cannot set latency (latency combo box empty)

[Sandor Ivicsics]

I can't set the latency, because the combobox is empty.
OS: Windows XP SP3
CPU: AMD Turion 64
Soundcard: Audio2DJ
Videocard: ATI Radeon Xpress 1150

At the first run the combobox was not empty. I tried to change the value and clicked apply and/or ok. Next time, when i opened the Preferences dialogbox, the list was empty. (And it is still empty.)

[Sandor Ivicsics (sandor-ivicsics)]

Mixxx 1.9.0_beta

[RJ Skerry-Ryan (rryan)]

I've seen this too. A workaround is to change the samplerate. This triggers an update of the Latency combo-box.

[William Good (bkgood)]

I'm supposed to be on mixxx hiatus for exams but a possible cause/solution to this bug occurred to me when I saw this bugmail. A potential fix is in lp:mixxx/1.9, no promises as to its effectiveness though as I have yet to reproduce. I think this may be win or qt/win specific. RJ, did your friend who saw this see it on Windows?

tl;dr is that if the sample rate the prefs load from the config is the same as the currently selected sample rate, the latencies aren't filled. This normally isn't a problem because the latency combo box population persists across openings and closings of the pref dialog but apparently this may only be true on Linux (or Linux+Max, or... but some combination not including Windows).

If no one can confirm this fix in the meantime I will try to repro and test the fix in win32 after exams.

[Sean M. Pappalardo (pegasus-renegadetech)]

I saw this problem on Debian Linux AMD64 also, for the record. I haven't tested your possible fix yet. (To reproduce, just delete your config file.)

[William Good (bkgood)]

This still doesn't break anything for me (pre-fix).

On Mon, Dec 13, 2010 at 1:38 PM, Sean M. Pappalardo
<email address hidden> wrote:
> I saw this problem on Debian Linux AMD64 also, for the record. I haven't
> tested your possible fix yet. (To reproduce, just delete your config
> file.)
>
> --
> You received this bug notification because you are a member of Mixxx
> Development Team, which is subscribed to Mixxx.
> https://bugs.launchpad.net/bugs/689373
>
> Title:
>  cannot set latency
>
> Status in Mixxx:
>  Fix Committed
>
> Bug description:
>  I can't set the latency, because the combobox is empty.
> OS: Windows XP SP3
> CPU: AMD Turion 64
> Soundcard: Audio2DJ
> Videocard: ATI Radeon Xpress 1150
>
> At the first run the combobox was not empty. I tried to change the value and clicked apply and/or ok. Next time, when i opened the Preferences dialogbox, the list was empty. (And it is still empty.)
>
>
>

[Sean M. Pappalardo (pegasus-renegadetech)]

Your fix works for me, though I hadn't deleted my config file before when it was happening. How does your code handle conflicts between old sound device settings in mixxx.cfg and ones in soundconfig.xml?

[William Good (bkgood)]

It doesn't, it doesn't read anything from the global ConfigObject<ConfigValue>
passed around (it does set the sample rate because there are like 2 places in
mixxx that look for a sample rate there and I haven't gotten to stripping that
out yet).

On Tue, Dec 14, 2010 at 2:41 AM, Sean M. Pappalardo
<email address hidden> wrote:
> Your fix works for me, though I hadn't deleted my config file before
> when it was happening. How does your code handle conflicts between old
> sound device settings in mixxx.cfg and ones in soundconfig.xml?
>

[Swiftb0y (swiftb0y)]

Mixxx now uses GitHub for bug tracking. This bug has been migrated to:
https://github.com/mixxxdj/mixxx/issues/5715