Recherche avancée

Médias (2)

Mot : - Tags -/doc2img

Autres articles (43)

  • La file d’attente de SPIPmotion

    28 novembre 2010, par

    Une file d’attente stockée dans la base de donnée
    Lors de son installation, SPIPmotion crée une nouvelle table dans la base de donnée intitulée spip_spipmotion_attentes.
    Cette nouvelle table est constituée des champs suivants : id_spipmotion_attente, l’identifiant numérique unique de la tâche à traiter ; id_document, l’identifiant numérique du document original à encoder ; id_objet l’identifiant unique de l’objet auquel le document encodé devra être attaché automatiquement ; objet, le type d’objet auquel (...)

  • Les vidéos

    21 avril 2011, par

    Comme les documents de type "audio", Mediaspip affiche dans la mesure du possible les vidéos grâce à la balise html5 .
    Un des inconvénients de cette balise est qu’elle n’est pas reconnue correctement par certains navigateurs (Internet Explorer pour ne pas le nommer) et que chaque navigateur ne gère en natif que certains formats de vidéos.
    Son avantage principal quant à lui est de bénéficier de la prise en charge native de vidéos dans les navigateur et donc de se passer de l’utilisation de Flash et (...)

  • Websites made ​​with MediaSPIP

    2 mai 2011, par

    This page lists some websites based on MediaSPIP.

Sur d’autres sites (6875)

  • OSError : [Errno 13] Permission denied when running python code called extract.py

    26 avril 2017, par aisunshinehui

    ffmpeg.py :

    def resize(videoName, resizedName):
    
    if not os.path.exists(videoName):
    
      print '%s does not exist!' % videoName
    
      return False
    
    # call ffmpeg and grab its stderr output
    
    p = subprocess.Popen([ffmpeg, "-i", videoName],stderr=subprocess.PIPE)
    
    out, err = p.communicate()
    
    # search resolution info
    
    if err.find('differs from') > -1:
    
      return False
    
    reso = re.findall(r'Video.*, ([0-9]+)x([0-9]+)', err)
    
    if len(reso) < 1:
    
       return False
    
    # call ffmpeg again to resize
    
    subprocess.call([ffmpeg, '-i', videoName, '-s', '160 x 120', resizedName])
    
    return check(resizedName)
    

    
 # check the video file is corrupted or not
    
 def check(videoName):
    
     if not os.path.exists(videoName):
    
        return False
    
     p = subprocess.Popen([ffmpeg, "-i", videoName], stderr=subprocess.PIPE)
    
     out, err = p.communicate()
    
     if err.find('Invalid') > -1:
    
        return False
    
     return True

    extract.py :

    def extract(videoName, outputBase):
    
    if not os.path.exists(videoName):
    
        print '%s does not exist!' % videoName
    
        return False
    
    if check_dup(outputBase):
    
        print '%s processed' % videoName
    
        return True
    
    resizedName = os.path.join(tmpDir, os.path.basename(videoName))
    
    if not ffmpeg.resize(videoName, resizedName):
    
        resizedName = videoName     # resize failed, just use the input video
    
    subprocess.call('%s %s | %s %s %s %s' % (dtBin, resizedName, fvBin, pcaList, codeBookList, outputBase), shell=True)
    
    return True
    

    
def check_dup(outputBase):
    
    """
    
    Check if fv of all modalities have been extracted
    
    """
    
    featTypes = ['traj', 'hog', 'hof', 'mbhx', 'mbhy']
    
    featDims = [20, 48, 54, 48, 48]
    
    for i in range(len(featTypes)):
    
        featName = '%s.%s.fv.txt' % (outputBase, featTypes[i])
    
        if not os.path.isfile(featName) or not os.path.getsize(featName) > 0:
    
            return False
    
        # check if the length of feature can be fully divided by featDims
    
        f = open(featName)
    
        featLen = len(f.readline().rstrip().split())
    
        f.close()
    
        if featLen % (featDims[i] * 512) > 0:
    
            return False
    
    return True

    i run the extract.py in the terminal and error occurred as follows,then add sudo and run chmod 777 -R /usr/lib/python2.7 to change the permission but it doesn`t work !

    aisunshinehui@aisunshinehui : /program/dtfv/script$ sudo python extract_fv.py /home/aisunshinehui/program/dtfv/script/videolist/video.txt

    /home/aisunshinehui/program/dtfv/script/output/ 1
    
[sudo] password for aisunshinehui: 
    
    0 /home/aisunshinehui/program/dtfv/script/videolist
    
  Traceback (most recent call last):
    
      File "extract_fv.py", line 63, in <module>
    
        extract(videos[i], outputName)
    
      File "extract_fv.py", line 27, in extract
    
        if not ffmpeg.resize(videoName, resizedName):
    
      File "/home/aisunshinehui/program/dtfv/script/ffmpeg.py", line 17, in resize
    
        p = subprocess.Popen([ffmpeg, "-i", videoName], stderr=subprocess.PIPE)
    
      File "/usr/lib/python2.7/subprocess.py", line 710, in __init__
    
        errread, errwrite)
    
      File "/usr/lib/python2.7/subprocess.py", line 1327, in _execute_child
    
        raise child_exception
    
    OSError: [Errno 13] Permission denied
    
</module>

    help me !

  • java.io.IOException : Error running exec() Working Directory : null Environment : null

    16 janvier 2018, par Muhammad Hamza Shahid

    I am using WritingMinds/ffmpeg-android-java in application.

    here is my code

    loadFFmpeg();
    
String cmd="ffmpeg -i /storage/emulated/0/media/audio/a.mp3 -i  /storage/emulated/0/recording.3gp -filter_complex \"[0:a][1:a]amerge=inputs=2[aout]\" -map \"[aout]\" " + outputFile;
    
executeFFmpeg(cmd.split(" "));

    and

    private void loadFFmpeg() {
    
    FFmpeg ffmpeg = FFmpeg.getInstance(MainActivity.this.getApplicationContext());
    
    try {
    
        ffmpeg.loadBinary(new LoadBinaryResponseHandler() {
    

    
            @Override
    
            public void onStart() {}
    

    
            @Override
    
            public void onFailure() {}
    

    
            @Override
    
            public void onSuccess() {}
    

    
            @Override
    
            public void onFinish() {}
    
        });
    
    } catch (FFmpegNotSupportedException e) {
    
        // Handle if FFmpeg is not supported by device
    
    }
    
}
    

    
private void executeFFmpeg(String[] cmd)
    
{
    
    /*String workFolder = getApplicationContext().getFilesDir() + "/ffmpeg";
    
    String environment = Environment.getExternalStorageDirectory().getAbsolutePath();
    
    Map map = new HashMap();
    
    map.put("Working Directory", workFolder);
    
    map.put("Environment",environment);*/
    
    FFmpeg ffmpeg = FFmpeg.getInstance(MainActivity.this.getApplicationContext());
    
    try {
    
        // to execute "ffmpeg -version" command you just need to pass "-version"
    
        ffmpeg.execute(cmd, new ExecuteBinaryResponseHandler() {
    

    
            @Override
    
            public void onStart() {}
    

    
            @Override
    
            public void onProgress(String message) {}
    

    
            @Override
    
            public void onFailure(String message) {}
    

    
            @Override
    
            public void onSuccess(String message) {}
    

    
            @Override
    
            public void onFinish() {
    
                stop.setEnabled(false);
    
                play.setEnabled(true);
    
            }
    
        });
    
    } catch (FFmpegCommandAlreadyRunningException e) {
    
        // Handle if FFmpeg is already running
    
    }
    
}

    but I am getting following error

    6784-6962/com.flipartstudio.playandrecord E/FFmpeg : Exception while trying to run : [Ljava.lang.String ;@41803270
    java.io.IOException : Error running exec(). Command : [/data/data/com.flipartstudio.playandrecord/files/ffmpeg, /system/bin/ls, -l, /data/data/com.example.foo/files/ffmpeg] Working Directory : null Environment : null
    at java.lang.ProcessManager.exec(ProcessManager.java:211)
    at java.lang.Runtime.exec(Runtime.java:168)
    at java.lang.Runtime.exec(Runtime.java:123)
    at com.github.hiteshsondhi88.libffmpeg.ShellCommand.run(ShellCommand.java:10)
    at com.github.hiteshsondhi88.libffmpeg.FFmpegExecuteAsyncTask.doInBackground(FFmpegExecuteAsyncTask.java:38)
    at com.github.hiteshsondhi88.libffmpeg.FFmpegExecuteAsyncTask.doInBackground(FFmpegExecuteAsyncTask.java:10)
    at android.os.AsyncTask$2.call(AsyncTask.java:287)
    at java.util.concurrent.FutureTask.run(FutureTask.java:234)
    at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:230)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1080)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:573)
    at java.lang.Thread.run(Thread.java:856)
    Caused by : java.io.IOException : No such file or directory
    at java.lang.ProcessManager.exec(Native Method)
    at java.lang.ProcessManager.exec(ProcessManager.java:209)
    at java.lang.Runtime.exec(Runtime.java:168) 
    at java.lang.Runtime.exec(Runtime.java:123) 
    at com.github.hiteshsondhi88.libffmpeg.ShellCommand.run(ShellCommand.java:10) 
    at com.github.hiteshsondhi88.libffmpeg.FFmpegExecuteAsyncTask.doInBackground(FFmpegExecuteAsyncTask.java:38) 
    at com.github.hiteshsondhi88.libffmpeg.FFmpegExecuteAsyncTask.doInBackground(FFmpegExecuteAsyncTask.java:10) 
    at android.os.AsyncTask$2.call(AsyncTask.java:287) 
    at java.util.concurrent.FutureTask.run(FutureTask.java:234) 
    at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:230) 
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1080) 
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:573) 
    at java.lang.Thread.run(Thread.java:856) 

    I have also added

  • java.io.IOException : Error running exec() Working Directory : null Environment : null

    23 janvier 2017, par Muhammad Hamza Shahid

    I am using WritingMinds/ffmpeg-android-java in application.

    here is my code

    loadFFmpeg();
    
String cmd="ffmpeg -i /storage/emulated/0/media/audio/a.mp3 -i  /storage/emulated/0/recording.3gp -filter_complex \"[0:a][1:a]amerge=inputs=2[aout]\" -map \"[aout]\" " + outputFile;
    
executeFFmpeg(cmd.split(" "));

    and

    private void loadFFmpeg() {
    
    FFmpeg ffmpeg = FFmpeg.getInstance(MainActivity.this.getApplicationContext());
    
    try {
    
        ffmpeg.loadBinary(new LoadBinaryResponseHandler() {
    

    
            @Override
    
            public void onStart() {}
    

    
            @Override
    
            public void onFailure() {}
    

    
            @Override
    
            public void onSuccess() {}
    

    
            @Override
    
            public void onFinish() {}
    
        });
    
    } catch (FFmpegNotSupportedException e) {
    
        // Handle if FFmpeg is not supported by device
    
    }
    
}
    

    
private void executeFFmpeg(String[] cmd)
    
{
    
    /*String workFolder = getApplicationContext().getFilesDir() + "/ffmpeg";
    
    String environment = Environment.getExternalStorageDirectory().getAbsolutePath();
    
    Map map = new HashMap();
    
    map.put("Working Directory", workFolder);
    
    map.put("Environment",environment);*/
    
    FFmpeg ffmpeg = FFmpeg.getInstance(MainActivity.this.getApplicationContext());
    
    try {
    
        // to execute "ffmpeg -version" command you just need to pass "-version"
    
        ffmpeg.execute(cmd, new ExecuteBinaryResponseHandler() {
    

    
            @Override
    
            public void onStart() {}
    

    
            @Override
    
            public void onProgress(String message) {}
    

    
            @Override
    
            public void onFailure(String message) {}
    

    
            @Override
    
            public void onSuccess(String message) {}
    

    
            @Override
    
            public void onFinish() {
    
                stop.setEnabled(false);
    
                play.setEnabled(true);
    
            }
    
        });
    
    } catch (FFmpegCommandAlreadyRunningException e) {
    
        // Handle if FFmpeg is already running
    
    }
    
}

    but I am getting following error

    6784-6962/com.flipartstudio.playandrecord E/FFmpeg : Exception while trying to run : [Ljava.lang.String ;@41803270
    java.io.IOException : Error running exec(). Command : [/data/data/com.flipartstudio.playandrecord/files/ffmpeg, /system/bin/ls, -l, /data/data/com.example.foo/files/ffmpeg] Working Directory : null Environment : null
    at java.lang.ProcessManager.exec(ProcessManager.java:211)
    at java.lang.Runtime.exec(Runtime.java:168)
    at java.lang.Runtime.exec(Runtime.java:123)
    at com.github.hiteshsondhi88.libffmpeg.ShellCommand.run(ShellCommand.java:10)
    at com.github.hiteshsondhi88.libffmpeg.FFmpegExecuteAsyncTask.doInBackground(FFmpegExecuteAsyncTask.java:38)
    at com.github.hiteshsondhi88.libffmpeg.FFmpegExecuteAsyncTask.doInBackground(FFmpegExecuteAsyncTask.java:10)
    at android.os.AsyncTask$2.call(AsyncTask.java:287)
    at java.util.concurrent.FutureTask.run(FutureTask.java:234)
    at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:230)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1080)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:573)
    at java.lang.Thread.run(Thread.java:856)
    Caused by : java.io.IOException : No such file or directory
    at java.lang.ProcessManager.exec(Native Method)
    at java.lang.ProcessManager.exec(ProcessManager.java:209)
    at java.lang.Runtime.exec(Runtime.java:168) 
    at java.lang.Runtime.exec(Runtime.java:123) 
    at com.github.hiteshsondhi88.libffmpeg.ShellCommand.run(ShellCommand.java:10) 
    at com.github.hiteshsondhi88.libffmpeg.FFmpegExecuteAsyncTask.doInBackground(FFmpegExecuteAsyncTask.java:38) 
    at com.github.hiteshsondhi88.libffmpeg.FFmpegExecuteAsyncTask.doInBackground(FFmpegExecuteAsyncTask.java:10) 
    at android.os.AsyncTask$2.call(AsyncTask.java:287) 
    at java.util.concurrent.FutureTask.run(FutureTask.java:234) 
    at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:230) 
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1080) 
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:573) 
    at java.lang.Thread.run(Thread.java:856) 

    I have also added

Navigation