调用的转换工具ffmpeg avi转mp4 Mp4VideoUtil.java
代码语言：javascript复制import java.io.*;
import java.util.ArrayList;
import java.util.List;
/**
* Created by admin on 2018/3/6.
*/
public class Mp4VideoUtil extends VideoUtil {
String ffmpeg_path = "D:\Program Files\ffmpeg-20180227-fa0c9d6-win64-static\bin\ffmpeg.exe";//ffmpeg的安装位置
String video_path = "D:\BaiduNetdiskDownload\test1.avi";
String mp4_name = "test1.mp4";
String mp4folder_path = "D:/BaiduNetdiskDownload/Movies/test1/";
public Mp4VideoUtil(String ffmpeg_path, String video_path, String mp4_name, String mp4folder_path){
super(ffmpeg_path);
this.ffmpeg_path = ffmpeg_path;
this.video_path = video_path;
this.mp4_name = mp4_name;
this.mp4folder_path = mp4folder_path;
}
//清除已生成的mp4
private void clear_mp4(String mp4_path){
//删除原来已经生成的m3u8及ts文件
File mp4File = new File(mp4_path);
if(mp4File.exists() && mp4File.isFile()){
mp4File.delete();
}
}
/**
* 视频编码，生成mp4文件
* @return 成功返回success，失败返回控制台日志
*/
public String generateMp4(){
//清除已生成的mp4
clear_mp4(mp4folder_path mp4_name);
/*
ffmpeg.exe -i lucene.avi -c:v libx264 -s 1280x720 -pix_fmt yuv420p -b:a 63k -b:v 753k -r 18 .lucene.mp4
*/
List<String> commend = new ArrayList<String>();
//commend.add("D:\Program Files\ffmpeg-20180227-fa0c9d6-win64-static\bin\ffmpeg.exe");
commend.add(ffmpeg_path);
commend.add("-i");
// commend.add("D:\BaiduNetdiskDownload\test1.avi");
commend.add(video_path);
commend.add("-c:v");
commend.add("libx264");
commend.add("-y");//覆盖输出文件
commend.add("-s");
commend.add("1280x720");
commend.add("-pix_fmt");
commend.add("yuv420p");
commend.add("-b:a");
commend.add("63k");
commend.add("-b:v");
commend.add("753k");
commend.add("-r");
commend.add("18");
commend.add(mp4folder_path mp4_name );
String outstring = null;
try {
ProcessBuilder builder = new ProcessBuilder();
builder.command(commend);
//将标准输入流和错误输入流合并，通过标准输入流程读取信息
builder.redirectErrorStream(true);
Process p = builder.start();
outstring = waitFor(p);
} catch (Exception ex) {
ex.printStackTrace();
}
Boolean check_video_time = this.check_video_time(video_path, mp4folder_path mp4_name);
if(!check_video_time){
return outstring;
}else{
return "success";
}
}
public static void main(String[] args) throws IOException {
String ffmpeg_path = "D:\Program Files\ffmpeg-20180227-fa0c9d6-win64-static\bin\ffmpeg.exe";//ffmpeg的安装位置
String video_path = "E:\ffmpeg_test\1.avi";
String mp4_name = "809694a6a974c35e3a36f36850837d7c.mp4";
String mp4_path = "F:/develop/upload/8/0/809694a6a974c35e3a36f36850837d7c/";
Mp4VideoUtil videoUtil = new Mp4VideoUtil(ffmpeg_path,video_path,mp4_name,mp4_path);
String s = videoUtil.generateMp4();
System.out.println(s);
}
}mp4转m3u8
HlsVideo.java
代码语言：javascript复制package com.xuecheng.framework.utils;
import java.io.*;
import java.util.ArrayList;
import java.util.List;
/**
* 此文件用于视频文件处理，步骤如下：
* 1、生成mp4
* 2、生成m3u8
*
*/
public class HlsVideoUtil extends VideoUtil {
String ffmpeg_path = "D:\Program Files\ffmpeg-20180227-fa0c9d6-win64-static\bin\ffmpeg.exe";//ffmpeg的安装位置
String video_path = "D:\BaiduNetdiskDownload\test1.avi";
String m3u8_name = "test1.m3u8";
String m3u8folder_path = "D:/BaiduNetdiskDownload/Movies/test1/";
public HlsVideoUtil(String ffmpeg_path, String video_path, String m3u8_name,String m3u8folder_path){
super(ffmpeg_path);
this.ffmpeg_path = ffmpeg_path;
this.video_path = video_path;
this.m3u8_name = m3u8_name;
this.m3u8folder_path = m3u8folder_path;
}
private void clear_m3u8(String m3u8_path){
//删除原来已经生成的m3u8及ts文件
File m3u8dir = new File(m3u8_path);
if(!m3u8dir.exists()){
m3u8dir.mkdirs();
}
/* if(m3u8dir.exists()&&m3u8_path.indexOf("/hls/")>=0){//在hls目录方可删除，以免错误删除
String[] children = m3u8dir.list();
//删除目录中的文件
for (int i = 0; i < children.length; i ) {
File file = new File(m3u8_path, children[i]);
file.delete();
}
}else{
m3u8dir.mkdirs();
}*/
}
/**
* 生成m3u8文件
* @return 成功则返回success，失败返回控制台日志
*/
public String generateM3u8(){
//清理m3u8文件目录
clear_m3u8(m3u8folder_path);
/*
ffmpeg -i lucene.mp4 -hls_time 10 -hls_list_size 0 -hls_segment_filename ./hls/lucene_d.ts ./hls/lucene.m3u8
*/
// String m3u8_name = video_name.substring(0, video_name.lastIndexOf(".")) ".m3u8";
List<String> commend = new ArrayList<String>();
commend.add(ffmpeg_path);
commend.add("-i");
commend.add(video_path);
commend.add("-hls_time");
commend.add("10");
commend.add("-hls_list_size");
commend.add("0");
commend.add("-hls_segment_filename");
// commend.add("D:/BaiduNetdiskDownload/Movies/test1/test1_d.ts");
commend.add(m3u8folder_path m3u8_name.substring(0,m3u8_name.lastIndexOf(".")) "_d.ts");
// commend.add("D:/BaiduNetdiskDownload/Movies/test1/test1.m3u8");
commend.add(m3u8folder_path m3u8_name );
String outstring = null;
try {
ProcessBuilder builder = new ProcessBuilder();
builder.command(commend);
//将标准输入流和错误输入流合并，通过标准输入流程读取信息
builder.redirectErrorStream(true);
Process p = builder.start();
outstring = waitFor(p);
} catch (Exception ex) {
ex.printStackTrace();
}
//通过查看视频时长判断是否成功
Boolean check_video_time = check_video_time(video_path, m3u8folder_path m3u8_name);
if(!check_video_time){
return outstring;
}
//通过查看m3u8列表判断是否成功
List<String> ts_list = get_ts_list();
if(ts_list == null){
return outstring;
}
return "success";
}
/**
* 检查视频处理是否完成
* @return ts列表
*/
public List<String> get_ts_list() {
// String m3u8_name = video_name.substring(0, video_name.lastIndexOf(".")) ".m3u8";
List<String> fileList = new ArrayList<String>();
List<String> tsList = new ArrayList<String>();
String m3u8file_path =m3u8folder_path m3u8_name;
BufferedReader br = null;
String str = null;
String bottomline = "";
try {
br = new BufferedReader(new FileReader(m3u8file_path));
while ((str = br.readLine()) != null) {
bottomline = str;
if(bottomline.endsWith(".ts")){
tsList.add(bottomline);
}
//System.out.println(str);
}
} catch (IOException e) {
e.printStackTrace();
}finally {
if(br!=null){
try {
br.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
if (bottomline.contains("#EXT-X-ENDLIST")) {
// fileList.add(hls_relativepath m3u8_name);
fileList.addAll(tsList);
return fileList;
}
return null;
}
public static void main(String[] args) throws IOException {
String ffmpeg_path = "D:\Program Files\ffmpeg-20180227-fa0c9d6-win64-static\bin\ffmpeg.exe";//ffmpeg的安装位置
String video_path = "E:\ffmpeg_test\1.mp4";
String m3u8_name = "1.m3u8";
String m3u8_path = "E:\ffmpeg_test\1\";
HlsVideoUtil videoUtil = new HlsVideoUtil(ffmpeg_path,video_path,m3u8_name,m3u8_path);
String s = videoUtil.generateM3u8();
System.out.println(s);
System.out.println(videoUtil.get_ts_list());
}
}VideoUtil.java
代码语言：javascript复制import java.io.*;
import java.util.ArrayList;
import java.util.List;
/**
* 此文件作为视频文件处理父类，提供：
* 1、查看视频时长
* 2、校验两个视频的时长是否相等
*
*/
public class VideoUtil {
String ffmpeg_path = "D:\Program Files\ffmpeg-20180227-fa0c9d6-win64-static\bin\ffmpeg.exe";//ffmpeg的安装位置
public VideoUtil(String ffmpeg_path){
this.ffmpeg_path = ffmpeg_path;
}
//检查视频时间是否一致
public Boolean check_video_time(String source,String target) {
String source_time = get_video_time(source);
//取出时分秒
source_time = source_time.substring(0,source_time.lastIndexOf("."));
String target_time = get_video_time(target);
//取出时分秒
target_time = target_time.substring(0,target_time.lastIndexOf("."));
if(source_time == null || target_time == null){
return false;
}
if(source_time.equals(target_time)){
return true;
}
return false;
}
//获取视频时间(时：分：秒：毫秒)
public String get_video_time(String video_path) {
/*
ffmpeg -i lucene.mp4
*/
List<String> commend = new ArrayList<String>();
commend.add(ffmpeg_path);
commend.add("-i");
commend.add(video_path);
try {
ProcessBuilder builder = new ProcessBuilder();
builder.command(commend);
//将标准输入流和错误输入流合并，通过标准输入流程读取信息
builder.redirectErrorStream(true);
Process p = builder.start();
String outstring = waitFor(p);
System.out.println(outstring);
int start = outstring.trim().indexOf("Duration: ");
if(start>=0){
int end = outstring.trim().indexOf(", start:");
if(end>=0){
String time = outstring.substring(start 10,end);
if(time!=null && !time.equals("")){
return time.trim();
}
}
}
} catch (Exception ex) {
ex.printStackTrace();
}
return null;
}
public String waitFor(Process p) {
InputStream in = null;
InputStream error = null;
String result = "error";
int exitValue = -1;
StringBuffer outputString = new StringBuffer();
try {
in = p.getInputStream();
error = p.getErrorStream();
boolean finished = false;
int maxRetry = 600;//每次休眠1秒，最长执行时间10分种
int retry = 0;
while (!finished) {
if (retry > maxRetry) {
return "error";
}
try {
while (in.available() > 0) {
Character c = new Character((char) in.read());
outputString.append(c);
System.out.print(c);
}
while (error.available() > 0) {
Character c = new Character((char) in.read());
outputString.append(c);
System.out.print(c);
}
//进程未结束时调用exitValue将抛出异常
exitValue = p.exitValue();
finished = true;
} catch (IllegalThreadStateException e) {
Thread.currentThread().sleep(1000);//休眠1秒
retry ;
}
}
} catch (Exception e) {
e.printStackTrace();
} finally {
if (in != null) {
try {
in.close();
} catch (IOException e) {
System.out.println(e.getMessage());
}
}
}
return outputString.toString();
}
public static void main(String[] args) throws IOException {
String ffmpeg_path = "D:\Program Files\ffmpeg-20180227-fa0c9d6-win64-static\bin\ffmpeg.exe";//ffmpeg的安装位置
VideoUtil videoUtil = new VideoUtil(ffmpeg_path);
String video_time = videoUtil.get_video_time("E:\ffmpeg_test\1.avi");
System.out.println(video_time);
}
}
