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unit aesndlib;
{$mode objfpc}
{$J+}
{$INLINE ON}
{$MACRO ON}
{$PACKRECORDS C}
{$ASSERTIONS ON}
interface
uses
ctypes, gctypes;
const
MAX_VOICES = 32;
SND_BUFFERSIZE = 384; // output 2ms sound data at 48KHz
{$ifdef HW_DOL}
DSP_DEFAULT_FREQ = 48044;
{$else}
DSP_DEFAULT_FREQ = 48000;
{$endif}
VOICE_STATE_STOPPED = 0;
VOICE_STATE_RUNNING = 1;
VOICE_STATE_STREAM = 2;
VOICE_MONO8 = $00000000;
VOICE_STEREO8 = $00000001;
VOICE_MONO16 = $00000002;
VOICE_STEREO16 = $00000003;
VOICE_FREQ32KHZ = 32000;
VOICE_FREQ48KHZ = 48000;
type
aesndpb_t = record
end;
AESNDPB = aesndpb_t;
PAESNDPB = ^AESNDPB;
AESNDVoiceCallback = procedure(pb: PAESNDPB; state: cuint32); cdecl;
AESNDAudioCallback = procedure(audio_buffer: pointer; len: cuint32); cdecl;
procedure AESND_Init; cdecl; external;
procedure AESND_Reset; cdecl; external;
procedure AESND_Pause(pause: cbool); cdecl; external;
function AESND_GetDSPProcessTime: cuint32; cdecl; external;
function AESND_GetDSPProcessUsage: f32; cdecl; external;
function AESND_RegisterAudioCallback(cb: AESNDAudioCallback): AESNDAudioCallback; cdecl; external;
function AESND_AllocateVoice(cb: AESNDVoiceCallback): PAESNDPB; cdecl; external;
procedure AESND_FreeVoice(pb: PAESNDPB); cdecl; external;
procedure AESND_SetVoiceStop(pb: PAESNDPB; stop: cbool); cdecl; external;
procedure AESND_SetVoiceMute(pb: PAESNDPB; mute: cbool); cdecl; external;
procedure AESND_SetVoiceLoop(pb: PAESNDPB; loop: cbool); cdecl; external;
procedure AESND_SetVoiceFormat(pb: PAESNDPB; format: cuint32); cdecl; external;
procedure AESND_SetVoiceStream(pb: PAESNDPB; stream: cbool); cdecl; external;
procedure AESND_SetVoiceFrequency(pb: PAESNDPB; freq: cuint32); cdecl; external;
procedure AESND_SetVoiceVolume(pb: PAESNDPB; volume_l, volume_r: cuint16); cdecl; external;
procedure AESND_SetVoiceBuffer(pb: PAESNDPB; buffer: pointer; len: cuint32); cdecl; external;
procedure AESND_PlayVoice(pb: PAESNDPB; format: cuint32; buffer: pointer; len, freq, delay: cuint32; looped: cbool); cdecl; external;
function AESND_RegisterVoiceCallback(pb: PAESNDPB; cb: AESNDVoiceCallback): AESNDVoiceCallback; cdecl; external;
implementation
initialization
{$linklib aesnd}
end.
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