function get_mp3duration($attachment)
{
require_once VIVVO_FS_INSTALL_ROOT . 'lib/zedwood/mp3file.php';
$mp3 = new mp3file($filename = VIVVO_FS_ROOT . VIVVO_FS_FILES_DIR . $attachment->real_path);
$metadata = $mp3->get_metadata();
if (isset($metadata['Length'])) {
return $metadata['Length'];
} else {
return ceil(filesize($filename) / 60000000);
// 128kbps, stereo
}
}
if (!($voiceshadow = $DB->get_record("voiceshadow", array("id" => $a)))) {
error("Course module is incorrect");
}
if (!($course = $DB->get_record("course", array("id" => $voiceshadow->course)))) {
error("Course is misconfigured");
}
if (!($cm = get_coursemodule_from_instance("voiceshadow", $voiceshadow->id, $course->id))) {
error("Course Module ID was incorrect");
}
}
$name = "var{$var}";
$linktofile = $CFG->wwwroot . '/mod/voiceshadow/file.php?file=' . $voiceshadow->{$name};
$file = voiceshadow_getfileid($voiceshadow->{$name});
$AF = new AudioFile();
if (is_file($file->fullpatch)) {
$AF->loadFile($file->fullpatch);
$duration = round($AF->wave_length);
if (empty($duration)) {
$m = new mp3file($file->fullpatch);
$a = $m->get_metadata();
$duration = $a['Length'];
}
}
if ($uid) {
$USER = $DB->get_record("user", array("id" => $uid));
}
if (empty($time)) {
$time = time();
}
$json = array("play" => $linktofile, "title" => $voiceshadow->name, "descr" => strip_tags($voiceshadow->intro), "type" => 'voiceshadow', "id" => $id, "cid" => $course->id, "uid" => $USER->id, "filename" => str_replace(" ", "_", $USER->username) . "_" . date("Ymd_Hi", $time), "duration" => $duration);
echo json_encode($json);
$name = preg_replace("/[^A-Z0-9._-]/i", "_", $audio_name . "." . $extension);
// if directory doesn't exist attempt to create it
if (!file_exists(UPLOAD_DIR)) {
mkdir(UPLOAD_DIR, 0700);
}
//stores the file location...relative directory
$fileLocation = UPLOAD_DIR . $name;
print_r($fileLocation);
// try to move the file to the proper directory
$success = move_uploaded_file($audioFile["tmp_name"], $fileLocation);
// if unsucessful print error and exit
if (!$success) {
echo "<p> unable to save file. </p>";
exit;
} else {
$mp3Info = new mp3file($fileLocation);
$mp3Data = $mp3Info->get_metadata();
$mp3Duration = $mp3Info->getDuration($mp3Data, 0);
$length = $mp3Data['Length mm:ss'];
// set permissions on the new file
chmod(UPLOAD_DIR . $name, 0644);
// add user's audio to db
$query = 'CALL audio_add("' . $audio_name . '","' . $extension . '","' . $bitrate . '","' . $tempo . '","' . $size . '","' . $length . '","' . $genre . '","' . $price . '","' . $member_id . '"' . ')';
$result = $db->query($query);
}
}
// no error found
} else {
$error_flag++;
echo "<p> Wrong file </p>";
echo $_FILES["audiofile"]["error"] . " " . $_FILES["audiofile"]["type"];
public static function samplelookup(&$mp3)
{
//bits MPEG1 MPEG2 MPEG2.5
$array = array();
$array['00'] = array('44100', '22050', '11025');
$array['01'] = array('48000', '24000', '12000');
$array['10'] = array('32000', '16000', '8000');
$array['11'] = array('res', 'res', 'res');
$whichcolumn = -1;
if (mp3file::is_mpeg10($mp3)) {
$whichcolumn = 0;
} else {
if (mp3file::is_mpeg20($mp3)) {
$whichcolumn = 1;
} else {
if (mp3file::is_mpeg25($mp3)) {
$whichcolumn = 2;
}
}
}
if (isset($array[$mp3['Sampling Freq Idx']][$whichcolumn])) {
return $array[$mp3['Sampling Freq Idx']][$whichcolumn];
} else {
return 'unknown';
}
}
