Fix 400 response on PLAY for Reolink Doorbell #562

pkg/rtsp/consumer.go

@@ -86,7 +86,7 @@ func (c *Conn) packetWriter(codec *core.Codec, channel, payloadType uint8) core.
 	}
 
 	handlerFunc := func(packet *rtp.Packet) {
-		if c.state == StateNone {
+		if c.state == StateNone || !c.playOK {
 			return
 		}
 
@@ -102,6 +102,10 @@ func (c *Conn) packetWriter(codec *core.Codec, channel, payloadType uint8) core.
 			Payload: packet.Payload,
 		}
 
+		if !video {
+			packet.Marker = true // better to have marker on all audio packets
+		}
+
 		size := 12 + len(packet.Payload)
 
 		if n+4+size > len(buf) {
@@ -130,7 +134,7 @@ func (c *Conn) packetWriter(codec *core.Codec, channel, payloadType uint8) core.
 
 		n += 4 + size
 
-		if video && !packet.Marker {
+		if !packet.Marker {
 			return // collect continious video packets to buffer
 		}