include/lib/driver/audiodynamic.h

   1 #ifndef __lib_driver_audiodynamic_h
   2 #define __lib_driver_audiodynamic_h
   3
   4 class eAudioDynamicCompression: public Object
   5 {
   6         struct arg_s
   7         {
   8                 int num;
   9                 int clear;
  10                 unsigned long long dst;
  11                 int dst_n;
  12         };
  13         eTimer pollTimer;
  14         int fd;
  15         int current_value;
  16
  17         int last_val[100]; // the last 10 seconds
  18         int last_ptr;
  19
  20         int read_rms(int i);
  21         int hyst_low, hyst_hi;
  22         int current_fast, current_slow;
  23         int enabled;
  24
  25         void doPoll();
  26         static eAudioDynamicCompression *instance;
  27 public:
  28         static eAudioDynamicCompression *getInstance()
  29         {
  30                 return instance;
  31         }
  32
  33         int getCurrent() { if (!enabled) doPoll(); return current_value; }
  34         void setEnable(int enable);
  35         int getEnable() { return enabled; }
  36         int getMax() { return hyst_hi; }
  37         void setMax(int h) { hyst_hi = h; hyst_low = h / 2; }
  38
  39         eAudioDynamicCompression();
  40         ~eAudioDynamicCompression();
  41 };
  42
  43 #endif