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POCapture FFMPEG output
 

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    <p>I need to read the output from ffmpeg in order to even try the solution to <a href="https://stackoverflow.com/questions/1106955/php-and-ffmpeg-performing-intelligent-video-conversion">my question from yesterday</a>. This is a separate issue from my problem there, so I made a new question.</p> <p>How the heck do I get the output from an <code>ffmpeg -i</code> command in PHP?</p> <p>This is what I've been trying:</p> <pre><code>&lt;?PHP error_reporting(E_ALL); $src = "/var/videos/video1.wmv"; $command = "/usr/bin/ffmpeg -i " . $src; echo "&lt;B&gt;",$command,"&lt;/B&gt;&lt;br/&gt;"; $command = escapeshellcmd($command); echo "backtick:&lt;br/&gt;&lt;pre&gt;"; `$command`; echo "&lt;/pre&gt;&lt;br/&gt;system:&lt;br/&gt;&lt;pre&gt;"; echo system($command); echo "&lt;/pre&gt;&lt;br/&gt;shell_exec:&lt;br/&gt;&lt;pre&gt;"; echo shell_exec($command); echo "&lt;/pre&gt;&lt;br/&gt;passthru:&lt;br/&gt;&lt;pre&gt;"; passthru($command); echo "&lt;/pre&gt;&lt;br/&gt;exec:&lt;br/&gt;&lt;pre&gt;"; $output = array(); exec($command,$output,$status); foreach($output AS $o) { echo $o , "&lt;br/&gt;"; } echo "&lt;/pre&gt;&lt;br/&gt;popen:&lt;br/&gt;&lt;pre&gt;"; $handle = popen($command,'r'); echo fread($handle,1048576); pclose($handle); echo "&lt;/pre&gt;&lt;br/&gt;"; ?&gt; </code></pre> <p>This is my output:</p> <pre><code>&lt;B&gt;/usr/bin/ffmpeg -i /var/videos/video1.wmv&lt;/B&gt;&lt;br/&gt; backtick:&lt;br/&gt; &lt;pre&gt;&lt;/pre&gt;&lt;br/&gt; system:&lt;br/&gt; &lt;pre&gt;&lt;/pre&gt;&lt;br/&gt; shell_exec:&lt;br/&gt; &lt;pre&gt;&lt;/pre&gt;&lt;br/&gt; passthru:&lt;br/&gt; &lt;pre&gt;&lt;/pre&gt;&lt;br/&gt; exec:&lt;br/&gt; &lt;pre&gt;&lt;/pre&gt;&lt;br/&gt; popen:&lt;br/&gt; &lt;pre&gt;&lt;/pre&gt;&lt;br/&gt; </code></pre> <p>I don't get it. <code>safe_mode</code> is off. There's nothing in <code>disable_functions</code>. The directory is <em>owned</em> by <code>www-data</code> (the apache user on my Ubuntu system). I get a valid status back from <code>exec()</code> and <code>system()</code> and running the same command from the command line give me tons of output. I feel like I must be missing something obvious but I have no idea what it is.</p>
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