VideoUtil

VideoUtil

import android.graphics.Bitmap;
import android.media.MediaExtractor;
import android.media.MediaFormat;
import android.media.MediaMetadataRetriever;
import android.os.Environment;
import android.support.annotation.Nullable;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

/**
 * @author puke
 * @version 2020/06/28
 */
public abstract class VideoUtil {

    public static VideoInfo parseVideoInfo(String videoPath) {
        MediaMetadataRetriever retriever = null;
        try {
            retriever = new MediaMetadataRetriever();
            retriever.setDataSource(videoPath);
            String duration = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_DURATION);
            String width = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_VIDEO_WIDTH);
            String height = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_VIDEO_HEIGHT);
            VideoInfo videoInfo = new VideoInfo();
            videoInfo.duration = Long.valueOf(duration);
            videoInfo.width = Integer.valueOf(width);
            videoInfo.height = Integer.valueOf(height);
            return videoInfo;
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (retriever != null) {
                retriever.release();
            }
        }
        return null;
    }

    @Nullable
    public static String getVideoCover(String videoPath) {
        FileOutputStream is = null;
        try {
            MediaMetadataRetriever retriever = new MediaMetadataRetriever();
            retriever.setDataSource(videoPath);
            Bitmap bitmap = retriever.getFrameAtTime();
            File saveDir = new File(Environment.getExternalStorageDirectory(), "bitmap");
            if (!saveDir.exists()) {
                // noinspection ResultOfMethodCallIgnored
                saveDir.mkdirs();
            }
            File savePath = new File(saveDir, System.currentTimeMillis() + ".jpg");
            is = new FileOutputStream(savePath);
            bitmap.compress(Bitmap.CompressFormat.JPEG, 100, is);

            return savePath.getAbsolutePath();
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } finally {
            if (is != null) {
                try {
                    is.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return null;
    }

    @Nullable
    public static int[] getVideoSize(String videoPath) {
        MediaExtractor extractor = null;
        try {
            extractor = new MediaExtractor();
            extractor.setDataSource(videoPath);
            for (int i = 0; i < extractor.getTrackCount(); i++) {
                MediaFormat mediaFormat = extractor.getTrackFormat(i);
                String mime = mediaFormat.getString(MediaFormat.KEY_MIME);
                if (mime != null && mime.startsWith("video/")) {
                    int width = mediaFormat.getInteger(MediaFormat.KEY_WIDTH);
                    int height = mediaFormat.getInteger(MediaFormat.KEY_HEIGHT);
                    return new int[]{width, height};
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (extractor != null) {
                extractor.release();
            }
        }
        return null;
    }

    public static class VideoInfo {
        public long duration;
        public int width;
        public int height;
    }
}