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/*****************************************************************************
* Gnome Wave Cleaner Version 0.19
* Copyright (C) 2003 Jeffrey J. Welty
*
* 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
* of the License, 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.
*******************************************************************************/
/* gwc audio device interface ...frank 12.09.03 */
#ifndef AUDIO_DEVICE_H
#define AUDIO_DEVICE_H
#define AUDIO_IS_IDLE 0x00
#define AUDIO_IS_MONITOR 0x01
#define AUDIO_IS_RECORDING 0x02
#define AUDIO_IS_PLAYBACK 0x04
typedef enum {
GWC_U8,
GWC_S8,
GWC_S16_BE,
GWC_S16_LE,
GWC_UNKNOWN
} AUDIO_FORMAT;
#define MAXBUFSIZE 32768
int audio_device_open(char *output_device);
int audio_device_set_params(AUDIO_FORMAT *format, int *channels, int *rate);
int audio_device_read(unsigned char *buffer, int buffersize);
int audio_device_write(unsigned char *buffer, int buffersize);
void audio_device_close(int);
long audio_device_processed_bytes(void);
int audio_device_best_buffer_size(int playback_bytes_per_block);
int audio_device_nonblocking_write_buffer_size(int maxbufsize,
int playback_bytes_remaining);
#endif /* AUDIO_DEVICE_H */
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