67 lines
1.5 KiB
Plaintext
67 lines
1.5 KiB
Plaintext
#ifndef DOUBLEBUFFERPLAYER_H
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#ifndef DOUBLEBUFFERPLAYER_H
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#define DOUBLEBUFFERPLAYER_H
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#include <QObject>
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#include <QMediaPlayer>
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#include <QUrl>
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#include "logger.hpp"
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class DoubleBufferPlayer : public QObject
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{
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Q_OBJECT
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Q_PROPERTY(QObject* videoOutput READ videoOutput WRITE setVideoOutput NOTIFY videoOutputChanged)
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public:
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explicit DoubleBufferPlayer(QObject *parent = nullptr) : QObject(parent)
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{
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m_playerA = new QMediaPlayer(this);
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m_playerB = new QMediaPlayer(this);
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m_activePlayer = m_playerA;
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m_nextPlayer = m_playerB;
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}
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QObject* videoOutput() const { return m_videoOutput; }
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void setVideoOutput(QObject *output)
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{
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if (m_videoOutput != output) {
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m_videoOutput = output;
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if (m_videoOutput) {
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m_activePlayer->setVideoOutput(m_videoOutput);
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}
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emit videoOutputChanged();
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}
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}
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Q_INVOKABLE void prepareNext(const QUrl &url)
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{
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m_nextPlayer->setSource(url);
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}
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Q_INVOKABLE void swapAndPlay()
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{
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if (!m_videoOutput) return;
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m_activePlayer->stop();
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std::swap(m_activePlayer, m_nextPlayer);
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m_activePlayer->setVideoOutput(m_videoOutput);
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m_activePlayer->play();
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}
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signals:
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void videoOutputChanged();
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private:
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QMediaPlayer *m_playerA{nullptr};
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QMediaPlayer *m_playerB{nullptr};
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QMediaPlayer *m_activePlayer{nullptr};
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QMediaPlayer *m_nextPlayer{nullptr};
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QObject *m_videoOutput{nullptr};
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};
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#endif
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