addons/PortAudio/source/new/IoAudioMixer.h

   1 /*   copyright: Steve Dekorte, 2002
   2  *   All rights reserved. See _BSDLicense.txt.
   3  */
   4
   5 #ifndef IOAUDIOMIXER_DEFINED
   6 #define IOAUDIOMIXER_DEFINED 1
   7
   8 #include "IoAudioDevice.h"
   9 #include "IoSound.h"
  10 #include "IoObject.h"
  11 #include "IoSeq.h"
  12 #include "IoSeq.h"
  13
  14 #define ISAUDIOMIXER(self) IoObject_hasCloneFunc_(self, (IoTagCloneFunc *)IoAudioMixer_rawClone)
  15
  16 #define AUDIOEVENT_ADD 0
  17 #define AUDIOEVENT_REMOVE 1
  18
  19 typedef struct
  20 {
  21   IoSound *ioTriggerSound;
  22   long sample;
  23   IoSound *ioPlaySound;
  24   char etype;
  25 } AudioEvent;
  26
  27 typedef IoObject IoAudioMixer;
  28
  29 typedef struct
  30 {
  31   IoSeq *ioBuffer;
  32   UArray *buffer;
  33   UArray *mixBuffer;
  34   float tempo;
  35   float pitch;
  36   int sampleRate;
  37   List *sounds;
  38   List *events;
  39   List *activeEvents;
  40   List *soundsToRemove;
  41   IoAudioDevice *ioAudioDevice;
  42   IoMessage *writeMessage;
  43   IoMessage *nonBlockingWriteMessage;
  44   char isRunning;
  45   float scale;
  46   int samplesPerBuffer;
  47   double volume;
  48   void *soundTouch;
  49 } IoAudioMixerData;
  50
  51 IoAudioMixer *IoAudioMixer_proto(void *state);
  52 IoAudioMixer *IoAudioMixer_new(void *state);
  53 IoAudioMixer *IoAudioMixer_rawClone(IoAudioMixer *self);
  54
  55 void IoAudioMixer_free(IoAudioMixer *self);
  56 void IoAudioMixer_mark(IoAudioMixer *self);
  57
  58 /* ----------------------------------------------------------- */
  59 void IoAudioMixer_updateBufferSize(IoAudioMixer *self);
  60 IoObject *IoAudioMixer_setAudioDevice(IoAudioMixer *self, IoObject *locals, IoMessage *m);
  61 IoObject *IoAudioMixer_setSamplesPerBuffer(IoAudioMixer *self, IoObject *locals, IoMessage *m);
  62 IoObject *IoAudioMixer_setVolume(IoAudioMixer *self, IoObject *locals, IoMessage *m);
  63
  64 IoObject *IoAudioMixer_addSound_(IoAudioMixer *self, IoObject *locals, IoMessage *m);
  65 IoObject *IoAudioMixer_addSound_onSample_ofSound_(IoAudioMixer *self, IoObject *locals, IoMessage *m);
  66 IoObject *IoAudioMixer_removeSound_(IoAudioMixer *self, IoObject *locals, IoMessage *m);
  67 IoObject *IoAudioMixer_removeSound_onSample_ofSound_(IoAudioMixer *self, IoObject *locals, IoMessage *m);
  68 IoObject *IoAudioMixer_removeAllSounds(IoAudioMixer *self, IoObject *locals, IoMessage *m);
  69 IoObject *IoAudioMixer_sounds(IoAudioMixer *self, IoObject *locals, IoMessage *m);
  70
  71 IoObject *IoAudioMixer_start(IoAudioMixer *self, IoObject *locals, IoMessage *m);
  72 IoObject *IoAudioMixer_stop(IoAudioMixer *self, IoObject *locals, IoMessage *m);
  73 void IoAudioMixer_processActiveEvents(IoAudioMixer *self);
  74 int IoAudioMixer_mixOneChunk(IoAudioMixer *self, IoObject *locals, IoMessage *m);
  75
  76 IoObject *IoAudioMixer_setTempo(IoAudioMixer *self, IoObject *locals, IoMessage *m);
  77 IoObject *IoAudioMixer_setSampleRate(IoAudioMixer *self, IoObject *locals, IoMessage *m);
  78 IoObject *IoAudioMixer_setPitchSemiTones(IoAudioMixer *self, IoObject *locals, IoMessage *m);
  79
  80 #endif