Timers WIP

Added getID3

1 files changed, 202 insertions, 0 deletions

diff --git a/getid3/module.audio.monkey.php b/getid3/module.audio.monkey.php
new file mode 100644
index 0000000..42382ad
--- /dev/null
+++ b/getid3/module.audio.monkey.php
@@ -0,0 +1,202 @@
+<?php
+/////////////////////////////////////////////////////////////////
+/// getID3() by James Heinrich <info@getid3.org>               //
+//  available at http://getid3.sourceforge.net                 //
+//            or http://www.getid3.org                         //
+/////////////////////////////////////////////////////////////////
+// See readme.txt for more details                             //
+/////////////////////////////////////////////////////////////////
+//                                                             //
+// module.audio.monkey.php                                     //
+// module for analyzing Monkey's Audio files                   //
+// dependencies: NONE                                          //
+//                                                            ///
+/////////////////////////////////////////////////////////////////
+
+
+class getid3_monkey
+{
+
+	function getid3_monkey(&$fd, &$ThisFileInfo) {
+		// based loosely on code from TMonkey by Jurgen Faul <jfaulØgmx*de>
+		// http://jfaul.de/atl  or  http://j-faul.virtualave.net/atl/atl.html
+
+		$ThisFileInfo['fileformat']            = 'mac';
+		$ThisFileInfo['audio']['dataformat']   = 'mac';
+		$ThisFileInfo['audio']['bitrate_mode'] = 'vbr';
+		$ThisFileInfo['audio']['lossless']     = true;
+
+		$ThisFileInfo['monkeys_audio']['raw'] = array();
+		$thisfile_monkeysaudio                = &$ThisFileInfo['monkeys_audio'];
+		$thisfile_monkeysaudio_raw            = &$thisfile_monkeysaudio['raw'];
+
+		fseek($fd, $ThisFileInfo['avdataoffset'], SEEK_SET);
+		$MACheaderData = fread($fd, 74);
+
+		$thisfile_monkeysaudio_raw['magic'] = substr($MACheaderData, 0, 4);
+		if ($thisfile_monkeysaudio_raw['magic'] != 'MAC ') {
+			$ThisFileInfo['error'][] = 'Expecting "MAC" at offset '.$ThisFileInfo['avdataoffset'].', found "'.$thisfile_monkeysaudio_raw['magic'].'"';
+			unset($ThisFileInfo['fileformat']);
+			return false;
+		}
+		$thisfile_monkeysaudio_raw['nVersion']             = getid3_lib::LittleEndian2Int(substr($MACheaderData, 4, 2)); // appears to be uint32 in 3.98+
+
+		if ($thisfile_monkeysaudio_raw['nVersion'] < 3980) {
+			$thisfile_monkeysaudio_raw['nCompressionLevel']    = getid3_lib::LittleEndian2Int(substr($MACheaderData, 6, 2));
+			$thisfile_monkeysaudio_raw['nFormatFlags']         = getid3_lib::LittleEndian2Int(substr($MACheaderData, 8, 2));
+			$thisfile_monkeysaudio_raw['nChannels']            = getid3_lib::LittleEndian2Int(substr($MACheaderData, 10, 2));
+			$thisfile_monkeysaudio_raw['nSampleRate']          = getid3_lib::LittleEndian2Int(substr($MACheaderData, 12, 4));
+			$thisfile_monkeysaudio_raw['nHeaderDataBytes']     = getid3_lib::LittleEndian2Int(substr($MACheaderData, 16, 4));
+			$thisfile_monkeysaudio_raw['nWAVTerminatingBytes'] = getid3_lib::LittleEndian2Int(substr($MACheaderData, 20, 4));
+			$thisfile_monkeysaudio_raw['nTotalFrames']         = getid3_lib::LittleEndian2Int(substr($MACheaderData, 24, 4));
+			$thisfile_monkeysaudio_raw['nFinalFrameSamples']   = getid3_lib::LittleEndian2Int(substr($MACheaderData, 28, 4));
+			$thisfile_monkeysaudio_raw['nPeakLevel']           = getid3_lib::LittleEndian2Int(substr($MACheaderData, 32, 4));
+			$thisfile_monkeysaudio_raw['nSeekElements']        = getid3_lib::LittleEndian2Int(substr($MACheaderData, 38, 2));
+			$offset = 8;
+		} else {
+			$offset = 8;
+			// APE_DESCRIPTOR
+			$thisfile_monkeysaudio_raw['nDescriptorBytes']       = getid3_lib::LittleEndian2Int(substr($MACheaderData, $offset,  4));
+			$offset += 4;
+			$thisfile_monkeysaudio_raw['nHeaderBytes']           = getid3_lib::LittleEndian2Int(substr($MACheaderData, $offset,  4));
+			$offset += 4;
+			$thisfile_monkeysaudio_raw['nSeekTableBytes']        = getid3_lib::LittleEndian2Int(substr($MACheaderData, $offset,  4));
+			$offset += 4;
+			$thisfile_monkeysaudio_raw['nHeaderDataBytes']       = getid3_lib::LittleEndian2Int(substr($MACheaderData, $offset,  4));
+			$offset += 4;
+			$thisfile_monkeysaudio_raw['nAPEFrameDataBytes']     = getid3_lib::LittleEndian2Int(substr($MACheaderData, $offset,  4));
+			$offset += 4;
+			$thisfile_monkeysaudio_raw['nAPEFrameDataBytesHigh'] = getid3_lib::LittleEndian2Int(substr($MACheaderData, $offset,  4));
+			$offset += 4;
+			$thisfile_monkeysaudio_raw['nTerminatingDataBytes']  = getid3_lib::LittleEndian2Int(substr($MACheaderData, $offset,  4));
+			$offset += 4;
+			$thisfile_monkeysaudio_raw['cFileMD5']               =                              substr($MACheaderData, $offset, 16);
+			$offset += 16;
+
+			// APE_HEADER
+			$thisfile_monkeysaudio_raw['nCompressionLevel']    = getid3_lib::LittleEndian2Int(substr($MACheaderData, $offset, 2));
+			$offset += 2;
+			$thisfile_monkeysaudio_raw['nFormatFlags']         = getid3_lib::LittleEndian2Int(substr($MACheaderData, $offset, 2));
+			$offset += 2;
+			$thisfile_monkeysaudio_raw['nBlocksPerFrame']      = getid3_lib::LittleEndian2Int(substr($MACheaderData, $offset, 4));
+			$offset += 4;
+			$thisfile_monkeysaudio_raw['nFinalFrameBlocks']    = getid3_lib::LittleEndian2Int(substr($MACheaderData, $offset, 4));
+			$offset += 4;
+			$thisfile_monkeysaudio_raw['nTotalFrames']         = getid3_lib::LittleEndian2Int(substr($MACheaderData, $offset, 4));
+			$offset += 4;
+			$thisfile_monkeysaudio_raw['nBitsPerSample']       = getid3_lib::LittleEndian2Int(substr($MACheaderData, $offset, 2));
+			$offset += 2;
+			$thisfile_monkeysaudio_raw['nChannels']            = getid3_lib::LittleEndian2Int(substr($MACheaderData, $offset, 2));
+			$offset += 2;
+			$thisfile_monkeysaudio_raw['nSampleRate']          = getid3_lib::LittleEndian2Int(substr($MACheaderData, $offset, 4));
+			$offset += 4;
+		}
+
+		$thisfile_monkeysaudio['flags']['8-bit']         = (bool) ($thisfile_monkeysaudio_raw['nFormatFlags'] & 0x0001);
+		$thisfile_monkeysaudio['flags']['crc-32']        = (bool) ($thisfile_monkeysaudio_raw['nFormatFlags'] & 0x0002);
+		$thisfile_monkeysaudio['flags']['peak_level']    = (bool) ($thisfile_monkeysaudio_raw['nFormatFlags'] & 0x0004);
+		$thisfile_monkeysaudio['flags']['24-bit']        = (bool) ($thisfile_monkeysaudio_raw['nFormatFlags'] & 0x0008);
+		$thisfile_monkeysaudio['flags']['seek_elements'] = (bool) ($thisfile_monkeysaudio_raw['nFormatFlags'] & 0x0010);
+		$thisfile_monkeysaudio['flags']['no_wav_header'] = (bool) ($thisfile_monkeysaudio_raw['nFormatFlags'] & 0x0020);
+		$thisfile_monkeysaudio['version']                = $thisfile_monkeysaudio_raw['nVersion'] / 1000;
+		$thisfile_monkeysaudio['compression']            = $this->MonkeyCompressionLevelNameLookup($thisfile_monkeysaudio_raw['nCompressionLevel']);
+		if ($thisfile_monkeysaudio_raw['nVersion'] < 3980) {
+			$thisfile_monkeysaudio['samples_per_frame']      = $this->MonkeySamplesPerFrame($thisfile_monkeysaudio_raw['nVersion'], $thisfile_monkeysaudio_raw['nCompressionLevel']);
+		}
+		$thisfile_monkeysaudio['bits_per_sample']        = ($thisfile_monkeysaudio['flags']['24-bit'] ? 24 : ($thisfile_monkeysaudio['flags']['8-bit'] ? 8 : 16));
+		$thisfile_monkeysaudio['channels']               = $thisfile_monkeysaudio_raw['nChannels'];
+		$ThisFileInfo['audio']['channels']               = $thisfile_monkeysaudio['channels'];
+		$thisfile_monkeysaudio['sample_rate']            = $thisfile_monkeysaudio_raw['nSampleRate'];
+		if ($thisfile_monkeysaudio['sample_rate'] == 0) {
+			$ThisFileInfo['error'][] = 'Corrupt MAC file: frequency == zero';
+			return false;
+		}
+		$ThisFileInfo['audio']['sample_rate']            = $thisfile_monkeysaudio['sample_rate'];
+		if ($thisfile_monkeysaudio['flags']['peak_level']) {
+			$thisfile_monkeysaudio['peak_level']         = $thisfile_monkeysaudio_raw['nPeakLevel'];
+			$thisfile_monkeysaudio['peak_ratio']         = $thisfile_monkeysaudio['peak_level'] / pow(2, $thisfile_monkeysaudio['bits_per_sample'] - 1);
+		}
+		if ($thisfile_monkeysaudio_raw['nVersion'] >= 3980) {
+			$thisfile_monkeysaudio['samples']            = (($thisfile_monkeysaudio_raw['nTotalFrames'] - 1) * $thisfile_monkeysaudio_raw['nBlocksPerFrame']) + $thisfile_monkeysaudio_raw['nFinalFrameBlocks'];
+		} else {
+			$thisfile_monkeysaudio['samples']            = (($thisfile_monkeysaudio_raw['nTotalFrames'] - 1) * $thisfile_monkeysaudio['samples_per_frame']) + $thisfile_monkeysaudio_raw['nFinalFrameSamples'];
+		}
+		$thisfile_monkeysaudio['playtime']               = $thisfile_monkeysaudio['samples'] / $thisfile_monkeysaudio['sample_rate'];
+		if ($thisfile_monkeysaudio['playtime'] == 0) {
+			$ThisFileInfo['error'][] = 'Corrupt MAC file: playtime == zero';
+			return false;
+		}
+		$ThisFileInfo['playtime_seconds']                = $thisfile_monkeysaudio['playtime'];
+		$thisfile_monkeysaudio['compressed_size']        = $ThisFileInfo['avdataend'] - $ThisFileInfo['avdataoffset'];
+		$thisfile_monkeysaudio['uncompressed_size']      = $thisfile_monkeysaudio['samples'] * $thisfile_monkeysaudio['channels'] * ($thisfile_monkeysaudio['bits_per_sample'] / 8);
+		if ($thisfile_monkeysaudio['uncompressed_size'] == 0) {
+			$ThisFileInfo['error'][] = 'Corrupt MAC file: uncompressed_size == zero';
+			return false;
+		}
+		$thisfile_monkeysaudio['compression_ratio']      = $thisfile_monkeysaudio['compressed_size'] / ($thisfile_monkeysaudio['uncompressed_size'] + $thisfile_monkeysaudio_raw['nHeaderDataBytes']);
+		$thisfile_monkeysaudio['bitrate']                = (($thisfile_monkeysaudio['samples'] * $thisfile_monkeysaudio['channels'] * $thisfile_monkeysaudio['bits_per_sample']) / $thisfile_monkeysaudio['playtime']) * $thisfile_monkeysaudio['compression_ratio'];
+		$ThisFileInfo['audio']['bitrate']                = $thisfile_monkeysaudio['bitrate'];
+
+		// add size of MAC header to avdataoffset
+		if ($thisfile_monkeysaudio_raw['nVersion'] >= 3980) {
+			$ThisFileInfo['avdataoffset'] += $thisfile_monkeysaudio_raw['nDescriptorBytes'];
+			$ThisFileInfo['avdataoffset'] += $thisfile_monkeysaudio_raw['nHeaderBytes'];
+			$ThisFileInfo['avdataoffset'] += $thisfile_monkeysaudio_raw['nSeekTableBytes'];
+			$ThisFileInfo['avdataoffset'] += $thisfile_monkeysaudio_raw['nHeaderDataBytes'];
+
+			$ThisFileInfo['avdataend'] -= $thisfile_monkeysaudio_raw['nTerminatingDataBytes'];
+		} else {
+			$ThisFileInfo['avdataoffset'] += $offset;
+		}
+
+		if ($thisfile_monkeysaudio_raw['nVersion'] >= 3980) {
+			if ($thisfile_monkeysaudio_raw['cFileMD5'] === str_repeat("\x00", 16)) {
+				//$ThisFileInfo['warning'][] = 'cFileMD5 is null';
+			} else {
+				$ThisFileInfo['md5_data_source'] = '';
+				$md5 = $thisfile_monkeysaudio_raw['cFileMD5'];
+				for ($i = 0; $i < strlen($md5); $i++) {
+					$ThisFileInfo['md5_data_source'] .= str_pad(dechex(ord($md5{$i})), 2, '00', STR_PAD_LEFT);
+				}
+				if (!preg_match('/^[0-9a-f]{32}$/', $ThisFileInfo['md5_data_source'])) {
+					unset($ThisFileInfo['md5_data_source']);
+				}
+			}
+		}
+
+
+
+		$ThisFileInfo['audio']['bits_per_sample'] = $thisfile_monkeysaudio['bits_per_sample'];
+		$ThisFileInfo['audio']['encoder']         = 'MAC v'.number_format($thisfile_monkeysaudio['version'], 2);
+		$ThisFileInfo['audio']['encoder_options'] = ucfirst($thisfile_monkeysaudio['compression']).' compression';
+
+		return true;
+	}
+
+	function MonkeyCompressionLevelNameLookup($compressionlevel) {
+		static $MonkeyCompressionLevelNameLookup = array(
+			0     => 'unknown',
+			1000  => 'fast',
+			2000  => 'normal',
+			3000  => 'high',
+			4000  => 'extra-high',
+			5000  => 'insane'
+		);
+		return (isset($MonkeyCompressionLevelNameLookup[$compressionlevel]) ? $MonkeyCompressionLevelNameLookup[$compressionlevel] : 'invalid');
+	}
+
+	function MonkeySamplesPerFrame($versionid, $compressionlevel) {
+		if ($versionid >= 3950) {
+			return 73728 * 4;
+		} elseif ($versionid >= 3900) {
+			return 73728;
+		} elseif (($versionid >= 3800) && ($compressionlevel == 4000)) {
+			return 73728;
+		} else {
+			return 9216;
+		}
+	}
+
+}
+
+?>
\ No newline at end of file