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/*
* Copyright (C) 2008-2021 The QXmpp developers
*
* Author:
* Jeremy Lainé
*
* Source:
* https://github.com/qxmpp-project/qxmpp
*
* This file is a part of QXmpp library.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
*/
#ifndef QXMPPCALL_P_H
#define QXMPPCALL_P_H
#include "QXmppCall.h"
#include "QXmppJingleIq.h"
#include <gst/gst.h>
#include <QList>
//
// W A R N I N G
// -------------
//
// This file is not part of the QXmpp API.
// This header file may change from version to version without notice,
// or even be removed.
//
// We mean it.
//
class QXmppCallStream;
class QXmppCallPrivate : public QObject
{
Q_OBJECT
public:
struct GstCodec {
int pt;
QString name;
int channels;
uint clockrate;
QString gstPay;
QString gstDepay;
QString gstEnc;
QString gstDec;
struct Property {
QString name;
int value;
};
// Use e.g. gst-inspect-1.0 x264enc to find good encoder settings for live streaming
QList<Property> encProps;
};
QXmppCallPrivate(QXmppCall *qq);
~QXmppCallPrivate();
void ssrcActive(uint sessionId, uint ssrc);
void padAdded(GstPad *pad);
GstCaps *ptMap(uint sessionId, uint pt);
bool isFormatSupported(const QString &codecName) const;
void filterGStreamerFormats(QList<GstCodec> &formats);
QXmppCallStream *createStream(const QString &media, const QString &creator, const QString &name);
QXmppCallStream *findStreamByMedia(const QString &media);
QXmppCallStream *findStreamByName(const QString &name);
QXmppCallStream *findStreamById(const int id);
QXmppJingleIq::Content localContent(QXmppCallStream *stream) const;
void handleAck(const QXmppIq &iq);
bool handleDescription(QXmppCallStream *stream, const QXmppJingleIq::Content &content);
void handleRequest(const QXmppJingleIq &iq);
bool handleTransport(QXmppCallStream *stream, const QXmppJingleIq::Content &content);
void setState(QXmppCall::State state);
bool sendAck(const QXmppJingleIq &iq);
bool sendInvite();
bool sendRequest(const QXmppJingleIq &iq);
void terminate(QXmppJingleIq::Reason::Type reasonType);
QXmppCall::Direction direction;
QString jid;
QString ownJid;
QXmppCallManager *manager;
QList<QXmppJingleIq> requests;
QString sid;
QXmppCall::State state;
GstElement *pipeline;
GstElement *rtpbin;
// Media streams
QList<QXmppCallStream *> streams;
int nextId;
// Supported codecs
QList<GstCodec> videoCodecs = {
{ .pt = 100, .name = "H264", .channels = 1, .clockrate = 90000, .gstPay = "rtph264pay", .gstDepay = "rtph264depay", .gstEnc = "x264enc", .gstDec = "avdec_h264", .encProps = { { "tune", 4 }, { "speed-preset", 3 }, { "byte-stream", true }, { "bitrate", 512 } } },
{ .pt = 99, .name = "VP8", .channels = 1, .clockrate = 90000, .gstPay = "rtpvp8pay", .gstDepay = "rtpvp8depay", .gstEnc = "vp8enc", .gstDec = "vp8dec", .encProps = { { "deadline", 20000 }, { "target-bitrate", 512000 } } },
// vp9enc and x265enc seem to be very slow. Give them a lower priority for now.
{ .pt = 102, .name = "H265", .channels = 1, .clockrate = 90000, .gstPay = "rtph265pay", .gstDepay = "rtph265depay", .gstEnc = "x265enc", .gstDec = "avdec_h265", .encProps = { { "tune", 4 }, { "speed-preset", 3 }, { "bitrate", 512 } } },
{ .pt = 101, .name = "VP9", .channels = 1, .clockrate = 90000, .gstPay = "rtpvp9pay", .gstDepay = "rtpvp9depay", .gstEnc = "vp9enc", .gstDec = "vp9dec", .encProps = { { "deadline", 20000 }, { "target-bitrate", 512000 } } }
};
QList<GstCodec> audioCodecs = {
{ .pt = 98, .name = "OPUS", .channels = 2, .clockrate = 48000, .gstPay = "rtpopuspay", .gstDepay = "rtpopusdepay", .gstEnc = "opusenc", .gstDec = "opusdec" },
{ .pt = 98, .name = "OPUS", .channels = 1, .clockrate = 48000, .gstPay = "rtpopuspay", .gstDepay = "rtpopusdepay", .gstEnc = "opusenc", .gstDec = "opusdec" },
{ .pt = 97, .name = "SPEEX", .channels = 1, .clockrate = 48000, .gstPay = "rtpspeexpay", .gstDepay = "rtpspeexdepay", .gstEnc = "speexenc", .gstDec = "speexdec" },
{ .pt = 97, .name = "SPEEX", .channels = 1, .clockrate = 44100, .gstPay = "rtpspeexpay", .gstDepay = "rtpspeexdepay", .gstEnc = "speexenc", .gstDec = "speexdec" },
{ .pt = 96, .name = "AAC", .channels = 2, .clockrate = 48000, .gstPay = "rtpmp4apay", .gstDepay = "rtpmp4adepay", .gstEnc = "avenc_aac", .gstDec = "avdec_aac" },
{ .pt = 96, .name = "AAC", .channels = 2, .clockrate = 44100, .gstPay = "rtpmp4apay", .gstDepay = "rtpmp4adepay", .gstEnc = "avenc_aac", .gstDec = "avdec_aac" },
{ .pt = 96, .name = "AAC", .channels = 1, .clockrate = 48000, .gstPay = "rtpmp4apay", .gstDepay = "rtpmp4adepay", .gstEnc = "avenc_aac", .gstDec = "avdec_aac" },
{ .pt = 96, .name = "AAC", .channels = 1, .clockrate = 44100, .gstPay = "rtpmp4apay", .gstDepay = "rtpmp4adepay", .gstEnc = "avenc_aac", .gstDec = "avdec_aac" },
{ .pt = 8, .name = "PCMA", .channels = 1, .clockrate = 8000, .gstPay = "rtppcmapay", .gstDepay = "rtppcmadepay", .gstEnc = "alawenc", .gstDec = "alawdec" },
{ .pt = 0, .name = "PCMU", .channels = 1, .clockrate = 8000, .gstPay = "rtppcmupay", .gstDepay = "rtppcmudepay", .gstEnc = "mulawenc", .gstDec = "mulawdec" }
};
private:
QXmppCall *q;
};
#endif
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