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82 lines
4.4 KiB
Plaintext
82 lines
4.4 KiB
Plaintext
Installer, default installation: The installer (Microsoft Windows
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and MacOSX) and the default installation (GNU/Linux) contain and
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install the minimal default installation. At install time or later,
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the downloading of optional components is also possible, but read on
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for certain legal cautions you might want to take. All downloads are
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from the freedesktop.org website, for registered/approved users only.
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Licensing of GStreamer: GStreamer minimal default installation only
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contains packages which are licensed under the GNU LGPL license v2.1.
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This license gives you the Freedom to use, modify, make copies of the
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software either in the original or in a modified form, provided that
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the software you redistribute is licensed under the same licensing
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terms. This only extends to the software itself and modified versions
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of it, but you are free to link the LGPL software as a library used by
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other software under whichever license. In other words, it is a weak
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copyleft license.
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Therefore, it is possible to use GStreamer to build applications that
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are then distributed under a different license, including a
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proprietary one, provided that reverse engineering is not prohibited
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for debugging modifications purposes. Only the pieces of GStreamer that
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are under the LGPL need to be kept under the LGPL, and the
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corresponding source code must be distributed along with the
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application (or an irrevocable offer to do so for at least three years
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from distribution). Please consult section 6 of the LGPL for further
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details as to what the corresponding source code must contain.
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Some portions of the minimal default installation may be under
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different licenses, which are both more liberal than the LGPL (they
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are less strict conditions for granting the license) and compatible
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with the LGPL. This is advised locally.
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Optional packages: There are two types of optional packages, which are
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under a different license or have other issues concerning
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patentability (or both).
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GPL code: Part of the optional packages are under the GNU GPL v2 or
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v3. This means that you cannot link the GPL software in a program
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unless the same program is also under the GPL, but you are invited to
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seek competent advice on how this works in your precise case and
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design choices. GPL is called “strong copyleft” because the
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condition to distributed under the same license has the largest
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possible scope and extends to all derivative works.
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Patents: Certain software, and in particular software that implements
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multimedia standard formats such as Mp3, MPEG 2 video and audio,
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h.264, MPEG 4 audio and video, AC3, etc, can have patent issues. In
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certain countries patents are granted on software and even
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software-only solution are by and large considered patentable and are
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patented (such as in the United States). In certain others, patents
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on pure software solutions are formally prohibited, but granted (this
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is the case of Europe), and in others again are neither allowed nor
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granted.
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It is up to you to make sure that in the countries where GStreamer is
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used, products are made using it and product are distributed, a
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license from the applicable patent holders is required or not.
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Receiving GStreamer – or links to other downloadable software –
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does not provide any license expressed or implied over these patents,
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except in very limited conditions where the license so provides. No
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representation is made.
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In certain cases, the optional packages are distributed only as source
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code. It is up the receiver to make sure that in the applicable
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circumstances compiling the same code for a given platform or
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distributing the object code is an act that infringes one or more
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patents.
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Software is as-is: All software and GStreamer is provided as-is,
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without any warranty whatsoever. The individual licenses have
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particular language disclaiming liability: we invite you to read all
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of them. Should you need a warranty on the fact that software works as
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intended or have any kind of indemnification, you have the option to
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subscribe a software maintenance agreement with a company or entity
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that is in that business. Fluendo and Collabora, as well as some other
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companies, provide software maintenance agreements under certain
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conditions, you are invited to contact them in order to receive
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further details and discuss of the commercial terms.
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We use cookies and HTTP logs for statistical analysis and on an
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aggregate basis only.
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