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David Wagner edited this page Feb 3, 2015
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Welcome to the Alsa plugins for the parameter-framework wiki!
Audio HW codec vendors are using Alsa framework to write drivers for their sound card.
The Alsa framework allows them to expose:
- "Alsa mixer controls" to control the sound card parameters (Volumes, Switches, Processing, Interfaces...)
- "Alsa devices" the send/receive audio streams to/from a sound card
Alsa & TinyAlsa plugins have been developped to parameterize "Alsa mixer controls" and "Alsa devices" from the parameter-framework.
The Alsa plugin is based on alsa-lib which is standard user space library for most of the linux distributions.
Library:
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libalsa-subsystem.so
is used to handle alsa mixer controls and configure alsa devices through alsa-lib.
The tinyalsa plugin is based on tinyalsa project which is used in Android's user space.
Library:
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libtinyalsa-subsystem.so
is used to handle alsa mixer controls and configure alsa devices through libtinyalsa.
Check which plugin/core version couples are supported here