// dump 9kb of the file to analyze it
define('TMP_FILE', tempnam(sys_get_temp_dir(), 'fia'));
if ($BUFFER) {
define('HEADER_LENGTH', $BUFFER);
}
d(sprintf("Downloading %s bytes of the stream in temp file: %s", HEADER_LENGTH, TMP_FILE));
$src = fopen($INPUT, 'r');
$dest = fopen(TMP_FILE, 'w');
stream_copy_to_stream($src, $dest, HEADER_LENGTH);
fclose($src);
fclose($dest);
$INPUT = TMP_FILE;
}
d(sprintf("Analyzing: %s", $INPUT));
try {
$flvinfo = new X_FLVInfo();
$info = $flvinfo->getInfo($INPUT, true, true);
} catch (Exception $e) {
d(sprintf("Parser error: %s", $e->getMessage()));
d('----------------');
d($e->getTraceAsString());
d();
}
//d(var_export($info, true));
if (defined('TMP_FILE')) {
d(sprintf("Unlinking temp file: %s", TMP_FILE));
@unlink(TMP_FILE);
}
file_put_contents("test.metadata.log", print_r($info, true));
d("All done");
return 1;
public function getPositions($location, $sourceFile)
{
$positions = array();
try {
/* @var $cacheHelper X_VlcShares_Plugins_Helper_Cache */
$cacheHelper = X_VlcShares_Plugins::helpers('cache');
$positions = $cacheHelper->retrieveItem("streamseeker::{$location}");
if ($positions) {
$positions = @unserialize($positions);
}
X_Debug::i("Using positions values stored in cache about {$location}");
// return stored values
return $positions;
} catch (Exception $e) {
// no cache plugin or no positions cached
X_Debug::i("No FLV info in cache about {$location}");
}
// dump 9kb of the file to analyze it
$tmpFile = tempnam(sys_get_temp_dir(), 'fia');
$sampleSize = intval($this->options->get('samplesize', 100)) * 1000;
X_Debug::i("Downloading {$sampleSize} bytes in {$tmpFile} from {$sourceFile}");
$src = fopen($sourceFile, 'r');
$dest = fopen($tmpFile, 'w');
$copied = stream_copy_to_stream($src, $dest, $sampleSize);
fclose($src);
fclose($dest);
X_Debug::i("{$copied} bytes downloaded");
try {
$flvinfo = new X_FLVInfo();
$fileInfo = $flvinfo->getInfo($tmpFile, true, true);
if ($fileInfo->signature) {
$keyframes = @$fileInfo->rawMeta[1]['keyframes'];
$times = $keyframes->times;
$filepositions = $keyframes->filepositions;
$lastAdd = 0;
//$firstKey = 0;
$minDelta = intval($this->options->get('mindelta', 5)) * 60;
// mindelta is in minutes
// time to parse and filter the response
// filter using a minDelta function
foreach ($times as $key => $seconds) {
/*
if ( $key == 0 ) {
$firstKey = $filepositions[$key];
continue;
}*/
if ($seconds - $lastAdd > $minDelta) {
// new step
//$positions["{$filepositions[$key]},{$firstKey}"] = X_Env::formatTime(intval($seconds));
$positions[$filepositions[$key]] = X_Env::formatTime(intval($seconds));
$lastAdd = intval($seconds);
}
}
X_Debug::i("Valid position found in flv file: " . count($positions));
// parse done, store
try {
/* @var $cacheHelper X_VlcShares_Plugins_Helper_Cache */
$cacheHelper = X_VlcShares_Plugins::helpers('cache');
$cacheHelper->storeItem("streamseeker::{$location}", serialize($positions), $this->options->get('cachevalidity', 10));
} catch (Exception $e) {
X_Debug::e("Cache is disabled. This is really bad for streamseeker");
}
} else {
X_Debug::w("Wrong signature. Can't analyze");
}
} catch (Exception $e) {
X_Debug::e("FLVInfo throws an error: {$e->getMessage()}");
}
return $positions;
}
