Revision c0b1bc8d LICENSE
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Libav:
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FFmpeg:
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------- |
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Most files in Libav are under the GNU Lesser General Public License version 2.1
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Most files in FFmpeg are under the GNU Lesser General Public License version 2.1
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or later (LGPL v2.1+). Read the file COPYING.LGPLv2.1 for details. Some other |
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files have MIT/X11/BSD-style licenses. In combination the LGPL v2.1+ applies to |
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Libav.
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FFmpeg.
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Some optional parts of Libav are licensed under the GNU General Public License
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Some optional parts of FFmpeg are licensed under the GNU General Public License
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version 2 or later (GPL v2+). See the file COPYING.GPLv2 for details. None of |
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these parts are used by default, you have to explicitly pass --enable-gpl to |
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configure to activate them. In this case, Libav's license changes to GPL v2+.
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configure to activate them. In this case, FFmpeg's license changes to GPL v2+.
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Specifically, the GPL parts of Libav are
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Specifically, the GPL parts of FFmpeg are
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- libpostproc |
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- optional x86 optimizations in the files |
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------------------- |
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Some external libraries, e.g. libx264, are under GPL and can be used in |
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conjunction with Libav. They require --enable-gpl to be passed to configure
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conjunction with FFmpeg. They require --enable-gpl to be passed to configure
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as well. |
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The OpenCORE external libraries are under the Apache License 2.0. That license |
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is incompatible with the LGPL v2.1 and the GPL v2, but not with version 3 of |
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those licenses. So to combine the OpenCORE libraries with Libav, the license
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those licenses. So to combine the OpenCORE libraries with FFmpeg, the license
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version needs to be upgraded by passing --enable-version3 to configure. |
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The nonfree external library libfaac can be hooked up in Libav. You need to
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The nonfree external library libfaac can be hooked up in FFmpeg. You need to
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pass --enable-nonfree to configure to enable it. Employ this option with care |
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as Libav then becomes nonfree and unredistributable. |
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as FFmpeg then becomes nonfree and unredistributable. |
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