fix simulcast issue.

cloudwebrtc · cloudwebrtc · commit 40bde2ae3db0 · 2020-11-23T13:21:40.000+08:00
diff --git a/android/src/main/java/com/cloudwebrtc/webrtc/PeerConnectionObserver.java b/android/src/main/java/com/cloudwebrtc/webrtc/PeerConnectionObserver.java
@@ -669,7 +669,7 @@ private RtpTransceiver.RtpTransceiverInit mapToRtpTransceiverInit(Map<String, Ob
       if(encodingsParams != null) {
           for (int i=0;i< encodingsParams.size();i++){
               Map<String, Object> params = encodingsParams.get(i);
-              sendEncodings.add(mapToEncoding(params));
+              sendEncodings.add(0, mapToEncoding(params));
           }
           init = new RtpTransceiver.RtpTransceiverInit(stringToTransceiverDirection(direction) ,streamIds, sendEncodings);
       } else {
diff --git a/common/darwin/Classes/FlutterWebRTCPlugin.m b/common/darwin/Classes/FlutterWebRTCPlugin.m
@@ -1365,9 +1365,9 @@ -(RTCRtpTransceiverInit*)mapToTransceiverInit:(NSDictionary*)map {
     }
 
     if(encodingsParams != nil) {
-        NSArray<RTCRtpEncodingParameters *> *sendEncodings = [[NSArray alloc] init];
+        NSMutableArray<RTCRtpEncodingParameters *> *sendEncodings = [[NSMutableArray alloc] init];
         for (NSDictionary* map in encodingsParams){
-            sendEncodings = [sendEncodings arrayByAddingObject:[self mapToEncoding:map]];
+            [sendEncodings insertObject:[self mapToEncoding:map] atIndex:0];
         }
         [init setSendEncodings:sendEncodings];
     }

Original file line number	Diff line number	Diff line change
`@@ -669,7 +669,7 @@ private RtpTransceiver.RtpTransceiverInit mapToRtpTransceiverInit(Map<String, Ob`
`669`	`669`	`if(encodingsParams != null) {`
`670`	`670`	`for (int i=0;i< encodingsParams.size();i++){`
`671`	`671`	`Map<String, Object> params = encodingsParams.get(i);`
`672`		`- sendEncodings.add(mapToEncoding(params));`
	`672`	`+ sendEncodings.add(0, mapToEncoding(params));`
`673`	`673`	`}`
`674`	`674`	`init = new RtpTransceiver.RtpTransceiverInit(stringToTransceiverDirection(direction) ,streamIds, sendEncodings);`
`675`	`675`	`} else {`
Original file line number	Diff line number	Diff line change
`@@ -1365,9 +1365,9 @@ -(RTCRtpTransceiverInit)mapToTransceiverInit:(NSDictionary)map {`
`1365`	`1365`	`}`
`1366`	`1366`
`1367`	`1367`	`if(encodingsParams != nil) {`
`1368`		`- NSArray<RTCRtpEncodingParameters > sendEncodings = [[NSArray alloc] init];`
	`1368`	`+ NSMutableArray<RTCRtpEncodingParameters > sendEncodings = [[NSMutableArray alloc] init];`
`1369`	`1369`	`for (NSDictionary* map in encodingsParams){`
`1370`		`- sendEncodings = [sendEncodings arrayByAddingObject:[self mapToEncoding:map]];`
	`1370`	`+ [sendEncodings insertObject:[self mapToEncoding:map] atIndex:0];`
`1371`	`1371`	`}`
`1372`	`1372`	`[init setSendEncodings:sendEncodings];`
`1373`	`1373`	`}`