From 05eefccc9e20d520d173156ab5dffbcc90f4351f Mon Sep 17 00:00:00 2001
From: Felix Domke <tmbinc@elitedvb.net>
Date: Mon, 28 Nov 2005 01:53:20 +0000
Subject: [PATCH] audio: add language display

---
 lib/dvb/pmt.cpp                      | 25 +++++++++++++++++++++++++
 lib/dvb/pmt.h                        |  4 +++-
 lib/python/Screens/AudioSelection.py | 19 +++++++++++++++----
 3 files changed, 43 insertions(+), 5 deletions(-)

diff --git a/lib/dvb/pmt.cpp b/lib/dvb/pmt.cpp
index c0c65b27..5a1b7c5c 100644
--- a/lib/dvb/pmt.cpp
+++ b/lib/dvb/pmt.cpp
@@ -6,6 +6,8 @@
 #include <lib/dvb_ci/dvbci.h>
 #include <dvbsi++/ca_program_map_section.h>
 #include <dvbsi++/descriptor_tag.h>
+#include <dvbsi++/iso639_language_descriptor.h>
+#include <dvbsi++/component_descriptor.h>
 
 eDVBServicePMTHandler::eDVBServicePMTHandler(int record)
 	:m_ca_servicePtr(0)
@@ -175,7 +177,30 @@ int eDVBServicePMTHandler::getProgramInfo(struct program &program)
 					break;
 				}
 				if (isaudio)
+				{
+					for (DescriptorConstIterator desc = (*es)->getDescriptors()->begin();
+							desc != (*es)->getDescriptors()->end(); ++desc)
+					{
+						switch ((*desc)->getTag())
+						{
+						case ISO_639_LANGUAGE_DESCRIPTOR:
+						{
+							const Iso639LanguageList *languages = ((Iso639LanguageDescriptor*)*desc)->getIso639Languages();
+							
+								/* use last language code */
+							for (Iso639LanguageConstIterator i(languages->begin()); i != languages->end(); ++i)
+								audio.language_code = (*i)->getIso639LanguageCode();
+
+							break;
+						}
+						case COMPONENT_DESCRIPTOR:
+							audio.component_tag = ((ComponentDescriptor*)*desc)->getComponentTag();
+							break;
+						}
+					}
+
 					program.audioStreams.push_back(audio);
+				}
 				if (isvideo)
 					program.videoStreams.push_back(video);
 			}
diff --git a/lib/dvb/pmt.h b/lib/dvb/pmt.h
index a23abf1e..5f3d4777 100644
--- a/lib/dvb/pmt.h
+++ b/lib/dvb/pmt.h
@@ -93,7 +93,9 @@ public:
 		int pid;
 		enum { atMPEG, atAC3, atDTS };
 		int type; // mpeg2, ac3, dts, ...
-		// language code, ...
+		
+		int component_tag;
+		std::string language_code; /* iso-639, if available. */
 	};
 	
 	struct program
diff --git a/lib/python/Screens/AudioSelection.py b/lib/python/Screens/AudioSelection.py
index 6e3a288e..a3841747 100644
--- a/lib/python/Screens/AudioSelection.py
+++ b/lib/python/Screens/AudioSelection.py
@@ -2,17 +2,19 @@ from Screen import Screen
 from Components.ActionMap import ActionMap
 from Components.MenuList import MenuList
 from Components.Label import Label
+from Tools.ISO639 import LanguageCodes
 
 class AudioSelection(Screen):
 	def KeyOk(self):
 		selection = self["tracks"].getCurrent()
 		print "select track " + str(selection[1])
+		
 		self.audio.selectTrack(selection[1])
 		self.close()
 	def __init__(self, session, audio):
 		Screen.__init__(self, session)
 
-		self["actions"] = ActionMap(["SetupActions"], 
+		self["actions"] = ActionMap(["OkCancelActions"], 
 			{
 				"cancel": self.close,
 				"ok": self.KeyOk,
@@ -24,8 +26,17 @@ class AudioSelection(Screen):
 		n = audio.getNumberOfTracks()
 		for x in range(n):
 			i = audio.getTrackInfo(x)
-			tlist.append((i.getDescription(), x))
+			langCode = i.getLanguage()
+			
+			description = i.getDescription();
+			
+			if langCode in LanguageCodes:
+				language = LanguageCodes[langCode][0]
+				if len(description):
+					description += " (" + language + ")"
+				else:
+					description = language
 
-		self["tracks"] = MenuList(tlist)
+			tlist.append((description, x))
 
-		
\ No newline at end of file
+		self["tracks"] = MenuList(tlist)
-- 
2.30.2