Add USRP2M17

2026-06-07 08:24:45 -04:00 · 2021-04-06 22:43:29 -04:00
parent d684d0924c
commit 96184ff024
42 changed files with 8332 additions and 1 deletions
@@ -0,0 +1,67 @@
+/*---------------------------------------------------------------------------*\
+
+  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__
+
+#include "kiss_fft.h"
+
+using CODEC2 = struct codec2_tag {
+	int                mode;
+	int                Fs;
+	int                n_samp;
+	int                m_pitch;
+	int                gray;                     /* non-zero for gray encoding                */
+	int                lpc_pf;                   /* LPC post filter on                        */
+	int                bass_boost;               /* LPC post filter bass boost                */
+	int                smoothing;                /* enable smoothing for channels with errors */
+	float              ex_phase;                 /* excitation model phase track              */
+	float              bg_est;                   /* background noise estimate for post filter */
+	float              prev_f0_enc;              /* previous frame's f0    estimate           */
+	float              prev_e_dec;               /* previous frame's LPC energy               */
+	float              beta;                     /* LPC post filter parameters                */
+	float              gamma;
+	float              xq_enc[2];                /* joint pitch and energy VQ states          */
+	float              xq_dec[2];
+	float              W[FFT_ENC];	             /* DFT of w[]                                */
+	float              hpf_states[2];            /* high pass filter states                   */
+	float              prev_lsps_dec[LPC_ORD];   /* previous frame's LSPs                     */
+	float             *softdec;                  /* optional soft decn bits from demod        */
+	MODEL              prev_model_dec;           /* previous frame's model parameters         */
+	C2CONST            c2const;
+	FFT_STATE          fft_fwd_cfg;              /* forward FFT config                        */
+	FFTR_STATE         fftr_fwd_cfg;             /* forward real FFT config                   */
+	FFTR_STATE         fftr_inv_cfg;             /* inverse FFT config                        */
+	std::vector<float> w;	                     /* [m_pitch] time domain hamming window      */
+	std::vector<float> Pn;	                     /* [2*n_samp] trapezoidal synthesis window   */
+	std::vector<float> Sn;                       /* [m_pitch] input speech                    */
+	std::vector<float> Sn_;	                     /* [2*n_samp] synthesised output speech      */
+	std::vector<float> bpf_buf;                  /* buffer for band pass filter               */
+};
+
+#endif