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.\" Automatically generated by Pandoc 1.19.2.4
.\"
.TH "al_set_mixer_postprocess_callback" "3" "" "Allegro reference manual" ""
.hy
.SH NAME
.PP
al_set_mixer_postprocess_callback \- Allegro 5 API
.SH SYNOPSIS
.IP
.nf
\f[C]
#include\ <allegro5/allegro_audio.h>
bool\ al_set_mixer_postprocess_callback(ALLEGRO_MIXER\ *mixer,
\ \ \ void\ (*pp_callback)(void\ *buf,\ unsigned\ int\ samples,\ void\ *data),
\ \ \ void\ *pp_callback_userdata)
\f[]
.fi
.SH DESCRIPTION
.PP
Sets a post\-processing filter function that\[aq]s called after the
attached streams have been mixed.
The buffer\[aq]s format will be whatever the mixer was created with.
The sample count and user\-data pointer is also passed.
.RS
.PP
\f[I]Note:\f[] The callback is called from a dedicated audio thread.
.RE
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