From 1e51e36c9de3320848de6dd63ebe660a3a05c74c Mon Sep 17 00:00:00 2001
From: Phil Taylor <phil@m0vse.uk>
Date: Sat, 7 May 2022 10:43:28 +0100
Subject: [PATCH] Backup out of last change

---
 audiohandler.cpp | 22 ++++++++++------------
 audiohandler.h   |  7 ++++---
 2 files changed, 14 insertions(+), 15 deletions(-)

diff --git a/audiohandler.cpp b/audiohandler.cpp
index 1c5927f..2cfafe0 100644
--- a/audiohandler.cpp
+++ b/audiohandler.cpp
@@ -189,10 +189,11 @@ void audioHandler::start()
 	qInfo(logAudio()) << (setup.isinput ? "Input" : "Output") << "start() running";
 
 	if (setup.isinput) {
-		this->open(QIODevice::WriteOnly | QIODevice::Unbuffered);
-		audioInput->start(this);
+		//this->open(QIODevice::WriteOnly);
+		//audioInput->start(this);
+		audioDevice = audioInput->start();
 		connect(audioInput, SIGNAL(destroyed()), audioDevice, SLOT(deleteLater()), Qt::UniqueConnection);
-		//connect(audioDevice, SIGNAL(readyRead()), this, SLOT(getNextAudioChunk()), Qt::UniqueConnection);
+		connect(audioDevice, SIGNAL(readyRead()), this, SLOT(getNextAudioChunk()), Qt::UniqueConnection);
 	}
 	else {
 		// Buffer size must be set before audio is started.
@@ -228,6 +229,7 @@ void audioHandler::stop()
 	audioDevice = Q_NULLPTR;
 }
 
+/*
 qint64 audioHandler::readData(char* data, qint64 nBytes) {
 	return nBytes;
 }
@@ -251,7 +253,7 @@ qint64 audioHandler::writeData(const char* data, qint64 nBytes) {
 
 	return nBytes;
 }
-
+*/
 
 void audioHandler::setVolume(unsigned char volume)
 {
@@ -262,7 +264,7 @@ void audioHandler::setVolume(unsigned char volume)
 
 void audioHandler::incomingAudio(audioPacket packet)
 {
-	QTime startProcessing = QTime::currentTime();
+	//QTime startProcessing = QTime::currentTime();
 
 	packet.volume = volume;
 
@@ -274,22 +276,19 @@ void audioHandler::incomingAudio(audioPacket packet)
 void audioHandler::convertedOutput(audioPacket packet) {
 	
 	currentLatency = packet.time.msecsTo(QTime::currentTime()) + (format.durationForBytes(audioOutput->bufferSize() - audioOutput->bytesFree()) / 1000);
-	if (audioDevice != Q_NULLPTR && audioOutput != Q_NULLPTR) {
+	if (audioDevice != Q_NULLPTR) {
 		audioDevice->write(packet.data);
 		if (lastReceived.msecsTo(QTime::currentTime()) > 100) {
 			qDebug(logAudio()) << (setup.isinput ? "Input" : "Output") << "Time since last audio packet" << lastReceived.msecsTo(QTime::currentTime()) << "Expected around" << setup.blockSize;
 		}
 		lastReceived = QTime::currentTime();
 	}
-
-	/*
-	if ((packet.seq > lastSentSeq + 1) && (setup.codec == 0x40 || setup.codec == 0x80)) {
+	/*if ((packet.seq > lastSentSeq + 1) && (setup.codec == 0x40 || setup.codec == 0x80)) {
 		qDebug(logAudio()) << (setup.isinput ? "Input" : "Output") << "Attempting FEC on packet" << packet.seq << "as last is" << lastSentSeq;
 		lastSentSeq = packet.seq;
 		incomingAudio(packet); // Call myself again to run the packet a second time (FEC)
 	}
 	*/
-
 	lastSentSeq = packet.seq;
 	emit haveLevels(getAmplitude(), setup.latency, currentLatency, isUnderrun);
 
@@ -307,7 +306,7 @@ void audioHandler::getNextAudioChunk()
 		packet.sent = 0;
 		packet.volume = volume;
 		memcpy(&packet.guid, setup.guid, GUIDLEN);
-		QTime startProcessing = QTime::currentTime();
+		//QTime startProcessing = QTime::currentTime();
 		packet.data.clear();
 		packet.data = tempBuf.data.mid(0, format.bytesForDuration(setup.blockSize * 1000));
 		tempBuf.data.remove(0, format.bytesForDuration(setup.blockSize * 1000));
@@ -326,7 +325,6 @@ void audioHandler::convertedInput(audioPacket audio)
 		qDebug(logAudio()) << (setup.isinput ? "Input" : "Output") << "Time since last audio packet" << lastReceived.msecsTo(QTime::currentTime()) << "Expected around" << setup.blockSize ;
 	}
 	lastReceived = QTime::currentTime();
-	//ret = livePacket.data;
 	amplitude = audio.amplitude;
 	emit haveLevels(getAmplitude(), setup.latency, currentLatency, isUnderrun);	
 }
diff --git a/audiohandler.h b/audiohandler.h
index ea2e140..01a512e 100644
--- a/audiohandler.h
+++ b/audiohandler.h
@@ -72,7 +72,8 @@ struct audioSetup {
 };
 
 // For QtMultimedia, use a native QIODevice
-class audioHandler : public QIODevice
+//class audioHandler : public QIODevice
+class audioHandler : public QObject
 {
     Q_OBJECT
 
@@ -111,8 +112,8 @@ signals:
 
 private:
 
-    qint64 readData(char* data, qint64 nBytes);
-    qint64 writeData(const char* data, qint64 nBytes);
+    //qint64 readData(char* data, qint64 nBytes);
+    //qint64 writeData(const char* data, qint64 nBytes);
 
 
     bool            isUnderrun = false;