1 /*
2  * SpanDSP - a series of DSP components for telephony
3  *
4  * fax_utils.c
5  *
6  * Written by Steve Underwood <steveu@coppice.org>
7  *
8  * Copyright (C) 2009 Steve Underwood
9  *
10  * All rights reserved.
11  *
12  * This program is free software; you can redistribute it and/or modify
13  * it under the terms of the GNU General Public License version 2, as
14  * published by the Free Software Foundation.
15  *
16  * This program is distributed in the hope that it will be useful,
17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19  * GNU General Public License for more details.
20  *
21  * You should have received a copy of the GNU General Public License
22  * along with this program; if not, write to the Free Software
23  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24  */
25 
26 #if defined(HAVE_CONFIG_H)
27 #include "config.h"
28 #endif
29 
30 #include <stdlib.h>
31 #include <stdio.h>
32 #include <string.h>
33 #include <assert.h>
34 
35 #define SPANDSP_EXPOSE_INTERNAL_STRUCTURES
36 
37 #include "spandsp.h"
38 #include "spandsp-sim.h"
39 #include "fax_utils.h"
40 
fax_log_tx_parameters(t30_state_t * s,const char * tag)41 void fax_log_tx_parameters(t30_state_t *s, const char *tag)
42 {
43     const char *u;
44 
45     if ((u = t30_get_tx_ident(s)))
46         printf("%s: Local ident '%s'\n", tag, u);
47     if ((u = t30_get_tx_sub_address(s)))
48         printf("%s: Local sub-address '%s'\n", tag, u);
49     if ((u = t30_get_tx_polled_sub_address(s)))
50         printf("%s: Local polled sub-address '%s'\n", tag, u);
51     if ((u = t30_get_tx_selective_polling_address(s)))
52         printf("%s: Local selective polling address '%s'\n", tag, u);
53     if ((u = t30_get_tx_sender_ident(s)))
54         printf("%s: Local sender ident '%s'\n", tag, u);
55     if ((u = t30_get_tx_password(s)))
56         printf("%s: Local password '%s'\n", tag, u);
57 }
58 /*- End of function --------------------------------------------------------*/
59 
fax_log_rx_parameters(t30_state_t * s,const char * tag)60 void fax_log_rx_parameters(t30_state_t *s, const char *tag)
61 {
62     const char *u;
63 
64     if ((u = t30_get_rx_ident(s)))
65         printf("%s: Remote ident '%s'\n", tag, u);
66     if ((u = t30_get_rx_sub_address(s)))
67         printf("%s: Remote sub-address '%s'\n", tag, u);
68     if ((u = t30_get_rx_polled_sub_address(s)))
69         printf("%s: Remote polled sub-address '%s'\n", tag, u);
70     if ((u = t30_get_rx_selective_polling_address(s)))
71         printf("%s: Remote selective polling address '%s'\n", tag, u);
72     if ((u = t30_get_rx_sender_ident(s)))
73         printf("%s: Remote sender ident '%s'\n", tag, u);
74     if ((u = t30_get_rx_password(s)))
75         printf("%s: Remote password '%s'\n", tag, u);
76     if ((u = t30_get_rx_country(s)))
77         printf("%s: Remote was made in '%s'\n", tag, u);
78     if ((u = t30_get_rx_vendor(s)))
79         printf("%s: Remote was made by '%s'\n", tag, u);
80     if ((u = t30_get_rx_model(s)))
81         printf("%s: Remote is model '%s'\n", tag, u);
82 }
83 /*- End of function --------------------------------------------------------*/
84 
fax_log_final_transfer_statistics(t30_state_t * s,const char * tag)85 void fax_log_final_transfer_statistics(t30_state_t *s, const char *tag)
86 {
87     t30_stats_t t;
88 
89     t30_get_transfer_statistics(s, &t);
90     printf("%s: Bit rate %d\n", tag, t.bit_rate);
91     printf("%s: ECM %s\n", tag, (t.error_correcting_mode)  ?  "on"  :  "off");
92     printf("%s: RTP events %d. RTN events %d\n", tag, t.rtp_events, t.rtn_events);
93     printf("%s: Tx pages %d, rx pages %d\n", tag, t.pages_tx, t.pages_rx);
94 }
95 /*- End of function --------------------------------------------------------*/
96 
fax_log_page_transfer_statistics(t30_state_t * s,const char * tag)97 void fax_log_page_transfer_statistics(t30_state_t *s, const char *tag)
98 {
99     t30_stats_t t;
100 
101     t30_get_transfer_statistics(s, &t);
102     printf("%s: Page statistics\n", tag);
103     printf("%s:   Pages in the file %d\n", tag, t.pages_in_file);
104     printf("%s:   Bad rows %d, longest bad row run %d\n", tag, t.bad_rows, t.longest_bad_row_run);
105     printf("%s:   Bad ECM frames %d\n", tag, t.error_correcting_mode_retries);
106     printf("%s:   Compression type %s (%d)\n", tag, t4_compression_to_str(t.compression), t.compression);
107     printf("%s:   Compressed image size %d bytes\n", tag, t.image_size);
108     printf("%s:   Image type %s (%s in the file)\n", tag, t4_image_type_to_str(t.type), t4_image_type_to_str(t.image_type));
109     printf("%s:   Image size %d pels x %d pels (%d pels x %d pels in the file)\n", tag, t.width, t.length, t.image_width, t.image_length);
110     printf("%s:   Image resolution %d pels/m x %d pels/m (%d pels/m x %d pels/m in the file)\n", tag, t.x_resolution, t.y_resolution, t.image_x_resolution, t.image_y_resolution);
111 #if defined(SPANDSP_EXPOSE_INTERNAL_STRUCTURES)
112     printf("%s:   Bits per row - min %d, max %d\n", tag, s->t4.tx.encoder.t4_t6.min_row_bits, s->t4.tx.encoder.t4_t6.max_row_bits);
113 #endif
114 
115     fax_log_final_transfer_statistics(s, tag);
116 }
117 /*- End of function --------------------------------------------------------*/
118 
get_tiff_total_pages(const char * file)119 int get_tiff_total_pages(const char *file)
120 {
121     TIFF *tiff_file;
122     int max;
123 
124     if ((tiff_file = TIFFOpen(file, "r")) == NULL)
125         return -1;
126     /* Each page *should* contain the total number of pages, but can this be
127        trusted? Some files say 0. Actually searching for the last page is
128        more reliable. */
129     max = 0;
130     while (TIFFSetDirectory(tiff_file, (tdir_t) max))
131         max++;
132     TIFFClose(tiff_file);
133     return max;
134 }
135 /*- End of function --------------------------------------------------------*/
136 /*- End of file ------------------------------------------------------------*/
137