initial commit

README

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+Audio Solution Pack
+Adds all required Fedora objects to allow users to ingest nd retrieve audio files through the Islandora interface

audio_sp.inc

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+
+<?php
+
+// $Id$
+
+class Exiftool {
+
+  private $pid = NULL;
+  private $item = NULL;
+
+  function __construct($pid) {
+    //drupal_bootstrap(DRUPAL_BOOTSTRAP_FULL);
+    $this->pid = $pid;
+    module_load_include('inc', 'fedora_repository', 'api/fedora_item');
+    $this->item = new Fedora_Item($this->pid);
+  }
+
+  function extractMetadata($parameterArray, $dsid, $file, $file_ext) {
+    $system = getenv('System');
+    $file_suffix = '_' . $dsid . '.xml';
+    $returnValue = TRUE;
+    $output = array();
+    exec('exiftool -X ' . escapeshellarg($file) . '', $output);
+    file_put_contents($file . $file_suffix, implode("\n", $output));
+    $_SESSION['fedora_ingest_files']["$dsid"] = $file . $file_suffix;
+    return TRUE;
+  }
+
+  function displayMetadata() {
+    $output = '';
+    $exif = $this->item->get_datastream_dissemination('EXIF');
+    if (trim($exif) != '') {
+      $exifDom = DOMDocument::loadXML($this->item->get_datastream_dissemination('EXIF'));
+      if ($exifDom != NULL) {
+        $description = $exifDom->getElementsByTagNameNS('http://www.w3.org/1999/02/22-rdf-syntax-ns#', 'Description');
+        if ($description->length > 0) {
+          $description = $description->item(0);
+          $output .= '<div class="fedora_technical_metadata"><ul>';
+          for ($i = 0; $i < $description->childNodes->length; $i++) {
+            $name = $description->childNodes->item($i)->nodeName;
+            $value = $description->childNodes->item($i)->nodeValue;
+            if ($name != '#text' && !preg_match('/^System\:.*$/', $name) && trim($value) != '') {
+              list($type, $name) = preg_split('/\:/', $name);
+              $name = trim(preg_replace('/(?<!^)([A-Z][a-z]|(?<=[a-z])[A-Z])/', " $1", $name));
+              $output .= '<li><b>' . $name . '</b>:  ' . $value . ' </li>';
+            }
+          }
+          $output.='</ul></div>';
+
+          $fieldset = array(
+            '#title' => t("!text", array('!text' => 'Technical Metadata')),
+            '#collapsible' => TRUE,
+            '#collapsed' => TRUE,
+            '#value' => $output
+          );
+          $output = theme('fieldset', $fieldset);
+        }
+      }
+    }
+    return $output;
+  }
+
+}
+
+class AudioManipulation {
+
+  function AudioManipulation() {
+    module_load_include('inc', 'fedora_repository', 'ObjectHelper');
+  }
+
+  function createMP3($parameterArray = NULL, $dsid, $file, $file_ext) {
+    $file_suffix = "_$dsid.$file_ext";
+    $return_value = TRUE;
+
+    $output = array();
+
+    exec('lame "' . $file . $file . 'mp3' . '" -V5 --vbr-new "', $output, $returnValue);
+
+    if ($returnValue == '0') {
+      $_SESSION['fedora_ingest_files']["PROXY_MP3"] = $file . 'mp3';
+    }
+    else {
+      ObjectHelper::warnIfMisconfigured('LAME'); /// need to add this to ObjectHelper
+    }
+  }
+
+}
+
+class SWFAudioPlayer {
+
+  private $pid = NULL;
+
+  function __construct($pid) {
+    $this->pid = $pid;
+  }
+
+  function showMP3() {
+
+    global $base_url;
+    $swfURL = $base_url . base_path() . 'fedora/repository/' . $this->pid . '/PROXY_MP3/MP3.mp3';
+    $swfImageURL = $base_url . base_path() . 'fedora/repository/' . $this->pid . '/TN/tn.jpg';
+
+    //PROXY_MP3 is the datastream id
+    $path = drupal_get_path('module', 'Fedora_Repository');
+    $fullPath = base_path() . $path;
+    $content = "";
+    $pathTojs = "/sites/all/libraries/mediaplayer4/jwplayer.js";
+    drupal_add_js("$pathTojs");
+
+    //swfobject.js is being loaded from swftools module but we are adding the path to jwplayer.js as it is needed as well
+    // if swftools are not enabled uncomment this to here drupal_add_js("sites/all/libraries/swfobject/swfobject.js");
+    // drupal_add_js("sites/all/libraries/swfobject/swfobject.js");
+
+    $content .= '<video id="flashContent"><a href="http://www.macromedia.com/go/getflashplayer">Get the Flash Player</a> to see this player.</video>';
+    $content .= '<div id="dl_link"><a href="' . $swfURL . '">Download MP3</a></div>';
+
+// player bits
+
+    $js_string = <<<ENDJS
+
+var swfVersionStr = "10.0.0";
+var flashvars = { file:escape("$swfURL"),image:escape("$swfImageURL"),autostart:'false' };
+var params = { allowfullscreen:'false', allowscriptaccess:'false' };
+var attributes = { id:'AudioViewer', name:'AudioViewer' };
+swfobject.embedSWF('/sites/all/libraries/mediaplayer4/player.swf','flashContent','400','200','9.0.115','false',flashvars, params, attributes);
+swfobject.createCSS("#flashContent", "display:block;text-align:left;");
+ENDJS;
+    drupal_add_js($js_string, 'inline', 'header');
+
+    $collection_fieldset = array(
+      '#title' => t('Audio'),
+      '#collapsible' => TRUE,
+      '#collapsed' => FALSE,
+      '#value' => $content);
+    return theme('fieldset', $collection_fieldset);
+  }
+
+}

islandora_audio_sp.info

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+; $Id$ 
+name = Islandora Audio Solution Pack
+description = Islandora configurations for persisting and retrieving audio files
+dependencies[] = fedora_repository
+
+package = Islandora
+version = 6.1dev
+core = 6.x

islandora_audio_sp.install

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+<?php
+
+function islandora_audio_sp_requirements($phase) {
+  global $base_url;
+
+  $requirements = array();
+
+
+    $requirements['fedora-lame']['title'] = t("Lame in \$PATH");
+    $result = exec('lame');
+    if (!$result) {
+      $requirements['fedora-lame']['value'] = t('Not in $PATH');
+      $requirements['fedora-lame']['description'] = t('Islandora will not be able to process audio. Click <a href="http://lame.sourceforge.net/download.php">here</a> for installation instructions');
+      $requirements['fedora-lame']['severity'] = REQUIREMENT_WARNING;
+    }
+    else {
+      $requirements['fedora-lame']['value'] = t("Available");
+      $requirements['fedora-lame']['severity'] = REQUIREMENT_OK;
+    }
+
+
+
+  return $requirements;
+}

islandora_audio_sp.module

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+<?php
+
+// $Id$
+
+
+function islandora_audio_sp_required_fedora_objects() {
+
+
+  $module_path = drupal_get_path('module', 'islandora_audio_sp');
+
+  // array( 'path-to-foxml-file', 'pid', 'dsid', 'path-to-datastream-file', int dsversion, boolean required)
+  // make database insertions here.
+
+
+  return array(
+    'islandora_audio_sp' => array(
+      'module' => 'slandora_audio_sp',
+      'title' => 'Islandora Audio Solution Pack',
+      'objects' => array(
+        array(
+          'foxml_file' => "$module_path/xml/islandora_sp_audioCModel.xml",
+          'pid' => 'islandora:sp-audioCModel',
+          'dsid' => NULL,
+          'datastream_file' => NULL,
+          'dsversion' => NULL,
+        ),
+
+        array(
+          'pid' => 'islandora:audio_collection',
+          'label' => 'Audio Collection',
+          'cmodel' => 'islandora:collectionCModel',
+          'parent' => 'islandora:top',
+          'datastreams' => array(
+            array(
+              'dsid' => 'COLLECTION_POLICY',
+              'datastream_file' => "$module_path/xml/audio_collection_policy.xml",
+            ),
+            array(
+              'dsid' => 'TN',
+              'datastream_file' => "$module_path/images/audio-TN.jpg",
+              'mimetype' => 'image/png',
+            ),
+          ),
+        ),
+      ),
+    ),
+  );
+}
+

xml/audio_collection_policy.xml

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+<collection_policy xmlns="http://www.islandora.ca"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" name="Island Voices Audio Collection"
+    xsi:schemaLocation="http://www.islandora.ca http://syn.lib.umanitoba.ca/collection_policy.xsd">
+    <content_models>
+        <content_model dsid="ISLANDORACM" name="New Audio" namespace="audio:collection"
+            pid="islandora:sp-audioCModel"/>
+        <content_model dsid="ISLANDORACM" name="New Collection" namespace="audio:collections"
+            pid="islandora:collectionCModel"/>
+    </content_models>
+    <search_terms/>
+    <relationship>isMemberOfCollection</relationship>
+</collection_policy>