From dc5b3144665e827fccf38fcab1c167e6dacdac7a Mon Sep 17 00:00:00 2001
From: Felix Domke <tmbinc@elitedvb.net>
Date: Fri, 2 Jun 2006 17:26:57 +0000
Subject: [PATCH] (not yet enabled) teletext subtitle support

---
 lib/service/servicedvb.cpp | 46 ++++++++++++++++++++++++++++++++++++++
 lib/service/servicedvb.h   | 14 +++++++++++-
 2 files changed, 59 insertions(+), 1 deletion(-)

diff --git a/lib/service/servicedvb.cpp b/lib/service/servicedvb.cpp
index 9cfe7073..de4f84ee 100644
--- a/lib/service/servicedvb.cpp
+++ b/lib/service/servicedvb.cpp
@@ -17,6 +17,9 @@
 #include <lib/dvb/tstools.h>
 #include <lib/python/python.h>
 
+		/* for subtitles */
+#include <lib/gui/esubtitle.h>
+
 #include <sys/vfs.h>
 
 #include <byteswap.h>
@@ -24,6 +27,8 @@
 
 #include <dvbsi++/event_information_section.h>
 
+// #define INTERNAL_TELETEXT
+
 #ifndef BYTE_ORDER
 #error no byte order defined!
 #endif
@@ -639,10 +644,13 @@ eDVBServicePlay::eDVBServicePlay(const eServiceReference &ref, eDVBService *serv
 
 	m_cuesheet_changed = 0;
 	m_cutlist_enabled = 1;
+	
+	m_subtitle_widget = 0;
 }
 
 eDVBServicePlay::~eDVBServicePlay()
 {
+	delete m_subtitle_widget;
 }
 
 void eDVBServicePlay::gotNewEvent()
@@ -1053,6 +1061,12 @@ RESULT eDVBServicePlay::cueSheet(ePtr<iCueSheet> &ptr)
 	return -1;
 }
 
+RESULT eDVBServicePlay::subtitle(ePtr<iSubtitleOutput> &ptr)
+{
+	ptr = this;
+	return 0;
+}
+
 RESULT eDVBServicePlay::getName(std::string &name)
 {
 	if (m_is_pvr)
@@ -1277,6 +1291,7 @@ RESULT eDVBServicePlay::selectChannel(int i)
 		if (m_decoder)
 			m_decoder->setAudioChannel(i);
 	}
+	return 0;
 }
 
 int eDVBServiceBase::getFrontendInfo(int w)
@@ -1655,6 +1670,7 @@ void eDVBServicePlay::updateDecoder()
 			m_cue->setDecodingDemux(m_decode_demux, m_decoder);
 #ifdef INTERNAL_TELETEXT
 		m_teletext_parser = new eDVBTeletextParser(m_decode_demux);
+		m_teletext_parser->connectNewPage(slot(*this, &eDVBServicePlay::newSubtitlePage), m_new_subtitle_page_connection);
 #endif
 	}
 
@@ -1827,6 +1843,36 @@ void eDVBServicePlay::cutlistToCuesheet()
 	m_cue->commitSpans();
 }
 
+RESULT eDVBServicePlay::enableSubtitles(eWidget *parent, int index)
+{
+	if (m_subtitle_widget)
+		disableSubtitles(parent);
+	
+	m_subtitle_widget = new eSubtitleWidget(parent);
+	m_subtitle_widget->resize(parent->size()); /* full size */
+
+	return 0;
+}
+
+RESULT eDVBServicePlay::disableSubtitles(eWidget *parent)
+{
+	delete m_subtitle_widget;
+	m_subtitle_widget = 0;
+	return 0;
+}
+
+RESULT eDVBServicePlay::getSubtitleList(PyList *list)
+{
+	return -1;
+}
+
+void eDVBServicePlay::newSubtitlePage(const eDVBTeletextSubtitlePage &page)
+{
+	eDebug("new subtitle page received!");
+	if (m_subtitle_widget)
+		m_subtitle_widget->addPage(page);
+}
+
 DEFINE_REF(eDVBServicePlay)
 
 eAutoInitPtr<eServiceFactoryDVB> init_eServiceFactoryDVB(eAutoInitNumbers::service+1, "eServiceFactoryDVB");
diff --git a/lib/service/servicedvb.h b/lib/service/servicedvb.h
index da307324..85653caa 100644
--- a/lib/service/servicedvb.h
+++ b/lib/service/servicedvb.h
@@ -66,12 +66,14 @@ public:
 	PyObject *getFrontendData(bool);
 };
 
+class eSubtitleWidget; 
+
 class eDVBServicePlay: public eDVBServiceBase,
 		public iPlayableService, public iPauseableService, 
 		public iSeekableService, public Object, public iServiceInformation, 
 		public iAudioTrackSelection, public iAudioChannelSelection,
 		public iSubserviceList, public iTimeshiftService,
-		public iCueSheet
+		public iCueSheet, public iSubtitleOutput
 {
 DECLARE_REF(eDVBServicePlay);
 public:
@@ -92,6 +94,7 @@ public:
 	RESULT subServices(ePtr<iSubserviceList> &ptr);
 	RESULT timeshift(ePtr<iTimeshiftService> &ptr);
 	RESULT cueSheet(ePtr<iCueSheet> &ptr);
+	RESULT subtitle(ePtr<iSubtitleOutput> &ptr);
 
 		// iPauseableService
 	RESULT pause();
@@ -138,6 +141,11 @@ public:
 	void setCutList(PyObject *);
 	void setCutListEnable(int enable);
 	
+		// iSubtitleOutput
+	RESULT enableSubtitles(eWidget *parent, int index);
+	RESULT disableSubtitles(eWidget *parent);
+	SWIG_VOID(RESULT) getSubtitleList(PyList *list);
+
 private:
 	friend class eServiceFactoryDVB;
 	eServiceReference m_reference;
@@ -212,7 +220,11 @@ private:
 	void cutlistToCuesheet();
 	
 		/* teletext subtitles */
+	void newSubtitlePage(const eDVBTeletextSubtitlePage &p);
+	ePtr<eConnection> m_new_subtitle_page_connection;
+	
 	ePtr<eDVBTeletextParser> m_teletext_parser;
+	eSubtitleWidget *m_subtitle_widget;
 };
 
 #endif
-- 
2.30.2