Cook compatibe decoder, patch by Benjamin Larsson

Add cook demucing, change rm demuxer so that it reorders audio packets
before sending them to the decoder, and send minimum decodeable sized
packets; pass only real codec extradata fo the decoder
Fix 28_8 decoder for the new demuxer strategy

Originally committed as revision 4726 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/allcodecs.c

@@ -491,6 +491,9 @@ void avcodec_register_all(void)
 #ifdef CONFIG_QDM2_DECODER
     register_avcodec(&qdm2_decoder);
 #endif //CONFIG_QDM2_DECODER
+#ifdef CONFIG_COOK_DECODER
+    register_avcodec(&cook_decoder);
+#endif //CONFIG_COOK_DECODER
 #ifdef CONFIG_RAWVIDEO_DECODER
     register_avcodec(&rawvideo_decoder);
 #endif //CONFIG_RAWVIDEO_DECODER