diff options
Diffstat (limited to 'Game/Code/Classes/UAudioPlayback_Portaudio.pas')
-rw-r--r-- | Game/Code/Classes/UAudioPlayback_Portaudio.pas | 608 |
1 files changed, 330 insertions, 278 deletions
diff --git a/Game/Code/Classes/UAudioPlayback_Portaudio.pas b/Game/Code/Classes/UAudioPlayback_Portaudio.pas index 5f4a8cde..2743fa86 100644 --- a/Game/Code/Classes/UAudioPlayback_Portaudio.pas +++ b/Game/Code/Classes/UAudioPlayback_Portaudio.pas @@ -9,35 +9,40 @@ interface {$I switches.inc} -uses Classes, - SysUtils, - UMusic; +uses + Classes, + SysUtils, + UMusic; implementation uses - {$IFDEF LAZARUS} - lclintf, - {$ifndef win32} - libc, - {$endif} - {$ENDIF} - sdl, - portaudio, - ULog, - UIni, - UMain; + {$IFNDEF Win32} + libc, + {$ENDIF} + sdl, + portaudio, + ULog, + UIni, + UMain; type TPortaudioPlaybackStream = class(TAudioPlaybackStream) private - status: TStreamStatus; - Loaded: boolean; + Status: TStreamStatus; Loop: boolean; + + _volume: integer; + + procedure Reset(); public - decodeStream: TAudioDecodeStream; + DecodeStream: TAudioDecodeStream; + + constructor Create(); + destructor Destroy(); override; + + function SetDecodeStream(decodeStream: TAudioDecodeStream): boolean; - constructor Create(decodeStream: TAudioDecodeStream); procedure Play(); override; procedure Pause(); override; procedure Stop(); override; @@ -49,6 +54,9 @@ type function IsLoaded(): boolean; + function GetVolume(): integer; override; + procedure SetVolume(volume: integer); override; + // functions delegated to the decode stream function GetPosition: real; procedure SetPosition(Time: real); @@ -60,12 +68,23 @@ type private activeStreams: TList; mixerBuffer: PChar; + internalLock: PSDL_Mutex; + + _volume: integer; + + procedure Lock(); inline; + procedure Unlock(); inline; + + function GetVolume(): integer; + procedure SetVolume(volume: integer); public constructor Create(); destructor Destroy(); override; procedure AddStream(stream: TAudioPlaybackStream); procedure RemoveStream(stream: TAudioPlaybackStream); function ReadData(Buffer: PChar; BufSize: integer): integer; + + property Volume: integer READ GetVolume WRITE SetVolume; end; type @@ -73,36 +92,29 @@ type private MusicStream: TPortaudioPlaybackStream; - StartSoundStream: TPortaudioPlaybackStream; - BackSoundStream: TPortaudioPlaybackStream; - SwooshSoundStream: TPortaudioPlaybackStream; - ChangeSoundStream: TPortaudioPlaybackStream; - OptionSoundStream: TPortaudioPlaybackStream; - ClickSoundStream: TPortaudioPlaybackStream; - DrumSoundStream: TPortaudioPlaybackStream; - HihatSoundStream: TPortaudioPlaybackStream; - ClapSoundStream: TPortaudioPlaybackStream; - ShuffleSoundStream: TPortaudioPlaybackStream; - - //Custom Sounds - CustomSounds: array of TCustomSoundEntry; - - mixerStream: TAudioMixerStream; + MixerStream: TAudioMixerStream; paStream: PPaStream; - public - FrameSize: integer; - function GetName: String; + FrameSize: integer; function InitializePortaudio(): boolean; function StartPortaudioStream(): boolean; - procedure InitializePlayback(); + function InitializeSDLAudio(): boolean; + function StartSDLAudioStream(): boolean; + procedure StopSDLAudioStream(); + public + function GetName: String; + + function InitializePlayback(): boolean; + destructor Destroy; override; + + function Load(const Filename: String): TPortaudioPlaybackStream; + procedure SetVolume(Volume: integer); procedure SetMusicVolume(Volume: integer); procedure SetLoop(Enabled: boolean); function Open(Filename: string): boolean; // true if succeed - function Load(Filename: string): TPortaudioPlaybackStream; procedure Rewind; procedure SetPosition(Time: real); procedure Play; @@ -113,27 +125,17 @@ type function Finished: boolean; function Length: real; function GetPosition: real; - procedure PlayStart; - procedure PlayBack; - procedure PlaySwoosh; - procedure PlayChange; - procedure PlayOption; - procedure PlayClick; - procedure PlayDrum; - procedure PlayHihat; - procedure PlayClap; - procedure PlayShuffle; - procedure StopShuffle; - - //Equalizer - function GetFFTData: TFFTData; + + // Equalizer + procedure GetFFTData(var data: TFFTData); // Interface for Visualizer function GetPCMData(var data: TPCMData): Cardinal; - //Custom Sounds - function LoadCustomSound(const Filename: String): Cardinal; - procedure PlayCustomSound(const Index: Cardinal ); + // Sounds + function OpenSound(const Filename: String): TAudioPlaybackStream; + procedure PlaySound(stream: TAudioPlaybackStream); + procedure StopSound(stream: TAudioPlaybackStream); end; @@ -150,25 +152,59 @@ var constructor TAudioMixerStream.Create(); begin activeStreams := TList.Create; + internalLock := SDL_CreateMutex(); + _volume := 100; end; destructor TAudioMixerStream.Destroy(); begin - if (mixerBuffer <> nil) then + if assigned(mixerBuffer) then Freemem(mixerBuffer); activeStreams.Free; + SDL_DestroyMutex(internalLock); +end; + +procedure TAudioMixerStream.Lock(); +begin + SDL_mutexP(internalLock); +end; + +procedure TAudioMixerStream.Unlock(); +begin + SDL_mutexV(internalLock); +end; + +function TAudioMixerStream.GetVolume(): integer; +begin + Lock(); + result := _volume; + Unlock(); +end; + +procedure TAudioMixerStream.SetVolume(volume: integer); +begin + Lock(); + _volume := volume; + Unlock(); end; procedure TAudioMixerStream.AddStream(stream: TAudioPlaybackStream); begin + if not assigned(stream) then + Exit; + + Lock(); // check if stream is already in list to avoid duplicates if (activeStreams.IndexOf(Pointer(stream)) = -1) then activeStreams.Add(Pointer(stream)); + Unlock(); end; procedure TAudioMixerStream.RemoveStream(stream: TAudioPlaybackStream); begin + Lock(); activeStreams.Remove(Pointer(stream)); + Unlock(); end; function TAudioMixerStream.ReadData(Buffer: PChar; BufSize: integer): integer; @@ -176,79 +212,111 @@ var i: integer; size: integer; stream: TPortaudioPlaybackStream; + appVolume: single; begin result := BufSize; // zero target-buffer (silence) FillChar(Buffer^, BufSize, 0); - // resize mixer-buffer + // resize mixer-buffer if necessary ReallocMem(mixerBuffer, BufSize); - if (mixerBuffer = nil) then + if not assigned(mixerBuffer) then Exit; - writeln('Mix: ' + inttostr(activeStreams.Count)); + Lock(); + + //writeln('Mix: ' + inttostr(activeStreams.Count)); + + // use _volume instead of Volume to prevent recursive locking + appVolume := _volume / 100 * SDL_MIX_MAXVOLUME; for i := 0 to activeStreams.Count-1 do begin stream := TPortaudioPlaybackStream(activeStreams[i]); - if (stream.GetStatus() = sPlaying) then + if (stream.GetStatus() = ssPlaying) then begin // fetch data from current stream size := stream.ReadData(mixerBuffer, BufSize); if (size > 0) then begin - SDL_MixAudio(PUInt8(Buffer), PUInt8(mixerBuffer), size, SDL_MIX_MAXVOLUME); + SDL_MixAudio(PUInt8(Buffer), PUInt8(mixerBuffer), size, + Trunc(appVolume * stream.Volume / 100)); end; end; end; + + Unlock(); end; { TPortaudioPlaybackStream } -constructor TPortaudioPlaybackStream.Create(decodeStream: TAudioDecodeStream); +constructor TPortaudioPlaybackStream.Create(); begin inherited Create(); - status := sStopped; - if (decodeStream <> nil) then - begin - Self.decodeStream := decodeStream; - Loaded := true; - end; + Reset(); +end; + +destructor TPortaudioPlaybackStream.Destroy(); +begin + Close(); + inherited Destroy(); +end; + +procedure TPortaudioPlaybackStream.Reset(); +begin + Status := ssStopped; + Loop := false; + DecodeStream := nil; + _volume := 0; +end; + +function TPortaudioPlaybackStream.SetDecodeStream(decodeStream: TAudioDecodeStream): boolean; +begin + result := false; + + Reset(); + + if not assigned(decodeStream) then + Exit; + Self.DecodeStream := decodeStream; + + _volume := 100; + + result := true; +end; + +procedure TPortaudioPlaybackStream.Close(); +begin + Reset(); end; procedure TPortaudioPlaybackStream.Play(); begin - if (status <> sPaused) then + if (status <> ssPaused) then begin // rewind - decodeStream.Position := 0; + if assigned(DecodeStream) then + DecodeStream.Position := 0; end; - status := sPlaying; - //mixerStream.AddStream(Self); + status := ssPlaying; + //MixerStream.AddStream(Self); end; procedure TPortaudioPlaybackStream.Pause(); begin - status := sPaused; + status := ssPaused; end; procedure TPortaudioPlaybackStream.Stop(); begin - status := sStopped; -end; - -procedure TPortaudioPlaybackStream.Close(); -begin - status := sStopped; - Loaded := false; - // TODO: cleanup decode-stream + status := ssStopped; end; function TPortaudioPlaybackStream.IsLoaded(): boolean; begin - result := Loaded; + result := assigned(DecodeStream); end; function TPortaudioPlaybackStream.GetLoop(): boolean; @@ -263,7 +331,10 @@ end; function TPortaudioPlaybackStream.GetLength(): real; begin - result := decodeStream.Length; + if assigned(DecodeStream) then + result := DecodeStream.Length + else + result := -1; end; function TPortaudioPlaybackStream.GetStatus(): TStreamStatus; @@ -273,22 +344,47 @@ end; function TPortaudioPlaybackStream.ReadData(Buffer: PChar; BufSize: integer): integer; begin - result := decodeStream.ReadData(Buffer, BufSize); + if not assigned(DecodeStream) then + begin + result := -1; + Exit; + end; + result := DecodeStream.ReadData(Buffer, BufSize); // end-of-file reached -> stop playback - if (decodeStream.EOF) then + if (DecodeStream.EOF) then begin - status := sStopped; + status := ssStopped; end; end; function TPortaudioPlaybackStream.GetPosition: real; begin - result := decodeStream.Position; + if assigned(DecodeStream) then + result := DecodeStream.Position + else + result := -1; end; procedure TPortaudioPlaybackStream.SetPosition(Time: real); begin - decodeStream.Position := Time; + if assigned(DecodeStream) then + DecodeStream.Position := Time; +end; + +function TPortaudioPlaybackStream.GetVolume(): integer; +begin + result := _volume; +end; + +procedure TPortaudioPlaybackStream.SetVolume(volume: integer); +begin + // clamp volume + if (volume > 100) then + _volume := 100 + else if (volume < 0) then + _volume := 0 + else + _volume := volume; end; @@ -298,18 +394,26 @@ function AudioCallback(input: Pointer; output: Pointer; frameCount: Longword; timeInfo: PPaStreamCallbackTimeInfo; statusFlags: TPaStreamCallbackFlags; userData: Pointer): Integer; cdecl; var - playback : TAudioPlayback_Portaudio; - playbackStream : TPortaudioPlaybackStream; - decodeStream : TAudioDecodeStream; + playback: TAudioPlayback_Portaudio; begin playback := TAudioPlayback_Portaudio(userData); with playback do begin - mixerStream.ReadData(output, frameCount * FrameSize); + MixerStream.ReadData(output, frameCount * FrameSize); end; result := paContinue; end; +procedure SDLAudioCallback(userdata: Pointer; stream: PChar; len: integer); cdecl; +var + playback: TAudioPlayback_Portaudio; +begin + playback := TAudioPlayback_Portaudio(userdata); + with playback do + begin + //MixerStream.ReadData(stream, len); + end; +end; function TAudioPlayback_Portaudio.GetName: String; begin @@ -349,10 +453,11 @@ begin device := paOutDevice; channelCount := 2; sampleFormat := paInt16; - suggestedLatency := paOutDeviceInfo^.defaultLowOutputLatency; + suggestedLatency := paOutDeviceInfo^.defaultHighOutputLatency; hostApiSpecificStreamInfo := nil; end; + // set the size of one audio frame (2channel 16bit uint sample) FrameSize := 2 * sizeof(Smallint); err := Pa_OpenStream(paStream, nil, @paOutParams, 44100, @@ -384,219 +489,208 @@ begin result := true; end; -procedure TAudioPlayback_Portaudio.InitializePlayback; +function TAudioPlayback_Portaudio.InitializeSDLAudio(): boolean; +var + desiredAudioSpec, obtainedAudioSpec: TSDL_AudioSpec; + err: integer; begin - Log.LogStatus('InitializePlayback', 'UAudioPlayback_Portaudio'); + result := false; - InitializePortaudio(); - mixerStream := TAudioMixerStream.Create; + SDL_InitSubSystem(SDL_INIT_AUDIO); - StartSoundStream := Load(SoundPath + 'Common start.mp3'); - BackSoundStream := Load(SoundPath + 'Common back.mp3'); - SwooshSoundStream := Load(SoundPath + 'menu swoosh.mp3'); - ChangeSoundStream := Load(SoundPath + 'select music change music 50.mp3'); - OptionSoundStream := Load(SoundPath + 'option change col.mp3'); - ClickSoundStream := Load(SoundPath + 'rimshot022b.mp3'); + FillChar(desiredAudioSpec, sizeof(desiredAudioSpec), 0); + with desiredAudioSpec do + begin + freq := 44100; + format := AUDIO_S16SYS; + channels := 2; + samples := 1024; // latency: 23 ms + callback := @SDLAudioCallback; + userdata := Self; + end; -// DrumSoundStream := Load(SoundPath + 'bassdrumhard076b.mp3'); -// HihatSoundStream := Load(SoundPath + 'hihatclosed068b.mp3'); -// ClapSoundStream := Load(SoundPath + 'claps050b.mp3'); + // set the size of one audio frame (2channel 16bit uint sample) + FrameSize := 2 * sizeof(Smallint); + + if(SDL_OpenAudio(@desiredAudioSpec, @obtainedAudioSpec) = -1) then + begin + Log.LogStatus('SDL_OpenAudio: ' + SDL_GetError(), 'UAudioPlayback_SDL'); + exit; + end; -// ShuffleSoundStream := Load(SoundPath + 'Shuffle.mp3'); + Log.LogStatus('Opened audio device', 'UAudioPlayback_SDL'); - StartPortaudioStream(); + result := true; end; +function TAudioPlayback_Portaudio.StartSDLAudioStream(): boolean; +begin + SDL_PauseAudio(0); + result := true; +end; -procedure TAudioPlayback_Portaudio.SetVolume(Volume: integer); +procedure TAudioPlayback_Portaudio.StopSDLAudioStream(); begin - //New: Sets Volume only for this Application -(* - BASS_SetConfig(BASS_CONFIG_GVOL_SAMPLE, Volume); - BASS_SetConfig(BASS_CONFIG_GVOL_STREAM, Volume); - BASS_SetConfig(BASS_CONFIG_GVOL_MUSIC, Volume); -*) + SDL_CloseAudio(); end; -procedure TAudioPlayback_Portaudio.SetMusicVolume(Volume: Integer); +function TAudioPlayback_Portaudio.InitializePlayback: boolean; begin - //Max Volume Prevention - if Volume > 100 then - Volume := 100; + result := false; - if Volume < 0 then - Volume := 0; + //Log.LogStatus('InitializePlayback', 'UAudioPlayback_Portaudio'); - //Set Volume -// BASS_ChannelSetAttributes (Bass, -1, Volume, -101); + //if(not InitializePortaudio()) then + if(not InitializeSDLAudio()) then + Exit; + + MixerStream := TAudioMixerStream.Create; + + //if(not StartPortaudioStream()) then; + if(not StartSDLAudioStream()) then + Exit; + + result := true; end; -procedure TAudioPlayback_Portaudio.SetLoop(Enabled: boolean); +destructor TAudioPlayback_Portaudio.Destroy; begin - if (MusicStream <> nil) then - if (MusicStream.IsLoaded) then - MusicStream.SetLoop(Enabled); + StopSDLAudioStream(); + + MixerStream.Free(); + MusicStream.Free(); + + inherited Destroy(); end; -function TAudioPlayback_Portaudio.Open(Filename: string): boolean; +function TAudioPlayback_Portaudio.Load(const Filename: String): TPortaudioPlaybackStream; var decodeStream: TAudioDecodeStream; + playbackStream: TPortaudioPlaybackStream; begin - decodeStream := AudioDecoder.Open(Filename); - MusicStream := TPortaudioPlaybackStream.Create(decodeStream); - // FIXME: remove this line - mixerStream.AddStream(MusicStream); + Result := nil; - if(MusicStream.IsLoaded()) then + decodeStream := AudioDecoder.Open(Filename); + if not assigned(decodeStream) then begin - //Set Max Volume - SetMusicVolume(100); + Log.LogStatus('LoadSoundFromFile: Sound not found "' + Filename + '"', 'UAudioPlayback_Portaudio'); + Exit; end; - Result := MusicStream.IsLoaded(); -end; - -procedure TAudioPlayback_Portaudio.Rewind; -begin - SetPosition(0); -end; + playbackStream := TPortaudioPlaybackStream.Create(); + if (not playbackStream.SetDecodeStream(decodeStream)) then + Exit; -procedure TAudioPlayback_Portaudio.SetPosition(Time: real); -begin - if (MusicStream.IsLoaded) then - begin - MusicStream.SetPosition(Time); - end; -end; + // FIXME: remove this line + MixerStream.AddStream(playbackStream); -function TAudioPlayback_Portaudio.GetPosition: real; -begin - if (MusicStream.IsLoaded) then - Result := MusicStream.GetPosition(); + result := playbackStream; end; -function TAudioPlayback_Portaudio.Length: real; +procedure TAudioPlayback_Portaudio.SetVolume(Volume: integer); begin - Result := 0; - if assigned( MusicStream ) then - if (MusicStream.IsLoaded) then - begin - Result := MusicStream.GetLength(); - end; + // sets volume only for this application + MixerStream.Volume := Volume; end; -procedure TAudioPlayback_Portaudio.Play; +procedure TAudioPlayback_Portaudio.SetMusicVolume(Volume: Integer); begin - if (MusicStream <> nil) then - if (MusicStream.IsLoaded) then - begin - if (MusicStream.GetLoop()) then - begin - end; - // start from beginning... - // actually bass itself does not loop, nor does this TAudio_FFMpeg Class - MusicStream.Play(); - end; + if assigned(MusicStream) then + MusicStream.Volume := Volume; end; -procedure TAudioPlayback_Portaudio.Pause; +procedure TAudioPlayback_Portaudio.SetLoop(Enabled: boolean); begin - if (MusicStream <> nil) then - MusicStream.Pause(); + if assigned(MusicStream) then + MusicStream.SetLoop(Enabled); end; -procedure TAudioPlayback_Portaudio.Stop; +function TAudioPlayback_Portaudio.Open(Filename: string): boolean; +var + decodeStream: TAudioDecodeStream; begin - if MusicStream <> nil then - MusicStream.Stop(); -end; + Result := false; -procedure TAudioPlayback_Portaudio.Close; -begin - if MusicStream <> nil then - MusicStream.Close(); -end; + // free old MusicStream + MusicStream.Free(); -function TAudioPlayback_Portaudio.Finished: boolean; -begin - if MusicStream <> nil then - Result := (MusicStream.GetStatus() = sStopped); -end; + MusicStream := Load(Filename); + if not assigned(MusicStream) then + Exit; -procedure TAudioPlayback_Portaudio.PlayStart; -begin - if StartSoundStream <> nil then - StartSoundStream.Play(); -end; + //Set Max Volume + SetMusicVolume(100); -procedure TAudioPlayback_Portaudio.PlayBack; -begin - if BackSoundStream <> nil then - BackSoundStream.Play(); + Result := true; end; -procedure TAudioPlayback_Portaudio.PlaySwoosh; +procedure TAudioPlayback_Portaudio.Rewind; begin - if SwooshSoundStream <> nil then - SwooshSoundStream.Play(); + SetPosition(0); end; -procedure TAudioPlayback_Portaudio.PlayChange; +procedure TAudioPlayback_Portaudio.SetPosition(Time: real); begin - if ChangeSoundStream <> nil then - ChangeSoundStream.Play(); + if assigned(MusicStream) then + MusicStream.SetPosition(Time); end; -procedure TAudioPlayback_Portaudio.PlayOption; +function TAudioPlayback_Portaudio.GetPosition: real; begin - if OptionSoundStream <> nil then - OptionSoundStream.Play(); + if assigned(MusicStream) then + Result := MusicStream.GetPosition() + else + Result := -1; end; -procedure TAudioPlayback_Portaudio.PlayClick; +function TAudioPlayback_Portaudio.Length: real; begin - if ClickSoundStream <> nil then - ClickSoundStream.Play(); + if assigned(MusicStream) then + Result := MusicStream.GetLength() + else + Result := -1; end; -procedure TAudioPlayback_Portaudio.PlayDrum; +procedure TAudioPlayback_Portaudio.Play; begin - if DrumSoundStream <> nil then - DrumSoundStream.Play(); + if assigned(MusicStream) then + MusicStream.Play(); end; -procedure TAudioPlayback_Portaudio.PlayHihat; +procedure TAudioPlayback_Portaudio.Pause; begin - if HihatSoundStream <> nil then - HihatSoundStream.Play(); + if assigned(MusicStream) then + MusicStream.Pause(); end; -procedure TAudioPlayback_Portaudio.PlayClap; +procedure TAudioPlayback_Portaudio.Stop; begin - if ClapSoundStream <> nil then - ClapSoundStream.Play(); + if assigned(MusicStream) then + MusicStream.Stop(); end; -procedure TAudioPlayback_Portaudio.PlayShuffle; +procedure TAudioPlayback_Portaudio.Close; begin - if ShuffleSoundStream <> nil then - ShuffleSoundStream.Play(); + if assigned(MusicStream) then + begin + MixerStream.RemoveStream(MusicStream); + MusicStream.Close(); + end; end; -procedure TAudioPlayback_Portaudio.StopShuffle; +function TAudioPlayback_Portaudio.Finished: boolean; begin - if ShuffleSoundStream <> nil then - ShuffleSoundStream.Stop(); + if assigned(MusicStream) then + Result := (MusicStream.GetStatus() = ssStopped) + else + Result := true; end; //Equalizer -function TAudioPlayback_Portaudio.GetFFTData: TFFTData; -var - data: TFFTData; +procedure TAudioPlayback_Portaudio.GetFFTData(var data: TFFTData); begin //Get Channel Data Mono and 256 Values // BASS_ChannelGetData(Bass, @Result, BASS_DATA_FFT512); - result := data; end; // Interface for Visualizer @@ -605,66 +699,24 @@ begin result := 0; end; -function TAudioPlayback_Portaudio.Load(Filename: string): TPortaudioPlaybackStream; -var - decodeStream : TAudioDecodeStream; - playbackStream : TPortaudioPlaybackStream; - csIndex : integer; +function TAudioPlayback_Portaudio.OpenSound(const Filename: String): TAudioPlaybackStream; begin - result := nil; - - decodeStream := AudioDecoder.Open(Filename); - if (decodeStream = nil) then - begin - Log.LogStatus('LoadSoundFromFile: Sound not found "' + Filename + '"', 'UAudioPlayback_Portaudio'); - exit; - end; - - playbackStream := TPortaudioPlaybackStream.Create(decodeStream); - // FIXME: remove this line - mixerStream.AddStream(playbackStream); - - //Add CustomSound - csIndex := High(CustomSounds) + 1; - SetLength(CustomSounds, csIndex + 1); - CustomSounds[csIndex].Filename := Filename; - CustomSounds[csIndex].Stream := playbackStream; - - result := playbackStream; + result := Load(Filename); end; -function TAudioPlayback_Portaudio.LoadCustomSound(const Filename: String): Cardinal; -var - S: TAudioPlaybackStream; - I: Integer; - F: String; +procedure TAudioPlayback_Portaudio.PlaySound(stream: TAudioPlaybackStream); begin - //Search for Sound in already loaded Sounds - F := UpperCase(SoundPath + FileName); - For I := 0 to High(CustomSounds) do - begin - if (UpperCase(CustomSounds[I].Filename) = F) then - begin - Result := I; - Exit; - end; - end; - - S := Load(SoundPath + Filename); - if (S <> nil) then - Result := High(CustomSounds) - else - Result := 0; + if assigned(stream) then + stream.Play(); end; -procedure TAudioPlayback_Portaudio.PlayCustomSound(const Index: Cardinal ); +procedure TAudioPlayback_Portaudio.StopSound(stream: TAudioPlaybackStream); begin - if (Index <= High(CustomSounds)) then - CustomSounds[Index].Stream.Play(); + if assigned(stream) then + stream.Stop(); end; - initialization singleton_AudioPlaybackPortaudio := TAudioPlayback_Portaudio.create(); AudioManager.add( singleton_AudioPlaybackPortaudio ); |