/*
 * Copyright © 2013 Mozilla Foundation
 *
 * This program is made available under an ISC-style license.  See the
 * accompanying file LICENSE for details.
 */
#if !defined(CUBEB_INTERNAL_0eb56756_4e20_4404_a76d_42bf88cd15a5)
#define CUBEB_INTERNAL_0eb56756_4e20_4404_a76d_42bf88cd15a5

#include "cubeb/cubeb.h"
#include <stdio.h>
#include <string.h>

struct cubeb_ops {
  int (* init)(cubeb ** context, char const * context_name);
  char const * (* get_backend_id)(cubeb * context);
  int (* get_max_channel_count)(cubeb * context, uint32_t * max_channels);
  int (* get_min_latency)(cubeb * context,
                          cubeb_stream_params params,
                          uint32_t * latency_ms);
  int (* get_preferred_sample_rate)(cubeb * context, uint32_t * rate);
  int (* enumerate_devices)(cubeb * context, cubeb_device_type type,
                            cubeb_device_collection ** collection);
  void (* destroy)(cubeb * context);
  int (* stream_init)(cubeb * context,
                      cubeb_stream ** stream,
                      char const * stream_name,
                      cubeb_devid input_device,
                      cubeb_stream_params * input_stream_params,
                      cubeb_devid output_device,
                      cubeb_stream_params * output_stream_params,
                      unsigned int latency,
                      cubeb_data_callback data_callback,
                      cubeb_state_callback state_callback,
                      void * user_ptr);
  void (* stream_destroy)(cubeb_stream * stream);
  int (* stream_start)(cubeb_stream * stream);
  int (* stream_stop)(cubeb_stream * stream);
  int (* stream_get_position)(cubeb_stream * stream, uint64_t * position);
  int (* stream_get_latency)(cubeb_stream * stream, uint32_t * latency);
  int (* stream_set_volume)(cubeb_stream * stream, float volumes);
  int (* stream_set_panning)(cubeb_stream * stream, float panning);
  int (* stream_get_current_device)(cubeb_stream * stream,
                                    cubeb_device ** const device);
  int (* stream_device_destroy)(cubeb_stream * stream,
                                cubeb_device * device);
  int (* stream_register_device_changed_callback)(cubeb_stream * stream,
                                                  cubeb_device_changed_callback device_changed_callback);
  int (* register_device_collection_changed)(cubeb * context,
                                             cubeb_device_type devtype,
                                             cubeb_device_collection_changed_callback callback,
                                             void * user_ptr);
};

#define XASSERT(expr) do {                                              \
    if (!(expr)) {                                                      \
      fprintf(stderr, "%s:%d - fatal error: %s\n", __FILE__, __LINE__, #expr); \
      *((volatile int *) NULL) = 0;                                     \
      abort();                                                          \
    }                                                                   \
  } while (0)

#endif /* CUBEB_INTERNAL_0eb56756_4e20_4404_a76d_42bf88cd15a5 */
