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| -rw-r--r-- | doc/general.texi | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/doc/general.texi b/doc/general.texi index a83b55e13f..76325324d6 100644 --- a/doc/general.texi +++ b/doc/general.texi @@ -24,7 +24,7 @@ instructions. To enable using OpenJPEG in FFmpeg, pass @code{--enable-libopenjp @file{./configure}. -@section OpenCORE and VisualOn libraries +@section OpenCORE, VisualOn, and Fraunhofer libraries Spun off Google Android sources, OpenCore, VisualOn and Fraunhofer libraries provide encoders for a number of audio codecs. @@ -32,9 +32,14 @@ libraries provide encoders for a number of audio codecs. @float NOTE OpenCORE and VisualOn libraries are under the Apache License 2.0 (see @url{http://www.apache.org/licenses/LICENSE-2.0} for details), which is -incompatible with the LGPL version 2.1 and GPL version 2. You have to +incompatible to the LGPL version 2.1 and GPL version 2. You have to upgrade FFmpeg's license to LGPL version 3 (or if you have enabled -GPL components, GPL version 3) to use it. +GPL components, GPL version 3) by passing @code{--enable-version3} to configure in +order to use it. + +The Fraunhofer AAC library is licensed under a license incompatible to the GPL +and is not known to be compatible to the LGPL. Therefore, you have to pass +@code{--enable-nonfree} to configure to use it. @end float @subsection OpenCORE AMR |