itsmattkc
3ffb2fde1c
Since we have these now, may as well use them. This should improve general playback performance since the audio monitor will be able to iterate far fewer
140 lines
3.2 KiB
C++
140 lines
3.2 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2020 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 <QtConcurrent/QtConcurrent>
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#include <QThread>
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#include "audiovisualwaveform.h"
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#include "common/define.h"
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#include "outputmanager.h"
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#include "render/audioparams.h"
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#include "render/audioplaybackcache.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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enum Backend {
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kAudioBackendQt,
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kAudioBackendCount
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};
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static QString GetAudioBackendName(Backend b);
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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 IsRefreshingOutputs();
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bool IsRefreshingInputs();
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void PushToOutput(const QByteArray& samples);
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/**
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* @brief Start playing audio from AudioPlaybackCache
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*/
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void StartOutput(AudioPlaybackCache* cache, qint64 offset, 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 AudioParams& 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 OutputListReady();
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void InputListReady();
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void OutputNotified();
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void OutputDeviceStarted(AudioPlaybackCache* cache, qint64 offset, int playback_speed);
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void OutputWaveformStarted(const AudioVisualWaveform* waveform, const rational &start, int playback_speed);
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void AudioParamsChanged(const AudioParams& params);
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void OutputPushed(const QByteArray& data);
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void Stopped();
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private:
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AudioManager();
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virtual ~AudioManager() override;
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QList<QAudioDeviceInfo> input_devices_;
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QList<QAudioDeviceInfo> output_devices_;
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bool is_refreshing_inputs_;
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bool is_refreshing_outputs_;
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static AudioManager* instance_;
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QThread output_thread_;
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AudioOutputManager* output_manager_;
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bool output_is_set_;
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QAudioDeviceInfo output_device_info_;
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AudioParams 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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private slots:
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void OutputDevicesRefreshed();
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void InputDevicesRefreshed();
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};
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}
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#endif // AUDIOMANAGER_H
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