Android/XixunPlayer/app/src/main/java/com/xixun/xixunplayer/EleVideo.java

package com.xixun.xixunplayer;

import android.content.Context;
import android.view.SurfaceHolder;
import android.view.SurfaceView;

import tv.danmaku.ijk.media.player.IjkMediaPlayer;

public class EleVideo extends SurfaceView {

    IjkMediaPlayer ijkPlayer;

    public EleVideo(Context context, String path, float vol) {
        super(context);
        initIjk(path, vol);
    }

//    @OptIn(markerClass = UnstableApi.class)
//    void initExo(String path, float vol) {
//        exoPlayer = new ExoPlayer.Builder(getContext()).build();
//        exoPlayer.setMediaItem(MediaItem.fromUri(path));
//        exoPlayer.setRepeatMode(ExoPlayer.REPEAT_MODE_ONE);
//        exoPlayer.setSeekParameters(SeekParameters.CLOSEST_SYNC);
//        exoPlayer.setVolume(vol);
//        exoPlayer.setVideoSurfaceView(this);
//    }
    void initIjk(String path, float vol) {
        ijkPlayer = new IjkMediaPlayer();
        ijkPlayer.setOption(IjkMediaPlayer.OPT_CATEGORY_PLAYER, "start-on-prepared", 0);
        ijkPlayer.setOption(IjkMediaPlayer.OPT_CATEGORY_FORMAT, "analyzeduration", 1);
        ijkPlayer.setOption(IjkMediaPlayer.OPT_CATEGORY_CODEC, "skip_loop_filter", 48);
        try {
            getHolder().addCallback(new SurfaceHolder.Callback() {
                @Override
                public void surfaceCreated(SurfaceHolder holder) {
                    ijkPlayer.setDisplay(holder);
                }
                @Override
                public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
                    System.out.println("surfaceChanged");
                }
                @Override
                public void surfaceDestroyed(SurfaceHolder holder) {
                    System.out.println("surfaceDestroyed");
                }
            });
            ijkPlayer.setDataSource(path);
            ijkPlayer.setLooping(true);
            ijkPlayer.setVolume(vol, vol);
            ijkPlayer.prepareAsync();
        } catch (Throwable e) {
            Util.makeText(getContext(), e.getMessage()).show();
            e.printStackTrace();
            ijkPlayer = null;
        }
    }

    void start() {
        if(ijkPlayer!=null) ijkPlayer.start();
//        else if(exoPlayer!=null) {
//            if(exoPlayer.getPlaybackState()==ExoPlayer.STATE_IDLE) exoPlayer.prepare();
//            exoPlayer.play();
//        }
    }
    void pause() {
        if(ijkPlayer!=null) {
            ijkPlayer.pause();
            ijkPlayer.seekTo(0);
        }
//        if(exoPlayer!=null && exoPlayer.isPlaying()) {
//            exoPlayer.pause();
//            exoPlayer.seekToDefaultPosition();
//        }
    }
    void release() {
        if(ijkPlayer!=null) {
            ijkPlayer.release();
            ijkPlayer = null;
        }
//        if(exoPlayer!=null) {
//            exoPlayer.release();
//            exoPlayer = null;
//        }
    }

    String getState() {
//        else if(exoPlayer!=null) {
//            var state = exoPlayer.getPlaybackState();
//            if(state==ExoPlayer.STATE_IDLE) return "STATE_IDLE";
//            if(state==ExoPlayer.STATE_BUFFERING) return "STATE_BUFFERING";
//            if(state==ExoPlayer.STATE_READY) return "STATE_READY";
//            if(state==ExoPlayer.STATE_ENDED) return "STATE_ENDED";
//        }
        return "null";
    }

    @Override
    public void onVisibilityAggregated(boolean isVisible) {
        super.onVisibilityAggregated(isVisible);
        if(isVisible) start();
        else pause();
    }
}