Merge commit 'c93ccf5a4cca722b39f05e9f5660b4cb75bc1740'

[ffmpeg] / doc / general.texi

diff --git a/doc/general.texi b/doc/general.texi
index 35a49bf1216c0942d119f53450fe3ceb7c4ada85..2aa7d5a58f676acc649227eed3ba8df37fe0ae38 100644 (file)
--- 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
@@ -95,6 +100,14 @@ Go to @url{http://www.webmproject.org/} and follow the instructions for
 installing the library. Then pass @code{--enable-libvpx} to configure to
 enable it.
 
+@section libwavpack
+
+FFmpeg can make use of the libwavpack library for WavPack encoding.
+
+Go to @url{http://www.wavpack.com/} and follow the instructions for
+installing the library. Then pass @code{--enable-libwavpack} to configure to
+enable it.
+
 @section x264
 
 FFmpeg can make use of the x264 library for H.264 encoding.
@@ -909,7 +922,8 @@ following image formats are supported:
     @tab Used in LucasArts SMUSH animations.
 @item Vorbis                 @tab  E  @tab  X
     @tab A native but very primitive encoder exists.
-@item WavPack                @tab     @tab  X
+@item WavPack                @tab  E  @tab  X
+    @tab supported through external library libwavpack
 @item Westwood Audio (SND1)  @tab     @tab  X
 @item Windows Media Audio 1  @tab  X  @tab  X
 @item Windows Media Audio 2  @tab  X  @tab  X
@@ -948,7 +962,7 @@ performance on systems without hardware floating point support).
 @item TED Talks captions @tab @tab X @tab   @tab X
 @item VobSub (IDX+SUB) @tab   @tab X @tab   @tab X
 @item VPlayer          @tab   @tab X @tab   @tab X
-@item WebVTT           @tab   @tab X @tab   @tab X
+@item WebVTT           @tab X @tab X @tab   @tab X
 @item XSUB             @tab   @tab   @tab X @tab X
 @end multitable