[alsa-devel] Bug: LADSPA implementation - no up/downmix handling

Takashi Iwai tiwai at suse.de
Wed Sep 23 16:26:58 CEST 2015


On Sat, 12 Sep 2015 22:10:40 +0200,
Andreas Hartmann wrote:
> 
> Hi,
> 
> Using the surround_encoder of the swh-plugins I noticed, that the alsa 
> implementation only assumes an equal number of in- and output channels for 
> ladspa plugins. This occurs from Line 752 onwards in pcm_ladspa.c and leads to 
> a Segfault shortly after.
> There needs to be a check and correct handling for up/downmix scenarios.

Could you give the back trace?  Or at best submit a fix patch?


thanks,

Takashi


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