63 lines
1.3 KiB
Text
63 lines
1.3 KiB
Text
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#lang scribble/manual
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@(require (for-label racket))
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@title{BufSamples}
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Current number of samples in buffer.@section{related}
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Classes/BufChannels, Classes/BufDur, Classes/BufFrames, Classes/BufRateScale, Classes/BufSampleRate
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@section{categories}
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UGens>Buffer>Info
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@section{description}
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Returns the current number of allocated samples. A sample is not the same as a frame (compare with link::Classes/BufFrames:: ); a frame includes the samples in each channel of the buffer. Only for a mono buffer are samples the same as frames.
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@racketblock[
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samples = frames * numChannels
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::
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]
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@section{classmethods}
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@section{method}
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kr, ir
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@section{argument}
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bufnum
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Buffer index.
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@section{discussion}
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@section{warning}
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The
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@racketblock[.ir:: method is not the safest choice.
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Since a buffer can be reallocated at any time, using
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]
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@racketblock[.ir:: will not track the changes.
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::
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]
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@section{examples}
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@racketblock[
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// example; this buffer is mono, so the number of samples matches the number of frames
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b = Buffer.read(s, Platform.resourceDir +/+ "sounds/a11wlk01.wav");
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// indexing with a phasor
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{ BufRd.ar(1, b, Phasor.ar(0, BufRateScale.kr(b), 0, BufSamples.kr(b))) }.play;
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// indexing by hand
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{ BufRd.ar(1, b, K2A.ar(MouseX.kr(0, BufSamples.kr(b)))) }.play;
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b.free;
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::
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]
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