Fix bug. Resolves #1464.

sipsorcery · sipsorcery · commit 37ba32bea57f · 2025-10-18T13:13:35.000+01:00
diff --git a/src/net/RTP/RTPSession.cs b/src/net/RTP/RTPSession.cs
@@ -1272,14 +1272,14 @@ public virtual SetDescriptionResultEnum SetRemoteDescription(SdpType sdpType, SD
                     }
                     else if (currentMediaStream.MediaType == SDPMediaTypesEnum.text)
                     {
-                        if (capabilities?.Count == 0 || (currentMediaStream.LocalTrack == null && currentMediaStream.LocalTrack != null && currentMediaStream.LocalTrack.Capabilities?.Count == 0))
+                        if (capabilities?.Count == 0 || (currentMediaStream.LocalTrack != null && currentMediaStream.LocalTrack.Capabilities?.Count == 0))
                         {
                             return SetDescriptionResultEnum.TextIncompatible;
                         }
                     }
                     else if (currentMediaStream.MediaType == SDPMediaTypesEnum.video)
                     {
-                        if (capabilities?.Count == 0 || (currentMediaStream.LocalTrack == null && currentMediaStream.LocalTrack != null && currentMediaStream.LocalTrack.Capabilities?.Count == 0))
+                        if (capabilities?.Count == 0 || (currentMediaStream.LocalTrack != null && currentMediaStream.LocalTrack.Capabilities?.Count == 0))
                         {
                             return SetDescriptionResultEnum.VideoIncompatible;
                         }

Original file line number	Diff line number	Diff line change
`@@ -1272,14 +1272,14 @@ public virtual SetDescriptionResultEnum SetRemoteDescription(SdpType sdpType, SD`
`1272`	`1272`	`}`
`1273`	`1273`	`else if (currentMediaStream.MediaType == SDPMediaTypesEnum.text)`
`1274`	`1274`	`{`
`1275`		`- if (capabilities?.Count == 0 \|\| (currentMediaStream.LocalTrack == null && currentMediaStream.LocalTrack != null && currentMediaStream.LocalTrack.Capabilities?.Count == 0))`
	`1275`	`+ if (capabilities?.Count == 0 \|\| (currentMediaStream.LocalTrack != null && currentMediaStream.LocalTrack.Capabilities?.Count == 0))`
`1276`	`1276`	`{`
`1277`	`1277`	`return SetDescriptionResultEnum.TextIncompatible;`
`1278`	`1278`	`}`
`1279`	`1279`	`}`
`1280`	`1280`	`else if (currentMediaStream.MediaType == SDPMediaTypesEnum.video)`
`1281`	`1281`	`{`
`1282`		`- if (capabilities?.Count == 0 \|\| (currentMediaStream.LocalTrack == null && currentMediaStream.LocalTrack != null && currentMediaStream.LocalTrack.Capabilities?.Count == 0))`
	`1282`	`+ if (capabilities?.Count == 0 \|\| (currentMediaStream.LocalTrack != null && currentMediaStream.LocalTrack.Capabilities?.Count == 0))`
`1283`	`1283`	`{`
`1284`	`1284`	`return SetDescriptionResultEnum.VideoIncompatible;`
`1285`	`1285`	`}`