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Ref T730, namespace for BlackCore::Afv

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* added namespace
* removed some *.pri files and added files to blackcore.pro
* added copyright etc.
This commit is contained in:
Klaus Basan
2019-09-19 00:56:54 +02:00
committed by Mat Sutcliffe
parent d064da13b5
commit 384aa3ce19
46 changed files with 2985 additions and 2916 deletions
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169
src/blackcore/afv/audio/output.cpp
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@@ -1,92 +1,111 @@
/* Copyright (C) 2019
* swift project Community / Contributors
*
* This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
* directory of this distribution. No part of swift project, including this file, may be copied, modified, propagated,
* or distributed except according to the terms contained in the LICENSE file.
*/
//! \file
#include "output.h"
#include <QDebug>
#include <cmath>
AudioOutputBuffer::AudioOutputBuffer(ISampleProvider *sampleProvider, QObject *parent) :
QIODevice(parent),
m_sampleProvider(sampleProvider)
{ }
qint64 AudioOutputBuffer::readData(char *data, qint64 maxlen)
namespace BlackCore
{
int sampleBytes = m_outputFormat.sampleSize() / 8;
int channelCount = m_outputFormat.channelCount();
int count = maxlen / ( sampleBytes * channelCount);
QVector<qint16> buffer;
m_sampleProvider->readSamples(buffer, count);
for (const qint16 sample : buffer)
namespace Afv
{
qint16 sampleInput = sample;
sampleInput = qAbs(sampleInput);
if (sampleInput > m_maxSampleOutput)
m_maxSampleOutput = sampleInput;
}
namespace Audio
{
AudioOutputBuffer::AudioOutputBuffer(ISampleProvider *sampleProvider, QObject *parent) :
QIODevice(parent),
m_sampleProvider(sampleProvider)
{ }
m_sampleCount += buffer.size();
if (m_sampleCount >= c_sampleCountPerEvent)
{
OutputVolumeStreamArgs outputVolumeStreamArgs;
qint16 maxInt = std::numeric_limits<qint16>::max();
outputVolumeStreamArgs.PeakRaw = m_maxSampleOutput / maxInt;
outputVolumeStreamArgs.PeakDB = (float)(20 * std::log10(outputVolumeStreamArgs.PeakRaw));
float db = qBound(minDb, outputVolumeStreamArgs.PeakDB, maxDb);
float ratio = (db - minDb) / (maxDb - minDb);
if (ratio < 0.30)
ratio = 0;
if (ratio > 1.0)
ratio = 1;
outputVolumeStreamArgs.PeakVU = ratio;
emit outputVolumeStream(outputVolumeStreamArgs);
m_sampleCount = 0;
m_maxSampleOutput = 0;
}
qint64 AudioOutputBuffer::readData(char *data, qint64 maxlen)
{
int sampleBytes = m_outputFormat.sampleSize() / 8;
int channelCount = m_outputFormat.channelCount();
int count = maxlen / (sampleBytes * channelCount);
QVector<qint16> buffer;
m_sampleProvider->readSamples(buffer, count);
memcpy(data, buffer.constData(), maxlen);
return maxlen;
}
for (const qint16 sample : buffer)
{
qint16 sampleInput = sample;
sampleInput = qAbs(sampleInput);
if (sampleInput > m_maxSampleOutput)
m_maxSampleOutput = sampleInput;
}
qint64 AudioOutputBuffer::writeData(const char *data, qint64 len)
{
Q_UNUSED(data);
Q_UNUSED(len);
return -1;
}
m_sampleCount += buffer.size();
if (m_sampleCount >= c_sampleCountPerEvent)
{
OutputVolumeStreamArgs outputVolumeStreamArgs;
qint16 maxInt = std::numeric_limits<qint16>::max();
outputVolumeStreamArgs.PeakRaw = m_maxSampleOutput / maxInt;
outputVolumeStreamArgs.PeakDB = (float)(20 * std::log10(outputVolumeStreamArgs.PeakRaw));
float db = qBound(minDb, outputVolumeStreamArgs.PeakDB, maxDb);
float ratio = (db - minDb) / (maxDb - minDb);
if (ratio < 0.30)
ratio = 0;
if (ratio > 1.0)
ratio = 1;
outputVolumeStreamArgs.PeakVU = ratio;
emit outputVolumeStream(outputVolumeStreamArgs);
m_sampleCount = 0;
m_maxSampleOutput = 0;
}
Output::Output(QObject *parent) : QObject(parent)
{ }
memcpy(data, buffer.constData(), maxlen);
return maxlen;
}
void Output::start(const QAudioDeviceInfo &device, ISampleProvider *sampleProvider)
{
m_audioOutputBuffer = new AudioOutputBuffer(sampleProvider, this);
connect(m_audioOutputBuffer, &AudioOutputBuffer::outputVolumeStream, this, &Output::outputVolumeStream);
qint64 AudioOutputBuffer::writeData(const char *data, qint64 len)
{
Q_UNUSED(data);
Q_UNUSED(len);
return -1;
}
QAudioFormat outputFormat;
outputFormat.setSampleRate(48000);
outputFormat.setChannelCount(1);
outputFormat.setSampleSize(16);
outputFormat.setSampleType(QAudioFormat::SignedInt);
outputFormat.setByteOrder(QAudioFormat::LittleEndian);
outputFormat.setCodec("audio/pcm");
Output::Output(QObject *parent) : QObject(parent)
{ }
if (!device.isFormatSupported(outputFormat))
{
qWarning() << "Default format not supported - trying to use nearest";
outputFormat = device.nearestFormat(outputFormat);
}
void Output::start(const QAudioDeviceInfo &device, ISampleProvider *sampleProvider)
{
m_audioOutputBuffer = new AudioOutputBuffer(sampleProvider, this);
connect(m_audioOutputBuffer, &AudioOutputBuffer::outputVolumeStream, this, &Output::outputVolumeStream);
m_audioOutputCom1.reset(new QAudioOutput(device, outputFormat));
// m_audioOutput->setBufferSize(bufferSize);
m_audioOutputBuffer->open(QIODevice::ReadWrite | QIODevice::Unbuffered);
m_audioOutputBuffer->setAudioFormat(outputFormat);
m_audioOutputCom1->start(m_audioOutputBuffer);
QAudioFormat outputFormat;
outputFormat.setSampleRate(48000);
outputFormat.setChannelCount(1);
outputFormat.setSampleSize(16);
outputFormat.setSampleType(QAudioFormat::SignedInt);
outputFormat.setByteOrder(QAudioFormat::LittleEndian);
outputFormat.setCodec("audio/pcm");
m_started = true;
}
if (!device.isFormatSupported(outputFormat))
{
qWarning() << "Default format not supported - trying to use nearest";
outputFormat = device.nearestFormat(outputFormat);
}
void Output::stop()
{
if (!m_started) { return; }
m_started = false;
}
m_audioOutputCom1.reset(new QAudioOutput(device, outputFormat));
// m_audioOutput->setBufferSize(bufferSize);
m_audioOutputBuffer->open(QIODevice::ReadWrite | QIODevice::Unbuffered);
m_audioOutputBuffer->setAudioFormat(outputFormat);
m_audioOutputCom1->start(m_audioOutputBuffer);
m_started = true;
}
void Output::stop()
{
if (!m_started) { return; }
m_started = false;
}
} // ns
} // ns
} // ns