MLP/TrueHD decoder.

Originally committed as revision 14067 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/allcodecs.c

@@ -189,6 +189,7 @@ void avcodec_register_all(void)
     REGISTER_DECODER (IMC, imc);
     REGISTER_DECODER (MACE3, mace3);
     REGISTER_DECODER (MACE6, mace6);
+    REGISTER_DECODER (MLP, mlp);
     REGISTER_ENCDEC  (MP2, mp2);
     REGISTER_DECODER (MP3, mp3);
     REGISTER_DECODER (MP3ADU, mp3adu);