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POyoutube-dl and php exec
 

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    <p>I have installed youtube-dl on my CentOS 6 / Plesk 10 Dedicated server, and via SSH, everything works like a charm !</p> <p>The thing is I'm trying to write a php script which takes a POST parameter in containing the URL of the video I want to copy to the server, copy it and then process it with ffmpeg.</p> <p>I thought I would use the exec() function. </p> <p>I can get an output if I echo the results of <code>youtube-dl --help</code>, but everytime I ask php to execute a command which actually does something with the video, it returns a status of '1', and outputs nothing.</p> <p>Any ideas on what I'm doing wrong ?</p> <p>Here is my php code: </p> <pre><code>&lt;?php $result = array(); $status; $url = $_POST['src']; $string = 'youtube-dl "'.$url.'" -f 18 -o "/var/www/vhosts/my.virtual.host.net/httpdocs/downloader/downloads/%(id)s.%(ext)s"'; $string2 = 'youtube-dl --help'; exec($string, $result, $status); echo json_encode(array('status' =&gt; $status, 'url_orginal'=&gt;$url, 'url' =&gt; $result)); ?&gt; </code></pre> <p>When I execute $string2, I get status: "0" and "url": [youtube-dl help text lines]</p> <p>But when I execute $string, nothing happens, I get "status": "1" and nothing else, no video is downloaded. I've tried also a simulation with the "-g" parameter, and variants but as soon as youtube-dl has to fetch the video, it breaks.</p> <p>Thank you in advance !</p> <p>EDIT</p> <p>I edited my code so it looks like this :</p> <pre><code>&lt;?php $result = array(); $status; $url = $_POST['src']; $string = 'youtube-dl "'.$url.'" -f 18 -o "/var/www/vhosts/my.virtual.host.net/httpdocs/downloader/downloads/%(id)s.%(ext)s"'; $string2 = 'youtube-dl --help'; exec($string, $result, $status); echo json_encode(array('status' =&gt; $status, 'url_orginal'=&gt;$url, 'url' =&gt; $result, 'command' =&gt; $string)); ?&gt; </code></pre> <p>and the result, which I didn't get yesterday now is :</p> <pre><code>command: "youtube-dl "http://www.youtube.com/watch?v=coq9klG41R8" -f 18 -o "/var/www/vhosts/my.virtual.host.net/httpdocs/downloader/downloads/%(id)s.%(ext)s"" status: 1 url: 0: "[youtube] Setting language" 1: "[youtube] coq9klG41R8: Downloading video info webpage" 2: "[youtube] coq9klG41R8: Extracting video information" url_orginal: "http://www.youtube.com/watch?v=coq9klG41R8" </code></pre> <p>Which is weird, considering a) that yesterday I got an empty url[], and that b) even if now I get what apparently looks like a normal youtube-dl return, it only contains the 3 first lines, and I cannot see any video file in the specified path... Any ideas ?</p>
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    1. COcan you post the command string that is produced to download the video? (var_dump($string));
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    2. COI edited my question with new info, thank you for your help !
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