/usr/include/spandsp/private/t4_rx.h is in libspandsp-dev 0.0.6~pre20-3.1.
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 64 65 66 67 68 69 70 71 72 | /*
* SpanDSP - a series of DSP components for telephony
*
* private/t4_rx.h - definitions for T.4 FAX receive processing
*
* Written by Steve Underwood <steveu@coppice.org>
*
* Copyright (C) 2003 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_T4_RX_H_)
#define _SPANDSP_PRIVATE_T4_RX_H_
/*!
TIFF specific state information to go with T.4 compression or decompression handling.
*/
typedef struct
{
/*! \brief The current file name. */
const char *file;
/*! \brief The libtiff context for the current TIFF file */
TIFF *tiff_file;
/*! \brief The compression type for output to the TIFF file. */
int32_t output_compression;
/*! \brief The TIFF photometric setting for the current page. */
uint16_t photo_metric;
/*! \brief The TIFF fill order setting for the current page. */
uint16_t fill_order;
/*! \brief The TIFF G3 FAX options. */
int32_t output_t4_options;
/*! \brief The number of pages in the current image file. */
int pages_in_file;
/* "Background" information about the FAX, which can be stored in the image file. */
/*! \brief The vendor of the machine which produced the file. */
const char *vendor;
/*! \brief The model of machine which produced the file. */
const char *model;
/*! \brief The local ident string. */
const char *local_ident;
/*! \brief The remote end's ident string. */
const char *far_ident;
/*! \brief The FAX sub-address. */
const char *sub_address;
/*! \brief The FAX DCS information, as an ASCII string. */
const char *dcs;
/*! \brief The first page to transfer. -1 to start at the beginning of the file. */
int start_page;
/*! \brief The last page to transfer. -1 to continue to the end of the file. */
int stop_page;
} t4_tiff_state_t;
#endif
/*- End of file ------------------------------------------------------------*/
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