External libraries

MythTV imports the following external code:

Library Name	Upstream Library Location	Last imported revision (upstream)	Last imported date	Commit	Comments (Color for unmodified)
external/FFmpeg	https://ffmpeg.org/download.html#get-sources GitHub Mirror	release/4.4	2021-10-31	see our mirror	modified
nv-codec-headers	https://git.videolan.org/?p=ffmpeg/nv-codec-headers.git GitHub Mirror	?	2020-07-19	[16ff6ee8]	for building ffmpeg with support for NVIDIA's hardware codecs.
libbluray	https://code.videolan.org/videolan/libbluray	1.2.1+ (git a798b053)	2020-12-30	[d2422df0]	needed because CentOS 8 does not have a development package using system library if >=0.9.3
libdvdnav libdvdread	https://code.videolan.org/videolan/libdvdnav https://code.videolan.org/videolan/libdvdread	6.0.0	2018-05-20	[5e886596] [85d8daf2]	modified
libudfread	https://code.videolan.org/videolan/libudfread	1.1.1	2020-12-30	[17c2cd26]	Needed because not all platforms have packages for this.
libmpeg2	http://libmpeg2.sourceforge.net/ https://code.videolan.org/videolan/libmpeg2	Unknown	01/21/05	[2357c6a7]	Used only in lossless transcoder; See #399 and [28cd7a1c]
FreeFont fonts	http://savannah.gnu.org/projects/freefont/	20090104	07/20/10	[aff5f8eb]
lirc_client	http://www.lirc.org/	0.8.6	07/23/10	[21f80da4]	in libmyhtui/devices
replex	?	0.1.4	?	?	Marcus Metzler
QJsonWrapper	https://github.com/xhochy/qjson-qt5json-wrapper	?	?	?	from Qt4 to Qt5 transition
libexiv2	https://github.com/Exiv2/exiv2	449821cd5d	2020-03-13	[2807de0a]	see commit message
Goom	? https://sourceforge.net/projects/goom/				in libmythtv/visualisations/goom

Dependencies