/* * AdPlay/UNIX - OPL2 audio player * Copyright (C) 2001 - 2003 Simon Peter <dn.tlp@gmx.net> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software Foundation, * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include <stdlib.h> #include <stdio.h> #include <fcntl.h> #include <sys/types.h> #include <sys/ioctl.h> #include <unistd.h> #include <sys/soundcard.h> #include "oss.h" #define DEFAULT_DEVICE "/dev/dsp" // Default output device file OSSPlayer::OSSPlayer(Copl *nopl, const char *device, unsigned char bits, int channels, int freq, unsigned long bufsize) : EmuPlayer(nopl, bits, channels, freq, bufsize) { int format = (bits == 16 ? AFMT_S16_LE : AFMT_S8); // Set to default if no device given if(!device) device = DEFAULT_DEVICE; // open OSS audio device if((audio_fd = open(device, O_WRONLY, 0)) == -1) { perror(device); exit(EXIT_FAILURE); } ioctl(audio_fd, SNDCTL_DSP_SETFMT, &format); ioctl(audio_fd, SOUND_PCM_WRITE_CHANNELS, &channels); ioctl(audio_fd, SNDCTL_DSP_SPEED, &freq); } OSSPlayer::~OSSPlayer() { close(audio_fd); } void OSSPlayer::output(const void *buf, unsigned long size) { write(audio_fd, buf, size); }