qt6-bb10/qtmultimedia/examples/multimedia/player/player.h

110 lines
2.7 KiB
C++

// Copyright (C) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#ifndef PLAYER_H
#define PLAYER_H
#include "qmediaplaylist.h"
#include <QMediaMetaData>
#include <QMediaPlayer>
#include <QMediaDevices>
#include <QWidget>
QT_BEGIN_NAMESPACE
class QAbstractItemView;
class QLabel;
class QMediaPlayer;
class QModelIndex;
class QPushButton;
class QComboBox;
class QSlider;
class QStatusBar;
class QVideoWidget;
class QAudioBufferOutput;
QT_END_NAMESPACE
class PlaylistModel;
class AudioLevelMeter;
class Player : public QWidget
{
Q_OBJECT
public:
explicit Player(QWidget *parent = nullptr);
~Player() = default;
bool isPlayerAvailable() const;
void addToPlaylist(const QList<QUrl> &urls);
signals:
void fullScreenChanged(bool fullScreen);
private slots:
void open();
void durationChanged(qint64 duration);
void positionChanged(qint64 progress);
void metaDataChanged();
void tracksChanged();
void previousClicked();
void seek(int mseconds);
void jump(const QModelIndex &index);
void playlistPositionChanged(int);
void statusChanged(QMediaPlayer::MediaStatus status);
void bufferingProgress(float progress);
void videoAvailableChanged(bool available);
void selectAudioStream();
void selectVideoStream();
void selectSubtitleStream();
void displayErrorMessage();
void audioOutputChanged(int);
private:
void setTrackInfo(const QString &info);
void setStatusInfo(const QString &info);
void handleCursor(QMediaPlayer::MediaStatus status);
void updateDurationInfo(qint64 currentInfo);
void updateAudioDevices();
QString trackName(const QMediaMetaData &metaData, int index);
QMediaPlayer *m_player = nullptr;
QAudioOutput *m_audioOutput = nullptr;
AudioLevelMeter *m_audioLevelMeter = nullptr;
QAudioBufferOutput *m_audioBufferOutput = nullptr;
QMediaPlaylist *m_playlist = nullptr;
QVideoWidget *m_videoWidget = nullptr;
QSlider *m_slider = nullptr;
QLabel *m_labelDuration = nullptr;
QPushButton *m_fullScreenButton = nullptr;
QComboBox *m_audioOutputCombo = nullptr;
QLabel *m_statusLabel = nullptr;
QStatusBar *m_statusBar = nullptr;
QComboBox *m_audioTracks = nullptr;
QComboBox *m_videoTracks = nullptr;
QComboBox *m_subtitleTracks = nullptr;
PlaylistModel *m_playlistModel = nullptr;
QAbstractItemView *m_playlistView = nullptr;
QString m_trackInfo;
QString m_statusInfo;
qint64 m_duration;
QMediaDevices m_mediaDevices;
QWidget *m_metaDataFields[QMediaMetaData::NumMetaData] = {};
QLabel *m_metaDataLabels[QMediaMetaData::NumMetaData] = {};
};
#endif // PLAYER_H