QXmpp: QXmppCall_p.h Source File

QXmpp Version: 1.14.4

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QXmppCall_p.h
1// SPDX-FileCopyrightText: 2019 Jeremy Lainé <jeremy.laine@m4x.org>
2// SPDX-FileCopyrightText: 2019 Niels Ole Salscheider <ole@salscheider.org>
3// SPDX-FileCopyrightText: 2025 Linus Jahn <lnj@kaidan.im>
4//
5// SPDX-License-Identifier: LGPL-2.1-or-later
6
7#ifndef QXMPPCALL_P_H
8#define QXMPPCALL_P_H
9
10#include "QXmppCall.h"
11#include "QXmppError.h"
12#include "QXmppJingleIq.h"
13
14#include "GstWrapper.h"
15#include "StringLiterals.h"
16
17#include <gst/gst.h>
18
19#include <QList>
20#include <QPointer>
21
22//
23// W A R N I N G
24// -------------
25//
26// This file is not part of the QXmpp API.
27// This header file may change from version to version without notice,
28// or even be removed.
29//
30// We mean it.
31//
32
33class QXmppCallStream;
34
35class QXmppCallPrivate : public QObject
36{
37 Q_OBJECT
38public:
39 using GstElementPtr = QXmpp::Private::GstElementPtr;
40
41 struct GstCodec {
42 int pt;
43 QString name;
44 int channels;
45 uint clockrate;
46 QLatin1String gstPay;
47 QLatin1String gstDepay;
48 QLatin1String gstEnc;
49 QLatin1String gstDec;
50 struct Property {
51 QLatin1String name;
52 int value;
53 };
54 // Use e.g. gst-inspect-1.0 x264enc to find good encoder settings for live streaming
55 QList<Property> encProps;
56 };
57
58 explicit QXmppCallPrivate(const QString &jid, const QString &sid, QXmppCall::Direction direction, QPointer<QXmppCallManager> manager, QXmppCall::State state, QXmppError &&error, QXmppCall *qq);
59 ~QXmppCallPrivate();
60
61 void ssrcActive(uint sessionId, uint ssrc);
62 void padAdded(GstPad *pad);
63 GstCaps *ptMap(uint sessionId, uint pt);
64 static bool isFormatSupported(const QString &codecName);
65 static bool isCodecSupported(const GstCodec &codec);
66
67 QXmppCallStream *createStream(const QString &media, const QString &creator, const QString &name);
68 QXmppJingleIq::Content localContent(QXmppCallStream *stream) const;
69 QXmppJingleIq createIq(QXmppJingleIq::Action action) const;
70
71 bool handleDescription(QXmppCallStream *stream, const QXmppJingleIq::Content &content);
72 std::variant<QXmppIq, QXmppStanza::Error> handleRequest(QXmppJingleIq &&iq);
73 bool handleTransport(QXmppCallStream *stream, const QXmppJingleIq::Content &content);
74 void setState(QXmppCall::State state);
75 void sendInvite();
76 void terminate(QXmppJingleReason reason, bool delay = false);
77
78 bool isOwn(QXmppCallStream *stream) const;
79
80 QXmppCall::Direction direction;
81 QString jid;
82 bool useDtls = false;
83 bool videoSupported = false;
84 QPointer<QXmppCallManager> manager;
85 QString sid;
86 QXmppCall::State state = QXmppCall::ConnectingState;
87 QXmppError error;
88
89 GstElementPtr pipeline;
90 GstElement *rtpBin;
91
92 // Media streams
93 QList<QXmppCallStream *> streams;
94 int nextId = 0;
95
96 // Supported codecs
97 // See https://www.iana.org/assignments/rtp-parameters/rtp-parameters.xhtml
98 QList<GstCodec> videoCodecs = {
99 GstCodec { .pt = 100, .name = u"H264"_s, .channels = 1, .clockrate = 90000, .gstPay = "rtph264pay"_L1, .gstDepay = "rtph264depay"_L1, .gstEnc = "x264enc"_L1, .gstDec = "avdec_h264"_L1, .encProps = { { "tune"_L1, 4 }, { "speed-preset"_L1, 3 }, { "byte-stream"_L1, true }, { "bitrate"_L1, 512 } } },
100 GstCodec { .pt = 99, .name = u"VP8"_s, .channels = 1, .clockrate = 90000, .gstPay = "rtpvp8pay"_L1, .gstDepay = "rtpvp8depay"_L1, .gstEnc = "vp8enc"_L1, .gstDec = "vp8dec"_L1, .encProps = { { "deadline"_L1, 20000 }, { "target-bitrate"_L1, 512000 } } },
101 // vp9enc and x265enc seem to be very slow. Give them a lower priority for now.
102 GstCodec { .pt = 102, .name = u"HEVC"_s, .channels = 1, .clockrate = 90000, .gstPay = "rtph265pay"_L1, .gstDepay = "rtph265depay"_L1, .gstEnc = "x265enc"_L1, .gstDec = "avdec_h265"_L1, .encProps = { { "tune"_L1, 4 }, { "speed-preset"_L1, 3 }, { "bitrate"_L1, 512 } } },
103 GstCodec { .pt = 101, .name = u"VP9"_s, .channels = 1, .clockrate = 90000, .gstPay = "rtpvp9pay"_L1, .gstDepay = "rtpvp9depay"_L1, .gstEnc = "vp9enc"_L1, .gstDec = "vp9dec"_L1, .encProps = { { "deadline"_L1, 20000 }, { "target-bitrate"_L1, 512000 } } }
104 };
105
106 QList<GstCodec> audioCodecs = {
107 { .pt = 111, .name = u"opus"_s, .channels = 2, .clockrate = 48000, .gstPay = "rtpopuspay"_L1, .gstDepay = "rtpopusdepay"_L1, .gstEnc = "opusenc"_L1, .gstDec = "opusdec"_L1, .encProps = { { "inband-fec"_L1, true }, { "frame-size"_L1, 40 } } },
108 { .pt = 112, .name = u"opus"_s, .channels = 1, .clockrate = 48000, .gstPay = "rtpopuspay"_L1, .gstDepay = "rtpopusdepay"_L1, .gstEnc = "opusenc"_L1, .gstDec = "opusdec"_L1, .encProps = { { "inband-fec"_L1, true }, { "frame-size"_L1, 40 } } },
109 { .pt = 96, .name = u"speex"_s, .channels = 1, .clockrate = 48000, .gstPay = "rtpspeexpay"_L1, .gstDepay = "rtpspeexdepay"_L1, .gstEnc = "speexenc"_L1, .gstDec = "speexdec"_L1, .encProps = {} },
110 { .pt = 97, .name = u"speex"_s, .channels = 1, .clockrate = 44100, .gstPay = "rtpspeexpay"_L1, .gstDepay = "rtpspeexdepay"_L1, .gstEnc = "speexenc"_L1, .gstDec = "speexdec"_L1, .encProps = {} },
111 { .pt = 100, .name = u"mpeg4-generic"_s, .channels = 2, .clockrate = 48000, .gstPay = "rtpmp4apay"_L1, .gstDepay = "rtpmp4adepay"_L1, .gstEnc = "avenc_aac"_L1, .gstDec = "avdec_aac"_L1, .encProps = {} },
112 { .pt = 101, .name = u"mpeg4-generic"_s, .channels = 2, .clockrate = 44100, .gstPay = "rtpmp4apay"_L1, .gstDepay = "rtpmp4adepay"_L1, .gstEnc = "avenc_aac"_L1, .gstDec = "avdec_aac"_L1, .encProps = {} },
113 { .pt = 102, .name = u"mpeg4-generic"_s, .channels = 1, .clockrate = 48000, .gstPay = "rtpmp4apay"_L1, .gstDepay = "rtpmp4adepay"_L1, .gstEnc = "avenc_aac"_L1, .gstDec = "avdec_aac"_L1, .encProps = {} },
114 { .pt = 103, .name = u"mpeg4-generic"_s, .channels = 1, .clockrate = 44100, .gstPay = "rtpmp4apay"_L1, .gstDepay = "rtpmp4adepay"_L1, .gstEnc = "avenc_aac"_L1, .gstDec = "avdec_aac"_L1, .encProps = {} },
115 { .pt = 8, .name = u"PCMA"_s, .channels = 1, .clockrate = 8000, .gstPay = "rtppcmapay"_L1, .gstDepay = "rtppcmadepay"_L1, .gstEnc = "alawenc"_L1, .gstDec = "alawdec"_L1, .encProps = {} },
116 { .pt = 0, .name = u"PCMU"_s, .channels = 1, .clockrate = 8000, .gstPay = "rtppcmupay"_L1, .gstDepay = "rtppcmudepay"_L1, .gstEnc = "mulawenc"_L1, .gstDec = "mulawdec"_L1, .encProps = {} },
117 };
118
119private:
120 QXmppCall *q;
121};
122
123#endif
QXmppCall::Direction
Direction
This enum is used to describe the direction of a call.
Definition QXmppCall.h:35
QXmppCall::State
State
This enum is used to describe the state of a call.
Definition QXmppCall.h:42
QXmppCall::ConnectingState
@ ConnectingState
The call is being connected.
Definition QXmppCall.h:43
QXmppCallStream
Definition QXmppCallStream.h:22
QXmppJingleIq::Action
Action
This enum is used to describe a Jingle action.
Definition QXmppJingleData.h:442