#ifndef __playback_h__
#define __playback_h__

#include <gnome.h>
#include <ao/ao.h>

typedef struct _Playback {
	int opt;
	char *devicetype;
	char *device;
	ao_device* playdevice;
	GMutex* pause_mutex;
	GCond* pause_condv;
	gboolean paused;
	gboolean effect;
	gboolean volume;
	gfloat vol_factor;
} Playback;

enum
{
	AO_USE_OSS       = 0x00000010,
	AO_USE_SUN       = 0x00000020,
	AO_USE_ALSA      = 0x00000040,
	AO_USE_ESD       = 0x00000080,
	AO_USE_ARTS      = 0x00000100,
	AO_USE_NULL      = 0x00000200,
	AO_USE_STDOUT    = 0x00000400,
	AO_USE_WAV       = 0x00000800,
	AO_USE_AU        = 0x00001000,
	AO_USE_CDR       = 0x00002000,
	AO_USE_USERDEF   = 0x00004000,
	AO_USE_ALSA09    = 0x00008000,
};

/*---------------------------------------------------------------------------*/

/* libao interfacing and general audio-out functions */
void playback_init(void);
void playback_quit(void);
int  playback_is_big_endian(void);
void playback_play_it(unsigned char *,int length,int nch,int samplerate,int bitrate);
void playback_open_playdevice(int rate,int nch,int bitrate);
void playback_close_playdevice(void);
int  playback_is_live(void);
void playback_set_playdevice(char *devicename);
void playback_pause(void);
void playback_unpause(void);

/* get playback infomations */
ao_device* playback_get_playdevice(void);
char* playback_get_devicetype(void);
GList *playback_get_playable_device(void);

/* effect control function */
void playback_effect_set_active(gboolean value);
gboolean playback_effect_get_active(void);

/* Software volume control functions */
void playback_volume_set_factor(gfloat factor);
void playback_volume_set_active(gboolean val);
gboolean playback_volume_get_active(void);

#endif /*playback.h*/