Port SMPTE S302M audio decoder from FFmbc 0.3.

libavformat/mpegts.c

@@ -524,6 +524,7 @@ static const StreamType MISC_types[] = {
 static const StreamType REGD_types[] = {
     { MKTAG('d','r','a','c'), AVMEDIA_TYPE_VIDEO, CODEC_ID_DIRAC },
     { MKTAG('A','C','-','3'), AVMEDIA_TYPE_AUDIO,   CODEC_ID_AC3 },
+    { MKTAG('B','S','S','D'), AVMEDIA_TYPE_AUDIO, CODEC_ID_S302M },
     { 0 },
 };