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<?php
/* SVN FILE: $Id$ */
/**
* @author Oliver Lillie (aka buggedcom) <publicmail@buggedcom.co.uk>
* @package PHPVideoToolkit
* @license BSD
* @copyright Copyright (c) 2008 Oliver Lillie <http://www.buggedcom.co.uk>
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy,
* modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software
* is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
* WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
* @see JEROEN WIJERING Flash Media Player,
* - @link http://www.jeroenwijering.com/?item=JW_FLV_Media_Player
* - @author Jeroen Wijering.
*/
// set the packet details as we are restricting the bandwidth
// the default details set here mean 5kb per second, ie dialup speed.
$packet_size = isset($_GET['packet_size']) ? intval($_GET['packet_size']) : (isset($_COOKIE['packet_size']) ? intval($_COOKIE['packet_size']) : 5);
$packet_interval = 1;
setcookie('packet_size', $packet_size, time()+7200, '/');
if(!isset($_GET['file']))
{
echo '<html><head><link type="text/css" rel="stylesheet" href="../common/styles.css"><script type="text/javascript" charset="utf-8" src="../common/pluginobject/pluginobject.js"></script><script>PO.Options.auto_load_prefix="../common/pluginobject/plugins/";</script><meta name="author" content="Oliver Lillie"></head><body>';
echo '<a class="backtoexamples" href="../index.php#examples">← Back to examples list</a><br /><br />';
echo '<strong>This example shows how to simply create an FLV stream script.</strong><br />';
echo '<span class="small">• The flash media player used below is Jeroen Wijering\'s excellent <a href="http://www.jeroenwijering.com/?item=JW_FLV_Media_Player">Flash Media Player</a>. Although bundled with this package the Flash Media Player has a <a href="http://creativecommons.org/licenses/by-nc-sa/2.0/">Creative Commons Attribution-Noncommercial-Share Alike 2.0 Generic</a> license.</span><br />';
echo '<span class="small">• The media is embedded using <a href="http://sourceforge.net/projects/pluginobject/">PluginObject</a> to embed the examples. It is distributed under a BSD License.</span><br /><br />';
}
// load the examples configuration
$ignore_config_output = true;
require_once '../example-config.php';
// set the flv file
$flv = PHPVIDEOTOOLKIT_EXAMPLE_ABSOLUTE_PATH.'working'.DS.'to-be-processed'.DS.'rickroll.flv';
// require the library
require_once '../../phpvideotoolkit.'.$use_version.'.php';
// temp directory
$tmp_dir = PHPVIDEOTOOLKIT_EXAMPLE_ABSOLUTE_PATH.'working'.DS.'tmp'.DS;
// start ffmpeg class
$toolkit = new PHPVideoToolkit($tmp_dir);
if(isset($_GET['file']))
{
// set the flv input
$toolkit->setInputFile($flv);
// get the incoming stream position
$stream_pos = isset($_GET['pos']) ? $_GET['pos'] : 0;
// in this example we will enable bandwidth limiting at the extreme and is not really practicle for live purposes
// it will only release 100 bytes of the file every second, thus it should take roughly 5 minutes to release a 29Mb file
// it will also prevent the browser cache from retaining the file.
$toolkit->flvStreamSeek($stream_pos, array('active'=>true, 'packet_size'=>$packet_size, 'packet_interval'=>$packet_interval), false);
exit;
//<- exits
}
$size = filesize($flv);
echo '<strong>Bandwidth Restrictions and Download Rate.</strong><br />';
echo 'The flv media is '.$size.' bytes, using the bandwidth speed limit of '.$packet_size.' kb/s media should be completely loaded in roughly '.$toolkit->formatSeconds(round($size/($packet_interval*1024*$packet_size*2), 1), '%hh hours, %mm minutes, %ss.%ms seconds').'.<br />';
echo 'This may not appear to be the case in the player as the player will buffer the contents, You should notice that after a while the player will re-buffer the file. This is because the file was not loaded directly but through this script which buffered the release of the flv.<br />';
echo 'However you can test this better by downloading <a href="example13.php?file=../working/to-be-processed/rickroll.flv&pos=0&packet_size='.$packet_size.'">this link</a>.<br />';
echo 'You should notice that the file is downloading as a normal file off the internet, however the flv will download at a extremely slowed rate (more like dial-up speed than broadband or DSL) even if you are testing this script on your localhost.<br />';
echo '<br />';
echo '<strong>Change the example bandwidth restriction.</strong><br />';
echo '<select onchange="document.location.href=\''.$_SERVER['PHP_SELF'].'?packet_size=\'+this.value">
<option label="5 kb/s (Dialup)" value="5"'.($packet_size == '5' ? ' selected' : '').'>5 kb/s (Dialup)</option>
<option label="10 kb/s" value="10"'.($packet_size == '10' ? ' selected' : '').'>10 kb/s</option>
<option label="20 kb/s" value="20"'.($packet_size == '20' ? ' selected' : '').'>20 kb/s</option>
<option label="40 kb/s" value="40"'.($packet_size == '40' ? ' selected' : '').'>40 kb/s</option>
<option label="80 kb/s" value="80"'.($packet_size == '80' ? ' selected' : '').'>80 kb/s</option>
<option label="160 kb/s" value="160"'.($packet_size == '160' ? ' selected' : '').'>160 kb/s</option>
</select><br />
<br />
<div id="embed-div"></div>
<script type="text/javascript" charset="utf-8">
PluginObject.embed("../../working/to-be-processed/rickroll.flv", {
width : 400,
height: 320,
force_plugin:PluginObject.Plugins.FlashMedia,
player: "../common/mediaplayer/player.swf",
force_into_id:"embed-div",
auto_fix_path:false,
variables: {
bufferlength : 3,
streamer: "../../php5/example13.php",
autostart: true
}
});
</script><br />
</body></html>';
// echo '<embed
// src="mediaplayer/mediaplayer.swf"
// width="400"
// height="320"
// allowfullscreen="true"
// flashvars="width=400&height=320&autostart=true&file=example13.php?file=to-be-processed/rickroll.flv&searchbar=false&streamscript=../example13.php"
// />';
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