我使用下面的脚本来下载youtube视频,它在localhost中的xamp工作正常,但是当我把它放在我的live wev服务器中它不工作时,我从
https://github.com/jeckman/YouTube-Downloader/blob/master/getvideo.php获得此代码
<?PHP // YouTube Downloader PHP // based on youtube-dl in Python http://rg3.github.com/youtube-dl/ // by Ricardo Garcia Gonzalez and others (details at url above) // // Takes a VideoID and outputs a list of formats in which the video can be // downloaded include_once('curl.PHP'); if(isset($_REQUEST['videoid'])) { $my_id = $_REQUEST['videoid']; } else { echo '<p>No video id passed in</p>'; exit; } if(isset($_REQUEST['type'])) { $my_type = $_REQUEST['type']; } else { $my_type = 'redirect'; } if(isset($_REQUEST['debug'])) { $debug = TRUE; } else { $debug = FALSE; } if ($my_type == 'Download') { ?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <title>Youtube Downloader</title> <Meta name="keywords" content="Video downloader,download youtube,video download,youtube video,youtube downloader,download youtube FLV,download youtube MP4,download youtube 3GP,PHP video downloader" /> <link href="css/bootstrap.min.css" rel="stylesheet" media="screen"> <style type="text/css"> body { padding-top: 40px; padding-bottom: 40px; background-color: #f5f5f5; } .download { max-width: 300px; padding: 19px 29px 29px; margin: 0 auto 20px; background-color: #fff; border: 1px solid #e5e5e5; -webkit-border-radius: 5px; -moz-border-radius: 5px; border-radius: 5px; -webkit-Box-shadow: 0 1px 2px rgba(0,.05); -moz-Box-shadow: 0 1px 2px rgba(0,.05); Box-shadow: 0 1px 2px rgba(0,.05); } .download .download-heading { margin-bottom: 10px; } .mime,.itag { width: 75px; display: inline-block; } .itag { width: 15px; } .userscript { float: right; margin-top: 5px } </style> </head> <body> <div class="download"> <h1 class="download-heading">Youtube Downloader Results</h1> <?PHP } // end of if for type=Download /* First get the video info page for this video id */ $my_video_info = 'http://www.youtube.com/get_video_info?&video_id='. $my_id; $my_video_info = curlGet($my_video_info); /* TODO: Check return from curl for status code */ parse_str($my_video_info); echo '<p><img src="'. $thumbnail_url .'" border="0" hspace="2" vspace="2"></p>'; $my_title = $title; if(isset($url_encoded_fmt_stream_map)) { /* Now get the url_encoded_fmt_stream_map,and explode on comma */ $my_formats_array = explode(',',$url_encoded_fmt_stream_map); //if($debug) { // echo '<pre>'; // print_r($my_formats_array); // echo '</pre>'; //} } else { echo '<p>No encoded format stream found.</p>'; echo '<p>Here is what we got from YouTube:</p>'; echo $my_video_info; } if (count($my_formats_array) == 0) { echo '<p>No format stream map found - was the video id correct?</p>'; exit; } /* create an array of available download formats */ $avail_formats[] = ''; $i = 0; foreach($my_formats_array as $format) { parse_str($format); $avail_formats[$i]['itag'] = $itag; $avail_formats[$i]['quality'] = $quality; $type = explode(';',$type); $avail_formats[$i]['type'] = $type[0]; $avail_formats[$i]['url'] = urldecode($url) . '&signature=' . $sig; parse_str(urldecode($url)); $avail_formats[$i]['expires'] = date("G:i:s T",$expire); $avail_formats[$i]['ipbits'] = $ipbits; $avail_formats[$i]['ip'] = $ip; $i++; } if ($debug) { echo '<p>These links will expire at '. $avail_formats[0]['expires'] .'</p>'; echo '<p>The server was at IP address '. $avail_formats[0]['ip'] .' which is an '. $avail_formats[0]['ipbits'] .' bit IP address. '; echo 'Note that when 8 bit IP addresses are used,the download links may fail.</p>'; } if ($my_type == 'Download') { echo '<ul> List of available formats for download:<br> <small>Right-click and choose "save as" or click "download" to use this server as proxy.</small> </ul>'; /* now that we have the array,print the options */ for ($i = 0; $i < count($avail_formats); $i++) { echo '<li>' . '<span class="itag">' . $avail_formats[$i]['itag'] . '</span> '. '<a href="' . $avail_formats[$i]['url'] . '" class="mime">' . $avail_formats[$i]['type'] . '</a> ' . '<small>(' . $avail_formats[$i]['quality'] . ' / ' . '<a href="download.PHP?mime=' . $avail_formats[$i]['type'] .'&title='. urlencode($my_title) .'&token=' . base64_encode($avail_formats[$i]['url']) . '" class="dl">download</a>' . ')</small></li>'; } echo '</ul>'; ?> <!-- @TODO: Prepend the base URI --> <a href="ytdl.user.js" class="userscript btn btn-mini" title="Install chrome extension to view a 'Download' link to this application on Youtube video pages."> Install Chrome Extension </a> </body> </html> <?PHP } else { /* In this else,the request didn't come from a form but from something else * like an RSS Feed. * As a result,we just want to return the best format,which depends on what * the user provided in the url. * If they provided "format=best" we just use the largest. * If they provided "format=free" we provide the best non-flash version * If they provided "format=ipad" we pull the best MP4 version * * Thanks to the python based youtube-dl for info on the formats * http://rg3.github.com/youtube-dl/ */ $format = $_REQUEST['format']; $target_formats = ''; switch ($format) { case "best": /* largest formats first */ $target_formats = array('38','37','46','22','45','35','44','34','18','43','6','5','17','13'); break; case "free": /* Here we include WebM but prefer it over FLV */ $target_formats = array('38','13'); break; case "ipad": /* here we leave out WebM video and FLV - looking for MP4 */ $target_formats = array('37','17'); break; default: /* If they passed in a number use it */ if (is_numeric($format)) { $target_formats[] = $format; } else { $target_formats = array('38','13'); } break; } /* Now we need to find our best format in the list of available formats */ $best_format = ''; for ($i=0; $i < count($target_formats); $i++) { for ($j=0; $j < count ($avail_formats); $j++) { if($target_formats[$i] == $avail_formats[$j]['itag']) { //echo '<p>Target format found,it is '. $avail_formats[$j]['itag'] .'</p>'; $best_format = $j; break 2; } } } //echo '<p>Out of loop,best_format is '. $best_format .'</p>'; $redirect_url = $avail_formats[$best_format]['url']; $content_type = $avail_formats[$best_format]['type']; header("Location: $redirect_url"); } // end of else for type not being Download ?>
