目录
- 1、导入maven依赖
- 2、代码案例
- 3、SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
1、导入maven依赖
<dependency>
<groupId>org.mp4parser</groupId>
<artifactId>isoparser</artifactId>
<version>1.9.41</version>
</dependency>
2、代码案例
import com.alibaba.fastjson2.JSON;
import org.mp4parser.IsoFile;
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.text.ParseException;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.temporal.ChronoUnit;
import java.time.temporal.TemporalAdjusters;
import java.util.*;
public class Test {
public static void main(String[] args) throws ParseException {
long spsj = readDuration(Paths.get("C:\\Users\\Administrator\\Desktop\\ceshi.mp4"));
System.out.println(spsj);
}
public static long readDuration(Path mp4Path) {
if (Files.notExists(mp4Path) || !Files.isReadable(mp4Path)) {
System.out.println("文件路径不存在或不可读 " + mp4Path);
return 0;
}
try {
IsoFile isoFile = new IsoFile(mp4Path.toFile());
long duration = isoFile.getMovieBox().getMovieHeaderBox().getDuration();
long timescale = isoFile.getMovieBox().getMovieHeaderBox().getTimescale();
return duration / timescale;
} catch (IOException e) {
e.printStackTrace();
return 0;
}
}
}
3、SLF4J: Failed to load class “org.slf4j.impl.StaticLoggerBinder”.
如果在运行过程中报错:SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
问题分析:
org.slf4j.impl.StaticLoggerBinder
通常存在于slf4j-nop.jar和slf4j-simple.jar
中,虽然项目maven中已引入了simple包,但依然存在报错。说明simple包未真正被加载。为了让包更好的加载,在依赖中添加type为jar后,问题得到解决。
<!-- 依赖软件版本 -->
<properties>
<slf4j.version>1.7.30</slf4j.version>
</properties>
<!-- https://mvnrepository.com/artifact/org.slf4j/slf4j-api -->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>${slf4j.version}</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.slf4j/slf4j-simple-->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-simple</artifactId>
<version>${slf4j.version}</version>
<!-- 注意,若无type为jar则报错-->
<type>jar</type>
</dependency>