java 调用视频转换工具ffmpeg

import java.io.File;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.List;

public class TestVedio {
	public static boolean process(String resourcePath) {
		int type = checkContentType(resourcePath);
		boolean status = false;
		if (type == 0) {
			status = processFLV(resourcePath);// 直接将文件转为flv文件
		} 
		return status;
	}

	private static int checkContentType(String resourcePath) {
		String type = resourcePath.substring(resourcePath.lastIndexOf(".") + 1,
				resourcePath.length()).toLowerCase();
		// ffmpeg能解析的格式:(asx,asf,mpg,wmv,3gp,mp4,mov,avi,flv等)
		if (type.equals("avi")) {
			return 0;
		} else if (type.equals("mpg")) {
			return 0;
		} else if (type.equals("wmv")) {
			return 0;
		} else if (type.equals("3gp")) {
			return 0;
		} else if (type.equals("mov")) {
			return 0;
		} else if (type.equals("mp4")) {
			return 0;
		} else if (type.equals("asf")) {
			return 0;
		} else if (type.equals("asx")) {
			return 0;
		} else if (type.equals("flv")) {
			return 0;
		} else if (type.equals("mpeg")) {
			return 0;
		} else if (type.equals("mpe")) {
			return 0;
		}
		// 对ffmpeg无法解析的文件格式(wmv9,rm,rmvb等),
		// 可以先用别的工具(mencoder)转换为avi(ffmpeg能解析的)格式.
		else if (type.equals("wmv9")) {
			return 1;
		} else if (type.equals("rm")) {
			return 1;
		} else if (type.equals("rmvb")) {
			return 1;
		}
		return 9;
	}

	private static boolean checkfile(String path) {
		File file = new File(path);
		if (!file.isFile()) {
			return false;
		}
		return true;
	}

	// ffmpeg能解析的格式:(asx,asf,mpg,wmv,3gp,mp4,mov,avi,flv等)
	private static boolean processFLV(String resourcePath) {

		if (!checkfile(resourcePath)) {
			System.out.println(resourcePath + "   is   not   file");
			return false;
		}
		// 文件命名
		Calendar c = Calendar.getInstance();
		String savename = String.valueOf(c.getTimeInMillis())+ Math.round(Math.random() * 100000);
		List commend = new ArrayList();
		commend.add("e:\\ffmpeg");
		commend.add("-i");
		commend.add(resourcePath);
		commend.add("-ab");
		commend.add("56");
		commend.add("-ar");
		commend.add("22050");
		commend.add("-qscale");
		commend.add("8");
		commend.add("-r");
		commend.add("15");
		commend.add("-s");
		commend.add("600x500");
		commend.add("e:\\" + savename + ".flv");
		try {
			Runtime runtime = Runtime.getRuntime();
			Process proce = null;
			String cmd = "";
			String cut = "     e://ffmpeg.exe   -i   "
					+ resourcePath
					+ "   -y   -f   image2   -ss   8   -t   0.001   -s   600x500   e:\\"
					+ savename + ".jpg";
			String cutCmd = cmd + cut;
			proce = runtime.exec(cutCmd);
			ProcessBuilder builder = new ProcessBuilder(commend);
			// builder.command(commend);
			builder.start();

			return true;
		} catch (Exception e) {
			e.printStackTrace();
			return false;
		}
	}

	public static void main(String[] args) {
		if (!checkfile("e:\\111.mp4")) {  //检测文件
			System.out.println("" + "   is   not   file");
			return;
		}
		if (process("e:\\111.mp4")) {
			System.out.println("ok");
		}
	}
}


import java.io.IOException;

public class TestMain {

	/** * @param args */
	public static void main(String[] args) {
		String videoRealPath = "e:\\video.flv";
		String imageRealPath = "e:\\video.jpg";
		String videoPath = "e:\\videotes.flv";
		try {
			Runtime.getRuntime().exec("cmd /c start e:\\ffmpeg.bat " + videoRealPath + ","+ imageRealPath+","+ videoPath);
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

}

ffmpeg.bat文件内容:
ffmpeg.exe -i %1 -ss 3 -vframes 1 -r 1 -ac 1 -ab 2 -s 160*120 -f image2 %2

 

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