/usr/include/spandsp/private/gsm0610.h is in libspandsp-dev 0.0.6+dfsg-0.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 | /*
* SpanDSP - a series of DSP components for telephony
*
* private/gsm0610.h - GSM 06.10 full rate speech codec.
*
* Written by Steve Underwood <steveu@coppice.org>
*
* Copyright (C) 2006 Steve Underwood
*
* 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 Lesser 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, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#if !defined(_SPANDSP_PRIVATE_GSM0610_H_)
#define _SPANDSP_PRIVATE_GSM0610_H_
/*!
GSM 06.10 FR codec state descriptor. This defines the state of
a single working instance of the GSM 06.10 FR encoder or decoder.
*/
struct gsm0610_state_s
{
/*! \brief One of the packing modes */
int packing;
int16_t dp0[280];
/*! Preprocessing */
int16_t z1;
int32_t L_z2;
/*! Pre-emphasis */
int16_t mp;
/*! Short term delay filter */
int16_t u[8];
int16_t LARpp[2][8];
int16_t j;
/*! Long term synthesis */
int16_t nrp;
/*! Short term synthesis */
int16_t v[9];
/*! Decoder postprocessing */
int16_t msr;
/*! Encoder data */
int16_t e[50];
};
#endif
/*- End of include ---------------------------------------------------------*/
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