Bug 1227408 - Ardour: unable to export in fast mode
Summary: Ardour: unable to export in fast mode
Status: NEW
Alias: None
Product: openSUSE Tumbleweed
Classification: openSUSE
Component: Sound (show other bugs)
Version: Current
Hardware: Other openSUSE Tumbleweed
: P5 - None : Normal (vote)
Target Milestone: ---
Assignee: Takashi Iwai
QA Contact: E-mail List
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Reported: 2024-07-04 16:05 UTC by Ferdinando Vivacqua
Modified: 2024-07-19 19:24 UTC (History)
3 users (show)

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alarrosa: needinfo?
alarrosa: needinfo? (ferdinando.vivacqua)

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Description Ferdinando Vivacqua 2024-07-04 16:05:59 UTC 
Using Ardour, I'm not able to export any session anymore in any format, because the output is very distorted, even with all plugin disabled. It works properly in the real-time mode. Probably related to recent update of pipewire stack
Comment 1 Edgar Aichinger 2024-07-05 09:23:19 UTC 
I can confirm the bug, I investigated a bit more and can add a few observations/comments:

It only happens when exporting ranges or whole sessions, exporting regions via context menu works without issue.
It only happens with pipewire-jack, using Ardour's jack backend. Switching to ALSA backend, also after replacing pipewire-jack by jack/libjack v1.9.22 the exported file sounds fine. 

The pipewire packages I was using are from MM:Libs (I assume the ones in OSS repo will show the same).

To me it seems this is an upstream pipewire bug.
Comment 2 Takashi Iwai 2024-07-05 11:12:07 UTC 
Let's add the package maintainer to Cc.
Comment 3 Takashi Iwai 2024-07-09 13:00:37 UTC 
Which pipewire package / versions do show the problem?
Comment 4 Ferdinando Vivacqua 2024-07-09 17:12:12 UTC 
(In reply to Takashi Iwai from comment #3)
> Which pipewire package / versions do show the problem?

pipewire 1.2.0-1.1
Comment 5 Antonio Larrosa 2024-07-19 09:19:22 UTC 
The changelog for pipewire 1.2.1 mentions a fix for a regression in ardour export. I've submitted it to Tumbleweed a couple of days ago. Ferdinando, can you test if upgrading to 1.2.1 fixes the issue for you?
Comment 6 Ferdinando Vivacqua 2024-07-19 18:07:32 UTC 
(In reply to Antonio Larrosa from comment #5)
> The changelog for pipewire 1.2.1 mentions a fix for a regression in ardour
> export. I've submitted it to Tumbleweed a couple of days ago. Ferdinando,
> can you test if upgrading to 1.2.1 fixes the issue for you?

Hi Antonio! At the moment in the 1.2.1 version is still available to update: I will let you know!
Thank you!
Comment 7 Ferdinando Vivacqua 2024-07-19 19:14:11 UTC 
(In reply to Ferdinando Vivacqua from comment #6)
> (In reply to Antonio Larrosa from comment #5)
> > The changelog for pipewire 1.2.1 mentions a fix for a regression in ardour
> > export. I've submitted it to Tumbleweed a couple of days ago. Ferdinando,
> > can you test if upgrading to 1.2.1 fixes the issue for you?
> 
> Hi Antonio! At the moment in the 1.2.1 version is still available to update:
> I will let you know!
> Thank you!

Sorry, I mean the 1.2.1 version is not available yet.
Comment 8 Antonio Larrosa 2024-07-19 19:24:29 UTC 
Ah, you're right, sorry. I saw it was approved two days ago, but there hasn't been any new TW release yet since then. It will be available in the next release. Let's hope that happens soon.