isdn4k-utils/ant-phone/src/sound.h

48 lines
1.7 KiB
C

/*
* OSS sound handling functions
*
* This file is part of ANT (Ant is Not a Telephone)
*
* Copyright 2002, 2003 Roland Stigge
*
* ANT 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 of the License, or
* (at your option) any later version.
*
* ANT 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 ANT; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <sys/soundcard.h>
#define DEFAULT_FRAGMENT_SIZE 1024
#define DEFAULT_AUDIO_DEVICE_NAME_IN "/dev/dsp"
#define DEFAULT_AUDIO_DEVICE_NAME_OUT "/dev/dsp"
extern int default_audio_priorities[];
int init_audio_device(int audio_fd, int format, int channels, int *speed,
int *fragment_size);
int open_audio_devices(char *in_audio_device_name,
char *out_audio_device_name,
int channels, int *format_priorities,
int *audio_fd_in, int *audio_fd_out,
int *fragment_size_in, int *fragment_size_out,
int *format_in, int *format_out,
int *speed_in, int *speed_out);
int close_audio_devices(int audio_fd_in, int audio_fd_out);
int audio_stop(int audio_fd_in, int audio_fd_out);
int sample_size_from_format(int format);
int audio_get_read_fragments_number(int fd);
int audio_get_read_fragments_total(int fd);
int audio_get_write_fragments_number(int fd);
int audio_get_write_fragments_total(int fd);