ffmpeg通过jakarta-oro获取视频信息

package com.wondertek; import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.List; import org.apache.oro.text.regex.MalformedPatternException; import org.apache.oro.text.regex.MatchResult; import org.apache.oro.text.regex.Pattern; import org.apache.oro.text.regex.PatternCompiler; import org.apache.oro.text.regex.PatternMatcher; import org.apache.oro.text.regex.Perl5Compiler; import org.apache.oro.text.regex.Perl5Matcher; public class testConvert { /** * @param args */ public static void main(String[] args) { String result = processFLV("D:\\video\\海豹突击队.Act.of.Valor.2012.BluRay.1080p.DTS.x264.rmvb"); PatternCompiler compiler =new Perl5Compiler(); try { String regexDuration ="Duration: (.*?), start: (.*?), bitrate: (\\d*) kb\\/s"; String regexVideo ="Video: (.*?), (.*?), (.*?)[,\\s]"; String regexAudio ="Audio: (\\w*), (\\d*) Hz"; Pattern patternDuration = compiler.compile(regexDuration,Perl5Compiler.CASE_INSENSITIVE_MASK); PatternMatcher matcherDuration = new Perl5Matcher(); if(matcherDuration.contains(result, patternDuration)){ MatchResult re = matcherDuration.getMatch(); System.out.println("提取出播放时间 ===" +re.group(1)); System.out.println("开始时间 =====" +re.group(2)); System.out.println("bitrate 码率 单位 kb==" +re.group(3)); } Pattern patternVideo = compiler.compile(regexVideo,Perl5Compiler.CASE_INSENSITIVE_MASK); PatternMatcher matcherVideo = new Perl5Matcher(); if(matcherVideo.contains(result, patternVideo)){ MatchResult re = matcherVideo.getMatch(); System.out.println("编码格式 ===" +re.group(1)); System.out.println("视频格式 ===" +re.group(2)); System.out.println("分辨率 ===" +re.group(3)); } Pattern patternAudio = compiler.compile(regexAudio,Perl5Compiler.CASE_INSENSITIVE_MASK); PatternMatcher matcherAudio = new Perl5Matcher(); if(matcherAudio.contains(result, patternAudio)){ MatchResult re = matcherAudio.getMatch(); System.out.println("音频编码 ===" +re.group(1)); System.out.println("音频采样频率 ===" +re.group(2)); } } catch (MalformedPatternException e) { e.printStackTrace(); } } private static String processFLV(String inputPath) { List<String> commend = new java.util.ArrayList<String>(); // mmpeg的存放目录 commend.add("E:\\vidoConvert\\ffmpeg"); commend.add("-i"); commend.add(inputPath); try { ProcessBuilder builder = new ProcessBuilder(); builder.command(commend); builder.redirectErrorStream(true); Process p = builder.start(); // 1. start BufferedReader buf = null; // 保存ffmpeg的输出结果流 String line = null; buf = new BufferedReader(new InputStreamReader(p.getInputStream())); StringBuffer sb = new StringBuffer(); while ((line = buf.readLine()) != null) { System.out.println(line); sb.append(line); continue; } int ret = p.waitFor();// 这里线程阻塞，将等待外部转换进程运行成功运行结束后，才往下执行 // 1. end return sb.toString(); } catch (Exception e) { return null; } } }