Merge remote-tracking branch 'qatar/master'

* qatar/master:
  configure: Automatically add more flags required on symbian
  mem.h: switch doxygen parameter order to match function prototype
  doxygen: replace @sa tag by the more readable but equivalent @see
  doxygen: use Doxygen markup for authors and web links where appropriate
  doxygen: do not include license boilerplate in Doxygen documentation
  ac3enc: Mark AVClasses const
  ffserver: Replace two loops with one loop.
  ffmpeg: Fix the check for experimental codecs
  swscale: extend mmx padding.
  swscale: clip unscaled colorspace conversion path.
  doxygen: misc consistency cosmetics
  doc: remove file name from @file directive in Doxygen usage example
  doxygen: consistently place brief description
  doxygen: place empty line between brief description and detailed description
  avformat_open_input(): Add braces to shut up gcc warning.

Conflicts:
	libavcodec/8svx.c
	libavcodec/tiff.c
	libavcodec/tiff.h
	libavcodec/vaapi_h264.c
	libavcodec/vorbis.c
	libavcodec/vorbisdec.c
	libavcodec/vp6.c
	libswscale/swscale_unscaled.c
	libswscale/utils.c

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

ffmpeg.c

@@ -599,7 +599,7 @@ static void assert_codec_experimental(AVCodecContext *c, int encoder)
         av_log(NULL, AV_LOG_ERROR, "%s '%s' is experimental and might produce bad "
                 "results.\nAdd '-strict experimental' if you want to use it.\n",
                 codec_string, c->codec->name);
-        codec = encoder ? avcodec_find_encoder(codec->id) : avcodec_find_decoder(codec->id);
+        codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
         if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
             av_log(NULL, AV_LOG_ERROR, "Or use the non experimental %s '%s'.\n",
                    codec_string, codec->name);