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#ifndef BUF_H
#define BUF_H
#include <pthread.h>
#include "fifo_buf.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef void (out_buf_free_callback)();
struct out_buf
{
struct fifo_buf buf;
pthread_mutex_t mutex;
pthread_t tid; /* Thread id of the reading thread. */
/* Signals. */
pthread_cond_t play_cond; /* Something was written to the buffer. */
pthread_cond_t ready_cond; /* There is some space in the buffer. */
/* Optional callback called when there is some free space in
* the buffer. */
out_buf_free_callback *free_callback;
/* State flags of the buffer. */
int pause;
int exit; /* Exit when the buffer is empty. */
int stop; /* Don't play anything. */
int reset_dev; /* Request to the reading thread to reset the audio
device. */
float time; /* Time of played sound. */
int hardware_buf_fill; /* How the sound card buffer is filled. */
int read_thread_waiting; /* Is the read thread waiting for data? */
};
void out_buf_init (struct out_buf *buf, int size);
void out_buf_destroy (struct out_buf *buf);
int out_buf_put (struct out_buf *buf, const char *data, int size);
void out_buf_pause (struct out_buf *buf);
void out_buf_unpause (struct out_buf *buf);
void out_buf_stop (struct out_buf *buf);
void out_buf_reset (struct out_buf *buf);
void out_buf_time_set (struct out_buf *buf, const float time);
int out_buf_time_get (struct out_buf *buf);
void out_buf_set_free_callback (struct out_buf *buf,
out_buf_free_callback callback);
int out_buf_get_free (struct out_buf *buf);
int out_buf_get_fill (struct out_buf *buf);
void out_buf_wait (struct out_buf *buf);
#ifdef __cplusplus
}
#endif
#endif
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