core/async_event.h

   1 #ifndef CORE_EVENT_H
   2 #define CORE_EVENT_H
   3
   4 #include "almalloc.h"
   5
   6 struct EffectState;
   7
   8 using uint = unsigned int;
   9
  10
  11 struct AsyncEvent {
  12     enum : uint {
  13         /* User event types. */
  14         SourceStateChange,
  15         BufferCompleted,
  16         Disconnected,
  17         UserEventCount,
  18
  19         /* Internal events, always processed. */
  20         ReleaseEffectState = 128,
  21
  22         /* End event thread processing. */
  23         KillThread,
  24     };
  25
  26     enum class SrcState {
  27         Reset,
  28         Stop,
  29         Play,
  30         Pause
  31     };
  32
  33     const uint EnumType;
  34     union {
  35         char dummy;
  36         struct {
  37             uint id;
  38             SrcState state;
  39         } srcstate;
  40         struct {
  41             uint id;
  42             uint count;
  43         } bufcomp;
  44         struct {
  45             char msg[244];
  46         } disconnect;
  47         EffectState *mEffectState;
  48     } u{};
  49
  50     constexpr AsyncEvent(uint type) noexcept : EnumType{type} { }
  51
  52     DISABLE_ALLOC()
  53 };
  54
  55 #endif