[chuck-users] Looping Sample Playback

[Philip Davidson]

Try the WaveLoop (STK) class- it's built with a wavetable oscillator in 
mind, but will play a file of arbitrary length.

http://chuck.cs.princeton.edu/doc/program/ugen_full.html#WaveLoop


Adam Tindale wrote:
> Hi,
> 
> This is part of the wonder of ChucK, you can define this yourself. Most 
> often .pos is given the 0 argument to start from the beginning of the 
> file. You can give it any int that will refer to an index in your sample.
> 
> If you know the startpoint and endpoint of the looping for each file 
> then you can put in a function like this and then call it for every 
> instance of the sample. Then you can expand this to respond to noteons 
> and noteoffs and all those other musical things.
> 
> I hope this answers your question.
> 
> --art
> 
> fun void playsample(int startpoint, int endpoint, string filename){
>     sndbuf s => dac;
> 
>     filename => s.read;
> 
>     0 => s.pos;
> 
>     endpoint::samp => now;
> 
>     while(true){
>         startpoint => s.pos;
>         (endpoint - startpoint)::samp => now;
>     }
> }
> 
> 
> 
> On 27-Feb-06, at 1:17 PM, Mike McGonagle wrote:
> 
>> Hello all,
>>
>> I was wondering if there is a ugen that will handle arbitrary looping
>> points? I have some samples for various instruments (ie piano,
>> mellotron strings, etc), and would like to hook them up in ChucK.
>> Basically, if the sndbuf ugen is the starting point for this, then do
>> I need to write my own "looping" function to ensure that it gets back
>> to the proper points within the sample.
>>
>> Or has someone already implemented this functionality and would be
>> interested in "sharing"?
>>
>>
>> Thanks,
>>
>> Mike
>> _______________________________________________
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>> chuck-users at lists.cs.princeton.edu
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> 
> 
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