PSX MDEC decoder, based upon some code from Sebastian Jedruszkiewicz <elf at frogger dot rules dot pl>

note: completly untested, no demuxer yet

Originally committed as revision 2134 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/allcodecs.c

@@ -116,6 +116,7 @@ void avcodec_register_all(void)
     register_avcodec(&vcr1_decoder);
     register_avcodec(&cljr_decoder);
     register_avcodec(&fourxm_decoder);
+    register_avcodec(&mdec_decoder);
 #ifdef CONFIG_AC3
     register_avcodec(&ac3_decoder);
 #endif