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Description:

sdp transform

sdp-transform #

Dart version of the sdp-transform JavaScript library.
dart-sdp-transform is a simple parser and writer of SDP. Defines internal grammar based on RFC4566 - SDP, RFC5245 - ICE, and many more.
Usage #

import 'dart:io';
import 'dart:convert';
import 'package:sdp_transform/sdp_transform.dart';

main() {
new File('./test/ssrc.sdp').readAsString().then((String contents) {
print('original sdp => ' + contents);
var session = parse(contents);
print('convert to json => ' + json.encode(session));

var params = parseParams(session['media'][1]['fmtp'][0]['config']);
print('params => ' + params.toString());

var payloads = parsePayloads(session['media'][1]["payloads"]);
print('payloads => ' + payloads.toString());

String imageAttributesStr = "[x=1280,y=720] [x=320,y=180]";
var imageAttributes = parseImageAttributes(imageAttributesStr);
print('imageAttributes => ' + imageAttributes.toString());

// // a=simulcast:send 1,~4;2;3 recv c
String simulcastAttributesStr = "1,~4;2;3";
var simulcastAttributes = parseSimulcastStreamList(simulcastAttributesStr);
print('simulcastAttributes => ' + simulcastAttributes.toString());

var sdp = write(session, null);
print('convert to sdp => ' + sdp);
});
}

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