133 lines
3.1 KiB
C++
133 lines
3.1 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2019 Olive Team
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#ifndef AUDIOMANAGER_H
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#define AUDIOMANAGER_H
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#include <memory>
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#include <QAudioInput>
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#include <QAudioOutput>
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#include <QThread>
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#include "outputmanager.h"
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#include "render/audioparams.h"
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/**
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* @brief A thread for refreshing the total list of devices on the system
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*
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* Refreshing devices causes a noticeable pause in execution. Doing it another thread is intended to avoid this.
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*/
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class AudioRefreshDevicesObject : public QObject {
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Q_OBJECT
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public:
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AudioRefreshDevicesObject();
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const QList<QAudioDeviceInfo>& input_devices();
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const QList<QAudioDeviceInfo>& output_devices();
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public slots:
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void Refresh();
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signals:
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void ListsReady();
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private:
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QList<QAudioDeviceInfo> input_devices_;
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QList<QAudioDeviceInfo> output_devices_;
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};
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/**
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* @brief Audio input and output management class
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*
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* Wraps around a QAudioOutput and AudioHybridDevice, connecting them together and exposing audio functionality to
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* the rest of the system.
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*/
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class AudioManager : public QObject
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{
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Q_OBJECT
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public:
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static void CreateInstance();
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static void DestroyInstance();
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static AudioManager* instance();
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void RefreshDevices();
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bool IsRefreshing();
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void PushToOutput(const QByteArray& samples);
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/**
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* @brief Start playing audio from QIODevice
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*
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* This takes ownership of the QIODevice and will delete it when StopOutput() is called
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*/
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void StartOutput(QIODevice* device, int playback_speed);
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/**
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* @brief Stop audio output immediately
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*/
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void StopOutput();
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void SetOutputDevice(const QAudioDeviceInfo& info);
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void SetOutputParams(const AudioRenderingParams& params);
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void SetInputDevice(const QAudioDeviceInfo& info);
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const QList<QAudioDeviceInfo>& ListInputDevices();
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const QList<QAudioDeviceInfo>& ListOutputDevices();
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static void ReverseBuffer(char* buffer, int size, int resolution);
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signals:
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void DeviceListReady();
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void SentSamples(QVector<double> averages);
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private:
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AudioManager();
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QList<QAudioDeviceInfo> input_devices_;
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QList<QAudioDeviceInfo> output_devices_;
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static AudioManager* instance_;
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AudioOutputManager output_manager_;
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QAudioDeviceInfo output_device_info_;
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AudioRenderingParams output_params_;
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std::unique_ptr<QAudioInput> input_;
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QAudioDeviceInfo input_device_info_;
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QIODevice* input_file_;
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bool refreshing_devices_;
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private slots:
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void RefreshThreadDone();
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void OutputStateChanged(QAudio::State state);
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};
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#endif // AUDIOMANAGER_H
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