mediaplayer.h

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#pragma once
 
#include <QWidget>
#include <QMediaPlayer>
#include <QFileDialog>
#include <QStandardPaths>
#include <QTime>
#include <QSettings>
 
//New Include
#include <QAudioOutput>
#include<QBuffer>
#include"fftw3.h"
#include"qcustomplot.h"
#include<QProcess>
#include<QAudioFormat>
#include<QAudioDecoder>
#include <QFileInfo>
#include <QDebug>
extern "C" {
#include <libavformat/avformat.h>
#include <libavcodec/avcodec.h>
#include <libavutil/opt.h>
#include <libavutil/samplefmt.h>
#include <libavutil/channel_layout.h>
#include <libswresample/swresample.h>
}
 
class MediaPlayer : public QMediaPlayer
{
    Q_OBJECT
public:
    explicit MediaPlayer(QWidget *parent = nullptr);
    QTime elapsedTime();
    QTime durationTime();
    void setPositionToTime(const QTime& time);
    QString getMediaFileName();
    QString getPositionInfo();
    QStringList supportedFormats;
    // QAudioOutput *m_audioOutput;
    void loadMediaFromUrl(QUrl *fileUrl);
 
    void resampleAudio(const char* inputPath, const char* outputPath, int targetSamplingRate);
 
public slots:
    void open();
    void seek(int seconds);
    void togglePlayback();
    // void setVolume(int volume);
    // void setMuted(bool muted);
 
signals:
    void message(QString text, int timeout = 5000);
    void openMessage(QString text);
    void sendMediaUrl(QUrl mediaUrl);
 
    void sendBuffer(QBuffer& audio);
    void sendDuration(qint64 total_duration);
    void sendSampleRate(qint64 sampleRate, QBuffer& audioBuffer, qint64 totalDuration);
    void sendingSampleRateStatus(bool status);
 
private:
    static QTime getTimeFromPosition(const qint64& position);
    QString m_mediaFileName;
    QSettings* settings;
 
    bool isAudioFile(const QString& filePath);
    bool isVideoFile(const QString& filePath);
    QBuffer audioBuffer;
    QMediaPlayer *p;
    qlonglong sampleRate;
 
};