text: /*
  ** Copyright (c) 2017 rxi
  **
  ** This library is free software; you can redistribute it and/or modify it
  ** under the terms of the MIT license. See `cmixer.c` for details.
  **/
  
  #ifndef CMIXER_H
  #define CMIXER_H
  
  #define CM_VERSION "0.1.1"
  
  typedef short           cm_Int16;
  typedef int             cm_Int32;
  typedef long long       cm_Int64;
  typedef unsigned char   cm_UInt8;
  typedef unsigned short  cm_UInt16;
  typedef unsigned        cm_UInt32;
  
  typedef struct cm_Source cm_Source;
  
  typedef struct {
    int type;
    void *udata;
    const char *msg;
    cm_Int16 *buffer;
    int length;
  } cm_Event;
  
  typedef void (*cm_EventHandler)(cm_Event *e);
  
  typedef struct {
    cm_EventHandler handler;
    void *udata;
    int samplerate;
    int length;
  } cm_SourceInfo;
  
  
  enum {
    CM_STATE_STOPPED,
    CM_STATE_PLAYING,
    CM_STATE_PAUSED
  };
  
  enum {
    CM_EVENT_LOCK,
    CM_EVENT_UNLOCK,
    CM_EVENT_DESTROY,
    CM_EVENT_SAMPLES,
    CM_EVENT_REWIND
  };
  
  
  const char* cm_get_error(void);
  void cm_init(int samplerate);
  void cm_set_lock(cm_EventHandler lock);
  void cm_set_master_gain(double gain);
  void cm_process(cm_Int16 *dst, int len);
  
  cm_Source* cm_new_source(const cm_SourceInfo *info);
  cm_Source* cm_new_source_from_file(const char *filename);
  cm_Source* cm_new_source_from_mem(void *data, int size);
  void cm_destroy_source(cm_Source *src);
  double cm_get_length(cm_Source *src);
  double cm_get_position(cm_Source *src);
  int cm_get_state(cm_Source *src);
  void cm_set_gain(cm_Source *src, double gain);
  void cm_set_pan(cm_Source *src, double pan);
  void cm_set_pitch(cm_Source *src, double pitch);
  void cm_set_loop(cm_Source *src, int loop);
  void cm_play(cm_Source *src);
  void cm_pause(cm_Source *src);
  void cm_stop(cm_Source *src);
  
  #endif