CLIAudio.hxx

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#pragma once
/*
  Copyright (c) 2026 Matthew H. Reilly (kb1vc)
  All rights reserved.
 
  Redistribution and use in source and binary forms, with or without
  modification, are permitted provided that the following conditions are
  met:
 
  Redistributions of source code must retain the above copyright
  notice, this list of conditions and the following disclaimer.
  Redistributions in binary form must reproduce the above copyright
  notice, this list of conditions and the following disclaimer in
  the documentation and/or other materials provided with the
  distribution.
 
  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

 
#include <QThread>
#include <QAudioDevice>
#include <atomic>
#include <string>
 
namespace SoDaCLI {

  QAudioDevice findOutputDevice(const std::string & name);

  QAudioDevice findInputDevice(const std::string & name);

  void listAudioDevices();
 
  // -------------------------------------------------------------------

  class AudioOutThread : public QThread {
    Q_OBJECT
  public:
    explicit AudioOutThread(const std::string & sockPath,
                            const QAudioDevice & dev,
                            float initVolume = 0.0f,
                            QObject * parent = nullptr);
    ~AudioOutThread();

    void setVolume(float v) { pending_volume.store(v); }

    double getRMS() const { return last_rms.load(); }

    void stopAudio();
 
  protected:
    void run() override;
 
  private:
    std::string sock_path;
    QAudioDevice device;
    std::atomic<float>  pending_volume;
    std::atomic<bool>   stop_flag;
    std::atomic<double> last_rms{-1.0};
  };
 
  // -------------------------------------------------------------------

  class AudioInThread : public QThread {
    Q_OBJECT
  public:
    explicit AudioInThread(const std::string & sockPath,
                           const QAudioDevice & dev,
                           float initGain = 0.0f,
                           QObject * parent = nullptr);
    ~AudioInThread();

    void setGain(float g) { pending_gain.store(g); }

    void stopAudio();
 
  protected:
    void run() override;
 
  private:
    std::string sock_path;
    QAudioDevice device;
    std::atomic<float> pending_gain;
    std::atomic<bool>  stop_flag;
  };
 
  // -------------------------------------------------------------------

  class AudioToneThread : public QThread {
    Q_OBJECT
  public:
    explicit AudioToneThread(const QAudioDevice & dev,
                             QObject * parent = nullptr);
    ~AudioToneThread();

    void stopAudio();
 
  protected:
    void run() override;
 
  private:
    QAudioDevice device;
    std::atomic<bool> stop_flag;
  };
 
} // namespace SoDaCLI