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

[Andreas Hartmann]

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.

Andreas
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