From 8fad36f79e14d58fd44ea5146943a2f8019d7a13 Mon Sep 17 00:00:00 2001 From: tobigun Date: Wed, 4 Feb 2009 17:45:38 +0000 Subject: - PChar replaced by PByteArray (for byte buffers) or PAnsiString (for zero-terminated strings) - TRingBuffer.Size()/.Available() added git-svn-id: svn://svn.code.sf.net/p/ultrastardx/svn/trunk@1584 b956fd51-792f-4845-bead-9b4dfca2ff2c --- src/base/UMusic.pas | 18 +++++++++--------- src/base/URecord.pas | 18 +++++++++--------- src/base/URingBuffer.pas | 24 ++++++++++++++++++------ 3 files changed, 36 insertions(+), 24 deletions(-) (limited to 'src/base') diff --git a/src/base/UMusic.pas b/src/base/UMusic.pas index 792d5e3f..10f789d7 100644 --- a/src/base/UMusic.pas +++ b/src/base/UMusic.pas @@ -35,6 +35,7 @@ interface uses UTime, + SysUtils, Classes; type @@ -212,12 +213,12 @@ type TSoundEffect = class public EngineData: Pointer; // can be used for engine-specific data - procedure Callback(Buffer: PChar; BufSize: integer); virtual; abstract; + procedure Callback(Buffer: PByteArray; BufSize: integer); virtual; abstract; end; TVoiceRemoval = class(TSoundEffect) public - procedure Callback(Buffer: PChar; BufSize: integer); override; + procedure Callback(Buffer: PByteArray; BufSize: integer); override; end; type @@ -262,7 +263,7 @@ type function IsEOF(): boolean; virtual; abstract; function IsError(): boolean; virtual; abstract; public - function ReadData(Buffer: PChar; BufferSize: integer): integer; virtual; abstract; + function ReadData(Buffer: PByteArray; BufferSize: integer): integer; virtual; abstract; property EOF: boolean read IsEOF; property Error: boolean read IsError; @@ -292,7 +293,7 @@ type function GetVolume(): single; virtual; abstract; procedure SetVolume(Volume: single); virtual; abstract; function Synchronize(BufferSize: integer; FormatInfo: TAudioFormatInfo): integer; - procedure FillBufferWithFrame(Buffer: PChar; BufferSize: integer; Frame: PChar; FrameSize: integer); + procedure FillBufferWithFrame(Buffer: PByteArray; BufferSize: integer; Frame: PByteArray; FrameSize: integer); public (** * Opens a SourceStream for playback. @@ -335,7 +336,7 @@ type function Open(ChannelMap: integer; FormatInfo: TAudioFormatInfo): boolean; virtual; procedure Close(); override; - procedure WriteData(Buffer: PChar; BufferSize: integer); virtual; abstract; + procedure WriteData(Buffer: PByteArray; BufferSize: integer); virtual; abstract; function GetAudioFormatInfo(): TAudioFormatInfo; override; function GetLength(): real; override; @@ -468,7 +469,7 @@ type * input-buffer bytes used. * Returns the number of bytes written to the output-buffer or -1 if an error occured. *) - function Convert(InputBuffer: PChar; OutputBuffer: PChar; var InputSize: integer): integer; virtual; abstract; + function Convert(InputBuffer: PByteArray; OutputBuffer: PByteArray; var InputSize: integer): integer; virtual; abstract; (** * Destination/Source size ratio @@ -561,7 +562,6 @@ procedure DumpMediaInterfaces(); implementation uses - sysutils, math, UIni, UMain, @@ -942,7 +942,7 @@ end; { TVoiceRemoval } -procedure TVoiceRemoval.Callback(Buffer: PChar; BufSize: integer); +procedure TVoiceRemoval.Callback(Buffer: PByteArray; BufSize: integer); var FrameIndex, FrameSize: integer; Value: integer; @@ -1180,7 +1180,7 @@ end; (* * Fills a buffer with copies of the given frame or with 0 if frame. *) -procedure TAudioPlaybackStream.FillBufferWithFrame(Buffer: PChar; BufferSize: integer; Frame: PChar; FrameSize: integer); +procedure TAudioPlaybackStream.FillBufferWithFrame(Buffer: PByteArray; BufferSize: integer; Frame: PByteArray; FrameSize: integer); var i: integer; FrameCopyCount: integer; diff --git a/src/base/URecord.pas b/src/base/URecord.pas index 132bafd5..00d82abb 100644 --- a/src/base/URecord.pas +++ b/src/base/URecord.pas @@ -36,8 +36,8 @@ interface uses Classes, Math, - SysUtils, sdl, + SysUtils, UCommon, UMusic, UIni; @@ -54,8 +54,8 @@ type function GetToneString: string; // converts a tone to its string represenatation; - procedure BoostBuffer(Buffer: PChar; Size: Cardinal); - procedure ProcessNewBuffer(Buffer: PChar; BufferSize: integer); + procedure BoostBuffer(Buffer: PByteArray; Size: Cardinal); + procedure ProcessNewBuffer(Buffer: PByteArray; BufferSize: integer); // we call it to analyze sound by checking Autocorrelation procedure AnalyzeByAutocorrelation; @@ -135,7 +135,7 @@ type procedure UpdateInputDeviceConfig; // handle microphone input - procedure HandleMicrophoneData(Buffer: PChar; Size: Cardinal; + procedure HandleMicrophoneData(Buffer: PByteArray; Size: Cardinal; InputDevice: TAudioInputDevice); end; @@ -268,7 +268,7 @@ begin UnlockAnalysisBuffer(); end; -procedure TCaptureBuffer.ProcessNewBuffer(Buffer: PChar; BufferSize: integer); +procedure TCaptureBuffer.ProcessNewBuffer(Buffer: PByteArray; BufferSize: integer); var BufferOffset: integer; SampleCount: integer; @@ -464,7 +464,7 @@ begin Result := '-'; end; -procedure TCaptureBuffer.BoostBuffer(Buffer: PChar; Size: Cardinal); +procedure TCaptureBuffer.BoostBuffer(Buffer: PByteArray; Size: Cardinal); var i: integer; Value: Longint; @@ -608,10 +608,10 @@ end; * Length - number of bytes in Buffer * Input - Soundcard-Input used for capture *} -procedure TAudioInputProcessor.HandleMicrophoneData(Buffer: PChar; Size: Cardinal; InputDevice: TAudioInputDevice); +procedure TAudioInputProcessor.HandleMicrophoneData(Buffer: PByteArray; Size: Cardinal; InputDevice: TAudioInputDevice); var - MultiChannelBuffer: PChar; // buffer handled as array of bytes (offset relative to channel) - SingleChannelBuffer: PChar; // temporary buffer for new samples per channel + MultiChannelBuffer: PByteArray; // buffer handled as array of bytes (offset relative to channel) + SingleChannelBuffer: PByteArray; // temporary buffer for new samples per channel SingleChannelBufferSize: integer; ChannelIndex: integer; CaptureChannel: TCaptureBuffer; diff --git a/src/base/URingBuffer.pas b/src/base/URingBuffer.pas index 515d0efb..684c13ee 100644 --- a/src/base/URingBuffer.pas +++ b/src/base/URingBuffer.pas @@ -39,7 +39,7 @@ uses type TRingBuffer = class private - RingBuffer: PChar; + RingBuffer: PByteArray; BufferCount: integer; BufferSize: integer; WritePos: integer; @@ -47,8 +47,10 @@ type public constructor Create(Size: integer); destructor Destroy; override; - function Read(Buffer: PChar; Count: integer): integer; - function Write(Buffer: PChar; Count: integer): integer; + function Read(Buffer: PByteArray; Count: integer): integer; + function Write(Buffer: PByteArray; Count: integer): integer; + function Size(): integer; + function Available(): integer; procedure Flush(); end; @@ -71,7 +73,7 @@ begin FreeMem(RingBuffer); end; -function TRingBuffer.Read(Buffer: PChar; Count: integer): integer; +function TRingBuffer.Read(Buffer: PByteArray; Count: integer): integer; var PartCount: integer; begin @@ -106,7 +108,7 @@ begin Result := Count; end; -function TRingBuffer.Write(Buffer: PChar; Count: integer): integer; +function TRingBuffer.Write(Buffer: PByteArray; Count: integer): integer; var PartCount: integer; begin @@ -143,6 +145,16 @@ begin Result := Count; end; +function TRingBuffer.Available(): integer; +begin + Result := BufferCount; +end; + +function TRingBuffer.Size(): integer; +begin + Result := BufferSize; +end; + procedure TRingBuffer.Flush(); begin ReadPos := 0; @@ -150,4 +162,4 @@ begin BufferCount := 0; end; -end. \ No newline at end of file +end. -- cgit v1.2.3