i've tested, now you can too

2026-07-23 12:42:02 +00:00 · 2012-12-20 20:08:42 -06:00
parent d3fcfa8245
commit d67b96af8a
94 changed files with 25305 additions and 2005 deletions
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+/*---------------------------------------------------------------------------*\
+                                                                             
+  FILE........: codec2_internal.h
+  AUTHOR......: David Rowe                                                          
+  DATE CREATED: April 16 2012
+                                                                             
+  Header file for Codec2 internal states, exposed via this header
+  file to assist in testing.
+                                                                             
+\*---------------------------------------------------------------------------*/
+
+/*
+  Copyright (C) 2012 David Rowe
+
+  All rights reserved.
+
+  This program is free software; you can redistribute it and/or modify
+  it under the terms of the GNU Lesser General Public License version 2.1, as
+  published by the Free Software Foundation.  This program is
+  distributed in the hope that it will be useful, but WITHOUT ANY
+  WARRANTY; without even the implied warranty of MERCHANTABILITY or
+  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
+  License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with this program; if not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __CODEC2_INTERNAL__
+#define __CODEC2_INTERNAL__
+
+struct CODEC2 {
+    int           mode;
+    kiss_fft_cfg  fft_fwd_cfg;             /* forward FFT config                        */
+    float         w[M];	                   /* time domain hamming window                */
+    COMP          W[FFT_ENC];	           /* DFT of w[]                                */
+    float         Pn[2*N];	           /* trapezoidal synthesis window              */
+    float         Sn[M];                   /* input speech                              */
+    float         hpf_states[2];           /* high pass filter states                   */
+    void         *nlp;                     /* pitch predictor states                    */
+
+    kiss_fft_cfg  fft_inv_cfg;             /* inverse FFT config                        */
+    float         Sn_[2*N];	           /* synthesised output speech                 */
+    float         ex_phase;                /* excitation model phase track              */
+    float         bg_est;                  /* background noise estimate for post filter */
+    float         prev_Wo_enc;             /* previous frame's pitch estimate           */
+    MODEL         prev_model_dec;          /* previous frame's model parameters         */
+    float         prev_lsps_dec[LPC_ORD];  /* previous frame's LSPs                     */
+    float         prev_e_dec;              /* previous frame's LPC energy               */
+    
+    int           lpc_pf;                  /* LPC post filter on                        */
+    int           bass_boost;              /* LPC post filter bass boost                */
+    float         beta;                    /* LPC post filter parameters                */
+    float         gamma;
+
+    float         xq_enc[2];               /* joint pitch and energy VQ states          */
+    float         xq_dec[2];
+};
+
+#endif