/** provides the file as download/streaming
* Request params:
* - tracknr
* - fileid
* - uploaded
* ( either tracknr or fileid or uploaded is required)
* - format optional. One of: mp3, ogg. If format is given, the file is converted to the given format, using command line invocations that are configured in app.yml
*
*
*/
public function executeDownload(sfWebRequest $request)
{
// write session, so it won't lock other requests
session_write_close();
$reqparamUploaded = $this->getRequestParameter('uploaded');
if ($reqparamUploaded) {
$filename = smintUploadFileHelper::getUploadPath() . $reqparamUploaded;
} else {
$tracknr = $this->getRequestParameter('tracknr');
if ($tracknr) {
$file = FilePeer::getFileByExternalKey($tracknr);
$filekey = $tracknr;
} else {
# check if file.id is given
$fileid = $this->getRequestParameter('fileid');
$file = FilePeer::retrieveByPK($fileid);
$filekey = $fileid;
}
//check if a file was found matching tracknr, else exit with 404
if ($file) {
$filename = $file->getUri();
} else {
$this->forward404("file not found in database.");
}
}
//check if a tracknr is given, otherwise exit with 404
if (!$filename) {
$this->forward404("Invalid query! Provide tracknr, fileid or uploaded to get a file.");
}
if (file_exists($filename)) {
//check if file is inside the folder configured in smint/config/app.yml
// or inside the upload folder
$mp3Path = dirname(sfConfig::get('app_files_mp3path') . "/file");
if (strpos($filename, $mp3Path) === false && strpos($filename, smintUploadFileHelper::getUploadPath()) === false) {
$this->forward404("file: {$filename} is outside of the configured path (app.yml): {$mp3Path}. Accessing files outside the path is not allowed. Check app.yml and URI in file table.");
}
// -----------------------------------------------
// -------------- check for format --------------
// if no format is given,
$reqparamFormat = $this->getRequestParameter('format');
if ($reqparamFormat) {
if (substr($filename, -3) === $reqparamFormat) {
mysfLog::log($this, "INFO: format parameter equals original audio file suffix. No conversion.");
if ($reqparamFormat === "mp3") {
$contenttype = "audio/mpeg";
} else {
$contenttype = "audio/{$reqparamFormat}";
}
} else {
// conversion
if ($reqparamFormat === "ogg") {
$filename = smintFileserverHelper::doFileConversion($filename, $reqparamFormat);
$contenttype = "audio/ogg";
} else {
if ($reqparamFormat === "mp3") {
$filename = smintFileserverHelper::doFileConversion($filename, $reqparamFormat);
$contenttype = "audio/mpeg";
} else {
if ($reqparamFormat === "waveform") {
$filename = smintFileserverHelper::doFileConversion($filename, $reqparamFormat);
$contenttype = "application/txt";
} else {
if ($reqparamFormat === "png") {
$waveformfilename = smintFileserverHelper::doFileConversion($filename, "waveform");
$wfdata = split(", ", file_get_contents($waveformfilename));
//mysfLog::log($this, print_r($wfdata, true));
// how much detail we want. Larger number means less detail
// (basically, how many bytes/frames to skip processing)
// the lower the number means longer processing time
// EP: in SMINT we do not chagne this. To change the detail, edit your waveform_resolution
// config param in app.yml!
define("DETAIL", 1);
// get user vars from form
$width = $this->getRequestParameter('width') ? rawurldecode($this->getRequestParameter('width')) : 640;
$height = $this->getRequestParameter('height') ? rawurldecode($this->getRequestParameter('height')) : 100;
$foreground = $this->getRequestParameter('fg') ? rawurldecode($this->getRequestParameter('fg')) : "#4D4D4D";
$background = $this->getRequestParameter('bg') ? rawurldecode($this->getRequestParameter('bg')) : "#ffffff";
$maxval = 0;
$factor = sfConfig::get('app_defaults_waveform_factor', 0.8);
// create original image width based on amount of detail
$img = imagecreatetruecolor(sizeof($wfdata) / DETAIL, $height);
// apply factor to the data
//$wfdata_factor = array_map("this->pow_func", $wfdata);
for ($i = 0; $i < sizeof($wfdata); $i += DETAIL) {
$wfdata[$i] = pow(abs($wfdata[$i]), $factor);
}
$datamaxval = max(array_map("abs", $wfdata));
$normconstant = doubleval($height) / doubleval($datamaxval);
for ($i = 0; $i < sizeof($wfdata); $i += DETAIL) {
$wfdata[$i] = $wfdata[$i] * $normconstant;
}
/*
for ($i = 0; $i < sizeof($wfdata); $i += DETAIL) {
if (abs($wfdata[$i]) > $maxval) {
$maxval = $wfdata[$i];
}
}
if ($maxval < 40) {
for ($i = 0; $i < sizeof($wfdata); $i += DETAIL) {
$wfdata[$i] = pow(abs($wfdata[$i]), 1.4);
}
}
* */
// fill background of image
if ($background == "") {
imagesavealpha($img, true);
$transparentColor = imagecolorallocatealpha($img, 0, 0, 0, 127);
imagefill($img, 0, 0, $transparentColor);
} else {
list($r, $g, $b) = smintTools::html2rgb($background);
imagefilledrectangle($img, 0, 0, sizeof($wfdata) / DETAIL, $height, imagecolorallocate($img, $r, $g, $b));
}
// generate foreground color
list($r, $g, $b) = smintTools::html2rgb($foreground);
// loop through frames/bytes of wav data as genearted above
for ($d = 0; $d < sizeof($wfdata); $d += DETAIL) {
// relative value based on height of image being generated
// data values can range between -127 and 128
$v = $wfdata[$d];
//$v = pow($v, sfConfig::get('app_defaults_waveform_factor', 0.8));
// draw the line on the image using the $v value and centering it vertically on the canvas
imageline($img, $d / DETAIL, ($height - $v) / 2, $d / DETAIL, ($height + $v) / 2, imagecolorallocate($img, $r, $g, $b));
}
// want it resized?
if ($width != imagesx($img)) {
// resample the image to the proportions defined in the form
$rimg = imagecreatetruecolor($width, $height);
// save alpha from original image
imagesavealpha($rimg, true);
imagealphablending($rimg, false);
// copy to resized
imagecopyresampled($rimg, $img, 0, 0, 0, 0, $width, $height, sizeof($wfdata) / DETAIL, $height);
$img = $rimg;
}
$contenttype = "image/png";
header("Content-type: {$contenttype}");
imagepng($img);
imagedestroy($img);
// dont render view
return sfView::NONE;
} else {
$error_message = "ERROR: Format {$reqparamFormat} not valid";
mysfLog::log($this, $error_message);
throw new Exception($error_message);
}
}
}
}
}
} else {
mysfLog::log($this, "INFO: format parameter not given, sending the original file ");
// assuming file ending as content type. Just an approximation
$contenttype = "audio/" . substr($filename, -3);
}
// do a redirect to file to have apache handle it
$this->redirect(smintUploadFileHelper::getDirectFileUrl_for_uploads($filename));
/* alternate version of redirect (not using symf framework)
* does not work better :-(
*
$url = smintUploadFileHelper::getDirectFileUrl_for_uploads($filename);
$statusCode = 302;
// redirect
$response = $this->context->getResponse();
$response->clearHttpHeaders();
$response->setStatusCode($statusCode);
$response->setHttpHeader('Location', $url);
$response->send();
throw new sfStopException();
// we do not reach this part b/o the redirect!
*
*/
// ------------ delegate to helper for download
// serves file, obeying the range header
smintFileserverHelper::serve_file_resumable($this->getResponse(), $filename, $contenttype);
// dont render view
return sfView::NONE;
//return sfView::HEADER_ONLY;
} else {
$missingfile = $filename ? $filename : "No filename found!";
$this->forward404("file for tracknr: not found: " . $missingfile);
}
}
/** This is executed when searched for related tracks and metadata */
public function executeRelatedtrack(sfWebRequest $request)
{
$this->getContext()->getConfiguration()->loadHelpers('Url');
$empty_metadatafilteredquery = false;
$distances = NULL;
$files = NULL;
// get request parameters
$metadataquery = $request->getParameter('metadataquery');
$tracknr = $request->getParameter('tracknr');
$limit = $request->getParameter('limit', $this->getContext()->getConfiguration()->getSmintMaxQueryResults());
$offset = $request->getParameter('offset', 0);
$id_prefix = $request->getParameter('id_prefix', '') . smintTools::generateHtmlId($tracknr) . "_";
$omit_empty_metadataquery = $request->getParameter('omit_empty_metadataquery', false);
$distancetypeid = sfConfig::get('app_defaults_distancetypeid', 0);
$featurevectortypeid = sfConfig::get('app_defaults_featurevectortypeid', 0);
mysfLog::logRequest($this, $request);
//get file via external key
$file = FilePeer::getFileByExternalKey($tracknr);
//only if the file was found in the smafestore db
if ($file) {
// run query
$fileTrackId = $file->getTrackid();
$relatedCriteria = $this->buildRelatedQuery($fileTrackId, $featurevectortypeid, $distancetypeid, $limit, $offset, $metadataquery);
$related = FilePeer::doSelect($relatedCriteria);
// if omit empty metadataquery is true
if ($omit_empty_metadataquery) {
if (count($related) > 0) {
// if the query returned results
$distances = DistancePeer::doSelect($relatedCriteria);
} else {
// if the query returned no results -> retry without metadata
$empty_metadatafilteredquery = true;
$relatedCriteria = $this->buildRelatedQuery($fileTrackId, $featurevectortypeid, $distancetypeid, $limit, $offset);
$related = FilePeer::doSelect($relatedCriteria);
$distances = DistancePeer::doSelect($relatedCriteria);
}
} else {
$distances = DistancePeer::doSelect($relatedCriteria);
}
}
$files = FiledescPeer::doSelect($relatedCriteria);
// add duration
// $fileDownloadURL = url_for("getAudioFile/download") . "?tracknr=" . rawurlencode($tracknr);
$queryFileMetadata = FiledescPeer::retrieveByPk($tracknr);
$fileInfoName = $queryFileMetadata->getTitle() . " - " . $queryFileMetadata->getPerformers();
$uploadedFilePHPUrl_incomplete = url_for("getAudioFile/download", true) . "?tracknr=" . rawurlencode($tracknr);
$uploadedFileURL = smintUploadFileHelper::getDirectFileUrl($file->getUri());
return $this->renderPartial('search/result', array('render' => 'related', 'uploadedFilePHPUrl_incomplete' => $uploadedFilePHPUrl_incomplete, 'uploadedFileURL' => $uploadedFileURL, 'seedLabel' => $fileInfoName, 'id_prefix' => $id_prefix, 'tracknr' => $tracknr, 'files' => $files, 'distances' => $distances, 'limit' => $limit, 'offset' => $offset, 'metadataquery' => $metadataquery, 'empty_metadatafilteredquery' => $empty_metadatafilteredquery, 'aSegmSearch' => $aSegmSearch));
}
/** Returns appropriate JS code for mp3 player config.
* @param $files Array of Filedesc instances
* @param $aSegmSearch Array with segmentation information
*
*/
public static function getMp3PlayerConfig($files = array(), $aSegmSearch = array())
{
//needed for javascript_tag
use_helper('JavascriptBase');
$player = sfConfig::get('app_mp3player_defaultplayer', 'worldpress');
switch ($player) {
case 'flash-mp3-player':
return '';
break;
case 'worldpress':
$playerConfig = sfConfig::get('app_mp3player_worldpress');
$autostart = isset($playerConfig['autostart']) ? $playerConfig['autostart'] : 'yes';
$width = isset($playerConfig['width']) ? $playerConfig['width'] : '200';
$skin = $playerConfig['skin'];
return javascript_tag("AudioPlayer.setup('" . public_path('audio-player/player.swf') . "', \n {\n width: '{$width}', \n autostart: '{$autostart}', \n animation: 'no', \n {$skin},\n });");
break;
case 'smintplayer':
default:
// get configuration
$playerConfig = sfConfig::get('app_mp3player_smintplayer');
// build options array of array. First dimension is list of files, second is assoc array with values for the player
$options = array();
if (!isset($aSegmSearch['enabled'])) {
$aSegmSearch['enabled'] = false;
}
foreach ($files as $i => $filedesc) {
$filerec = FilePeer::getFileByExternalKey($filedesc->getTracknr());
if (!isset($filerec)) {
// no recrod returned - maybe no metadata in the db?
$tmparray = array('text' => "(No metadata available)", 'audiofile_mp3' => url_for("getAudioFile/download", true) . "?fileid=" . rawurlencode($filedesc->getTracknr()) . "&format=mp3", 'audiofile_ogg' => url_for("getAudioFile/download", true) . "?tracknr=" . rawurlencode($filedesc->getTracknr()) . "&format=ogg", 'waveformfile' => url_for("getAudioFile/download", true) . "?tracknr=" . rawurlencode($filedesc->getTracknr()) . "&format=waveform", 'duration' => isset($iDurationMs) ? $iDurationMs : 0, 'segments' => $aSegmSearch['enabled'] ? $aSegmSearch['resultsegments'][$i] : array(), 'searchsimilarfunc' => 'smint_' . smintTools::generateHtmlId($filedesc->getTracknr()) . '()', 'backlinktext' => "License track from gettyimages music", 'backlinkurl' => url_for("search/redirect") . "?url=" . rawurlencode("http://www.gettyimages.at/music/download-songs/" . $filedesc->getTracknr() . "?ref=spec"));
} else {
$iBitrate = $filerec->getBitrate();
$sUri = $filerec->getUri();
// estimate duration
if (file_exists($sUri)) {
$iSize = filesize($sUri);
if ($iSize) {
// file size divided by bytes per second, times 1000 to get ms.
// bitrate is k bits per second, so multiply by 1024 to get bits, and divide by 8 to get bytes
$iDurationMs = intval($iSize / ($iBitrate * 1024 / 8) * 1000);
} else {
mysfLog::log($this, "DEBUG Could not read file size: {$sUri}");
$iDurationMs = 0;
}
} else {
mysfLog::log($this, "WARNING File does not exist: {$sUri}");
$iDurationMs = 0;
}
$tmparray = array('text' => $filedesc->getTitle() . ' | ' . $filedesc->getPerformers() . ' | ' . $filedesc->getGenre(), 'audiofile_mp3' => smintUploadFileHelper::getDirectFileUrl($filerec->getUri()), 'audiofile_ogg' => url_for("getAudioFile/download", true) . "?tracknr=" . rawurlencode($filedesc->getTracknr()) . "&format=ogg", 'waveformfile' => url_for("getAudioFile/download", true) . "?tracknr=" . rawurlencode($filedesc->getTracknr()) . "&format=waveform", 'duration' => isset($iDurationMs) ? $iDurationMs : 0, 'segments' => $aSegmSearch['enabled'] ? $aSegmSearch['resultsegments'][$i] : array(), 'searchsimilarfunc' => 'smint_' . smintTools::generateHtmlId($filedesc->getTracknr()) . '()', 'backlinktext' => "License track from gettyimages music", 'backlinkurl' => url_for("search/redirect") . "?url=" . rawurlencode("http://www.gettyimages.at/music/download-songs/" . $filedesc->getTracknr() . "?ref=spec"));
}
$options[] = $tmparray;
}
// we cannot put all these fields into one array since the output format must be like
// , A: XXXX, B: XXX
// and not
//, {A: XXXX, B: XXX}
return ", playlist: " . smintTools::my_options_for_javascript($options) . ", waveform_resolution: " . intval(sfConfig::get('app_defaults_waveform_resolution')) . ', waveform_factor: ' . doubleval(sfConfig::get('app_defaults_waveform_factor'));
break;
}
}