Java 获取视频参数信息

资料收集

经过搜索常用的处理视频的方式有两种：xuggler 和 ffmpeg

因ffmpeg 需要使用JNI调用，这里采用xuggler方式

使用xuggler获取视频宽、高、时长等信息

以下内容参考这篇文章

• 引入maven配置
  xuggle 依赖 slf4j-api

<dependency>
     <groupId>xuggle</groupId>
     <artifactId>xuggle-xuggler</artifactId>
     <version>5.4</version>
</dependency>
<dependency>
    <groupId>org.slf4j</groupId>
    <artifactId>slf4j-api</artifactId>
    <version>1.7.25</version>
</dependency>
<dependency>
    <groupId>org.slf4j</groupId>
    <artifactId>slf4j-log4j12</artifactId>
    <version>1.7.25</version>
</dependency>

• 测试代码

import com.xuggle.xuggler.ICodec;
import com.xuggle.xuggler.IContainer;
import com.xuggle.xuggler.IStream;
import com.xuggle.xuggler.IStreamCoder;

public class XuggleTest {

    public static void main(String[] args) {
        String filename = "/home/langzi/Videos/2a8ea83e4e674a8fb1c5bcf9b6313ca5.mp4";
        // 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)
            throw new RuntimeException("Failed to open media file");

        // 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();

        // query for the bit rate
        long bitRate = container.getBitRate();

        System.out.println("Number of streams: " + numStreams);
        System.out.println("Duration (ms): " + duration);
        System.out.println("File Size (bytes): " + fileSize);
        System.out.println("Bit Rate: " + bitRate);

        // iterate through the streams to print their meta data
        for (int i=0; i<numStreams; i++) {

            // find the stream object
            IStream stream = container.getStream(i);

            // get the pre-configured decoder that can decode this stream;
            IStreamCoder coder = stream.getStreamCoder();

            System.out.println("*** Start of Stream Info ***");

            System.out.printf("stream %d: ", i);
            System.out.printf("type: %s; ", coder.getCodecType());
            System.out.printf("codec: %s; ", coder.getCodecID());
            System.out.printf("duration: %s; ", stream.getDuration());
            System.out.printf("start time: %s; ", container.getStartTime());
            System.out.printf("timebase: %d/%d; ",
                    stream.getTimeBase().getNumerator(),
                    stream.getTimeBase().getDenominator());
            System.out.printf("coder tb: %d/%d; ",
                    coder.getTimeBase().getNumerator(),
                    coder.getTimeBase().getDenominator());
            System.out.println();

            if (coder.getCodecType() == ICodec.Type.CODEC_TYPE_AUDIO) {
                System.out.printf("sample rate: %d; ", coder.getSampleRate());
                System.out.printf("channels: %d; ", coder.getChannels());
                System.out.printf("format: %s", coder.getSampleFormat());
            } else if (coder.getCodecType() == ICodec.Type.CODEC_TYPE_VIDEO) {
                System.out.printf("width: %d; ", coder.getWidth());
                System.out.printf("height: %d; ", coder.getHeight());
                System.out.printf("format: %s; ", coder.getPixelType());
                System.out.printf("frame-rate: %5.2f; ", coder.getFrameRate().getDouble());
            }

            System.out.println();
            System.out.println("*** End of Stream Info ***");

        }
    }
}

• 执行结果