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• AWS Lambda. Error=20 (Not a directory) when moving FFmpeg to /tmp

  18 novembre 2017, par Omar Riaz

  I am using the ffmpeg-cli-wrapper to run FFmpeg from an application I upload onto AWS lambda. I was initially getting the

  error=13 Permission Denied

  when trying to call it via the wrappers ProcessBuilder. My inital solution was to chmod 755 ffmpeg before uploading, but it didn’t help.

  For information, my FFmpeg and ffprobe files are located in the following classpath : static/ffmpeg/ffmpeg and static/ffmpeg/ffprobe. They are also statically linked.

  AWS Lambda permission denied when trying to use ffmpeg

  I’ve tried to follow the instructions given in the example above, but when I try to perform either mv or cp command :Runtime.exec("mv " + pathToFFmpeg + " /tmp"), I get the

  error=20, Not a directory

  error.

  I know that I have the correct path for FFmpeg because the following command mv *pathToFFmpeg* *an arbitrary name* runs without error, meaning that the file is there and so the mv command just renames it as it’s supposed to do.

• Couldn't run a ffmpeg process by using supervisor [on hold]

  11 août 2019, par Ahmad

  This issue seems to be weird, at least for me.

  I’m trying to run a ffmpeg process using the supervisor as follows :

  [program:myprocessname]
  
  command="/usr/bin/ffmpeg -loglevel quiet -i ..."
  
  process_name=%(program_name)s
  
  numprocs=1
  
  umask=022
  
  priority=999
  
  autostart=true
  
  autorestart=unexpected
  
  startretries=3
  
  exitcodes=0
  
  stopsignal=TERM
  
  stopwaitsecs=10
  
  user=vagrant

  This program never gets run, in spite of changing the command to the absolute path where the FFmpeg is located.

  This is what I get (from log) when I try to run it :

  {
  
      "description": "can't find command '/usr/bin/ffmpeg -loglevel quiet -i 
  
   ...'",
  
      "exitstatus": 0,
  
      "group": "myprocessname",
  
      "logfile": "/var/log/supervisor/myprocessname-stdout---supervisor-oxWFk5.log",
  
      "name": "myprocessname",
  
      "now": 1554747933,
  
      "pid": 0,
  
      "spawnerr": "can't find command '/usr/bin/ffmpeg -loglevel quiet -i ...'",
  
      "start": 1554747575,
  
      "state": 200,
  
      "statename": "FATAL",
  
      "stderr_logfile": "/var/log/supervisor/myprocessname-stderr---supervisor-WNmJv6.log",
  
      "stdout_logfile": "/var/log/supervisor/myprocessname-stdout---supervisor-oxWFk5.log",
  
      "stop": 0
  
  }

  It might be that FFmpeg spawns processes where the supervisor couldn’t handle ?

  Any idea, please ?

• While working with ffmpeg : Created function in C file and after compilation with NDK accessing from android activity, getting signal 11 error

  30 mai 2016, par Dayanand Lande

  After successfully fire command ndk-build I got .so file in my libs folder, then after some changes in gradle file I got native_libs.xml .idea/libraries folder.

  Now I am accessing c function from my java code/ android activity. I am getting signal 11 error

  My code is

  C file

  #include 
  
  #include <android></android>log.h>
  
  #include 
  
  
  
  #include "libavcodec/avcodec.h"
  
  #include "libavformat/avformat.h"
  
  
  
  #define LOG_TAG "mylib"
  
  #define LOGI(...)  __android_log_print(ANDROID_LOG_INFO, LOG_TAG, __VA_ARGS__)
  
  #define LOGE(...)  __android_log_print(ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__)
  
  
  
  
  
  //JNIEXPORT jint JNICALL Java_com_xxx_xxx_activities_SplashActivity_logFileInfo(JNIEnv * env, jobject this, jstring filename);
  
  
  
  jint Java_com_xxx_xxx_activities_TutorialsActivity_logFileInfo(JNIEnv * env, jobject this, jstring filename)
  
  {
  
      av_register_all();
  
  
  
      AVFormatContext *pFormatCtx;
  
      const jbyte *str;
  
      str = (*env)->GetStringUTFChars(env, filename, NULL);
  
  
  
      if(avformat_open_input(&amp;pFormatCtx, str, NULL, NULL)!=0)
  
      {
  
          LOGE("Can't open file '%s'\n", str);
  
          return 1;
  
      }
  
      else
  
      {
  
          LOGI("File was opened\n");
  
          LOGI("File '%s', Codec %s",
  
              pFormatCtx->filename,
  
              pFormatCtx->iformat->name
  
          );
  
      }
  
      return 0;
  
  }

  Loading and try to access method in java code is

  private static native int logFileInfo(String filename);
  
  
  
  
  
      static {
  
          System.loadLibrary("framegrabber");
  
      }

  In OnCreate of activity

  logFileInfo(file.getAbsolutePath());

  Finally error at point logFileInfo(file.getAbsolutePath()); is

  A/libc: Fatal signal 11 (SIGSEGV), code 1, fault addr 0x106e in tid 8905 (Thread-20972)

  Please replay if you have any solution, Thanking in advance.