openframeworks / openframeworks/openFrameworks
ALSA can't be shared between OF with the ofxPd addon and Pure Data
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- Dominant language
- C++
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Description
Trying to use an OF app with ofxPd alongside Pure Data, I realised that only one of the two apps (OF or Pd, actually the frst one that launches) can use the ALSA audio server. The app that launches second can't use it as ALSA reports that the device is busy.
This doesn't happen with the Jack server.
This is not directly OF related, and I first opened an issue on ofxPd GitHub repo, but since this was an issue that had to do with ALSA and not the actual OF addon, the developer prompted me to open an issue here.
This happens with OF 0.11.2 on Ubuntu Studio 22.04.
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reproducing the report with openFrameworks 0.11.2, the ofxPd addon, Pure Data, ALSA, and Ubuntu Studio 22.04. Compare the behavior with the Jack server and determine whether the issue belongs in openFrameworks or the addon; done requires a confirmed scope and a documented resolution path.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- cpp, linux
- Domain
- audio-video-rtc, operating-systems
- Issue type
- Bug
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 20/100