以下是根据ffmpeg对视频进行转码、截图的操作处理；
package com.boyuyun.ffmpeg.util;
import java.io.BufferedReader;
import java.io.File;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import net.sf.json.JSONObject;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.boyuyun.basesystem.constant.Constant;
/**
* 对视频、音频文件进行处理的工具类
*
* @author lx
* @since 2016年7月25日 13:41:14
* @version 1.0
* @description 主要是处理视频、音频的处理；
* 1.
*
*/
public class FFmpegUtil {
private static final Logger log = LoggerFactory.getLogger(FFmpegUtil.class);
private static String rootPath = "";//D:/soft/ffmpeg/bin
static {
rootPath = FileMd5Util.getRealPath()+"WEB-INF/classes/ffmpeg";
}
/**
* 获取视频某个时间点的图片
* timeStr 为秒 第几秒
*/
public static String catchImage(String filePath,String picName, String size){
String tempDir = filePath.substring(0,filePath.lastIndexOf("/")+1);
String name = picName+"_postpath.jpg";
String output = tempDir + name;
try {
List<String> command = new ArrayList<String>();
command.add("cmd.exe");
command.add("/c");
command.add(rootPath+"/ffmpeg");
command.add("-i");
command.add(filePath);
command.add("-y");
command.add("-f");
command.add("image2");
command.add("-r");
command.add("1");
command.add("-ss");
command.add("1");
command.add("-t");
command.add("1");
command.add("-s");
command.add(size);
command.add(output);
//开始执行，并不等待返回
ProcessBuilder pb = new ProcessBuilder();
pb.command(command);
Process p = pb.start();
InputStream stderr = p.getErrorStream();
InputStreamReader isr = new InputStreamReader(stderr);
BufferedReader br = new BufferedReader(isr);
String line = null;
StringBuffer sb = new StringBuffer();
while ((line = br.readLine()) != null){
sb.append(line);
continue;
}
int exitVal = p.waitFor();
p.destroy();
} catch (Exception e) {
e.printStackTrace();
}
return name;
}
private static void convertToflvHD(String filePath,String dest){
try {
List<String> command = new ArrayList<String>();
command.add("cmd.exe");
command.add("/C");
command.add(rootPath+"/ffmpeg");
command.add("-i"); //输入文件路径
command.add(filePath);
command.add("-y"); //是否覆盖
command.add("-ab"); //音频数据流量，32 64 96 128
command.add("32");
command.add("-ar"); //声音采样频率 22050
command.add("22050");
command.add("-acodec"); //音频编码AAC
command.add("aac");
command.add("-s"); //指定分辨率，标清，高清；
// command.add("640x480"); //标清：480p
command.add("1280x720"); //高清：720p
command.add("-qscale"); //以数值质量为基础的VBR，范围：0.01-255，越小质量越好
command.add("10");
command.add("-r"); //帧速率，数值： 15 29.97
command.add("15");
command.add(dest); //目标存储路径
ProcessBuilder pb = new ProcessBuilder();
pb.command(command);
pb.start();
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* 获得视频原有的分辨率
* @return
*/
public static String getVideoResolution(StringBuffer sb ){
Pattern pat = Pattern.compile("([0-9]{2,4}x[0-9]{2,4})");
Matcher matcher = pat.matcher(sb.toString());
boolean find = matcher.find();
if(find){
String res = matcher.group(1);
return res;
}
return "";
}
/**
* 返回视频的长度：毫秒
* @return
*/
public static long getVideoTime(StringBuffer sb){
Pattern pat = Pattern.compile("Duration: ([0-9:.]*),");
Matcher matcher = pat.matcher(sb.toString());
boolean find = matcher.find();
if(find){
String res = matcher.group(1);
//处理
String[] arr = res.split("[.]");
String t = "";
String l = "0";
if(arr.length > 0){
t = arr[0];
if(arr.length > 1)l = arr[1];
}
try {
long tempL = Long.parseLong(l);
tempL = tempL * (l.length() ==1 ? 100 : (l.length() == 2 ? 10 : 1));
String[] tempT = t.split(":");
long tempH = Long.parseLong(tempT[0]);
long tempM = Long.parseLong(tempT[1]);
long tempS = Long.parseLong(tempT[2]);
tempH = tempH * 60 * 60 * 1000;
tempM = tempM * 60 * 1000;
tempS = tempS * 1000;
return (tempH + tempM + tempS + tempL);
} catch (Exception e) {
e.printStackTrace();
}
}
return 0L;
}
/**
* 转化视频文件为Flv格式文件；
* @param filePath
* @return
*/
public static JSONObject convertToFlv(String filePath){
JSONObject result = new JSONObject();
String tempFolder = filePath.substring(0,filePath.lastIndexOf("/"));
String fileName = filePath.substring(filePath.lastIndexOf("/"),filePath.lastIndexOf("."));
File folder = new File(tempFolder);
if(!folder.isDirectory()){
folder.mkdirs();
}
try {
List<String> command = new ArrayList<String>();
String dest = tempFolder+fileName+".flv";
String destHD = tempFolder+fileName+"-HD.flv";
System.out.println(filePath+"\r\n"+dest);
command.add("cmd.exe");
command.add("/C");
command.add(rootPath+"/ffmpeg");
command.add("-i"); //输入文件路径
command.add(filePath);
command.add("-y"); //是否覆盖
// command.add("-ab"); //音频数据流量，32 64 96 128
// command.add("32K");
// command.add("-ar"); //声音采样频率 22050
// command.add("22050");
// command.add("-acodec"); //音频编码AAC
// command.add("aac");
command.add("-s"); //指定分辨率，标清，高清；
command.add("640x480"); //标清：480p
// command.add("1280x720"); //高清：720p
// command.add("-qscale"); //以数值质量为基础的VBR，范围：0.01-255，越小质量越好
// command.add("10");
command.add("-r"); //帧速率，数值： 15 29.97
command.add("15");
command.add(dest); //目标存储路径
ProcessBuilder pb = new ProcessBuilder();
pb.command(command);
Process p = pb.start();
InputStream stderr = p.getErrorStream();
InputStreamReader isr = new InputStreamReader(stderr);
BufferedReader br = new BufferedReader(isr);
String line = null;
StringBuffer sb = new StringBuffer();
while ((line = br.readLine()) != null){
sb.append(line);
System.out.println(line);
continue;
}
int exitVal = p.waitFor();
p.destroy();
//获得时长/速率/其他meta信息
convertToflvHD(filePath,destHD);
long time = getVideoTime(sb);
String solution = getVideoResolution(sb);
//截取第一秒的图片做封面
catchImage(dest, fileName, solution);
result.element("destPath",dest); //普情FLV存放地址
result.element("duration",time); //时长
result.element("destPathHD",destHD);//高清FLV存放地址
result.element("solution",solution);//分辨率
result.element("imagePath",tempFolder+fileName+"-1-"+solution+".jpg");
//转化完成后进行增加索引
} catch (Exception e) {
e.printStackTrace();
}
return result;
}
//根据当前视频的分辨率获得高清分辨率信息
public static String getHDSolution(String solution){
String rs = "1280x720";
try {
if(solution.indexOf("x") > -1){
String[] ars = solution.split("x");
String width = ars[1];
int iwidth = Integer.valueOf(width);
if(iwidth < 720){
rs = solution;
}
}
} catch (Exception e) {}
return rs;
}
/**
* 新版-视频转化逻辑流程
* 1. 至转化高清
* @param filePath
* @return
*/
public static JSONObject callFFmpegNew(String filePath){
log.info("开始转化视频");
Date d1 = new Date();
long d1l = d1.getTime();
filePath = filePath.replaceAll("\\\\", "/");
JSONObject jo = new JSONObject();
String folder = filePath.substring(0,filePath.lastIndexOf("/"));//文件的相对文件夹路径,例如：/attachment/video/
String fileName = filePath.substring(filePath.lastIndexOf("/")+1,filePath.lastIndexOf("."));//文件的文件名,例如：sss.mp4
String hdDestFolder = folder+"/"+fileName+"_HD";//高清存放路径
String hdDestM3u8Path = hdDestFolder+"/"+fileName+".m3u8";
String hdResPath = folder+"/"+fileName+"_HD"+"/"+fileName+".m3u8";
File destFolderFile = new File(hdDestFolder);
if(!destFolderFile.isDirectory()){
destFolderFile.mkdirs();
}
BufferedReader br = null;
String solution = "1280x720";
Long duration = 0L;
try {
String[] command = new String[18];
command[0] = "cmd.exe";
command[1] = "/C";
command[2] = rootPath+"/ffmpeg";
command[3] = "-i"; //输入文件路径
command[4] = filePath;
command[5] = "-c:v"; //
command[6] = "libx264";
command[7] = "-c:a";
command[8] = "aac";
command[9] = "-strict";
command[10] = "-2";
command[11] = "-hls_time";
command[12] = Constant.VIDEO_HLS_TIME+"";
command[13] = "-hls_list_size";
command[14] = "0";
command[15] = "-f";
command[16] = "hls";
command[17] = hdDestM3u8Path;
ProcessBuilder pb = new ProcessBuilder();
pb.command(command);
Process p = pb.start();
InputStream stderr = p.getErrorStream();
InputStreamReader isr = new InputStreamReader(stderr);
br = new BufferedReader(isr);
String line = null;
StringBuffer sb = new StringBuffer();
while ((line = br.readLine()) != null){
sb.append(line);
continue;
}
//获得视频的分辨率，默认分辨率1280x720
solution = getVideoResolution(sb);
duration = getVideoTime(sb);
int exitVal = p.waitFor();
p.destroy();
} catch (Exception e) {
e.printStackTrace();
log.error(e.getMessage(),e);
}
//通过输出流获得需要的信息
//截取第一秒的图片做封面
String name = catchImage(filePath, fileName, solution);
String postPath = folder+"/"+fileName+"_postpath.jpg";
if(!new File(postPath).exists()){
postPath = folder + "/" +name;
}
jo.element("solution",solution);
jo.element("postpath",postPath);
jo.element("success",true);
jo.element("duration",duration);
jo.element("hdPath",hdResPath);
jo.element("sdPath","");
Date d2 = new Date();
long d2l = d2.getTime();
long diff = d2l - d1l;
log.debug("\r\n 视频转化转化结束，转化结果为：\r\n 文件路径:"+filePath+" \r\n 耗时: "+(diff/1000)+"秒 \r\n 返回信息:"+jo.toString());
return jo;
}
/**
* 对文件进行分片,默认处理方法：在目标文件目录下建立一个同名文件夹，然后将对应的分片数据放入文件夹内
* @param filePath
* @return
*/
public static JSONObject callFFmpeg(String filePath){
/***
* 目标：两种分辨率格式，最终都为m3u8,时长固定,切换源，名字一样？
* 1.将源文件转化为两个格式的flv文件，分别存储，
* ID_HD-->id.flv-->id.m3u8
* ID_SD-->id.flv-->id.m3u8
* 2.将两个分辨率的flv转化为m3u8格式
* 3.将两个m3u8格式的地址回传回去
*/
log.info("开始转化视频");
filePath = filePath.replaceAll("\\\\", "/");
JSONObject jo = new JSONObject();
// String basePath = "";//FileUtil.getConfigRealPath();//tomcat 路径,例如：i:/tomcat1/resource/
String folder = filePath.substring(0,filePath.lastIndexOf("/"));//文件的相对文件夹路径,例如：/attachment/video/
String fileName = filePath.substring(filePath.lastIndexOf("/")+1,filePath.lastIndexOf("."));//文件的文件名,例如：sss.mp4
// String sourcePath = basePath+filePath;//文件的绝对路径，源文件
String hdDestFolder = folder+"/"+fileName+"_HD";//高清存放路径
String hdDestFlvPath = hdDestFolder+"/"+fileName+".flv";
String hdDestM3u8Path = hdDestFolder+"/"+fileName+".m3u8";
String hdResPath = folder+"/"+fileName+"_HD"+"/"+fileName+".m3u8";
String sdDestFolder = folder+"/"+fileName+"_SD";//普清存放路径
String sdDestFlvPath = sdDestFolder+"/"+fileName+".flv";
String sdDestM3u8Path = sdDestFolder+"/"+fileName+".m3u8";
String sdResPath = folder+"/"+fileName+"_SD"+"/"+fileName+".m3u8";
File destFolderFile = new File(hdDestFolder);
if(!destFolderFile.isDirectory()){
destFolderFile.mkdirs();
}
File destFolderFile2 = new File(sdDestFolder);
if(!destFolderFile2.isDirectory()){
destFolderFile2.mkdirs();
}
//1. 转化源文件为普清FLV格式
BufferedReader br = null;
String solution = "";
Long duration = 0L;
try {
String[] command = new String[13];
command[0] = "cmd.exe";
command[1] = "/C";
command[2] = rootPath+"/ffmpeg";
command[3] = "-i"; //输入文件路径
command[4] = filePath;
command[5] = "-y"; //是否覆盖
// command[6] = "-ab"; //音频数据流量，32 64 96 128
// command[7] = "32K";
command[6] = "-ar"; //声音采样频率 22050
command[7] = "22050";
// command[10] = "-acodec"; //音频编码AAC
// command[11] = "aac";
command[8] = "-s"; //指定分辨率，标清，高清；
command[9] = "640x480"; //标清：480p
// command[14] = "1280x720"; //高清：720p
// command[14] = "-qscale"; //以数值质量为基础的VBR，范围：0.01-255，越小质量越好
// command[15] = "10";
command[10] = "-r"; //帧速率，数值： 15 29.97
command[11] = "15";
command[12] = sdDestFlvPath;//目标存储路径
ProcessBuilder pb = new ProcessBuilder();
pb.command(command);
Process p = pb.start();
InputStream stderr = p.getErrorStream();
InputStreamReader isr = new InputStreamReader(stderr);
br = new BufferedReader(isr);
String line = null;
StringBuffer sb = new StringBuffer();
while ((line = br.readLine()) != null){
sb.append(line);
continue;
}
System.out.println(sb.toString());
int exitVal = p.waitFor();
solution = getVideoResolution(sb);
duration = getVideoTime(sb);
br.close();
br = null;
isr.close();
p.destroy();
} catch (Exception e) {
e.printStackTrace();
}
//2. 转化源文件为高清FLV格式
//根据solution获得HD Solution,edit by lixun ,鉴于视频转化低分辨率后失真严重，高清不在转化其他分辨率。
// String hdSolution = getHDSolution(solution);
String hdSolution = solution;
try {
String[] command = new String[13];
command[0] = "cmd.exe";
command[1] = "/C";
command[2] = rootPath+"/ffmpeg";
command[3] = "-i"; //输入文件路径
command[4] = filePath;
command[5] = "-y"; //是否覆盖
// command[6] = "-ab"; //音频数据流量，32 64 96 128
// command[7] = "32K";
command[6] = "-ar"; //声音采样频率 22050
command[7] = "22050";
// command[10] = "-acodec"; //音频编码AAC
// command[11] = "aac";
command[8] = "-s"; //指定分辨率，标清，高清；
// command[13] = "640x480"; //标清：480p
// command[7] = "1280x720"; //高清：720p
command[9] = hdSolution;
// command[15] = "-qscale"; //以数值质量为基础的VBR，范围：0.01-255，越小质量越好
// command[16] = "10";
command[10] = "-r"; //帧速率，数值： 15 29.97
command[11] = "15";
command[12] = hdDestFlvPath; //目标存储路径
ProcessBuilder pb = new ProcessBuilder();
pb.command(command);
Process p = pb.start();
InputStream stderr = p.getErrorStream();
InputStreamReader isr = new InputStreamReader(stderr);
br = new BufferedReader(isr);
String line = null;
StringBuffer sb = new StringBuffer();
while ((line = br.readLine()) != null){
sb.append(line);
continue;
}
System.out.println(sb.toString());
int exitVal = p.waitFor();
br.close();
br = null;
isr.close();
p.destroy();
} catch (Exception e) {
e.printStackTrace();
}
//3. 转化普清FLV为m3u8格式
try {
String[] command = new String[18];
command[0] = "cmd.exe";
command[1] = "/C";
command[2] = rootPath+"/ffmpeg";
command[3] = "-i"; //输入文件路径
command[4] = sdDestFlvPath;
command[5] = "-c:v"; //
command[6] = "libx264";
command[7] = "-c:a";
command[8] = "aac";
command[9] = "-strict";
command[10] = "-2";
command[11] = "-hls_time";
command[12] = Constant.VIDEO_HLS_TIME+"";
command[13] = "-hls_list_size";
command[14] = "0";
command[15] = "-f";
command[16] = "hls";
command[17] = sdDestM3u8Path;
ProcessBuilder pb = new ProcessBuilder();
pb.command(command);
Process p = pb.start();
InputStream stderr = p.getErrorStream();
InputStreamReader isr = new InputStreamReader(stderr);
br = new BufferedReader(isr);
String line = null;
StringBuffer sb = new StringBuffer();
while ((line = br.readLine()) != null){
sb.append(line);
continue;
}
System.out.println(sb.toString());
int exitVal = p.waitFor();
p.destroy();
isr.close();
br.close();
} catch (Exception e) {
e.printStackTrace();
}
//4. 转化高清FLV为m3u8格式
try {
String[] command = new String[18];
command[0] = "cmd.exe";
command[1] = "/C";
command[2] = rootPath+"/ffmpeg";
command[3] = "-i"; //输入文件路径
command[4] = hdDestFlvPath;
command[5] = "-c:v"; //
command[6] = "libx264";
command[7] = "-c:a";
command[8] = "aac";
command[9] = "-strict";
command[10] = "-2";
command[11] = "-hls_time";
command[12] = Constant.VIDEO_HLS_TIME+"";
command[13] = "-hls_list_size";
command[14] = "0";
command[15] = "-f";
command[16] = "hls";
command[17] = hdDestM3u8Path;
ProcessBuilder pb = new ProcessBuilder();
pb.command(command);
Process p = pb.start();
InputStream stderr = p.getErrorStream();
InputStreamReader isr = new InputStreamReader(stderr);
br = new BufferedReader(isr);
String line = null;
StringBuffer sb = new StringBuffer();
while ((line = br.readLine()) != null){
sb.append(line);
continue;
}
System.out.println(sb.toString());
int exitVal = p.waitFor();
p.destroy();
isr.close();
br.close();
} catch (Exception e) {
e.printStackTrace();
jo.element("success",false);
}
//通过输出流获得需要的信息
//截取第一秒的图片做封面
String name = catchImage(filePath, fileName, solution);
String postPath = folder+"/"+fileName+"_postpath.jpg";
if(!new File(postPath).exists()){
postPath = folder + "/" +name;
}
jo.element("solution",solution);
jo.element("postpath",postPath);
jo.element("success",true);
jo.element("duration",duration);
// jo.element("destpath",resPath);
jo.element("hdPath",hdResPath);
jo.element("sdPath",sdResPath);
System.out.println("视频转化转化结束，转化结果为：\r\n"+jo.toString());
return jo;
}
public static void main(String[] args) {
rootPath="I:/workspace/ffmpeg/src/main/resources/ffmpeg";
String file = "d:/abc/avi/4.mp4";
callFFmpegNew(file);
// convertToFlv(file);
System.out.println(rootPath);
}
}
网友评论