Index - NewAC

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P
	P16: PBuffer16
	pas, libwma1
	Pause, TAuOutput
	PauseRecord, TAudioTap
	Port, TWMStreamedOut
	Position, TAuInput
	Prepare, TDemoWaveOut
	Progress, TAuOutput
	Project Discussion
	Project Homepage
	Project Source
	Properties Global TACMConverter TAuConverter TAudioConverter TAudioMixer TAudioPass TAudioTap TAuFileIn TAuFileOut TAuInput TAuOutput TAuStreamedInput TAVIIn TCDIn TDitherer TDXAudioIn TDXAudioOut TFLACIn TFLACOut TInputItem TInputList TMACIn TMACOut TMemoryIn TMP3Out TMPCIn TMPCOut TMSResampler TNormalizer TRateConverter TRealTimeMixer TResampler TStreamIn TStreamOut TTTAIn TTTAOut TVoiceFilter TVorbisIn TVorbisOut TWaveIn TWaveOut TWMADualPassOut TWMAOut TWMATap TWMIn TWMStreamedIn TWMStreamedOut TWVIn TWVOut
	ProxyHost, TWMStreamedIn
	ProxyPort, TWMStreamedIn
	ProxyProtocol, TWMStreamedIn
	PS16: PStereoBuffer16
Q
	QEdit.h
	Quality TMPCOut TResampler
R
	ReadRIFFHeader, TDemoWaveOut
	RecTime, TDXAudioIn
	Regbag.h
	RepeatCount, TMemoryIn
	ReportSize, TAVIIn
	Resume, TAuOutput
	ResumeRecord, TAudioTap
	Rip’n’Listen Demo
	Ripping a CD to OGG
	rqBest
	rqFastest
	rqMedium
	Run, TAuOutput
S
	SampleRate, TAuInput
	SamplesToRead, TDXAudioIn
	Seek, TAuStreamedInput
	Seekable TAuStreamedInput TStreamIn
	SeekInternal TAuStreamedInput TDemoWaveIn
	Serial, TVorbisOut
	SetEndTime, TAuFileIn
	SetStartTime, TAuFileIn
	Size, TAuInput
	Snippets
	StartPos, TCDIn
	StartRecord, TAudioTap
	StartSample, TAuStreamedInput
	StartTrack, TCDIn
	Status TAudioTap TAuOutput TCDIn
	Stop, TAuOutput
	Stopping and Pausing
	StopRecord, TAudioTap
	StoreMode, TNormalizer
	Stream, TAuStreamedInput
	StretchFactor, TWMStreamedIn
	Supporting a New Audio Format

pointer to a buffer for mono data.

This Delphi unit provides a simple C-style interface for reading and writing WMA files.

procedure Pause

Pauses the output.

procedure PauseRecord

Call this method to pause recording.

The number of port on which the component will listen for incoming connections.

The current reading position in the input stream in bytes.

procedure Prepare; override

Performs all the steps required to initialize output.

Read Progress to get the output progress in percents.

Discussion and support can be found on the Google Group newac-users at http://groups.google.com/group/newac-users.

You can find the official homepage of NewAC at http://www.symmetrica.net/newac.

The source code for NewAC is now hosted on Google Code http://code.google.com/p/newac/.

If your application requires a proxy to connect to Internet, use this property to set the proxy host name.

If your application requires a proxy to connect to Internet, use this property to set the proxy port value.

If your application requires a proxy to connect to Internet, use this property to set the proxy protocol.

pointer to a buffer for stereo data

The output file quality.

Use this property to set the trade-off between resampling quality and speed.

function ReadRIFFHeader( Stream : TStream;
var AudioInfo : TAudioInfo ) : Boolean

A helper function that parses wav file header and gets audio data parameters.

Use this property to set the recording duration (in seconds).

Use this property to tell the component how many times the contents of the DataBuffer should be replayed before the component reports the end of data.

Due to internal limitations the component cannot report the exact audio stream size when dealing with some compression formats.

procedure Resume

Resumes previously paused output.

procedure ResumeRecord

Call this method to resume paused recording.

This demo ripper can save ripped data into several formats and provides the option to listen to the audio as it is being ripped.

Suppose you want your application to convert data from audio CD tracks to Ogg Vorbis audio compression format.

High quality, but slowest resampling time.

Lowest quality, but still not too bad.

Medium quality

procedure Run

After an input component has been assigned, call Run to start the audio processing chain.

The input stream sample rate in Herz.

Use this property to set the number of samples (frames) the component should record.

function Seek( SampleNum : Int64 ) : Boolean

This method allows you to change the current playing position in the the input component.

This read only property indicates when the input is seekable.

By default the TSreamIn component treats the stream it works with as non- seekable.

function SeekInternal( var SampleNum : Int64 ) : Boolean; virtual; abstract

This abstract method should be overridden with an implementation dependong on whether your input component is seekable or not.

function SeekInternal( var SampleNum : Int64 ) : Boolean; override

Performs the file seeking.

Set the serial number of the logical bitstream in the Vorbis file.

function SetEndTime( Minutes,
Seconds : LongWord ) : Boolean

This function is a wrapper around EndSample property, provided for convenience.

function SetStartTime( Minutes,
Seconds : LongWord ) : Boolean

This function is a wrapper around StartSample property, provided for convenience.

A read only property which returns input data size in bytes.

Bits of code to do things related to NewAC.

Set this property to specify the starting position for data transfer in a TCDPosition format.

procedure StartRecord

Call this method to start recording audio data passing through an audio tap.

Set this property’s value to the sample (frame) you want the input to start playing from.

Set StartTrack to specify the starting position for data transfer at the beginning of the track identified by number.

Read this property to get the component status.

This read only property indicates the output component’s current status.

Read Status to get a TCDStatus about the drive.

procedure Stop( Async : Boolean = True )

Stops the busy component or does nothing if the component is idle.

You can stop a playing chain by calling an output component’s Stop method.

procedure StopRecord

Call this method to stop recording.

TNormalizer needs a preprocessing data stage.

Use this property to set the input data stream for the input component.

Use this property to change the speed at with content is delivered to the component.

Writing new components for NewAC is quite easy.