support for audio files when they are present

pmwiki_recipes/pim_functions.php

@@ -165,6 +165,20 @@ textFont(font);
         $older_gnuplot_version = "<div><center><img src=\"/pub/visualization/edits_per_page/{$pagename}.png\" alt=\"/pub/visualization/edits_per_page/{$pagename}.png\"/></br>(<a href=\"$ScriptUrl/Wiki/Visualization#timeline\">visualization details</a>).</center></div><hr />";
 }
 
+// generated via e.g.
+// P=ReadingNotes.TurtlesTermitesAndTrafficJams; grep ^text= $P | sed "s/%0a/\\n/g" | sed "s/[^a-zA-Z]/ /g" > $P.txt && espeak -f $P.txt -w $P.wav && oggenc $P.wav && rm $P.wav
+// note that the output could be improved by better parsing and exploring SSML/HTML support
+// details on the HTML markup
+//	https://developer.mozilla.org/en/HTML/Element/audio
+//	http://www.w3.org/TR/html5/video.html#attr-media-controls
+function DisplayAudio($pagename){
+        global $ScriptUrl, $PubDir, $FarmD;
+	$audiofile = $FarmD."/pub/audio/".$pagename.".ogg";
+	$audiourl = $ScriptUrl."/pub/audio/".$pagename.".ogg";
+	if (file_exists($audiofile))
+		print "<a name=\"audiodisplay\"><audio  controls=\"controls\" ><source src=\"$audiourl\"  type=\"audio/ogg\"  />Your browser does not allow HTML5 audio.</audio></a></br>";
+		print "Download the <a href=\"$audiourl\">audio file (ogg)</a> to play later.";
+}
 
 //display images with transparancy invertionnaly proportional to last time of update
 // http://fabien.benetou.fr/MemoryRecalls/ImprovingPIM#VisualDecayOfInformation