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output/alsa: remove option "use_mmap"

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MPD does not really take advantage of memory-mapped I/O by generating
data right into the ALSA buffer; using plain snd_pcm_mmap_writei() has
no advantage compared to snd_pcm_writei().  Let's kill this
non-feature.
This commit is contained in:
Max Kellermann
2016-02-28 09:30:59 +01:00
parent 111528e51c
commit 8ffcdb73e8
4 changed files with 9 additions and 56 deletions
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11
doc/user.xml
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@@ -2482,17 +2482,6 @@ buffer_size: 16384</programlisting>
...).
</entry>
</row>
<row>
<entry>
<varname>use_mmap</varname>
<parameter>yes|no</parameter>
</entry>
<entry>
If set to <parameter>yes</parameter>, then
<filename>libasound</filename> will try to use
memory mapped I/O.
</entry>
</row>
<row>
<entry>
<varname>buffer_time</varname>