VIDEO: Handle the AVI 'JUNQ' and 'dmlh' chunk headers

These are used by Full Pipe's intro videos

video/avi_decoder.cpp

@@ -59,6 +59,8 @@ namespace Video {
 #define ID_MIDS MKTAG('m','i','d','s')
 #define ID_TXTS MKTAG('t','x','t','s')
 #define ID_JUNK MKTAG('J','U','N','K')
+#define ID_JUNQ MKTAG('J','U','N','Q')
+#define ID_DMLH MKTAG('d','m','l','h')
 #define ID_STRF MKTAG('s','t','r','f')
 #define ID_MOVI MKTAG('m','o','v','i')
 #define ID_REC  MKTAG('r','e','c',' ')
@@ -155,9 +157,11 @@ bool AVIDecoder::parseNextChunk() {
 	case ID_STRD: // Extra stream info, safe to ignore
 	case ID_VEDT: // Unknown, safe to ignore
 	case ID_JUNK: // Alignment bytes, should be ignored
+	case ID_JUNQ: // Same as JUNK, safe to ignore
 	case ID_ISFT: // Metadata, safe to ignore
 	case ID_DISP: // Metadata, should be safe to ignore
 	case ID_STRN: // Metadata, safe to ignore
+	case ID_DMLH: // OpenDML extension, contains an extra total frames field, safe to ignore
 		skipChunk(size);
 		break;
 	case ID_IDX1: