Update AMR instructions for last round of changes.

Originally committed as revision 8718 to svn://svn.ffmpeg.org/ffmpeg/trunk

doc/ffmpeg-doc.texi

@@ -798,22 +798,16 @@ fixed-point mode) reference decoders and encoders.
 
 @itemize
 
-@item For AMR WB floating-point download TS26.204 V5.1.0 from
-@url{http://www.3gpp.org/ftp/Specs/archive/26_series/26.204/26204-510.zip}
-and extract the source to @file{libavcodec/amrwb_float/}.
-
-@item For AMR NB floating-point download TS26.104 REL-5 V5.1.0 from
-@url{http://www.3gpp.org/ftp/Specs/archive/26_series/26.104/26104-510.zip}
-and extract the source to @file{libavcodec/amr_float/}.
-If you try this on Alpha, you may need to change @code{Word32} to
-@code{int} in @file{amr/typedef.h}.
-
-@item For AMR NB fixed-point download TS26.073 REL-5 V5.1.0 from
-@url{http://www.3gpp.org/ftp/Specs/archive/26_series/26.073/26073-510.zip}
-and extract the source to @file{libavcodec/amr}.
-You must also add @code{-DMMS_IO} and remove @code{-pedantic-errors}
-to/from @code{CFLAGS} in @file{libavcodec/amr/makefile}, i.e.
-``@code{CFLAGS = -Wall -I. \$(CFLAGS_\$(MODE)) -D\$(VAD) -DMMS_IO}''.
+@item For AMR WB floating-point and AMR NB floating point support, go to
+@url{http://www.penguin.cz/~utx/amr} and follow the instructions for building
+the libraries.
+
+@item For AMR NB fixed-point download TS26.073 REL-6 V6.0.0 from
+@url{http://www.3gpp.org/ftp/Specs/archive/26_series/26.073/26073-600.zip}
+and extract the source to the directory @file{libavcodec/amr}.
+You must also add @code{-DMMS_IO} from @code{CFLAGS} in
+@file{libavcodec/amr/makefile}, i.e.
+``@code{CFLAGS = -Wall -pedantic-errors -I. $(CFLAGS_$(MODE)) -D$(VAD) -DMMS_IO}''.
 
 @end itemize