[LAD] Getting jack samplerate and buffersize with portaudio.

Victor Victor.Lazzarini at nuim.ie
Sat Mar 17 10:13:00 UTC 2012


I think it depends on whether you are happier with C or C++. I like portaudio and have used it quite a bit as a simple way to add realtime audio to C programs.

Victor

On 17 Mar 2012, at 01:12, Rafael Vega <email.rafa at gmail.com> wrote:

> Let me rephrase that:
> Is RTAudio any better than PortAudio for implementing JACK clients?
> Salud!
> 
> 
> On Fri 16 Mar 2012 07:47:26 PM COT, Rafael Vega wrote:
>> I want to learn an api that is as cross-platform as possible, ideally
>> that includes iOS and Android.That's why I started looking at Portaudio.
>> I started with JACK because i can use other jack apps to help debug my
>> code.
>> Do you guys have a better alternative for cross-platform devel?
>> Perhaps RTAudio?
>> Thanks for the advise!
>> 
>> 
>> 
>> OiOn Fri 16 Mar 2012 06:55:37 PM COT, Fons Adriaensen wrote:
>>> On Fri, Mar 16, 2012 at 05:38:10PM -0500, Rafael Vega wrote:
>>> 
>>>> Hello. I'm using portaudio19 to write an app that connects to jack (and
>>>> alsa) and I can't find anywhere in the portaudio api a way to ask jack
>>>> for the current samplerate and buffersize.
>>>> 
>>>> ¿Am I missing something obvious?
>>>> 
>>>> ¿Do I have to use the jack api to get these params and then be able to
>>>> use the portaudio api for starting a stream, implementing the audio
>>>> callback, etc?
>>> 
>>> Portaudio's Jack support is completely borked. If you do not
>>> intend to use its cross-platform features, please spare us
>>> the misery of yet another Linux app using it.
>>> 
>>> Just use Jack's native API. When you've got that working, and
>>> you want ALSA as well, use the zita-alsa-pcmi library. This
>>> will allow you to share 99% of your code for ALSA and Jack.
>>> 
>>> Ciao,
>>> 
>> 
>> 
> 
> 
> 
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