fixed bug for tp-link rtsp session format

service/rtsp/pull_client.go

@@ -464,6 +464,14 @@ func (c *PullClient) receiveResponse() (resp *Response, err error) {
 	return
 }
 
+func trimSessionString(s string) string {
+	idx := strings.Index(s, ";")
+	if idx > 0 {
+		return strings.TrimSpace(s[:idx])
+	}
+	return s
+}
+
 func (c *PullClient) requestWithResponse(r *Request) (*Response, error) {
 	err := c.request(r)
 	if err != nil {
@@ -477,6 +485,10 @@ func (c *PullClient) requestWithResponse(r *Request) (*Response, error) {
 
 	// 保存 session
 	c.rsession = resp.Header.Get(FieldSession)
+	if len(c.rsession) > 0 {
+		// Fixed: TP-Link RTSP session fields(5EA2A41D;timeout=15)
+		c.rsession = trimSessionString(c.rsession)
+	}
 
 	// 如果需要安全信息，增加安全信息并再次请求
 	if resp.StatusCode == StatusUnauthorized {

service/rtsp/sdp_test.go

@@ -100,6 +100,24 @@ a=rtpmap:97 MPEG4-GENERIC/44100/2
 a=fmtp:97 profile-level-id=1;mode=AAC-hbr;sizelength=13;indexlength=3;indexdeltalength=3; config=121056E500
 a=control:streamid=1
 `
+const sdpTplink500 = `v=0
+o=- 14665860 31787219 1 IN IP4 192.168.1.60
+s=Session streamed by "TP-LINK RTSP Server"
+t=0 0
+m=video 0 RTP/AVP 96
+c=IN IP4 0.0.0.0
+b=AS:4096
+a=range:npt=0-
+a=control:track1
+a=rtpmap:96 H265/90000
+a=fmtp:96 profile-space=0;profile-id=12;tier-flag=0;level-id=0;interop-constraints=600000000000;sprop-vps=AAAAAUABDAH//wFgAAADAAADAAADAAADAJasCQ==;sprop-sps=AAAAAUIBAQFgAAADAAADAAADAAADAJagAWggBln3ja5JMmuWMAgAAAMACAAAAwB4QA==;sprop-pps=AAAAAUQB4HawJkA=
+m=audio 0 RTP/AVP 8
+a=rtpmap:8 PCMA/8000
+a=control:track2
+m=application/TP-LINK 0 RTP/AVP smart/1/90000
+a=rtpmap:95 TP-LINK/90000
+a=control:track3
+`
 
 func Benchmark_ThirdSdpParse(b *testing.B) {
 	b.ResetTimer()