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oak-editor/app/audio/audiomanager.h
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/***
Olive - Non-Linear Video Editor
Copyright (C) 2021 Olive Team
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
***/
#ifndef AUDIOMANAGER_H
#define AUDIOMANAGER_H
#include <memory>
#include <QtConcurrent/QtConcurrent>
#include <QThread>
#include <portaudio.h>
#include "audiovisualwaveform.h"
#include "common/define.h"
#include "render/audioparams.h"
#include "render/audioplaybackcache.h"
#include "render/previewaudiodevice.h"
namespace olive {
/**
* @brief Audio input and output management class
*
* Wraps around a QAudioOutput and AudioHybridDevice, connecting them together and exposing audio functionality to
* the rest of the system.
*/
class AudioManager : public QObject
{
Q_OBJECT
public:
static void CreateInstance();
static void DestroyInstance();
static AudioManager* instance();
void RefreshDevices();
bool IsRefreshingOutputs();
bool IsRefreshingInputs();
void SetOutputNotifyInterval(int n);
void PushToOutput(const AudioParams &params, const QByteArray& samples);
void ClearBufferedOutput();
void StopOutput();
void SetOutputDevice(PaDeviceIndex device);
void SetInputDevice(PaDeviceIndex device);
signals:
void OutputListReady();
void OutputNotify();
void InputListReady();
private:
AudioManager();
virtual ~AudioManager() override;
static PaSampleFormat GetPortAudioSampleFormat(AudioParams::Format fmt);
void CloseOutputStream();
bool is_refreshing_inputs_;
bool is_refreshing_outputs_;
static AudioManager* instance_;
PaDeviceIndex output_device_;
PaStream *output_stream_;
AudioParams output_params_;
std::unique_ptr<PreviewAudioDevice> output_buffer_;
PaDeviceIndex input_device_;
private slots:
void OutputDevicesRefreshed();
void InputDevicesRefreshed();
};
}
#endif // AUDIOMANAGER_H