gc/aesndlib.h

   1 #ifndef __AESNDLIB_H__
   2 #define __AESNDLIB_H__
   3
   4 #include <gctypes.h>
   5
   6 #define MAX_VOICES                              32
   7 #define SND_BUFFERSIZE                  384                             // output 2ms sound data at 48KHz
   8 #define DSP_STREAMBUFFER_SIZE   1152                    // input 2ms sound data at max. 144KHz
   9
  10 #define DSP_DEFAULT_FREQ                48000
  11
  12 #define VOICE_STATE_STOPPED             0
  13 #define VOICE_STATE_RUNNING             1
  14 #define VOICE_STATE_STREAM              2
  15
  16 #define VOICE_MONO8                             0x00000000
  17 #define VOICE_STEREO8                   0x00000001
  18 #define VOICE_MONO16                    0x00000002
  19 #define VOICE_STEREO16                  0x00000003
  20
  21 #define VOICE_FREQ32KHZ                 32000
  22 #define VOICE_FREQ48KHZ                 48000
  23
  24 #ifdef __cplusplus
  25         extern "C" {
  26 #endif
  27
  28 typedef struct aesndpb_t AESNDPB;
  29
  30 typedef void (*AESNDVoiceCallback)(AESNDPB *pb,u32 state);
  31 typedef void (*AESNDAudioCallback)(void *audio_buffer,u32 len);
  32
  33 void AESND_Init();
  34 void AESND_Reset();
  35 void AESND_Pause(bool pause);
  36 u32 AESND_GetDSPProcessTime();
  37 f32 AESND_GetDSPProcessUsage();
  38 AESNDAudioCallback AESND_RegisterAudioCallback(AESNDAudioCallback cb);
  39
  40 AESNDPB* AESND_AllocateVoice(AESNDVoiceCallback cb);
  41 void AESND_FreeVoice(AESNDPB *pb);
  42 void AESND_SetVoiceStop(AESNDPB *pb,bool stop);
  43 void AESND_SetVoiceMute(AESNDPB *pb,bool mute);
  44 void AESND_SetVoiceLoop(AESNDPB *pb,bool loop);
  45 void AESND_SetVoiceFormat(AESNDPB *pb,u32 format);
  46 void AESND_SetVoiceStream(AESNDPB *pb,bool stream);
  47 void AESND_SetVoiceFrequency(AESNDPB *pb,u32 freq);
  48 void AESND_SetVoiceVolume(AESNDPB *pb,u16 volume_l,u16 volume_r);
  49 void AESND_SetVoiceBuffer(AESNDPB *pb,const void *buffer,u32 len);
  50 void AESND_PlayVoice(AESNDPB *pb,u32 format,const void *buffer,u32 len,u32 freq,u32 delay,bool looped);
  51 AESNDVoiceCallback AESND_RegisterVoiceCallback(AESNDPB *pb,AESNDVoiceCallback cb);
  52
  53 #ifdef __cplusplus
  54         }
  55 #endif
  56
  57 #endif