add output context

src/device/AbstractOutputContext.cpp

@@ -0,0 +1,66 @@
+/******************************************************************************
+ * Copyright (c) 2024 CrSjimo                                                 *
+ *                                                                            *
+ * This file is part of TALCS.                                                *
+ *                                                                            *
+ * TALCS is free software: you can redistribute it and/or modify it under the *
+ * terms of the GNU Lesser General Public License as published by the Free    *
+ * Software Foundation, either version 3 of the License, or (at your option)  *
+ * any later version.                                                         *
+ *                                                                            *
+ * TALCS is distributed in the hope that it will be useful, but WITHOUT ANY   *
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS  *
+ * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for    *
+ * more details.                                                              *
+ *                                                                            *
+ * You should have received a copy of the GNU Lesser General Public License   *
+ * along with TALCS. If not, see <https://www.gnu.org/licenses/>.             *
+ ******************************************************************************/
+
+#include "AbstractOutputContext.h"
+#include "AbstractOutputContext_p.h"
+
+#include <TalcsCore/MixerAudioSource.h>
+#include <TalcsDevice/AudioSourcePlayback.h>
+
+namespace talcs {
+
+    AbstractOutputContext::AbstractOutputContext(QObject *parent) : QObject(parent), d_ptr(new AbstractOutputContextPrivate) {
+        Q_D(AbstractOutputContext);
+        d->q_ptr = this;
+
+        d->preMixer = std::make_unique<MixerAudioSource>();
+        d->controlMixer = std::make_unique<MixerAudioSource>();
+        d->playback = std::make_unique<AudioSourcePlayback>(d->controlMixer.get(), false, false);
+
+        d->controlMixer->addSource(d->preMixer.get());
+    }
+
+    AbstractOutputContext::~AbstractOutputContext() = default;
+
+    AudioDevice *AbstractOutputContext::device() const {
+        Q_D(const AbstractOutputContext);
+        return d->device;
+    }
+
+    AudioSourcePlayback *AbstractOutputContext::playback() const {
+        Q_D(const AbstractOutputContext);
+        return d->playback.get();
+    }
+
+    MixerAudioSource *AbstractOutputContext::controlMixer() const {
+        Q_D(const AbstractOutputContext);
+        return d->controlMixer.get();
+    }
+
+    MixerAudioSource *AbstractOutputContext::preMixer() const {
+        Q_D(const AbstractOutputContext);
+        return d->preMixer.get();
+    }
+
+    void AbstractOutputContext::setDevice(AudioDevice *device) {
+        Q_D(AbstractOutputContext);
+        d->device = device;
+        emit deviceChanged();
+    }
+}

src/device/AbstractOutputContext.h

@@ -0,0 +1,64 @@
+/******************************************************************************
+ * Copyright (c) 2024 CrSjimo                                                 *
+ *                                                                            *
+ * This file is part of TALCS.                                                *
+ *                                                                            *
+ * TALCS is free software: you can redistribute it and/or modify it under the *
+ * terms of the GNU Lesser General Public License as published by the Free    *
+ * Software Foundation, either version 3 of the License, or (at your option)  *
+ * any later version.                                                         *
+ *                                                                            *
+ * TALCS is distributed in the hope that it will be useful, but WITHOUT ANY   *
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS  *
+ * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for    *
+ * more details.                                                              *
+ *                                                                            *
+ * You should have received a copy of the GNU Lesser General Public License   *
+ * along with TALCS. If not, see <https://www.gnu.org/licenses/>.             *
+ ******************************************************************************/
+
+#ifndef TALCS_ABSTRACTOUTPUTCONTEXT_H
+#define TALCS_ABSTRACTOUTPUTCONTEXT_H
+
+#include <QObject>
+
+#include <TalcsDevice/TalcsDeviceGlobal.h>
+
+namespace talcs {
+
+    class AudioDevice;
+    class AudioSourcePlayback;
+
+    class MixerAudioSource;
+
+    class AbstractOutputContextPrivate;
+
+    class TALCSDEVICE_EXPORT AbstractOutputContext : public QObject {
+        Q_OBJECT
+        Q_DECLARE_PRIVATE(AbstractOutputContext)
+    public:
+        ~AbstractOutputContext() override;
+
+        AudioDevice *device() const;
+        AudioSourcePlayback *playback() const;
+        MixerAudioSource *controlMixer() const;
+        MixerAudioSource *preMixer() const;
+
+    signals:
+        void bufferSizeChanged(qint64 bufferSize);
+        void sampleRateChanged(double sampleRate);
+        void deviceChanged();
+
+    protected:
+        explicit AbstractOutputContext(QObject *parent = nullptr);
+
+        void setDevice(AudioDevice *device);
+
+    private:
+        QScopedPointer<AbstractOutputContextPrivate> d_ptr;
+
+    };
+
+} // talcs
+
+#endif //TALCS_ABSTRACTOUTPUTCONTEXT_H

src/device/AbstractOutputContext_p.h

@@ -0,0 +1,40 @@
+/******************************************************************************
+ * Copyright (c) 2024 CrSjimo                                                 *
+ *                                                                            *
+ * This file is part of TALCS.                                                *
+ *                                                                            *
+ * TALCS is free software: you can redistribute it and/or modify it under the *
+ * terms of the GNU Lesser General Public License as published by the Free    *
+ * Software Foundation, either version 3 of the License, or (at your option)  *
+ * any later version.                                                         *
+ *                                                                            *
+ * TALCS is distributed in the hope that it will be useful, but WITHOUT ANY   *
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS  *
+ * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for    *
+ * more details.                                                              *
+ *                                                                            *
+ * You should have received a copy of the GNU Lesser General Public License   *
+ * along with TALCS. If not, see <https://www.gnu.org/licenses/>.             *
+ ******************************************************************************/
+
+#ifndef TALCS_ABSTRACTOUTPUTCONTEXT_P_H
+#define TALCS_ABSTRACTOUTPUTCONTEXT_P_H
+
+#include <memory>
+
+#include <TalcsDevice/AbstractOutputContext.h>
+
+namespace talcs {
+    class AbstractOutputContextPrivate {
+        Q_DECLARE_PUBLIC(AbstractOutputContext)
+    public:
+        AbstractOutputContext *q_ptr;
+
+        std::unique_ptr<MixerAudioSource> preMixer;
+        std::unique_ptr<MixerAudioSource> controlMixer;
+        std::unique_ptr<AudioSourcePlayback> playback;
+        AudioDevice *device = nullptr;
+    };
+}
+
+#endif //TALCS_ABSTRACTOUTPUTCONTEXT_P_H