common.h


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#ifndef foocommonh
#define foocommonh

#include "sydney.h"

#define elementsof(x) (sizeof(x)/sizeof((x)[0]))

struct sa_device {
    sa_mode_t mode;

    sa_pcm_format_t pcm_format;
    unsigned rate;
    unsigned nchannels;

    char *codec;

    char *client_name;
    char *stream_name;

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

    sa_channel_t *channel_map;

    sa_xrun_mode_t xrun_mode;
    int ni_enabled;
    int dsr_enabled;
    
    sa_event_callback_t event_callback;

    char *device;
    char *driver;
    
    int input_volume;
    int output_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_error_t error;
    sa_notify_t notify;
    sa_event_t event;
};

sa_device_t *device_alloc(size_t total);
void device_free(sa_device_t *d);

int device_alloc_pcm(sa_device_t **dev, size_t total, const char *client_name, sa_mode_t mode, sa_pcm_format_t format, unsigned rate, unsigned channels);
int device_alloc_opaque(sa_device_t **dev, size_t total, const char *client_name, sa_mode_t mode, const char *codec);

#endif