mirror of https://github.com/dzavalishin/oskit/
77 lines
2.1 KiB
C
Executable File
77 lines
2.1 KiB
C
Executable File
/*
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* Copyright (c) 2001 University of Utah and the Flux Group.
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* All rights reserved.
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*
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* This file is part of the Flux OSKit. The OSKit is free software, also known
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* as "open source;" you can redistribute it and/or modify it under the terms
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* of the GNU General Public License (GPL), version 2, as published by the Free
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* Software Foundation (FSF). To explore alternate licensing terms, contact
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* the University of Utah at csl-dist@cs.utah.edu or +1-801-585-3271.
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*
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* The OSKit is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GPL for more details. You should have
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* received a copy of the GPL along with the OSKit; see the file COPYING. If
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* not, write to the FSF, 59 Temple Place #330, Boston, MA 02111-1307, USA.
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*/
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/*
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* Example program to test sound card support
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*/
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <fcntl.h>
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#include <oskit/clientos.h>
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#include <oskit/startup.h>
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#include <oskit/dev/linux.h>
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#include <oskit/dev/osenv.h>
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extern int oskit_linux_sound_open(const char *path, int flags);
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extern int oskit_linux_sound_write(int fd, const char *buf, int count);
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extern int oskit_linux_sound_close(int fd);
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char buf[64*1024];
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int
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main(int argc, char *argv[])
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{
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int infd, outfd, cc;
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#ifndef KNIT
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oskit_clientos_init();
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start_sound_devices();
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start_fs_bmod();
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#endif
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infd = open("soundfile", 0);
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if (infd < 0)
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panic("No file \"soundfile\" to play!");
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outfd = oskit_linux_sound_open("/dev/audio", O_WRONLY);
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if (outfd < 0)
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panic("Cannot open audio device!");
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printf("playing soundfile...\n");
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while ((cc = read(infd, buf, sizeof buf)) > 0) {
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cc = oskit_linux_sound_write(outfd, buf, cc);
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if (cc < 0) {
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printf("audio output error\n");
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break;
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}
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}
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#if 0
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/* XXX avoid cache problems */
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memset(buf, 0x80, sizeof buf);
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oskit_linux_sound_write(outfd, buf, sizeof buf);
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#endif
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printf("done, closing device...\n");
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oskit_linux_sound_close(outfd);
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close(infd);
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printf("all done!\n");
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return 0;
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}
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