java ffmpeg视频转码(自测通过)
import java.io.*; public class VideoTransfer { //ffmepg文件 安装目录 private static String ffmpeg = "D:\\开发常用工具\\ffmpeg-20181018-f72b990-win64-static\\bin\\ffmpeg"; public static void main(String args[]) { String infile = "d://2//64891541678_181026061053_97_02.264"; String outfile = "d://2//64891541678_181026061053_97_02.mp4"; if(transfer(infile, outfile)) { System.out.println("the transfer is ok!"); } else { System.out.println("the transfer is error!"); } } public static boolean transfer(String infile,String outfile) { // String avitoflv = "ffmpeg -i "+infile+" -ar 22050 -ab 56 -f flv -y -s 320x240 "+outfile; // String flvto3gp = "ffmpeg -i " + infile + " -ar 8000 -ac 1 -acodec amr_nb -vcodec h263 -s 176x144 -r 12 -b 30 -ab 12 " + outfile; // String avito3gp = "ffmpeg -i " + infile + " -ar 8000 -ac 1 -acodec amr_nb -vcodec h263 -s 176x144 -r 12 -b 30 -ab 12 " + outfile; // String avitojpg = "ffmpeg -i " + infile + " -y -f image2 -ss 00:00:10 -t 00:00:01 -s 350x240 " + outfile; // String h264tomp4 = ffmpeg + " -i "+infile+" -vcodec copy -f mp4 -y "+outfile; String h264tomp4 = ffmpeg + " -r 5 -i "+infile+" -vcodec copy -f mp4 -y "+outfile; try { Runtime rt = Runtime.getRuntime(); Process proc = rt.exec(h264tomp4); InputStream stderr = proc.getErrorStream(); InputStreamReader isr = new InputStreamReader(stderr); BufferedReader br = new BufferedReader(isr); String line = null; while ( (line = br.readLine()) != null) { System.out.println(line); } int exitVal = proc.waitFor(); System.out.println("Process exitValue: " + exitVal); } catch (Exception e) { e.printStackTrace(); return false; } return true; } }
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