public function execute() { requestUtils::handleConditionalGet(); $entry_id = $this->getRequestParameter("entry_id"); $ks_str = $this->getRequestParameter("ks"); $base64_referrer = $this->getRequestParameter("referrer"); $referrer = base64_decode($base64_referrer); if (!is_string($referrer)) { // base64_decode can return binary data $referrer = ""; } $clip_from = $this->getRequestParameter("clip_from", 0); // milliseconds $clip_to = $this->getRequestParameter("clip_to", 2147483647); // milliseconds if ($clip_to == 0) { $clip_to = 2147483647; } $request = $_SERVER["REQUEST_URI"]; // remove dynamic fields from the url so we'll request a single url from the cdn $request = str_replace("/referrer/{$base64_referrer}", "", $request); $request = str_replace("/ks/{$ks_str}", "", $request); // workaround the filter which hides all the deleted entries - // now that deleted entries are part of xmls (they simply point to the 'deleted' templates), we should allow them here $entry = entryPeer::retrieveByPKNoFilter($entry_id); if (!$entry) { KExternalErrors::dieError(KExternalErrors::ENTRY_NOT_FOUND); } myPartnerUtils::blockInactivePartner($entry->getPartnerId()); // set the memory size to be able to serve big files in a single chunk ini_set("memory_limit", "64M"); // set the execution time to be able to serve big files in a single chunk ini_set("max_execution_time", 240); if ($entry->getType() == entryType::MIX && $entry->getStatus() == entryStatus::DELETED) { // because the fiter was turned off - a manual check for deleted entries must be done. die; } else { if ($entry->getMediaType() == entry::ENTRY_MEDIA_TYPE_IMAGE) { $version = $this->getRequestParameter("version", null); $width = $this->getRequestParameter("width", -1); $height = $this->getRequestParameter("height", -1); $crop_provider = $this->getRequestParameter("crop_provider", null); $bgcolor = $this->getRequestParameter("bgcolor", "ffffff"); $type = $this->getRequestParameter("type", 1); $quality = $this->getRequestParameter("quality", 0); $src_x = $this->getRequestParameter("src_x", 0); $src_y = $this->getRequestParameter("src_y", 0); $src_w = $this->getRequestParameter("src_w", 0); $src_h = $this->getRequestParameter("src_h", 0); $vid_sec = $this->getRequestParameter("vid_sec", -1); $vid_slice = $this->getRequestParameter("vid_slice", -1); $vid_slices = $this->getRequestParameter("vid_slices", -1); if ($width == -1 && $height == -1) { $width = 640; $height = 480; } else { if ($width == -1) { // if only either width or height is missing reset them to zero, and convertImage will handle them $width = 0; } else { if ($height == -1) { $height = 0; } } } $tempThumbPath = myEntryUtils::resizeEntryImage($entry, $version, $width, $height, $type, $bgcolor, $crop_provider, $quality, $src_x, $src_y, $src_w, $src_h, $vid_sec, $vid_slice, $vid_slices); kFile::dumpFile($tempThumbPath, null, strpos($tempThumbPath, "_NOCACHE_") === false ? null : 0); } } $audio_only = $this->getRequestParameter("audio_only"); // milliseconds $flavor = $this->getRequestParameter("flavor", 1); // $flavor_param_id = $this->getRequestParameter("flavor_param_id", null); // $streamer = $this->getRequestParameter("streamer"); // if (substr($streamer, 0, 4) == "rtmp") { // the fms may add .mp4 to the end of the url $streamer = "rtmp"; } // grab seek_from_bytes parameter and normalize url $seek_from_bytes = $this->getRequestParameter("seek_from_bytes", -1); $request = str_replace("/seek_from_bytes/{$seek_from_bytes}", "", $request); if ($seek_from_bytes <= 0) { $seek_from_bytes = -1; } // grab seek_from parameter and normalize url $seek_from = $this->getRequestParameter("seek_from", -1); $request = str_replace("/seek_from/{$seek_from}", "", $request); if ($seek_from <= 0) { $seek_from = -1; } $this->dump_from_byte = 0; // reset accurate seek from timestamp $seek_from_timestamp = -1; // backward compatibility if ($flavor === "0") { // for edit version $flavor = "edit"; } if ($flavor === "1" || $flavor === 1) { // for play version $flavor = null; } // when flavor is null, we will get a default flavor if ($flavor == "edit") { $flavorAsset = flavorAssetPeer::retrieveBestEditByEntryId($entry->getId()); } elseif (!is_null($flavor)) { $flavorAsset = flavorAssetPeer::retrieveById($flavor); // when specific asset was request, we don't validate its tags if ($flavorAsset && ($flavorAsset->getEntryId() != $entry->getId() || $flavorAsset->getStatus() != flavorAsset::FLAVOR_ASSET_STATUS_READY)) { $flavorAsset = null; } // we will throw an error later } elseif (is_null($flavor) && !is_null($flavor_param_id)) { $flavorAsset = flavorAssetPeer::retrieveByEntryIdAndFlavorParams($entry->getId(), $flavor_param_id); if ($flavorAsset && $flavorAsset->getStatus() != flavorAsset::FLAVOR_ASSET_STATUS_READY) { $flavorAsset = null; } // we will throw an error later } else { if ($entry->getSource() == entry::ENTRY_MEDIA_SOURCE_WEBCAM) { $flavorAsset = flavorAssetPeer::retrieveOriginalByEntryId($entry->getId()); } else { $flavorAsset = flavorAssetPeer::retrieveBestPlayByEntryId($entry->getId()); } if (!$flavorAsset) { $flavorAssets = flavorAssetPeer::retreiveReadyByEntryIdAndTag($entry->getId(), flavorParams::TAG_WEB); if (count($flavorAssets) > 0) { $flavorAsset = $flavorAssets[0]; } } } if (is_null($flavorAsset)) { KExternalErrors::dieError(KExternalErrors::FLAVOR_NOT_FOUND); } $syncKey = $flavorAsset->getSyncKey(flavorAsset::FILE_SYNC_FLAVOR_ASSET_SUB_TYPE_ASSET); if (kFileSyncUtils::file_exists($syncKey, false)) { $path = kFileSyncUtils::getReadyLocalFilePathForKey($syncKey); } else { list($fileSync, $local) = kFileSyncUtils::getReadyFileSyncForKey($syncKey, true, false); if (is_null($fileSync)) { KalturaLog::log("Error - no FileSync for flavor [" . $flavorAsset->getId() . "]"); KExternalErrors::dieError(KExternalErrors::FILE_NOT_FOUND); } $remoteUrl = kDataCenterMgr::getRedirectExternalUrl($fileSync); $this->redirect($remoteUrl); } $flv_wrapper = new myFlvHandler($path); $isFlv = $flv_wrapper->isFlv(); // scrubbing is not allowed within mp4 files if (!$isFlv) { $seek_from = $seek_from_bytes = -1; } if ($seek_from !== -1 && $seek_from !== 0) { if ($audio_only === '0') { // audio_only was explicitly set to 0 - don't attempt to make further automatic investigations } elseif ($flv_wrapper->getFirstVideoTimestamp() < 0) { $audio_only = true; } list($bytes, $duration, $first_tag_byte, $to_byte) = $flv_wrapper->clip(0, -1, $audio_only); list($bytes, $duration, $from_byte, $to_byte, $seek_from_timestamp) = $flv_wrapper->clip($seek_from, -1, $audio_only); $seek_from_bytes = myFlvHandler::FLV_HEADER_SIZE + $flv_wrapper->getMetadataSize($audio_only) + $from_byte - $first_tag_byte; } // the direct path without a cdn is "http://s3kaltura.s3.amazonaws.com".$entry->getDataPath(); $extStorageUrl = $entry->getExtStorageUrl(); if ($extStorageUrl && substr_count($extStorageUrl, 's3kaltura')) { // if for some reason we didnt set our accurate $seek_from_timestamp reset it to the requested seek_from if ($seek_from_timestamp == -1) { $seek_from_timestamp = $seek_from; } $request_host = parse_url($extStorageUrl, PHP_URL_HOST); $akamai_url = str_replace($request_host, "cdns3akmi.kaltura.com", $extStorageUrl); $akamai_url .= $seek_from_bytes == -1 ? "" : "?aktimeoffset=" . floor($seek_from_timestamp / 1000); header("Location: {$akamai_url}"); die; } elseif ($extStorageUrl) { // if for some reason we didnt set our accurate $seek_from_timestamp reset it to the requested seek_from if ($seek_from_timestamp == -1) { $seek_from_timestamp = $seek_from; } $extStorageUrl .= $seek_from_bytes == -1 ? "" : "?aktimeoffset=" . floor($seek_from_timestamp / 1000); header("Location: {$extStorageUrl}"); die; } // use headers to detect cdn $cdn_name = ""; $via_header = @$_SERVER["HTTP_VIA"]; if (strpos($via_header, "llnw.net") !== false) { $cdn_name = "limelight"; } else { if (strpos($via_header, "akamai") !== false) { $cdn_name = "akamai"; } else { if (strpos($via_header, "Level3") !== false) { $cdn_name = "level3"; } } } // setting file extension - first trying frrom flavor asset $ext = $flavorAsset->getFileExt(); // if failed, set extension according to file type (isFlv) if (!$ext) { $ext = $isFlv ? "flv" : "mp4"; } $flv_extension = $streamer == "rtmp" ? "?" : "/a.{$ext}?novar=0"; // dont check for rtmp / and for an already redirect url if ($streamer != "rtmp" && strpos($request, $flv_extension) === false) { // check security using ks $securyEntryHelper = new KSecureEntryHelper($entry, $ks_str, $referrer); if ($securyEntryHelper->shouldPreview()) { $this->checkForPreview($securyEntryHelper, $clip_to); } else { $securyEntryHelper->validateForPlay($entry, $ks_str); } } else { // if needs security check using cdn authentication mechanism // for now assume this is a cdn request and don't check for security } // use limelight mediavault if either security policy requires it or if we're trying to seek within the video if ($entry->getSecurityPolicy() || $seek_from_bytes !== -1) { // we have three options: // arrived through limelight mediavault url - the url is secured // arrived directly through limelight (not secured through mediavault) - enforce ks and redirect to mediavault url // didnt use limelight - enforce ks // the cdns are configured to authenticate request for /s/.... // check if we're already in a redirected secure link using the "/s/" prefix $secure_request = substr($request, 0, 3) == "/s/"; if ($secure_request && ($cdn_name == "limelight" || $cdn_name == "level3")) { // request was validated by cdn let it through } else { // extract ks $ks_str = $this->getRequestParameter("ks", ""); if ($entry->getSecurityPolicy()) { if (!$ks_str) { $this->logMessage("flvclipper - no KS"); die; } $ks = kSessionUtils::crackKs($ks_str); if (!$ks) { $this->logMessage("flvclipper - invalid ks [{$ks_str}]"); die; } $matched_privs = $ks->verifyPrivileges("sview", $entry_id); $this->logMessage("flvclipper - verifyPrivileges name [sview], priv [{$entry_id}] [{$matched_privs}]"); if (!$matched_privs) { $this->logMessage("flvclipper - doesnt not match required privlieges [{$ks_str}]"); die; } } if ($cdn_name == "limelight") { $ll_url = requestUtils::getCdnHost() . "/s{$request}" . $flv_extension; $secret = kConf::get("limelight_madiavault_password"); $expire = "&e=" . (time() + 120); $ll_url .= $expire; $fs = $seek_from_bytes == -1 ? "" : "&fs={$seek_from_bytes}"; $ll_url .= "&h=" . md5("{$secret}{$ll_url}") . $fs; //header("Location: $ll_url"); $this->redirect($ll_url); } else { if ($cdn_name == "level3") { $level3_url = $request . $flv_extension; if ($entry->getSecurityPolicy()) { $level3_url = "/s{$level3_url}"; // set expire time in GMT hence the date("Z") offset $expire = "&nva=" . strftime("%Y%m%d%H%M%S", time() - date("Z") + 30); $level3_url .= $expire; $secret = kConf::get("level3_authentication_key"); $hash = "0" . substr(self::hmac('sha1', $secret, $level3_url), 0, 20); $level3_url .= "&h={$hash}"; } $level3_url .= $seek_from_bytes == -1 ? "" : "&start={$seek_from_bytes}"; header("Location: {$level3_url}"); die; } else { if ($cdn_name == "akamai") { $akamai_url = $request . $flv_extension; // if for some reason we didnt set our accurate $seek_from_timestamp reset it to the requested seek_from if ($seek_from_timestamp == -1) { $seek_from_timestamp = $seek_from; } $akamai_url .= $seek_from_bytes == -1 ? "" : "&aktimeoffset=" . floor($seek_from_timestamp / 1000); header("Location: {$akamai_url}"); die; } } } // a seek request without a supporting cdn - we need to send the answer from our server if ($seek_from_bytes !== -1 && $via_header === null) { $this->dump_from_byte = $seek_from_bytes; } } } // always add the file suffix to the request (needed for scrubbing by some cdns, // and also breaks without extension on some corporate antivirus). // we add the the novar paramter since a leaving a trailing "?" will be trimmed // and then the /seek_from request will result in another url which level3 // will try to refetch from the origin // note that for streamer we dont add the file extension if ($streamer != "rtmp" && strpos($request, $flv_extension) === false) { // a seek request without a supporting cdn - we need to send the answer from our server if ($seek_from_bytes !== -1 && $via_header === null) { $request .= "/seek_from_bytes/{$seek_from_bytes}"; } requestUtils::sendCdnHeaders("flv", 0); header("Location: {$request}" . $flv_extension); die; } // mp4 if (!$isFlv) { kFile::dumpFile($path); } $this->logMessage("flvclipperAction: serving file [{$path}] entry_id [{$entry_id}] clip_from [{$clip_from}] clip_to [{$clip_to}]", "warning"); if ($audio_only === '0') { // audio_only was explicitly set to 0 - don't attempt to make further automatic investigations } elseif ($flv_wrapper->getFirstVideoTimestamp() < 0) { $audio_only = true; } //$start = microtime(true); list($bytes, $duration, $from_byte, $to_byte, $from_ts, $cuepoint_pos) = myFlvStaticHandler::clip($path, $clip_from, $clip_to, $audio_only); $metadata_size = $flv_wrapper->getMetadataSize($audio_only); $this->from_byte = $from_byte; $this->to_byte = $to_byte; //$end1 = microtime(true); //$this->logMessage( "flvclipperAction: serving file [$path] entry_id [$entry_id] bytes [$bytes] duration [$duration] [$from_byte]->[$to_byte]" , "warning" ); //$this->logMessage( "flvclipperAction: serving file [$path] t1 [" . ( $end1-$start) . "]"); $data_offset = $metadata_size + myFlvHandler::getHeaderSize(); // if we're returning a partial file adjust the total size: // substract the metadata and bytes which are not delivered if ($this->dump_from_byte >= $data_offset && !$audio_only) { $bytes -= $metadata_size + max(0, $this->dump_from_byte - $data_offset); } $this->total_length = $data_offset + $bytes; //echo " $bytes , $duration ,$from_byte , $to_byte, $cuepoint_pos\n"; die; $this->cuepoint_time = 0; $this->cuepoint_pos = 0; if ($streamer == "chunked" && $clip_to != 2147483647) { $this->cuepoint_time = $clip_to - 1; $this->cuepoint_pos = $cuepoint_pos; $this->total_length += myFlvHandler::CUEPOINT_TAG_SIZE; } //$this->logMessage( "flvclipperAction: serving file [$path] entry_id [$entry_id] bytes with header & md [" . $this->total_length . "] bytes [$bytes] duration [$duration] [$from_byte]->[$to_byte]" , "warning" ); $this->flv_wrapper = $flv_wrapper; $this->audio_only = $audio_only; try { Propel::close(); } catch (Exception $e) { $this->logMessage("flvclipperAction: error closing db {$e}"); } return sfView::SUCCESS; }
/** * here we'll manipulate the video asset and set the from_byte & to_byte from the milliseconds * */ private static function fixMetadataImpl(&$xml_doc, &$total_duration, $timeline) { self::log(__METHOD__); /* $xml_doc = new DOMDocument(); $xml_doc->loadXML( $content ); */ // $meatadata_elem_list = $xml_doc->getElementsByTagName( "MetaData" ); // if ( $meatadata_elem_list != null && $meatadata_elem_list->length > 0 ) $duration_list = $xml_doc->getElementsByTagName("SeqDuration"); if ($duration_list != null && $duration_list->length > 0) { $total_duration = $duration_list->item(0)->nodeValue; } $xpath = new DOMXPath($xml_doc); $assets = $xpath->query($timeline == "video" ? "//VideoAssets/vidAsset" : ($timeline == "audio" ? "//AudioAssets/AudAsset" : "//VoiceAssets/voiAsset")); $lastTimestamp = 0; $real_start_byte = 0; // the start byte of the current clip in the final merged stream $calculated_total_bytes = 0; // use the entryPool and a 2-pass iteration to reduce the hits to the DB $id_list = array(); $entry_pool = new entryPool(); // first pass - populate the entryPool in a single request to the DB self::log(__METHOD__, "Before assets"); foreach ($assets as $asset) { $type = $asset->getAttribute("type"); if ($type != "VIDEO" && $type != "AUDIO") { continue; } // fetch the file name from the DB $asset_id = $asset->getAttribute("k_id"); $id_list[] = $asset_id; } self::log(__METHOD__, "After assets", count($id_list), $id_list); if ($id_list) { $entry_pool->addEntries(entryPeer::retrieveByPKsNoFilter($id_list)); } // second pass - the entryPool is supposed to already be populated $was_modified = false; foreach ($assets as $asset) { // fix only VIDEO assets $type = $asset->getAttribute("type"); if ($type != "VIDEO" && $type != "AUDIO") { continue; } // fetch the file name from the DB $asset_id = $asset->getAttribute("k_id"); self::log(__METHOD__, "in loop", $asset_id); //$entry = entryPeer::retrieveByPKNoFilter( $asset_id ); $entry = $entry_pool->retrieveByPK($asset_id); // is supposed to exist already in the pool if ($entry == NULL) { // set an error on the asset element $asset->setAttribute("fix_status", "error in k_id [{$asset_id}]"); $was_modified = true; continue; } elseif ($entry->getStatus() == entryStatus::DELETED) { // set an error on the asset element $asset->setAttribute("fix_status", "error in k_id [{$asset_id}] - asset was deleted"); $was_modified = true; continue; } $file_name = null; //TODO: need to work on only an FLV asset $flavor_asset_play = flavorAssetPeer::retrieveBestPlayByEntryId($entry->getId()); if (!$flavor_asset_play) { KalturaLog::log(__METHOD__ . ' ' . __LINE__ . ' no play flavor asset for entry ' . $entry->getId()); } else { $file_name = kFileSyncUtils::getReadyLocalFilePathForKey($flavor_asset_play->getSyncKey(flavorAsset::FILE_SYNC_FLAVOR_ASSET_SUB_TYPE_ASSET)); } $use_multi_flavor = false; $flavor_asset_edit = flavorAssetPeer::retrieveBestEditByEntryId($entry->getId()); if (!$flavor_asset_edit) { KalturaLog::log(__METHOD__ . ' ' . __LINE__ . ' no edit flavor asset for entry ' . $entry->getId()); } else { $flv_file_name_edit = kFileSyncUtils::getReadyLocalFilePathForKey($flavor_asset_edit->getSyncKey(flavorAsset::FILE_SYNC_FLAVOR_ASSET_SUB_TYPE_ASSET)); $use_multi_flavor = $flv_file_name_edit && file_exists($flv_file_name_edit) && $timeline == "video"; } if (!$flv_file_name_edit && !$file_name) { KalturaLog::log(__METHOD__ . ' ' . __LINE__ . ' no edit & play flavor assets for entry ' . $entry->getId()); continue; } $flv_file_name = kFile::fixPath($file_name); $stream_info_list = $asset->getElementsByTagName("StreamInfo"); foreach ($stream_info_list as $stream_info) { $file_name = "?"; try { $stream_info->setAttribute("file_name", kFileSyncUtils::getReadyLocalFilePathForKey($flavor_asset_play->getSyncKey(flavorAsset::FILE_SYNC_FLAVOR_ASSET_SUB_TYPE_ASSET))); // replaced__getDataPath $start_byte = $stream_info->getAttribute("start_byte"); $end_byte = $stream_info->getAttribute("end_byte"); $total_bytes = $stream_info->getAttribute("total_bytes"); if ($start_byte == NULL) { $start_byte = self::MISSING_VALUE; } if ($end_byte == NULL) { $end_byte = self::MISSING_VALUE; } if ($total_bytes == NULL) { $total_bytes = self::MISSING_VALUE; } $len_time = floor(1000 * $stream_info->getAttribute("len_time")); if (1 || $start_byte == self::MISSING_VALUE || $end_byte == self::MISSING_VALUE || $total_bytes == self::MISSING_VALUE) { // set the values from start_time & len_time - the original numbers are in seconds (with a decimal point) $start_time = floor(1000 * $stream_info->getAttribute("start_time")); $end_time = $start_time + $len_time; $real_start_byte += $calculated_total_bytes; $calculated_start_byte = 0; $calculated_end_byte = 0; $calculated_total_bytes = 0; $calculated_real_seek_time = 0; $calculated_start_byte_play = 0; $calculated_end_byte_play = 0; $calculated_total_bytes_play = 0; /* $file_name = $stream_info->getAttribute ( "file_name" ); $flv_file_name = kFile::fixPath( myContentStorage::getFSContentRootPath() . $file_name ); $ext = pathinfo ($flv_file_name, PATHINFO_EXTENSION); if ( $ext == NULL ) $flv_file_name .= ".flv"; */ try { self::log(__METHOD__, "before findBytesFromTimestamps", $flv_file_name); //$use_multi_flavor = myFlvStaticHandler::isMultiFlavor ( $flv_file_name ) && $timeline == "video"; $calculated_real_seek_time = $lastTimestamp; $start_time_play = null; if ($use_multi_flavor) { $start_time_play = $start_time; // play // $start_time_play - will be modified according to the first keyframe's time stamp AFTER (not before) the requested timestamp $result = myFlvStaticHandler::findBytesFromTimestamps($flv_file_name, $start_time_play, $end_time, $calculated_start_byte_play, $calculated_end_byte_play, $calculated_total_bytes_play, $lastTimestamp, $timeline != "video", 1); KalturaLog::log(__METHOD__ . ' ' . __LINE__ . " play {$result} = findBytesFromTimestamps({$flv_file_name} , {$start_time_play} , {$end_time} , {$calculated_start_byte_play} , {$calculated_end_byte_play} , {$calculated_total_bytes_play}, {$lastTimestamp}, {$timeline})"); if ($result) { if ($start_time_play != $start_time) { // we need to fill the gap between the user requested keyframe and the one actually found in the play (low res) flavor // edit - more keyfrmaes ! $result = myFlvStaticHandler::findBytesFromTimestamps($flv_file_name_edit, $start_time, $start_time_play, $calculated_start_byte, $calculated_end_byte, $calculated_total_bytes, $lastTimestamp, $timeline != "video", 2); KalturaLog::log(__METHOD__ . ' ' . __LINE__ . " edit {$result} = findBytesFromTimestamps({$flv_file_name} , {$start_time_play} , {$end_time} , {$calculated_start_byte_play} , {$calculated_end_byte_play} , {$calculated_total_bytes_play}, {$lastTimestamp}, {$timeline})"); } } } else { // no reason to have multi-flavor files // either because NOT video or because the edit flavor does not exist $result = myFlvStaticHandler::findBytesFromTimestamps($flv_file_name, $start_time, $end_time, $calculated_start_byte, $calculated_end_byte, $calculated_total_bytes, $lastTimestamp, $timeline != "video", 0); KalturaLog::log(__METHOD__ . ' ' . __LINE__ . " only play {$result} = findBytesFromTimestamps({$flv_file_name} , {$start_time_play} , {$end_time} , {$calculated_start_byte_play} , {$calculated_end_byte_play} , {$calculated_total_bytes_play}, {$lastTimestamp}, {$timeline})"); } self::log(__METHOD__, "after findBytesFromTimestamps", $flv_file_name); } catch (Exception $ex1) { debugUtils::log("Error while converting time2bytes in file [{$file_name}]\n{$ex1}"); echo "Error while converting time2bytes in file [{$file_name}]\n{$ex1}"; } $calculated_total_bytes += $calculated_total_bytes_play; if ($result) { if (1 || $start_byte == self::MISSING_VALUE) { $stream_info->setAttribute("start_byte", $calculated_start_byte); $stream_info->setAttribute("start_byte_play", $calculated_start_byte_play); } if (1 || $end_byte == self::MISSING_VALUE) { $stream_info->setAttribute("end_byte", $calculated_end_byte); $stream_info->setAttribute("end_byte_play", $calculated_end_byte_play); } if (1 || $calculated_total_bytes == self::MISSING_VALUE) { $stream_info->setAttribute("total_bytes", $calculated_total_bytes); $stream_info->setAttribute("real_start_byte", $real_start_byte); $stream_info->setAttribute("real_end_byte", $real_start_byte + $calculated_total_bytes); } if (1 || $calculated_real_seek_time == self::MISSING_VALUE) { // retrun the calculated_real_seek_time in seconds with 2 decimal points $stream_info->setAttribute("real_seek_time", number_format($calculated_real_seek_time / 1000, 3, '.', '')); } if ($asset->hasAttribute("fix_status")) { $asset->removeAttribute("fix_status"); } } elseif (!$result) { // set an error on the asset element $asset->setAttribute("fix_status", "Missing file or invalid FLV structure"); } $was_modified = true; } } catch (Exception $ex2) { echo "Error parsing file [{$file_name}]\n{$ex2}"; } } } return $xml_doc; /* if ( $was_modified ) { return $xml_doc->saveXML(); } else { // nothing was modified - use the original string return $content; } */ }