Add FmtpLine for DVRIP H264 codec

pkg/dvrip/client.go

@@ -5,6 +5,7 @@ import (
 	"crypto/md5"
 	"encoding/base64"
 	"encoding/binary"
+	"encoding/hex"
 	"encoding/json"
 	"errors"
 	"fmt"
@@ -335,7 +336,27 @@ func (c *Client) AddVideoTrack(mediaCode byte, payload []byte) {
 			Name:        streamer.CodecH264,
 			ClockRate:   90000,
 			PayloadType: streamer.PayloadTypeRAW,
+			FmtpLine:    "packetization-mode=1",
 		}
+
+		for {
+			size := 4 + int(binary.BigEndian.Uint32(payload))
+
+			switch h264.NALUType(payload) {
+			case h264.NALUTypeSPS:
+				codec.FmtpLine += ";profile-level-id=" + hex.EncodeToString(payload[5:8])
+				codec.FmtpLine += ";sprop-parameter-sets=" + base64.StdEncoding.EncodeToString(payload[4:size])
+			case h264.NALUTypePPS:
+				codec.FmtpLine += "," + base64.StdEncoding.EncodeToString(payload[4:size])
+			}
+
+			if size < len(payload) {
+				payload = payload[size:]
+			} else {
+				break
+			}
+		}
+
 	case 3:
 		codec = &streamer.Codec{
 			Name:        streamer.CodecH265,