From c1d1fa060bb87972647662e7cdfa75a1b43d9a58 Mon Sep 17 00:00:00 2001 From: k-m_schindler Date: Sun, 7 Feb 2010 00:29:16 +0000 Subject: small edits git-svn-id: svn://svn.code.sf.net/p/ultrastardx/svn/trunk@2102 b956fd51-792f-4845-bead-9b4dfca2ff2c --- src/media/UAudioPlayback_SoftMixer.pas | 38 ++++++++++++++++------------------ 1 file changed, 18 insertions(+), 20 deletions(-) diff --git a/src/media/UAudioPlayback_SoftMixer.pas b/src/media/UAudioPlayback_SoftMixer.pas index c87e461d..203536d6 100644 --- a/src/media/UAudioPlayback_SoftMixer.pas +++ b/src/media/UAudioPlayback_SoftMixer.pas @@ -58,7 +58,7 @@ type SourceBufferCount: integer; // number of available bytes in SourceBuffer Converter: TAudioConverter; - Status: TStreamStatus; + Status: TStreamStatus; InternalLock: PSDL_Mutex; SoundEffects: TList; fVolume: single; @@ -102,7 +102,7 @@ type function ReadData(Buffer: PByteArray; BufferSize: integer): integer; - function GetPCMData(var Data: TPCMData): Cardinal; override; + function GetPCMData(var Data: TPCMData): cardinal; override; procedure GetFFTData(var Data: TFFTData); override; procedure AddSoundEffect(Effect: TSoundEffect); override; @@ -148,7 +148,7 @@ type function CreatePlaybackStream(): TAudioPlaybackStream; override; public - function GetName: String; override; abstract; + function GetName: string; override; abstract; function InitializePlayback(): boolean; override; function FinalizePlayback: boolean; override; @@ -159,7 +159,7 @@ type function GetMixer(): TAudioMixerStream; {$IFDEF HasInline}inline;{$ENDIF} function GetAudioFormatInfo(): TAudioFormatInfo; - procedure MixBuffers(DstBuffer, SrcBuffer: PByteArray; Size: Cardinal; Volume: Single); virtual; + procedure MixBuffers(DstBuffer, SrcBuffer: PByteArray; Size: cardinal; Volume: single); virtual; end; type @@ -377,11 +377,11 @@ begin Close(); - if (not assigned(SourceStream)) then + if not assigned(SourceStream) then Exit; Self.SourceStream := SourceStream; - if (not InitFormatConversion()) then + if not InitFormatConversion() then begin // reset decode-stream so it will not be freed on destruction Self.SourceStream := nil; @@ -443,8 +443,7 @@ var Mixer: TAudioMixerStream; begin // only paused streams are not flushed - if (Status = ssPaused) then - NeedsRewind := false; + NeedsRewind := not (Status = ssPaused); // rewind if necessary. Cases that require no rewind are: // - stream was created and never played @@ -750,7 +749,7 @@ begin Result := BufferSize - BytesNeeded; end; -function TGenericPlaybackStream.GetPCMData(var Data: TPCMData): Cardinal; +function TGenericPlaybackStream.GetPCMData(var Data: TPCMData): cardinal; var ByteCount: integer; begin @@ -790,7 +789,7 @@ begin // only works with SInt16 and Float values at the moment AudioFormat := GetAudioFormatInfo(); - DataIn := AllocMem(FFTSize * SizeOf(Single)); + DataIn := AllocMem(FFTSize * SizeOf(single)); if (DataIn = nil) then Exit; @@ -872,8 +871,7 @@ begin LockSampleBuffer(); SourceStream.Position := Time; - if (Status = ssStopped) then - NeedsRewind := false; + NeedsRewind := not (Status = ssStopped); // do not use outdated data FlushBuffers(); @@ -885,7 +883,7 @@ end; function TGenericPlaybackStream.GetVolume(): single; var - FadeAmount: Single; + FadeAmount: single; begin LockSampleBuffer(); // adjust volume if fading is enabled @@ -1033,12 +1031,12 @@ begin //Log.LogStatus('InitializePlayback', 'UAudioPlayback_SoftMixer'); - if(not InitializeAudioPlaybackEngine()) then + if (not InitializeAudioPlaybackEngine()) then Exit; MixerStream := TAudioMixerStream.Create(Self); - if(not StartAudioPlaybackEngine()) then + if (not StartAudioPlaybackEngine()) then Exit; Result := true; @@ -1100,11 +1098,11 @@ begin MixerStream.Volume := Volume; end; -procedure TAudioPlayback_SoftMixer.MixBuffers(DstBuffer, SrcBuffer: PByteArray; Size: Cardinal; Volume: Single); +procedure TAudioPlayback_SoftMixer.MixBuffers(DstBuffer, SrcBuffer: PByteArray; Size: cardinal; Volume: single); var - SampleIndex: Cardinal; - SampleInt: Integer; - SampleFlt: Single; + SampleIndex: cardinal; + SampleInt: integer; + SampleFlt: single; begin SampleIndex := 0; case FormatInfo.Format of @@ -1141,7 +1139,7 @@ begin // assign result PSingle(@DstBuffer[SampleIndex])^ := SampleFlt; // increase index by one sample - Inc(SampleIndex, SizeOf(Single)); + Inc(SampleIndex, SizeOf(single)); end; end; else -- cgit v1.2.3