mjpeg: fix decoding and encoding JPEG types 1-63 (#605)

Type 0 corresponds to YUV 4:2:2. Since this header is passed directly to the JPEG header, no additional changes are necessary for support. See the type field here: https://datatracker.ietf.org/doc/html/rfc2435#section-4.1

Co-authored-by: aler9 <46489434+aler9@users.noreply.github.com>

pkg/format/rtpmjpeg/encoder.go

@@ -187,7 +187,7 @@ outer:
 		return nil, fmt.Errorf("SOF not found")
 	}
 
-	if sof.Type != 1 {
+	if sof.Type > 63 {
 		return nil, fmt.Errorf("JPEG type %d is not supported", sof.Type)
 	}