"allow_url_fopen" ist aktiviert. Weshalb funktioniert ein Aufruf mit "small.mp4", jedoch nicht "http://www.beispie.de/small.mp4"? ~~~php <? $root=getenv("DOCUMENT_ROOT"); $file = "small.mp4"; header("Content-Type: video/mp4"); //header("Content-Type: application/octet-stream"); // downloads the file $start=0; $size = filesize($file); $length = $size; $end = $size - 1; //header('HTTP/1.1 206 Partial Content'); header("Accept-Ranges: $start-$end"); header("Content-Range: bytes $start-$end/$size"); header("Content-Length: $length"); $data = fopen("$file", "r"); fseek($data, $start); $bytesleft = $size-$start + 1; $buffer = 1024 * 256; // 256kb while(!feof($data)){ if($bytesleft > $buffer){ echo fread($data, $buffer); flush(); }else{ echo fread($data, $bytesleft); flush(); } //sleep(1); // Speedlimit = one buffer per second } fclose($data); exit; ?> ~~~

"allow_url_fopen" ist aktiviert. Weshalb funktioniert ein Aufruf mit "small.mp4", jedoch nicht "http://www.beispie.de/small.mp4"? `<? $root=getenv("DOCUMENT_ROOT"); $file = "small.mp4"; header("Content-Type: video/mp4"); //header("Content-Type: application/octet-stream"); // downloads the file $start=0; $size = filesize($file); $length = $size; $end = $size - 1; //header('HTTP/1.1 206 Partial Content'); header("Accept-Ranges: $start-$end"); header("Content-Range: bytes $start-$end/$size"); header("Content-Length: $length"); $data = fopen("$file", "r"); fseek($data, $start); $bytesleft = $size-$start + 1; $buffer = 1024 * 256; // 256kb while(!feof($data)){ if($bytesleft > $buffer){ echo fread($data, $buffer); flush(); }else{ echo fread($data, $bytesleft); flush(); } //sleep(1); // Speedlimit = one buffer per second } fclose($data); exit; ?>`

"allow_url_fopen" ist aktiviert. Weshalb funktioniert ein Aufruf mit "small.mp4", jedoch nicht "http://www.beispie.de/small.mp4"? `<?php $file = "small.mp4"; if (is_file($file)) { header("Content-type: $mime_type"); if (isset($_SERVER['HTTP_RANGE'])) { // do it for any device that supports byte-ranges not only iPhone rangeDownload($file); } else { header("Content-Length: ".filesize($file)); readfile($file); } }else { // some error... } function rangeDownload($file) { $fp = @fopen($file, 'rb'); $size = filesize($file); // File size $length = $size; // Content length $start = 0; // Start byte $end = $size - 1; // End byte // Now that we've gotten so far without errors we send the accept range header /* At the moment we only support single ranges. * Multiple ranges requires some more work to ensure it works correctly * and comply with the spesifications: http://www.w3.org/Protocols/rfc2616/rfc2616-sec19.html#sec19.2 * * Multirange support annouces itself with: * header('Accept-Ranges: bytes'); * * Multirange content must be sent with multipart/byteranges mediatype, * (mediatype = mimetype) * as well as a boundry header to indicate the various chunks of data. */ header("Accept-Ranges: 0-$length"); // header('Accept-Ranges: bytes'); // multipart/byteranges // http://www.w3.org/Protocols/rfc2616/rfc2616-sec19.html#sec19.2 if (isset($_SERVER['HTTP_RANGE'])) { $c_start = $start; $c_end = $end; // Extract the range string list(, $range) = explode('=', $_SERVER['HTTP_RANGE'], 2); // Make sure the client hasn't sent us a multibyte range if (strpos($range, ',') !== false) { // (?) Shoud this be issued here, or should the first // range be used? Or should the header be ignored and // we output the whole content? header('HTTP/1.1 416 Requested Range Not Satisfiable'); header("Content-Range: bytes $start-$end/$size"); // (?) Echo some info to the client? exit; } // If the range starts with an '-' we start from the beginning // If not, we forward the file pointer // And make sure to get the end byte if spesified if ($range0 == '-') { // The n-number of the last bytes is requested $c_start = $size - substr($range, 1); } else { $range = explode('-', $range); $c_start = $range[0]; $c_end = (isset($range[1]) && is_numeric($range[1])) ? $range[1] : $size; } /* Check the range and make sure it's treated according to the specs. * http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html */ // End bytes can not be larger than $end. $c_end = ($c_end > $end) ? $end : $c_end; // Validate the requested range and return an error if it's not correct. if ($c_start > $c_end || $c_start > $size - 1 || $c_end >= $size) { header('HTTP/1.1 416 Requested Range Not Satisfiable'); header("Content-Range: bytes $start-$end/$size"); // (?) Echo some info to the client? exit; } $start = $c_start; $end = $c_end; $length = $end - $start + 1; // Calculate new content length fseek($fp, $start); header('HTTP/1.1 206 Partial Content'); } // Notify the client the byte range we'll be outputting header("Content-Range: bytes $start-$end/$size"); header("Content-Length: $length"); // Start buffered download $buffer = 1024 * 8; while(!feof($fp) && ($p = ftell($fp)) <= $end) { if ($p + $buffer > $end) { // In case we're only outputtin a chunk, make sure we don't // read past the length $buffer = $end - $p + 1; } set_time_limit(0); // Reset time limit for big files echo fread($fp, $buffer); flush(); // Free up memory. Otherwise large files will trigger PHP's memory limit. } fclose($fp); } ?>`