rsc3/doc-schelp/HelpSource/Classes/BufFrames.scrbl

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2022-08-24 13:53:18 +00:00
#lang scribble/manual
@(require (for-label racket))
@title{BufFrames}
Current number of frames allocated in the buffer.@section{related}
Classes/BufChannels, Classes/BufDur, Classes/BufRateScale, Classes/BufSampleRate, Classes/BufSamples
@section{categories}
UGens>Buffer>Info
@section{description}
Get the current number of allocated frames.
@section{classmethods}
@section{method}
kr, ir
@section{argument}
bufnum
Buffer index.
@section{returns}
the current number of allocated frames.
@section{discussion}
@section{warning}
The
@racketblock[.ir:: method is not the safest choice.
Since a buffer can be reallocated at any time, using
]
@racketblock[.ir:: will not track the changes.
::
]
@section{Examples}
@racketblock[
b = Buffer.read(s, Platform.resourceDir +/+ "sounds/a11wlk01.wav");
// indexing with a phasor
{ BufRd.ar(1, b, Phasor.ar(0, BufRateScale.kr(b), 0, BufFrames.kr(b))) }.play;
// indexing by hand
{ BufRd.ar(1, b, K2A.ar(MouseX.kr(0, BufFrames.kr(b)))) }.play;
b.free
::
]