mirror
/
wfview
kopia lustrzana https://gitlab.com/eliggett/wfview
1
0
Forkuj 0
Kod Zgłoszenia Projekty Wydania Wiki Aktywność
wfview/udpaudio.cpp

302 wiersze
9.3 KiB
C++
Czysty Bezpośredni odnośnik Wina Historia

#include "udpaudio.h"
#include "logcategories.h"
// Audio stream
udpAudio::udpAudio(QHostAddress local, QHostAddress ip, quint16 audioPort, quint16 lport, audioSetup rxSetup, audioSetup txSetup)
{
qInfo(logUdp()) << "Starting udpAudio";
this->localIP = local;
this->port = audioPort;
this->radioIP = ip;
this->rxSetup = rxSetup;
this->txSetup = txSetup;
if (txSetup.sampleRate == 0) {
enableTx = false;
}
init(lport); // Perform connection
QUdpSocket::connect(udp, &QUdpSocket::readyRead, this, &udpAudio::dataReceived);
startAudio();
watchdogTimer = new QTimer();
connect(watchdogTimer, &QTimer::timeout, this, &udpAudio::watchdog);
watchdogTimer->start(WATCHDOG_PERIOD);
areYouThereTimer = new QTimer();
connect(areYouThereTimer, &QTimer::timeout, this, std::bind(&udpBase::sendControl, this, false, 0x03, 0));
areYouThereTimer->start(AREYOUTHERE_PERIOD);
}
udpAudio::~udpAudio()
{
if (pingTimer != Q_NULLPTR)
{
qDebug(logUdp()) << "Stopping pingTimer";
pingTimer->stop();
delete pingTimer;
pingTimer = Q_NULLPTR;
}
if (idleTimer != Q_NULLPTR)
{
qDebug(logUdp()) << "Stopping idleTimer";
idleTimer->stop();
delete idleTimer;
idleTimer = Q_NULLPTR;
}
if (watchdogTimer != Q_NULLPTR)
{
qDebug(logUdp()) << "Stopping watchdogTimer";
watchdogTimer->stop();
delete watchdogTimer;
watchdogTimer = Q_NULLPTR;
}
if (rxAudioThread != Q_NULLPTR) {
qDebug(logUdp()) << "Stopping rxaudio thread";
rxAudioThread->quit();
rxAudioThread->wait();
}
if (txAudioThread != Q_NULLPTR) {
qDebug(logUdp()) << "Stopping txaudio thread";
txAudioThread->quit();
txAudioThread->wait();
}
qDebug(logUdp()) << "udpHandler successfully closed";
}
void udpAudio::watchdog()
{
static bool alerted = false;
if (lastReceived.msecsTo(QTime::currentTime()) > 2000)
{
if (!alerted) {
/* Just log it at the moment, maybe try signalling the control channel that it needs to
try requesting civ/audio again? */
qInfo(logUdp()) << " Audio Watchdog: no audio data received for 2s, restart required?";
alerted = true;
if (rxAudioThread != Q_NULLPTR) {
qDebug(logUdp()) << "Stopping rxaudio thread";
rxAudioThread->quit();
rxAudioThread->wait();
rxAudioThread = Q_NULLPTR;
rxaudio = Q_NULLPTR;
}
if (txAudioThread != Q_NULLPTR) {
qDebug(logUdp()) << "Stopping txaudio thread";
txAudioThread->quit();
txAudioThread->wait();
txAudioThread = Q_NULLPTR;
txaudio = Q_NULLPTR;
}
}
}
else
{
alerted = false;
}
}
void udpAudio::sendTxAudio()
{
if (txaudio == Q_NULLPTR) {
return;
}
}
void udpAudio::receiveAudioData(audioPacket audio) {
// I really can't see how this could be possible but a quick sanity check!
if (txaudio == Q_NULLPTR) {
return;
}
if (audio.data.length() > 0) {
int counter = 1;
int len = 0;
while (len < audio.data.length()) {
QByteArray partial = audio.data.mid(len, 1364);
audio_packet p;
memset(p.packet, 0x0, sizeof(p)); // We can't be sure it is initialized with 0x00!
p.len = (quint32)sizeof(p) + partial.length();
p.sentid = myId;
p.rcvdid = remoteId;
if (partial.length() == 0xa0) {
p.ident = 0x9781;
}
else {
p.ident = 0x0080; // TX audio is always this?
}
p.datalen = (quint16)qToBigEndian((quint16)partial.length());
p.sendseq = (quint16)qToBigEndian((quint16)sendAudioSeq); // THIS IS BIG ENDIAN!
QByteArray tx = QByteArray::fromRawData((const char*)p.packet, sizeof(p));
tx.append(partial);
len = len + partial.length();
//qInfo(logUdp()) << "Sending audio packet length: " << tx.length();
sendTrackedPacket(tx);
sendAudioSeq++;
counter++;
}
}
}
void udpAudio::changeLatency(quint16 value)
{
emit haveChangeLatency(value);
}
void udpAudio::setVolume(unsigned char value)
{
emit haveSetVolume(value);
}
void udpAudio::getRxLevels(quint16 amplitudePeak, quint16 amplitudeRMS, quint16 latency, quint16 current, bool under, bool over) {
emit haveRxLevels(amplitudePeak, amplitudeRMS, latency, current, under, over);
}
void udpAudio::getTxLevels(quint16 amplitudePeak, quint16 amplitudeRMS, quint16 latency, quint16 current, bool under, bool over) {
emit haveTxLevels(amplitudePeak, amplitudeRMS, latency, current, under, over);
}
void udpAudio::dataReceived()
{
while (udp->hasPendingDatagrams()) {
QNetworkDatagram datagram = udp->receiveDatagram();
//qInfo(logUdp()) << "Received: " << datagram.data().mid(0,10);
QByteArray r = datagram.data();
switch (r.length())
{
case (16): // Response to control packet handled in udpBase
{
//control_packet_t in = (control_packet_t)r.constData();
break;
}
default:
{
/* Audio packets start as follows:
PCM 16bit and PCM8/uLAW stereo: 0x44,0x02 for first packet and 0x6c,0x05 for second.
uLAW 8bit/PCM 8bit 0xd8,0x03 for all packets
PCM 16bit stereo 0x6c,0x05 first & second 0x70,0x04 third
*/
control_packet_t in = (control_packet_t)r.constData();
if (in->type != 0x01 && in->len >= 0x20) {
if (in->seq == 0)
{
// Seq number has rolled over.
seqPrefix++;
}
// 0xac is the smallest possible audio packet.
lastReceived = QTime::currentTime();
audioPacket tempAudio;
tempAudio.seq = (quint32)seqPrefix << 16 | in->seq;
tempAudio.time = lastReceived;
tempAudio.sent = 0;
tempAudio.data = r.mid(0x18);
// Prefer signal/slot to forward audio as it is thread/safe
// Need to do more testing but latency appears fine.
//rxaudio->incomingAudio(tempAudio);
if (rxAudioThread == Q_NULLPTR)
{
startAudio();
}
emit haveAudioData(tempAudio);
}
break;
}
}
udpBase::dataReceived(r); // Call parent function to process the rest.
r.clear();
datagram.clear();
}
}
void udpAudio::startAudio() {
if (rxSetup.type == qtAudio) {
rxaudio = new audioHandler();
}
else if (rxSetup.type == portAudio) {
rxaudio = new paHandler();
}
else if (rxSetup.type == rtAudio) {
rxaudio = new rtHandler();
}
else
{
qCritical(logAudio()) << "Unsupported Receive Audio Handler selected!";
}
rxAudioThread = new QThread(this);
rxAudioThread->setObjectName("rxAudio()");
rxaudio->moveToThread(rxAudioThread);
rxAudioThread->start(QThread::TimeCriticalPriority);
connect(this, SIGNAL(setupRxAudio(audioSetup)), rxaudio, SLOT(init(audioSetup)));
// signal/slot not currently used.
connect(this, SIGNAL(haveAudioData(audioPacket)), rxaudio, SLOT(incomingAudio(audioPacket)));
connect(this, SIGNAL(haveChangeLatency(quint16)), rxaudio, SLOT(changeLatency(quint16)));
connect(this, SIGNAL(haveSetVolume(unsigned char)), rxaudio, SLOT(setVolume(unsigned char)));
connect(rxaudio, SIGNAL(haveLevels(quint16, quint16, quint16, quint16, bool, bool)), this, SLOT(getRxLevels(quint16, quint16, quint16, quint16, bool, bool)));
connect(rxAudioThread, SIGNAL(finished()), rxaudio, SLOT(deleteLater()));
sendControl(false, 0x03, 0x00); // First connect packet
pingTimer = new QTimer();
connect(pingTimer, &QTimer::timeout, this, &udpBase::sendPing);
pingTimer->start(PING_PERIOD); // send ping packets every 100ms
if (enableTx) {
if (txSetup.type == qtAudio) {
txaudio = new audioHandler();
}
else if (txSetup.type == portAudio) {
txaudio = new paHandler();
}
else if (txSetup.type == rtAudio) {
txaudio = new rtHandler();
}
else
{
qCritical(logAudio()) << "Unsupported Transmit Audio Handler selected!";
}
txAudioThread = new QThread(this);
rxAudioThread->setObjectName("txAudio()");
txaudio->moveToThread(txAudioThread);
txAudioThread->start(QThread::TimeCriticalPriority);
connect(this, SIGNAL(setupTxAudio(audioSetup)), txaudio, SLOT(init(audioSetup)));
connect(txaudio, SIGNAL(haveAudioData(audioPacket)), this, SLOT(receiveAudioData(audioPacket)));
connect(txaudio, SIGNAL(haveLevels(quint16, quint16, quint16, quint16, bool, bool)), this, SLOT(getTxLevels(quint16, quint16, quint16, quint16, bool, bool)));
connect(txAudioThread, SIGNAL(finished()), txaudio, SLOT(deleteLater()));
emit setupTxAudio(txSetup);
}
emit setupRxAudio(rxSetup);
}
Reference in New Issue View Git Blame Kopiuj bezpośredni odnośnik