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 <assert.h>
34 : #include "options.h"
35 : #include <stdint.h>
36 : #include "cnst.h"
37 : #include "rom_enc.h"
38 : #include "rom_com.h"
39 : #include "prot.h"
40 : #include "ivas_prot.h"
41 : #include "ivas_prot_rend.h"
42 : #include "ivas_cnst.h"
43 : #include "ivas_rom_com.h"
44 : #include "ivas_rom_dec.h"
45 : #include "math.h"
46 : #ifdef DEBUGGING
47 : #include "debug.h"
48 : #endif
49 : #ifdef DEBUG_PLOT
50 : #include "deb_out.h"
51 : #endif
52 : #include "wmc_auto.h"
53 : #include "rom_dec.h"
54 :
55 : /*-----------------------------------------------------------------------*
56 : * Local constants
57 : *-----------------------------------------------------------------------*/
58 :
59 : #define PARAM_MC_LOCAL_SZ_LFE_MAP 5
60 :
61 : /*-----------------------------------------------------------------------*
62 : * Local typedefs
63 : *-----------------------------------------------------------------------*/
64 :
65 : typedef struct parameter_band_mapping_struct
66 : {
67 : int16_t n_source_bands[20];
68 : int16_t source_band_idx[20][4];
69 : float source_band_factor[20][4];
70 :
71 : } PARAM_MC_PARAMETER_BAND_MAPPING;
72 :
73 : /*-----------------------------------------------------------------------*
74 : * Local function prototypes
75 : *-----------------------------------------------------------------------*/
76 :
77 : static void ivas_param_mc_dec_init( PARAM_MC_DEC_HANDLE hParamMC, const int16_t nchan_in, const int16_t nchan_out );
78 :
79 : static void param_mc_protoSignalComputation( float *RealBuffer, float *ImagBuffer, float *proto_frame_f, const PARAM_MC_DIFF_PROTO_INFO *diff_proto_info, const int16_t num_freq_bands );
80 :
81 : static void ivas_param_mc_dec_copy_diffuse_proto( PARAM_MC_DEC_HANDLE hParamMC, float Cldfb_buffer_real[MAX_LS_CHANNELS][PARAM_MC_MAX_NSLOTS_IN_SUBFRAME][CLDFB_NO_CHANNELS_MAX], float Cldfb_buffer_imag[MAX_LS_CHANNELS][PARAM_MC_MAX_NSLOTS_IN_SUBFRAME][CLDFB_NO_CHANNELS_MAX], const int16_t nY, const int16_t slot_idx );
82 :
83 : static int16_t ivas_param_mc_range_decoder_LC( uint16_t *bit_buffer, int16_t *x, int16_t *BER_detect, const int16_t sz_seq, const int16_t sz_alphabet, const uint16_t *cft, const uint16_t *sft, const int16_t tot_shift, const int16_t nbbits );
84 :
85 : static int16_t ivas_param_mc_uniform_decoder( float *seq, const int16_t sz_seq, const float *alphabet, const int16_t N, uint16_t bit_buffer[PARAM_MC_MAX_BITS] );
86 :
87 : static void ivas_param_mc_dequantize_cov( PARAM_MC_DEC_HANDLE hDirAC, float *ild_q, float *icc_q, const int16_t param_band_index, const int16_t nY_int, const PARAM_MC_SYNTHESIS_CONF synth_conf, const int16_t nY, const int16_t nX, float *Cx_state, float *Cproto, float *Cy_state );
88 :
89 : static void ivas_param_mc_get_mixing_matrices( PARAM_MC_DEC_HANDLE hParamMC, IVAS_OUTPUT_SETUP *hSynthesisOutputSetup, float Cx_in[PARAM_MC_MAX_TRANSPORT_CHANS * PARAM_MC_MAX_TRANSPORT_CHANS], const int16_t param_band_idx, float *mixing_matrix[], float *mixing_matrix_res[], const int16_t nY_int, const PARAM_MC_SYNTHESIS_CONF synth_conf, const int16_t nX, const int16_t nY );
90 :
91 : static void param_mc_update_mixing_matrices( PARAM_MC_DEC_HANDLE hParamMC, float *mixing_matrix[], float *mixing_matrix_res[], const uint16_t nX, const uint16_t nY );
92 :
93 : static void ivas_param_mc_dec_compute_interpolator( const uint16_t bAttackPresent, const uint16_t attackPos, const uint16_t interp_length, float *interpolator );
94 :
95 : static void param_mc_set_num_synth_bands( const int32_t output_Fs, PARAM_MC_DEC_HANDLE hParamMC );
96 :
97 : static ivas_error param_mc_get_diff_proto_info( const float *proto_mtx, const uint16_t nchan_transport, const uint16_t nchan_out_cov, PARAM_MC_DIFF_PROTO_INFO *p_diff_proto_info );
98 :
99 : static void ivas_param_mc_get_param_band_mapping( const int16_t n_target_bands, const int16_t *target_band_grouping, const int16_t n_source_bands, const int16_t *source_band_grouping, PARAM_MC_PARAMETER_BAND_MAPPING *parameter_band_mapping );
100 :
101 : static void ivas_param_mc_bs_decode_parameter_values( uint16_t bit_buffer[], int16_t *bit_pos, const int16_t max_bits, int16_t *BER_detect, HANDLE_IVAS_PARAM_MC_METADATA hMetadataPMC, HANDLE_PARAM_MC_PARAMETER_CODING_INFO hParamCodingInfo, const int16_t map_size_wo_lfe, const int16_t map_size, const int16_t num_lfe_bands, const int16_t band_step, const int16_t num_param_bands, float *value_buffer );
102 :
103 : /*-------------------------------------------------------------------------
104 : * ivas_param_mc_dec_open()
105 : *
106 : * Open Parametric MC decoder handle
107 : *-------------------------------------------------------------------------*/
108 :
109 2403 : ivas_error ivas_param_mc_dec_open(
110 : Decoder_Struct *st_ivas /* i/o: IVAS decoder structure */
111 : )
112 : {
113 : int16_t k, nchan_transport;
114 : PARAM_MC_DEC_HANDLE hParamMC;
115 : int16_t nchan_out_transport;
116 : int16_t nchan_out_cov;
117 : float proto_matrix[MAX_LS_CHANNELS * PARAM_MC_MAX_TRANSPORT_CHANS];
118 : float proto_mtx_norm;
119 : int16_t max_param_band_residual;
120 : uint16_t config_index;
121 : MC_LS_SETUP mc_ls_setup;
122 : float frequency_axis[CLDFB_NO_CHANNELS_MAX];
123 : AUDIO_CONFIG output_config;
124 : int32_t output_Fs, ivas_total_brate;
125 : ivas_error error;
126 :
127 2403 : error = IVAS_ERR_OK;
128 :
129 : /*-----------------------------------------------------------------*
130 : * prepare library opening
131 : *-----------------------------------------------------------------*/
132 :
133 2403 : if ( ( hParamMC = (PARAM_MC_DEC_HANDLE) malloc( sizeof( PARAM_MC_DEC_DATA ) ) ) == NULL )
134 : {
135 0 : return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for Parametric MC\n" ) );
136 : }
137 :
138 2403 : if ( ( hParamMC->hMetadataPMC = (HANDLE_IVAS_PARAM_MC_METADATA) malloc( sizeof( IVAS_PARAM_MC_METADATA ) ) ) == NULL )
139 : {
140 0 : return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for Parametric MC metadata \n" ) );
141 : }
142 :
143 2403 : output_Fs = st_ivas->hDecoderConfig->output_Fs;
144 2403 : output_config = st_ivas->hDecoderConfig->output_config;
145 2403 : ivas_total_brate = st_ivas->hDecoderConfig->ivas_total_brate;
146 2403 : mc_ls_setup = ivas_mc_map_output_config_to_mc_ls_setup( st_ivas->transport_config );
147 2403 : nchan_out_transport = st_ivas->hTransSetup.nchan_out_woLFE + st_ivas->hTransSetup.num_lfe;
148 2403 : hParamMC->hoa_encoder = NULL;
149 :
150 : /* determine the synthesis config */
151 2403 : if ( st_ivas->renderer_type == RENDERER_SBA_LINEAR_ENC || st_ivas->renderer_type == RENDERER_BINAURAL_FASTCONV || st_ivas->renderer_type == RENDERER_BINAURAL_FASTCONV_ROOM || st_ivas->renderer_type == RENDERER_BINAURAL_OBJECTS_TD || st_ivas->transport_config == output_config || output_config == IVAS_AUDIO_CONFIG_EXTERNAL )
152 : {
153 1728 : hParamMC->synthesis_conf = PARAM_MC_SYNTH_DIRECT;
154 : }
155 675 : else if ( output_config == IVAS_AUDIO_CONFIG_MONO || output_config == IVAS_AUDIO_CONFIG_STEREO )
156 : {
157 174 : hParamMC->synthesis_conf = PARAM_MC_SYNTH_MONO_STEREO;
158 : }
159 501 : else if ( st_ivas->transport_config != output_config )
160 : {
161 501 : if ( ( output_config != IVAS_AUDIO_CONFIG_LS_CUSTOM && nchan_out_transport > audioCfg2channels( output_config ) ) || ( output_config == IVAS_AUDIO_CONFIG_LS_CUSTOM && nchan_out_transport > st_ivas->hOutSetup.nchan_out_woLFE ) )
162 : {
163 111 : hParamMC->synthesis_conf = PARAM_MC_SYNTH_LS_CONV_COV;
164 : /* need to reset the intern config */
165 111 : st_ivas->intern_config = output_config;
166 111 : ivas_output_init( &( st_ivas->hIntSetup ), st_ivas->intern_config );
167 111 : if ( output_config == IVAS_AUDIO_CONFIG_LS_CUSTOM )
168 : {
169 0 : st_ivas->hIntSetup.nchan_out_woLFE = st_ivas->hLsSetupCustom->num_spk;
170 0 : st_ivas->hIntSetup.ls_azimuth = st_ivas->hLsSetupCustom->ls_azimuth;
171 0 : st_ivas->hIntSetup.ls_elevation = st_ivas->hLsSetupCustom->ls_elevation;
172 : }
173 : }
174 : else
175 : {
176 390 : hParamMC->synthesis_conf = PARAM_MC_SYNTH_LS_CONV_CLDFB;
177 : }
178 : }
179 :
180 2403 : hParamMC->ls_conv_dmx_matrix = NULL;
181 :
182 2403 : if ( hParamMC->synthesis_conf == PARAM_MC_SYNTH_LS_CONV_COV || hParamMC->synthesis_conf == PARAM_MC_SYNTH_MONO_STEREO )
183 : {
184 285 : nchan_out_cov = st_ivas->hOutSetup.nchan_out_woLFE + st_ivas->hOutSetup.num_lfe;
185 : }
186 : else
187 : {
188 2118 : nchan_out_cov = nchan_out_transport;
189 : }
190 :
191 2403 : st_ivas->nchan_transport = ivas_param_mc_getNumTransportChannels( ivas_total_brate, mc_ls_setup );
192 2403 : config_index = ivas_param_mc_get_configuration_index( mc_ls_setup, ivas_total_brate );
193 2403 : nchan_transport = st_ivas->nchan_transport;
194 :
195 2403 : switch ( nchan_transport )
196 : {
197 596 : case 4:
198 : case 3:
199 596 : st_ivas->nCPE = 2;
200 596 : st_ivas->nSCE = 0;
201 596 : st_ivas->element_mode_init = IVAS_CPE_MDCT;
202 596 : break;
203 1807 : case 2:
204 1807 : st_ivas->nCPE = 1;
205 1807 : st_ivas->nSCE = 0;
206 1807 : st_ivas->element_mode_init = IVAS_CPE_MDCT;
207 :
208 1807 : break;
209 : #ifdef DEBUGGING
210 : default:
211 : assert( 0 && "Number of TC not supported for Parametric MC!" );
212 : #endif
213 : }
214 :
215 : /*-----------------------------------------------------------------*
216 : * set input parameters
217 : *-----------------------------------------------------------------*/
218 :
219 2403 : hParamMC->slot_size = (int16_t) ( output_Fs / FRAMES_PER_SEC ) / CLDFB_NO_COL_MAX;
220 2403 : set_s( hParamMC->subframe_nbslots, 0, MAX_JBM_SUBFRAMES_5MS );
221 2403 : set_s( hParamMC->subframe_nbslots, PARAM_MC_MAX_NSLOTS_IN_SUBFRAME, DEFAULT_JBM_SUBFRAMES_5MS );
222 2403 : hParamMC->nb_subframes = DEFAULT_JBM_SUBFRAMES_5MS;
223 :
224 2403 : hParamMC->num_freq_bands = (int16_t) ( output_Fs * INV_CLDFB_BANDWIDTH + 0.5f );
225 2403 : hParamMC->max_band_energy_compensation = hParamMC->num_freq_bands;
226 2403 : ivas_param_mc_metadata_open( mc_ls_setup, ivas_total_brate, hParamMC->hMetadataPMC );
227 :
228 : /* init arrays for quantized parameters */
229 2403 : if ( ( hParamMC->icc_q = (float *) malloc( hParamMC->hMetadataPMC->num_parameter_bands * hParamMC->hMetadataPMC->icc_mapping_conf->icc_map_size_lfe * sizeof( float ) ) ) == NULL )
230 : {
231 0 : return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for Parametric MC\n" ) );
232 : }
233 2403 : if ( ( hParamMC->icld_q = (float *) malloc( hParamMC->hMetadataPMC->num_parameter_bands * hParamMC->hMetadataPMC->ild_mapping_conf->ild_map_size_lfe * sizeof( float ) ) ) == NULL )
234 : {
235 0 : return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for Parametric MC\n" ) );
236 : }
237 2403 : set_f( hParamMC->icld_q, PARAM_MC_DEFAULT_MIN_ILD, hParamMC->hMetadataPMC->num_parameter_bands * hParamMC->hMetadataPMC->ild_mapping_conf->ild_map_size_lfe );
238 2403 : set_f( hParamMC->icc_q, 0.0f, hParamMC->hMetadataPMC->num_parameter_bands * hParamMC->hMetadataPMC->icc_mapping_conf->icc_map_size_lfe );
239 :
240 2403 : param_mc_set_num_synth_bands( output_Fs, hParamMC );
241 :
242 : /* Band Grouping */
243 2403 : if ( hParamMC->hMetadataPMC->num_parameter_bands == 20 )
244 : {
245 294 : mvs2s( param_mc_band_grouping_20, hParamMC->band_grouping, 20 + 1 );
246 : }
247 2109 : else if ( hParamMC->hMetadataPMC->num_parameter_bands == 14 )
248 : {
249 1300 : mvs2s( param_mc_band_grouping_14, hParamMC->band_grouping, 14 + 1 );
250 : }
251 809 : else if ( hParamMC->hMetadataPMC->num_parameter_bands == 10 )
252 : {
253 809 : mvs2s( param_mc_band_grouping_10, hParamMC->band_grouping, 10 + 1 );
254 : }
255 : else
256 : {
257 0 : assert( 0 && "nbands must be 20, 14, or 10!" );
258 : }
259 :
260 : /* set max parameter band for abs cov */
261 2403 : k = 0;
262 23000 : while ( hParamMC->band_grouping[k] <= PARAM_MC_MAX_BAND_ABS_COV_DEC )
263 : {
264 20597 : hParamMC->max_param_band_abs_cov = ( k++ );
265 : }
266 :
267 : /*-----------------------------------------------------------------*
268 : * open sub-modules
269 : *-----------------------------------------------------------------*/
270 :
271 : /* prototype signal computation */
272 :
273 2403 : if ( hParamMC->synthesis_conf == PARAM_MC_SYNTH_LS_CONV_CLDFB || hParamMC->synthesis_conf == PARAM_MC_SYNTH_LS_CONV_COV || hParamMC->synthesis_conf == PARAM_MC_SYNTH_MONO_STEREO )
274 : {
275 675 : if ( ( error = ivas_ls_setup_conversion_open( st_ivas ) ) != IVAS_ERR_OK )
276 : {
277 0 : return error;
278 : }
279 :
280 : /* convert the ls conv dmx matrix into column order matrix format (nchan_out_cldfb x nchan_out) */
281 675 : if ( hParamMC->synthesis_conf == PARAM_MC_SYNTH_LS_CONV_COV || hParamMC->synthesis_conf == PARAM_MC_SYNTH_MONO_STEREO )
282 : {
283 285 : if ( ( hParamMC->ls_conv_dmx_matrix = (float *) malloc( nchan_out_transport * nchan_out_cov * sizeof( float ) ) ) == NULL )
284 : {
285 0 : return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for Parametric MC\n" ) );
286 : }
287 :
288 2781 : for ( k = 0; k < nchan_out_transport; k++ )
289 : {
290 2496 : mvr2r( st_ivas->hLsSetUpConversion->dmxMtx[k], &hParamMC->ls_conv_dmx_matrix[k * nchan_out_cov], nchan_out_cov );
291 : }
292 :
293 : /* convert ParamMC parameter bands to SFB */
294 285 : if ( hParamMC->synthesis_conf == PARAM_MC_SYNTH_MONO_STEREO )
295 : {
296 174 : st_ivas->hLsSetUpConversion->sfbCnt = hParamMC->num_param_bands_synth;
297 2590 : for ( k = 0; k <= hParamMC->num_param_bands_synth; k++ )
298 : {
299 2416 : st_ivas->hLsSetUpConversion->sfbOffset[k] = PARAM_MC_BAND_TO_MDCT_BAND_RATIO * hParamMC->band_grouping[k];
300 : }
301 : }
302 : else
303 : {
304 : /* close the ls conversion handle immediately, it was only needed to get the DMX matrix in case of DMX in the covariance domain */
305 111 : ivas_ls_setup_conversion_close( &st_ivas->hLsSetUpConversion );
306 : }
307 : }
308 : }
309 :
310 2403 : if ( ( hParamMC->proto_matrix_int = (float *) malloc( nchan_out_transport * nchan_transport * sizeof( float ) ) ) == NULL )
311 : {
312 0 : return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for Parametric MC\n" ) );
313 : }
314 2403 : mvr2r( ivas_param_mc_conf[config_index].dmx_fac, hParamMC->proto_matrix_int, nchan_transport * nchan_out_transport );
315 :
316 2403 : if ( hParamMC->synthesis_conf == PARAM_MC_SYNTH_LS_CONV_COV || hParamMC->synthesis_conf == PARAM_MC_SYNTH_MONO_STEREO )
317 : {
318 285 : matrix_product( hParamMC->ls_conv_dmx_matrix, nchan_out_cov, nchan_out_transport, 0, ivas_param_mc_conf[config_index].dmx_fac, nchan_out_transport, nchan_transport, 0, proto_matrix );
319 :
320 285 : if ( hParamMC->synthesis_conf == PARAM_MC_SYNTH_MONO_STEREO )
321 : {
322 174 : proto_mtx_norm = 1.f;
323 804 : for ( k = 0; k < nchan_transport * nchan_out_cov; k++ )
324 : {
325 630 : proto_mtx_norm = max( fabsf( proto_mtx_norm ), fabsf( proto_matrix[k] ) );
326 : }
327 174 : proto_mtx_norm = 1.f / proto_mtx_norm;
328 :
329 : /* transfer flattened proto_matrix to 2D in hLsSetupConversion->dmxMtx */
330 588 : for ( k = 0; k < nchan_transport; k++ )
331 : {
332 1044 : for ( int16_t i = 0; i < nchan_out_cov; i++ )
333 : {
334 630 : st_ivas->hLsSetUpConversion->dmxMtx[k][i] = proto_matrix[k * nchan_out_cov + i] * proto_mtx_norm;
335 : }
336 : }
337 : }
338 : }
339 : else
340 : {
341 2118 : mvr2r( ivas_param_mc_conf[config_index].dmx_fac, proto_matrix, nchan_out_transport * nchan_transport );
342 : }
343 :
344 2403 : if ( hParamMC->synthesis_conf == PARAM_MC_SYNTH_MONO_STEREO )
345 : {
346 174 : hParamMC->num_outputs_diff = 0;
347 174 : hParamMC->diff_proto_info = NULL;
348 174 : hParamMC->h_output_synthesis_params.use_onset_filters = 0;
349 174 : hParamMC->max_band_decorr = 0;
350 174 : hParamMC->h_freq_domain_decorr_ap_params = NULL;
351 174 : hParamMC->h_freq_domain_decorr_ap_state = NULL;
352 : }
353 : else
354 : {
355 2229 : hParamMC->num_outputs_diff = nchan_out_cov;
356 2229 : if ( ( hParamMC->diff_proto_info = (PARAM_MC_DIFF_PROTO_INFO *) malloc( sizeof( PARAM_MC_DIFF_PROTO_INFO ) ) ) == NULL )
357 : {
358 0 : return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for Parametric MC\n" ) );
359 : }
360 :
361 2229 : if ( ( error = param_mc_get_diff_proto_info( proto_matrix, nchan_transport, nchan_out_cov, hParamMC->diff_proto_info ) ) != IVAS_ERR_OK )
362 : {
363 0 : return error;
364 : }
365 :
366 : /* decorrelation */
367 2229 : hParamMC->h_freq_domain_decorr_ap_params = NULL;
368 2229 : hParamMC->h_freq_domain_decorr_ap_state = NULL;
369 :
370 2229 : ivas_dirac_dec_get_frequency_axis( frequency_axis, output_Fs, hParamMC->num_freq_bands );
371 :
372 2229 : if ( ( error = ivas_dirac_dec_decorr_open( &( hParamMC->h_freq_domain_decorr_ap_params ), &( hParamMC->h_freq_domain_decorr_ap_state ), hParamMC->num_freq_bands, hParamMC->num_outputs_diff, hParamMC->diff_proto_info->num_protos_diff,
373 : DIRAC_SYNTHESIS_COV_MC_LS, frequency_axis, nchan_transport, output_Fs ) ) != IVAS_ERR_OK )
374 : {
375 0 : return error;
376 : }
377 :
378 2229 : hParamMC->h_output_synthesis_params.use_onset_filters = 0;
379 2229 : hParamMC->max_band_decorr = hParamMC->h_freq_domain_decorr_ap_params->max_band_decorr;
380 : }
381 2403 : hParamMC->max_band_energy_compensation = hParamMC->band_grouping[hParamMC->hMetadataPMC->nbands_coded];
382 2403 : max_param_band_residual = 0;
383 :
384 11599 : for ( k = hParamMC->hMetadataPMC->num_parameter_bands; k >= 0; k-- )
385 : {
386 11599 : if ( hParamMC->band_grouping[k] <= hParamMC->max_band_decorr )
387 : {
388 2403 : max_param_band_residual = k;
389 2403 : assert( hParamMC->band_grouping[k] == hParamMC->max_band_decorr );
390 2403 : break;
391 : }
392 : }
393 :
394 : /* output synthesis */
395 2403 : if ( ( error = ivas_dirac_dec_output_synthesis_cov_open( &( hParamMC->h_output_synthesis_params ), &( hParamMC->h_output_synthesis_cov_state ), hParamMC->max_band_decorr, PARAM_MC_MAX_NSLOTS,
396 2403 : hParamMC->hMetadataPMC->num_parameter_bands, max_param_band_residual, nchan_transport, nchan_out_cov, proto_matrix ) ) != IVAS_ERR_OK )
397 : {
398 0 : return error;
399 : }
400 :
401 2403 : ivas_param_mc_dec_compute_interpolator( 0, 0, DEFAULT_JBM_CLDFB_TIMESLOTS, hParamMC->h_output_synthesis_params.interpolator );
402 :
403 : /* Head or external rotation */
404 2403 : if ( ( st_ivas->renderer_type == RENDERER_BINAURAL_FASTCONV || st_ivas->renderer_type == RENDERER_BINAURAL_FASTCONV_ROOM ) && ( st_ivas->hDecoderConfig->Opt_Headrotation || st_ivas->hDecoderConfig->Opt_ExternalOrientation ) )
405 : {
406 107 : if ( ( hParamMC->hoa_encoder = (float *) malloc( st_ivas->hTransSetup.nchan_out_woLFE * MAX_INTERN_CHANNELS * sizeof( float ) ) ) == NULL )
407 : {
408 0 : return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for Parametric MC\n" ) );
409 : }
410 107 : compute_hoa_encoder_mtx( st_ivas->hTransSetup.ls_azimuth, st_ivas->hTransSetup.ls_elevation, hParamMC->hoa_encoder, st_ivas->hTransSetup.nchan_out_woLFE, HEAD_ROTATION_HOA_ORDER );
411 : }
412 :
413 : /*-----------------------------------------------------------------*
414 : * memory allocation
415 : *-----------------------------------------------------------------*/
416 :
417 2403 : if ( hParamMC->max_band_decorr > 0 )
418 : {
419 2229 : if ( ( hParamMC->proto_frame_f = (float *) malloc( 2 * hParamMC->diff_proto_info->num_protos_diff * hParamMC->num_freq_bands * sizeof( float ) ) ) == NULL )
420 : {
421 0 : return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for Parametric MC\n" ) );
422 : }
423 :
424 2229 : if ( ( hParamMC->proto_frame_dec_f = (float *) malloc( 2 * nchan_out_cov * hParamMC->num_freq_bands * sizeof( float ) ) ) == NULL )
425 : {
426 0 : return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for Parametric MC\n" ) );
427 : }
428 : }
429 : else
430 : {
431 174 : hParamMC->proto_frame_f = NULL;
432 174 : hParamMC->proto_frame_dec_f = NULL;
433 : }
434 :
435 2403 : ivas_param_mc_dec_init( hParamMC, nchan_transport, nchan_out_cov );
436 :
437 2403 : if ( hParamMC->synthesis_conf != PARAM_MC_SYNTH_MONO_STEREO )
438 : {
439 : int16_t n_cldfb_slots;
440 : int16_t granularity;
441 :
442 2229 : n_cldfb_slots = DEFAULT_JBM_CLDFB_TIMESLOTS;
443 2229 : if ( st_ivas->hDecoderConfig->Opt_tsm )
444 : {
445 715 : n_cldfb_slots = MAX_JBM_CLDFB_TIMESLOTS;
446 : }
447 :
448 2229 : if ( ( hParamMC->Cldfb_RealBuffer_tc = (float *) malloc( n_cldfb_slots * nchan_transport * hParamMC->num_freq_bands * sizeof( float ) ) ) == NULL )
449 : {
450 0 : return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for Parametric MC JBM\n" ) );
451 : }
452 2229 : set_zero( hParamMC->Cldfb_RealBuffer_tc, n_cldfb_slots * nchan_transport * hParamMC->num_freq_bands );
453 :
454 2229 : if ( ( hParamMC->Cldfb_ImagBuffer_tc = (float *) malloc( n_cldfb_slots * nchan_transport * hParamMC->num_freq_bands * sizeof( float ) ) ) == NULL )
455 : {
456 0 : return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for Parametric MC JBM\n" ) );
457 : }
458 2229 : set_zero( hParamMC->Cldfb_ImagBuffer_tc, n_cldfb_slots * nchan_transport * hParamMC->num_freq_bands );
459 :
460 2229 : if ( st_ivas->hTcBuffer == NULL )
461 : {
462 1266 : granularity = ivas_jbm_dec_get_render_granularity( st_ivas->renderer_type, RENDERER_DISABLE, output_Fs );
463 :
464 1266 : if ( ( error = ivas_jbm_dec_tc_buffer_open( st_ivas, TC_BUFFER_MODE_RENDERER, nchan_transport, nchan_transport, 0, granularity ) ) != IVAS_ERR_OK )
465 : {
466 0 : return error;
467 : }
468 : }
469 : }
470 : else
471 : {
472 174 : hParamMC->Cldfb_RealBuffer_tc = NULL;
473 174 : hParamMC->Cldfb_ImagBuffer_tc = NULL;
474 : }
475 :
476 2403 : hParamMC->subframes_rendered = 0;
477 2403 : hParamMC->slots_rendered = 0;
478 :
479 2403 : st_ivas->hParamMC = hParamMC;
480 :
481 2403 : return error;
482 : }
483 :
484 :
485 : /*-------------------------------------------------------------------------
486 : * ivas_param_mc_get_param_band_mapping()
487 : *
488 : *
489 : *-------------------------------------------------------------------------*/
490 :
491 237 : static void ivas_param_mc_get_param_band_mapping(
492 : const int16_t n_target_bands,
493 : const int16_t *target_band_grouping,
494 : const int16_t n_source_bands,
495 : const int16_t *source_band_grouping,
496 : PARAM_MC_PARAMETER_BAND_MAPPING *parameter_band_mapping )
497 : {
498 : int16_t target_band_idx;
499 237 : int16_t source_band_idx = 0;
500 : int16_t source_band_cnt_total;
501 :
502 3099 : for ( target_band_idx = 0; target_band_idx < n_target_bands; target_band_idx++ )
503 : {
504 2862 : int16_t upper = target_band_grouping[target_band_idx + 1];
505 2862 : int16_t lower = target_band_grouping[target_band_idx];
506 2862 : int16_t source_band_in_target_band_cnt = 0;
507 2862 : float norm_fac = 1.0f;
508 2862 : source_band_cnt_total = 0;
509 16350 : for ( source_band_idx = 0; source_band_idx < n_source_bands; source_band_idx++ )
510 : {
511 : /* find lowest corresponding source band*/
512 16350 : if ( source_band_grouping[source_band_idx] <= lower && source_band_grouping[source_band_idx + 1] >= lower )
513 : {
514 : do
515 : {
516 7278 : int16_t source_bands_in_target_band = min( source_band_grouping[source_band_idx + 1], upper ) - max( source_band_grouping[source_band_idx], lower );
517 7278 : if ( source_bands_in_target_band )
518 : {
519 3816 : source_band_cnt_total += source_bands_in_target_band;
520 3816 : parameter_band_mapping->source_band_idx[target_band_idx][source_band_in_target_band_cnt] = source_band_idx;
521 3816 : parameter_band_mapping->source_band_factor[target_band_idx][source_band_in_target_band_cnt++] = (float) source_bands_in_target_band;
522 : }
523 7278 : source_band_idx++;
524 7278 : } while ( source_band_grouping[source_band_idx] <= upper && source_band_idx < n_source_bands );
525 2862 : break;
526 : }
527 : }
528 2862 : norm_fac = 1.0f / ( (float) source_band_cnt_total );
529 6678 : for ( source_band_idx = 0; source_band_idx < source_band_in_target_band_cnt; source_band_idx++ )
530 : {
531 :
532 3816 : parameter_band_mapping->source_band_factor[target_band_idx][source_band_idx] *= norm_fac;
533 : }
534 2862 : parameter_band_mapping->n_source_bands[target_band_idx] = source_band_in_target_band_cnt;
535 : }
536 :
537 237 : return;
538 : }
539 :
540 :
541 : /*-------------------------------------------------------------------------
542 : * ivas_param_mc_dec_reconfig()
543 : *
544 : * Reconfiguration of ParamMC decoder
545 : *-------------------------------------------------------------------------*/
546 :
547 237 : ivas_error ivas_param_mc_dec_reconfig(
548 : Decoder_Struct *st_ivas /* i/o: IVAS decoder structure */
549 : )
550 : {
551 : int16_t k, nchan_transport;
552 : PARAM_MC_DEC_HANDLE hParamMC;
553 : int16_t nchan_out_transport;
554 : int16_t nchan_out_cov;
555 : float proto_matrix[MAX_LS_CHANNELS * PARAM_MC_MAX_TRANSPORT_CHANS];
556 : float proto_mtx_norm;
557 : int16_t max_param_band_residual;
558 : uint16_t config_index;
559 : MC_LS_SETUP mc_ls_setup;
560 : float frequency_axis[CLDFB_NO_CHANNELS_MAX];
561 : int32_t output_Fs, ivas_total_brate;
562 : ivas_error error;
563 : int16_t nchan_transport_old;
564 : int16_t num_param_bands_old;
565 : PARAM_MC_PARAMETER_BAND_MAPPING parameter_band_mapping;
566 : int16_t band_grouping_old[20 + 1];
567 :
568 237 : error = IVAS_ERR_OK;
569 237 : hParamMC = st_ivas->hParamMC;
570 :
571 : /* save important config information from the previous state */
572 237 : nchan_transport_old = st_ivas->nchan_transport;
573 237 : num_param_bands_old = hParamMC->hMetadataPMC->num_parameter_bands;
574 :
575 : /*-----------------------------------------------------------------*
576 : * prepare library opening
577 : *-----------------------------------------------------------------*/
578 :
579 237 : output_Fs = st_ivas->hDecoderConfig->output_Fs;
580 237 : ivas_total_brate = st_ivas->hDecoderConfig->ivas_total_brate;
581 237 : mc_ls_setup = ivas_mc_map_output_config_to_mc_ls_setup( st_ivas->transport_config );
582 237 : nchan_out_transport = st_ivas->hTransSetup.nchan_out_woLFE + st_ivas->hTransSetup.num_lfe;
583 :
584 237 : if ( hParamMC->synthesis_conf == PARAM_MC_SYNTH_LS_CONV_COV || hParamMC->synthesis_conf == PARAM_MC_SYNTH_MONO_STEREO )
585 : {
586 0 : nchan_out_cov = st_ivas->hOutSetup.nchan_out_woLFE + st_ivas->hOutSetup.num_lfe;
587 : }
588 : else
589 : {
590 237 : nchan_out_cov = nchan_out_transport;
591 : }
592 :
593 237 : st_ivas->nchan_transport = ivas_param_mc_getNumTransportChannels( ivas_total_brate, mc_ls_setup );
594 237 : config_index = ivas_param_mc_get_configuration_index( mc_ls_setup, ivas_total_brate );
595 237 : nchan_transport = st_ivas->nchan_transport;
596 :
597 237 : switch ( nchan_transport )
598 : {
599 0 : case 4:
600 : case 3:
601 0 : st_ivas->nCPE = 2;
602 0 : st_ivas->nSCE = 0;
603 0 : st_ivas->element_mode_init = IVAS_CPE_MDCT;
604 0 : break;
605 237 : case 2:
606 237 : st_ivas->nCPE = 1;
607 237 : st_ivas->nSCE = 0;
608 237 : st_ivas->element_mode_init = IVAS_CPE_MDCT;
609 :
610 237 : break;
611 : #ifdef DEBUGGING
612 : default:
613 : assert( 0 && "Number of TC not supported for Parametric MC!" );
614 : #endif
615 : }
616 :
617 : /*-----------------------------------------------------------------*
618 : * set input parameters
619 : *-----------------------------------------------------------------*/
620 :
621 237 : hParamMC->num_freq_bands = (int16_t) ( output_Fs * INV_CLDFB_BANDWIDTH + 0.5f );
622 237 : hParamMC->max_band_energy_compensation = hParamMC->num_freq_bands;
623 :
624 237 : mvs2s( hParamMC->band_grouping, band_grouping_old, hParamMC->hMetadataPMC->num_parameter_bands + 1 );
625 :
626 237 : ivas_param_mc_metadata_open( mc_ls_setup, ivas_total_brate, hParamMC->hMetadataPMC );
627 :
628 : /* Band Grouping */
629 237 : if ( hParamMC->hMetadataPMC->num_parameter_bands == 20 )
630 : {
631 0 : mvs2s( param_mc_band_grouping_20, hParamMC->band_grouping, 20 + 1 );
632 : }
633 237 : else if ( hParamMC->hMetadataPMC->num_parameter_bands == 14 )
634 : {
635 123 : mvs2s( param_mc_band_grouping_14, hParamMC->band_grouping, 14 + 1 );
636 : }
637 114 : else if ( hParamMC->hMetadataPMC->num_parameter_bands == 10 )
638 : {
639 114 : mvs2s( param_mc_band_grouping_10, hParamMC->band_grouping, 10 + 1 );
640 : }
641 : else
642 : {
643 0 : assert( 0 && "nbands must be 20, 14, or 10!" );
644 : }
645 :
646 237 : ivas_param_mc_get_param_band_mapping( hParamMC->hMetadataPMC->num_parameter_bands, hParamMC->band_grouping, num_param_bands_old, band_grouping_old, ¶meter_band_mapping );
647 :
648 237 : if ( nchan_transport_old != nchan_transport || num_param_bands_old != hParamMC->hMetadataPMC->num_parameter_bands )
649 : {
650 228 : float *ild_q_old = hParamMC->icld_q;
651 228 : float *icc_q_old = hParamMC->icc_q;
652 :
653 :
654 : /* init arrays for the quantized parameters */
655 228 : if ( ( hParamMC->icc_q = (float *) malloc( hParamMC->hMetadataPMC->num_parameter_bands * hParamMC->hMetadataPMC->icc_mapping_conf->icc_map_size_lfe * sizeof( float ) ) ) == NULL )
656 : {
657 0 : return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for Parametric MC\n" ) );
658 : }
659 228 : if ( ( hParamMC->icld_q = (float *) malloc( hParamMC->hMetadataPMC->num_parameter_bands * hParamMC->hMetadataPMC->ild_mapping_conf->ild_map_size_lfe * sizeof( float ) ) ) == NULL )
660 : {
661 0 : return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for Parametric MC\n" ) );
662 : }
663 228 : set_f( hParamMC->icld_q, PARAM_MC_DEFAULT_MIN_ILD, hParamMC->hMetadataPMC->num_parameter_bands * hParamMC->hMetadataPMC->ild_mapping_conf->ild_map_size_lfe );
664 228 : set_f( hParamMC->icc_q, 0.0f, hParamMC->hMetadataPMC->num_parameter_bands * hParamMC->hMetadataPMC->icc_mapping_conf->icc_map_size_lfe );
665 :
666 : /* map old to new parameter banding, only for same number of TCs, needs some more thought for a changing number of TCs */
667 228 : if ( num_param_bands_old != hParamMC->hMetadataPMC->num_parameter_bands && nchan_transport_old == nchan_transport )
668 : {
669 : int16_t new_param_band_idx, param_idx, source_param_idx;
670 : int16_t num_param_lfe;
671 222 : float *p_icc_new = hParamMC->icc_q;
672 222 : float *p_ild_new = hParamMC->icld_q;
673 :
674 : /* ICC */
675 222 : num_param_lfe = hParamMC->hMetadataPMC->icc_mapping_conf->icc_map_size_lfe;
676 2874 : for ( new_param_band_idx = 0; new_param_band_idx < hParamMC->hMetadataPMC->num_parameter_bands; new_param_band_idx++ )
677 : {
678 16032 : for ( param_idx = 0; param_idx < num_param_lfe; param_idx++ )
679 : {
680 13380 : *p_icc_new = 0.0f;
681 31332 : for ( source_param_idx = 0; source_param_idx < parameter_band_mapping.n_source_bands[new_param_band_idx]; source_param_idx++ )
682 : {
683 17952 : *p_icc_new += icc_q_old[parameter_band_mapping.source_band_idx[new_param_band_idx][source_param_idx] * num_param_lfe + param_idx] * parameter_band_mapping.source_band_factor[new_param_band_idx][source_param_idx];
684 : }
685 13380 : p_icc_new++;
686 : }
687 : }
688 :
689 : /* ILD */
690 222 : num_param_lfe = hParamMC->hMetadataPMC->ild_mapping_conf->ild_map_size_lfe;
691 2874 : for ( new_param_band_idx = 0; new_param_band_idx < hParamMC->hMetadataPMC->num_parameter_bands; new_param_band_idx++ )
692 : {
693 18684 : for ( param_idx = 0; param_idx < num_param_lfe; param_idx++ )
694 : {
695 16032 : *p_ild_new = 0.0f;
696 37536 : for ( source_param_idx = 0; source_param_idx < parameter_band_mapping.n_source_bands[new_param_band_idx]; source_param_idx++ )
697 : {
698 21504 : *p_ild_new += powf( 10.0f, ild_q_old[parameter_band_mapping.source_band_idx[new_param_band_idx][source_param_idx] * num_param_lfe + param_idx] / 10.0f ) * parameter_band_mapping.source_band_factor[new_param_band_idx][source_param_idx];
699 : }
700 16032 : *p_ild_new = 10.0f * log10f( *p_ild_new );
701 16032 : p_ild_new++;
702 : }
703 : }
704 : }
705 228 : free( ild_q_old );
706 228 : free( icc_q_old );
707 : }
708 :
709 237 : param_mc_set_num_synth_bands( output_Fs, hParamMC );
710 :
711 : /* set max parameter band for abs cov */
712 237 : k = 0;
713 2142 : while ( hParamMC->band_grouping[k] <= PARAM_MC_MAX_BAND_ABS_COV_DEC )
714 : {
715 1905 : hParamMC->max_param_band_abs_cov = ( k++ );
716 : }
717 :
718 : /*-----------------------------------------------------------------*
719 : * open sub-modules
720 : *-----------------------------------------------------------------*/
721 :
722 : /* prototype signal computation */
723 :
724 237 : if ( hParamMC->synthesis_conf == PARAM_MC_SYNTH_MONO_STEREO )
725 : {
726 0 : if ( nchan_transport_old != nchan_transport )
727 : {
728 0 : if ( st_ivas->hLsSetUpConversion != NULL )
729 : {
730 0 : ivas_ls_setup_conversion_close( &st_ivas->hLsSetUpConversion );
731 : }
732 :
733 0 : if ( ( error = ivas_ls_setup_conversion_open( st_ivas ) ) != IVAS_ERR_OK )
734 : {
735 0 : return error;
736 : }
737 :
738 : /* convert the ls conv dmx matrix into column order matrix format (nchan_out_cldfb x nchan_out) */
739 0 : free( hParamMC->ls_conv_dmx_matrix );
740 0 : if ( ( hParamMC->ls_conv_dmx_matrix = (float *) malloc( nchan_out_transport * nchan_out_cov * sizeof( float ) ) ) == NULL )
741 : {
742 0 : return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for Parametric MC\n" ) );
743 : }
744 0 : for ( k = 0; k < nchan_out_transport; k++ )
745 : {
746 0 : mvr2r( st_ivas->hLsSetUpConversion->dmxMtx[k], &hParamMC->ls_conv_dmx_matrix[k * nchan_out_cov], nchan_out_cov );
747 : }
748 : }
749 : /* convert ParamMC parameter bands to SFB */
750 :
751 0 : st_ivas->hLsSetUpConversion->sfbCnt = hParamMC->num_param_bands_synth;
752 0 : for ( k = 0; k <= hParamMC->num_param_bands_synth; k++ )
753 : {
754 0 : st_ivas->hLsSetUpConversion->sfbOffset[k] = PARAM_MC_BAND_TO_MDCT_BAND_RATIO * hParamMC->band_grouping[k];
755 : }
756 0 : for ( ; k < MAX_SFB + 2; k++ )
757 : {
758 0 : st_ivas->hLsSetUpConversion->sfbOffset[k] = 0;
759 : }
760 : }
761 :
762 237 : if ( nchan_transport_old != nchan_transport )
763 : {
764 6 : free( hParamMC->proto_matrix_int );
765 6 : if ( ( hParamMC->proto_matrix_int = (float *) malloc( nchan_out_transport * nchan_transport * sizeof( float ) ) ) == NULL )
766 : {
767 0 : return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for Parametric MC\n" ) );
768 : }
769 6 : mvr2r( ivas_param_mc_conf[config_index].dmx_fac, hParamMC->proto_matrix_int, nchan_transport * nchan_out_transport );
770 : }
771 :
772 237 : if ( hParamMC->synthesis_conf == PARAM_MC_SYNTH_LS_CONV_COV || hParamMC->synthesis_conf == PARAM_MC_SYNTH_MONO_STEREO )
773 : {
774 0 : matrix_product( hParamMC->ls_conv_dmx_matrix, nchan_out_cov, nchan_out_transport, 0,
775 : ivas_param_mc_conf[config_index].dmx_fac, nchan_out_transport, nchan_transport, 0,
776 : proto_matrix );
777 :
778 0 : if ( hParamMC->synthesis_conf == PARAM_MC_SYNTH_MONO_STEREO )
779 : {
780 0 : proto_mtx_norm = 1.f;
781 0 : for ( k = 0; k < nchan_transport * nchan_out_cov; k++ )
782 : {
783 0 : proto_mtx_norm = max( fabsf( proto_mtx_norm ), fabsf( proto_matrix[k] ) );
784 : }
785 0 : proto_mtx_norm = 1.f / proto_mtx_norm;
786 :
787 : /* transfer flattened proto_matrix to 2D in hLsSetupConversion->dmxMtx */
788 0 : for ( k = 0; k < nchan_transport; k++ )
789 : {
790 0 : for ( int16_t i = 0; i < nchan_out_cov; i++ )
791 : {
792 0 : st_ivas->hLsSetUpConversion->dmxMtx[k][i] = proto_matrix[k * nchan_out_cov + i] * proto_mtx_norm;
793 : }
794 : }
795 : }
796 : }
797 : else
798 : {
799 237 : mvr2r( ivas_param_mc_conf[config_index].dmx_fac, proto_matrix, nchan_out_transport * nchan_transport );
800 : }
801 :
802 237 : if ( nchan_transport_old != nchan_transport && hParamMC->synthesis_conf != PARAM_MC_SYNTH_MONO_STEREO )
803 : {
804 : int16_t i;
805 : int16_t len;
806 :
807 : /* close decorrelator */
808 6 : ivas_dirac_dec_decorr_close( &hParamMC->h_freq_domain_decorr_ap_params, &hParamMC->h_freq_domain_decorr_ap_state );
809 :
810 : /* deallocate diffuse prototype info */
811 6 : if ( hParamMC->diff_proto_info )
812 : {
813 24 : for ( i = 0; i < hParamMC->diff_proto_info->num_protos_diff; i++ )
814 : {
815 18 : free( hParamMC->diff_proto_info->source_chan_idx[i] );
816 18 : hParamMC->diff_proto_info->source_chan_idx[i] = NULL;
817 :
818 18 : free( hParamMC->diff_proto_info->proto_fac[i] );
819 18 : hParamMC->diff_proto_info->proto_fac[i] = NULL;
820 : }
821 :
822 6 : free( hParamMC->diff_proto_info->source_chan_idx );
823 6 : hParamMC->diff_proto_info->source_chan_idx = NULL;
824 :
825 6 : free( hParamMC->diff_proto_info->proto_fac );
826 6 : hParamMC->diff_proto_info->proto_fac = NULL;
827 :
828 6 : free( hParamMC->diff_proto_info->proto_index_diff );
829 6 : hParamMC->diff_proto_info->proto_index_diff = NULL;
830 :
831 6 : free( hParamMC->diff_proto_info->num_source_chan_diff );
832 6 : hParamMC->diff_proto_info->num_source_chan_diff = NULL;
833 :
834 6 : free( hParamMC->diff_proto_info );
835 6 : hParamMC->diff_proto_info = NULL;
836 : }
837 :
838 6 : hParamMC->num_outputs_diff = nchan_out_cov;
839 6 : if ( ( hParamMC->diff_proto_info = (PARAM_MC_DIFF_PROTO_INFO *) malloc( sizeof( PARAM_MC_DIFF_PROTO_INFO ) ) ) == NULL )
840 : {
841 0 : return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for Parametric MC\n" ) );
842 : }
843 :
844 6 : if ( ( param_mc_get_diff_proto_info( proto_matrix, nchan_transport, nchan_out_cov, hParamMC->diff_proto_info ) ) != IVAS_ERR_OK )
845 : {
846 0 : return error;
847 : }
848 :
849 : /* decorrelation */
850 6 : hParamMC->h_freq_domain_decorr_ap_params = NULL;
851 6 : hParamMC->h_freq_domain_decorr_ap_state = NULL;
852 :
853 6 : ivas_dirac_dec_get_frequency_axis( frequency_axis, output_Fs, hParamMC->num_freq_bands );
854 :
855 6 : if ( ( error = ivas_dirac_dec_decorr_open( &( hParamMC->h_freq_domain_decorr_ap_params ), &( hParamMC->h_freq_domain_decorr_ap_state ), hParamMC->num_freq_bands, hParamMC->num_outputs_diff,
856 6 : hParamMC->diff_proto_info->num_protos_diff, DIRAC_SYNTHESIS_COV_MC_LS, frequency_axis, nchan_transport, output_Fs ) ) != IVAS_ERR_OK )
857 : {
858 0 : return error;
859 : }
860 :
861 6 : hParamMC->h_output_synthesis_params.use_onset_filters = 0;
862 6 : hParamMC->max_band_decorr = hParamMC->h_freq_domain_decorr_ap_params->max_band_decorr;
863 : /* init decorrelation */
864 6 : if ( hParamMC->max_band_decorr > 0 )
865 : {
866 :
867 6 : len = hParamMC->diff_proto_info->num_protos_diff * hParamMC->h_freq_domain_decorr_ap_params->h_onset_detection_power_params.max_band_decorr;
868 :
869 : /* init onsetDetectionPower */
870 6 : set_zero( hParamMC->h_freq_domain_decorr_ap_state->h_onset_detection_power_state.onset_detector_1, len );
871 6 : set_zero( hParamMC->h_freq_domain_decorr_ap_state->h_onset_detection_power_state.onset_detector_2, len );
872 : }
873 : }
874 237 : hParamMC->max_band_energy_compensation = hParamMC->band_grouping[hParamMC->hMetadataPMC->nbands_coded];
875 237 : max_param_band_residual = 0;
876 :
877 834 : for ( k = hParamMC->hMetadataPMC->num_parameter_bands; k >= 0; k-- )
878 : {
879 834 : if ( hParamMC->band_grouping[k] <= hParamMC->max_band_decorr )
880 : {
881 237 : max_param_band_residual = k;
882 237 : assert( hParamMC->band_grouping[k] == hParamMC->max_band_decorr );
883 237 : break;
884 : }
885 : }
886 :
887 237 : if ( nchan_transport_old != nchan_transport || num_param_bands_old != hParamMC->hMetadataPMC->num_parameter_bands )
888 : {
889 228 : DIRAC_OUTPUT_SYNTHESIS_COV_STATE cov_state_old = hParamMC->h_output_synthesis_cov_state;
890 228 : DIRAC_OUTPUT_SYNTHESIS_PARAMS params_old = hParamMC->h_output_synthesis_params;
891 : float tmp_buf[MAX_LS_CHANNELS * MAX_LS_CHANNELS];
892 :
893 228 : set_zero( tmp_buf, MAX_LS_CHANNELS * MAX_LS_CHANNELS );
894 :
895 : /* output synthesis */
896 228 : if ( ( error = ivas_dirac_dec_output_synthesis_cov_open( &( hParamMC->h_output_synthesis_params ), &( hParamMC->h_output_synthesis_cov_state ), hParamMC->max_band_decorr, PARAM_MC_MAX_NSLOTS,
897 228 : hParamMC->hMetadataPMC->num_parameter_bands, max_param_band_residual, nchan_transport, nchan_out_cov, proto_matrix ) ) != IVAS_ERR_OK )
898 : {
899 0 : return error;
900 : }
901 :
902 228 : ivas_param_mc_dec_compute_interpolator( 0, 0, DEFAULT_JBM_CLDFB_TIMESLOTS, hParamMC->h_output_synthesis_params.interpolator );
903 :
904 228 : ivas_dirac_dec_output_synthesis_cov_init( &( hParamMC->h_output_synthesis_cov_state ), nchan_transport, nchan_out_cov, hParamMC->hMetadataPMC->num_parameter_bands, max_param_band_residual );
905 :
906 : /* map old to new parameter banding, only for same number of TCs, needs some more thought for changing number of TCs */
907 228 : if ( num_param_bands_old != hParamMC->hMetadataPMC->num_parameter_bands && nchan_transport_old == nchan_transport )
908 : {
909 : int16_t new_param_band_idx, source_param_idx;
910 :
911 :
912 2874 : for ( new_param_band_idx = 0; new_param_band_idx < hParamMC->hMetadataPMC->num_parameter_bands; new_param_band_idx++ )
913 : {
914 6204 : for ( source_param_idx = 0; source_param_idx < parameter_band_mapping.n_source_bands[new_param_band_idx]; source_param_idx++ )
915 : {
916 : /* Cx */
917 3552 : v_multc( cov_state_old.cx_old[parameter_band_mapping.source_band_idx[new_param_band_idx][source_param_idx]], parameter_band_mapping.source_band_factor[new_param_band_idx][source_param_idx], tmp_buf, nchan_transport_old * nchan_transport_old );
918 3552 : v_add( tmp_buf, hParamMC->h_output_synthesis_cov_state.cx_old[new_param_band_idx], hParamMC->h_output_synthesis_cov_state.cx_old[new_param_band_idx], nchan_transport_old * nchan_transport_old );
919 : /* Cy */
920 3552 : v_multc( cov_state_old.cy_old[parameter_band_mapping.source_band_idx[new_param_band_idx][source_param_idx]], parameter_band_mapping.source_band_factor[new_param_band_idx][source_param_idx], tmp_buf, nchan_out_cov * nchan_out_cov );
921 3552 : v_add( tmp_buf, hParamMC->h_output_synthesis_cov_state.cy_old[new_param_band_idx], hParamMC->h_output_synthesis_cov_state.cy_old[new_param_band_idx], nchan_out_cov * nchan_out_cov );
922 : /* mixing matrix*/
923 3552 : v_multc( cov_state_old.mixing_matrix_old[parameter_band_mapping.source_band_idx[new_param_band_idx][source_param_idx]], parameter_band_mapping.source_band_factor[new_param_band_idx][source_param_idx], tmp_buf, nchan_transport_old * nchan_out_cov );
924 3552 : v_add( tmp_buf, hParamMC->h_output_synthesis_cov_state.mixing_matrix_old[new_param_band_idx], hParamMC->h_output_synthesis_cov_state.mixing_matrix_old[new_param_band_idx], nchan_transport_old * nchan_out_cov );
925 : }
926 : }
927 2322 : for ( new_param_band_idx = 0; new_param_band_idx < max_param_band_residual; new_param_band_idx++ )
928 : {
929 4986 : for ( source_param_idx = 0; source_param_idx < parameter_band_mapping.n_source_bands[new_param_band_idx]; source_param_idx++ )
930 : {
931 : /* residual mixing matrix*/
932 2886 : v_multc( cov_state_old.mixing_matrix_res_old[parameter_band_mapping.source_band_idx[new_param_band_idx][source_param_idx]], parameter_band_mapping.source_band_factor[new_param_band_idx][source_param_idx], tmp_buf, nchan_out_cov * nchan_out_cov );
933 2886 : v_add( tmp_buf, hParamMC->h_output_synthesis_cov_state.mixing_matrix_res_old[new_param_band_idx], hParamMC->h_output_synthesis_cov_state.mixing_matrix_res_old[new_param_band_idx], nchan_out_cov * nchan_out_cov );
934 : }
935 : }
936 : }
937 :
938 228 : ivas_dirac_dec_output_synthesis_cov_close( ¶ms_old, &cov_state_old );
939 : }
940 :
941 : /*-----------------------------------------------------------------*
942 : * memory allocation
943 : *-----------------------------------------------------------------*/
944 :
945 237 : if ( hParamMC->max_band_decorr > 0 && nchan_transport_old != nchan_transport )
946 : {
947 6 : free( hParamMC->proto_frame_f );
948 6 : if ( ( hParamMC->proto_frame_f = (float *) malloc( 2 * hParamMC->diff_proto_info->num_protos_diff * hParamMC->num_freq_bands * sizeof( float ) ) ) == NULL )
949 : {
950 0 : return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for Parametric MC\n" ) );
951 : }
952 6 : set_zero( hParamMC->proto_frame_f, 2 * hParamMC->diff_proto_info->num_protos_diff * hParamMC->num_freq_bands );
953 : }
954 :
955 :
956 237 : if ( nchan_transport_old != nchan_transport )
957 : {
958 6 : if ( hParamMC->synthesis_conf != PARAM_MC_SYNTH_MONO_STEREO )
959 : {
960 : int16_t n_cldfb_slots;
961 :
962 6 : if ( hParamMC->Cldfb_RealBuffer_tc != NULL )
963 : {
964 6 : free( hParamMC->Cldfb_RealBuffer_tc );
965 6 : hParamMC->Cldfb_RealBuffer_tc = NULL;
966 : }
967 6 : if ( hParamMC->Cldfb_ImagBuffer_tc != NULL )
968 : {
969 6 : free( hParamMC->Cldfb_ImagBuffer_tc );
970 6 : hParamMC->Cldfb_ImagBuffer_tc = NULL;
971 : }
972 :
973 6 : n_cldfb_slots = DEFAULT_JBM_CLDFB_TIMESLOTS;
974 6 : if ( st_ivas->hDecoderConfig->Opt_tsm )
975 : {
976 0 : n_cldfb_slots = MAX_JBM_CLDFB_TIMESLOTS;
977 : }
978 6 : if ( ( hParamMC->Cldfb_RealBuffer_tc = (float *) malloc( n_cldfb_slots * nchan_transport * hParamMC->num_freq_bands * sizeof( float ) ) ) == NULL )
979 : {
980 0 : return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for Parametric MC JBM\n" ) );
981 : }
982 6 : set_zero( hParamMC->Cldfb_RealBuffer_tc, n_cldfb_slots * nchan_transport * hParamMC->num_freq_bands );
983 :
984 6 : if ( ( hParamMC->Cldfb_ImagBuffer_tc = (float *) malloc( n_cldfb_slots * nchan_transport * hParamMC->num_freq_bands * sizeof( float ) ) ) == NULL )
985 : {
986 0 : return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for Parametric MC JBM\n" ) );
987 : }
988 6 : set_zero( hParamMC->Cldfb_ImagBuffer_tc, n_cldfb_slots * nchan_transport * hParamMC->num_freq_bands );
989 : }
990 : else
991 : {
992 0 : if ( hParamMC->Cldfb_RealBuffer_tc != NULL )
993 : {
994 0 : free( hParamMC->Cldfb_RealBuffer_tc );
995 0 : hParamMC->Cldfb_RealBuffer_tc = NULL;
996 : }
997 0 : if ( hParamMC->Cldfb_ImagBuffer_tc != NULL )
998 : {
999 0 : free( hParamMC->Cldfb_ImagBuffer_tc );
1000 0 : hParamMC->Cldfb_ImagBuffer_tc = NULL;
1001 : }
1002 : }
1003 : }
1004 237 : return error;
1005 : }
1006 :
1007 :
1008 : /*-------------------------------------------------------------------------
1009 : * param_mc_get_num_cldfb_syntheses()
1010 : *
1011 : * calculate the necessary number of CLDFB synthesis instances
1012 : *------------------------------------------------------------------------*/
1013 :
1014 : /*! r: number of cldfb synthesis instances */
1015 1730 : int16_t param_mc_get_num_cldfb_syntheses(
1016 : Decoder_Struct *st_ivas /* i : Parametric MC handle */
1017 : )
1018 : {
1019 : int16_t num_cldfb_syntheses;
1020 :
1021 1730 : num_cldfb_syntheses = 0;
1022 :
1023 : /* sanity check*/
1024 1730 : if ( st_ivas->hParamMC == NULL )
1025 : {
1026 0 : assert( 0 && "ParamMC handle does not exist!\n" );
1027 : }
1028 :
1029 1730 : if ( st_ivas->renderer_type == RENDERER_BINAURAL_FASTCONV || st_ivas->renderer_type == RENDERER_BINAURAL_FASTCONV_ROOM )
1030 : {
1031 0 : num_cldfb_syntheses = 2;
1032 : }
1033 1730 : else if ( st_ivas->renderer_type == RENDERER_SBA_LINEAR_ENC )
1034 : {
1035 686 : num_cldfb_syntheses = st_ivas->hTransSetup.nchan_out_woLFE + st_ivas->hTransSetup.num_lfe;
1036 : }
1037 1044 : else if ( st_ivas->renderer_type == RENDERER_MC_PARAMMC )
1038 : {
1039 1044 : num_cldfb_syntheses = st_ivas->hOutSetup.nchan_out_woLFE + st_ivas->hOutSetup.num_lfe;
1040 : }
1041 : #ifdef DEBUGGING
1042 : else
1043 : {
1044 : assert( 0 && "Renderer settings not valid for ParamMC!\n" );
1045 : }
1046 : #endif
1047 :
1048 1730 : return num_cldfb_syntheses;
1049 : }
1050 :
1051 :
1052 : /*-------------------------------------------------------------------------
1053 : * ivas_param_mc_dec_close()
1054 : *
1055 : * Close Parametric MC memories
1056 : *------------------------------------------------------------------------*/
1057 :
1058 86993 : void ivas_param_mc_dec_close(
1059 : PARAM_MC_DEC_HANDLE *hParamMC_out /* i/o: Parametric MC decoder handle */
1060 : )
1061 : {
1062 : uint16_t i;
1063 : PARAM_MC_DEC_HANDLE hParamMC;
1064 :
1065 86993 : if ( hParamMC_out == NULL || *hParamMC_out == NULL )
1066 : {
1067 84590 : return;
1068 : }
1069 :
1070 2403 : hParamMC = *hParamMC_out;
1071 :
1072 : /* close sub-modules */
1073 2403 : ivas_dirac_dec_output_synthesis_cov_close( &hParamMC->h_output_synthesis_params, &hParamMC->h_output_synthesis_cov_state );
1074 :
1075 2403 : if ( hParamMC->h_freq_domain_decorr_ap_params != NULL || hParamMC->h_freq_domain_decorr_ap_state != NULL )
1076 : {
1077 2229 : ivas_dirac_dec_decorr_close( &hParamMC->h_freq_domain_decorr_ap_params, &hParamMC->h_freq_domain_decorr_ap_state );
1078 : }
1079 :
1080 : /* parameter decoding */
1081 2403 : if ( hParamMC->hMetadataPMC != NULL )
1082 : {
1083 2403 : free( hParamMC->hMetadataPMC );
1084 2403 : hParamMC->hMetadataPMC = NULL;
1085 : }
1086 :
1087 2403 : if ( hParamMC->icc_q != NULL )
1088 : {
1089 2403 : free( hParamMC->icc_q );
1090 2403 : hParamMC->icc_q = NULL;
1091 : }
1092 :
1093 2403 : if ( hParamMC->icld_q != NULL )
1094 : {
1095 2403 : free( hParamMC->icld_q );
1096 2403 : hParamMC->icld_q = NULL;
1097 : }
1098 :
1099 : /* diffuse prototype info */
1100 2403 : if ( hParamMC->diff_proto_info )
1101 : {
1102 9138 : for ( i = 0; i < hParamMC->diff_proto_info->num_protos_diff; i++ )
1103 : {
1104 6909 : free( hParamMC->diff_proto_info->source_chan_idx[i] );
1105 6909 : hParamMC->diff_proto_info->source_chan_idx[i] = NULL;
1106 :
1107 6909 : free( hParamMC->diff_proto_info->proto_fac[i] );
1108 6909 : hParamMC->diff_proto_info->proto_fac[i] = NULL;
1109 : }
1110 :
1111 2229 : free( hParamMC->diff_proto_info->source_chan_idx );
1112 2229 : hParamMC->diff_proto_info->source_chan_idx = NULL;
1113 :
1114 2229 : free( hParamMC->diff_proto_info->proto_fac );
1115 2229 : hParamMC->diff_proto_info->proto_fac = NULL;
1116 :
1117 2229 : free( hParamMC->diff_proto_info->proto_index_diff );
1118 2229 : hParamMC->diff_proto_info->proto_index_diff = NULL;
1119 :
1120 2229 : free( hParamMC->diff_proto_info->num_source_chan_diff );
1121 2229 : hParamMC->diff_proto_info->num_source_chan_diff = NULL;
1122 :
1123 2229 : free( hParamMC->diff_proto_info );
1124 2229 : hParamMC->diff_proto_info = NULL;
1125 : }
1126 :
1127 : /* States */
1128 : /* free prototype signal buffers */
1129 2403 : if ( hParamMC->proto_frame_f != NULL )
1130 : {
1131 2229 : free( hParamMC->proto_frame_f );
1132 2229 : hParamMC->proto_frame_f = NULL;
1133 : }
1134 :
1135 2403 : if ( hParamMC->proto_frame_dec_f != NULL )
1136 : {
1137 2229 : free( hParamMC->proto_frame_dec_f );
1138 2229 : hParamMC->proto_frame_dec_f = NULL;
1139 : }
1140 :
1141 2403 : if ( hParamMC->ls_conv_dmx_matrix != NULL )
1142 : {
1143 285 : free( hParamMC->ls_conv_dmx_matrix );
1144 285 : hParamMC->ls_conv_dmx_matrix = NULL;
1145 : }
1146 :
1147 2403 : if ( hParamMC->proto_matrix_int != NULL )
1148 : {
1149 2403 : free( hParamMC->proto_matrix_int );
1150 2403 : hParamMC->proto_matrix_int = NULL;
1151 : }
1152 :
1153 2403 : if ( hParamMC->hoa_encoder != NULL )
1154 : {
1155 107 : free( hParamMC->hoa_encoder );
1156 107 : hParamMC->hoa_encoder = NULL;
1157 : }
1158 :
1159 2403 : if ( hParamMC->Cldfb_RealBuffer_tc != NULL )
1160 : {
1161 2229 : free( hParamMC->Cldfb_RealBuffer_tc );
1162 2229 : hParamMC->Cldfb_RealBuffer_tc = NULL;
1163 : }
1164 2403 : if ( hParamMC->Cldfb_ImagBuffer_tc != NULL )
1165 : {
1166 2229 : free( hParamMC->Cldfb_ImagBuffer_tc );
1167 2229 : hParamMC->Cldfb_ImagBuffer_tc = NULL;
1168 : }
1169 :
1170 2403 : free( *hParamMC_out );
1171 2403 : *hParamMC_out = NULL;
1172 :
1173 2403 : return;
1174 : }
1175 :
1176 :
1177 : /*-------------------------------------------------------------------------
1178 : * ivas_param_mc_dec_read_BS()
1179 : *
1180 : * Read the Parametric MC metadata
1181 : *------------------------------------------------------------------------*/
1182 :
1183 105782 : void ivas_param_mc_dec_read_BS(
1184 : const int32_t ivas_total_brate, /* i : IVAS total bitrate */
1185 : Decoder_State *st, /* i/o: decoder state structure */
1186 : PARAM_MC_DEC_HANDLE hParamMC, /* i/o: decoder ParamMC handle */
1187 : int16_t *nb_bits /* o : number of bits written */
1188 : )
1189 : {
1190 : int16_t param_frame_idx;
1191 : int16_t band_step;
1192 : uint16_t bit_buffer[PARAM_MC_MAX_BITS];
1193 : int16_t bits_to_copy;
1194 : int16_t bit_pos;
1195 : int16_t num_lfe_bands;
1196 : int16_t num_param_bands;
1197 : int16_t metadata_bit_pos;
1198 : int16_t i, j, k;
1199 : int16_t icc_map_size;
1200 : int16_t icc_map_size_wo_lfe;
1201 : int16_t ild_map_size;
1202 : int16_t ild_map_size_wo_lfe;
1203 : HANDLE_IVAS_PARAM_MC_METADATA hMetadataPMC;
1204 :
1205 105782 : push_wmops( "param_mc_read_bs" );
1206 :
1207 : /* Inits */
1208 105782 : *nb_bits = 0;
1209 105782 : hMetadataPMC = hParamMC->hMetadataPMC;
1210 105782 : icc_map_size = hMetadataPMC->icc_mapping_conf->icc_map_size_lfe;
1211 105782 : icc_map_size_wo_lfe = hMetadataPMC->icc_mapping_conf->icc_map_size_wo_lfe;
1212 105782 : ild_map_size = hMetadataPMC->ild_mapping_conf->ild_map_size_lfe;
1213 105782 : ild_map_size_wo_lfe = hMetadataPMC->ild_mapping_conf->ild_map_size_wo_lfe;
1214 :
1215 105782 : if ( !st->bfi )
1216 : {
1217 98853 : metadata_bit_pos = (int16_t) ( ivas_total_brate / FRAMES_PER_SEC - 1 );
1218 98853 : bits_to_copy = (int16_t) min( ivas_total_brate / FRAMES_PER_SEC, PARAM_MC_MAX_BITS );
1219 :
1220 : /* copy and reverse metadata */
1221 100093029 : for ( bit_pos = 0; bit_pos < bits_to_copy; bit_pos++ )
1222 : {
1223 99994176 : bit_buffer[bit_pos] = st->bit_stream[metadata_bit_pos--];
1224 : }
1225 :
1226 98853 : bit_pos = 0;
1227 :
1228 : /* read reserved bit */
1229 98853 : hMetadataPMC->lfe_on = bit_buffer[bit_pos++];
1230 :
1231 : /* get coded bwidth */
1232 : {
1233 : int16_t pos;
1234 98853 : int16_t bw = 0;
1235 296559 : for ( pos = 0; pos < 2; pos++ )
1236 : {
1237 197706 : bw += ( bit_buffer[bit_pos++] << pos );
1238 : }
1239 98853 : hMetadataPMC->coded_bwidth = bw;
1240 : }
1241 :
1242 : /* set tables if coded band width differs from last frame */
1243 98853 : if ( hMetadataPMC->coded_bwidth != hMetadataPMC->last_coded_bwidth )
1244 : {
1245 5942 : ivas_param_mc_set_coded_bands( hMetadataPMC );
1246 5942 : param_mc_set_num_synth_bands( st->output_Fs, hParamMC );
1247 5942 : hParamMC->max_band_energy_compensation = hParamMC->band_grouping[hParamMC->num_param_bands_synth];
1248 : }
1249 :
1250 98853 : param_frame_idx = bit_buffer[bit_pos++];
1251 98853 : hMetadataPMC->param_frame_idx = param_frame_idx;
1252 98853 : num_param_bands = hMetadataPMC->nbands_in_param_frame[param_frame_idx];
1253 :
1254 98853 : hMetadataPMC->bAttackPresent = bit_buffer[bit_pos++];
1255 98853 : hMetadataPMC->attackIndex = 0;
1256 98853 : band_step = 1;
1257 98853 : num_lfe_bands = 0;
1258 :
1259 98853 : if ( hMetadataPMC->bAttackPresent )
1260 : {
1261 34016 : for ( i = 2; i >= 0; i-- )
1262 : {
1263 25512 : hMetadataPMC->attackIndex += ( bit_buffer[bit_pos++] << i );
1264 : }
1265 :
1266 8504 : band_step = PARAM_MC_TRANSIENT_BAND_STEP;
1267 8504 : num_lfe_bands = PARAM_MC_MAX_BAND_LFE / band_step + ( PARAM_MC_MAX_BAND_LFE % band_step ) ? 1 : 0;
1268 8504 : num_param_bands = hMetadataPMC->nbands_coded / band_step + ( ( hMetadataPMC->nbands_coded % band_step ) ? 1 : 0 );
1269 : }
1270 : else
1271 : {
1272 180698 : for ( j = 0; j < PARAM_MC_MAX_BAND_LFE; j += band_step )
1273 : {
1274 90349 : if ( param_frame_idx == hMetadataPMC->coding_band_mapping[j] )
1275 : {
1276 : /* LFE ICC is always the last ICC in coding band 0 */
1277 44897 : num_lfe_bands++;
1278 : }
1279 : }
1280 : }
1281 :
1282 98853 : if ( !hMetadataPMC->lfe_on )
1283 : {
1284 43064 : num_lfe_bands = 0;
1285 : }
1286 :
1287 98853 : ivas_param_mc_bs_decode_parameter_values( bit_buffer, &bit_pos, bits_to_copy, &st->BER_detect, hMetadataPMC, &hMetadataPMC->icc_coding,
1288 : icc_map_size_wo_lfe, icc_map_size, num_lfe_bands, band_step, num_param_bands, hParamMC->icc_q );
1289 98853 : if ( !st->BER_detect )
1290 : {
1291 98853 : ivas_param_mc_bs_decode_parameter_values( bit_buffer, &bit_pos, bits_to_copy, &st->BER_detect, hMetadataPMC, &hMetadataPMC->ild_coding,
1292 : ild_map_size_wo_lfe, ild_map_size, num_lfe_bands, band_step, num_param_bands, hParamMC->icld_q );
1293 : }
1294 : /* set LFE ILD and ICC to zero above PARAM_MC_MAX_BAND_LFE for attack frames */
1295 98853 : if ( hMetadataPMC->bAttackPresent )
1296 : {
1297 14269 : for ( k = PARAM_MC_MAX_BAND_LFE; k < band_step * num_lfe_bands; k++ )
1298 : {
1299 5765 : hParamMC->icc_q[( k + 1 ) * icc_map_size - 1] = 1.0f;
1300 5765 : hParamMC->icld_q[( k + 1 ) * ild_map_size - 1] = PARAM_MC_DEFAULT_MIN_ILD;
1301 : }
1302 : }
1303 :
1304 98853 : *nb_bits = bit_pos;
1305 :
1306 : } /* if ( !st->bfi ) */
1307 :
1308 105782 : if ( st->bfi )
1309 : {
1310 : /* for PLC, use the saved ILDs and ICCs from the past and set the transient flag and transient position to zero */
1311 6929 : hMetadataPMC->bAttackPresent = 0;
1312 6929 : hMetadataPMC->attackIndex = 0;
1313 : }
1314 :
1315 105782 : pop_wmops();
1316 :
1317 105782 : return;
1318 : }
1319 :
1320 :
1321 : /*-------------------------------------------------------------------------
1322 : * ivas_param_mc_dec_digest_tc()
1323 : *
1324 : *
1325 : *------------------------------------------------------------------------*/
1326 :
1327 97406 : void ivas_param_mc_dec_digest_tc(
1328 : Decoder_Struct *st_ivas, /* i/o: IVAS decoder handle */
1329 : const uint8_t nCldfbSlots, /* i : number of CLDFB slots in transport channels */
1330 : float *p_data_f[] /* i/o: synthesized core-coder transport channels/DirAC output */
1331 : )
1332 : {
1333 : int16_t ch, num_freq_bands, slot_idx, cldfb_ch, n_ch_cldfb;
1334 : float *cldfb_real_buffer, *cldfb_imag_buffer;
1335 :
1336 : /* Initialization */
1337 97406 : num_freq_bands = st_ivas->hParamMC->num_freq_bands;
1338 97406 : n_ch_cldfb = st_ivas->hTcBuffer->nchan_transport_jbm - st_ivas->hTcBuffer->nchan_buffer_full;
1339 :
1340 97406 : cldfb_real_buffer = st_ivas->hParamMC->Cldfb_RealBuffer_tc;
1341 97406 : cldfb_imag_buffer = st_ivas->hParamMC->Cldfb_ImagBuffer_tc;
1342 :
1343 : /* CLDFB Analysis */
1344 320549 : for ( ch = 0, cldfb_ch = 0; cldfb_ch < n_ch_cldfb; cldfb_ch++, ch++ )
1345 : {
1346 3795132 : for ( slot_idx = 0; slot_idx < nCldfbSlots; slot_idx++ )
1347 : {
1348 3571989 : cldfbAnalysis_ts( &( p_data_f[ch][num_freq_bands * slot_idx] ),
1349 3571989 : &cldfb_real_buffer[slot_idx * num_freq_bands * n_ch_cldfb + cldfb_ch * num_freq_bands],
1350 3571989 : &cldfb_imag_buffer[slot_idx * num_freq_bands * n_ch_cldfb + cldfb_ch * num_freq_bands],
1351 : num_freq_bands, st_ivas->cldfbAnaDec[cldfb_ch] );
1352 : }
1353 : }
1354 :
1355 97406 : return;
1356 : }
1357 :
1358 :
1359 : /*-------------------------------------------------------------------------
1360 : * ivas_param_mc_dec_prepare_renderer()
1361 : *
1362 : *
1363 : *------------------------------------------------------------------------*/
1364 :
1365 97406 : void ivas_param_mc_dec_prepare_renderer(
1366 : Decoder_Struct *st_ivas, /* i/o: IVAS decoder handle */
1367 : const uint8_t nCldfbSlots /* i : number of CLDFB slots in transport channels */
1368 : )
1369 : {
1370 : PARAM_MC_DEC_HANDLE hParamMC;
1371 : int16_t i;
1372 : int16_t is_next_band, skip_next_band;
1373 : int16_t slot_idx, param_band_idx;
1374 : int16_t nchan_transport, nchan_out_transport, nchan_out_cldfb;
1375 : int16_t nchan_out_cov;
1376 : /*CLDFB*/
1377 : float *pCx, *pCx_imag;
1378 : float cx[PARAM_MC_MAX_TRANSPORT_CHANS * PARAM_MC_MAX_TRANSPORT_CHANS];
1379 : float cx_imag[PARAM_MC_MAX_TRANSPORT_CHANS * PARAM_MC_MAX_TRANSPORT_CHANS];
1380 : float cx_next_band[PARAM_MC_MAX_TRANSPORT_CHANS * PARAM_MC_MAX_TRANSPORT_CHANS];
1381 : float cx_imag_next_band[PARAM_MC_MAX_TRANSPORT_CHANS * PARAM_MC_MAX_TRANSPORT_CHANS];
1382 : float real_part, imag_part;
1383 : /* format converter */
1384 : int16_t channel_active[MAX_OUTPUT_CHANNELS];
1385 : IVAS_OUTPUT_SETUP *hSynthesisOutputSetup;
1386 :
1387 97406 : hParamMC = st_ivas->hParamMC;
1388 97406 : assert( hParamMC );
1389 :
1390 97406 : push_wmops( "param_mc_dec_digest_tc" );
1391 :
1392 97406 : set_s( channel_active, 0, MAX_LS_CHANNELS );
1393 97406 : nchan_transport = st_ivas->nchan_transport;
1394 97406 : nchan_out_transport = st_ivas->hTransSetup.nchan_out_woLFE + st_ivas->hTransSetup.num_lfe;
1395 :
1396 97406 : if ( st_ivas->renderer_type == RENDERER_BINAURAL_FASTCONV || st_ivas->renderer_type == RENDERER_BINAURAL_FASTCONV_ROOM )
1397 : {
1398 52017 : nchan_out_cldfb = BINAURAL_CHANNELS;
1399 52017 : set_s( channel_active, 1, nchan_out_cldfb );
1400 52017 : nchan_out_cov = st_ivas->hTransSetup.nchan_out_woLFE + st_ivas->hTransSetup.num_lfe;
1401 52017 : hSynthesisOutputSetup = &st_ivas->hTransSetup;
1402 : }
1403 45389 : else if ( hParamMC->synthesis_conf == PARAM_MC_SYNTH_LS_CONV_CLDFB )
1404 : {
1405 12306 : nchan_out_cov = nchan_out_transport;
1406 12306 : nchan_out_cldfb = st_ivas->hOutSetup.nchan_out_woLFE + st_ivas->hOutSetup.num_lfe;
1407 12306 : hSynthesisOutputSetup = &st_ivas->hTransSetup;
1408 : }
1409 33083 : else if ( hParamMC->synthesis_conf == PARAM_MC_SYNTH_LS_CONV_COV || hParamMC->synthesis_conf == PARAM_MC_SYNTH_MONO_STEREO )
1410 : {
1411 5796 : nchan_out_cov = st_ivas->hOutSetup.nchan_out_woLFE + st_ivas->hOutSetup.num_lfe;
1412 5796 : nchan_out_cldfb = nchan_out_cov;
1413 5796 : set_s( channel_active, 1, nchan_out_cov );
1414 5796 : hSynthesisOutputSetup = &st_ivas->hOutSetup;
1415 : }
1416 : else
1417 : {
1418 27287 : nchan_out_cov = nchan_out_transport;
1419 27287 : nchan_out_cldfb = nchan_out_transport;
1420 27287 : set_s( channel_active, 1, nchan_out_cov );
1421 27287 : hSynthesisOutputSetup = &st_ivas->hTransSetup;
1422 : }
1423 :
1424 : /* adapt transient position */
1425 97406 : if ( hParamMC->hMetadataPMC->bAttackPresent )
1426 : {
1427 7861 : hParamMC->hMetadataPMC->attackIndex = (int16_t) max( 0, hParamMC->hMetadataPMC->attackIndex + ( ( nCldfbSlots - DEFAULT_JBM_CLDFB_TIMESLOTS ) / 2 ) );
1428 : }
1429 : /* adapt subframes */
1430 97406 : hParamMC->num_slots = nCldfbSlots;
1431 97406 : hParamMC->slots_rendered = 0;
1432 97406 : hParamMC->subframes_rendered = 0;
1433 97406 : ivas_jbm_dec_get_adapted_subframes( nCldfbSlots, hParamMC->subframe_nbslots, &hParamMC->nb_subframes );
1434 97406 : st_ivas->hTcBuffer->nb_subframes = hParamMC->nb_subframes;
1435 97406 : mvs2s( hParamMC->subframe_nbslots, st_ivas->hTcBuffer->subframe_nbslots, hParamMC->nb_subframes );
1436 :
1437 97406 : ivas_param_mc_dec_compute_interpolator( hParamMC->hMetadataPMC->bAttackPresent, hParamMC->hMetadataPMC->attackIndex, nCldfbSlots, hParamMC->h_output_synthesis_params.interpolator );
1438 :
1439 : /* loop over two bands at a time */
1440 745984 : for ( param_band_idx = 0; param_band_idx < hParamMC->num_param_bands_synth; param_band_idx += 2 )
1441 : {
1442 : /* don't process next band if it exceeds the limit */
1443 648578 : skip_next_band = ( ( param_band_idx + 1 ) == hParamMC->num_param_bands_synth ) ? 1 : 0;
1444 :
1445 648578 : set_zero( cx, PARAM_MC_MAX_TRANSPORT_CHANS * PARAM_MC_MAX_TRANSPORT_CHANS );
1446 648578 : set_zero( cx_imag, PARAM_MC_MAX_TRANSPORT_CHANS * PARAM_MC_MAX_TRANSPORT_CHANS );
1447 648578 : set_zero( cx_next_band, PARAM_MC_MAX_TRANSPORT_CHANS * PARAM_MC_MAX_TRANSPORT_CHANS );
1448 648578 : set_zero( cx_imag_next_band, PARAM_MC_MAX_TRANSPORT_CHANS * PARAM_MC_MAX_TRANSPORT_CHANS );
1449 :
1450 : /* slot loop for gathering the input data */
1451 11029798 : for ( slot_idx = 0; slot_idx < nCldfbSlots; slot_idx++ )
1452 : {
1453 10381220 : if ( slot_idx >= 2 * hParamMC->hMetadataPMC->attackIndex )
1454 : {
1455 30510396 : for ( is_next_band = 0; is_next_band < 2; is_next_band++ )
1456 : {
1457 20340264 : if ( is_next_band && skip_next_band )
1458 : {
1459 481311 : continue;
1460 : }
1461 :
1462 19858953 : ivas_dirac_dec_output_synthesis_cov_param_mc_collect_slot( &hParamMC->Cldfb_RealBuffer_tc[slot_idx * hParamMC->num_freq_bands * nchan_transport],
1463 19858953 : &hParamMC->Cldfb_ImagBuffer_tc[slot_idx * hParamMC->num_freq_bands * nchan_transport],
1464 : is_next_band ? cx_next_band : cx,
1465 : is_next_band ? cx_imag_next_band : cx_imag,
1466 19858953 : param_band_idx + is_next_band,
1467 : hParamMC,
1468 : nchan_transport );
1469 : }
1470 : }
1471 : }
1472 :
1473 : /* map from complex input covariance to real values */
1474 1945734 : for ( is_next_band = 0; is_next_band < 2; is_next_band++ )
1475 : {
1476 1297156 : if ( is_next_band && skip_next_band )
1477 : {
1478 30648 : continue;
1479 : }
1480 : /* Cx for transport channels */
1481 1266508 : pCx = is_next_band ? &cx_next_band[0] : &cx[0];
1482 1266508 : pCx_imag = is_next_band ? &cx_imag_next_band[0] : &cx_imag[0];
1483 8473390 : for ( i = 0; i < nchan_transport * nchan_transport; i++ )
1484 : {
1485 7206882 : real_part = pCx[i];
1486 7206882 : imag_part = pCx_imag[i];
1487 :
1488 : /* (a-ib)(c+id) = ac + bd + i(ad-bc) */
1489 7206882 : if ( param_band_idx < hParamMC->max_param_band_abs_cov )
1490 : {
1491 4321968 : pCx[i] = sqrtf( real_part * real_part + imag_part * imag_part );
1492 : }
1493 : else
1494 : {
1495 2884914 : pCx[i] = real_part;
1496 : }
1497 : }
1498 : }
1499 :
1500 : /* we have to do it similar to the encoder in case of attacks (i.e. accumulate two bands) to ensure correct DMX of the target covariance*/
1501 648578 : if ( hParamMC->hMetadataPMC->bAttackPresent && ( hParamMC->synthesis_conf == PARAM_MC_SYNTH_LS_CONV_COV || hParamMC->synthesis_conf == PARAM_MC_SYNTH_MONO_STEREO ) )
1502 : {
1503 3965 : v_add( cx, cx_next_band, cx, nchan_transport * nchan_transport );
1504 3965 : mvr2r( cx, cx_next_band, nchan_transport * nchan_transport );
1505 : }
1506 :
1507 :
1508 1945734 : for ( is_next_band = 0; is_next_band < 2; is_next_band++ )
1509 : {
1510 1297156 : if ( is_next_band && skip_next_band )
1511 : {
1512 30648 : continue;
1513 : }
1514 :
1515 : /* generate mixing matrices */
1516 1266508 : ivas_param_mc_get_mixing_matrices( hParamMC,
1517 : hSynthesisOutputSetup,
1518 : is_next_band ? cx_next_band : cx,
1519 1266508 : param_band_idx + is_next_band,
1520 1266508 : hParamMC->h_output_synthesis_cov_state.mixing_matrix,
1521 1266508 : hParamMC->h_output_synthesis_cov_state.mixing_matrix_res,
1522 : nchan_out_transport,
1523 : hParamMC->synthesis_conf,
1524 : nchan_transport,
1525 : nchan_out_cov );
1526 : }
1527 : }
1528 :
1529 97406 : pop_wmops();
1530 :
1531 97406 : return;
1532 : }
1533 :
1534 :
1535 : /*-------------------------------------------------------------------------
1536 : * ivas_param_mc_dec_render()
1537 : *
1538 : * Parametric MC rendering process
1539 : *------------------------------------------------------------------------*/
1540 :
1541 139656 : void ivas_param_mc_dec_render(
1542 : Decoder_Struct *st_ivas, /* i/o: IVAS decoder handle */
1543 : const uint16_t nSamplesAsked, /* i : number of CLDFB slots requested */
1544 : uint16_t *nSamplesRendered, /* o : number of CLDFB slots rendered */
1545 : uint16_t *nSamplesAvailableNext, /* o : number of CLDFB slots still to render */
1546 : float *output_f[] /* o : rendered time signal */
1547 : )
1548 : {
1549 : PARAM_MC_DEC_HANDLE hParamMC;
1550 : int16_t i, ch;
1551 : int16_t subframe_idx;
1552 : int16_t slot_idx, slot_idx_start, slot_idx_start_cldfb_synth, first_sf, last_sf, slots_to_render;
1553 : int16_t nchan_transport, nchan_out_transport, nchan_out_cldfb;
1554 : int16_t nchan_out_cov;
1555 : /*CLDFB*/
1556 : float Cldfb_RealBuffer[MAX_INTERN_CHANNELS][PARAM_MC_MAX_NSLOTS_IN_SUBFRAME][CLDFB_NO_CHANNELS_MAX];
1557 : float Cldfb_ImagBuffer[MAX_INTERN_CHANNELS][PARAM_MC_MAX_NSLOTS_IN_SUBFRAME][CLDFB_NO_CHANNELS_MAX];
1558 : float Cldfb_RealBuffer_Binaural[MAX_HEAD_ROT_POSES][BINAURAL_CHANNELS][PARAM_MC_MAX_NSLOTS_IN_SUBFRAME][CLDFB_NO_CHANNELS_MAX];
1559 : float Cldfb_ImagBuffer_Binaural[MAX_HEAD_ROT_POSES][BINAURAL_CHANNELS][PARAM_MC_MAX_NSLOTS_IN_SUBFRAME][CLDFB_NO_CHANNELS_MAX];
1560 : /*Decorrelator*/
1561 : float onset_filter[MAX_LS_CHANNELS * CLDFB_NO_CHANNELS_MAX];
1562 : /* format converter */
1563 : int16_t channel_active[MAX_OUTPUT_CHANNELS];
1564 : uint16_t nband_synth, nbands_to_zero;
1565 : uint16_t nchan_out_init;
1566 : uint32_t output_Fs;
1567 :
1568 139656 : hParamMC = st_ivas->hParamMC;
1569 139656 : assert( hParamMC );
1570 :
1571 139656 : push_wmops( "param_mc_dec_render" );
1572 :
1573 139656 : set_s( channel_active, 0, MAX_LS_CHANNELS );
1574 139656 : nchan_transport = st_ivas->nchan_transport;
1575 139656 : nchan_out_transport = st_ivas->hTransSetup.nchan_out_woLFE + st_ivas->hTransSetup.num_lfe;
1576 139656 : nchan_out_init = nchan_out_transport;
1577 139656 : output_Fs = st_ivas->hDecoderConfig->output_Fs;
1578 :
1579 139656 : if ( st_ivas->renderer_type == RENDERER_BINAURAL_FASTCONV || st_ivas->renderer_type == RENDERER_BINAURAL_FASTCONV_ROOM )
1580 : {
1581 86871 : nchan_out_cldfb = BINAURAL_CHANNELS;
1582 86871 : set_s( channel_active, 1, nchan_out_cldfb );
1583 86871 : if ( st_ivas->hCombinedOrientationData )
1584 : {
1585 44249 : nchan_out_init = MAX_INTERN_CHANNELS;
1586 : }
1587 86871 : nchan_out_cov = st_ivas->hTransSetup.nchan_out_woLFE + st_ivas->hTransSetup.num_lfe;
1588 : }
1589 52785 : else if ( hParamMC->synthesis_conf == PARAM_MC_SYNTH_LS_CONV_CLDFB )
1590 : {
1591 13666 : nchan_out_cov = nchan_out_transport;
1592 13666 : nchan_out_cldfb = st_ivas->hOutSetup.nchan_out_woLFE + st_ivas->hOutSetup.num_lfe;
1593 : }
1594 39119 : else if ( hParamMC->synthesis_conf == PARAM_MC_SYNTH_LS_CONV_COV || hParamMC->synthesis_conf == PARAM_MC_SYNTH_MONO_STEREO )
1595 : {
1596 6396 : nchan_out_cov = st_ivas->hOutSetup.nchan_out_woLFE + st_ivas->hOutSetup.num_lfe;
1597 6396 : nchan_out_cldfb = nchan_out_cov;
1598 6396 : set_s( channel_active, 1, nchan_out_cov );
1599 : }
1600 : else
1601 : {
1602 32723 : nchan_out_cov = nchan_out_transport;
1603 32723 : nchan_out_cldfb = nchan_out_transport;
1604 32723 : set_s( channel_active, 1, nchan_out_cov );
1605 : }
1606 :
1607 : /* set everything to zero that will not be decoded */
1608 139656 : nband_synth = hParamMC->band_grouping[hParamMC->num_param_bands_synth];
1609 139656 : nbands_to_zero = hParamMC->num_freq_bands - nband_synth;
1610 1551782 : for ( ch = 0; ch < nchan_out_init; ch++ )
1611 : {
1612 7060630 : for ( slot_idx = 0; slot_idx < JBM_CLDFB_SLOTS_IN_SUBFRAME; slot_idx++ )
1613 : {
1614 5648504 : set_zero( &( Cldfb_RealBuffer[ch][slot_idx][nband_synth] ), nbands_to_zero );
1615 5648504 : set_zero( &( Cldfb_ImagBuffer[ch][slot_idx][nband_synth] ), nbands_to_zero );
1616 : }
1617 : }
1618 :
1619 : /* loop for synthesis, assume we always have to render in multiples of 5ms subframes with spills */
1620 139656 : slots_to_render = min( hParamMC->num_slots - hParamMC->slots_rendered, nSamplesAsked / NS2SA( output_Fs, CLDFB_SLOT_NS ) );
1621 139656 : *nSamplesRendered = slots_to_render * NS2SA( output_Fs, CLDFB_SLOT_NS );
1622 139656 : first_sf = hParamMC->subframes_rendered;
1623 139656 : last_sf = first_sf;
1624 529900 : while ( slots_to_render > 0 )
1625 : {
1626 390244 : slots_to_render -= hParamMC->subframe_nbslots[last_sf];
1627 390244 : last_sf++;
1628 : }
1629 : #ifdef DEBUGGING
1630 : assert( slots_to_render == 0 );
1631 : #endif
1632 139656 : if ( st_ivas->renderer_type == RENDERER_SBA_LINEAR_ENC )
1633 : {
1634 70710 : for ( subframe_idx = first_sf; subframe_idx < last_sf; subframe_idx++ )
1635 : {
1636 55416 : slots_to_render += hParamMC->subframe_nbslots[subframe_idx];
1637 : }
1638 : }
1639 139656 : slot_idx_start = hParamMC->slots_rendered;
1640 139656 : slot_idx_start_cldfb_synth = 0;
1641 529900 : for ( subframe_idx = first_sf; subframe_idx < last_sf; subframe_idx++ )
1642 : {
1643 1949310 : for ( slot_idx = 0; slot_idx < hParamMC->subframe_nbslots[subframe_idx]; slot_idx++, hParamMC->slots_rendered++ )
1644 : {
1645 :
1646 1559066 : if ( hParamMC->max_band_decorr > 0 )
1647 : {
1648 : /*-----------------------------------------------------------------*
1649 : * protoype signal computation
1650 : *-----------------------------------------------------------------*/
1651 :
1652 1559066 : param_mc_protoSignalComputation( &hParamMC->Cldfb_RealBuffer_tc[hParamMC->slots_rendered * nchan_transport * hParamMC->num_freq_bands],
1653 1559066 : &hParamMC->Cldfb_ImagBuffer_tc[hParamMC->slots_rendered * nchan_transport * hParamMC->num_freq_bands],
1654 1559066 : hParamMC->proto_frame_f, hParamMC->diff_proto_info,
1655 1559066 : hParamMC->num_freq_bands );
1656 :
1657 : /*-----------------------------------------------------------------*
1658 : * frequency domain decorrelation
1659 : *-----------------------------------------------------------------*/
1660 :
1661 : /* decorrelate prototype frame */
1662 1559066 : ivas_dirac_dec_decorr_process( hParamMC->num_freq_bands,
1663 1559066 : hParamMC->num_outputs_diff,
1664 1559066 : hParamMC->diff_proto_info->num_protos_diff,
1665 : DIRAC_SYNTHESIS_COV_MC_LS,
1666 : nchan_transport,
1667 1559066 : hParamMC->proto_frame_f,
1668 1559066 : hParamMC->diff_proto_info->num_protos_diff,
1669 1559066 : hParamMC->diff_proto_info->proto_index_diff,
1670 : hParamMC->proto_frame_dec_f,
1671 : onset_filter,
1672 : hParamMC->h_freq_domain_decorr_ap_params,
1673 : hParamMC->h_freq_domain_decorr_ap_state );
1674 :
1675 : /* copy decorrelated frame directly to output CLDFB buffer, acts also as intermediate */
1676 : /* memory for the decorrelated signal */
1677 1559066 : ivas_param_mc_dec_copy_diffuse_proto( hParamMC, Cldfb_RealBuffer, Cldfb_ImagBuffer, nchan_out_cov, slot_idx );
1678 : }
1679 :
1680 : /*-----------------------------------------------------------------*
1681 : * output synthesis
1682 : *-----------------------------------------------------------------*/
1683 :
1684 1559066 : ivas_dirac_dec_output_synthesis_cov_param_mc_synthesise_slot( &hParamMC->Cldfb_RealBuffer_tc[hParamMC->slots_rendered * nchan_transport * hParamMC->num_freq_bands],
1685 1559066 : &hParamMC->Cldfb_ImagBuffer_tc[hParamMC->slots_rendered * nchan_transport * hParamMC->num_freq_bands],
1686 : Cldfb_RealBuffer, Cldfb_ImagBuffer,
1687 1559066 : hParamMC->h_output_synthesis_cov_state.mixing_matrix, hParamMC->h_output_synthesis_cov_state.mixing_matrix_res, slot_idx, slot_idx + slot_idx_start,
1688 : nchan_transport, nchan_out_cov, hParamMC );
1689 :
1690 1559066 : if ( ( st_ivas->renderer_type == RENDERER_BINAURAL_FASTCONV || st_ivas->renderer_type == RENDERER_BINAURAL_FASTCONV_ROOM ) )
1691 : {
1692 832842 : if (
1693 832842 : st_ivas->hCombinedOrientationData && st_ivas->renderer_type == RENDERER_BINAURAL_FASTCONV )
1694 : {
1695 270186 : ivas_param_mc_mc2sba_cldfb( st_ivas->hTransSetup, hParamMC->hoa_encoder, slot_idx, Cldfb_RealBuffer, Cldfb_ImagBuffer, nband_synth, GAIN_LFE );
1696 : }
1697 : else
1698 : {
1699 : /* remove LFE */
1700 : uint16_t idx_out;
1701 : uint16_t idx_lfe;
1702 : IVAS_OUTPUT_SETUP hLsSetup;
1703 :
1704 562656 : hLsSetup = st_ivas->hTransSetup;
1705 :
1706 : /* If LFE should be rendered, add it to other channels before removing */
1707 562656 : if ( st_ivas->hBinRenderer->render_lfe )
1708 : {
1709 1125312 : for ( idx_lfe = 0; idx_lfe < hLsSetup.num_lfe; idx_lfe++ )
1710 : {
1711 : /* Copy just the first band of LFE*/
1712 562656 : v_multc( Cldfb_RealBuffer[hLsSetup.index_lfe[idx_lfe]][slot_idx], ( GAIN_LFE / hLsSetup.nchan_out_woLFE ), Cldfb_RealBuffer[hLsSetup.index_lfe[idx_lfe]][slot_idx], 1 );
1713 562656 : v_multc( Cldfb_ImagBuffer[hLsSetup.index_lfe[idx_lfe]][slot_idx], ( GAIN_LFE / hLsSetup.nchan_out_woLFE ), Cldfb_ImagBuffer[hLsSetup.index_lfe[idx_lfe]][slot_idx], 1 );
1714 :
1715 4600512 : for ( ch = 0; ch < ( hLsSetup.nchan_out_woLFE + hLsSetup.num_lfe ); ch++ )
1716 : {
1717 4037856 : if ( hLsSetup.index_lfe[idx_lfe] != ch )
1718 : {
1719 3475200 : v_add( Cldfb_RealBuffer[ch][slot_idx], Cldfb_RealBuffer[hLsSetup.index_lfe[idx_lfe]][slot_idx], Cldfb_RealBuffer[ch][slot_idx], 1 );
1720 3475200 : v_add( Cldfb_ImagBuffer[ch][slot_idx], Cldfb_ImagBuffer[hLsSetup.index_lfe[idx_lfe]][slot_idx], Cldfb_ImagBuffer[ch][slot_idx], 1 );
1721 : }
1722 : }
1723 : }
1724 : }
1725 :
1726 562656 : idx_out = 0;
1727 562656 : idx_lfe = 0;
1728 :
1729 4600512 : for ( ch = 0; ch < ( hLsSetup.nchan_out_woLFE + hLsSetup.num_lfe ); ch++ )
1730 : {
1731 4037856 : if ( ( hLsSetup.num_lfe > 0 ) && ( hLsSetup.index_lfe[idx_lfe] == ch ) )
1732 : {
1733 562656 : if ( idx_lfe < ( hLsSetup.num_lfe - 1 ) )
1734 : {
1735 0 : idx_lfe++;
1736 : }
1737 : }
1738 3475200 : else if ( ch != idx_out )
1739 : {
1740 1787232 : mvr2r( Cldfb_RealBuffer[ch][slot_idx], Cldfb_RealBuffer[idx_out][slot_idx], nband_synth );
1741 1787232 : mvr2r( Cldfb_ImagBuffer[ch][slot_idx], Cldfb_ImagBuffer[idx_out][slot_idx], nband_synth );
1742 1787232 : idx_out++;
1743 : }
1744 : else
1745 : {
1746 1687968 : idx_out++;
1747 : }
1748 : }
1749 : }
1750 : }
1751 : }
1752 :
1753 390244 : if ( st_ivas->renderer_type == RENDERER_BINAURAL_FASTCONV || st_ivas->renderer_type == RENDERER_BINAURAL_FASTCONV_ROOM )
1754 : {
1755 208688 : if ( st_ivas->hDecoderConfig->output_config == IVAS_AUDIO_CONFIG_BINAURAL_SPLIT_CODED || st_ivas->hDecoderConfig->output_config == IVAS_AUDIO_CONFIG_BINAURAL_SPLIT_PCM )
1756 : {
1757 29291 : if ( st_ivas->hSplitBinRend->hCldfbDataOut != NULL )
1758 : {
1759 43075 : for ( slot_idx = 0; slot_idx < MAX_PARAM_SPATIAL_SUBFRAMES; slot_idx++ )
1760 : {
1761 585820 : for ( ch = 0; ch < ( st_ivas->hIntSetup.nchan_out_woLFE + st_ivas->hIntSetup.num_lfe ); ch++ )
1762 : {
1763 551360 : mvr2r( Cldfb_RealBuffer[ch][slot_idx], st_ivas->hSplitBinRend->hCldfbDataOut->Cldfb_RealBuffer[ch][slot_idx_start + slot_idx], hParamMC->num_freq_bands );
1764 551360 : mvr2r( Cldfb_ImagBuffer[ch][slot_idx], st_ivas->hSplitBinRend->hCldfbDataOut->Cldfb_ImagBuffer[ch][slot_idx_start + slot_idx], hParamMC->num_freq_bands );
1765 : }
1766 : }
1767 8615 : st_ivas->hSplitBinRend->hCldfbDataOut->config = st_ivas->hIntSetup.output_config;
1768 : }
1769 : }
1770 :
1771 208688 : ivas_binRenderer( st_ivas->hBinRenderer,
1772 29291 : ( st_ivas->hSplitBinRend == NULL ) ? NULL : &st_ivas->hSplitBinRend->splitrend.multiBinPoseData,
1773 : #ifdef SPLIT_REND_WITH_HEAD_ROT_DEBUG
1774 : NULL,
1775 : #endif
1776 : st_ivas->hCombinedOrientationData,
1777 208688 : hParamMC->subframe_nbslots[subframe_idx],
1778 : Cldfb_RealBuffer_Binaural, Cldfb_ImagBuffer_Binaural, Cldfb_RealBuffer, Cldfb_ImagBuffer );
1779 :
1780 208688 : if ( st_ivas->hDecoderConfig->output_config == IVAS_AUDIO_CONFIG_BINAURAL_SPLIT_CODED || st_ivas->hDecoderConfig->output_config == IVAS_AUDIO_CONFIG_BINAURAL_SPLIT_PCM )
1781 : {
1782 : int16_t pos_idx;
1783 148178 : for ( pos_idx = 0; pos_idx < st_ivas->hBinRenderer->numPoses; pos_idx++ )
1784 : {
1785 588156 : for ( slot_idx = 0; slot_idx < hParamMC->subframe_nbslots[subframe_idx]; slot_idx++ )
1786 : {
1787 1407807 : for ( ch = 0; ch < nchan_out_cldfb; ch++ )
1788 : {
1789 : #ifdef FIX_1119_SPLIT_RENDERING_VOIP
1790 938538 : ivas_CLDFB_RINGBUF_Push(
1791 938538 : st_ivas->hSplitBinRend->hMultiBinCldfbData[pos_idx * BINAURAL_CHANNELS + ch],
1792 938538 : Cldfb_RealBuffer_Binaural[pos_idx][ch][slot_idx],
1793 938538 : Cldfb_ImagBuffer_Binaural[pos_idx][ch][slot_idx],
1794 938538 : hParamMC->num_freq_bands );
1795 : #else
1796 : mvr2r( Cldfb_RealBuffer_Binaural[pos_idx][ch][slot_idx], st_ivas->hSplitBinRend->hMultiBinCldfbData->Cldfb_RealBuffer_Binaural[( pos_idx * BINAURAL_CHANNELS ) + ch][slot_idx_start + slot_idx], hParamMC->num_freq_bands );
1797 : mvr2r( Cldfb_ImagBuffer_Binaural[pos_idx][ch][slot_idx], st_ivas->hSplitBinRend->hMultiBinCldfbData->Cldfb_ImagBuffer_Binaural[( pos_idx * BINAURAL_CHANNELS ) + ch][slot_idx_start + slot_idx], hParamMC->num_freq_bands );
1798 : #endif
1799 : }
1800 : }
1801 : }
1802 : }
1803 :
1804 : /* update combined orientation access index */
1805 208688 : ivas_combined_orientation_update_index( st_ivas->hCombinedOrientationData, hParamMC->num_freq_bands * hParamMC->subframe_nbslots[subframe_idx] );
1806 : }
1807 181556 : else if ( hParamMC->synthesis_conf == PARAM_MC_SYNTH_LS_CONV_CLDFB )
1808 : {
1809 : /* format conversion*/
1810 49224 : ivas_lssetupconversion_process_param_mc( st_ivas, hParamMC->subframe_nbslots[subframe_idx], Cldfb_RealBuffer, Cldfb_ImagBuffer, channel_active );
1811 : }
1812 :
1813 : /* CLDFB synthesis */
1814 2324204 : for ( ch = 0; ch < nchan_out_cldfb; ch++ )
1815 : {
1816 : float *RealBuffer[16];
1817 : float *ImagBuffer[16];
1818 :
1819 1933960 : if ( channel_active[ch] )
1820 : {
1821 : /* open CLDFB buffer up to CLDFB_NO_CHANNELS_MAX bands for 48kHz */
1822 8842660 : for ( i = 0; i < hParamMC->subframe_nbslots[subframe_idx]; i++ )
1823 : {
1824 7073364 : if ( st_ivas->renderer_type == RENDERER_BINAURAL_FASTCONV || st_ivas->renderer_type == RENDERER_BINAURAL_FASTCONV_ROOM )
1825 : {
1826 1665684 : RealBuffer[i] = Cldfb_RealBuffer_Binaural[0][ch][i];
1827 1665684 : ImagBuffer[i] = Cldfb_ImagBuffer_Binaural[0][ch][i];
1828 : }
1829 : else
1830 : {
1831 5407680 : RealBuffer[i] = Cldfb_RealBuffer[ch][i];
1832 5407680 : ImagBuffer[i] = Cldfb_ImagBuffer[ch][i];
1833 : }
1834 : }
1835 :
1836 1769296 : cldfbSynthesis( RealBuffer, ImagBuffer, &( output_f[ch][slot_idx_start_cldfb_synth * hParamMC->num_freq_bands] ),
1837 1769296 : hParamMC->num_freq_bands * hParamMC->subframe_nbslots[subframe_idx], st_ivas->cldfbSynDec[ch] );
1838 : }
1839 : else
1840 : {
1841 164664 : set_f( &( output_f[ch][slot_idx_start_cldfb_synth * hParamMC->num_freq_bands] ), 0.0f, hParamMC->num_freq_bands * hParamMC->subframe_nbslots[subframe_idx] );
1842 : }
1843 : }
1844 390244 : slot_idx_start += hParamMC->subframe_nbslots[subframe_idx];
1845 390244 : slot_idx_start_cldfb_synth += hParamMC->subframe_nbslots[subframe_idx];
1846 : }
1847 :
1848 139656 : if ( st_ivas->renderer_type == RENDERER_SBA_LINEAR_ENC )
1849 : {
1850 15294 : ivas_mc2sba( st_ivas->hIntSetup, output_f, output_f, hParamMC->num_freq_bands * slots_to_render, st_ivas->hOutSetup.ambisonics_order, 0.f );
1851 : }
1852 :
1853 : /* update */
1854 139656 : if ( hParamMC->slots_rendered == hParamMC->num_slots )
1855 : {
1856 97406 : hParamMC->hMetadataPMC->last_coded_bwidth = hParamMC->hMetadataPMC->coded_bwidth;
1857 97406 : param_mc_update_mixing_matrices( hParamMC, hParamMC->h_output_synthesis_cov_state.mixing_matrix, hParamMC->h_output_synthesis_cov_state.mixing_matrix_res, nchan_transport, nchan_out_cov );
1858 : }
1859 139656 : hParamMC->subframes_rendered = last_sf;
1860 139656 : *nSamplesAvailableNext = ( hParamMC->num_slots - hParamMC->slots_rendered ) * NS2SA( output_Fs, CLDFB_SLOT_NS );
1861 139656 : pop_wmops();
1862 :
1863 139656 : return;
1864 : }
1865 :
1866 :
1867 : /*-------------------------------------------------------------------------
1868 : * param_mc_dec_init()
1869 : *
1870 : * Parametric MC decoding initialization
1871 : *------------------------------------------------------------------------*/
1872 :
1873 2403 : static void ivas_param_mc_dec_init(
1874 : PARAM_MC_DEC_HANDLE hParamMC, /* i/o: decoder DirAC handle */
1875 : const int16_t nchan_transport, /* i : number of input (transport) channels */
1876 : const int16_t nchan_cov ) /* i : number of cov synthesis channels */
1877 : {
1878 : int16_t k;
1879 : uint16_t max_param_band_residual;
1880 : int16_t len;
1881 :
1882 : /*-----------------------------------------------------------------*
1883 : * init sub-modules
1884 : *-----------------------------------------------------------------*/
1885 :
1886 : /* decorrelation */
1887 2403 : if ( hParamMC->max_band_decorr > 0 )
1888 : {
1889 2229 : len = hParamMC->diff_proto_info->num_protos_diff * hParamMC->h_freq_domain_decorr_ap_params->h_onset_detection_power_params.max_band_decorr;
1890 :
1891 : /* init onsetDetectionPower */
1892 2229 : set_zero( hParamMC->h_freq_domain_decorr_ap_state->h_onset_detection_power_state.onset_detector_1, len );
1893 2229 : set_zero( hParamMC->h_freq_domain_decorr_ap_state->h_onset_detection_power_state.onset_detector_2, len );
1894 : }
1895 :
1896 2403 : max_param_band_residual = 0;
1897 :
1898 : /* output synthesis */
1899 11599 : for ( k = hParamMC->hMetadataPMC->num_parameter_bands; k >= 0; k-- )
1900 : {
1901 11599 : if ( hParamMC->band_grouping[k] <= hParamMC->max_band_decorr )
1902 : {
1903 2403 : max_param_band_residual = k;
1904 : #ifdef DEBUGGING
1905 : assert( hParamMC->band_grouping[k] == hParamMC->max_band_decorr );
1906 : #endif
1907 2403 : break;
1908 : }
1909 : }
1910 :
1911 2403 : ivas_dirac_dec_output_synthesis_cov_init( &( hParamMC->h_output_synthesis_cov_state ), nchan_transport, nchan_cov, hParamMC->hMetadataPMC->num_parameter_bands, max_param_band_residual );
1912 :
1913 : /*-----------------------------------------------------------------*
1914 : * init proto frames
1915 : *-----------------------------------------------------------------*/
1916 :
1917 2403 : if ( hParamMC->max_band_decorr > 0 )
1918 : {
1919 2229 : set_zero( hParamMC->proto_frame_f, 2 * hParamMC->diff_proto_info->num_protos_diff * hParamMC->num_freq_bands );
1920 2229 : set_zero( hParamMC->proto_frame_dec_f, 2 * nchan_cov * hParamMC->num_freq_bands );
1921 : }
1922 :
1923 2403 : return;
1924 : }
1925 :
1926 :
1927 : /*-------------------------------------------------------------------------
1928 : * Local functions
1929 : *-------------------------------------------------------------------------*/
1930 :
1931 :
1932 : /*-------------------------------------------------------------------------
1933 : * ivas_param_mc_dec_compute_diffuse_proto()
1934 : *
1935 : * Compute prototypes for decorrelation
1936 : *------------------------------------------------------------------------*/
1937 :
1938 1559066 : static void param_mc_protoSignalComputation(
1939 : float *RealBuffer, /* i : CLDFB samples of the transport channels (real part) */
1940 : float *ImagBuffer, /* i : CLDFB samples of the transport channels (imaginary part) */
1941 : float *proto_frame_f, /* o : interleaved complex prototype CLDFB samples */
1942 : const PARAM_MC_DIFF_PROTO_INFO *diff_proto_info, /* i : prototype generation information */
1943 : const int16_t num_freq_bands /* i : number of frequency bands for the prototypes */
1944 : )
1945 : {
1946 : int16_t band;
1947 : int16_t proto_ch_idx, source_ch_cnt;
1948 : float *p_proto_frame;
1949 : float *p_real_buffer;
1950 : float *p_imag_buffer;
1951 :
1952 1559066 : set_zero( proto_frame_f, 2 * num_freq_bands * diff_proto_info->num_protos_diff );
1953 :
1954 6421736 : for ( proto_ch_idx = 0; proto_ch_idx < diff_proto_info->num_protos_diff; proto_ch_idx++ )
1955 : {
1956 4862670 : int16_t num_source_ch = diff_proto_info->num_source_chan_diff[proto_ch_idx];
1957 :
1958 10821045 : for ( source_ch_cnt = 0; source_ch_cnt < num_source_ch; source_ch_cnt++ )
1959 : {
1960 5958375 : float fac = diff_proto_info->proto_fac[proto_ch_idx][source_ch_cnt];
1961 5958375 : int16_t source_ch_idx = diff_proto_info->source_chan_idx[proto_ch_idx][source_ch_cnt];
1962 :
1963 5958375 : p_proto_frame = &proto_frame_f[proto_ch_idx * num_freq_bands * 2];
1964 5958375 : p_real_buffer = &RealBuffer[source_ch_idx * num_freq_bands];
1965 5958375 : p_imag_buffer = &ImagBuffer[source_ch_idx * num_freq_bands];
1966 :
1967 287453115 : for ( band = 0; band < num_freq_bands; band++ )
1968 : {
1969 281494740 : *( p_proto_frame++ ) += fac * ( *( p_real_buffer++ ) );
1970 281494740 : *( p_proto_frame++ ) += fac * ( *( p_imag_buffer++ ) );
1971 : }
1972 : }
1973 : }
1974 :
1975 1559066 : return;
1976 : }
1977 :
1978 :
1979 : /*-------------------------------------------------------------------------
1980 : * ivas_param_mc_dec_compute_diffuse_proto()
1981 : *
1982 : * Transfer decorrelated signals back from the decorrelator buffer to
1983 : * the buffers used in the final synthesis
1984 : *------------------------------------------------------------------------*/
1985 :
1986 1559066 : static void ivas_param_mc_dec_copy_diffuse_proto(
1987 : PARAM_MC_DEC_HANDLE hParamMC, /* i : Parametric MC handle */
1988 : float Cldfb_buffer_real[MAX_LS_CHANNELS][PARAM_MC_MAX_NSLOTS_IN_SUBFRAME][CLDFB_NO_CHANNELS_MAX], /* o : CLDFB buffer used in the final synthesis (real part) */
1989 : float Cldfb_buffer_imag[MAX_LS_CHANNELS][PARAM_MC_MAX_NSLOTS_IN_SUBFRAME][CLDFB_NO_CHANNELS_MAX], /* o : CLDFB buffer used in the final synthesis (imaginary part) */
1990 : const int16_t nY, /* i : number of decorrelated channels */
1991 : const int16_t slot_idx /* i : current time slot index */
1992 : )
1993 : {
1994 : int16_t k, l;
1995 : int16_t num_freq_bands, num_freq_bands_diff;
1996 : float *p_proto_diff;
1997 :
1998 1559066 : num_freq_bands = hParamMC->num_freq_bands;
1999 1559066 : num_freq_bands_diff = hParamMC->h_output_synthesis_params.max_band_decorr;
2000 :
2001 13454606 : for ( k = 0; k < nY; k++ )
2002 : {
2003 11895540 : p_proto_diff = hParamMC->proto_frame_dec_f + k * 2 * num_freq_bands;
2004 249806340 : for ( l = 0; l < num_freq_bands_diff; l++ )
2005 : {
2006 237910800 : Cldfb_buffer_real[k][slot_idx][l] = *( p_proto_diff++ );
2007 237910800 : Cldfb_buffer_imag[k][slot_idx][l] = *( p_proto_diff++ );
2008 : }
2009 : }
2010 :
2011 1559066 : return;
2012 : }
2013 :
2014 :
2015 : /*-------------------------------------------------------------------------
2016 : * ivas_param_mc_bin2dec()
2017 : *
2018 : * decode a number of bits to an integer
2019 : *------------------------------------------------------------------------*/
2020 : /* r : decoded integer */
2021 102368 : static int16_t ivas_param_mc_bin2dec(
2022 : uint16_t bits[PARAM_MC_MAX_BITS], /* i : bit buffer */
2023 : const int16_t N /* i : number of bits to decode */
2024 : )
2025 : {
2026 : int16_t i;
2027 : int16_t out;
2028 :
2029 102368 : assert( N <= 16 );
2030 102368 : out = 0;
2031 409472 : for ( i = 0; i < N; i++ )
2032 : {
2033 307104 : out += ( bits[i] << ( N - 1 - i ) );
2034 : }
2035 :
2036 102368 : return out;
2037 : }
2038 :
2039 :
2040 : /*-------------------------------------------------------------------------
2041 : * ivas_param_mc_uniform_decoder()
2042 : *
2043 : * decode a uniformily coded sequence of float values
2044 : *------------------------------------------------------------------------*/
2045 :
2046 3607 : static int16_t ivas_param_mc_uniform_decoder(
2047 : float *seq, /* o : decoded sequence of float values */
2048 : const int16_t sz_seq, /* i : number of values to decode */
2049 : const float *alphabet, /* i : codebook */
2050 : const int16_t N, /* i : number of bits per coded index */
2051 : uint16_t bit_buffer[PARAM_MC_MAX_BITS] /* i : bit buffer to decode */
2052 : )
2053 : {
2054 : int16_t i;
2055 : int16_t idx;
2056 : int16_t n_bits;
2057 :
2058 3607 : n_bits = 0;
2059 3607 : assert( N * sz_seq < PARAM_MC_MAX_BITS );
2060 :
2061 105975 : for ( i = 0; i < sz_seq; ++i )
2062 : {
2063 102368 : idx = ivas_param_mc_bin2dec( &bit_buffer[i * N], N );
2064 102368 : seq[i] = alphabet[idx];
2065 : }
2066 :
2067 3607 : n_bits = N * sz_seq;
2068 :
2069 3607 : return n_bits;
2070 : }
2071 :
2072 :
2073 : /*-------------------------------------------------------------------------
2074 : * ivas_param_mc_range_decoder_LC()
2075 : *
2076 : * decode a sequency of inidices coded with a range coder
2077 : *------------------------------------------------------------------------*/
2078 :
2079 194099 : static int16_t ivas_param_mc_range_decoder_LC(
2080 : uint16_t *bit_buffer, /* i : bit buffer to read from */
2081 : int16_t *x, /* o : decoded indices */
2082 : int16_t *BER_detect, /* o : flag for indicating a bit error */
2083 : const int16_t sz_seq, /* i : size of the sequence to be decoded */
2084 : const int16_t sz_alphabet, /* i : size of the alphabet */
2085 : const uint16_t *cft, /* i : cumulative frequency table */
2086 : const uint16_t *sft, /* i : symbol frequency table */
2087 : const int16_t tot_shift, /* i : total frequency as a power of 2 */
2088 : const int16_t nbbits /* i : maximum bit budget */
2089 : )
2090 : {
2091 : RangeUniDecState rc_st_dec; /* State of the range decoder */
2092 : int16_t cur_bit_pos;
2093 : int16_t k;
2094 : int16_t r;
2095 :
2096 : /* Start Decoding */
2097 : /* Initialize range decoder */
2098 194099 : cur_bit_pos = 0;
2099 194099 : rc_uni_dec_init( &rc_st_dec, bit_buffer, nbbits - 32 ); /* (nbbits + 30) entries are read by the decoder */
2100 :
2101 : /* Main Loop through the indices */
2102 8168183 : for ( k = 0; k < sz_seq; k++ )
2103 : {
2104 7974084 : r = rc_uni_dec_read_symbol_fastS( &rc_st_dec, cft, sft, sz_alphabet, tot_shift ); /*Alphabet size = 17 (2^4 = 16 MSB symbols + 1 ESC symbol) */
2105 : /* r is the symbol read, the possible values are {0,1,....alphabet_size - 1} */
2106 :
2107 : /* Update bitstream pointer */
2108 7974084 : cur_bit_pos = rc_uni_dec_virtual_finish( &rc_st_dec );
2109 :
2110 : /* Confirm that there is no overflow */
2111 7974084 : if ( cur_bit_pos > nbbits )
2112 : {
2113 0 : *BER_detect |= 1;
2114 : }
2115 :
2116 7974084 : x[k] = r;
2117 : }
2118 :
2119 : /* We don't need to finish because virtual_finish() already does the same */
2120 : /*st->next_bit_pos = rc_uni_dec_finish(&rc_st_dec);*/
2121 :
2122 : /* Check for bitstream errors */
2123 194099 : if ( rc_st_dec.bit_error_detected != 0 )
2124 : {
2125 0 : *BER_detect |= 1;
2126 : }
2127 :
2128 194099 : return cur_bit_pos;
2129 : }
2130 :
2131 :
2132 : /*-------------------------------------------------------------------------
2133 : * param_mc_compute_interpolator()
2134 : *
2135 : * compute the interpolator used in the final synthesis
2136 : *------------------------------------------------------------------------*/
2137 :
2138 100037 : static void ivas_param_mc_dec_compute_interpolator(
2139 : const uint16_t bAttackPresent, /* i : flag indicating if we have a transient in the current frame */
2140 : const uint16_t attackPos, /* i : position of the transient */
2141 : const uint16_t interp_length, /* i : number of interpolation values to be calculated */
2142 : float *interpolator /* o : interpolator */
2143 : )
2144 : {
2145 : int16_t idx;
2146 :
2147 100037 : if ( bAttackPresent )
2148 : {
2149 39117 : for ( idx = 0; idx < 2 * attackPos; idx++ )
2150 : {
2151 31256 : interpolator[idx] = 0.0f;
2152 : }
2153 102466 : for ( ; idx < interp_length; idx++ )
2154 : {
2155 94605 : interpolator[idx] = 1.0f;
2156 : }
2157 : }
2158 : else
2159 : {
2160 92176 : ivas_jbm_dec_get_adapted_linear_interpolator( DEFAULT_JBM_CLDFB_TIMESLOTS, interp_length, interpolator );
2161 : }
2162 :
2163 100037 : return;
2164 : }
2165 :
2166 :
2167 : /*-------------------------------------------------------------------------
2168 : * remove_lfe_from_cy()
2169 : *
2170 : * remove all LFE related values from a covariance matrix
2171 : *------------------------------------------------------------------------*/
2172 :
2173 1212043 : static void remove_lfe_from_cy(
2174 : const int16_t nY, /* i : dimension of the covariance matrix */
2175 : int16_t lfe_indices[PARAM_MC_LOCAL_SZ_LFE_MAP], /* i : LFE index */
2176 : int16_t num_lfe, /* i : number of LFEs */
2177 : float *cy, /* i : covariance matrix */
2178 : float *cy_woLFE ) /* o : covariance matrix with LFE removed */
2179 : {
2180 : int16_t ch_idx1, ch_idx2;
2181 : int16_t lfe_idx1, lfe_idx2;
2182 : float *ptrCy;
2183 : float *ptrCy_out;
2184 :
2185 1212043 : ptrCy = cy;
2186 1212043 : ptrCy_out = cy_woLFE;
2187 :
2188 3636129 : for ( lfe_idx1 = 0; lfe_idx1 < num_lfe + 1; lfe_idx1++ )
2189 : {
2190 10494429 : for ( ch_idx1 = lfe_indices[lfe_idx1] + 1; ch_idx1 < lfe_indices[lfe_idx1 + 1]; ch_idx1++ )
2191 : {
2192 24211029 : for ( lfe_idx2 = 0; lfe_idx2 < num_lfe + 1; lfe_idx2++ )
2193 : {
2194 74581369 : for ( ch_idx2 = lfe_indices[lfe_idx2] + 1; ch_idx2 < lfe_indices[lfe_idx2 + 1]; ch_idx2++ )
2195 : {
2196 58440683 : *( ptrCy_out++ ) = *( ptrCy++ );
2197 : }
2198 16140686 : ptrCy++;
2199 : }
2200 8070343 : ptrCy--;
2201 : }
2202 2424086 : ptrCy += nY;
2203 : }
2204 :
2205 1212043 : return;
2206 : }
2207 :
2208 :
2209 : /*-------------------------------------------------------------------------
2210 : * ivas_param_mc_get_mixing_matrices()
2211 : *
2212 : * calculate the direct and residual mixing matrices
2213 : * using the covariance method
2214 : *------------------------------------------------------------------------*/
2215 :
2216 1266508 : static void ivas_param_mc_get_mixing_matrices(
2217 : PARAM_MC_DEC_HANDLE hParamMC, /* i : Parametric MC handle */
2218 : IVAS_OUTPUT_SETUP *hSynthesisOutputSetup,
2219 : float Cx_in[PARAM_MC_MAX_TRANSPORT_CHANS * PARAM_MC_MAX_TRANSPORT_CHANS], /* i : input covariance for all parameter bands */
2220 : const int16_t param_band_idx, /* i : parameter band index */
2221 : float *mixing_matrix[], /* o : direct mixing matrices for all parameter bands */
2222 : float *mixing_matrix_res[], /* o : residual mixing matrices for all parameter bands */
2223 : const int16_t nY_intern, /* i : number of channels in the transported format */
2224 : const PARAM_MC_SYNTHESIS_CONF synth_config, /* i : Parametric MC synthesis config */
2225 : const int16_t nX, /* i : number of transport channels */
2226 : const int16_t nY_cov /* i : number of covariance synthesis output channels */
2227 : )
2228 : {
2229 : float Cx[PARAM_MC_MAX_TRANSPORT_CHANS * PARAM_MC_MAX_TRANSPORT_CHANS];
2230 : float Cy[MAX_LS_CHANNELS * MAX_LS_CHANNELS];
2231 : float Cy_diag[MAX_LS_CHANNELS];
2232 : float Cr[MAX_LS_CHANNELS * MAX_LS_CHANNELS];
2233 : float Cproto_diag[MAX_LS_CHANNELS];
2234 : float Cproto[MAX_LS_CHANNELS * MAX_LS_CHANNELS];
2235 : float mat_mult_buffer1[MAX_LS_CHANNELS * MAX_LS_CHANNELS];
2236 : float *Cx_state;
2237 : float *Cx_old_state;
2238 : float Cy_state[MAX_LS_CHANNELS * MAX_LS_CHANNELS];
2239 : float *Cy_old_state;
2240 : int16_t nY_band;
2241 : float proto_matrix_noLFE[PARAM_MC_MAX_TRANSPORT_CHANS * MAX_LS_CHANNELS];
2242 : float *proto_matrix_ptr;
2243 : int16_t num_lfe_bands;
2244 : int16_t brange[2];
2245 : uint16_t i;
2246 : int16_t ch_idx1, ch_idx2, lfe_idx1, lfe_idx2;
2247 : float *ptrMM;
2248 : float *ptrMM_out;
2249 : float Cy_full[MAX_LS_CHANNELS * MAX_LS_CHANNELS];
2250 : float mixing_matrix_local[MAX_LS_CHANNELS * PARAM_MC_MAX_TRANSPORT_CHANS];
2251 : float mixing_matrix_res_local[MAX_LS_CHANNELS * MAX_LS_CHANNELS];
2252 : int16_t remove_lfe;
2253 : int16_t lfe_indices[PARAM_MC_LOCAL_SZ_LFE_MAP];
2254 :
2255 1266508 : set_zero( Cproto, MAX_LS_CHANNELS * MAX_LS_CHANNELS );
2256 1266508 : set_zero( mat_mult_buffer1, MAX_LS_CHANNELS * MAX_LS_CHANNELS );
2257 1266508 : set_zero( proto_matrix_noLFE, PARAM_MC_MAX_TRANSPORT_CHANS * MAX_LS_CHANNELS );
2258 :
2259 1266508 : nY_band = nY_cov;
2260 1266508 : num_lfe_bands = 0;
2261 1266508 : remove_lfe = 0;
2262 :
2263 1266508 : set_s( lfe_indices, -1, PARAM_MC_LOCAL_SZ_LFE_MAP );
2264 1266508 : if ( hSynthesisOutputSetup->num_lfe )
2265 : {
2266 : float *proto_matrix_ptr_in;
2267 : #ifdef DEBUGGING
2268 : assert( ( nY_cov == ( hSynthesisOutputSetup->nchan_out_woLFE + hSynthesisOutputSetup->num_lfe ) ) && "Number of channels do not match!" );
2269 : #endif
2270 2533016 : for ( lfe_idx1 = 0; lfe_idx1 < hSynthesisOutputSetup->num_lfe; lfe_idx1++ )
2271 : {
2272 1266508 : lfe_indices[lfe_idx1 + 1] = hSynthesisOutputSetup->index_lfe[lfe_idx1];
2273 : }
2274 1266508 : lfe_indices[hSynthesisOutputSetup->num_lfe + 1] = nY_cov;
2275 1266508 : proto_matrix_ptr = &proto_matrix_noLFE[0];
2276 1266508 : proto_matrix_ptr_in = &hParamMC->h_output_synthesis_params.proto_matrix[0];
2277 1266508 : set_zero( proto_matrix_noLFE, PARAM_MC_MAX_TRANSPORT_CHANS * MAX_LS_CHANNELS );
2278 :
2279 4227694 : for ( ch_idx1 = 0; ch_idx1 < nX; ch_idx1++ )
2280 : {
2281 8883558 : for ( lfe_idx1 = 0; lfe_idx1 < hSynthesisOutputSetup->num_lfe + 1; lfe_idx1++ )
2282 : {
2283 26631562 : for ( ch_idx2 = lfe_indices[lfe_idx1] + 1; ch_idx2 < lfe_indices[lfe_idx1 + 1]; ch_idx2++ )
2284 : {
2285 20709190 : *( proto_matrix_ptr++ ) = *( proto_matrix_ptr_in++ );
2286 : }
2287 5922372 : proto_matrix_ptr_in++;
2288 : }
2289 2961186 : proto_matrix_ptr_in--;
2290 : }
2291 : }
2292 :
2293 1266508 : if ( hParamMC->hMetadataPMC->lfe_on )
2294 : {
2295 727534 : num_lfe_bands = PARAM_MC_MAX_BAND_LFE;
2296 : }
2297 :
2298 1266508 : if ( hSynthesisOutputSetup->num_lfe > 0 && param_band_idx >= num_lfe_bands )
2299 : {
2300 1212043 : remove_lfe = 1;
2301 1212043 : nY_band = nY_cov - hSynthesisOutputSetup->num_lfe;
2302 1212043 : proto_matrix_ptr = proto_matrix_noLFE;
2303 : }
2304 : else
2305 : {
2306 54465 : proto_matrix_ptr = hParamMC->h_output_synthesis_params.proto_matrix;
2307 : }
2308 :
2309 1266508 : brange[0] = hParamMC->band_grouping[param_band_idx];
2310 1266508 : brange[1] = hParamMC->band_grouping[param_band_idx + 1];
2311 :
2312 1266508 : Cx_state = Cx_in;
2313 1266508 : Cx_old_state = hParamMC->h_output_synthesis_cov_state.cx_old[param_band_idx];
2314 1266508 : Cy_old_state = hParamMC->h_output_synthesis_cov_state.cy_old[param_band_idx];
2315 :
2316 : /* Getting mixing mtx */
2317 : /* estimate target cov from input cov and proto_matrix */
2318 1266508 : matrix_product( hParamMC->proto_matrix_int, nY_intern, nX, 0, Cx_state, nX, nX, 0, mat_mult_buffer1 );
2319 :
2320 1266508 : matrix_product( mat_mult_buffer1, nY_intern, nX, 0, hParamMC->proto_matrix_int, nY_intern, nX, 1, Cproto );
2321 :
2322 11227404 : for ( ch_idx1 = 0; ch_idx1 < nY_intern; ch_idx1++ )
2323 : {
2324 9960896 : if ( Cproto[ch_idx1 + ch_idx1 * nY_intern] < 0.0f )
2325 : {
2326 0 : Cproto[ch_idx1 + ch_idx1 * nY_intern] = 0.0f;
2327 : }
2328 : }
2329 :
2330 1266508 : ivas_param_mc_dequantize_cov( hParamMC,
2331 1266508 : hParamMC->icld_q + param_band_idx * hParamMC->hMetadataPMC->ild_mapping_conf->ild_map_size_lfe,
2332 1266508 : hParamMC->icc_q + param_band_idx * hParamMC->hMetadataPMC->icc_mapping_conf->icc_map_size_lfe,
2333 : param_band_idx, nY_cov,
2334 : synth_config,
2335 : nY_intern,
2336 : nX, Cx_state, Cproto, Cy_state );
2337 :
2338 : /* Smoothing: Sum over two buffers */
2339 1266508 : if ( hParamMC->hMetadataPMC->bAttackPresent )
2340 : {
2341 : /* no smoothing on attacks */
2342 106400 : mvr2r( Cx_state, Cx, nX * nX );
2343 106400 : mvr2r( Cy_state, Cy_full, nY_cov * nY_cov );
2344 : }
2345 : else
2346 : {
2347 : /* smoothing gains are now identical to one, simply add up */
2348 1160108 : v_add( Cx_state, Cx_old_state, Cx, nX * nX );
2349 1160108 : v_add( Cy_state, Cy_old_state, Cy_full, nY_cov * nY_cov );
2350 : }
2351 :
2352 : /* cov buffer update */
2353 1266508 : mvr2r( Cx_state, Cx_old_state, nX * nX );
2354 1266508 : mvr2r( Cy_state, Cy_old_state, nY_cov * nY_cov );
2355 :
2356 : /* remove LFE if necessary */
2357 1266508 : if ( remove_lfe )
2358 : {
2359 1212043 : remove_lfe_from_cy( nY_cov, lfe_indices, hSynthesisOutputSetup->num_lfe, Cy_full, Cy );
2360 : }
2361 : else
2362 : {
2363 54465 : mvr2r( Cy_full, Cy, nY_band * nY_band );
2364 : }
2365 :
2366 1266508 : matrix_product( proto_matrix_ptr, nY_band, nX, 0, Cx, nX, nX, 0, mat_mult_buffer1 );
2367 :
2368 1266508 : matrix_product_diag( mat_mult_buffer1, nY_band, nX, 0, proto_matrix_ptr, nY_band, nX, 1, Cproto_diag );
2369 :
2370 : /* make sure we have no negative entries in Cproto_diag due to rounding errors */
2371 9809909 : for ( ch_idx1 = 0; ch_idx1 < nY_band; ch_idx1++ )
2372 : {
2373 8543401 : if ( Cproto_diag[ch_idx1] < 0.0f )
2374 : {
2375 0 : Cproto_diag[ch_idx1] = 0.0f;
2376 : }
2377 : }
2378 :
2379 : /* Computing the mixing matrices */
2380 :
2381 : /* bands with decorr */
2382 1266508 : if ( brange[0] < hParamMC->h_output_synthesis_params.max_band_decorr )
2383 : {
2384 1051747 : computeMixingMatrices( nX, nY_band, Cx, Cy, proto_matrix_ptr, 0, PARAM_MC_REG_SX, PARAM_MC_REG_GHAT, mixing_matrix_local, Cr );
2385 :
2386 : /* Compute mixing matrix for residual */
2387 1051747 : computeMixingMatricesResidual( nY_band, Cproto_diag, Cr, PARAM_MC_REG_SX, PARAM_MC_REG_GHAT, mixing_matrix_res_local );
2388 :
2389 1051747 : if ( remove_lfe )
2390 : {
2391 997282 : set_zero( mixing_matrix_res[param_band_idx], nY_cov * nY_cov );
2392 :
2393 997282 : ptrMM = mixing_matrix_res_local;
2394 997282 : ptrMM_out = mixing_matrix_res[param_band_idx];
2395 2991846 : for ( lfe_idx1 = 0; lfe_idx1 < hSynthesisOutputSetup->num_lfe + 1; lfe_idx1++ )
2396 : {
2397 8619496 : for ( ch_idx1 = lfe_indices[lfe_idx1] + 1; ch_idx1 < lfe_indices[lfe_idx1 + 1]; ch_idx1++ )
2398 : {
2399 19874796 : for ( lfe_idx2 = 0; lfe_idx2 < hSynthesisOutputSetup->num_lfe + 1; lfe_idx2++ )
2400 : {
2401 61053618 : for ( ch_idx2 = lfe_indices[lfe_idx2] + 1; ch_idx2 < lfe_indices[lfe_idx2 + 1]; ch_idx2++ )
2402 : {
2403 47803754 : *( ptrMM_out++ ) = *( ptrMM++ );
2404 : }
2405 13249864 : ptrMM_out++;
2406 : }
2407 6624932 : ptrMM_out--;
2408 : }
2409 1994564 : ptrMM_out += nY_cov;
2410 : }
2411 : }
2412 : else
2413 : {
2414 54465 : mvr2r( mixing_matrix_res_local, mixing_matrix_res[param_band_idx], nY_cov * nY_cov );
2415 : }
2416 : }
2417 214761 : else if ( brange[0] < hParamMC->max_band_energy_compensation )
2418 : {
2419 : /* Compute mixing matrices (energy compensation only) */
2420 214761 : computeMixingMatrices( nX, nY_band, Cx, Cy, proto_matrix_ptr, 1, PARAM_MC_REG_SX, PARAM_MC_REG_GHAT, mixing_matrix_local, Cr );
2421 : }
2422 : else
2423 : {
2424 : /*if neither decorrelation nor energy compensation is applied*/
2425 0 : for ( i = 0; i < nY_band; i++ )
2426 : {
2427 0 : Cy_diag[i] = Cy[i + nY_band * i];
2428 0 : Cy_diag[i] = sqrtf( Cy_diag[i] / ( Cproto_diag[i] + EPSILON ) );
2429 : }
2430 :
2431 0 : diag_matrix_product( Cy_diag, nY_band, proto_matrix_ptr, nY_band, nX, 0, mixing_matrix_local );
2432 : }
2433 1266508 : if ( remove_lfe )
2434 : {
2435 1212043 : set_zero( mixing_matrix[param_band_idx], nX * nY_cov );
2436 :
2437 1212043 : ptrMM = mixing_matrix_local;
2438 1212043 : ptrMM_out = mixing_matrix[param_band_idx];
2439 4038025 : for ( ch_idx1 = 0; ch_idx1 < nX; ch_idx1++ )
2440 : {
2441 8477946 : for ( lfe_idx1 = 0; lfe_idx1 < hSynthesisOutputSetup->num_lfe + 1; lfe_idx1++ )
2442 : {
2443 25295374 : for ( ch_idx2 = lfe_indices[lfe_idx1] + 1; ch_idx2 < lfe_indices[lfe_idx1 + 1]; ch_idx2++ )
2444 : {
2445 19643410 : *( ptrMM_out++ ) = *( ptrMM++ );
2446 : }
2447 5651964 : ptrMM_out++;
2448 : }
2449 2825982 : ptrMM_out--;
2450 : }
2451 : }
2452 : else
2453 : {
2454 54465 : mvr2r( mixing_matrix_local, mixing_matrix[param_band_idx], nY_cov * nX );
2455 : }
2456 :
2457 1266508 : return;
2458 : }
2459 :
2460 :
2461 : /*-------------------------------------------------------------------------
2462 : * param_mc_update_mixing_matrices()
2463 : *
2464 : * update mixing matrix buffers
2465 : *------------------------------------------------------------------------*/
2466 :
2467 97406 : static void param_mc_update_mixing_matrices(
2468 : PARAM_MC_DEC_HANDLE hParamMC, /* i/o: Parametric MC handle */
2469 : float *mixing_matrix[], /* i : direct mixing matrices for the frame just processed */
2470 : float *mixing_matrix_res[], /* i : residual mixing matrices for the frame just processed */
2471 : const uint16_t nX, /* i : number of transport channels */
2472 : const uint16_t nY ) /* i : number of synthesis channels */
2473 : {
2474 : uint16_t param_band_idx;
2475 :
2476 1370364 : for ( param_band_idx = 0; param_band_idx < hParamMC->hMetadataPMC->nbands_coded; param_band_idx++ )
2477 : {
2478 : int16_t brange[2];
2479 :
2480 1272958 : brange[0] = hParamMC->band_grouping[param_band_idx];
2481 1272958 : brange[1] = hParamMC->band_grouping[param_band_idx + 1];
2482 :
2483 1272958 : mvr2r( mixing_matrix[param_band_idx], hParamMC->h_output_synthesis_cov_state.mixing_matrix_old[param_band_idx], nX * nY );
2484 :
2485 1272958 : if ( brange[0] < hParamMC->h_output_synthesis_params.max_band_decorr )
2486 : {
2487 1051747 : mvr2r( mixing_matrix_res[param_band_idx], hParamMC->h_output_synthesis_cov_state.mixing_matrix_res_old[param_band_idx], nY * nY );
2488 : }
2489 : }
2490 :
2491 97406 : return;
2492 : }
2493 :
2494 :
2495 : /*-------------------------------------------------------------------------
2496 : * ivas_param_mc_dequantize_cov()
2497 : *
2498 : * generate the target covariance matrix
2499 : *------------------------------------------------------------------------*/
2500 :
2501 1266508 : static void ivas_param_mc_dequantize_cov(
2502 : PARAM_MC_DEC_HANDLE hParamMC, /* i : Parametric MC handle */
2503 : float *ild_q, /* i : sequence of dequantized ILD values */
2504 : float *icc_q, /* i : sequence of dequantized ICC values */
2505 : const int16_t param_band_index, /* i : current parameter band */
2506 : const int16_t nY_cov, /* i : number of output channels in the covariance synthesis */
2507 : const PARAM_MC_SYNTHESIS_CONF synth_conf, /* i : Parametric MC synthesis configuration */
2508 : const int16_t nY_int, /* i : number of channels in the transported format */
2509 : const int16_t nX, /* i : number of transport channels */
2510 : float *Cx_state, /* i : transport channel covariance matrix */
2511 : float *Cproto, /* i : prototype matrix */
2512 : float *Cy_state /* o : target covariance matrix */
2513 : )
2514 : {
2515 : float Nrqq[MAX_OUTPUT_CHANNELS];
2516 : float a[MAX_OUTPUT_CHANNELS];
2517 : int16_t k;
2518 : int16_t l;
2519 : float *Cyp;
2520 : float ap;
2521 : const PARAM_MC_ILD_MAPPING *h_ild_mapping;
2522 : float Cy_state_int[MAX_OUTPUT_CHANNELS * MAX_OUTPUT_CHANNELS];
2523 :
2524 1266508 : set_zero( Nrqq, MAX_OUTPUT_CHANNELS );
2525 1266508 : h_ild_mapping = hParamMC->hMetadataPMC->ild_mapping_conf;
2526 :
2527 : /*get back Nrg*/
2528 11227404 : for ( k = 0; k < nY_int; k++ )
2529 : {
2530 9960896 : float ref_ener = 0.0f;
2531 : int16_t ref_channel_cnt;
2532 : int16_t ref_channel_idx;
2533 :
2534 21598468 : for ( ref_channel_cnt = 0; ref_channel_cnt < h_ild_mapping->num_ref_channels[k]; ref_channel_cnt++ )
2535 : {
2536 11637572 : ref_channel_idx = h_ild_mapping->ref_channel_idx[k][ref_channel_cnt];
2537 11637572 : ref_ener += Cx_state[ref_channel_idx + ref_channel_idx * nX];
2538 : }
2539 9960896 : Nrqq[h_ild_mapping->ild_index[k]] = powf( 10.0f, ild_q[k] / 10.0f ) * hParamMC->hMetadataPMC->ild_factors[k] * ref_ener;
2540 : }
2541 :
2542 : /* estimate ICCs from estimated Cproto */
2543 11227404 : for ( k = 0; k < nY_int; k++ )
2544 : {
2545 9960896 : a[k] = 1.f / ( sqrtf( Cproto[k + nY_int * k] ) + EPSILON );
2546 :
2547 9960896 : v_multc( Cproto + k * nY_int, a[k], Cy_state_int + k * nY_int, nY_int );
2548 : }
2549 :
2550 11227404 : for ( k = 0; k < nY_int; k++ )
2551 : {
2552 9960896 : Cyp = Cy_state_int + k;
2553 9960896 : ap = a[k];
2554 93442928 : for ( l = 0; l < nY_int; l++ )
2555 : {
2556 83482032 : ( *Cyp ) *= ap;
2557 83482032 : Cyp += nY_int;
2558 : }
2559 : }
2560 :
2561 : /* replace some estimated ICCs with transmitted values */
2562 9960896 : for ( k = 0; k < hParamMC->hMetadataPMC->icc_mapping_conf->icc_map_size_lfe; k++ )
2563 : {
2564 8694388 : Cy_state_int[hParamMC->hMetadataPMC->icc_mapping_conf->icc_mapping[k][0] + nY_int * hParamMC->hMetadataPMC->icc_mapping_conf->icc_mapping[k][1]] = icc_q[k];
2565 8694388 : Cy_state_int[hParamMC->hMetadataPMC->icc_mapping_conf->icc_mapping[k][1] + nY_int * hParamMC->hMetadataPMC->icc_mapping_conf->icc_mapping[k][0]] = icc_q[k];
2566 : }
2567 :
2568 1266508 : if ( param_band_index >= PARAM_MC_MAX_BAND_LFE || !hParamMC->hMetadataPMC->lfe_on )
2569 : {
2570 10684725 : for ( k = 0; k < nY_int; k++ )
2571 : {
2572 9472682 : Cy_state_int[k + 3 * nY_int] = 1.0f;
2573 9472682 : Cy_state_int[3 + k * nY_int] = 1.0f;
2574 : }
2575 1212043 : Nrqq[3] = 0.0f;
2576 : }
2577 :
2578 : /* Generate back Covariance Mtx */
2579 11227404 : for ( k = 0; k < nY_int; k++ )
2580 : {
2581 9960896 : a[k] = sqrtf( Nrqq[k] );
2582 9960896 : v_multc( Cy_state_int + k * nY_int, a[k], Cy_state_int + k * nY_int, nY_int );
2583 : }
2584 :
2585 11227404 : for ( k = 0; k < nY_int; k++ )
2586 : {
2587 9960896 : Cyp = Cy_state_int + k;
2588 9960896 : ap = a[k];
2589 :
2590 93442928 : for ( l = 0; l < nY_int; l++ )
2591 : {
2592 83482032 : ( *Cyp ) *= ap;
2593 83482032 : Cyp += nY_int;
2594 : }
2595 : }
2596 :
2597 1266508 : if ( synth_conf == PARAM_MC_SYNTH_LS_CONV_COV )
2598 : {
2599 : /* Cy = dmx*Cy*dmx' */
2600 : float mat_mult_buffer1[MAX_LS_CHANNELS * MAX_LS_CHANNELS];
2601 : float target_ch_ener[MAX_LS_CHANNELS];
2602 : float dmx_ch_ener[MAX_LS_CHANNELS];
2603 :
2604 78768 : set_zero( target_ch_ener, MAX_LS_CHANNELS );
2605 78768 : set_zero( dmx_ch_ener, MAX_LS_CHANNELS );
2606 :
2607 78768 : matrix_product( hParamMC->ls_conv_dmx_matrix, nY_cov, nY_int, 0,
2608 : Cy_state_int, nY_int, nY_int, 0,
2609 : mat_mult_buffer1 );
2610 :
2611 78768 : matrix_product( mat_mult_buffer1, nY_cov, nY_int, 0,
2612 78768 : hParamMC->ls_conv_dmx_matrix, nY_cov, nY_int, 1,
2613 : Cy_state );
2614 :
2615 617112 : for ( k = 0; k < nY_cov; k++ )
2616 : {
2617 5718672 : for ( l = 0; l < nY_int; l++ )
2618 : {
2619 5180328 : target_ch_ener[k] += hParamMC->ls_conv_dmx_matrix[k + l * nY_cov] * Nrqq[l];
2620 : }
2621 :
2622 538344 : dmx_ch_ener[k] = Cy_state[k + nY_cov * k];
2623 :
2624 538344 : if ( dmx_ch_ener[k] < 0.0f )
2625 : {
2626 0 : Cy_state[k + nY_cov * k] *= -1.0f;
2627 0 : dmx_ch_ener[k] *= -1.0f;
2628 : }
2629 :
2630 538344 : target_ch_ener[k] = sqrtf( target_ch_ener[k] / ( dmx_ch_ener[k] + EPSILON ) );
2631 :
2632 538344 : v_multc( Cy_state + k * nY_cov, target_ch_ener[k], Cy_state + k * nY_cov, nY_cov );
2633 :
2634 538344 : Cyp = Cy_state + k;
2635 538344 : ap = target_ch_ener[k];
2636 4324392 : for ( l = 0; l < nY_cov; l++ )
2637 : {
2638 3786048 : ( *Cyp ) *= ap;
2639 3786048 : Cyp += nY_cov;
2640 : }
2641 : }
2642 : }
2643 : else
2644 : {
2645 1187740 : mvr2r( Cy_state_int, Cy_state, nY_int * nY_int );
2646 : }
2647 :
2648 1266508 : return;
2649 : }
2650 :
2651 :
2652 : /*-------------------------------------------------------------------------*
2653 : * param_mc_set_num_synth_bands()
2654 : *
2655 : * set the number of frequency bands to be synthesized
2656 : *-------------------------------------------------------------------------*/
2657 :
2658 8582 : static void param_mc_set_num_synth_bands(
2659 : const int32_t output_Fs, /* i : output sampling frequency */
2660 : PARAM_MC_DEC_HANDLE hParamMC /* i/o: Parametric MC handle */
2661 : )
2662 : {
2663 : uint16_t max_param_band_synth;
2664 : const int16_t *param_mc_bands_coded;
2665 :
2666 8582 : switch ( hParamMC->hMetadataPMC->num_parameter_bands )
2667 : {
2668 1512 : case 20:
2669 1512 : param_mc_bands_coded = param_mc_bands_coded_20;
2670 1512 : break;
2671 2273 : case 10:
2672 2273 : param_mc_bands_coded = param_mc_bands_coded_10;
2673 2273 : break;
2674 4797 : case 14:
2675 : default:
2676 4797 : param_mc_bands_coded = param_mc_bands_coded_14;
2677 4797 : break;
2678 : }
2679 :
2680 8582 : switch ( output_Fs )
2681 : {
2682 0 : case 8000:
2683 0 : max_param_band_synth = param_mc_bands_coded[NB];
2684 0 : break;
2685 3507 : case 16000:
2686 3507 : max_param_band_synth = param_mc_bands_coded[WB];
2687 3507 : break;
2688 3297 : case 32000:
2689 3297 : max_param_band_synth = param_mc_bands_coded[SWB];
2690 3297 : break;
2691 1778 : case 48000:
2692 : default:
2693 1778 : max_param_band_synth = param_mc_bands_coded[FB];
2694 1778 : break;
2695 : }
2696 :
2697 8582 : hParamMC->num_param_bands_synth = min( hParamMC->hMetadataPMC->nbands_coded, max_param_band_synth );
2698 :
2699 8582 : return;
2700 : }
2701 :
2702 :
2703 : /*-------------------------------------------------------------------------*
2704 : * param_mc_get_diff_proto_info()
2705 : *
2706 : * calculated the diffuse prototype information
2707 : *-------------------------------------------------------------------------*/
2708 :
2709 2235 : static ivas_error param_mc_get_diff_proto_info(
2710 : const float *proto_mtx, /* i : protoype matrix for the synthesis */
2711 : const uint16_t nchan_transport, /* i : number of transport channels */
2712 : const uint16_t nchan_out_cov, /* i : number if output channels of the covariance synthesis */
2713 : PARAM_MC_DIFF_PROTO_INFO *p_diff_proto_info /* o : generated diffuse prototype info */
2714 : )
2715 : {
2716 : float proto_fac[MAX_LS_CHANNELS * PARAM_MC_MAX_TRANSPORT_CHANS];
2717 : uint16_t cur_out_ch;
2718 : uint16_t cur_diff_proto;
2719 : uint16_t cur_transport_ch;
2720 : uint16_t max_num_src_chan;
2721 :
2722 : /* Initializations */
2723 2235 : max_num_src_chan = 0;
2724 2235 : set_zero( proto_fac, MAX_LS_CHANNELS * PARAM_MC_MAX_TRANSPORT_CHANS );
2725 2235 : if ( ( p_diff_proto_info->proto_index_diff = (int16_t *) malloc( nchan_out_cov * sizeof( int16_t ) ) ) == NULL )
2726 : {
2727 0 : return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for Parametric MC\n" ) );
2728 : }
2729 2235 : set_s( p_diff_proto_info->proto_index_diff, 0, nchan_out_cov );
2730 :
2731 2235 : if ( ( p_diff_proto_info->num_source_chan_diff = (int16_t *) malloc( nchan_out_cov * sizeof( int16_t ) ) ) == NULL )
2732 : {
2733 0 : return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for Parametric MC\n" ) );
2734 : }
2735 2235 : set_s( p_diff_proto_info->num_source_chan_diff, 0, nchan_out_cov );
2736 :
2737 : /* we have at least one prototype, copy the first one */
2738 2235 : p_diff_proto_info->num_protos_diff = 1;
2739 2235 : mvr2r_inc( proto_mtx, nchan_out_cov, proto_fac, nchan_out_cov, nchan_transport );
2740 2235 : p_diff_proto_info->proto_index_diff[0] = 0;
2741 :
2742 : /* search for distinct prototypes */
2743 16382 : for ( cur_out_ch = 1; cur_out_ch < nchan_out_cov; cur_out_ch++ )
2744 : {
2745 14147 : uint16_t found = 0;
2746 :
2747 29865 : for ( cur_diff_proto = 0; cur_diff_proto < p_diff_proto_info->num_protos_diff; cur_diff_proto++ )
2748 : {
2749 25173 : float diff = 0;
2750 25173 : float *proto_fac_ptr = proto_fac + cur_diff_proto;
2751 25173 : const float *proto_mtx_ptr = proto_mtx + cur_out_ch;
2752 :
2753 83631 : for ( cur_transport_ch = 0; cur_transport_ch < nchan_transport; cur_transport_ch++ )
2754 : {
2755 58458 : diff += fabsf( *proto_fac_ptr - *proto_mtx_ptr );
2756 58458 : proto_fac_ptr += nchan_out_cov;
2757 58458 : proto_mtx_ptr += nchan_out_cov;
2758 : }
2759 :
2760 : /* we already have this prototype, save the index */
2761 25173 : if ( diff < 0.1f )
2762 : {
2763 9455 : found = 1;
2764 9455 : p_diff_proto_info->proto_index_diff[cur_out_ch] = cur_diff_proto;
2765 9455 : break;
2766 : }
2767 : }
2768 :
2769 : /* new distinct prototype, add it */
2770 14147 : if ( found == 0 )
2771 : {
2772 4692 : const float *proto_mtx_ptr = proto_mtx + cur_out_ch;
2773 : int16_t cur_num_src_chan;
2774 :
2775 4692 : cur_num_src_chan = 0;
2776 15280 : for ( cur_transport_ch = 0; cur_transport_ch < nchan_transport; cur_transport_ch++ )
2777 : {
2778 10588 : if ( *proto_mtx_ptr > EPSILON )
2779 : {
2780 6385 : cur_num_src_chan++;
2781 : }
2782 10588 : proto_mtx_ptr += nchan_out_cov;
2783 : }
2784 :
2785 4692 : mvr2r_inc( proto_mtx + cur_out_ch, nchan_out_cov, proto_fac + p_diff_proto_info->num_protos_diff, nchan_out_cov, nchan_transport );
2786 :
2787 4692 : p_diff_proto_info->proto_index_diff[cur_out_ch] = p_diff_proto_info->num_protos_diff;
2788 4692 : p_diff_proto_info->num_protos_diff++;
2789 4692 : max_num_src_chan = max( max_num_src_chan, cur_num_src_chan );
2790 : }
2791 : }
2792 :
2793 : /* set up the prototype info struct */
2794 2235 : if ( ( p_diff_proto_info->source_chan_idx = (int16_t **) malloc( p_diff_proto_info->num_protos_diff * sizeof( int16_t * ) ) ) == NULL )
2795 : {
2796 0 : return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for Parametric MC\n" ) );
2797 : }
2798 2235 : if ( ( p_diff_proto_info->proto_fac = (float **) malloc( p_diff_proto_info->num_protos_diff * sizeof( float * ) ) ) == NULL )
2799 : {
2800 0 : return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for Parametric MC\n" ) );
2801 : }
2802 :
2803 9162 : for ( cur_diff_proto = 0; cur_diff_proto < p_diff_proto_info->num_protos_diff; cur_diff_proto++ )
2804 : {
2805 : float *proto_fac_ptr;
2806 :
2807 6927 : if ( ( p_diff_proto_info->source_chan_idx[cur_diff_proto] = (int16_t *) malloc( max_num_src_chan * sizeof( int16_t ) ) ) == NULL )
2808 : {
2809 0 : return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for Parametric MC\n" ) );
2810 : }
2811 6927 : if ( ( p_diff_proto_info->proto_fac[cur_diff_proto] = (float *) malloc( max_num_src_chan * sizeof( float ) ) ) == NULL )
2812 : {
2813 0 : return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for Parametric MC\n" ) );
2814 : }
2815 :
2816 6927 : proto_fac_ptr = proto_fac + cur_diff_proto;
2817 22515 : for ( cur_transport_ch = 0; cur_transport_ch < nchan_transport; cur_transport_ch++ )
2818 : {
2819 15588 : if ( *proto_fac_ptr > EPSILON )
2820 : {
2821 8620 : p_diff_proto_info->source_chan_idx[cur_diff_proto][p_diff_proto_info->num_source_chan_diff[cur_diff_proto]] = cur_transport_ch;
2822 8620 : p_diff_proto_info->proto_fac[cur_diff_proto][p_diff_proto_info->num_source_chan_diff[cur_diff_proto]] = *proto_fac_ptr;
2823 8620 : p_diff_proto_info->num_source_chan_diff[cur_diff_proto]++;
2824 : }
2825 15588 : proto_fac_ptr += nchan_out_cov;
2826 : }
2827 : }
2828 :
2829 2235 : return IVAS_ERR_OK;
2830 : }
2831 :
2832 :
2833 : /*-------------------------------------------------------------------------*
2834 : * ivas_param_mc_bs_decode_parameter_values()
2835 : *
2836 : * reads and decodes a sequence of Parametric MC parameters from the bitstream
2837 : *-------------------------------------------------------------------------*/
2838 :
2839 197706 : static void ivas_param_mc_bs_decode_parameter_values(
2840 : uint16_t bit_buffer[], /* i : bitstream buffer */
2841 : int16_t *bit_pos, /* i/o: current bitstream buffer position */
2842 : const int16_t max_bits, /* i : maximum available bits in the buffer */
2843 : int16_t *BER_detect, /* i/o: bit error detection flag */
2844 : HANDLE_IVAS_PARAM_MC_METADATA hMetadataPMC, /* i : Parametric MC metadata information */
2845 : HANDLE_PARAM_MC_PARAMETER_CODING_INFO hParamCodingInfo, /* i : Parametric MC parameter quantization and coding tables */
2846 : const int16_t map_size_wo_lfe, /* i : number of parameters per band (w/o LFEs) */
2847 : const int16_t map_size, /* i : number of parameters per band (total) */
2848 : const int16_t num_lfe_bands, /* i : number of parameter bands with coded LFE */
2849 : const int16_t band_step, /* i : parameter band step */
2850 : const int16_t num_param_bands, /* i : number of parameter bands to decode */
2851 : float *value_buffer /* o : output buffer for decoded parameter values */
2852 : )
2853 : {
2854 : int16_t range_coding;
2855 : int16_t sz_seq;
2856 : int16_t delta_coding;
2857 : int16_t delta_idx[PARAM_MC_MAX_PARAMETER_BANDS * PARAM_MC_MAX_VAL_MAP_SIZE];
2858 : int16_t idx[PARAM_MC_MAX_PARAMETER_BANDS * PARAM_MC_MAX_VAL_MAP_SIZE];
2859 : int16_t idx_prev;
2860 : int16_t idx_offset;
2861 : int16_t sz_alphabet;
2862 : int16_t i, j, k;
2863 : float dequant_seq[PARAM_MC_MAX_PARAMETER_BANDS * PARAM_MC_MAX_VAL_MAP_SIZE];
2864 : float dequant_ordered[PARAM_MC_MAX_PARAMETER_BANDS * PARAM_MC_MAX_VAL_MAP_SIZE];
2865 : int16_t n_lfe_idx;
2866 :
2867 197706 : range_coding = bit_buffer[( *bit_pos )++];
2868 :
2869 : /* Decoding the sequence */
2870 197706 : n_lfe_idx = map_size - map_size_wo_lfe;
2871 197706 : sz_seq = num_param_bands * ( map_size_wo_lfe ) + num_lfe_bands * n_lfe_idx;
2872 :
2873 197706 : set_s( idx, 0, PARAM_MC_MAX_PARAMETER_BANDS * PARAM_MC_MAX_VAL_MAP_SIZE );
2874 197706 : set_zero( dequant_ordered, PARAM_MC_MAX_PARAMETER_BANDS * PARAM_MC_MAX_VAL_MAP_SIZE );
2875 197706 : set_zero( dequant_seq, PARAM_MC_MAX_PARAMETER_BANDS * PARAM_MC_MAX_VAL_MAP_SIZE );
2876 :
2877 197706 : if ( range_coding )
2878 : {
2879 194099 : delta_coding = bit_buffer[( *bit_pos )++];
2880 :
2881 194099 : if ( delta_coding )
2882 : {
2883 193029 : idx_prev = hParamCodingInfo->quantizer_size / 2 + hParamCodingInfo->quantizer_size % 2 - 1;
2884 193029 : sz_alphabet = 2 * hParamCodingInfo->quantizer_size - 1;
2885 193029 : idx_offset = hParamCodingInfo->quantizer_size - 1;
2886 :
2887 : /* read range coded delta ICC indices */
2888 386058 : *bit_pos += ivas_param_mc_range_decoder_LC( &bit_buffer[*bit_pos], delta_idx, BER_detect, sz_seq, sz_alphabet,
2889 193029 : hParamCodingInfo->cum_freq_delta, hParamCodingInfo->sym_freq_delta, PARAM_MC_RANGE_CODER_TOT_SHIFT, max_bits - *bit_pos );
2890 :
2891 : /* delta index to absolute index */
2892 8138048 : for ( j = 0; j < sz_seq; j++ )
2893 : {
2894 7945019 : idx[j] = idx_prev + delta_idx[j] - idx_offset;
2895 7945019 : idx_prev = idx[j];
2896 : }
2897 : }
2898 : else
2899 : {
2900 : /* read range coded absolute ICC indices */
2901 1070 : sz_alphabet = hParamCodingInfo->quantizer_size;
2902 1070 : *bit_pos += ivas_param_mc_range_decoder_LC( &bit_buffer[*bit_pos], idx, BER_detect, sz_seq, sz_alphabet,
2903 1070 : hParamCodingInfo->cum_freq, hParamCodingInfo->sym_freq, PARAM_MC_RANGE_CODER_TOT_SHIFT, max_bits - *bit_pos );
2904 : }
2905 :
2906 : /* dequantize */
2907 8168183 : for ( j = 0; j < sz_seq; j++ )
2908 : {
2909 7974084 : dequant_seq[j] = hParamCodingInfo->quantizer[idx[j]];
2910 : }
2911 : }
2912 : else
2913 : {
2914 3607 : set_zero( dequant_seq, PARAM_MC_MAX_PARAMETER_BANDS * PARAM_MC_MAX_VAL_MAP_SIZE );
2915 :
2916 : /* read uniformly coded ICCs */
2917 3607 : *bit_pos += ivas_param_mc_uniform_decoder( dequant_seq, sz_seq, hParamCodingInfo->quantizer, hParamCodingInfo->uni_bits, &bit_buffer[*bit_pos] );
2918 : }
2919 :
2920 : /* reorder from sequential to parameter-band-wise */
2921 197706 : k = 0;
2922 1412040 : for ( j = 0; j < map_size_wo_lfe; ++j )
2923 : {
2924 9215540 : for ( i = 0; i < num_param_bands; ++i )
2925 : {
2926 8001206 : dequant_ordered[j + i * map_size] = dequant_seq[k++];
2927 : }
2928 : }
2929 :
2930 258330 : for ( i = 0; i < num_lfe_bands; i++ )
2931 : {
2932 135870 : for ( j = 0; j < n_lfe_idx; j++ )
2933 : {
2934 75246 : dequant_ordered[map_size - n_lfe_idx + j + i * map_size] = dequant_seq[k++];
2935 : }
2936 : }
2937 :
2938 197706 : if ( !( *BER_detect ) )
2939 : {
2940 197706 : j = 0;
2941 2667824 : for ( k = 0; k < hMetadataPMC->nbands_coded; k += band_step )
2942 : {
2943 2470118 : if ( hMetadataPMC->bAttackPresent || hMetadataPMC->param_frame_idx == hMetadataPMC->coding_band_mapping[k] )
2944 : {
2945 1292178 : mvr2r( dequant_ordered + j * map_size, value_buffer + k * map_size, map_size );
2946 1292178 : j++;
2947 : }
2948 2470118 : if ( hMetadataPMC->bAttackPresent && k + 1 < hMetadataPMC->nbands_coded )
2949 : {
2950 113672 : mvr2r( value_buffer + k * map_size, value_buffer + ( k + 1 ) * map_size, map_size );
2951 : }
2952 : }
2953 : }
2954 :
2955 197706 : return;
2956 : }
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