Merge remote-tracking branch 'qatar/master'

* qatar/master:
  lavc: add a libwavpack encoder wrapper

Conflicts:
	Changelog
	doc/encoders.texi
	libavcodec/version.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>

2 files changed, 39 insertions, 1 deletions

diff --git a/doc/encoders.texi b/doc/encoders.texi
index c55ca35..cca51c6 100644
--- a/doc/encoders.texi
+++ b/doc/encoders.texi
@@ -525,6 +525,35 @@ Bitrate.
 
 @end table
 
+@section libwavpack
+
+A wrapper providing WavPack encoding through libwavpack.
+
+Only lossless mode using 32-bit integer samples is supported currently.
+The @option{compression_level} option can be used to control speed vs.
+compression tradeoff, with the values mapped to libwavpack as follows:
+
+@table @option
+
+@item 0
+Fast mode - corresponding to the wavpack @option{-f} option.
+
+@item 1
+Normal (default) settings.
+
+@item 2
+High quality - corresponding to the wavpack @option{-h} option.
+
+@item 3
+Very high quality - corresponding to the wavpack @option{-hh} option.
+
+@item 4-8
+Same as 3, but with extra processing enabled - corresponding to the wavpack
+@option{-x} option. I.e. 4 is the same as @option{-x2} and 8 is the same as
+@option{-x6}.
+
+@end table
+
 @c man end AUDIO ENCODERS
 
 @chapter Video Encoders
diff --git a/doc/general.texi b/doc/general.texi
index 35a49bf..2be99bd 100644
--- a/doc/general.texi
+++ b/doc/general.texi
@@ -95,6 +95,14 @@ 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
+
+Libav 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 +917,8 @@ 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