mention libavformat API examples

Originally committed as revision 2070 to svn://svn.ffmpeg.org/ffmpeg/trunk

doc/faq.texi

@@ -52,6 +52,10 @@ Use @file{-} as filename.
 
 @chapter Development
 
+@section Are there examples of use of the FFmpeg libraries libavcodec and libavformat ?
+
+Yes. Read the Developers Guide of the FFmpeg documentation.
+
 @section Can you support my C compiler XXX ?
 
 No. Only GCC is supported. GCC is ported on most systems available and I

doc/ffmpeg-doc.texi

@@ -467,8 +467,10 @@ valid results, then crashes.
   decoding). See @file{libavcodec/apiexample.c} to see how to use it.
 
 @item libavformat is the library containing the file formats handling (mux and
-  demux code for several formats). (no example yet, the API is likely to
-  evolve).
+  demux code for several formats). See @file{ffplay.c} to use it in a
+player. See @file{output_example.c} to use it to generate audio or video
+streams.
+
 @end itemize
 
 @section Integrating libavcodec or libavformat in your program