itsmattkc
412a6dfdc2
macOS audio playback failed due to audio being processed in the main thread. Now all audio playback has been placed into its own high priority thread to always keep up better with the operating system's demands.
90 lines
2.1 KiB
C++
90 lines
2.1 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 AUDIOHYBRIDDEVICE_H
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#define AUDIOHYBRIDDEVICE_H
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#include <memory>
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#include <QAudioOutput>
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#include <QBuffer>
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#include <QIODevice>
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#include <QMutex>
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#include <QThread>
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#include "outputdeviceproxy.h"
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OLIVE_NAMESPACE_ENTER
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class AudioOutputManager : public QObject
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{
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Q_OBJECT
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public:
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AudioOutputManager(QObject* parent = nullptr);
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virtual ~AudioOutputManager() override;
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// Thread-safe
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void Push(const QByteArray &samples);
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public slots:
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// Queued
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void SetOutputDevice(QAudioDeviceInfo info, QAudioFormat format);
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/**
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* @brief Connect a QIODevice (e.g. QFile) to start sending to the audio output
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*
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* This will clear any pushed samples or QIODevices currently being read and will start reading from this next time
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* the audio output requests data.
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*/
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void PullFromDevice(const QString &filename, qint64 offset, int playback_speed);
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// Queued
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void ResetToPushMode();
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// Queued
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void SetParameters(OLIVE_NAMESPACE::AudioRenderingParams params);
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// Queued
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void Close();
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signals:
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void OutputNotified();
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private:
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QAudioOutput* output_;
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QIODevice* push_device_;
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QMutex push_sample_lock_;
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QByteArray push_samples_;
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int push_sample_index_;
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AudioOutputDeviceProxy device_proxy_;
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private slots:
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void PushMoreSamples();
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void OutputStateChanged(QAudio::State state);
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};
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OLIVE_NAMESPACE_EXIT
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#endif // AUDIOHYBRIDDEVICE_H
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