Java VGet.download方法代码示例

import com.github.axet.vget.VGet; //导入方法依赖的package包/类
public void map(LongWritable key, Text url, OutputCollector<Text, Text> output, Reporter reporter) throws IOException {

            File videoDownloadDir = Files.createTempDir();
            VGet v = new VGet(new URL(url.toString()), videoDownloadDir);
            v.download();
            System.loadLibrary(Core.NATIVE_LIBRARY_NAME);
            File[] videoFiles = videoDownloadDir.listFiles();
            Arrays.sort(videoFiles);
            File[] videoFramesFiles = VideoProcessing.parseVideo(videoFiles[0], 70);
            File[] processedVideoFrames = VideoProcessing.cutImages(videoFramesFiles);

            Tesseract instance = Tesseract.getInstance();
            instance.setDatapath("/usr/share/tesseract-ocr");
            instance.setTessVariable("LC_NUMERIC", "C");

            for (File image: processedVideoFrames) {
                String result = null;
                try {
                    result = instance.doOCR(image);
                } catch (TesseractException e) {
                    e.printStackTrace();
                }
                if (!result.isEmpty()) {
                    word.set(result);
                    output.collect(url, word);
                }
            }
        }
 

import com.github.axet.vget.VGet; //导入方法依赖的package包/类
/**
 * Download video from youtube
 *
 * @param url Youtube url
 * @return name of video
 */
public static File downloadVideo(String url)
{
	try
	{
		VGet v = new VGet(new URL(url), new File("tmp/"));
		VGetParser user = new YouTubeMPGParser();
		v.download(user);
		DownloadedFileLogger.addYoutubeLink(url, "tmp/" + v.getTarget().getName());
		return v.getTarget();
	}
	catch (Exception | NoClassDefFoundError e)
	{
		Log.stackTrace(e.getStackTrace());
		return null;
	}
}
 

import com.github.axet.vget.VGet; //导入方法依赖的package包/类
public void doDownload(VGet v, VGetParser user, VGetStatus notify, AtomicBoolean stop) {
	v.download(user, stop, notify);
}
 

import com.github.axet.vget.VGet; //导入方法依赖的package包/类
/**
 * Gets a youtube video at the given url
 *
 * @param url - Youtube url
 * @return - Title of the video
 * @throws Exception - We really need to generalize these exceptions
 */
public static String get(URL url) throws Exception {
    //initates a VGet object with the temp directory, creating it if necessary
    File temp = new File(EzHttp.TEMP_LOCATION);
    temp.mkdir();
    VGet axetGetter = new VGet(url, temp);

    axetGetter.download(); //starts the download
    System.out.println("YT source: " + axetGetter.getVideo().getSource().toString()); //debug print

    //Determine whether one or two files were downloaded
    List<VideoFileInfo> info = axetGetter.getVideo().getInfo();
    int files = info.size();

    //more debug printouts
    System.out.println(files);
    System.out.println(info.get(0).getTarget().getAbsolutePath());

    String title = axetGetter.getVideo().getTitle(); //title of video

    /**
     * By default, vget downloads either one or two files - either a webm with both video and audio in it for less
     * secure videos, or seperate video and audio streams as an mp4 and webm file respectively.
     *
     * The following code block processes these files based on how many were downloaded, and packages them into a
     * nice single mp4 file in the actual download directory that the user specified.
     */
    if (files == 1) {
        Converter converter = new Converter();
        converter.convert(info.get(0).getTarget().getAbsoluteFile(), EzHttp.getDownloadLocation(), EzHttp.cleanseName(title) + ".mp4");
    } else if (files == 2) {
        Merge merger = new Merge();
        merger.merge(
                info.get(0).getTarget().getAbsoluteFile(),
                info.get(1).getTarget().getAbsoluteFile(),
                new File(EzHttp.getDownloadLocation()).getAbsolutePath(),
                EzHttp.cleanseName(title) + ".mp4"
        );
    }

    return title;
}