Linux kernel driver for the VLSI VS1053 and VS1063 audio dsp. It supports playback of aac, flac, mp3, ogg and wav files.
The driver is optimized for performance and uses pre-allocated queues and interrupt driven mechanism to ensure smooth playback at low resource usage.
Up to four devices were used in a testbed to play mp3 simultaneously at low cpu load (10-15% on 200Mhz Atmel ARM 9).
Source code is available in the SVN repository. It includes documentation that explains how to build a system and how to use the driver.
A document that describes how to build and use the driver is available in the file section: http://sourceforge.net/projects/vs10xx/files/VS10xx_Linux_Howto.pdf
More info on the VS10xx dsp can be found here: http://www.vsdsp-forum.com/phpbb/index.php
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