band_coeffs_idx[i].pred_index_re[j] = hMdDec->spar_md.band_coeffs_idx[i].pred_index_re[j]; /*Q0*/
1877 4829028 : move16();
1878 : }
1879 5851980 : FOR( j = 0; j < ( ndec * ( ndm - 1 ) ); j++ )
1880 : {
1881 4632304 : hMdDec->spar_md_prev.band_coeffs_idx[i].drct_index_re[j] = hMdDec->spar_md.band_coeffs_idx[i].drct_index_re[j]; /*Q0*/
1882 4632304 : move16();
1883 : }
1884 4043836 : FOR( j = 0; j < ndec; j++ )
1885 : {
1886 2824160 : hMdDec->spar_md_prev.band_coeffs_idx[i].decd_index_re[j] = hMdDec->spar_md.band_coeffs_idx[i].decd_index_re[j]; /*Q0*/
1887 2824160 : move16();
1888 : }
1889 1219676 : test();
1890 1219676 : IF( ( do_diff[i] == 0 ) && ( do_repeat[i] == 0 ) )
1891 : {
1892 734066 : hMdDec->valid_bands[i] = s_or( hMdDec->valid_bands[i], 1 );
1893 734066 : move16();
1894 : }
1895 : ELSE
1896 : {
1897 485610 : hMdDec->valid_bands[i] = s_or( hMdDec->valid_bands[i], 0 );
1898 485610 : move16();
1899 : }
1900 : }
1901 :
1902 147682 : ndec = hMdDec->spar_md_cfg.num_decorr_per_band[0];
1903 147682 : move16();
1904 147682 : ndm = hMdDec->spar_md_cfg.num_dmx_chans_per_band[0];
1905 147682 : move16();
1906 147682 : IF( NE_16( *bands_bw, 1 ) )
1907 : {
1908 11258 : ivas_spar_md_band_upmix(
1909 : hMdDec->spar_md.band_coeffs,
1910 : nB,
1911 : bands_bw,
1912 11258 : hMdDec->valid_bands,
1913 : 1,
1914 : ndec,
1915 : ndm );
1916 : }
1917 :
1918 :
1919 147682 : return;
1920 : }
1921 :
1922 :
1923 : /*-----------------------------------------------------------------------------------------*
1924 : * Function ivas_decode_arith_bs()
1925 : *
1926 : * Decode bitstream with arith decoder
1927 : *-----------------------------------------------------------------------------------------*/
1928 :
1929 144857 : static void ivas_decode_arith_bs(
1930 : ivas_spar_md_dec_state_t *hMdDec,
1931 : Decoder_State *st0, /* i/o: decoder state structure - for bitstream handling*/
1932 : const UWord16 qsi, /*Q0*/
1933 : const Word16 nB, /*Q0*/
1934 : const Word16 bands_bw, /*Q0*/
1935 : Word16 *pDo_diff, /*Q0*/
1936 : const Word16 strat, /*Q0*/
1937 : const Word32 ivas_total_brate /*Q0*/ )
1938 : {
1939 : Word16 i, ndm, ndec;
1940 : Word16 j;
1941 : ivas_cell_dim_t pred_cell_dims[IVAS_MAX_NUM_BANDS];
1942 : ivas_cell_dim_t drct_cell_dims[IVAS_MAX_NUM_BANDS];
1943 : ivas_cell_dim_t decd_cell_dims[IVAS_MAX_NUM_BANDS];
1944 : ivas_cell_dim_t decx_cell_dims[IVAS_MAX_NUM_BANDS];
1945 : Word16 symbol_arr_re[IVAS_MAX_INPUT_LEN];
1946 : Word16 symbol_arr_old_re[IVAS_MAX_INPUT_LEN];
1947 : Word16 any_diff;
1948 :
1949 1342273 : FOR( i = 0; i < nB; i++ )
1950 : {
1951 1197416 : ndm = hMdDec->spar_md_cfg.num_dmx_chans_per_band[bands_bw * i];
1952 1197416 : ndec = hMdDec->spar_md_cfg.num_decorr_per_band[bands_bw * i];
1953 1197416 : move16();
1954 1197416 : move16();
1955 1197416 : test();
1956 1197416 : test();
1957 1197416 : test();
1958 1197416 : test();
1959 1197416 : test();
1960 1197416 : 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 ) ) ) )
1961 : {
1962 21768 : pred_cell_dims[i].dim1 = 0;
1963 21768 : pred_cell_dims[i].dim2 = 0;
1964 21768 : drct_cell_dims[i].dim1 = 0;
1965 21768 : drct_cell_dims[i].dim2 = 0;
1966 21768 : decd_cell_dims[i].dim1 = 0;
1967 21768 : decd_cell_dims[i].dim2 = 0;
1968 21768 : decx_cell_dims[i].dim1 = 0;
1969 21768 : decx_cell_dims[i].dim2 = 0;
1970 21768 : move16();
1971 21768 : move16();
1972 21768 : move16();
1973 21768 : move16();
1974 21768 : move16();
1975 21768 : move16();
1976 21768 : move16();
1977 21768 : move16();
1978 : }
1979 : ELSE
1980 : {
1981 1175648 : pred_cell_dims[i].dim1 = add( ndm, sub( ndec, 1 ) ); /*Q0*/
1982 1175648 : move16();
1983 1175648 : IF( hMdDec->spar_hoa_md_flag && hMdDec->spar_hoa_dirac2spar_md_flag )
1984 : {
1985 131388 : IF( GE_16( i, SPAR_DIRAC_SPLIT_START_BAND ) )
1986 : {
1987 43796 : pred_cell_dims[i].dim1 = sub( pred_cell_dims[i].dim1, ( FOA_CHANNELS - 1 ) );
1988 43796 : move16();
1989 : }
1990 : }
1991 1175648 : pred_cell_dims[i].dim2 = 1;
1992 1175648 : drct_cell_dims[i].dim1 = ndec;
1993 1175648 : drct_cell_dims[i].dim2 = sub( ndm, 1 );
1994 1175648 : decd_cell_dims[i].dim1 = ndec;
1995 1175648 : decd_cell_dims[i].dim2 = 1;
1996 1175648 : decx_cell_dims[i].dim1 = shr( imult1616( ndec, sub( ndec, 1 ) ), 1 );
1997 1175648 : decx_cell_dims[i].dim2 = 1;
1998 1175648 : move16();
1999 1175648 : move16();
2000 1175648 : move16();
2001 1175648 : move16();
2002 1175648 : move16();
2003 1175648 : move16();
2004 1175648 : move16();
2005 : }
2006 : }
2007 :
2008 144857 : any_diff = 0;
2009 144857 : move16();
2010 743236 : FOR( i = 0; i < nB; i++ )
2011 : {
2012 675686 : IF( pDo_diff[i] != 0 )
2013 : {
2014 77307 : any_diff = 1;
2015 77307 : move16();
2016 77307 : break;
2017 : }
2018 : }
2019 :
2020 144857 : IF( EQ_16( any_diff, 1 ) )
2021 : {
2022 77307 : IF( hMdDec->spar_hoa_md_flag && hMdDec->spar_hoa_dirac2spar_md_flag )
2023 : {
2024 0 : FOR( i = 0; i < nB; i++ )
2025 : {
2026 0 : IF( GE_16( i, SPAR_DIRAC_SPLIT_START_BAND ) )
2027 : {
2028 0 : FOR( j = 0; j < pred_cell_dims[i].dim1; j++ )
2029 : {
2030 0 : hMdDec->spar_md_prev.band_coeffs_idx_mapped[i].pred_index_re[j] =
2031 0 : hMdDec->spar_md_prev.band_coeffs_idx_mapped[i].pred_index_re[j + ( FOA_CHANNELS - 1 )]; /*Q0*/
2032 0 : move16();
2033 : }
2034 : }
2035 : }
2036 : }
2037 :
2038 77307 : 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 );
2039 : }
2040 :
2041 144857 : ivas_arith_decode_cmplx_cell_array( &hMdDec->arith_coeffs.pred_arith_re[qsi], &hMdDec->arith_coeffs.pred_arith_re_diff[qsi],
2042 : st0, pred_cell_dims, pDo_diff, nB, symbol_arr_re, symbol_arr_old_re );
2043 :
2044 144857 : ivas_fill_band_coeffs_idx( hMdDec->spar_md.band_coeffs_idx, nB, symbol_arr_re, pred_cell_dims, PRED_COEFF );
2045 :
2046 144857 : IF( hMdDec->spar_hoa_md_flag && hMdDec->spar_hoa_dirac2spar_md_flag )
2047 : {
2048 142337 : FOR( i = 0; i < nB; i++ )
2049 : {
2050 131388 : IF( GE_16( i, SPAR_DIRAC_SPLIT_START_BAND ) )
2051 : {
2052 175116 : FOR( j = pred_cell_dims[i].dim1 - 1; j >= 0; j-- )
2053 : {
2054 131320 : hMdDec->spar_md.band_coeffs_idx[i].pred_index_re[j + ( FOA_CHANNELS - 1 )] =
2055 131320 : hMdDec->spar_md.band_coeffs_idx[i].pred_index_re[j]; /*Q0*/
2056 131320 : move16();
2057 : }
2058 175184 : FOR( j = 0; j < FOA_CHANNELS - 1; j++ )
2059 : {
2060 131388 : hMdDec->spar_md.band_coeffs_idx[i].pred_index_re[j] = 0;
2061 131388 : move16();
2062 : }
2063 : }
2064 : }
2065 : }
2066 :
2067 144857 : IF( EQ_16( any_diff, 1 ) )
2068 : {
2069 77307 : 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 );
2070 : }
2071 :
2072 144857 : ivas_arith_decode_cmplx_cell_array( &hMdDec->arith_coeffs.drct_arith_re[qsi], &hMdDec->arith_coeffs.drct_arith_re_diff[qsi],
2073 : st0, drct_cell_dims, pDo_diff, nB, symbol_arr_re, symbol_arr_old_re );
2074 :
2075 144857 : ivas_fill_band_coeffs_idx( hMdDec->spar_md.band_coeffs_idx, nB, symbol_arr_re, drct_cell_dims, DRCT_COEFF );
2076 :
2077 144857 : IF( EQ_16( any_diff, 1 ) )
2078 : {
2079 77307 : 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 );
2080 : }
2081 :
2082 144857 : ivas_arith_decode_cmplx_cell_array( &hMdDec->arith_coeffs.decd_arith_re[qsi], &hMdDec->arith_coeffs.decd_arith_re_diff[qsi],
2083 : st0, decd_cell_dims, pDo_diff, nB, symbol_arr_re, symbol_arr_old_re );
2084 :
2085 144857 : ivas_fill_band_coeffs_idx( hMdDec->spar_md.band_coeffs_idx, nB, symbol_arr_re, decd_cell_dims, DECD_COEFF );
2086 :
2087 144857 : IF( EQ_16( any_diff, 1 ) )
2088 : {
2089 77307 : 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 );
2090 : }
2091 :
2092 144857 : ivas_fill_band_coeffs_idx( hMdDec->spar_md.band_coeffs_idx, nB, symbol_arr_re, decx_cell_dims, DECX_COEFF );
2093 :
2094 144857 : return;
2095 : }
2096 :
2097 : /*-----------------------------------------------------------------------------------------*
2098 : * Function ivas_fill_band_coeffs_idx()
2099 : *
2100 : * Copy pred band coeffs to arr
2101 : *-----------------------------------------------------------------------------------------*/
2102 :
2103 579428 : static void ivas_fill_band_coeffs_idx(
2104 : ivas_band_coeffs_ind_t *pBands_idx,
2105 : const Word16 nB, /*Q0*/
2106 : Word16 *pSymbol_re, /*Q0*/
2107 : ivas_cell_dim_t *pCell_dims,
2108 : const ivas_coeffs_type_t coeff_type )
2109 : {
2110 : Word16 i, len;
2111 579428 : Word16 *pPtr_idx = NULL;
2112 :
2113 5369092 : FOR( i = 0; i < nB; i++ )
2114 : {
2115 4789664 : SWITCH( coeff_type )
2116 : {
2117 1197416 : case PRED_COEFF:
2118 : {
2119 1197416 : pPtr_idx = pBands_idx[i].pred_index_re;
2120 1197416 : BREAK;
2121 : }
2122 1197416 : case DRCT_COEFF:
2123 : {
2124 1197416 : pPtr_idx = pBands_idx[i].drct_index_re;
2125 1197416 : BREAK;
2126 : }
2127 1197416 : case DECD_COEFF:
2128 : {
2129 1197416 : pPtr_idx = pBands_idx[i].decd_index_re;
2130 1197416 : BREAK;
2131 : }
2132 1197416 : case DECX_COEFF:
2133 : {
2134 1197416 : BREAK;
2135 : }
2136 :
2137 0 : default:
2138 0 : assert( !"unsupported config!" );
2139 : }
2140 :
2141 4789664 : IF( NE_16( coeff_type, DECX_COEFF ) )
2142 : {
2143 3592248 : len = imult1616( pCell_dims[i].dim1, pCell_dims[i].dim2 ); /*Q0*/
2144 3592248 : Copy( pSymbol_re, pPtr_idx, len ); /*Q0*/
2145 3592248 : pSymbol_re += len;
2146 : }
2147 : }
2148 :
2149 579428 : return;
2150 : }
2151 :
2152 :
2153 : /*-----------------------------------------------------------------------------------------*
2154 : * Function ivas_decode_huffman_bs()
2155 : *
2156 : * Decode bitstream with huffman decoder
2157 : *-----------------------------------------------------------------------------------------*/
2158 :
2159 2825 : static void ivas_decode_huffman_bs(
2160 : ivas_spar_md_dec_state_t *hMdDec,
2161 : Decoder_State *st0, /* i/o: decoder state structure - for bitstream handling*/
2162 : const UWord16 qsi, /*Q0*/
2163 : const Word16 nB, /*Q0*/
2164 : const Word16 bands_bw /*Q0*/ )
2165 : {
2166 : Word16 i, j;
2167 : Word16 ndm, ndec;
2168 : Word16 pred_dim, drct_dim, decd_dim, pred_offset;
2169 :
2170 25085 : FOR( i = 0; i < nB; i++ )
2171 : {
2172 22260 : ndm = hMdDec->spar_md_cfg.num_dmx_chans_per_band[bands_bw * i]; /*Q0*/
2173 22260 : ndec = hMdDec->spar_md_cfg.num_decorr_per_band[bands_bw * i]; /*Q0*/
2174 22260 : move16();
2175 22260 : move16();
2176 :
2177 22260 : pred_dim = sub( add( ndec, ndm ), 1 );
2178 22260 : drct_dim = imult1616( ndec, sub( ndm, 1 ) ); /*Q0*/
2179 22260 : decd_dim = ndec;
2180 22260 : pred_offset = 0;
2181 22260 : move16();
2182 22260 : move16();
2183 :
2184 22260 : IF( hMdDec->spar_hoa_md_flag && hMdDec->spar_hoa_dirac2spar_md_flag )
2185 : {
2186 0 : IF( GE_16( i, SPAR_DIRAC_SPLIT_START_BAND ) )
2187 : {
2188 0 : pred_offset = FOA_CHANNELS - 1;
2189 0 : move16();
2190 : }
2191 : }
2192 :
2193 89040 : FOR( j = pred_offset; j < pred_dim; j++ )
2194 : {
2195 66780 : ivas_huffman_decode( &hMdDec->huff_coeffs.pred_huff_re[qsi], st0, &hMdDec->spar_md.band_coeffs_idx[i].pred_index_re[j] );
2196 : }
2197 :
2198 22260 : IF( hMdDec->spar_hoa_md_flag && hMdDec->spar_hoa_dirac2spar_md_flag )
2199 : {
2200 0 : IF( i >= SPAR_DIRAC_SPLIT_START_BAND )
2201 : {
2202 0 : FOR( j = 0; j < pred_offset; j++ )
2203 : {
2204 0 : hMdDec->spar_md.band_coeffs_idx[i].pred_index_re[j] = 0;
2205 0 : move16();
2206 : }
2207 : }
2208 : }
2209 :
2210 24404 : FOR( j = 0; j < drct_dim; j++ )
2211 : {
2212 2144 : ivas_huffman_decode( &hMdDec->huff_coeffs.drct_huff_re[qsi], st0, &hMdDec->spar_md.band_coeffs_idx[i].drct_index_re[j] );
2213 : }
2214 :
2215 25960 : FOR( j = 0; j < decd_dim; j++ )
2216 : {
2217 3700 : ivas_huffman_decode( &hMdDec->huff_coeffs.decd_huff_re[qsi], st0, &hMdDec->spar_md.band_coeffs_idx[i].decd_index_re[j] );
2218 : }
2219 : }
2220 :
2221 2825 : return;
2222 : }
2223 :
2224 296366 : static void ivas_spar_plc_get_band_age(
2225 : const Word16 *valid_bands, /*Q0*/
2226 : Word16 *base_band_age, /*Q0*/
2227 : const Word16 num_bands, /*Q0*/
2228 : Word16 last_valid_band_idx[IVAS_MAX_NUM_BANDS], /*Q0*/
2229 : Word16 valid_band_idx[IVAS_MAX_NUM_BANDS], /*Q0*/
2230 : Word16 *all_valid, /*Q0*/
2231 : Word16 *b_idx /*Q0*/ )
2232 : {
2233 : Word16 b, idx;
2234 :
2235 296366 : set16_fx( valid_band_idx, 0, IVAS_MAX_NUM_BANDS );
2236 296366 : set16_fx( last_valid_band_idx, 0, IVAS_MAX_NUM_BANDS );
2237 296366 : idx = -1;
2238 296366 : *all_valid = 1;
2239 296366 : move16();
2240 296366 : move16();
2241 3319604 : FOR( b = 0; b < num_bands; b++ ){
2242 3023238 : IF( valid_bands[b] != 0 ){
2243 2988306 : base_band_age[b] = 0; /* reset band age */
2244 2988306 : idx = add( idx, 1 );
2245 2988306 : valid_band_idx[idx] = b;
2246 2988306 : move16();
2247 2988306 : move16();
2248 : }
2249 : ELSE
2250 : {
2251 34932 : base_band_age[b] = add( base_band_age[b], 1 ); /* increment the age of invalid bands */ /*Q0*/
2252 :
2253 34932 : IF( GT_16( base_band_age[b], 3 ) )
2254 : {
2255 5520 : last_valid_band_idx[b] = idx;
2256 5520 : move16();
2257 : }
2258 34932 : *all_valid = 0;
2259 34932 : move16();
2260 : }
2261 : }
2262 296366 : *b_idx = idx;
2263 296366 : move16();
2264 :
2265 296366 : return;
2266 : }
2267 :
2268 :
2269 5520 : static void ivas_spar_get_plc_interp_weights_fx(
2270 : Word16 valid_band_idx[IVAS_MAX_NUM_BANDS], /*Q0*/
2271 : Word16 last_valid_band_idx, /*Q0*/
2272 : Word16 idx, /*Q0*/
2273 : Word16 b, /*Q0*/
2274 : Word16 *w, /*Q15*/
2275 : Word16 *id0, /*Q0*/
2276 : Word16 *id1 /*Q0*/ )
2277 : {
2278 5520 : IF( last_valid_band_idx < 0 ) /* Extrapolation */
2279 : {
2280 1494 : *id1 = valid_band_idx[0]; /*Q0*/
2281 1494 : move16();
2282 1494 : *id0 = 0;
2283 1494 : move16();
2284 1494 : *w = MAX_WORD16;
2285 1494 : move16();
2286 : }
2287 4026 : ELSE IF( EQ_16( last_valid_band_idx, idx ) ) /* Extrapolation */
2288 : {
2289 495 : *id1 = valid_band_idx[last_valid_band_idx]; /*Q0*/
2290 495 : move16();
2291 495 : *id0 = valid_band_idx[last_valid_band_idx]; /*Q0*/
2292 495 : move16();
2293 495 : *w = 0;
2294 495 : move16();
2295 : }
2296 : ELSE /* Interpolation */
2297 : {
2298 3531 : *id0 = valid_band_idx[last_valid_band_idx]; /*Q0*/
2299 3531 : move16();
2300 3531 : *id1 = valid_band_idx[last_valid_band_idx + 1]; /*Q0*/
2301 3531 : move16();
2302 3531 : IF( sub( b, *id0 ) == 0 )
2303 : {
2304 0 : *w = 0;
2305 0 : move16();
2306 : }
2307 : ELSE
2308 : {
2309 3531 : *w = divide3232( sub( b, *id0 ), sub( *id1, *id0 ) ); /*Q0*/
2310 3531 : move16();
2311 : }
2312 : }
2313 5520 : return;
2314 : }
2315 :
2316 : /*-----------------------------------------------------------------------------------------*
2317 : * Function ivas_spar_md_fill_invalid_bands_fx()
2318 : *
2319 : * Fill invalid bands in interpolation/extrapolation of valid bands
2320 : * when PLC is to be done with partial time differential coding
2321 : *-----------------------------------------------------------------------------------------*/
2322 148183 : static void ivas_spar_md_fill_invalid_bands_fx(
2323 : ivas_spar_dec_matrices_t *pSpar_coeffs,
2324 : ivas_spar_dec_matrices_t *pSpar_coeffs_prev,
2325 : const Word16 *valid_bands, /*Q0*/
2326 : Word16 *base_band_age, /*Q0*/
2327 : const Word16 num_bands, /*Q0*/
2328 : const Word16 num_channels, /*Q0*/
2329 : const Word16 num_md_sub_frames /*Q0*/ )
2330 : {
2331 : Word16 i, j, b, all_valid;
2332 148183 : Word16 valid_band_idx[IVAS_MAX_NUM_BANDS], idx = -1;
2333 148183 : move16();
2334 : Word16 last_valid_band_idx[IVAS_MAX_NUM_BANDS];
2335 148183 : Word16 w_fx = 0;
2336 148183 : move16();
2337 148183 : ivas_spar_plc_get_band_age( valid_bands, base_band_age, num_bands,
2338 : last_valid_band_idx, valid_band_idx, &all_valid, &idx );
2339 148183 : assert( idx > 0 ); /* some bands should be valid */
2340 :
2341 148183 : IF( all_valid == 0 )
2342 : {
2343 48037 : FOR( b = 0; b < num_bands; b++ )
2344 : {
2345 : /* check against non zero in if and else if */
2346 :
2347 44182 : IF( GT_16( base_band_age[b], 3 ) ) /* old invalid bands */
2348 : {
2349 : Word16 id0, id1;
2350 2760 : ivas_spar_get_plc_interp_weights_fx( valid_band_idx, last_valid_band_idx[b],
2351 : idx, b, &w_fx, &id0, &id1 );
2352 13800 : FOR( i = 0; i < num_channels; i++ )
2353 : {
2354 55200 : FOR( j = 0; j < num_channels; j++ )
2355 : {
2356 44160 : 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*/
2357 44160 : move32();
2358 44160 : 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*/
2359 44160 : move32();
2360 : }
2361 : }
2362 : }
2363 : ELSE /* young invalid bands */
2364 : {
2365 41422 : IF( valid_bands[b] == 0 )
2366 : {
2367 73530 : FOR( i = 0; i < num_channels; i++ )
2368 : {
2369 294120 : FOR( j = 0; j < num_channels; j++ )
2370 : {
2371 235296 : pSpar_coeffs->C_re_fx[i][j][b] = pSpar_coeffs_prev->C_re_fx[i][j][b]; /*Q22*/
2372 235296 : move32();
2373 235296 : pSpar_coeffs->P_re_fx[i][j][b] = pSpar_coeffs_prev->P_re_fx[i][j][b]; /*Q22*/
2374 235296 : move32();
2375 : }
2376 : }
2377 : }
2378 : }
2379 :
2380 44182 : IF( valid_bands[b] == 0 )
2381 : {
2382 : Word16 i_ts;
2383 87330 : FOR( i = 0; i < num_channels; i++ )
2384 : {
2385 349320 : FOR( j = 0; j < num_channels; j++ )
2386 : {
2387 1100640 : FOR( i_ts = 1; i_ts < num_md_sub_frames; i_ts++ )
2388 : {
2389 821184 : pSpar_coeffs->C_re_fx[i][j][( b + ( i_ts * IVAS_MAX_NUM_BANDS ) )] = pSpar_coeffs->C_re_fx[i][j][b]; /*Q22*/
2390 821184 : move32();
2391 821184 : pSpar_coeffs->P_re_fx[i][j][( b + ( i_ts * IVAS_MAX_NUM_BANDS ) )] = pSpar_coeffs->P_re_fx[i][j][b]; /*Q22*/
2392 821184 : move32();
2393 : }
2394 : }
2395 : }
2396 : }
2397 : }
2398 : }
2399 :
2400 148183 : return;
2401 : }
2402 :
2403 148183 : static void ivas_spar_md_fill_invalid_bandcoeffs(
2404 : ivas_band_coeffs_t *pBand_coeffs,
2405 : ivas_band_coeffs_t *pBand_coeffs_prev,
2406 : const Word16 *valid_bands, /*Q0*/
2407 : Word16 *base_band_age, /*Q0*/
2408 : Word16 *first_valid_frame, /*Q0*/
2409 : const Word16 num_bands /*Q0*/ )
2410 : {
2411 : Word16 j, k, b, all_valid;
2412 148183 : Word16 valid_band_idx[IVAS_MAX_NUM_BANDS], idx = -1;
2413 148183 : move16();
2414 : Word16 last_valid_band_idx[IVAS_MAX_NUM_BANDS];
2415 148183 : Word16 w_fx = 0;
2416 148183 : move16();
2417 :
2418 148183 : ivas_spar_plc_get_band_age( valid_bands, base_band_age, num_bands,
2419 : last_valid_band_idx, valid_band_idx, &all_valid, &idx );
2420 :
2421 148183 : assert( idx > 0 ); /* some bands should be valid */
2422 :
2423 148183 : IF( all_valid == 0 )
2424 : {
2425 34695 : FOR( b = 0; b < num_bands; b++ )
2426 : {
2427 : /* check against non zero in if and else if */
2428 30840 : test();
2429 30840 : IF( GT_16( base_band_age[b], 3 ) || ( *first_valid_frame == 0 ) ) /* old invalid bands */
2430 2760 : {
2431 : Word16 id0, id1;
2432 :
2433 2760 : ivas_spar_get_plc_interp_weights_fx( valid_band_idx, last_valid_band_idx[b],
2434 : idx, b, &w_fx, &id0, &id1 );
2435 :
2436 30360 : FOR( j = 0; j < IVAS_SPAR_MAX_CH - 1; j++ )
2437 : {
2438 27600 : 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*/
2439 27600 : move32();
2440 : }
2441 :
2442 22080 : FOR( j = 0; j < IVAS_SPAR_MAX_CH - IVAS_SPAR_MAX_DMX_CHS; j++ )
2443 : {
2444 77280 : FOR( k = 0; k < IVAS_SPAR_MAX_DMX_CHS - 1; k++ )
2445 : {
2446 57960 : 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*/
2447 57960 : move32();
2448 : }
2449 : }
2450 :
2451 30360 : FOR( j = 0; j < IVAS_SPAR_MAX_CH - 1; j++ )
2452 : {
2453 27600 : 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*/
2454 27600 : move32();
2455 : }
2456 : }
2457 : ELSE /* young invalid bands */
2458 : {
2459 28080 : IF( valid_bands[b] == 0 )
2460 : {
2461 161766 : FOR( j = 0; j < IVAS_SPAR_MAX_CH - 1; j++ )
2462 : {
2463 147060 : pBand_coeffs[b].pred_re_fx[j] = pBand_coeffs_prev[b].pred_re_fx[j]; /*Q22*/
2464 147060 : move32();
2465 : }
2466 :
2467 117648 : FOR( j = 0; j < IVAS_SPAR_MAX_CH - IVAS_SPAR_MAX_DMX_CHS; j++ )
2468 : {
2469 411768 : FOR( k = 0; k < IVAS_SPAR_MAX_DMX_CHS - 1; k++ )
2470 : {
2471 308826 : pBand_coeffs[b].C_re_fx[j][k] = pBand_coeffs_prev[b].C_re_fx[j][k]; /*Q22*/
2472 308826 : move32();
2473 : }
2474 : }
2475 :
2476 161766 : FOR( j = 0; j < IVAS_SPAR_MAX_CH - 1; j++ )
2477 : {
2478 147060 : pBand_coeffs[b].P_re_fx[j] = pBand_coeffs_prev[b].P_re_fx[j]; /*Q22*/
2479 147060 : move32();
2480 : }
2481 : }
2482 : }
2483 : }
2484 : }
2485 : ELSE
2486 : {
2487 144328 : *first_valid_frame = 1;
2488 144328 : move16();
2489 : }
2490 :
2491 148183 : return;
2492 : }
2493 :
2494 : /*-----------------------------------------------------------------------------------------*
2495 : * Function ivas_spar_dec_compute_ramp_down_post_matrix_fx()
2496 : *
2497 : *
2498 : *-----------------------------------------------------------------------------------------*/
2499 :
2500 188962 : static void ivas_spar_dec_compute_ramp_down_post_matrix_fx(
2501 : ivas_spar_md_dec_state_t *hMdDec,
2502 : const Word16 num_bands_out, /*Q0*/
2503 : const Word16 bfi, /*Q0*/
2504 : const Word16 num_md_sub_frames /*Q0*/ )
2505 : {
2506 : Word16 num_in_ch, num_out_ch, i, j, b;
2507 188962 : num_in_ch = hMdDec->spar_md_cfg.num_umx_chs; /*Q0*/
2508 188962 : num_out_ch = hMdDec->spar_md_cfg.num_umx_chs; /*Q0*/
2509 188962 : move16();
2510 188962 : move16();
2511 188962 : IF( bfi == 0 )
2512 : {
2513 182599 : hMdDec->spar_plc_num_lost_frames = 0;
2514 182599 : move16();
2515 : }
2516 : ELSE
2517 : {
2518 6363 : if ( hMdDec->td_decorr_flag == 0 )
2519 : {
2520 0 : assert( 0 );
2521 : }
2522 :
2523 6363 : hMdDec->spar_plc_num_lost_frames = add( hMdDec->spar_plc_num_lost_frames, 1 );
2524 6363 : move16();
2525 6363 : 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*/
2526 6363 : move16();
2527 :
2528 6363 : 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 */
2529 : {
2530 : Word16 num_fade_frames;
2531 : Word16 gain_dB;
2532 : Word32 gain_fx;
2533 : Word32 post_matrix_fx[IVAS_SPAR_MAX_CH];
2534 : Word16 Q_post_matrix;
2535 : Word16 Q_gain;
2536 : Word16 norm_nff; /*norm of num_fade_frames*/
2537 2010 : num_fade_frames = s_max( sub( hMdDec->spar_plc_num_lost_frames, ivas_spar_dec_plc_num_frames_keep ), 0 );
2538 2010 : norm_nff = norm_s( num_fade_frames );
2539 2010 : 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*/
2540 2010 : Word16 exp_gain = 0;
2541 2010 : move16(); /*stores exponent for gain_fx*/
2542 2010 : 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*/
2543 2010 : Q_gain = sub( 31, exp_gain );
2544 24120 : FOR( i = 0; i < IVAS_SPAR_MAX_CH; i++ )
2545 : {
2546 22110 : 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*/
2547 22110 : move32();
2548 22110 : post_matrix_fx[i] = Mult_32_16( gain_fx, extract_l( post_matrix_fx[i] ) ); /*Q_gain+norm_nff-15*/
2549 22110 : move32();
2550 : }
2551 2010 : Q_post_matrix = sub( add( Q_gain, norm_nff ), 15 );
2552 : /* apply the post matrix */
2553 2010 : hMdDec->Q_mixer_mat = sub( add( Q_post_matrix, hMdDec->Q_mixer_mat ), 31 );
2554 2010 : move16();
2555 10050 : FOR( Word16 i_ts = 0; i_ts < num_md_sub_frames; i_ts++ )
2556 : {
2557 40200 : FOR( i = 0; i < num_out_ch; i++ )
2558 : {
2559 160800 : FOR( j = 0; j < num_in_ch; j++ )
2560 : {
2561 1584768 : FOR( b = 0; b < num_bands_out; b++ )
2562 : {
2563 1456128 : 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
2564 1456128 : move32();
2565 : }
2566 : }
2567 : }
2568 : }
2569 2010 : hMdDec->Q_mixer_mat = Q30;
2570 2010 : move16();
2571 : }
2572 : }
2573 :
2574 188962 : return;
2575 : }
2576 :
2577 :
2578 : /*-----------------------------------------------------------------------------------------*
2579 : * Function ivas_spar_unquant_dtx_indicies()
2580 : *
2581 : * Unquantize SPAR MD DYX indices
2582 : *-----------------------------------------------------------------------------------------*/
2583 501 : static void ivas_spar_unquant_dtx_indicies(
2584 : ivas_spar_md_t *pSpar_md,
2585 : const Word16 nB, /*Q0*/
2586 : const Word16 bw, /*Q0*/
2587 : Word16 *ndm_per_band /*Q0*/ )
2588 : {
2589 : Word16 i, b;
2590 : Word16 q_lvl;
2591 : Word32 val_fx;
2592 : Word16 idx;
2593 : Word32 pr_min_max_fx[2];
2594 :
2595 501 : pr_min_max_fx[0] = pSpar_md->min_max_fx[0]; /*Q28*/
2596 501 : move32();
2597 501 : pr_min_max_fx[1] = pSpar_md->min_max_fx[1]; /*Q28*/
2598 501 : move32();
2599 :
2600 1503 : FOR( b = 0; b < nB; b++ )
2601 : {
2602 4008 : FOR( i = 0; i < FOA_CHANNELS - 1; i++ )
2603 : {
2604 3006 : q_lvl = dtx_pr_real_q_levels[( ndm_per_band[( bw * b )] - 1 )][i]; /*Q0*/
2605 3006 : move16();
2606 :
2607 3006 : idx = pSpar_md->band_coeffs_idx[b].pred_index_re[i]; /*Q0*/
2608 3006 : move16();
2609 3006 : ivas_deindex_real_index_fx( &idx, q_lvl, pr_min_max_fx[0], pr_min_max_fx[1], &val_fx, 1 );
2610 3006 : pSpar_md->band_coeffs[b].pred_re_fx[i] = val_fx; /*Q22*/
2611 3006 : move32();
2612 : }
2613 :
2614 3226 : FOR( i = 0; i < ( FOA_CHANNELS - ndm_per_band[( bw - b )] ); i++ )
2615 : {
2616 2224 : q_lvl = dtx_pd_real_q_levels[( ndm_per_band[( bw * b )] - 1 )][i]; /*Q0*/
2617 2224 : move16();
2618 :
2619 2224 : idx = pSpar_md->band_coeffs_idx[b].decd_index_re[i]; /*Q0*/
2620 2224 : move16();
2621 2224 : 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 );
2622 2224 : pSpar_md->band_coeffs[b].P_re_fx[i] = val_fx; /*Q22*/
2623 2224 : move32();
2624 : }
2625 : }
2626 :
2627 501 : return;
2628 : }
2629 :
2630 : /*-----------------------------------------------------------------------------------------*
2631 : * Function ivas_parse_parameter_bitstream_dtx()
2632 : *
2633 : * parse DTX bitstream parameters
2634 : *-----------------------------------------------------------------------------------------*/
2635 501 : static void ivas_parse_parameter_bitstream_dtx(
2636 : ivas_spar_md_t *pSpar_md,
2637 : Decoder_State *st0, /* i/o: decoder state structure - for bitstream handling*/
2638 : const Word16 bw, /*Q0*/
2639 : const Word16 num_bands, /*Q0*/
2640 : Word16 *num_dmx_per_band, /*Q0*/
2641 : Word16 *num_dec_per_band /*Q0*/ )
2642 : {
2643 : Word16 i, j, ndec, ndm;
2644 : Word32 val_fx;
2645 : Word16 idx;
2646 : Word32 pr_min_max_fx[2];
2647 : Word16 pr_q_lvls, pr, pd, pd_q_lvls, pr_pd_bits;
2648 : Word16 zero_pad_bits, sid_bits_len;
2649 : Word16 sba_spar_bitlen;
2650 :
2651 501 : sid_bits_len = st0->next_bit_pos; /*Q0*/
2652 501 : move16();
2653 501 : pr_min_max_fx[0] = pSpar_md->min_max_fx[0]; /*Q28*/
2654 501 : move32();
2655 501 : pr_min_max_fx[1] = pSpar_md->min_max_fx[1]; /*Q28*/
2656 501 : move32();
2657 :
2658 1503 : FOR( i = 0; i < num_bands; i++ )
2659 : {
2660 1002 : ndec = num_dec_per_band[( bw * i )];
2661 1002 : move16();
2662 1002 : ndm = num_dmx_per_band[( bw * i )];
2663 1002 : move16();
2664 :
2665 4008 : 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 3006 : pr_idx_1 = pr_pr_idx_pairs[ndm - 1][j][0]; /*Q0*/
2671 3006 : move16();
2672 3006 : pr_idx_2 = pr_pr_idx_pairs[ndm - 1][j][1]; /*Q0*/
2673 3006 : move16();
2674 3006 : pd_idx_1 = pr_pd_idx_pairs[ndm - 1][j][0]; /*Q0*/
2675 3006 : move16();
2676 3006 : pd_idx_2 = pr_pd_idx_pairs[ndm - 1][j][1]; /*Q0*/
2677 3006 : move16();
2678 :
2679 3006 : test();
2680 3006 : test();
2681 3006 : test();
2682 3006 : IF( pr_idx_1 != 0 || pd_idx_1 != 0 || pr_idx_2 != 0 || pd_idx_2 != 0 )
2683 : {
2684 3006 : pr_q_lvls = dtx_pr_real_q_levels[ndm - 1][pd_idx_1 - 1]; /*Q0*/
2685 3006 : move16();
2686 :
2687 3006 : IF( GT_16( add( j, 1 ), ndec ) )
2688 : {
2689 782 : pd_q_lvls = 1;
2690 782 : move16();
2691 : }
2692 : ELSE
2693 : {
2694 2224 : pd_q_lvls = dtx_pd_real_q_levels[ndm - 1][pd_idx_2 - 1]; /*Q0*/
2695 2224 : move16();
2696 : }
2697 :
2698 3006 : pr_pd_bits = ivas_get_bits_to_encode( L_mult0( pd_q_lvls, pr_q_lvls ) ); /*Q0*/
2699 :
2700 3006 : value = get_next_indice_fx( st0, pr_pd_bits ); /*Q0*/
2701 :
2702 3006 : IF( value != 0 )
2703 : {
2704 3006 : pr = idiv1616( value, pd_q_lvls ); /*Q0*/
2705 : }
2706 : ELSE
2707 : {
2708 0 : pr = 0;
2709 0 : move16();
2710 : }
2711 3006 : pd = extract_l( L_sub( value, i_mult( pr, pd_q_lvls ) ) );
2712 3006 : val_fx = dtx_pd_real_min_max_fx[0]; /*Q28*/
2713 3006 : move32();
2714 3006 : 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 3006 : pd = add( pd, idx );
2716 :
2717 3006 : val_fx = pr_min_max_fx[0]; /*Q28*/
2718 3006 : move32();
2719 3006 : 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 3006 : pr = add( pr, idx );
2721 :
2722 3006 : if ( LE_16( add( j, 1 ), ndec ) )
2723 : {
2724 2224 : pSpar_md->band_coeffs_idx[i].decd_index_re[pd_idx_2 - 1] = pd; /*Q0*/
2725 2224 : move16();
2726 : }
2727 :
2728 3006 : pSpar_md->band_coeffs_idx[i].pred_index_re[pd_idx_1 - 1] = pr; /*Q0*/
2729 3006 : move16();
2730 : }
2731 : }
2732 : }
2733 :
2734 501 : sid_bits_len = sub( st0->next_bit_pos, sid_bits_len );
2735 501 : sba_spar_bitlen = ivas_sba_spar_sid_bitlen_fx( num_dmx_per_band[0] );
2736 501 : zero_pad_bits = sub( sba_spar_bitlen, sid_bits_len );
2737 501 : assert( zero_pad_bits >= 0 );
2738 501 : if ( EQ_16( num_dmx_per_band[0], 2 ) )
2739 : {
2740 391 : zero_pad_bits = sub( zero_pad_bits, 1 );
2741 : }
2742 :
2743 1674 : FOR( j = 0; j < zero_pad_bits; j++ )
2744 : {
2745 1173 : get_next_indice_fx( st0, 1 );
2746 : }
2747 :
2748 501 : ivas_spar_unquant_dtx_indicies( pSpar_md, num_bands, bw, num_dmx_per_band );
2749 :
2750 501 : return;
2751 : }
2752 :
2753 : /*-----------------------------------------------------------------------------------------*
2754 : * Function ivas_deindex_real_index()
2755 : *
2756 : * Deindex real index
2757 : *-----------------------------------------------------------------------------------------*/
2758 :
2759 :
2760 3664258 : static ivas_error ivas_deindex_real_index_fx(
2761 : const Word16 *index, /*Q0*/
2762 : const Word16 q_levels, /*Q0*/
2763 : const Word32 min_value, /*Q28*/
2764 : const Word32 max_value, /*Q28*/
2765 : Word32 *quant, /*Q22*/
2766 : const Word16 dim /*Q0*/ )
2767 : {
2768 : Word16 i;
2769 : Word32 q_step_fx;
2770 3664258 : IF( q_levels == 0 )
2771 : {
2772 0 : return IVAS_ERR_INTERNAL;
2773 : }
2774 :
2775 3664258 : IF( EQ_16( q_levels, 1 ) )
2776 : {
2777 996960 : FOR( i = 0; i < dim; i++ )
2778 : {
2779 441144 : quant[i] = 0;
2780 441144 : move32();
2781 : }
2782 : }
2783 : ELSE
2784 : {
2785 3108442 : q_step_fx = L_sub( max_value, min_value );
2786 3108442 : q_step_fx = Mpy_32_32( q_step_fx, one_by_q_level[q_levels - 1] /*Q31*/ ); /*Q28*/
2787 16962888 : FOR( i = 0; i < dim; i++ )
2788 : {
2789 13854446 : quant[i] = Mpy_32_32( L_shl( index[i], 31 - 6 ), q_step_fx ); //(25+28)-31 = 22
2790 13854446 : move32();
2791 : }
2792 : }
2793 :
2794 3664258 : return IVAS_ERR_OK;
2795 : }
2796 :
2797 :
2798 138319 : void ivas_spar_to_dirac_fx(
2799 : Decoder_Struct *st_ivas,
2800 : ivas_spar_md_dec_state_t *hMdDec, /* i/o: SPAR MD decoder handle Q0*/
2801 : const Word16 dtx_vad, /* i : DTX frame flag Q0*/
2802 : const Word16 num_bands_out, /* i : number of output bands Q0*/
2803 : const Word16 bw, /* i : band joining factor Q0*/
2804 : const Word16 dyn_active_w_flag )
2805 : {
2806 : DIRAC_DEC_HANDLE hDirAC;
2807 : Word16 start_band, end_band, band, qmf_band_start, qmf_band_end;
2808 : Word16 block, b;
2809 : Word16 *band_grouping;
2810 :
2811 : Word32 diffuseness_fx[IVAS_MAX_NUM_BANDS];
2812 : Word16 sba_order_internal;
2813 :
2814 : Word32 azi_dirac_fx[IVAS_MAX_NUM_BANDS][MAX_PARAM_SPATIAL_SUBFRAMES];
2815 :
2816 : Word32 ele_dirac_fx[IVAS_MAX_NUM_BANDS][MAX_PARAM_SPATIAL_SUBFRAMES];
2817 : Word16 azi[IVAS_MAX_NUM_BANDS];
2818 : Word16 ele[IVAS_MAX_NUM_BANDS];
2819 :
2820 : Word32 dvx_fx[IVAS_MAX_NUM_BANDS], dvy_fx[IVAS_MAX_NUM_BANDS], dvz_fx[IVAS_MAX_NUM_BANDS];
2821 :
2822 : Word32 radius_fx;
2823 :
2824 : Word32 en_ratio_fx, res_pow_fx;
2825 : Word16 en_ratio_q;
2826 : Word16 num_slots_in_subfr;
2827 : Word16 tmp_write_idx_param_band;
2828 : Word16 tmp_write_idx_band;
2829 :
2830 : Word32 pred_re_20ms_fx[IVAS_MAX_NUM_BANDS][IVAS_SPAR_MAX_CH - 1];
2831 : Word16 pred_idx;
2832 : Word16 *dirac_to_spar_md_bands;
2833 : Word16 enc_param_start_band;
2834 : Word16 active_w_vlbr;
2835 : Word16 i, num_subframes;
2836 : Word16 active_w;
2837 : SPAT_PARAM_REND_COMMON_DATA_HANDLE hSpatParamRendCom;
2838 :
2839 138319 : test();
2840 138319 : active_w = EQ_16( dyn_active_w_flag, 1 ) || EQ_16( hMdDec->spar_md_cfg.active_w, 1 );
2841 138319 : sba_order_internal = s_min( st_ivas->sba_analysis_order, IVAS_MAX_SBA_ORDER );
2842 138319 : move16();
2843 138319 : start_band = 0;
2844 138319 : move16();
2845 138319 : end_band = idiv1616( s_min( num_bands_out, SPAR_DIRAC_SPLIT_START_BAND ), bw ); /*Q0*/
2846 :
2847 138319 : hDirAC = st_ivas->hDirAC;
2848 138319 : hSpatParamRendCom = st_ivas->hSpatParamRendCom;
2849 :
2850 138319 : dirac_to_spar_md_bands = st_ivas->hSpar->dirac_to_spar_md_bands; /*Q0*/
2851 138319 : move16();
2852 :
2853 138319 : IF( st_ivas->hSpar->enc_param_start_band > 0 )
2854 : {
2855 132125 : enc_param_start_band = idiv1616( st_ivas->hSpar->enc_param_start_band, bw ); /*Q0*/
2856 : }
2857 : ELSE
2858 : {
2859 6194 : enc_param_start_band = 0;
2860 6194 : move16();
2861 : }
2862 :
2863 138319 : IF( LT_32( st_ivas->hDecoderConfig->ivas_total_brate, IVAS_24k4 ) )
2864 : {
2865 11371 : active_w_vlbr = 1;
2866 11371 : move16();
2867 : }
2868 : ELSE
2869 : {
2870 126948 : active_w_vlbr = 0;
2871 126948 : move16();
2872 : }
2873 :
2874 138319 : test();
2875 138319 : IF( hDirAC != NULL && ivas_get_hodirac_flag_fx( st_ivas->hDecoderConfig->ivas_total_brate, st_ivas->sba_analysis_order ) == 0 )
2876 : {
2877 86020 : band_grouping = hDirAC->band_grouping;
2878 :
2879 86020 : IF( st_ivas->hDirAC->hConfig->dec_param_estim )
2880 : {
2881 48802 : num_slots_in_subfr = CLDFB_NO_COL_MAX / MAX_PARAM_SPATIAL_SUBFRAMES;
2882 48802 : move16();
2883 : }
2884 : ELSE
2885 : {
2886 37218 : num_slots_in_subfr = 1;
2887 37218 : move16();
2888 : }
2889 :
2890 774180 : FOR( band = start_band; band < end_band; band++ )
2891 : {
2892 : Word32 PR_fx[3], Pd_fx[3], dvnorm_fx, g_pred_fx;
2893 : Word16 q_g_pred;
2894 : Word16 q_dvnorm;
2895 688160 : PR_fx[0] = hMdDec->spar_md.band_coeffs[band].pred_re_fx[2]; /*Q22*/
2896 688160 : move32();
2897 688160 : PR_fx[1] = hMdDec->spar_md.band_coeffs[band].pred_re_fx[0]; /*Q22*/
2898 688160 : move32();
2899 688160 : PR_fx[2] = hMdDec->spar_md.band_coeffs[band].pred_re_fx[1]; /*Q22*/
2900 688160 : move32();
2901 688160 : 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*/
2902 688160 : q_g_pred = Q22 + Q22 - Q31;
2903 688160 : move16();
2904 688160 : q_dvnorm = sub( Q31, q_g_pred );
2905 688160 : q_g_pred = q_dvnorm;
2906 688160 : move16();
2907 688160 : IF( LE_32( g_pred_fx, EPSILON_FIX ) )
2908 : {
2909 32114 : dvx_fx[band] = ONE_IN_Q22; /*Q22*/
2910 32114 : move32();
2911 32114 : dvy_fx[band] = 0;
2912 32114 : move32();
2913 32114 : dvz_fx[band] = 0;
2914 32114 : move32();
2915 :
2916 32114 : azi[band] = 0;
2917 32114 : move16();
2918 32114 : ele[band] = 0;
2919 32114 : move16();
2920 32114 : q_g_pred = Q22;
2921 32114 : move16();
2922 32114 : q_dvnorm = Q22;
2923 32114 : move16();
2924 : }
2925 : ELSE
2926 : {
2927 656046 : dvnorm_fx = ISqrt32( g_pred_fx, &q_dvnorm ); /*Q31 - q_dvnorm*/
2928 656046 : g_pred_fx = Sqrt32( g_pred_fx, &q_g_pred ); /*Q31 - q_g_pred*/
2929 656046 : IF( q_g_pred < 0 )
2930 : {
2931 290158 : g_pred_fx = L_shr( g_pred_fx, negate( q_g_pred ) );
2932 290158 : q_g_pred = 0;
2933 290158 : move16();
2934 : }
2935 :
2936 656046 : dvx_fx[band] = Mpy_32_32( PR_fx[0], dvnorm_fx ); /*q_1*/
2937 656046 : move32();
2938 656046 : dvy_fx[band] = Mpy_32_32( PR_fx[1], dvnorm_fx ); /*q_1*/
2939 656046 : move32();
2940 656046 : dvz_fx[band] = Mpy_32_32( PR_fx[2], dvnorm_fx ); /*q_1*/
2941 656046 : move32();
2942 656046 : Word16 q_1 = sub( add( 22, sub( 31, q_dvnorm ) ), 31 );
2943 :
2944 656046 : Word32 temp = L_add( Mpy_32_32( dvx_fx[band], dvx_fx[band] ), Mpy_32_32( dvy_fx[band], dvy_fx[band] ) ); /*q2*/
2945 656046 : Word16 q2 = sub( add( q_1, q_1 ), 31 );
2946 656046 : Word16 q_temp = sub( 31, q2 );
2947 656046 : radius_fx = Sqrt32( temp, &q_temp );
2948 :
2949 656046 : Word16 check_azi_fx = BASOP_util_atan2( dvy_fx[band], dvx_fx[band], 0 ); /*Q13*/
2950 :
2951 656046 : Word32 azi_intermediate = Mpy_32_16_1( DEG180_BY_PI_Q24, check_azi_fx );
2952 :
2953 656046 : azi_intermediate = L_add( azi_intermediate, ONE_IN_Q21 ); /*Q22*/
2954 :
2955 : Word16 azi_res;
2956 656046 : IF( azi_intermediate < 0 )
2957 : {
2958 444268 : azi_res = negate( extract_l( L_shr( L_negate( azi_intermediate ), 22 ) ) ); /*Q0*/
2959 : }
2960 : ELSE
2961 : {
2962 211778 : azi_res = extract_l( L_shr( azi_intermediate, 22 ) ); /*Q0*/
2963 : }
2964 :
2965 656046 : Word16 check_ele_fx = BASOP_util_atan2( dvz_fx[band], radius_fx, sub( add( 9, q_dvnorm ), q_temp ) ); /*Q13*/
2966 656046 : Word32 ele_intermediate = Mpy_32_16_1( DEG180_BY_PI_Q24, check_ele_fx );
2967 656046 : ele_intermediate = L_add( ele_intermediate, ONE_IN_Q21 ); /*Q22*/
2968 :
2969 : Word16 ele_res;
2970 656046 : IF( ele_intermediate < 0 )
2971 : {
2972 272321 : ele_res = negate( extract_l( L_shr( L_negate( ele_intermediate ), 22 ) ) ); /*Q0*/
2973 : }
2974 : ELSE
2975 : {
2976 383725 : ele_res = extract_l( L_shr( ele_intermediate, 22 ) ); /*Q0*/
2977 : }
2978 :
2979 656046 : azi[band] = s_max( -180, s_min( 180, azi_res ) ); /*Q0*/
2980 656046 : move16();
2981 656046 : ele[band] = s_max( -90, s_min( 180, ele_res ) ); /*Q0*/
2982 656046 : move16();
2983 : }
2984 :
2985 688160 : IF( EQ_16( st_ivas->nchan_transport, 1 ) )
2986 : {
2987 : Word32 w_en_norm_fx, f_scale_fx;
2988 : Word16 q_w_en_norm_fx;
2989 171504 : IF( active_w )
2990 : {
2991 171504 : IF( dtx_vad == 0 )
2992 : {
2993 240 : f_scale_fx = IVAS_ACTIVEW_DM_F_SCALE_DTX_FX; /*Q31*/
2994 240 : move32();
2995 : }
2996 : ELSE
2997 : {
2998 171264 : IF( active_w_vlbr )
2999 : {
3000 68360 : f_scale_fx = IVAS_ACTIVEW_DM_F_SCALE_VLBR_FX; /*Q31*/
3001 68360 : move32();
3002 : }
3003 : ELSE
3004 : {
3005 102904 : f_scale_fx = IVAS_ACTIVEW_DM_F_SCALE_FX; /*Q31*/
3006 102904 : move32();
3007 : }
3008 : }
3009 : }
3010 : ELSE
3011 : {
3012 0 : f_scale_fx = 0;
3013 0 : move32();
3014 : }
3015 :
3016 171504 : Word32 temp_result = Mpy_32_32( Mpy_32_32( f_scale_fx, g_pred_fx ), g_pred_fx ); /*Q31 - q_g_pred*/
3017 171504 : temp_result = L_sub( L_shr( ONE_IN_Q31, q_g_pred ), temp_result );
3018 :
3019 171504 : w_en_norm_fx = Mpy_32_32( temp_result, temp_result ); /*q_w_en_norm_fx*/
3020 171504 : q_w_en_norm_fx = add( q_g_pred, q_g_pred );
3021 :
3022 171504 : Pd_fx[0] = hMdDec->spar_md.band_coeffs[band].P_re_fx[1]; /*Q22*/
3023 171504 : move32();
3024 171504 : Pd_fx[1] = hMdDec->spar_md.band_coeffs[band].P_re_fx[0]; /*Q22*/
3025 171504 : move32();
3026 171504 : Pd_fx[2] = hMdDec->spar_md.band_coeffs[band].P_re_fx[2]; /*Q22*/
3027 171504 : move32();
3028 :
3029 171504 : 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
3030 171504 : 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
3031 :
3032 171504 : 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*/
3033 :
3034 171504 : res_pow_fx = L_shr( res_pow_fx, 1 ); /*Q13*/
3035 :
3036 171504 : 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*/
3037 171504 : move32();
3038 :
3039 171504 : 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*/
3040 171504 : move32();
3041 :
3042 171504 : en_ratio_q = 31 - 13;
3043 171504 : move16();
3044 171504 : en_ratio_fx = Sqrt32( hMdDec->spar_md.en_ratio_slow_fx[band], &en_ratio_q ); /*Q31 - en_ratio_q*/
3045 171504 : IF( en_ratio_q < 0 )
3046 : {
3047 78157 : en_ratio_fx = L_shr( en_ratio_fx, negate( en_ratio_q ) ); /*Q31*/
3048 78157 : en_ratio_q = 0;
3049 78157 : move16();
3050 : }
3051 171504 : Word32 en_ratio_fx_scaled = L_shr( en_ratio_fx, ( sub( sub( 31, en_ratio_q ), 13 ) ) ); /*Q13*/
3052 171504 : IF( GT_32( en_ratio_fx_scaled, hMdDec->spar_md.ref_pow_slow_fx[band] ) )
3053 : {
3054 38523 : diffuseness_fx[band] = 0;
3055 38523 : move32();
3056 : }
3057 132981 : ELSE IF( en_ratio_fx_scaled == 0 )
3058 : {
3059 2595 : diffuseness_fx[band] = ONE_IN_Q30; /*1.0f in Q30*/
3060 2595 : move32();
3061 : }
3062 130386 : ELSE IF( EQ_32( en_ratio_fx_scaled, hMdDec->spar_md.ref_pow_slow_fx[band] ) )
3063 : {
3064 59 : diffuseness_fx[band] = ONE_IN_Q30; /*1.0f in Q30*/
3065 59 : move32();
3066 : }
3067 : ELSE
3068 : {
3069 130327 : en_ratio_fx = divide3232( en_ratio_fx_scaled, L_add( hMdDec->spar_md.ref_pow_slow_fx[band], EPSILON_FX ) ); /*Q15*/
3070 130327 : en_ratio_fx = L_shl( en_ratio_fx, 15 ); /*Q30*/
3071 130327 : diffuseness_fx[band] = L_sub( ONE_IN_Q30, en_ratio_fx );
3072 130327 : move32();
3073 : }
3074 : }
3075 : ELSE
3076 : {
3077 516656 : 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*/
3078 :
3079 516656 : 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 ) );
3080 516656 : move32();
3081 :
3082 516656 : en_ratio_q = 31 - 13;
3083 516656 : move16();
3084 516656 : en_ratio_fx = Sqrt32( hMdDec->spar_md.en_ratio_slow_fx[band], &en_ratio_q ); /*Q31 - en_ratio_q*/
3085 516656 : IF( en_ratio_q < 0 )
3086 : {
3087 230249 : en_ratio_fx = L_shr( en_ratio_fx, ( -en_ratio_q ) ); /*Q31*/
3088 230249 : en_ratio_q = 0;
3089 230249 : move16();
3090 : }
3091 516656 : Word32 en_ratio_fx_scaled = L_shr( en_ratio_fx, 1 ); /*Q30*/
3092 516656 : IF( GT_32( en_ratio_fx_scaled, ONE_IN_Q30 ) )
3093 : {
3094 0 : diffuseness_fx[band] = 0;
3095 0 : move32();
3096 : }
3097 : ELSE
3098 : {
3099 516656 : diffuseness_fx[band] = L_sub( ONE_IN_Q30, en_ratio_fx_scaled ); /*Q30*/
3100 516656 : move32();
3101 : }
3102 : }
3103 : }
3104 :
3105 774180 : FOR( band = start_band; band < end_band; band++ )
3106 : {
3107 : Word16 azi_dith, ele_dith;
3108 688160 : tmp_write_idx_param_band = hDirAC->spar_to_dirac_write_idx;
3109 688160 : move16();
3110 :
3111 688160 : en_ratio_fx = L_sub( ONE_IN_Q30, diffuseness_fx[band] ); /*Q30*/
3112 :
3113 688160 : masa_sq_fx( L_sub( ONE_IN_Q30, en_ratio_fx ), diffuseness_thresholds_fx, DIRAC_DIFFUSE_LEVELS );
3114 :
3115 :
3116 688160 : qmf_band_start = band_grouping[band]; /*Q0*/
3117 688160 : move16();
3118 688160 : qmf_band_end = band_grouping[band + 1]; /*Q0*/
3119 688160 : move16();
3120 :
3121 3440800 : FOR( block = 0; block < MAX_PARAM_SPATIAL_SUBFRAMES; block++ )
3122 : {
3123 : Word16 ts_start, ts_end, ts;
3124 :
3125 2752640 : ts_start = DirAC_block_grouping[block]; /*Q0*/
3126 2752640 : move16();
3127 2752640 : ts_end = DirAC_block_grouping[block + 1];
3128 2752640 : move16();
3129 6537520 : FOR( b = qmf_band_start; b < qmf_band_end; b++ ) /*Q0*/
3130 : {
3131 :
3132 3784880 : azi_dith = azi[band]; /*Q0*/
3133 3784880 : move16();
3134 3784880 : ele_dith = ele[band]; /*Q0*/
3135 3784880 : move16();
3136 :
3137 :
3138 3784880 : hSpatParamRendCom->energy_ratio1_fx[block][b] = en_ratio_fx; /*Q30*/
3139 3784880 : move32();
3140 3784880 : tmp_write_idx_band = tmp_write_idx_param_band; /*Q0*/
3141 3784880 : move16();
3142 :
3143 3784880 : IF( hDirAC->hConfig->dec_param_estim == FALSE )
3144 : {
3145 1637592 : hSpatParamRendCom->elevation[tmp_write_idx_band][b] = ele_dith; /*Q0*/
3146 1637592 : move16();
3147 1637592 : hSpatParamRendCom->azimuth[tmp_write_idx_band][b] = azi_dith; /*Q0*/
3148 1637592 : move16();
3149 :
3150 1637592 : hSpatParamRendCom->diffuseness_vector_fx[tmp_write_idx_band][b] = diffuseness_fx[band]; /*Q30*/
3151 1637592 : move32();
3152 : }
3153 : ELSE
3154 : {
3155 10736440 : FOR( ts = ts_start; ts < ts_end; ts++ )
3156 : {
3157 8589152 : hSpatParamRendCom->elevation[tmp_write_idx_band][b] = ele_dith; /*Q0*/
3158 8589152 : move16();
3159 8589152 : hSpatParamRendCom->azimuth[tmp_write_idx_band][b] = azi_dith; /*Q0*/
3160 8589152 : move16();
3161 :
3162 8589152 : hSpatParamRendCom->diffuseness_vector_fx[tmp_write_idx_band][b] = diffuseness_fx[band]; /*Q30*/
3163 8589152 : move32();
3164 8589152 : tmp_write_idx_band = add( tmp_write_idx_band, 1 ) % hSpatParamRendCom->dirac_md_buffer_length; /*Q0*/
3165 8589152 : move16();
3166 : }
3167 : }
3168 : }
3169 2752640 : tmp_write_idx_param_band = add( tmp_write_idx_param_band, num_slots_in_subfr ) % hSpatParamRendCom->dirac_md_buffer_length;
3170 2752640 : move16();
3171 : }
3172 : }
3173 :
3174 : /* update buffer write index */
3175 86020 : IF( hDirAC->hConfig->dec_param_estim == FALSE )
3176 : {
3177 37218 : hDirAC->spar_to_dirac_write_idx = add( hDirAC->spar_to_dirac_write_idx, MAX_PARAM_SPATIAL_SUBFRAMES ) % hSpatParamRendCom->dirac_md_buffer_length; /*Q0*/
3178 37218 : move16();
3179 : }
3180 : ELSE
3181 : {
3182 48802 : hDirAC->spar_to_dirac_write_idx = add( hDirAC->spar_to_dirac_write_idx, CLDFB_NO_COL_MAX ) % hSpatParamRendCom->dirac_md_buffer_length; /*Q0*/
3183 48802 : move16();
3184 : }
3185 : }
3186 : ELSE
3187 : {
3188 52299 : band = end_band;
3189 52299 : move16();
3190 : }
3191 :
3192 : /*read DirAC metadata, convert DirAC to SPAR*/
3193 667921 : FOR( ; band < idiv1616( num_bands_out, bw ); band++ )
3194 : {
3195 : Word16 dirac_band_idx;
3196 :
3197 529602 : dirac_band_idx = sub( dirac_to_spar_md_bands[band], enc_param_start_band ); /*Q0*/
3198 :
3199 529602 : num_subframes = MAX_PARAM_SPATIAL_SUBFRAMES;
3200 529602 : move16();
3201 529602 : if ( st_ivas->hQMetaData->useLowerRes )
3202 : {
3203 44580 : num_subframes = 1;
3204 44580 : move16();
3205 : }
3206 :
3207 2514270 : FOR( block = 0; block < num_subframes; block++ )
3208 : {
3209 :
3210 1984668 : IF( st_ivas->hQMetaData->q_direction->band_data[dirac_band_idx].azimuth_fx[block] < 0 )
3211 : {
3212 589790 : st_ivas->hQMetaData->q_direction->band_data[dirac_band_idx].azimuth_fx[block] =
3213 294895 : L_add( L_shl( 360, 22 ), st_ivas->hQMetaData->q_direction->band_data[dirac_band_idx].azimuth_fx[block] ); /*Q22*/
3214 294895 : move32();
3215 : }
3216 :
3217 1984668 : azi_dirac_fx[band][block] = st_ivas->hQMetaData->q_direction->band_data[dirac_band_idx].azimuth_fx[block]; /*Q22*/
3218 1984668 : move32();
3219 1984668 : ele_dirac_fx[band][block] = st_ivas->hQMetaData->q_direction->band_data[dirac_band_idx].elevation_fx[block]; /*Q22*/
3220 1984668 : move32();
3221 : }
3222 :
3223 529602 : diffuseness_fx[band] = L_sub( ONE_IN_Q30, st_ivas->hQMetaData->q_direction->band_data[dirac_band_idx].energy_ratio_fx[0] ); /*Q30*/
3224 529602 : move32();
3225 : }
3226 :
3227 : /* DirAC MD averaged over 4 subframes and converted to SPAR format similar to encoder processing */
3228 138319 : IF( GT_16( hMdDec->spar_md_cfg.nchan_transport, 1 ) )
3229 : {
3230 : Word16 order;
3231 99865 : IF( hMdDec->spar_hoa_md_flag )
3232 : {
3233 10949 : order = 1;
3234 10949 : move16();
3235 : }
3236 : ELSE
3237 : {
3238 88916 : order = sba_order_internal;
3239 88916 : move16();
3240 : }
3241 99865 : 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 );
3242 :
3243 : /* temporarily copy frame-wise prediction coefficients in DirAC bands*/
3244 399460 : FOR( pred_idx = 0; pred_idx < FOA_CHANNELS - 1; pred_idx++ )
3245 : {
3246 1497975 : FOR( band = SPAR_DIRAC_SPLIT_START_BAND; band < IVAS_MAX_NUM_BANDS; band++ )
3247 : {
3248 1198380 : pred_re_20ms_fx[band][pred_idx] = hMdDec->spar_md.band_coeffs[band].pred_re_fx[pred_idx]; /*Q22*/
3249 1198380 : move32();
3250 : }
3251 : }
3252 : }
3253 :
3254 : Word16 num_md_sub_frames;
3255 138319 : 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 );
3256 :
3257 : Word16 order;
3258 138319 : IF( hMdDec->spar_hoa_md_flag )
3259 : {
3260 10949 : order = 1;
3261 10949 : move16();
3262 : }
3263 : ELSE
3264 : {
3265 127370 : order = sba_order_internal;
3266 127370 : move16();
3267 : }
3268 138319 : 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 );
3269 :
3270 138319 : test();
3271 138319 : IF( st_ivas->hQMetaData->useLowerRes && dtx_vad )
3272 : {
3273 56290 : FOR( band = SPAR_DIRAC_SPLIT_START_BAND; band < IVAS_MAX_NUM_BANDS; band++ )
3274 : {
3275 45032 : FOR( block = 1; block < num_md_sub_frames; block++ )
3276 : {
3277 0 : FOR( i = 0; i < FOA_CHANNELS - 1; i++ ) /* pred coefficient index (index 0, 1, 2 predicts Y, Z, X respectively) */
3278 : {
3279 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*/
3280 0 : move32();
3281 : }
3282 0 : FOR( i = 0; i < FOA_CHANNELS - 1; i++ ) /* pred coefficient index (index 0, 1, 2 predicts Y, Z, X respectively) */
3283 : {
3284 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*/
3285 0 : move32();
3286 : }
3287 : }
3288 : }
3289 : }
3290 :
3291 : /* expand DirAC TC 20ms MD for residual channels to all subframes*/
3292 657821 : FOR( block = 0; block < num_md_sub_frames; block++ )
3293 : {
3294 2597510 : FOR( band = SPAR_DIRAC_SPLIT_START_BAND; band < IVAS_MAX_NUM_BANDS; band++ )
3295 : {
3296 8312032 : FOR( pred_idx = 0; pred_idx < FOA_CHANNELS - 1; pred_idx++ ) /* pred coefficient index (index 0, 1, 2 predicts Y, Z, X respectively) */
3297 : {
3298 6234024 : IF( ivas_is_res_channel( add( pred_idx, 1 ), hMdDec->spar_md_cfg.nchan_transport ) )
3299 : {
3300 : /* use 20ms coefficients only for residual channels */
3301 3043008 : hMdDec->spar_md.band_coeffs[( band + ( block * IVAS_MAX_NUM_BANDS ) )].pred_re_fx[pred_idx] = pred_re_20ms_fx[band][pred_idx]; /*Q22*/
3302 3043008 : move32();
3303 : }
3304 : }
3305 : }
3306 : }
3307 :
3308 667921 : FOR( b = i_mult( end_band, bw ); b < num_bands_out; b++ )
3309 : {
3310 529602 : hMdDec->valid_bands[b] = 1;
3311 529602 : move16();
3312 : }
3313 :
3314 138319 : return;
3315 : }
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