mirror of https://github.com/saitohirga/WSJT-X.git
113 lines
2.4 KiB
C++
113 lines
2.4 KiB
C++
#include "soundout.h"
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#include <QDateTime>
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#include <QAudioDeviceInfo>
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#include <QAudioOutput>
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#include <QDebug>
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bool SoundOutput::audioError () const
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{
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bool result (true);
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Q_ASSERT_X (m_stream, "SoundOutput", "programming error");
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if (m_stream)
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{
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switch (m_stream->error ())
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{
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case QAudio::OpenError:
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Q_EMIT error (tr ("An error opening the audio output device has occurred."));
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break;
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case QAudio::IOError:
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Q_EMIT error (tr ("An error occurred during write to the audio output device."));
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break;
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case QAudio::UnderrunError:
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Q_EMIT error (tr ("Audio data not being fed to the audio output device fast enough."));
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break;
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case QAudio::FatalError:
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Q_EMIT error (tr ("Non-recoverable error, audio output device not usable at this time."));
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break;
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case QAudio::NoError:
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result = false;
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break;
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}
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}
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return result;
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}
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bool SoundOutput::start(QAudioDeviceInfo const& device, QIODevice * source)
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{
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Q_ASSERT (source);
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stop();
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QAudioFormat format (device.preferredFormat());
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format.setChannelCount (1);
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format.setCodec ("audio/pcm");
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format.setSampleRate (48000);
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format.setSampleType (QAudioFormat::SignedInt);
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format.setSampleSize (16);
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if (!format.isValid ())
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{
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Q_EMIT error (tr ("Requested output audio format is not valid."));
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return false;
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}
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if (!device.isFormatSupported (format))
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{
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Q_EMIT error (tr ("Requested output audio format is not supported on device."));
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return false;
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}
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m_stream.reset (new QAudioOutput (device, format, this));
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if (audioError ())
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{
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return false;
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}
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connect (m_stream.data(), &QAudioOutput::stateChanged, this, &SoundOutput::handleStateChanged);
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m_stream->setBufferSize(48000);
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m_stream->start (source);
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if (audioError ()) // start the input stream
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{
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return false;
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}
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m_active = true;
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return true;
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}
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void SoundOutput::handleStateChanged (QAudio::State newState) const
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{
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switch (newState)
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{
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case QAudio::IdleState: Q_EMIT status (tr ("Idle")); break;
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case QAudio::ActiveState: Q_EMIT status (tr ("Sending")); break;
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case QAudio::SuspendedState: Q_EMIT status (tr ("Suspended")); break;
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case QAudio::StoppedState:
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if (audioError ())
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{
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Q_EMIT status (tr ("Error"));
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}
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else
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{
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Q_EMIT status (tr ("Stopped"));
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}
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break;
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}
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}
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void SoundOutput::stop()
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{
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m_stream.reset ();
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m_active = false;
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}
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SoundOutput::~SoundOutput()
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{
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stop ();
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}
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