[PD-dev] [ pure-data-Patches-3065109 ] [bugfix] for crasher bug when setting samplerate in alsa

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Patches item #3065109, was opened at 2010-09-13 08:58
Message generated for change (Comment added) made by sf-robot
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Category: puredata
Group: bugfix
>Status: Closed
Resolution: Accepted
Priority: 7
Private: No
Submitted By: IOhannes m zmlnig (zmoelnig)
Assigned to: Miller Puckette (millerpuckette)
Summary: [bugfix] for crasher bug when setting samplerate in alsa

Initial Comment:
on my system (with an "nvidia CK804" onboard soundcard), i get immediate crashes
if i select the plughw device (in Pd this shows up as "NVidia CK808 (plug-in)")
with 44100Hz (the device only supports 48kHz) [1]

with the help of the alsa-developpers i hunted the problem down;
it can be easily worked around if Pd was not using
snd_pcm_hw_params_set_rate_min() (without setting a rate_max()) but
snd_pcm_hw_params_set_rate_near() instead [2].

this patch does this (it's a one-liner)
so now i can select all devices that show up in the media
menu without having to fear a crash. (since it's a crasher, i raise the priority)


[1] i usually don't select plughw devices, so i haven't cared so much until now. but it's really annoying if you simply select a configuration in the preferences to make Pd crash)

[2] when alsa-devs were finally able to reproduce my problem, they simply asked "but why don't you just use rate_near()?"

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>Comment By: SourceForge Robot (sf-robot)
Date: 2011-01-23 05:20

Message:
This Tracker item was closed automatically by the system. It was
previously set to a Pending status, and the original submitter
did not respond within 14 days (the time period specified by
the administrator of this Tracker).

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Comment By: Miller Puckette (millerpuckette)
Date: 2011-01-09 04:33

Message:
applied for 0.43

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You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=478072&aid=3065109&group_id=55736