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authorTheTroll <trolldev@gmail.com>2010-02-25 15:51:44 +0100
committerTheTroll <trolldev@gmail.com>2010-02-25 15:51:44 +0100
commit45ee8db7fd22ff9c9fe200802ed4e179000a5bb4 (patch)
tree228425717006ca104f9b1dc46e4b38d53ea6f7cc /getid3/module.audio.dss.php
parent1d3095213541ba77015742a4c05cfcf66fd9c7e7 (diff)
downloadistreamdev-45ee8db7fd22ff9c9fe200802ed4e179000a5bb4.tar.gz
istreamdev-45ee8db7fd22ff9c9fe200802ed4e179000a5bb4.tar.bz2
Replaced mediainfo calls by getid3
Diffstat (limited to 'getid3/module.audio.dss.php')
-rw-r--r--getid3/module.audio.dss.php72
1 files changed, 72 insertions, 0 deletions
diff --git a/getid3/module.audio.dss.php b/getid3/module.audio.dss.php
new file mode 100644
index 0000000..b088739
--- /dev/null
+++ b/getid3/module.audio.dss.php
@@ -0,0 +1,72 @@
+<?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 Digital Speech Standard (DSS) files //
+// dependencies: NONE //
+// ///
+/////////////////////////////////////////////////////////////////
+
+
+class getid3_dss
+{
+
+ function getid3_dss(&$fd, &$ThisFileInfo) {
+
+ fseek($fd, $ThisFileInfo['avdataoffset'], SEEK_SET);
+ $DSSheader = fread($fd, 1256);
+
+ if (substr($DSSheader, 0, 4) != "\x02".'dss') {
+ $ThisFileInfo['error'][] = 'Expecting "[x02]dss" at offset '.$ThisFileInfo['avdataoffset'].', found "'.substr($DSSheader, 0, 4).'"';
+ return false;
+ }
+
+ // some structure information taken from http://cpansearch.perl.org/src/RGIBSON/Audio-DSS-0.02/lib/Audio/DSS.pm
+
+ // shortcut
+ $ThisFileInfo['dss'] = array();
+ $thisfile_dss = &$ThisFileInfo['dss'];
+
+ $ThisFileInfo['fileformat'] = 'dss';
+ $ThisFileInfo['audio']['dataformat'] = 'dss';
+ $ThisFileInfo['audio']['bitrate_mode'] = 'cbr';
+ //$thisfile_dss['encoding'] = 'ISO-8859-1';
+
+ $thisfile_dss['date_create'] = $this->DSSdateStringToUnixDate(substr($DSSheader, 38, 12));
+ $thisfile_dss['date_complete'] = $this->DSSdateStringToUnixDate(substr($DSSheader, 50, 12));
+ $thisfile_dss['length'] = intval(substr($DSSheader, 62, 6));
+ $thisfile_dss['priority'] = ord(substr($DSSheader, 793, 1));
+ $thisfile_dss['comments'] = trim(substr($DSSheader, 798, 100));
+
+
+ //$ThisFileInfo['audio']['bits_per_sample'] = ?;
+ //$ThisFileInfo['audio']['sample_rate'] = ?;
+ $ThisFileInfo['audio']['channels'] = 1;
+
+ $ThisFileInfo['playtime_seconds'] = $thisfile_dss['length'];
+ $ThisFileInfo['audio']['bitrate'] = ($ThisFileInfo['filesize'] * 8) / $ThisFileInfo['playtime_seconds'];
+
+ return true;
+ }
+
+ function DSSdateStringToUnixDate($datestring) {
+ $y = substr($datestring, 0, 2);
+ $m = substr($datestring, 2, 2);
+ $d = substr($datestring, 4, 2);
+ $h = substr($datestring, 6, 2);
+ $i = substr($datestring, 8, 2);
+ $s = substr($datestring, 10, 2);
+ $y += (($y < 95) ? 2000 : 1900);
+ return mktime($h, $i, $s, $m, $d, $y);
+ }
+
+}
+
+
+?> \ No newline at end of file