oxen-io
/
session-ios
mirror of https://github.com/oxen-io/session-ios.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

enable CBR

This commit is contained in:
Ryan Zhao 2021-12-07 16:30:14 +11:00
parent e42c8ea592
commit 0df2630a70
2 changed files with 15 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
SessionMessagingKit/Calls/WebRTCSession.swift
View File

@ -139,7 +139,7 @@ public final class WebRTCSession : NSObject, RTCPeerConnectionDelegate {
if let error = error {
seal.reject(error)
} else {
guard let self = self, let sdp = sdp else { preconditionFailure() }
guard let self = self, let sdp = self.correctSessionDescription(sdp: sdp) else { preconditionFailure() }
self.peerConnection.setLocalDescription(sdp) { error in
if let error = error {
print("Couldn't initiate call due to error: \(error).")
@ -171,7 +171,7 @@ public final class WebRTCSession : NSObject, RTCPeerConnectionDelegate {
if let error = error {
seal.reject(error)
} else {
guard let self = self, let sdp = sdp else { preconditionFailure() }
guard let self = self, let sdp = self.correctSessionDescription(sdp: sdp) else { preconditionFailure() }
self.peerConnection.setLocalDescription(sdp) { error in
if let error = error {
print("Couldn't accept call due to error: \(error).")
@ -244,6 +244,13 @@ public final class WebRTCSession : NSObject, RTCPeerConnectionDelegate {
return RTCMediaConstraints(mandatoryConstraints: mandatory, optionalConstraints: optional)
}
private func correctSessionDescription(sdp: RTCSessionDescription?) -> RTCSessionDescription? {
guard let sdp = sdp else { return nil }
let cbrSdp = sdp.description.replace(regex: "(a=fmtp:111 ((?!cbr=).)*)\r?\n", with: "$1;cbr=1\r\n")
let finalSdp = cbrSdp.replace(regex: ".+urn:ietf:params:rtp-hdrext:ssrc-audio-level.*\r?\n", with: "")
return RTCSessionDescription(type: sdp.type, sdp: finalSdp)
}
// MARK: Peer connection delegate
public func peerConnection(_ peerConnection: RTCPeerConnection, didChange state: RTCSignalingState) {
print("[Calls] Signaling state changed to: \(state).")

6
SessionUtilitiesKit/General/NSRegularExpression+SSK.swift
View File

@ -81,6 +81,12 @@ extension String {
public var completeNSRange: NSRange {
NSRange(completeRange, in: self)
}
public func replace(regex: String, with template: String) -> String {
let regex = try! NSRegularExpression(pattern: regex, options: .caseInsensitive)
let range = self.completeNSRange
return regex.stringByReplacingMatches(in: self, options: [], range: range, withTemplate: template)
}
}
extension NSTextCheckingResult {