Timers WIP

Added getID3

1 files changed, 163 insertions, 0 deletions

diff --git a/getid3/module.audio.au.php b/getid3/module.audio.au.php
new file mode 100644
index 0000000..afbc75d
--- /dev/null
+++ b/getid3/module.audio.au.php
@@ -0,0 +1,163 @@
+<?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.au.php                                         //
+// module for analyzing AU files                               //
+// dependencies: NONE                                          //
+//                                                            ///
+/////////////////////////////////////////////////////////////////
+
+
+class getid3_au
+{
+
+	function getid3_au(&$fd, &$ThisFileInfo) {
+
+		fseek($fd, $ThisFileInfo['avdataoffset'], SEEK_SET);
+		$AUheader  = fread($fd, 8);
+
+		if (substr($AUheader, 0, 4) != '.snd') {
+			$ThisFileInfo['error'][] = 'Expecting ".snd" at offset '.$ThisFileInfo['avdataoffset'].', found "'.substr($AUheader, 0, 4).'"';
+			return false;
+		}
+
+		// shortcut
+		$ThisFileInfo['au'] = array();
+		$thisfile_au        = &$ThisFileInfo['au'];
+
+		$ThisFileInfo['fileformat']            = 'au';
+		$ThisFileInfo['audio']['dataformat']   = 'au';
+		$ThisFileInfo['audio']['bitrate_mode'] = 'cbr';
+		$thisfile_au['encoding']               = 'ISO-8859-1';
+
+		$thisfile_au['header_length']   = getid3_lib::BigEndian2Int(substr($AUheader,  4, 4));
+		$AUheader .= fread($fd, $thisfile_au['header_length'] - 8);
+		$ThisFileInfo['avdataoffset'] += $thisfile_au['header_length'];
+
+		$thisfile_au['data_size']             = getid3_lib::BigEndian2Int(substr($AUheader,  8, 4));
+		$thisfile_au['data_format_id']        = getid3_lib::BigEndian2Int(substr($AUheader, 12, 4));
+		$thisfile_au['sample_rate']           = getid3_lib::BigEndian2Int(substr($AUheader, 16, 4));
+		$thisfile_au['channels']              = getid3_lib::BigEndian2Int(substr($AUheader, 20, 4));
+		$thisfile_au['comments']['comment'][] =                      trim(substr($AUheader, 24));
+
+		$thisfile_au['data_format'] = $this->AUdataFormatNameLookup($thisfile_au['data_format_id']);
+		$thisfile_au['used_bits_per_sample'] = $this->AUdataFormatUsedBitsPerSampleLookup($thisfile_au['data_format_id']);
+		if ($thisfile_au['bits_per_sample'] = $this->AUdataFormatBitsPerSampleLookup($thisfile_au['data_format_id'])) {
+			$ThisFileInfo['audio']['bits_per_sample'] = $thisfile_au['bits_per_sample'];
+		} else {
+			unset($thisfile_au['bits_per_sample']);
+		}
+
+		$ThisFileInfo['audio']['sample_rate']  = $thisfile_au['sample_rate'];
+		$ThisFileInfo['audio']['channels']     = $thisfile_au['channels'];
+
+		if (($ThisFileInfo['avdataoffset'] + $thisfile_au['data_size']) > $ThisFileInfo['avdataend']) {
+			$ThisFileInfo['warning'][] = 'Possible truncated file - expecting "'.$thisfile_au['data_size'].'" bytes of audio data, only found '.($ThisFileInfo['avdataend'] - $ThisFileInfo['avdataoffset']).' bytes"';
+		}
+
+		$ThisFileInfo['playtime_seconds'] = $thisfile_au['data_size'] / ($thisfile_au['sample_rate'] * $thisfile_au['channels'] * ($thisfile_au['used_bits_per_sample'] / 8));
+		$ThisFileInfo['audio']['bitrate'] = ($thisfile_au['data_size'] * 8) / $ThisFileInfo['playtime_seconds'];
+
+		return true;
+	}
+
+	function AUdataFormatNameLookup($id) {
+		static $AUdataFormatNameLookup = array(
+			0  => 'unspecified format',
+			1  => '8-bit mu-law',
+			2  => '8-bit linear',
+			3  => '16-bit linear',
+			4  => '24-bit linear',
+			5  => '32-bit linear',
+			6  => 'floating-point',
+			7  => 'double-precision float',
+			8  => 'fragmented sampled data',
+			9  => 'SUN_FORMAT_NESTED',
+			10 => 'DSP program',
+			11 => '8-bit fixed-point',
+			12 => '16-bit fixed-point',
+			13 => '24-bit fixed-point',
+			14 => '32-bit fixed-point',
+
+			16 => 'non-audio display data',
+			17 => 'SND_FORMAT_MULAW_SQUELCH',
+			18 => '16-bit linear with emphasis',
+			19 => '16-bit linear with compression',
+			20 => '16-bit linear with emphasis + compression',
+			21 => 'Music Kit DSP commands',
+			22 => 'SND_FORMAT_DSP_COMMANDS_SAMPLES',
+			23 => 'CCITT g.721 4-bit ADPCM',
+			24 => 'CCITT g.722 ADPCM',
+			25 => 'CCITT g.723 3-bit ADPCM',
+			26 => 'CCITT g.723 5-bit ADPCM',
+			27 => 'A-Law 8-bit'
+		);
+		return (isset($AUdataFormatNameLookup[$id]) ? $AUdataFormatNameLookup[$id] : false);
+	}
+
+	function AUdataFormatBitsPerSampleLookup($id) {
+		static $AUdataFormatBitsPerSampleLookup = array(
+			1  => 8,
+			2  => 8,
+			3  => 16,
+			4  => 24,
+			5  => 32,
+			6  => 32,
+			7  => 64,
+
+			11 => 8,
+			12 => 16,
+			13 => 24,
+			14 => 32,
+
+			18 => 16,
+			19 => 16,
+			20 => 16,
+
+			23 => 16,
+
+			25 => 16,
+			26 => 16,
+			27 => 8
+		);
+		return (isset($AUdataFormatBitsPerSampleLookup[$id]) ? $AUdataFormatBitsPerSampleLookup[$id] : false);
+	}
+
+	function AUdataFormatUsedBitsPerSampleLookup($id) {
+		static $AUdataFormatUsedBitsPerSampleLookup = array(
+			1  => 8,
+			2  => 8,
+			3  => 16,
+			4  => 24,
+			5  => 32,
+			6  => 32,
+			7  => 64,
+
+			11 => 8,
+			12 => 16,
+			13 => 24,
+			14 => 32,
+
+			18 => 16,
+			19 => 16,
+			20 => 16,
+
+			23 => 4,
+
+			25 => 3,
+			26 => 5,
+			27 => 8,
+		);
+		return (isset($AUdataFormatUsedBitsPerSampleLookup[$id]) ? $AUdataFormatUsedBitsPerSampleLookup[$id] : false);
+	}
+
+}
+
+
+?>
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