**
** Copyright (c) 2003 Kevin Rosenberg
**
-** $Id: wdq2wav.cpp,v 1.11 2003/01/21 11:45:38 kevin Exp $
+** $Id: wdq2wav.cpp,v 1.14 2003/01/21 19:52:20 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 1.11 2003/01/21 11:45:38 kevin Exp $";
+const char* g_szIdStr = "$Id: wdq2wav.cpp,v 1.14 2003/01/21 19:52:20 kevin Exp $";
bool g_quiet = false;
bool g_verbose = false;
std::cin.getline (wav_fname, MAX_INPUT_STR);
}
- if (! wdq2wav (wdq_fname, channel, wav_fname))
+ if (! wdq2wav (wdq_fname, channel, wav_fname, play))
return 1;
return 0;
}
bool
-wdq2wav (const char* wdq_fname, const int channel, const char *wav_fname)
+wdq2wav (const char* wdq_fname, const int channel, const char *wav_fname, bool play)
{
WindaqFile wdq (wdq_fname);
return false;
}
+ if (play)
+ wav.Play();
+
return true;
}
info_msg (os.str().c_str());
}
- unsigned int nHeaderBytes = 44;
- m_nFileBytes = nHeaderBytes + m_nSamples * m_nBytesPerSample;
+ m_nHeaderBytes = 44;
+ m_nDataBytes = m_nSamples * m_nBytesPerSample * m_nChannels;
+ m_nFileBytes = m_nHeaderBytes + m_nDataBytes;
- unsigned int nHeaderShortInts = nHeaderBytes / sizeof(signed short int);
+ unsigned int nHeaderShortInts = m_nHeaderBytes / sizeof(signed short int);
m_data = new signed short int [m_nSamples + nHeaderShortInts];
signed short int* input = wdq_channel.m_data;
WavFile::fill_header ()
{
char* pData = reinterpret_cast<char*> (m_data);
- unsigned long data_bytes = m_nSamples * m_nBytesPerSample * m_nChannels;
strncpy (pData, "RIFF", 4);
// Length of file after 8 byte header
- put_int4 (pData + 4, 36 + data_bytes);
+ put_int4 (pData + 4, 36 + m_nDataBytes);
strncpy (pData + 8, "WAVEfmt ", 8);
strncpy (pData + 36, "data", 4);
- put_int4 (pData + 40, data_bytes);
+ put_int4 (pData + 40, m_nDataBytes);
return true;
}
return true;
}
+#ifdef WIN32
+#include <windows.h>
+#include <mmsystem.h>
+#elif defined(LINUX)
+#include <sys/ioctl.h>
+#include <sys/soundcard.h>
+#endif
+bool
+WavFile::Play ()
+{
+#ifdef WIN32
+ if (PlaySound ((LPCSTR) m_data, 0, SND_MEMORY | SND_NODEFAULT))
+ return true;
+#elif defined(LINUX)
+ int fd;
+ if ((fd = open ("/dev/dsp",O_WRONLY)) == -1) {
+ error_msg ("Error opening /dev/dsp");
+ return false;
+ }
+ int format = AFMT_S16_LE;
+ if (ioctl (fd, SNDCTL_DSP_SETFMT, &format) == -1) {
+ error_msg ("Error setting DSP format");
+ close(fd); return false;
+ }
+ if (format != AFMT_S16_LE) {
+ error_msg ("DSP Format not set");
+ close(fd); return false;
+ }
+
+ int channels = m_nChannels;
+ if (ioctl (fd, SNDCTL_DSP_CHANNELS, &format) == -1) {
+ error_msg ("Error setting number of channels");
+ close(fd); return false;
+ }
+ if (channels != m_nChannels) {
+ error_msg ("Number of channels not set");
+ close(fd); return false;
+ }
+
+ int speed = static_cast<int>(m_rate + 0.5);
+ if (ioctl (fd, SNDCTL_DSP_SPEED, &speed) == -1) {
+ error_msg ("Error setting sample rate");
+ close(fd); return false;
+ }
+ if (speed != m_rate && ! g_quiet) {
+ std::ostringstream os;
+ os << "Warning: Sample rate set to " << speed << ", not " << m_rate;
+ error_msg (os.str().c_str());
+ }
+
+ if (write (fd, reinterpret_cast<char*>(m_data) + m_nHeaderBytes, m_nDataBytes) !=
+ m_nDataBytes) {
+ error_msg ("Error writing audio samples");
+ close(fd); return false;
+ }
+
+ close (fd);
+ return true;
+#else
+#endif
+
+ return false;
+}
+