QXmpp: QXmppCallStream_p.h Source File

QXmpp Version: 1.14.3

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QXmppCallStream_p.h
1// SPDX-FileCopyrightText: 2019 Niels Ole Salscheider <ole@salscheider.org>
2// SPDX-FileCopyrightText: 2025 Linus Jahn <lnj@kaidan.im>
3//
4// SPDX-License-Identifier: LGPL-2.1-or-later
5
6#ifndef QXMPPCALLSTREAM_P_H
7#define QXMPPCALLSTREAM_P_H
8
9#include "QXmppCall_p.h"
10#include "QXmppJingleIq.h"
11
12#include <gst/gst.h>
13
14#include <QList>
15#include <QObject>
16#include <QString>
17
18class QXmppIceConnection;
19
20//
21// W A R N I N G
22// -------------
23//
24// This file is not part of the QXmpp API.
25// This header file may change from version to version without notice,
26// or even be removed.
27//
28// We mean it.
29//
30
31static const int RTP_COMPONENT = 1;
32static const int RTCP_COMPONENT = 2;
33
34constexpr QStringView AUDIO_MEDIA = u"audio";
35constexpr QStringView VIDEO_MEDIA = u"video";
36
37namespace QXmpp::Private {
38
39enum DtlsClientSetup {
40 Actpass,
41 Active,
42 Passive,
43};
44}
45
46class QXmppCallStreamPrivate : public QObject
47{
48 Q_OBJECT
49
50public:
51 QXmppCallStreamPrivate(QXmppCallStream *parent, GstElement *pipeline_, GstElement *rtpBin_,
52 QString media_, QString creator_, QString name_, int id_, bool useDtls_);
53 ~QXmppCallStreamPrivate();
54
55 GstFlowReturn sendDatagram(GstElement *appsink, int component);
56 void datagramReceived(const QByteArray &datagram, GstElement *appsrc);
57
58 void addEncoder(QXmppCallPrivate::GstCodec &codec);
59 void addDecoder(GstPad *pad, QXmppCallPrivate::GstCodec &codec);
60 bool isDtlsClient() const;
61 void enableDtlsClientMode();
62 void onDtlsConnectionStateChanged(QXmpp::Private::GstDtlsConnectionState);
63 void onPeerCertificateReceived(QXmpp::Private::GCharPtr pem);
64
65 Q_SIGNAL void peerCertificateReceived(bool fingerprintMatches);
66
67 bool sendPadCbReady() const { return sendPadCB && sendPad && (dtlsHandshakeComplete || !useDtls); }
68 bool receivePadCbReady() const { return receivePadCB && receivePad && (dtlsHandshakeComplete || !useDtls); }
69
70 QXmppCallStream *q;
71
72 quint32 localSsrc;
73
74 GstElement *pipeline = nullptr;
75 GstElement *rtpBin = nullptr;
76 GstPad *sendPad = nullptr;
77 GstPad *receivePad = nullptr;
78 GstElement *encoderBin = nullptr;
79 GstElement *decoderBin = nullptr;
80 GstElement *iceReceiveBin = nullptr;
81 GstElement *iceSendBin = nullptr;
82 GstElement *receiveRtp = nullptr;
83 GstElement *receiveRtcp = nullptr;
84 GstElement *sendRtp = nullptr;
85 GstElement *sendRtcp = nullptr;
86 // DTLS-SRTP
87 GstElement *dtlsSrtpEncoder = nullptr;
88 GstElement *dtlsSrtcpEncoder = nullptr;
89 GstElement *dtlsSrtpDecoder = nullptr;
90 GstElement *dtlsSrtcpDecoder = nullptr;
91
92 std::function<void(GstPad *)> sendPadCB;
93 std::function<void(GstPad *)> receivePadCB;
94
95 QXmppIceConnection *connection;
96 QString media;
97 QString creator;
98 QString name;
99 int id;
100
101 bool useDtls;
102 // DTLS setup mode received from the other peer
103 std::optional<QXmpp::Private::DtlsClientSetup> dtlsPeerSetup;
104 QByteArray ownCertificateDigest;
105 QByteArray peerCertificateDigest;
106 QByteArray expectedPeerCertificateDigest;
107 bool dtlsHandshakeComplete = false;
108
109 QList<QXmppJinglePayloadType> payloadTypes;
110};
111
112#endif
QXmppIceConnection
The QXmppIceConnection class represents a set of UDP sockets capable of performing Interactive Connec...
Definition QXmppStun.h:228