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/*
csound_main.c:
This file is part of Csound.
The Csound Library is free software; you can redistribute it
and/or modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
Csound is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with Csound; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA
*/
/* Console Csound using the Csound API. */
#include "csound.h"
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <errno.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef GNU_GETTEXT
#include <locale.h>
#endif
#ifdef LINUX
extern int set_rt_priority(int argc, char **argv);
#endif
static FILE *logFile = NULL;
static void msg_callback(CSOUND *csound,
int attr, const char *format, va_list args)
{
(void) csound;
if ((attr & CSOUNDMSG_TYPE_MASK) != CSOUNDMSG_REALTIME) {
vfprintf(logFile, format, args);
fflush(logFile);
return;
}
#if defined(WIN32) || defined(MAC)
switch (attr & CSOUNDMSG_TYPE_MASK) {
case CSOUNDMSG_ERROR:
case CSOUNDMSG_WARNING:
case CSOUNDMSG_REALTIME:
break;
default:
vfprintf(logFile, format, args);
return;
}
#endif
vfprintf(stderr, format, args);
}
static void nomsg_callback(CSOUND *csound,
int attr, const char *format, va_list args){ return; }
int main(int argc, char **argv)
{
CSOUND *csound;
char *fname = NULL;
int i, result, nomessages=0;
#ifdef GNU_GETTEXT
const char* lang;
#endif
/* set stdout to non buffering if not outputing to console window */
if (!isatty(fileno(stdout))) {
#if !defined(WIN32)
setvbuf(stdout, (char*) NULL, _IONBF, 0);
#endif
}
#ifdef GNU_GETTEXT
/* We need to set the locale for the translations to work */
lang = csoundGetEnv(NULL, "CS_LANG");
/* If set, use that. Otherwise use the system locale */
if(lang == NULL)
lang = setlocale(LC_MESSAGES, "");
else
lang = setlocale(LC_MESSAGES, lang);
/* Should we warn if we couldn't set the locale (lang == NULL)? */
/* If the strings for this binary are ever translated,
* the textdomain should be set here */
#endif
/* Real-time scheduling on Linux by Istvan Varga (Jan 6 2002) */
#ifdef LINUX
if (set_rt_priority(argc, argv) != 0)
return -1;
#endif
/* open log file if specified */
for (i = 1; i < argc; i++) {
if (strncmp(argv[i], "-O", 2) == 0 && (int) strlen(argv[i]) > 2)
fname = argv[i] + 2;
else if (strncmp(argv[i], "--logfile=", 10) == 0 &&
(int) strlen(argv[i]) > 10)
fname = argv[i] + 10;
else if (i < (argc - 1) && strcmp(argv[i], "-O") == 0)
fname = argv[i + 1];
}
if (fname != NULL) {
if (!strcmp(fname, "NULL") || !strcmp(fname, "null"))
nomessages = 1;
else if ((logFile = fopen(fname, "w")) == NULL) {
fprintf(stderr, "Error opening log file '%s': %s\n",
fname, strerror(errno));
return -1;
}
}
/* initialise Csound library */
csoundInitialize(&argc, &argv, 0);
/* Create Csound. */
csound = csoundCreate(NULL);
/* if logging to file, set message callback */
if (logFile != NULL)
csoundSetMessageCallback(csound, msg_callback);
else if (nomessages)
csoundSetMessageCallback(csound, nomsg_callback);
/* One complete performance cycle. */
result = csoundCompile(csound, argc, argv);
if (!result)
result = csoundPerform(csound);
/* delete Csound instance */
csoundDestroy(csound);
/* close log file */
if (logFile != NULL)
fclose(logFile);
#if 0
/* remove global configuration variables, if there are any */
csoundDeleteAllGlobalConfigurationVariables();
#endif
return (result >= 0 ? 0 : result);
}
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