add MPEG-TS format (#244)

pkg/formats/mpegts.go

@@ -0,0 +1,38 @@
+package formats
+
+import (
+	"github.com/pion/rtp"
+)
+
+// MPEGTS is a RTP format that uses MPEG-TS to wrap underlying tracks.
+// Specification: https://datatracker.ietf.org/doc/html/rfc2250
+type MPEGTS struct{}
+
+// String implements Format.
+func (f *MPEGTS) String() string {
+	return "MPEG-TS"
+}
+
+// ClockRate implements Format.
+func (f *MPEGTS) ClockRate() int {
+	return 90000
+}
+
+// PayloadType implements Format.
+func (f *MPEGTS) PayloadType() uint8 {
+	return 33
+}
+
+func (f *MPEGTS) unmarshal(payloadType uint8, clock string, codec string, rtpmap string, fmtp map[string]string) error {
+	return nil
+}
+
+// Marshal implements Format.
+func (f *MPEGTS) Marshal() (string, map[string]string) {
+	return "MP2T/90000", nil
+}
+
+// PTSEqualsDTS implements Format.
+func (f *MPEGTS) PTSEqualsDTS(*rtp.Packet) bool {
+	return true
+}