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:\\hibernate1.avi")) { System.out.println("" + " is not file"); return; } if (process("e:\\hibernate1.avi")) { 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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