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output_init: added option to disable the hardware mixer

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Added the per-device option "mixer_enabled" which allows users to
disable the hardware mixer of an audio output.
This commit is contained in:
Max Kellermann 2009-04-28 20:33:06 +02:00
parent 61b0835512
commit e710037760
2 changed files with 13 additions and 1 deletions
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11
doc/user.xml
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@ -285,6 +285,17 @@ cd mpd-0.14.2</programlisting>
enabled.
</entry>
</row>
<row>
<entry>
<varname>mixer_enabled</varname>
<parameter>yes|no</parameter>
</entry>
<entry>
Specifies whether the hardware mixer of this audio
output should be used. By default, all hardware
mixers are enabled if available.
</entry>
</row>
</tbody>
</tgroup>
</informaltable>

3
src/output_init.c
View File

@ -135,7 +135,8 @@ audio_output_init(struct audio_output *ao, const struct config_param *param,
if (ao->data == NULL)
return false;
if (plugin->mixer_plugin != NULL)
if (plugin->mixer_plugin != NULL &&
config_get_block_bool(param, "mixer_enabled", true))
ao->mixer = mixer_new(plugin->mixer_plugin, param);
else
ao->mixer = NULL;