123 lines
4.2 KiB
Swift
123 lines
4.2 KiB
Swift
/*
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* Copyright (C) 2021-2021 Teluu Inc. (http://www.teluu.com)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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import SwiftUI
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struct VidView: UIViewRepresentable {
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@Binding var vid_view: UIView?
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func makeUIView(context: Context) -> UIView {
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let view = UIView();
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view.backgroundColor = UIColor.black;
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return view;
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}
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func updateUIView(_ uiView: UIView, context: Context) {
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if let vid_win = vid_view {
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/* Add the video window as subview */
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if (!vid_win.isDescendant(of: uiView)) {
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uiView.addSubview(vid_win);
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vid_win.center = uiView.center;
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vid_win.frame = uiView.bounds;
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vid_win.contentMode = .scaleAspectFit;
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}
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}
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}
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}
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private func call_func(user_data: UnsafeMutableRawPointer?) {
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let pjsip_vars = Unmanaged<PjsipVars>.fromOpaque(user_data!).takeUnretainedValue()
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if (!pjsip_vars.calling) {
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var status: pj_status_t;
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var opt = pjsua_call_setting();
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pjsua_call_setting_default(&opt);
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opt.aud_cnt = 1;
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opt.vid_cnt = 1;
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let dest_str = strdup(pjsip_vars.dest);
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var dest:pj_str_t = pj_str(dest_str);
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status = pjsua_call_make_call(0, &dest, &opt, nil, nil, &pjsip_vars.call_id);
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DispatchQueue.main.sync {
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pjsip_vars.calling = (status == PJ_SUCCESS.rawValue);
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}
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free(dest_str);
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} else {
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if (pjsip_vars.call_id != PJSUA_INVALID_ID.rawValue) {
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DispatchQueue.main.sync {
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pjsip_vars.calling = false;
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}
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pjsua_call_hangup(pjsip_vars.call_id, 200, nil, nil);
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pjsip_vars.call_id = PJSUA_INVALID_ID.rawValue;
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}
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}
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}
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struct ContentView: View {
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@EnvironmentObject var pjsip_vars: PjsipVars;
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var body: some View {
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VStack(alignment: .center) {
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HStack(alignment: .center) {
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Text(pjsip_vars.calling != true ? "Destination:" :
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pjsip_vars.vid_win != nil ? "Video" : "")
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if (!pjsip_vars.calling) {
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TextField(pjsip_vars.dest, text: $pjsip_vars.dest)
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.frame(minWidth:0, maxWidth:200)
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}
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}
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Button(action: {
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let user_data =
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UnsafeMutableRawPointer(Unmanaged.passUnretained(pjsip_vars).toOpaque())
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/* IMPORTANT:
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* We need to call PJSIP API from a separate thread since
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* PJSIP API can potentially block the main/GUI thread.
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* And make sure we don't use Apple's Dispatch / gcd since
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* it's incompatible with POSIX threads.
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* In this example, we take advantage of PJSUA's timer thread
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* to make and hangup call. For a more complex application,
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* it is recommended to create your own separate thread
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* instead for this purpose.
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*/
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pjsua_schedule_timer2_dbg(call_func, user_data, 0, "swift", 0);
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}) {
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if (!pjsip_vars.calling) {
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Text("Make call")
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.foregroundColor(Color.black)
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} else {
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Text("Hangup call")
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.foregroundColor(Color.black)
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}
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}
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.padding(.all, 8.0)
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.background(Color.green);
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VidView(vid_view: $pjsip_vars.vid_win)
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}
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}
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}
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struct ContentView_Previews: PreviewProvider {
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static var previews: some View {
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ContentView()
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}
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}
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