-typedef enum { atUnknown, atMPEG, atMP3, atAC3, atDTS, atAAC, atPCM, atOGG } audiotype_t;
+typedef enum { atUnknown, atMPEG, atMP3, atAC3, atDTS, atAAC, atPCM, atOGG, atFLAC } audiotype_t;
+typedef enum { stPlainText, stSSA, stSRT } subtype_t;
+typedef enum { ctNone, ctMPEGTS, ctMPEGPS, ctMKV, ctAVI, ctMP4, ctVCD, ctCDA } containertype_t;