rtcp: add receiver_ssrc parsing for PSFB packets (#3454)

tmatth · web-flow · commit 3afddf0b89df · 2024-10-18T09:23:33.000+02:00
This fixes handling of PLIs received from Pion streaming plugin clients.
diff --git a/src/rtcp.c b/src/rtcp.c
@@ -143,6 +143,11 @@ guint32 janus_rtcp_get_receiver_ssrc(char *packet, int len) {
 				janus_rtcp_fb *rtcpfb = (janus_rtcp_fb *)rtcp;
 				return ntohl(rtcpfb->media);
 			}
+			case RTCP_PSFB: {
+				/* PSFB, Payload-specific FB message (rfc4585) */
+				janus_rtcp_fb *rtcpfb = (janus_rtcp_fb *)rtcp;
+				return ntohl(rtcpfb->media);
+			}
 			default:
 				break;
 		}

Original file line number	Diff line number	Diff line change
`@@ -143,6 +143,11 @@ guint32 janus_rtcp_get_receiver_ssrc(char *packet, int len) {`
`143`	`143`	`janus_rtcp_fb rtcpfb = (janus_rtcp_fb )rtcp;`
`144`	`144`	`return ntohl(rtcpfb->media);`
`145`	`145`	`}`
	`146`	`+ case RTCP_PSFB: {`
	`147`	`+ /* PSFB, Payload-specific FB message (rfc4585) */`
	`148`	`+ janus_rtcp_fb rtcpfb = (janus_rtcp_fb )rtcp;`
	`149`	`+ return ntohl(rtcpfb->media);`
	`150`	`+ }`
`146`	`151`	`default:`
`147`	`152`	`break;`
`148`	`153`	`}`