video streamer

<?php

$digits                         = 4;
$path                           = "/tmp/capture/";
$prefix                         = "";
$extension                      = "ts";
$log_file                       = "/tmp/ffmpeg.log";
$buffer_size                    = 5;

function getChunkName($id, $path = ""){

    global $digits;
    global $prefix;
    global $extension;
    global $path;
    return $path.$prefix.str_pad($id+ 1, $digits, "0", STR_PAD_LEFT).".".$extension;

}

function writeLog( $data ){
    global $log_file;
    file_put_contents( $log_file, $data."\n", FILE_APPEND);
}

function displayChunk( $file_path ){
    writeLog($file_path);
    if( is_file ( $file_path ) ){
        readfile( $file_path );
    }else{
        writeLog( "ERROR ! Invalid path ".$file_path );
    }
}

$fileList                       = array();
$current                        = 0;
$d                              = opendir($path);
if ( ! $d) {
    die( "Failed to load source directory $path content" );
}
while (($c                      = readdir($d))!==false) {
        if (is_file($path."/".$c)) {
                $c              = intval($c);
                $fileList[]     = $c;
        }
}
closedir($d);
sort($fileList);
$current                        = 0;
if( count($fileList) > 1 ){
    $current                    = $fileList[count($fileList)-1];
}
if( count($fileList) <  $buffer_size ){
    $buffer_size                = count( $fileList);
}
$fileList                       = array_slice($fileList,count($fileList)-$buffer_size,$buffer_size-1);
// Now we read the X latest files (fill the buffer in ...)
writeLog("Filling the buffer");
foreach($fileList as $k) {
    displayChunk( getChunkName($k), $path );
}
$timeout                        = 60;
$noactivity                     = 0;
// Endless stream loop
while ( true ) {
    $file_path                  = getChunkName($current);
        if (file_exists($file_path)) {

            displayChunk( $file_path);
                // Update log record
                $current++;
                $noactivity             = 0;
        } else {
                sleep(1);
                $noactivity++;
                writeLog( $file_path.":".$noactivity);
                // go home live, you're finished
                if ($noactivity >= $timeout) {
                        die();
                }
        }
}