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lavd/pulse_audio_enc: add buffer size control options

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Add options to control the size of the PulseAudio buffer.

Signed-off-by: Lukasz Marek <lukasz.m.luki@gmail.com>
Signed-off-by: Stefano Sabatini <stefasab@gmail.com>
This commit is contained in:
Lukasz Marek
2013-11-24 02:35:33 +01:00
committed by Stefano Sabatini
parent a12b4bd107
commit 3aaa50a997
3 changed files with 31 additions and 1 deletions
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13
doc/outdevs.texi
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@@ -164,6 +164,19 @@ by default it is set to the specified output name.
Specify the device to use. Default device is used when not provided.
List of output devices can be obtained with command @command{pactl list sinks}.
@item buffer_size
@item buffer_duration
Control the size and duration of the PulseAudio buffer. A small buffer
gives more control, but requires more frequent updates.
@option{buffer_size} specifies size in bytes while
@option{buffer_duration} specifies duration in milliseconds.
When both options are provided then the highest value is used
(duration is recalculated to bytes using stream parameters). If they
are set to 0 (which is default), the device will use the default
PulseAudio duration value. By default PulseAudio set buffer duration
to around 2 seconds.
@end table
@subsection Examples