Mercurial > hg > audiostuff

comparison spandsp-0.0.3/spandsp-0.0.3/tests/v8_tests.c @ 5:f762bf195c4b

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
import spandsp-0.0.3
author Peter Meerwald <pmeerw@cosy.sbg.ac.at>
date Fri, 25 Jun 2010 16:00:21 +0200
parents
children
comparison
equal deleted inserted replaced
4:26cd8f1ef0b1 5:f762bf195c4b
1 /*
2 * SpanDSP - a series of DSP components for telephony
3 *
4 * v8_tests.c
5 *
6 * Written by Steve Underwood <steveu@coppice.org>
7 *
8 * Copyright (C) 2004 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 * $Id: v8_tests.c,v 1.19 2006/11/23 15:48:09 steveu Exp $
26 */
27
28 /*! \page v8_tests_page V.8 tests
29 \section v8_tests_page_sec_1 What does it do?
30 */
31
32 #ifdef HAVE_CONFIG_H
33 #include "config.h"
34 #endif
35
36 #include <stdlib.h>
37 #include <inttypes.h>
38 #include <stdio.h>
39 #if defined(HAVE_TGMATH_H)
40 #include <tgmath.h>
41 #endif
42 #if defined(HAVE_MATH_H)
43 #include <math.h>
44 #endif
45 #include <fcntl.h>
46 #include <string.h>
47 #include <audiofile.h>
48 #include <tiffio.h>
49
50 #include "spandsp.h"
51
52 #define FALSE 0
53 #define TRUE (!FALSE)
54
55 #define SAMPLES_PER_CHUNK 160
56
57 #define OUTPUT_FILE_NAME "v8.wav"
58
59 int negotiations_ok = 0;
60
61 static void handler(void *user_data, v8_result_t *result)
62 {
63 const char *s;
64
65 s = (const char *) user_data;
66
67 if (result == NULL)
68 {
69 printf("%s V.8 negotiation failed\n", s);
70 return;
71 }
72 printf("%s V.8 negotiation result:\n", s);
73 printf(" Call function '%s'\n", v8_call_function_to_str(result->call_function));
74 printf(" Negotiated modulation '%s'\n", v8_modulation_to_str(result->negotiated_modulation));
75 printf(" Protocol '%s'\n", v8_protocol_to_str(result->protocol));
76 printf(" PSTN access '%s'\n", v8_pstn_access_to_str(result->pstn_access));
77 printf(" PCM modem availability '%s'\n", v8_pcm_modem_availability_to_str(result->pcm_modem_availability));
78 if (result->call_function == V8_CALL_V_SERIES
79 &&
80 result->negotiated_modulation == V8_MOD_V90
81 &&
82 result->protocol == V8_PROTOCOL_LAPM_V42)
83 {
84 negotiations_ok++;
85 }
86 }
87
88 int main(int argc, char *argv[])
89 {
90 int i;
91 int16_t amp[SAMPLES_PER_CHUNK];
92 int16_t out_amp[2*SAMPLES_PER_CHUNK];
93 v8_state_t v8_caller;
94 v8_state_t v8_answerer;
95 int outframes;
96 int samples;
97 int remnant;
98 int caller_available_modulations;
99 int answerer_available_modulations;
100 AFfilehandle outhandle;
101 AFfilesetup filesetup;
102
103 if ((filesetup = afNewFileSetup()) == AF_NULL_FILESETUP)
104 {
105 fprintf(stderr, " Failed to create file setup\n");
106 exit(2);
107 }
108 afInitSampleFormat(filesetup, AF_DEFAULT_TRACK, AF_SAMPFMT_TWOSCOMP, 16);
109 afInitRate(filesetup, AF_DEFAULT_TRACK, (float) SAMPLE_RATE);
110 afInitFileFormat(filesetup, AF_FILE_WAVE);
111 afInitChannels(filesetup, AF_DEFAULT_TRACK, 2);
112 if ((outhandle = afOpenFile(OUTPUT_FILE_NAME, "w", filesetup)) == AF_NULL_FILEHANDLE)
113 {
114 fprintf(stderr, " Cannot create wave file '%s'\n", OUTPUT_FILE_NAME);
115 exit(2);
116 }
117
118 caller_available_modulations = V8_MOD_V17
119 | V8_MOD_V21
120 | V8_MOD_V22
121 | V8_MOD_V23HALF
122 | V8_MOD_V23
123 | V8_MOD_V26BIS
124 | V8_MOD_V26TER
125 | V8_MOD_V27TER
126 | V8_MOD_V29
127 | V8_MOD_V32
128 | V8_MOD_V34HALF
129 | V8_MOD_V34
130 | V8_MOD_V90
131 | V8_MOD_V92;
132 answerer_available_modulations = V8_MOD_V17
133 | V8_MOD_V21
134 | V8_MOD_V22
135 | V8_MOD_V23HALF
136 | V8_MOD_V23
137 | V8_MOD_V26BIS
138 | V8_MOD_V26TER
139 | V8_MOD_V27TER
140 | V8_MOD_V29
141 | V8_MOD_V32
142 | V8_MOD_V34HALF
143 | V8_MOD_V34
144 | V8_MOD_V90
145 | V8_MOD_V92;
146
147 v8_init(&v8_caller, TRUE, caller_available_modulations, handler, (void *) "caller");
148 v8_init(&v8_answerer, FALSE, answerer_available_modulations, handler, (void *) "answerer");
149 span_log_set_level(&v8_caller.logging, SPAN_LOG_FLOW | SPAN_LOG_SHOW_TAG);
150 span_log_set_tag(&v8_caller.logging, "caller");
151 span_log_set_level(&v8_answerer.logging, SPAN_LOG_FLOW | SPAN_LOG_SHOW_TAG);
152 span_log_set_tag(&v8_answerer.logging, "answerer");
153 for (i = 0; i < 1000; i++)
154 {
155 samples = v8_tx(&v8_caller, amp, SAMPLES_PER_CHUNK);
156 if (samples < SAMPLES_PER_CHUNK)
157 {
158 memset(amp + samples, 0, sizeof(int16_t)*(SAMPLES_PER_CHUNK - samples));
159 samples = SAMPLES_PER_CHUNK;
160 }
161 remnant = v8_rx(&v8_answerer, amp, samples);
162 for (i = 0; i < samples; i++)
163 out_amp[2*i] = amp[i];
164
165 samples = v8_tx(&v8_answerer, amp, SAMPLES_PER_CHUNK);
166 if (samples < SAMPLES_PER_CHUNK)
167 {
168 memset(amp + samples, 0, sizeof(int16_t)*(SAMPLES_PER_CHUNK - samples));
169 samples = SAMPLES_PER_CHUNK;
170 }
171 if (v8_rx(&v8_caller, amp, samples) && remnant)
172 break;
173 for (i = 0; i < samples; i++)
174 out_amp[2*i + 1] = amp[i];
175
176 outframes = afWriteFrames(outhandle,
177 AF_DEFAULT_TRACK,
178 out_amp,
179 samples);
180 if (outframes != samples)
181 {
182 fprintf(stderr, " Error writing wave file\n");
183 exit(2);
184 }
185 }
186 if (afCloseFile(outhandle))
187 {
188 fprintf(stderr, " Cannot close wave file '%s'\n", OUTPUT_FILE_NAME);
189 exit(2);
190 }
191 afFreeFileSetup(filesetup);
192
193 v8_release(&v8_caller);
194 v8_release(&v8_answerer);
195
196 if (negotiations_ok != 2)
197 {
198 printf("Tests failed.\n");
199 exit(2);
200 }
201
202 printf("Tests passed.\n");
203 return 0;
204 }
205 /*- End of function --------------------------------------------------------*/
206 /*- End of file ------------------------------------------------------------*/

Repositories maintained by Peter Meerwald, pmeerw@pmeerw.net.