mirror of https://github.com/saitohirga/WSJT-X.git
121 lines
2.6 KiB
C++
121 lines
2.6 KiB
C++
#include "soundin.h"
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#include <QAudioDeviceInfo>
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#include <QAudioFormat>
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#include <QAudioInput>
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#include <QDebug>
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bool SoundInput::audioError () const
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{
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bool result (true);
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Q_ASSERT_X (m_stream, "SoundInput", "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 input 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 read from the audio input 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 input 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 input 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 SoundInput::start(QAudioDeviceInfo const& device, unsigned channels, int framesPerBuffer, QIODevice * sink)
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{
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Q_ASSERT (0 < channels && channels < 3);
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Q_ASSERT (sink);
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stop();
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QAudioFormat format (device.preferredFormat());
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format.setChannelCount (channels);
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format.setCodec ("audio/pcm");
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format.setSampleRate (12000);
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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 input audio format is not valid."));
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return false;
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}
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// this function lies!
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// if (!device.isFormatSupported (format))
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// {
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// Q_EMIT error (tr ("Requested input 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 QAudioInput (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(), &QAudioInput::stateChanged, this, &SoundInput::handleStateChanged);
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m_stream->setBufferSize (m_stream->format ().bytesForFrames (framesPerBuffer));
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m_stream->start (sink);
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return audioError () ? false : true;
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}
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void SoundInput::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:
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Q_EMIT status (tr ("Idle"));
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break;
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case QAudio::ActiveState:
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Q_EMIT status (tr ("Receiving"));
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break;
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case QAudio::SuspendedState:
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Q_EMIT status (tr ("Suspended"));
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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 SoundInput::stop()
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{
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if (m_stream)
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{
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m_stream->stop ();
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}
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m_stream.reset ();
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}
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SoundInput::~SoundInput ()
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{
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}
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