[LAU] paulstretch - was Linux programs for creatiing/manipulating sound effects

[Robin Gareus]

On 02/13/2011 03:27 PM, Philipp Überbacher wrote:
> Excerpts from Robin Gareus's message of 2011-02-13 13:12:43 +0100:
>> On 02/13/2011 11:31 AM, Philipp Überbacher wrote:
>>> Excerpts from Robin Gareus's message of 2011-02-11 16:56:42 +0100:
>>>> On 02/10/2011 12:36 PM, Mike Cookson wrote:
>>>>> Cool, thanks. Btw before jack was available, i some files could
>>>>> not be played back due to mismatch of some file format details.
>>>>
>>>> Yesterday paulstretch 2.1 came out: 
>>>> http://hypermammut.sourceforge.net/paulstretch/
>>>
>>> Can you tell me how to get sound out of it? Version 2.1 (the 'about'
>>> says 2.2). I tried with and without jack, mp3, ogg and wav files,
>>> without any success. I never see jack ports appear. With wav files I
>>> get the output: AInputS::seek 0 0 54110260 - possible audiofile bug
>>> (it always seeks to the end of the file)
>>>
>>> Portaudio seems to work, tested with audacity. Any ideas?
>>
>> Did you compile it with './compile_linux_fftw_jack.sh' ?
>>
>> I start JACK, start paulstretch, load some mp3 and just press play.
>> works just fine with .wav files too and the samplerate does not need to
>> match JACK's samplerate..
>>
>> FWIW: you can set the environment variable JACK_AUTOCONNECT
>> to decide the port-connection behaviour. The default is
>> 'system:playback_' - setting it to "DISABLE" will leave the output ports
>> unconnected.
>>
>> robin
> 
> Thanks Robin, it was compiled with './compile_linux_fftw.sh'. I don't
> know why I didn't get audio with alsa either

because paulstretch does not have an ALSA output.

portaudio to ALSA (or pulseaudio or JACK) should work though, but may
require additional setup. Here (debian/squeeze) it (kind of [1]) works
with alsa-plug, but I prefer the native JACK port of course..

> , but it works fine now with
> jack, thanks.
> Paulstretch is quite crazy, I like it :)

yeah, it's amazing.

robin

[1] there's no resampling and sometimes choppy playback with portaudio.


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Robin Gareus
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