统计视频时长

视频时长统计

pom

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>org.zln</groupId>
    <artifactId>java-video</artifactId>
    <version>1.0-SNAPSHOT</version>

    <dependencies>

        <!-- https://mvnrepository.com/artifact/xuggle/xuggle-xuggler -->
        <dependency>
            <groupId>xuggle</groupId>
            <artifactId>xuggle-xuggler</artifactId>
            <version>5.4</version>
        </dependency>

        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <version>1.16.18</version>
        </dependency>
        <dependency>
            <groupId>org.apache.logging.log4j</groupId>
            <artifactId>log4j-slf4j-impl</artifactId>
            <version>2.8.1</version>
        </dependency>
        <dependency>
            <groupId>org.apache.logging.log4j</groupId>
            <artifactId>log4j-core</artifactId>
            <version>2.8.1</version>
        </dependency>

        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
            <scope>test</scope>
        </dependency>
    </dependencies>

    <build>
            <finalName>${project.artifactId}</finalName>
            <resources>
                <resource>
                    <directory>src/main/resources</directory>
                    <includes>
                        <include>**/*.properties</include>
                        <include>**/*.xml</include>
                    </includes>
                    <filtering>false</filtering>
                </resource>
            </resources>
            <!-- 配置插件 -->
            <plugins>
                <!-- 资源文件拷贝插件 -->
                <plugin>
                    <groupId>org.apache.maven.plugins</groupId>
                    <artifactId>maven-resources-plugin</artifactId>
                    <version>2.7</version>
                    <configuration>
                        <encoding>UTF-8</encoding>
                    </configuration>
                </plugin>
                <!-- java编译插件 -->
                <plugin>
                    <groupId>org.apache.maven.plugins</groupId>
                    <artifactId>maven-compiler-plugin</artifactId>
                    <version>3.2</version>
                    <configuration>
                        <source>1.8</source>
                        <target>1.8</target>
                        <encoding>UTF-8</encoding>
                    </configuration>
                </plugin>
            </plugins>
        </build>



</project>

CountVideoTime

package org.zln.java.video;

import com.xuggle.xuggler.IContainer;

import java.io.IOException;
import java.nio.file.*;
import java.nio.file.attribute.BasicFileAttributes;
import java.util.LinkedList;
import java.util.List;

/**
 * @Author 张柳宁
 * @Description
 * @Date Create in 2018/4/3
 * @Modified By:
 */

public class CountVideoTime {
    public static void main(String[] args) throws IOException {
        MyFileVisitor visitor = new MyFileVisitor();
        Files.walkFileTree(Paths.get("/Users/zhangliuning/Documents/01-SpringSecurity"), visitor);
        List<String> videoFiles = visitor.getList();
        long sum = 0;
        for (String path : videoFiles) {
            sum += getVedioInfo(path);
        }
        int hours = (int) (sum / 3600);
        int minutes = (int) ((sum - 3600 * hours) / 60);
        int seconds = (int) (sum - 3600 * hours - 60 * minutes);
        System.out.println("累计时长：" + hours + ":" + minutes + ":" + seconds);
    }

    public static long getVedioInfo(String filename) {


        // first we create a Xuggler container object
        IContainer container = IContainer.make();

        // we attempt to open up the container
        int result = container.open(filename, IContainer.Type.READ, null);

        // check if the operation was successful
        if (result < 0) {
            return 0;
        }


        // query how many streams the call to open found
        int numStreams = container.getNumStreams();
        // query for the total duration
        long duration = container.getDuration();
        // query for the file size
        long fileSize = container.getFileSize();
        long secondDuration = duration / 1000000;

        //秒
        return secondDuration;

    }
}

class MyFileVisitor extends SimpleFileVisitor<Path> {
    private List<String> list_file = new LinkedList<>();

    @Override
    public FileVisitResult postVisitDirectory(Path dir, IOException exec)
            throws IOException {
        // 访问文件夹之前调用
        //System.out.println("Just visited " + dir);
        return FileVisitResult.CONTINUE;
    }

    @Override
    public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs)
            throws IOException {
        // 访问文件夹之后调用
        //System.out.println("About to visit " + dir);
        return FileVisitResult.CONTINUE;
    }

    @Override
    public FileVisitResult visitFile(Path file, BasicFileAttributes attrs)
            throws IOException {
        // 访问文件后调用
        if (attrs.isRegularFile()) {
            String fileName = file.toString();
            if (fileName.endsWith(".mp4")) {
                list_file.add(file.toString());    //插入一个List<String>有别的用。
            }
        }

        return FileVisitResult.CONTINUE;
    }

    @Override
    public FileVisitResult visitFileFailed(Path file, IOException exc)
            throws IOException {
        // 文件不可访问时调用
        //System.out.println(exc.getMessage());
        return FileVisitResult.CONTINUE;
    }

    public List<String> getList() {
        return list_file;
    }

}