itsmattkc
9e4c79699e
Fixes issue where Viewer node wouldn't pick up correct length if a tracks weren't in use.
92 lines
2.4 KiB
C++
92 lines
2.4 KiB
C++
/***
|
|
|
|
Olive - Non-Linear Video Editor
|
|
Copyright (C) 2019 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 AUDIOHYBRIDDEVICE_H
|
|
#define AUDIOHYBRIDDEVICE_H
|
|
|
|
#include <memory>
|
|
#include <QAudioOutput>
|
|
#include <QBuffer>
|
|
#include <QIODevice>
|
|
#include <QMutex>
|
|
|
|
#include "outputdeviceproxy.h"
|
|
|
|
class AudioOutputManager : public QObject
|
|
{
|
|
Q_OBJECT
|
|
public:
|
|
AudioOutputManager(QObject* parent = nullptr);
|
|
|
|
bool OutputIsSet();
|
|
|
|
/**
|
|
* @brief If enabled, this will emit the SentSamples() signal whenever samples are sent to the output device
|
|
*/
|
|
void SetEnableSendingSamples(bool e);
|
|
|
|
void SetOutputDevice(QAudioDeviceInfo info, QAudioFormat format);
|
|
|
|
void Push(const QByteArray &samples);
|
|
|
|
/**
|
|
* @brief Connect a QIODevice (e.g. QFile) to start sending to the audio output
|
|
*
|
|
* This will clear any pushed samples or QIODevices currently being read and will start reading from this next time
|
|
* the audio output requests data.
|
|
*/
|
|
void PullFromDevice(QIODevice* device, int playback_speed);
|
|
|
|
void ResetToPushMode();
|
|
|
|
void SetParameters(const AudioRenderingParams& params);
|
|
|
|
signals:
|
|
/**
|
|
* @brief Signal emitted when samples are sent to the output device
|
|
*
|
|
* This sends an array of values corresponding to the channel count. Each value is an average of all the samples just
|
|
* sent to that channel. Useful for connecting to AudioMonitor.
|
|
*
|
|
* Can be disabled with SetEnableSendingSamples() to save CPU usage.
|
|
*/
|
|
void SentSamples(QVector<double> averages);
|
|
|
|
void OutputNotified();
|
|
|
|
private:
|
|
void ProcessAverages(const char* data, int length);
|
|
|
|
std::unique_ptr<QAudioOutput> output_;
|
|
QIODevice* push_device_;
|
|
|
|
QByteArray pushed_samples_;
|
|
int pushed_sample_index_;
|
|
|
|
bool enable_sending_samples_;
|
|
|
|
AudioOutputDeviceProxy device_proxy_;
|
|
|
|
private slots:
|
|
void PushMoreSamples();
|
|
};
|
|
|
|
#endif // AUDIOHYBRIDDEVICE_H
|