Philips 4101 series User Manual page 47

libexpat
Expat is an XML parser library written in C.
It is a stream-oriented parser in which an application
registers handlers for things the parser might find in
the XML document (like start tags).
Source: http://expat.sourceforge.net/
libdrm
libdrm provides core library routines for the X Window
System to directly interface with video hardware
using the Linux kernel's Direct Rendering Manager
(DRM).
Source: http://dri.freedesktop.org/libdrm/
FFMpeg (0.6)
A complete, cross-platform solution to record,
convert and stream audio and video.
Source: www.ffmpeg.org
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