+wdq2wav (0.5.1-1) unstable; urgency=low
+
+ * Avoid possible divide by 0
+
+ -- Kevin M. Rosenberg <kmr@debian.org> Mon, 24 Feb 2003 05:36:33 -0700
+
wdq2wav (0.5.0-1) unstable; urgency=low
* New upstream, add support for scaling while preserving zero point
**
** Copyright (c) 2003 Kevin Rosenberg
**
-** $Id: wdq2wav.cpp,v 1.17 2003/02/24 08:40:25 kevin Exp $
+** $Id: wdq2wav.cpp,v 1.18 2003/02/24 12:41:23 kevin Exp $
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License (version 2) as
#include <wdq2wav.h>
-const char* g_szIdStr = "$Id: wdq2wav.cpp,v 1.17 2003/02/24 08:40:25 kevin Exp $";
+const char* g_szIdStr = "$Id: wdq2wav.cpp,v 1.18 2003/02/24 12:41:23 kevin Exp $";
bool g_quiet = false;
bool g_verbose = false;
const char* progname = argv[0];
- while ((c = getopt (argc, argv, "rqvdph")) != -1) {
+ while ((c = getopt (argc, argv, "rqvzdph")) != -1) {
switch (c) {
case 'r':
std::cout << "Version " << g_szIdStr << std::endl;
case 'p':
play = true;
break;
+ case 'z':
+ g_ignore_zero = true;
+ break;
case 'h':
usage (progname);
return (0);
wdq_channel.m_min_scaled_data);
} else {
double max_value = fabs(wdq_channel.m_max_scaled_data);
- if (fabs(wdq_channel.m_min_scaled_data) > max_value)
- max_value = fabs(wdq_channel.m_min_scaled_data);
- data_scale = 32767. / max_value;
+ if (fabs (wdq_channel.m_min_scaled_data) > max_value)
+ max_value = fabs (wdq_channel.m_min_scaled_data);
+ if (max_value != 0.)
+ data_scale = 32767. / max_value;
}
if (g_debug) {
for (i = 0; i < m_nSamples; i++) {
double value = input[i];
value = (slope * value) + intercept;
- value = (value + data_offset) * data_scale;
- if (g_ignore_zero)
+ if (g_ignore_zero) {
+ value = (value + data_offset) * data_scale;
value += 0.5 - 32768;
+ } else
+ value = value * data_scale;
+
signed short int v = static_cast<signed short int>(value);
#if WORDS_BIG_ENDIAN
unsigned char* p = reinterpret_cast<unsigned char*>(&v);