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na_record_main.cc
/*************************************************************************/
/* */
/* Centre for Speech Technology Research */
/* University of Edinburgh, UK */
/* Copyright (c) 1995,1996 */
/* All Rights Reserved. */
/* */
/* Permission is hereby granted, free of charge, to use and distribute */
/* this software and its documentation without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of this work, and to */
/* permit persons to whom this work is furnished to do so, subject to */
/* the following conditions: */
/* 1. The code must retain the above copyright notice, this list of */
/* conditions and the following disclaimer. */
/* 2. Any modifications must be clearly marked as such. */
/* 3. Original authors' names are not deleted. */
/* 4. The authors' names are not used to endorse or promote products */
/* derived from this software without specific prior written */
/* permission. */
/* */
/* THE UNIVERSITY OF EDINBURGH AND THE CONTRIBUTORS TO THIS WORK */
/* DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING */
/* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT */
/* SHALL THE UNIVERSITY OF EDINBURGH NOR THE CONTRIBUTORS BE LIABLE */
/* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES */
/* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN */
/* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, */
/* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF */
/* THIS SOFTWARE. */
/* */
/*************************************************************************/
/* Author: Alan W Black */
/* Date : February 1998 */
/*-----------------------------------------------------------------------*/
/* General recording program */
/* */
/*=======================================================================*/
#include "EST.h"
#include "EST_audio.h"
#include "EST_cmd_line_options.h"
#if defined(WIN32) || defined(__CYGWIN__)
#include "windows.h"
#include "Mmsystem.h"
#endif
int record_voxware_wave(EST_Wave &inwave, EST_Option &al);
#if defined(WIN32) || defined(__CYGWIN__)
int win_record_wave(EST_Wave &wave, EST_Option &al);
#endif
/** @name <command>na_record</command> <emphasis>Audio file recording</emphasis>
@id na-record-manual
* @toc
*/
//@{
/**@name Synopsis
*/
//@{
//@synopsis
/**
na_record records wavefors from an audio device. It only supports
recording for N seconds (default is 10). Specifying the frequency
defines the recording frequency (if supported by the hardware). This
currently doesn't support NAS audio in.
*/
//@}
/**@name OPTIONS
*/
//@{
//@options
//@}
int main (int argc, char *argv[])
{
EST_Wave wave;
EST_String out_file("-");
EST_StrList files;
EST_Option al;
parse_command_line
(argc,argv,
EST_String("[options]\n")+
"Summary; record waveform from audio device\n"+
"use \"-\" to make output files stdout\n"+
"-h options help\n"+
"-f <int> Input sample rate\n"+
"-audiodevice <string> use specified audiodevice if appropriate\n"
" for protocol\n"
"-time <float> Wave length in seconds\n"+
options_wave_output()+
"\n"+
"-p <string> audio device protocol. Ths supported types are\n"+
" "+options_supported_audio()+"\n",
files,al);
if (al.present("-f"))
al.add_item("-sample_rate", al.val("-f"));
else
al.add_item("-sample_rate", "16000");
if (!al.present("-time"))
al.add_item("-time", "10");
if (al.present("-o"))
out_file = al.val("-o");
#if defined(WIN32) || defined(__CYGWIN__)
if (win_record_wave(wave,al) != 0)
#else
if (record_wave(wave,al) != 0)
#endif
{
return -1;
}
write_wave(wave, out_file, al);
return 0;
}
#if defined(WIN32) || defined(__CYGWIN__)
int win_record_wave(EST_Wave &wave, EST_Option &al)
{
char command_buffer[100]; // This could be more robust - ART
MCIERROR audio_error;
EST_String out_file("-");
// EST_String save_command("save mysound ");
if (!al.present("-o"))
{
cerr << "na_record: for Win32 version, must specify an output file with the -o flag" << endl;
return -1;
}
out_file = al.val("-o");
// save_command += al.val("-o");
// Should check the audio_error return values in the following - ART
// as it only reliable records at 44100 we'll do that and down sample
audio_error = mciSendString("open new type waveaudio alias mysound buffer 6",NULL,0,NULL);
sprintf(command_buffer,"set mysound time format ms bitspersample 16 samplespersec %d",44100);
audio_error = mciSendString(command_buffer,NULL, 0 ,NULL);
// In theory, based on the previous command, the integer being
// calculated in the next line should be the ending time of the
// recording in milliseconds. However, I have tried this program
// on a number of Windows machines and have found that the
// durations are off by a factor that seems to be assuming a 11025
// Hz sample rate. My guess for the additional factor of 2 needed
// to make the output file the right duration is that the Win32
// multimedia library is probably assuming stereo instead of mono
// recording. - ART
sprintf(command_buffer,"record mysound from 0 to %d wait",(int)(2*1000*al.fval("-time")*44100)/11025);
audio_error = mciSendString(command_buffer,NULL,0,NULL);
sprintf(command_buffer,"save mysound %s",(char *)al.val("-o"));
audio_error = mciSendString(command_buffer,NULL,0,NULL);
// audio_error = mciSendString(save_command,NULL,0,NULL);
audio_error = mciSendString("close mysound",NULL,0,NULL);
read_wave(wave, out_file, al);
wave.resample(al.ival("-sample_rate"));
return 0;
}
#endif
EST_Option
Definition EST_Option.h:50
EST_Option::fval
float fval(const EST_String &rkey, int m=1) const
Definition EST_Option.cc:98
EST_Option::ival
int ival(const EST_String &rkey, int m=1) const
Definition EST_Option.cc:76
EST_String
Definition EST_String.h:70
EST_TKVL::add_item
int add_item(const K &rkey, const V &rval, int no_search=0)
add key-val pair to list
Definition EST_TKVL.cc:248
EST_TKVL::val
const V & val(const K &rkey, bool m=0) const
return value according to key (const)
Definition EST_TKVL.cc:145
EST_TKVL::present
const int present(const K &rkey) const
Returns true if key is present.
Definition EST_TKVL.cc:222
EST_Wave
Definition EST_Wave.h:65
EST_Wave::resample
void resample(int rate)
Resample waveform to rate.
Definition EST_Wave.cc:489