视频文件的上传和编辑
视频文件的上传和编辑
视频上传和剪辑页面
"picker">上传文件
"video">
开始时间type="text" id="start_time"/>结束时间type="text" id="end_time"/>
"$path/js/webuploader-0.1.5/webuploader.css" rel="stylesheet" type="text/css"/>
视频上传代码
/**
* 上传视频文件
* @param inv
* @param model
* @param Filedata
* @return
*/
@Post("uploadvideo")
public Object uploadvideo(Invocation inv, Model model, MultipartFile Filedata){
String uploadDir = config.getString("upload.video");
int maxDirCount = config.getInt("upload.maxDirCount", 100);
HashMap map = uploadVideo(inv, Filedata, uploadDir, maxDirCount);
model.add("result", map);
return "result.json";
}
public static HashMap uploadVideo(Invocation inv, MultipartFile Filedata,
String uploadDir,Integer maxDirCount){
String urls = new String();
String url = null;
//Filedata-上传文件；uploadDir-上传路径；
String urlDir = uploadDir;
uploadDir = inv.getServletContext().getRealPath(uploadDir);
long tmp = System.currentTimeMillis();
long dirName = (tmp % new Long(maxDirCount));
urlDir = urlDir + "/" + dirName;
File dir = new File(uploadDir, String.valueOf(dirName));
if (!dir.exists()) {
dir.mkdirs();
}
String extName = FilenameUtils.getExtension(Filedata
.getOriginalFilename());
if (StringUtils.isEmpty(extName)) {
String type = Filedata.getContentType();
extName = MimeTypes.getExtension(type);
extName = StringUtils.substring(extName, 1);
}
String mainFileName = FilenameUtils.getBaseName(Filedata
.getOriginalFilename());
String fileName = mainFileName + "." + extName;
File file = new File(dir, fileName);
String path = urlDir + "/" + fileName;
try {
Filedata.transferTo(file);
Thumbnails.of(file);
urls = path;
url = ArrayUtils.toString(urls);
url = StringUtils.removeStart(url, "{");
url = StringUtils.removeEnd(url, "}");
} catch (Exception e) {
e.printStackTrace(System.err);
}
HashMap map = new HashMap();
map.put("url", url);
return map;
}
视频剪辑代码
/**
* 剪辑视频文件
* @param inv
* @param model
* @param videoPath
* @param startTime
* @param endTime
* @return
*/
@Post("editvideo")
public Object editVideo(Invocation inv, Model model,String videoPath,String startTime,String endTime){
videoPath = inv.getServletContext().getRealPath(videoPath);
if(!checkFile(videoPath)){
model.add("result", "剪辑文件不存在");
return "result.json";
}
String outfile = config.getString("upload.video");
outfile = inv.getServletContext().getRealPath(outfile);
Timestamp timestamp = new Timestamp((new Date()).getTime());
DateFormat dft = new SimpleDateFormat("yyyyMM");
outfile = outfile + File.separator + dft.format(timestamp);
File file = new File(outfile);
if(!file.exists()){
file.mkdirs();
}
outfile = outfile + File.separator;
int start = Integer.valueOf(startTime);
int end = Integer.valueOf(endTime);
int duration = end - start;
String result = cutVideo("E:\\ffmpeg-20170425-b4330a0-win32-static\\ffmpeg-20170425-b4330a0-win32-static\\bin\\ffmpeg.exe",
videoPath, startTime, duration+"", outfile);
result = result.split("web")[result.split("web").length-1];
model.add("result", result);
return "result.json";
}
/**
* 开始对文件进行编辑处理
* @param osNames
* @param file 源文件地址
* @param startTime 开始时间
* @param duration 截取的时间长度
* @param outPutPath 输出文件地址
* @return
*/
private static String cutVideo(String osNames, String file, String startTime, String duration, String outPutPath) {
//判断文件类型
int type = checkContentType(file);
String status = null;
if (type == 0) {
status = processVideo(osNames, ".mp4", file, startTime, duration, "640x480", outPutPath);//进行视频编辑
}else if(type == 8){
status = processAudio(osNames ,"_radio.mp3", file, startTime, duration, null, outPutPath);//进行音频编辑
}
return status;
}
/**
* 0 支持的视频文件
* 1 不支持
* 8 支持的音频文件
* 9 其他
* 暂列部分支持的文件类型
* @return
*/
private static int checkContentType(String file) {
String type = file.substring(file.lastIndexOf(".") + 1, file.length())
.toLowerCase();
if (type.equals("avi")) {
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("flv")) {
return 0;
} else if (type.equals("mp3")) {
return 8;
} else if (type.equals("wav")) {
return 8;
}
// 可调用其他工具进行转码
else if (type.equals("wmv9")) {
return 1;
} else if (type.equals("rm")) {
return 1;
} else if (type.equals("rmvb")) {
return 1;
}
return 9;
}
/**
* 处理视频文件
* @param oldfilepath
* @return
*/
private static String processVideo(String osNames, String newFileName, String oldFilePath,
String startTime, String duration, String resolution, String outPutPath ) {
if (!checkFile(oldFilePath)) {
System.out.println(oldFilePath + " 文件不存在");
return null;
}
List commend = editingParameter(osNames, newFileName, oldFilePath, startTime, duration, resolution, outPutPath);
return runClip(commend);
}
/**
*
* 剪辑文件
* @param commend
* @param newFileName 新文件名称
* @param oldFilePath 源文件地址
* @param saveName 保存文件名称前缀
* @param startTime 剪辑开始时间 形式 00:00:00.000/00:00:00/0
* @param duration 剪辑持续时长
* @param resolution 分辨率 EX:640x480
* @return
*/
private static List editingParameter(String osNames, String newFilePath, String oldFilePath
, String startTime, String duration, String resolution, String outPutPath){
List commend = new ArrayList();
commend.add(osNames);
commend.add("-y"); //是否覆盖
commend.add("-ss"); //截取开始时间
commend.add(startTime);
commend.add("-t"); //截取时长
commend.add(duration);
commend.add("-i"); //源文件地址
commend.add(oldFilePath);
//同时使用会导致-s无效
commend.add("-vcodec"); //强制使用codec编解码方式。如果用copy表示原始编解码数据必须被拷贝。
commend.add("copy");
// commend.add("-f");
// commend.add("mpeg");
if(null != resolution){
commend.add("-s"); //分辨率调整
commend.add(resolution);
}
commend.add(outPutPath + getRandomName() + newFilePath);
return commend;
}
/**
* 运行程序
* @param commend
* @return
*/
private static String runClip(List commend){
try {
ProcessBuilder builder = new ProcessBuilder(commend);
builder.command(commend);
Process pro = builder.start();
doWaitFor(pro);
String newFileName = commend.get(commend.size()-1);
return newFileName;
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
/**
* 执行完成
* @param p
* @return
*/
private static int doWaitFor(Process p) {
InputStream in = null;
InputStream err = null;
int exitValue = -1;
try {
System.out.println("comeing");
in = p.getInputStream();
err = p.getErrorStream();
boolean finished = false;
while (!finished) {
try {
while (in.available() > 0) {
Character c = new Character((char) in.read());
System.out.print(c);
}
while (err.available() > 0) {
Character c = new Character((char) err.read());
System.out.print(c);
}
exitValue = p.exitValue();
finished = true;
} catch (IllegalThreadStateException e) {
// Thread.currentThread().sleep(500);
}
}
} catch (Exception e) {
System.err.println("doWaitFor();: unexpected exception - "
+ e.getMessage());
} finally {
try {
if (in != null) {
in.close();
}
} catch (IOException e) {
System.out.println(e.getMessage());
}
if (err != null) {
try {
err.close();
} catch (IOException e) {
System.out.println(e.getMessage());
}
}
}
return exitValue;
}
视频剪辑完成