fix: fix errors for flutter analyze.

Author: cloudwebrtc

example/pubspec.yaml

@@ -11,7 +11,7 @@ dependencies:
   flutter:
     sdk: flutter
   flutter_icons: ^1.0.0
-  flutter_whip_meeting:
+  flutter_whip:
     path: ../
 
 dev_dependencies:

lib/src/transports/http.dart

@@ -14,9 +14,21 @@ void httpInit() {
   ioClient = IOClient(httpClient);
 }
 
-Future<http.Response> httpGet(Uri url, {Map<String, String>? headers}) =>
-    ioClient.get(url, headers: headers);
-
+// POST/PATCH/DELETE
 Future<http.Response> httpPost(Uri url,
         {Map<String, String>? headers, Object? body, Encoding? encoding}) =>
     ioClient.post(url, headers: headers, body: body, encoding: encoding);
+
+Future<http.Response> httpPatch(Uri url, {Map<String, String>? headers, Object? body}) async {
+  final response = await ioClient.patch(url, headers: headers, body: body);
+  print('Status code: ${response.statusCode}');
+  print('Body: ${response.body}');
+  return response;
+}
+
+Future<http.Response> httpDelete(Uri url) async {
+  final response = await ioClient.delete(url);
+  print('Status code: ${response.statusCode}');
+  print('Body: ${response.body}');
+  return response;
+}

lib/src/transports/http_web.dart

@@ -4,9 +4,21 @@ import 'package:http/http.dart' as http;
 
 void httpInit() {}
 
-Future<http.Response> httpGet(Uri url, {Map<String, String>? headers}) =>
-    http.get(url, headers: headers);
-
 Future<http.Response> httpPost(Uri url,
         {Map<String, String>? headers, Object? body, Encoding? encoding}) =>
     http.post(url, headers: headers, body: body, encoding: encoding);
+
+
+Future<http.Response> httpPatch(Uri url, {Map<String, String>? headers, Object? body}) async {
+  final response = await http.patch(url, headers: headers, body: body);
+  print('Status code: ${response.statusCode}');
+  print('Body: ${response.body}');
+  return response;
+}
+
+Future<http.Response> httpDelete(Uri url) async {
+  final response = await http.delete(url);
+  print('Status code: ${response.statusCode}');
+  print('Body: ${response.body}');
+  return response;
+}

lib/src/utils.dart

@@ -0,0 +1,109 @@
+import 'package:sdp_transform/sdp_transform.dart' as sdp_transform;
+
+class CodecCapability {
+  CodecCapability(
+      this.kind, this.payloads, this.codecs, this.fmtp, this.rtcpFb) {
+    codecs.forEach((element) {
+      element['orign_payload'] = element['payload'];
+    });
+  }
+  String kind;
+  List<dynamic> rtcpFb;
+  List<dynamic> fmtp;
+  List<String> payloads;
+  List<dynamic> codecs;
+  bool setCodecPreferences(String kind, List<dynamic>? newCodecs) {
+    if (newCodecs == null) {
+      return false;
+    }
+    var newRtcpFb = <dynamic>[];
+    var newFmtp = <dynamic>[];
+    var newPayloads = <String>[];
+    newCodecs.forEach((element) {
+      var orign_payload = element['orign_payload'] as int;
+      var payload = element['payload'] as int;
+      // change payload type
+      if (payload != orign_payload) {
+        newRtcpFb.addAll(rtcpFb.where((e) {
+          if (e['payload'] == orign_payload) {
+            e['payload'] = payload;
+            return true;
+          }
+          return false;
+        }).toList());
+        newFmtp.addAll(fmtp.where((e) {
+          if (e['payload'] == orign_payload) {
+            e['payload'] = payload;
+            return true;
+          }
+          return false;
+        }).toList());
+        if (payloads.contains('$orign_payload')) {
+          newPayloads.add('$payload');
+        }
+      } else {
+        newRtcpFb.addAll(rtcpFb.where((e) => e['payload'] == payload).toList());
+        newFmtp.addAll(fmtp.where((e) => e['payload'] == payload).toList());
+        newPayloads.addAll(payloads.where((e) => e == '$payload').toList());
+      }
+    });
+    rtcpFb = newRtcpFb;
+    fmtp = newFmtp;
+    payloads = newPayloads;
+    codecs = newCodecs;
+    return true;
+  }
+}
+
+class CodecCapabilitySelector {
+  CodecCapabilitySelector(String sdp) {
+    _sdp = sdp;
+    _session = sdp_transform.parse(_sdp);
+  }
+  late String _sdp;
+  late Map<String, dynamic> _session;
+  Map<String, dynamic> get session => _session;
+  String sdp() => sdp_transform.write(_session, null);
+
+  CodecCapability? getCapabilities(String kind) {
+    var mline = _mline(kind);
+    if (mline == null) {
+      return null;
+    }
+    var rtcpFb = mline['rtcpFb'] as List<dynamic>;
+    var fmtp = mline['fmtp'] as List<dynamic>;
+    var payloads = (mline['payloads'] as String).split(' ');
+    var codecs = mline['rtp'] as List<dynamic>;
+    return CodecCapability(kind, payloads, codecs, fmtp, rtcpFb);
+  }
+
+  bool setCapabilities(CodecCapability? caps) {
+    if (caps == null) {
+      return false;
+    }
+    var mline = _mline(caps.kind);
+    if (mline == null) {
+      return false;
+    }
+    mline['payloads'] = caps.payloads.join(' ');
+    mline['rtp'] = caps.codecs;
+    mline['fmtp'] = caps.fmtp;
+    mline['rtcpFb'] = caps.rtcpFb;
+
+    var mlines = _session['media'] as List<dynamic>;
+    mlines.forEach((m) {
+      m.remove('ssrcGroups');
+      var ssrcs = m['ssrcs'];
+      if (ssrcs != null && ssrcs.length >= 4) {
+        m['ssrcs'] = ssrcs.sublist(0, 3);
+      }
+    });
+    return true;
+  }
+
+  Map<String, dynamic>? _mline(String kind) {
+    var mlist = _session['media'] as List<dynamic>;
+    return mlist.firstWhere((element) => element['type'] == kind,
+        orElse: () => null);
+  }
+}

test/sdp_test.dart

@@ -1,7 +1,7 @@
 import 'dart:convert';
 import 'dart:io';
 
-import 'package:flutter_cisco_meeting/src/utils.dart';
+import 'package:flutter_whip/src/utils.dart';
 import 'package:test/test.dart';
 
 void main() async {