video-pc/AvPlayer/playerdemowindow.h

#ifndef PLAYERDEMOWINDOW_H
#define PLAYERDEMOWINDOW_H

#pragma once

#include <QAudioOutput>
#include <QComboBox>
#include <QIODevice>
#include <QLabel>
#include <QPushButton>
#include <QSlider>
#include <QWidget>
#include "AvRecorder/ui/opengl_video_widget.h"
#include "Avplayer/FFmpegVideoPuller.h"

extern "C" {
#include <libswresample/swresample.h>
}
class PlayerDemoWindow : public QWidget
{
    Q_OBJECT
public:
    explicit PlayerDemoWindow(QWidget* parent = nullptr);
    ~PlayerDemoWindow();

    void startPlay(const QString& url);

private slots:
    void onProgressSliderMoved(int value);
    void onProgressSliderReleased();
    void onSpeedChanged(int index);
    void onPlayClicked();

private:
    FFmpegVideoPuller* m_puller = nullptr;
    OpenGLVideoWidget* m_videoWidget = nullptr;

    // 音频相关
    QAudioOutput* m_audioOutput = nullptr;
    QIODevice* m_audioDevice = nullptr;
    int m_audioSampleRate = 0;
    int m_audioChannels = 0;
    AVSampleFormat m_audioFormat = AV_SAMPLE_FMT_NONE;

    // UI
    QSlider* m_progressSlider = nullptr;
    QLabel* m_timeLabel = nullptr;
    QComboBox* m_speedCombo = nullptr;
    QPushButton* m_playBtn = nullptr;

    // 进度相关
    bool m_sliderPressed = false;
    double m_firstPts = 0.0;
    double m_lastPts = 0.0;
    double m_duration = 0.0;

    bool m_playing;

    void initAudio(const AVFrame* frame);
    void playAudioFrame(AVFrame* frame);
    void updateProgress();
    QString formatTime(double seconds) const;

private:
    SwrContext* m_swrCtx = nullptr;
    uint8_t* m_swrBuffer = nullptr;
    int m_swrBufferSize = 0;
};

#endif // PLAYERDEMOWINDOW_H