mirror of
https://github.com/saitohirga/WSJT-X.git
synced 2025-10-29 20:10:28 -04:00
398 lines
14 KiB
C++
398 lines
14 KiB
C++
#include <iostream>
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#include <exception>
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#include <stdexcept>
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#include <string>
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#include <memory>
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#include <locale.h>
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#include <QCoreApplication>
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#include <QTextStream>
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#include <QCommandLineParser>
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#include <QCommandLineOption>
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#include <QStringList>
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#include <QFileInfo>
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#include <QAudioFormat>
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#include <QAudioDeviceInfo>
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#include <QAudioInput>
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#include <QAudioOutput>
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#include <QTimer>
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#include <QDateTime>
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#include <QDebug>
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#include "revision_utils.hpp"
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#include "Audio/BWFFile.hpp"
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namespace
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{
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QTextStream qtout {stdout};
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}
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class Record final
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: public QObject
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{
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Q_OBJECT;
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public:
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Record (int start, int duration, QAudioDeviceInfo const& source_device, BWFFile * output, int notify_interval, int buffer_size)
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: source_ {source_device, output->format ()}
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, notify_interval_ {notify_interval}
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, output_ {output}
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, duration_ {duration}
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{
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if (buffer_size) source_.setBufferSize (output_->format ().bytesForFrames (buffer_size));
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if (notify_interval_)
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{
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source_.setNotifyInterval (notify_interval);
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connect (&source_, &QAudioInput::notify, this, &Record::notify);
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}
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if (start == -1)
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{
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start_recording ();
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}
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else
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{
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auto now = QDateTime::currentDateTimeUtc ();
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auto time = now.time ();
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auto then = now;
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then.setTime (QTime {time.hour (), time.minute (), start});
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auto delta_ms = (now.msecsTo (then) + (60 * 1000)) % (60 * 1000);
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QTimer::singleShot (int (delta_ms), Qt::PreciseTimer, this, &Record::start_recording);
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}
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}
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Q_SIGNAL void done ();
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private:
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Q_SLOT void start_recording ()
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{
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qtout << "started recording at " << QDateTime::currentDateTimeUtc ().toString ("hh:mm:ss.zzz UTC") << endl;
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source_.start (output_);
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if (!notify_interval_) QTimer::singleShot (duration_ * 1000, Qt::PreciseTimer, this, &Record::stop_recording);
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qtout << QString {"buffer size used is: %1"}.arg (source_.bufferSize ()) << endl;
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}
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Q_SLOT void notify ()
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{
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auto length = source_.elapsedUSecs ();
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qtout << QString {"%1 μs recorded\r"}.arg (length) << flush;
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if (length >= duration_ * 1000 * 1000) stop_recording ();
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}
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Q_SLOT void stop_recording ()
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{
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auto length = source_.elapsedUSecs ();
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source_.stop ();
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qtout << QString {"%1 μs recorded "}.arg (length) << '(' << source_.format ().framesForBytes (output_->size ()) << " frames recorded)\n";
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qtout << "stopped recording at " << QDateTime::currentDateTimeUtc ().toString ("hh:mm:ss.zzz UTC") << endl;
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Q_EMIT done ();
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}
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QAudioInput source_;
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int notify_interval_;
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BWFFile * output_;
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int duration_;
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};
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class Playback final
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: public QObject
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{
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Q_OBJECT;
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public:
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Playback (int start, BWFFile * input, QAudioDeviceInfo const& sink_device, int notify_interval, int buffer_size, QString const& category)
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: input_ {input}
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, sink_ {sink_device, input->format ()}
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, notify_interval_ {notify_interval}
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{
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if (buffer_size) sink_.setBufferSize (input_->format ().bytesForFrames (buffer_size));
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if (category.size ()) sink_.setCategory (category);
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if (notify_interval_)
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{
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sink_.setNotifyInterval (notify_interval);
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connect (&sink_, &QAudioOutput::notify, this, &Playback::notify);
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}
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connect (&sink_, &QAudioOutput::stateChanged, this, &Playback::sink_state_changed);
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if (start == -1)
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{
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start_playback ();
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}
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else
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{
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auto now = QDateTime::currentDateTimeUtc ();
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auto time = now.time ();
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auto then = now;
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then.setTime (QTime {time.hour (), time.minute (), start});
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auto delta_ms = (now.msecsTo (then) + (60 * 1000)) % (60 * 1000);
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QTimer::singleShot (int (delta_ms), Qt::PreciseTimer, this, &Playback::start_playback);
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}
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}
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Q_SIGNAL void done ();
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private:
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Q_SLOT void start_playback ()
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{
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qtout << "started playback at " << QDateTime::currentDateTimeUtc ().toString ("hh:mm:ss.zzz UTC") << endl;
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sink_.start (input_);
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qtout << QString {"buffer size used is: %1 (%2 frames)"}.arg (sink_.bufferSize ()).arg (sink_.format ().framesForBytes (sink_.bufferSize ())) << endl;
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}
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Q_SLOT void notify ()
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{
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auto length = sink_.elapsedUSecs ();
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qtout << QString {"%1 μs rendered\r"}.arg (length) << flush;
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}
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Q_SLOT void sink_state_changed (QAudio::State state)
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{
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switch (state)
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{
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case QAudio::ActiveState:
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qtout << "\naudio output state changed to active\n";
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break;
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case QAudio::SuspendedState:
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qtout << "\naudio output state changed to suspended\n";
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break;
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case QAudio::StoppedState:
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qtout << "\naudio output state changed to stopped\n";
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break;
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case QAudio::IdleState:
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stop_playback ();
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qtout << "\naudio output state changed to idle\n";
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break;
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#if QT_VERSION >= QT_VERSION_CHECK (5, 10, 0)
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case QAudio::InterruptedState:
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qtout << "\naudio output state changed to interrupted\n";
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break;
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#endif
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}
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}
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Q_SLOT void stop_playback ()
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{
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auto length = sink_.elapsedUSecs ();
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sink_.stop ();
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qtout << QString {"%1 μs rendered "}.arg (length) << '(' << sink_.format ().framesForBytes (input_->size ()) << " frames rendered)\n";
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qtout << "stopped playback at " << QDateTime::currentDateTimeUtc ().toString ("hh:mm:ss.zzz UTC") << endl;
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Q_EMIT done ();
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}
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BWFFile * input_;
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QAudioOutput sink_;
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int notify_interval_;
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};
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#include "record_time_signal.moc"
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int main(int argc, char *argv[])
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{
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QCoreApplication app {argc, argv};
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try
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{
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::setlocale (LC_NUMERIC, "C"); // ensure number forms are in
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// consistent format, do this
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// after instantiating
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// QApplication so that Qt has
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// correct l18n
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// Override programs executable basename as application name.
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app.setApplicationName ("WSJT-X Record Time Signal");
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app.setApplicationVersion (version ());
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QCommandLineParser parser;
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parser.setApplicationDescription (
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"\nTool to determine and experiment with QAudioInput latencies\n\n"
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"\tUse the -I option to list available recording device numbers\n"
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);
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auto help_option = parser.addHelpOption ();
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auto version_option = parser.addVersionOption ();
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parser.addOptions ({
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{{"I", "list-audio-inputs"},
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app.translate ("main", "List the available audio input devices")},
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{{"O", "list-audio-outputs"},
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app.translate ("main", "List the available audio output devices")},
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{{"s", "start-time"},
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app.translate ("main", "Record from <start-time> seconds, default start immediately"),
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app.translate ("main", "start-time")},
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{{"d", "duration"},
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app.translate ("main", "Recording <duration> seconds"),
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app.translate ("main", "duration")},
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{{"o", "output"},
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app.translate ("main", "Save output as <output-file>"),
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app.translate ("main", "output-file")},
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{{"i", "input"},
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app.translate ("main", "Playback <input-file>"),
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app.translate ("main", "input-file")},
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{{"f", "force"},
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app.translate ("main", "Overwrite existing file")},
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{{"r", "sample-rate"},
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app.translate ("main", "Record at <sample-rate>, default 48000 Hz"),
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app.translate ("main", "sample-rate")},
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{{"c", "num-channels"},
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app.translate ("main", "Record <num> channels, default 2"),
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app.translate ("main", "num")},
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{{"R", "recording-device-number"},
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app.translate ("main", "Record from <device-number>"),
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app.translate ("main", "device-number")},
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{{"P", "playback-device-number"},
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app.translate ("main", "Playback to <device-number>"),
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app.translate ("main", "device-number")},
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{{"C", "category"},
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app.translate ("main", "Playback <category-name>"),
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app.translate ("main", "category-name")},
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{{"n", "notify-interval"},
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app.translate ("main", "use notify signals every <interval> milliseconds, zero to use a timer"),
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app.translate ("main", "interval")},
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{{"b", "buffer-size"},
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app.translate ("main", "audio buffer size <frames>"),
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app.translate ("main", "frames")},
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});
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parser.process (app);
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auto input_devices = QAudioDeviceInfo::availableDevices (QAudio::AudioInput);
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if (parser.isSet ("I"))
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{
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int n {0};
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for (auto const& device : input_devices)
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{
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qtout << ++n << " - [" << device.deviceName () << ']' << endl;
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}
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return 0;
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}
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auto output_devices = QAudioDeviceInfo::availableDevices (QAudio::AudioOutput);
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if (parser.isSet ("O"))
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{
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int n {0};
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for (auto const& device : output_devices)
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{
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qtout << ++n << " - [" << device.deviceName () << ']' << endl;
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}
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return 0;
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}
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bool ok;
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int start {-1};
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if (parser.isSet ("s"))
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{
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start = parser.value ("s").toInt (&ok);
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if (!ok) throw std::invalid_argument {"start time not a number"};
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if (0 > start || start > 59) throw std::invalid_argument {"0 > start > 59"};
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}
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int sample_rate {48000};
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if (parser.isSet ("r"))
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{
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sample_rate = parser.value ("r").toInt (&ok);
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if (!ok) throw std::invalid_argument {"sample rate not a number"};
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}
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int num_channels {2};
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if (parser.isSet ("c"))
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{
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num_channels = parser.value ("c").toInt (&ok);
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if (!ok) throw std::invalid_argument {"channel count not a number"};
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}
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int notify_interval {0};
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if (parser.isSet ("n"))
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{
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notify_interval = parser.value ("n").toInt (&ok);
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if (!ok) throw std::invalid_argument {"notify interval not a number"};
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}
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int buffer_size {0};
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if (parser.isSet ("b"))
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{
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buffer_size = parser.value ("b").toInt (&ok);
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if (!ok) throw std::invalid_argument {"buffer size not a number"};
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}
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int input_device {0};
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if (parser.isSet ("R"))
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{
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input_device = parser.value ("R").toInt (&ok);
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if (!ok || 0 >= input_device || input_device > input_devices.size ())
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{
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throw std::invalid_argument {"invalid recording device"};
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}
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}
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int output_device {0};
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if (parser.isSet ("P"))
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{
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output_device = parser.value ("P").toInt (&ok);
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if (!ok || 0 >= output_device || output_device > output_devices.size ())
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{
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throw std::invalid_argument {"invalid playback device"};
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}
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}
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if (!(parser.isSet ("o") || parser.isSet ("i"))) throw std::invalid_argument {"file required"};
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if (parser.isSet ("o") && parser.isSet ("i")) throw std::invalid_argument {"specify either input or output"};
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QAudioFormat audio_format;
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if (parser.isSet ("o")) // Record
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{
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int duration = parser.value ("d").toInt (&ok);
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if (!ok) throw std::invalid_argument {"duration not a number"};
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QFileInfo ofi {parser.value ("o")};
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if (!ofi.suffix ().size () && ofi.fileName ()[ofi.fileName ().size () - 1] != QChar {'.'})
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{
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ofi.setFile (ofi.filePath () + ".wav");
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}
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if (!parser.isSet ("f") && ofi.isFile ())
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{
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throw std::invalid_argument {"set the `-force' option to overwrite an existing output file"};
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}
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audio_format.setSampleRate (sample_rate);
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audio_format.setChannelCount (num_channels);
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audio_format.setSampleSize (16);
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audio_format.setSampleType (QAudioFormat::SignedInt);
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audio_format.setCodec ("audio/pcm");
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auto source = input_device ? input_devices[input_device - 1] : QAudioDeviceInfo::defaultInputDevice ();
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if (!source.isFormatSupported (audio_format))
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{
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qtout << "warning, requested format not supported, using nearest" << endl;
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audio_format = source.nearestFormat (audio_format);
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}
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BWFFile output_file {audio_format, ofi.filePath ()};
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if (!output_file.open (BWFFile::WriteOnly)) throw std::invalid_argument {QString {"cannot open output file \"%1\""}.arg (ofi.filePath ()).toStdString ()};
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// run the application
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Record record {start, duration, source, &output_file, notify_interval, buffer_size};
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QObject::connect (&record, &Record::done, &app, &QCoreApplication::quit);
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return app.exec();
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}
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else // Playback
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{
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QFileInfo ifi {parser.value ("i")};
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if (!ifi.isFile () && !ifi.suffix ().size () && ifi.fileName ()[ifi.fileName ().size () - 1] != QChar {'.'})
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{
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ifi.setFile (ifi.filePath () + ".wav");
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}
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BWFFile input_file {audio_format, ifi.filePath ()};
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if (!input_file.open (BWFFile::ReadOnly)) throw std::invalid_argument {QString {"cannot open input file \"%1\""}.arg (ifi.filePath ()).toStdString ()};
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auto sink = output_device ? output_devices[output_device - 1] : QAudioDeviceInfo::defaultOutputDevice ();
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if (!sink.isFormatSupported (input_file.format ()))
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{
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throw std::invalid_argument {"audio output device does not support input file audio format"};
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}
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// run the application
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Playback play {start, &input_file, sink, notify_interval, buffer_size, parser.value ("category")};
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QObject::connect (&play, &Playback::done, &app, &QCoreApplication::quit);
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return app.exec();
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}
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}
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catch (std::exception const& e)
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{
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std::cerr << "Error: " << e.what () << '\n';
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}
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catch (...)
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{
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std::cerr << "Unexpected fatal error\n";
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throw; // hoping the runtime might tell us more about the exception
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}
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return -1;
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}
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