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esd.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 : Richard Caley */
/* ------------------------------------------------------------------- */
/* EST audio module using the enlightenment speech daemon. */
/* */
/*************************************************************************/
#include <cstdio>
#include <cstring>
#include <cstdlib>
#include <cctype>
#include <sys/stat.h>
#include "EST_Wave.h"
#include "EST_Option.h"
#include "audioP.h"
#include "EST_io_aux.h"
#ifdef SUPPORT_ESD
// Hack hack. aupvlist.h is broken at least on FBSD 3.1.1
#undef __cplusplus
extern "C"
{
#include <aupvlist.h>
}
#define __cplusplus
#include <esd.h>
#define au_serverrate 16000
bool esd_supported = TRUE;
static int endian_int = 1;
#define ESD_BIG_ENDIAN (((char *)&endian_int)[0] == 0)
EST_String server;
void get_server(EST_Option &al)
{
if (al.present("-display"))
{
EST_String display = (const char *)al.val("-display");
if (display.contains(":"))
{
server = display.before(":");
}
else
{
server = display;
}
}
else
server = "";
}
int play_esd_wave(EST_Wave &inwave, EST_Option &al)
{
get_server(al);
int format;
switch (inwave.num_channels())
{
case 1: format=ESD_MONO;
break;
case 2: format=ESD_STEREO;
break;
default:
cerr << "EST: " << inwave.num_channels() << " channel data not supported\n";
return -1;
}
format |= ESD_BITS16 | ESD_STREAM | ESD_PLAY;
int sample_rate = inwave.sample_rate();
int esd = esd_play_stream( format, sample_rate,
server==EST_String::Empty?NULL:(const char *)server, "from est");
int n = inwave.num_samples() * sizeof(short) * inwave.num_channels();
int nw=0, tot=0;
const char *data = (const char *)(inwave.values().memory());
while(n > 0 && (nw = write(esd, data+tot, n)) >0)
{
n -= nw;
tot+=nw;
}
if (nw < 0)
{
cerr << "ESD: error writing - " << strerror(errno) << "\n";
}
esd_close(esd);
return 1;
}
int record_esd_wave(EST_Wave &wave, EST_Option &al)
{
(void)wave;
(void)al;
cerr << "ESD: record not written yet\n";
return -1;
}
#else
int esd_supported = FALSE;
int play_esd_wave(EST_Wave &inwave, EST_Option &al)
{
(void)inwave;
(void)al;
cerr << "ESD playback not supported" << endl;
return -1;
}
int record_esd_wave(EST_Wave &wave, EST_Option &al)
{
(void)wave;
(void)al;
cerr << "ESD record not supported" << endl;
return -1;
}
#endif
EST_Option
Definition EST_Option.h:50
EST_String
Definition EST_String.h:70
EST_String::Empty
static const EST_String Empty
Constant empty string.
Definition EST_String.h:111
EST_String::before
EST_String before(int pos, int len=0) const
Part before position.
Definition EST_String.h:286
EST_String::contains
int contains(const char *s, int pos=-1) const
Does it contain this substring?
Definition EST_String.h:375
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_TVector::memory
const T * memory() const
Definition EST_TVector.h:241
EST_Wave
Definition EST_Wave.h:65
EST_Wave::num_channels
int num_channels() const
return the number of channels in the waveform
Definition EST_Wave.h:145
EST_Wave::sample_rate
int sample_rate() const
return the sampling rate (frequency)
Definition EST_Wave.h:147
EST_Wave::num_samples
int num_samples() const
return the number of samples in the waveform
Definition EST_Wave.h:143