2002-11-19 20:09:45 +00:00
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FFmpeg README
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-------------
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2001-07-22 14:37:44 +00:00
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2002-11-19 20:09:45 +00:00
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1) Documentation
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2001-07-22 14:37:44 +00:00
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----------------
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2002-11-19 20:09:45 +00:00
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* Read the documentation in the doc/ directory.
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2001-07-22 14:37:44 +00:00
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2002-11-19 20:09:45 +00:00
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2) Licensing
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2001-07-22 14:37:44 +00:00
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------------
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2007-08-13 22:17:29 +00:00
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* Read the file COPYING.LGPL. FFmpeg and the associated libraries EXCEPT
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2009-03-25 10:28:01 +00:00
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for libpostproc are licensed under the GNU Lesser General Public License
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version 2.1 or later.
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2003-04-16 22:43:26 +00:00
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2009-03-25 10:28:01 +00:00
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* libpostproc is distributed under the GNU General Public License version 2
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or later, see the file COPYING.GPL for details. Its compilation and use in
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FFmpeg is optional.
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2009-02-24 14:53:46 +00:00
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* libswscale contains some optional processor-specific optimizations that are
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2009-03-25 10:28:01 +00:00
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distributed under the GNU General Public License version 2 or later.
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2007-09-09 09:36:32 +00:00
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2009-02-23 01:36:22 +00:00
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* The files libavcodec/x86/idct_mmx.c, libavcodec/x86/h264_deblock_sse2.asm
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and libavcodec/x86/h264_idct_sse2.asm are distributed under the GNU General
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2009-03-25 10:28:01 +00:00
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Public License version 2 or later. They are strictly optimizations and
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their use is optional.
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2008-02-21 15:48:58 +00:00
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2008-09-06 16:14:20 +00:00
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* The file libavcodec/ac3dec.c is distributed under the GNU General Public
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2009-03-25 10:28:01 +00:00
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License version 2 or later. In order for (E-)AC-3 decoding to work you
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need to enable GPL components.
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2008-09-06 16:14:20 +00:00
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2008-03-08 19:24:06 +00:00
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* The file libavdevice/x11grab.c is distributed under the GNU General
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2009-03-25 10:28:01 +00:00
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Public License version 2 or later. X11 grabbing is optional.
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2008-03-08 19:24:06 +00:00
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2007-09-09 09:36:32 +00:00
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* The files libavcodec/jfdctfst.c, libavcodec/jfdctint.c, libavcodec/jrevdct.c
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are taken from libjpeg, see the top of the files for licensing details.
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* The file libavcodec/fdctref.c is copyrighted by the MPEG Software Simulation
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Group with all rights reserved. It is only used to create a DCT test program
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and not compiled into libavcodec.
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2009-02-23 01:36:22 +00:00
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* Some external libraries are under GPL. If you wish to use them with FFmpeg,
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you have to configure FFmpeg as GPL as well.
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