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#ifndef _GALSA_H
#define _GALSA_H
#include <alsa/asoundlib.h>
#include <glib.h>
typedef short sample;
enum dev_runstate {
DEV_OPEN,
DEV_RUNNING,
DEV_STOPREQ,
};
enum qe_message {
QE_DATA,
QE_ERROR,
QE_STOPPED,
};
struct device {
char *path;
unsigned rate;
int chan;
snd_pcm_t *handle;
GAsyncQueue *queue;
size_t pktsize;
GThread *thread;
enum dev_runstate state;
};
struct qe {
enum qe_message message;
int errcode;
char *errp;
ssize_t size;
sample samples[];
};
extern struct device *device_open(const char *path,
unsigned rate, int chan, size_t pktsize);
extern void device_start(struct device *dev);
extern void device_stop(struct device *dev);
extern void device_stop_wait(struct device *dev);
extern void device_stop_done(struct device *dev);
extern void device_close(struct device *dev);
#endif
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