118 lines
2.8 KiB
C++
118 lines
2.8 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2022 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 <QtConcurrent/QtConcurrent>
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#include <QThread>
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#include <portaudio.h>
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#include "audiovisualwaveform.h"
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#include "audio/audioprocessor.h"
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#include "common/define.h"
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#include "codec/ffmpeg/ffmpegencoder.h"
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#include "render/audioparams.h"
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#include "render/audioplaybackcache.h"
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#include "render/previewaudiodevice.h"
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namespace olive {
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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 SetOutputNotifyInterval(int n);
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bool PushToOutput(const AudioParams ¶ms, const QByteArray& samples, QString *error = nullptr);
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void ClearBufferedOutput();
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void StopOutput();
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PaDeviceIndex GetOutputDevice() const
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{
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return output_device_;
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}
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PaDeviceIndex GetInputDevice() const
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{
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return input_device_;
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}
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void SetOutputDevice(PaDeviceIndex device);
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void SetInputDevice(PaDeviceIndex device);
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void HardReset();
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bool StartRecording(const EncodingParams ¶ms, QString *error_str = nullptr);
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void StopRecording();
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static PaDeviceIndex FindConfigDeviceByName(bool is_output_device);
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static PaDeviceIndex FindDeviceByName(const QString &s, bool is_output_device);
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static PaStreamParameters GetPortAudioParams(const AudioParams &p, PaDeviceIndex device);
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signals:
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void OutputNotify();
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void OutputParamsChanged();
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private:
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AudioManager();
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virtual ~AudioManager() override;
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static PaSampleFormat GetPortAudioSampleFormat(AudioParams::Format fmt);
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void CloseOutputStream();
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static AudioManager* instance_;
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PaDeviceIndex output_device_;
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PaStream *output_stream_;
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AudioParams output_params_;
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PreviewAudioDevice *output_buffer_;
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PaDeviceIndex input_device_;
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PaStream *input_stream_;
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FFmpegEncoder *input_encoder_;
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};
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}
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#endif // AUDIOMANAGER_H
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