Update info for Sonic, add Dirac to supported formats list.

Originally committed as revision 14157 to svn://svn.ffmpeg.org/ffmpeg/trunk

doc/general.texi

@@ -217,6 +217,8 @@ following image formats are supported:
     @tab fourcc: CLJR
 @item Creative YUV           @tab     @tab  X
     @tab fourcc: CYUV
+@item Dirac                  @tab  X  @tab  X
+    @tab Supported through the external libdirac/libschroedinger libraries.
 @item Duck TrueMotion v1     @tab     @tab  X
     @tab fourcc: DUCK
 @item Duck TrueMotion v2     @tab     @tab  X
@@ -362,8 +364,10 @@ following image formats are supported:
 @item DV audio               @tab     @tab  X
 @item Electronic Arts ADPCM  @tab     @tab  X
     @tab Used in various EA titles.
-@item FFmpeg Sonic           @tab  X  @tab  X
-    @tab experimental lossy/lossless codec
+@item Sonic                  @tab  X  @tab  X
+    @tab experimental codec
+@item Sonic lossless         @tab  X  @tab  X
+    @tab experimental codec
 @item FLAC lossless audio    @tab  X  @tab  X
 @item G.726  ADPCM           @tab  X  @tab  X
 @item id RoQ DPCM            @tab  X  @tab  X