getID3::ChannelsBitratePlaytimeCalculations

					} else {

						$VorbisCommentError = 'vorbiscomment.exe not found in '.GETID3_HELPERAPPSDIR;

					}

				} else {

					$commandline = 'vorbiscomment -w -c '.escapeshellarg($empty).' '.escapeshellarg($file).' '.escapeshellarg($temp).' 2>&1';
					$VorbisCommentError = `$commandline`;

				}

				if (!empty($VorbisCommentError)) {

					$this->warning('Failed making system call to vorbiscomment(.exe) - '.$algorithm.'_data will be incorrect. If vorbiscomment is unavailable, please download from http://www.vorbis.com/download.psp and put in the getID3() directory. Error returned: '.$VorbisCommentError);
					$this->info[$algorithm.'_data'] = false;

				} else {

					// Get hash of newly created file
					switch ($algorithm) {
						case 'md5':
							$this->info[$algorithm.'_data'] = md5_file($temp);
							break;

						case 'sha1':
							$this->info[$algorithm.'_data'] = sha1_file($temp);
							break;
					}
				}

				// Clean up
				unlink($empty);
				unlink($temp);

				// Reset abort setting
				ignore_user_abort($old_abort);

			}

		} else {

			if (!empty($this->info['avdataoffset']) || (isset($this->info['avdataend']) && ($this->info['avdataend'] < $this->info['filesize']))) {

				// get hash from part of file
				$this->info[$algorithm.'_data'] = getid3_lib::hash_data($this->info['filenamepath'], $this->info['avdataoffset'], $this->info['avdataend'], $algorithm);

			} else {

				// get hash from whole file
				switch ($algorithm) {
					case 'md5':
						$this->info[$algorithm.'_data'] = md5_file($this->info['filenamepath']);
						break;

					case 'sha1':
						$this->info[$algorithm.'_data'] = sha1_file($this->info['filenamepath']);
						break;
				}
			}