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  • La sauvegarde automatique de canaux SPIP

    1er avril 2010, par

    Dans le cadre de la mise en place d’une plateforme ouverte, il est important pour les hébergeurs de pouvoir disposer de sauvegardes assez régulières pour parer à tout problème éventuel.
    Pour réaliser cette tâche on se base sur deux plugins SPIP : Saveauto qui permet une sauvegarde régulière de la base de donnée sous la forme d’un dump mysql (utilisable dans phpmyadmin) mes_fichiers_2 qui permet de réaliser une archive au format zip des données importantes du site (les documents, les éléments (...)

  • Encodage et transformation en formats lisibles sur Internet

    10 avril 2011

    MediaSPIP transforme et ré-encode les documents mis en ligne afin de les rendre lisibles sur Internet et automatiquement utilisables sans intervention du créateur de contenu.
    Les vidéos sont automatiquement encodées dans les formats supportés par HTML5 : MP4, Ogv et WebM. La version "MP4" est également utilisée pour le lecteur flash de secours nécessaire aux anciens navigateurs.
    Les documents audios sont également ré-encodés dans les deux formats utilisables par HTML5 :MP3 et Ogg. La version "MP3" (...)

  • Other interesting software

    13 avril 2011, par

    We don’t claim to be the only ones doing what we do ... and especially not to assert claims to be the best either ... What we do, we just try to do it well and getting better ...
    The following list represents softwares that tend to be more or less as MediaSPIP or that MediaSPIP tries more or less to do the same, whatever ...
    We don’t know them, we didn’t try them, but you can take a peek.
    Videopress
    Website : http://videopress.com/
    License : GNU/GPL v2
    Source code : (...)

Sur d’autres sites (4565)

  • In ffmpeg : Can't get peak bitrate values within 10% error tolerance for HLS playlist files

    5 octobre 2019, par ALS20394

    I’m using ffmpeg to produce several HLS variant playlists from an .mp4 file. When I check master.m3u8 file with mediastreamvalidator I get :

    Error : Measured peak bitrate compared to master playlist declared value exceeds error tolerance

    I understand that the error percentage needs to be less than 10%, and figured it out on 1 variant but not the three others. I’ve spent quite a bit of time adjusting the -maxrate and the -buffsize but the error percentage change is minimal. Beginning to wonder if I’m misunderstanding something ?

    This is the latest of what I enter :

    ffmpeg -i FHVid.mp4 \
    
-b:v:0 5000k -maxrate 5250k -bufsize 5500k -profile:v main -c:v h264 -crf 20 -sc_threshold 0 -g 48 \
    
-b:v:1 2800k -maxrate 2940k -bufsize 3100k -profile:v main -c:v h264 -crf 20 -sc_threshold 0 -g 48 \
    
-b:v:2 1400k -maxrate 1540k -bufsize 1700k -profile:v main -c:v h264 -crf 20 -sc_threshold 0 -g 48 \
    
-b:v:3 800k -maxrate 840k -bufsize 1050k -profile:v main -c:v h264 -crf 20 -sc_threshold 0 -g 48 \
    
-b:a:0 192k \
    
-b:a:1 128k \
    
-b:a:2 128k \
    
-b:a:3 96k \
    
-c:a aac -ar 48000 -keyint_min 48 -map 0:v -map 0:a -map 0:v -map 0:a -map 0:v -map 0:a -map 0:v -map 0:a \
    
-f hls -var_stream_map "v:0,a:0  v:1,a:1 v:2,a:2 v:3,a:3" \
    
-master_pl_name FHVidmaster.m3u8 -hls_time 4 -hls_playlist_type vod \
    
-hls_segment_filename 'file_%v_%03d.ts' out_%v.m3u8

    but I’ve also tried max rates that seem to be more standard

    -b:v:0 5000k -maxrate 5500k -bufsize 6500k
    
-b:v:1 2800k -maxrate 3080k -bufsize 3200k
    
-b:v:2 1400k -maxrate 1540k -bufsize 1900k
    
-b:v:3 800k -maxrate 880k -bufsize 1050k

    The latest error message :

    Error: Measured peak bitrate compared to master playlist declared value exceeds error tolerance
    
--> Detail:  Measured: 1111.54 kb/s, Master playlist: 1680.80 kb/s, Error: 33.87%
    
--> Source:  /Users/Bun/Documents/CODING/CosmicPerspectiveAssets/01-FalconHeavy/HLS/FHVidmaster.m3u8
    
--> Compare: out_2.m3u8
    

    
--> Detail:  Measured: 1178.21 kb/s, Master playlist: 5711.20 kb/s, Error: 79.37%
    
--> Source:  /Users/Bun/Documents/CODING/CosmicPerspectiveAssets/01-FalconHeavy/HLS/FHVidmaster.m3u8
    
--> Compare: out_0.m3u8
    

    
--> Detail:  Measured: 1109.03 kb/s, Master playlist: 3220.80 kb/s, Error: 65.57%
    
--> Source:  /Users/Bun/Documents/CODING/CosmicPerspectiveAssets/01-FalconHeavy/HLS/FHVidmaster.m3u8
    
--> Compare: out_1.m3u8

    Any help would be greatly appreciated on the -maxrate and -buffsize for variant playlists 0, 1, and 2. No adjustment I make seems to make any difference.

  • How to limit duration of the video with Dropzonejs ?

    26 juin 2015, par SNaRe

    I have a form which I upload videos and duration/length of the video is important.

    After I upload the file with PHP, I check the duration of the video file size with FFMpeg.

    I calculate duration in PHP and need to send value of the duration via PHP somehow. I think I have to append the duration to $result variable of Json.

    This is my html

        
    

    
        <code class="echappe-js">&lt;script src=<br />
    
        &quot;//ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js&quot;&gt;&lt;/script&gt;
    
        

    &lt;script src=&quot;https://rawgit.com/enyo/dropzone/master/dist/dropzone.js&quot;&gt;&lt;/script&gt;
    

    &lt;script type=&quot;text/javascript&quot;&gt;<br />
    
<br />
    
        Dropzone.options.myDropzone = {<br />
    
<br />
    
        maxFiles: 1,<br />
    
        acceptedFiles: &quot;image/*,video/*&quot;,<br />
    
        maxfilesexceeded: function (file) {<br />
    
            this.removeAllFiles();<br />
    
            this.addFile(file);<br />
    
            $('#infomsg').hide();<br />
    
<br />
    
        },<br />
    
<br />
    
        init: function () {<br />
    
            $('#infomsg').hide();<br />
    
<br />
    
            this.on(&quot;success&quot;, function (result) {<br />
    
<br />
    
                $('#infomsg').show();<br />
    
<br />
    
<br />
    
                $(&quot;#boatAddForm&quot;).append($('&lt;input type=&quot;hidden&quot; ' +<br />
    
                    'name=&quot;files[]&quot; ' +<br />
    
                    'value=&quot;' + result.name + '&quot;&gt;'));<br />
    
<br />
    
            });<br />
    
        }<br />
    
        };<br />
    
<br />
    
<br />
    
        &lt;/script&gt;
    

    
            This is the most minimal example of Dropzone. The upload in this
    
            example doesn’t work, because there is no actual server to handle
    
            the file upload.

    This is my PHP

    &lt;?php
    
$ds          = DIRECTORY_SEPARATOR;
    

    
$storeFolder = 'uploads';
    

    
if (!empty($_FILES)) {
    

    
    $tempFile = $_FILES['file']['tmp_name'];
    

    
    $targetPath = dirname( __FILE__ ) . $ds. $storeFolder . $ds;
    

    
    $targetFile =  $targetPath. $_FILES['file']['name'];
    

    
    move_uploaded_file($tempFile,$targetFile);
    

    
} else {
    
    $result  = array();
    

    
    $files = scandir($storeFolder);                 //1
    
    if ( false!==$files ) {
    
        foreach ( $files as $file ) {
    
            if ( '.'!=$file &amp;&amp; '..'!=$file) {       //2
    
                $obj['name'] = $file;
    
                $obj['size'] = filesize($storeFolder.$ds.$file);
    
                $result[] = $obj;
    
            }
    
        }
    
    }
    

    
    header('Content-type: text/json');              //3
    
    header('Content-type: application/json');
    
    echo json_encode($result);
    
}

    If I could check a custom json response right after

     Dropzone.options.myDropzone = {

    like other requirements for success, I won’t have to right if statements in success in order to check the validation.

    Basically I want to do it as I do like

     maxFiles: 1,

    without writing any conditions inside success

  • How to limit duration of the video with Dropzonejs ?

    20 octobre 2017, par SNaRe

    I have a form which I upload videos and duration/length of the video is important.

    After I upload the file with PHP, I check the duration of the video file size with FFMpeg.

    I calculate duration in PHP and need to send value of the duration via PHP somehow. I think I have to append the duration to $result variable of Json.

    This is my html

        
    

    
        <code class="echappe-js">&lt;script src=<br />
    
        &quot;//ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js&quot;&gt;&lt;/script&gt;
    
        

    &lt;script src=&quot;https://rawgit.com/enyo/dropzone/master/dist/dropzone.js&quot;&gt;&lt;/script&gt;
    

    &lt;script type=&quot;text/javascript&quot;&gt;<br />
    
<br />
    
        Dropzone.options.myDropzone = {<br />
    
<br />
    
        maxFiles: 1,<br />
    
        acceptedFiles: &quot;image/*,video/*&quot;,<br />
    
        maxfilesexceeded: function (file) {<br />
    
            this.removeAllFiles();<br />
    
            this.addFile(file);<br />
    
            $('#infomsg').hide();<br />
    
<br />
    
        },<br />
    
<br />
    
        init: function () {<br />
    
            $('#infomsg').hide();<br />
    
<br />
    
            this.on(&quot;success&quot;, function (result) {<br />
    
<br />
    
                $('#infomsg').show();<br />
    
<br />
    
<br />
    
                $(&quot;#boatAddForm&quot;).append($('&lt;input type=&quot;hidden&quot; ' +<br />
    
                    'name=&quot;files[]&quot; ' +<br />
    
                    'value=&quot;' + result.name + '&quot;&gt;'));<br />
    
<br />
    
            });<br />
    
        }<br />
    
        };<br />
    
<br />
    
<br />
    
        &lt;/script&gt;
    

    
            This is the most minimal example of Dropzone. The upload in this
    
            example doesn’t work, because there is no actual server to handle
    
            the file upload.

    This is my PHP

    &lt;?php
    
$ds          = DIRECTORY_SEPARATOR;
    

    
$storeFolder = 'uploads';
    

    
if (!empty($_FILES)) {
    

    
    $tempFile = $_FILES['file']['tmp_name'];
    

    
    $targetPath = dirname( __FILE__ ) . $ds. $storeFolder . $ds;
    

    
    $targetFile =  $targetPath. $_FILES['file']['name'];
    

    
    move_uploaded_file($tempFile,$targetFile);
    

    
} else {
    
    $result  = array();
    

    
    $files = scandir($storeFolder);                 //1
    
    if ( false!==$files ) {
    
        foreach ( $files as $file ) {
    
            if ( '.'!=$file &amp;&amp; '..'!=$file) {       //2
    
                $obj['name'] = $file;
    
                $obj['size'] = filesize($storeFolder.$ds.$file);
    
                $result[] = $obj;
    
            }
    
        }
    
    }
    

    
    header('Content-type: text/json');              //3
    
    header('Content-type: application/json');
    
    echo json_encode($result);
    
}

    If I could check a custom json response right after

     Dropzone.options.myDropzone = {

    like other requirements for success, I won’t have to right if statements in success in order to check the validation.

    Basically I want to do it as I do like

     maxFiles: 1,

    without writing any conditions inside success

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