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• How to manipulate files by ffmpeg in Android 31 : permission denied

  17 septembre 2021, par Omid.N

  I am trying to use FFmpeg in my android app. So I want to test it if it works before moving on. I use an external library : github link
  
The code looks like this :

  


  package net.omidn.aslanmediaconverter;

import android.net.Uri;
import android.os.Bundle;
import android.util.Log;
import android.widget.TextView;

import androidx.appcompat.app.AppCompatActivity;

import com.arthenica.ffmpegkit.ExecuteCallback;
import com.arthenica.ffmpegkit.FFmpegKit;
import com.arthenica.ffmpegkit.FFmpegSession;
import com.arthenica.ffmpegkit.Session;

import net.bramp.ffmpeg.job.FFmpegJob;

import java.io.BufferedInputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;


public class MainActivity extends AppCompatActivity {
    
    private static final String TAG = "MainActivity";
    FFmpegJob myjob;

    @Override
    protected void onCreate(Bundle savedInstanceState) {


        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        TextView textView = (TextView) findViewById(R.id.text_view);


        FFmpegJob job = null;

        File inFile = new File("/storage/emulated/0/video_2021-05-29_17-50-20.mp4");
        String inputName = Uri.fromFile(inFile).toString();
        Log.d(TAG, inputName);
        Log.d(TAG,"file exists : " + String.valueOf(inFile.exists()));
        Log.d(TAG,"file canRead : " + String.valueOf(inFile.canRead()));

        FFmpegSession fFmpegSession = FFmpegKit.executeAsync("-i file:///storage/emulated/0/video_2021-05-29_17-50-20.mp4 -c:v mpeg4 file:///storage/emulated/0/out.mp4",
                new ExecuteCallback() {
                    @Override
                    public void apply(Session session) {

                    }
                });
        try {
            Thread.sleep(5000);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        textView.setText("" + fFmpegSession.getState().name() + "    " + fFmpegSession.getOutput());
    }

}



  


  As you can see I give the files with file:/// protocol. If I don't use that the resault is the same. The three lines of Log.d(...) will print :

  


  2021-06-03 00:58:08.869 8376-8376/net.omidn.aslanmediaconverter D/MainActivity: file:///storage/emulated/0/video_2021-05-29_17-50-20.mp4
2021-06-03 00:58:08.869 8376-8376/net.omidn.aslanmediaconverter D/MainActivity: file exists : true
2021-06-03 00:58:08.869 8376-8376/net.omidn.aslanmediaconverter D/MainActivity: file canRead : false


  


  The video file has read access on the storage :


  


• Matomo to end support for Internet Explorer 11

  21 septembre 2021, par Matomo Core Team — Community

  A lot of the Matomo user interface is built on top of a programming framework called “Angular.js”. The support for this framework will end very soon, meaning we have to migrate the Matomo user interface to an alternative framework. The Matomo development team has chosen this new framework to be “Vue.js 3”.

  Unfortunately, Vue.js does not support Internet Explorer 11 (IE 11). Therefore, we have to drop the support for IE 11. Many other popular services like Microsoft and WordPress recently did the same. This is happening because IE 11 was released about 8 years ago and is now used by less than 0.5% of the internet. 

  When will this change happen ?

  Our next release (Matomo 4.5) will still support IE 11. It will show a notification in the user interface if you are using Internet Explorer to make you aware of this upcoming change. 

  When Matomo 4.6 is released around November 2021, then IE 11 will no longer be supported.

  What does “end support” mean ?

  The Matomo user interface will work less and less over time for people using IE 11 as a browser. While Matomo 4.6 might still mostly work with IE 11, once we migrate more of the user interface the functionality will stop working completely. It’s possible that even Matomo 4.6 will no longer be functional with IE 11 at all.

  What should I do now ?

  If you are impacted by this, then we strongly recommend that you switch to a more modern browser. Preferably a privacy-friendly browser like Mozilla Firefox or Brave. But any modern browser including Microsoft Edge, Safari and Google Chrome will work just fine.

  If you can’t use a different browser and you are using Matomo On-Premise, then you can install and configure this new plugin which lets you only receive Matomo core updates that are compatible with IE 11. This will prevent you from accidentally upgrading to a Matomo core release that doesn’t work with IE 11, and you can still receive critical security updates and bug fixes until February 2022.

  Will this affect the Matomo JavaScript tracker ?

  No, all visitors using IE 11 will still be tracked and Matomo tracker will support the same browsers as before. Meaning also some older versions of Internet Explorer are still supported.

  Have any questions about this ?

  Get in touch with us 

• Heroku PermissionError : [Errno 13] Permission denied

  17 septembre 2021, par Leon

  I'm new to Heroku and just tried to deploy a python music discord bot (deploying from GitHub branch).

  


  The deployment is successful the bot is working.
However, when I tried to play a music, it gives me an error :

  


  2021-09-17T01:24:43.596654+00:00 app[worker.1]: voice_channel.play(discord.FFmpegPCMAudio(executable="FFmpeg/bin/ffmpeg.exe", source=filename))
2021-09-17T01:24:43.596654+00:00 app[worker.1]: File "/app/.heroku/python/lib/python3.9/site-packages/discord/player.py", line 225, in __init__
2021-09-17T01:24:43.596656+00:00 app[worker.1]: super().__init__(source, executable=executable, args=args, **subprocess_kwargs)
2021-09-17T01:24:43.596666+00:00 app[worker.1]: File "/app/.heroku/python/lib/python3.9/site-packages/discord/player.py", line 138, in __init__
2021-09-17T01:24:43.596668+00:00 app[worker.1]: self._process = self._spawn_process(args, **kwargs)
2021-09-17T01:24:43.596689+00:00 app[worker.1]: File "/app/.heroku/python/lib/python3.9/site-packages/discord/player.py", line 144, in _spawn_process
2021-09-17T01:24:43.596689+00:00 app[worker.1]: process = subprocess.Popen(args, creationflags=CREATE_NO_WINDOW, **subprocess_kwargs)
2021-09-17T01:24:43.596699+00:00 app[worker.1]: File "/app/.heroku/python/lib/python3.9/subprocess.py", line 951, in __init__
2021-09-17T01:24:43.596700+00:00 app[worker.1]: self._execute_child(args, executable, preexec_fn, close_fds,
2021-09-17T01:24:43.596708+00:00 app[worker.1]: File "/app/.heroku/python/lib/python3.9/subprocess.py", line 1823, in _execute_child
2021-09-17T01:24:43.596709+00:00 app[worker.1]: raise child_exception_type(errno_num, err_msg, err_filename)
2021-09-17T01:24:43.596743+00:00 app[worker.1]: PermissionError: [Errno 13] Permission denied: 'FFmpeg/bin/ffmpeg.exe'
2021-09-17T01:24:43.596743+00:00 app[worker.1]:
2021-09-17T01:24:43.596744+00:00 app[worker.1]: The above exception was the direct cause of the following exception:
2021-09-17T01:24:43.596744+00:00 app[worker.1]:
2021-09-17T01:24:43.596746+00:00 app[worker.1]: Traceback (most recent call last):
2021-09-17T01:24:43.596778+00:00 app[worker.1]: File "/app/.heroku/python/lib/python3.9/site-packages/discord/client.py", line 343, in _run_event
2021-09-17T01:24:43.596780+00:00 app[worker.1]: await coro(*args, **kwargs)
2021-09-17T01:24:43.596788+00:00 app[worker.1]: File "/app/bot.py", line 665, in on_command_error
2021-09-17T01:24:43.596789+00:00 app[worker.1]: raise error
2021-09-17T01:24:43.596798+00:00 app[worker.1]: File "/app/.heroku/python/lib/python3.9/site-packages/discord/ext/commands/bot.py", line 939, in invoke
2021-09-17T01:24:43.596799+00:00 app[worker.1]: await ctx.command.invoke(ctx)
2021-09-17T01:24:43.596808+00:00 app[worker.1]: File "/app/.heroku/python/lib/python3.9/site-packages/discord/ext/commands/core.py", line 863, in invoke
2021-09-17T01:24:43.596808+00:00 app[worker.1]: await injected(*ctx.args, **ctx.kwargs)
2021-09-17T01:24:43.596817+00:00 app[worker.1]: File "/app/.heroku/python/lib/python3.9/site-packages/discord/ext/commands/core.py", line 94, in wrapped
2021-09-17T01:24:43.596817+00:00 app[worker.1]: raise CommandInvokeError(exc) from exc
2021-09-17T01:24:43.596833+00:00 app[worker.1]: discord.ext.commands.errors.CommandInvokeError: Command raised an exception: PermissionError: [Errno 13] Permission denied: 'FFmpeg/bin/ffmpeg.exe'


  


  Problem in bot.py :

  


  voice_channel.play(discord.FFmpegPCMAudio(executable="FFmpeg/bin/ffmpeg.exe", source=filename))


  


  The path to ffmpeg.exe is already correct in GitHub respository ; but it doesn't work and gives this error :

  


  PermissionError: [Errno 13] Permission denied: 'FFmpeg/bin/ffmpeg.exe'


  


  Can anyone help ?

  


  Thanks

  


  Notes :

  


  

  • I don't know how to add FFmpeg in Heroku, so I manually add it into the GitHub repository (the last time I tried without FFmpeg in GitHub and use this build pack for Heroku, it throws an error ClientException: ffmpeg.exe was not found.