#ifndef foocommonh
#define foocommonh

#include "sydney.h"
#include "mutex.h"

#define _META_NAMES_MAX 9

typedef struct pcm_attrs {
    sa_pcm_format_t format;
    unsigned rate;
    unsigned nchannels;
    sa_channel_t *channel_map;
} pcm_attrs_t;

struct sa_stream {
    sa_mode_t mode;

    pcm_attrs_t pcm_attrs;
    size_t pcm_sample_size;
    size_t pcm_frame_size;

    char *codec;

    size_t read_lower_watermark;
    size_t read_upper_watermark;
    size_t write_lower_watermark;
    size_t write_upper_watermark;

    sa_xrun_mode_t xrun_mode;
    int ni_enabled;
    int dynamic_rate_enabled;
    
    sa_event_callback_t event_callback;

    char *device;
    char *driver;
    
    int32_t *read_volume;
    int32_t *write_volume;

    void *user_data;

    sa_state_t state;

    sa_adjust_t adjust_rate;
    sa_adjust_t adjust_nchannels;
    sa_adjust_t adjust_pcm_format;
    sa_adjust_t adjust_watermarks;

    sa_error_t error;
    sa_notify_t notify;
    sa_event_t event;

    void *private; /* driver specific data */

    void *meta_data[_META_NAMES_MAX];
    size_t meta_data_size[_META_NAMES_MAX];

    sa_mutex_t *mutex;

    sa_event_callback_t callback;
};

size_t get_pcm_sample_size(sa_pcm_format_t f);

#endif