Add complete listing of bitstream filters and 2 examples to the documentation.

patch by tripp, eliared yahoo com


git-svn-id: file:///var/local/repositories/ffmpeg/trunk@14329 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

doc/ffmpeg-doc.texi

@@ -611,7 +611,10 @@ Force video tag/fourcc.
 @item -qphist
 Show QP histogram.
 @item -vbsf @var{bitstream_filter}
-Bitstream filters available are "dump_extra", "remove_extra", "noise".
+Bitstream filters available are "dump_extra", "remove_extra", "noise", "h264_mp4toannexb", "imxdump", "mjpegadump".
+@example
+ffmpeg -i h264.mp4 -vcodec copy -vbsf h264_mp4toannexb -an out.h264
+@end example
 @end table
 
 @section Audio Options
@@ -664,6 +667,11 @@ Force subtitle codec ('copy' to copy stream).
 Add a new subtitle stream to the current output stream.
 @item -slang @var{code}
 Set the ISO 639 language code (3 letters) of the current subtitle stream.
+@item -sbsf @var{bitstream_filter}
+Bitstream filters available are "mov2textsub", "text2movsub".
+@example
+ffmpeg -i file.mov -an -vn -sbsf mov2textsub -scodec copy -f rawvideo sub.txt
+@end example
 @end table
 
 @section Audio/Video grab options