add support for .dvb video/vnd.dvb.file

internal/magic/ftyp.go

@@ -47,6 +47,15 @@ var (
 	HeifSequence = ftyp([]byte("msf1"), []byte("hevm"), []byte("hevs"), []byte("avcs"))
 	// Mj2 matches a Motion JPEG 2000 file: https://en.wikipedia.org/wiki/Motion_JPEG_2000.
 	Mj2 = ftyp([]byte("mj2s"), []byte("mjp2"), []byte("MFSM"), []byte("MGSV"))
+	// Dvb matches a Digital Video Broadcasting file: https://dvb.org.
+	// https://cconcolato.github.io/mp4ra/filetype.html
+	// https://github.com/file/file/blob/512840337ead1076519332d24fefcaa8fac36e06/magic/Magdir/animation#L135-L154
+	Dvb = ftyp(
+		[]byte("dby1"), []byte("dsms"), []byte("dts1"), []byte("dts2"),
+		[]byte("dts3"), []byte("dxo "), []byte("dmb1"), []byte("dmpf"),
+		[]byte("drc1"), []byte("dv1a"), []byte("dv1b"), []byte("dv2a"),
+		[]byte("dv2b"), []byte("dv3a"), []byte("dv3b"), []byte("dvr1"),
+		[]byte("dvt1"), []byte("emsg"))
 	// TODO: add support for remaining video formats at ftyps.com.
 )
 

supported_mimes.md

@@ -1,4 +1,4 @@
-## 174 Supported MIME types
+## 175 Supported MIME types
 This file is automatically generated when running tests. Do not edit manually.
 
 Extension | MIME type | Aliases
@@ -88,6 +88,7 @@ Extension | MIME type | Aliases
 **.heif** | image/heif | -
 **.heif** | image/heif-sequence | -
 **.mj2** | video/mj2 | -
+**.dvb** | video/vnd.dvb.file | -
 **.webm** | video/webm | audio/webm
 **.avi** | video/x-msvideo | video/avi, video/msvideo
 **.flv** | video/x-flv | -

tree.go

@@ -161,7 +161,8 @@ var (
 		alias("audio/mpegurl")
 	m4v  = newMIME("video/x-m4v", ".m4v", magic.M4v)
 	mj2  = newMIME("video/mj2", ".mj2", magic.Mj2)
-	mp4  = newMIME("video/mp4", ".mp4", magic.Mp4, avif, threeGP, threeG2, aMp4, mqv, m4a, m4v, heic, heicSeq, heif, heifSeq, mj2)
+	dvb  = newMIME("video/vnd.dvb.file", ".dvb", magic.Dvb)
+	mp4  = newMIME("video/mp4", ".mp4", magic.Mp4, avif, threeGP, threeG2, aMp4, mqv, m4a, m4v, heic, heicSeq, heif, heifSeq, mj2, dvb)
 	webM = newMIME("video/webm", ".webm", magic.WebM).
 		alias("audio/webm")
 	mpeg      = newMIME("video/mpeg", ".mpeg", magic.Mpeg)