小编use*_*172的帖子

我设法编译了ffmpeg静态构建.但是当我试图调用ffmpeg命令行时,我得到一个Java IOException:没有这样的文件或目录.

我的代码如下:

public void merge_video(View view){

    if(ffmpeg_file.exists()){
          Log.d(null, "ffmpeg exists");
      }else{
          Log.d(null, "Could not locate ffmpeg in the folder");
      }

      File file1 = new File("/mnt/sdcard/com.ffmpeg_test/VID_3_25_2013_12_22.mp4");
      if(file1.exists()){
          Log.d(null,"File 1 exists");
      }
      File file2 = new File("/mnt/sdcard/com.ffmpeg_test/VID_3_25_2013_12_28.mp4");
      if(file2.exists()){
          Log.d(null,"File 2 exists");
      }

      String[] ffmpegCommand = new String[5];
      ffmpegCommand[0] = "/mnt/sdcard/com.ffmpeg_test/ffmpeg";
      ffmpegCommand[1] = "-i";
      ffmpegCommand[2] = "concat:/mnt/sdcard/com.ffmpeg_test/VID_3_25_2013_12_22.mp4|/mnt/sdcard/com.ffmpeg_test/VID_3_25_2013_12_28.mp4";
      ffmpegCommand[3] = "copy";
      ffmpegCommand[4] = "/mnt/sdcard/com.ffmpeg_test/output.mp4";  

      try {
          Process ffmpegProcess = new ProcessBuilder(ffmpegCommand).redirectErrorStream(true).start();

          String line;
          BufferedReader reader = new BufferedReader(new InputStreamReader(ffmpegProcess.getInputStream()));
          Log.d(null, "*******Starting FFMPEG");

          while((line …