From b96f203b700c91e463eff20889d734119530bce0 Mon Sep 17 00:00:00 2001
From: Felix Domke <tmbinc@elitedvb.net>
Date: Fri, 17 Feb 2006 16:44:45 +0000
Subject: [PATCH] use AUDIO_GET_STC, VIDEO_GET_STC

---
 lib/dvb/decoder.cpp        | 42 +++++++++++++++++++++++++++++++++++++-
 lib/dvb/decoder.h          |  6 ++++++
 lib/dvb/dvb.cpp            | 18 +++++++++-------
 lib/dvb/idvb.h             |  2 ++
 lib/service/servicedvb.cpp | 19 ++++++++++++++++-
 lib/service/servicedvb.h   |  1 +
 6 files changed, 79 insertions(+), 9 deletions(-)

diff --git a/lib/dvb/decoder.cpp b/lib/dvb/decoder.cpp
index 8e21dcad..0e6f86d3 100644
--- a/lib/dvb/decoder.cpp
+++ b/lib/dvb/decoder.cpp
@@ -25,6 +25,12 @@
 #include <sys/ioctl.h>
 #include <errno.h>
 
+	/* these are quite new... */
+#ifndef AUDIO_GET_PTS
+#define AUDIO_GET_PTS              _IOR('o', 19, __u64)
+#define VIDEO_GET_PTS              _IOR('o', 57, __u64)
+#endif
+
 DEFINE_REF(eDVBAudio);
 
 eDVBAudio::eDVBAudio(eDVBDemux *demux, int dev): m_demux(demux)
@@ -130,7 +136,12 @@ void eDVBAudio::unfreeze()
 	if (::ioctl(m_fd, AUDIO_CONTINUE) < 0)
 		eDebug("video: AUDIO_CONTINUE: %m");
 }
-	
+
+int eDVBAudio::getPTS(pts_t &now)
+{
+	return ::ioctl(m_fd, AUDIO_GET_PTS, &now);
+}
+
 eDVBAudio::~eDVBAudio()
 {
 	if (m_fd >= 0)
@@ -236,6 +247,11 @@ int eDVBVideo::setFastForward(int skip)
 	m_is_fast_forward = skip;
 	return ::ioctl(m_fd, VIDEO_FAST_FORWARD, skip);
 }
+
+int eDVBVideo::getPTS(pts_t &now)
+{
+	return ::ioctl(m_fd, VIDEO_GET_PTS, &now);
+}
 	
 eDVBVideo::~eDVBVideo()
 {
@@ -642,3 +658,27 @@ RESULT eTSMPEGDecoder::setTrickmode(int what)
 	setState();
 	return 0;
 }
+
+RESULT eTSMPEGDecoder::getPTS(int what, pts_t &pts)
+{
+	if (what == 0) /* auto */
+		what = m_video ? 1 : 2;
+
+	if (what == 1) /* video */
+	{
+		if (m_video)
+			return m_video->getPTS(pts);
+		else
+			return -1;
+	}
+
+	if (what == 2) /* audio */
+	{
+		if (m_audio)
+			return m_audio->getPTS(pts);
+		else
+			return -1;
+	}
+
+	return -1;
+}
diff --git a/lib/dvb/decoder.h b/lib/dvb/decoder.h
index b8b58786..47284999 100644
--- a/lib/dvb/decoder.h
+++ b/lib/dvb/decoder.h
@@ -22,6 +22,7 @@ public:
 	void flush();
 	void freeze();
 	void unfreeze();
+	int getPTS(pts_t &now);
 	virtual ~eDVBAudio();
 };
 
@@ -46,6 +47,7 @@ public:
 	int setSlowMotion(int repeat);
 	int setFastForward(int skip);
 	void unfreeze();
+	int getPTS(pts_t &now);
 	virtual ~eDVBVideo();
 };
 
@@ -117,5 +119,9 @@ public:
 	RESULT setZoom(int what);
 	RESULT flush();
 	RESULT setTrickmode(int what);
+	
+		/* what 0=auto, 1=video, 2=audio. */
+	RESULT getPTS(int what, pts_t &pts);
 };
+
 #endif
diff --git a/lib/dvb/dvb.cpp b/lib/dvb/dvb.cpp
index 11b1285a..4a3adf55 100644
--- a/lib/dvb/dvb.cpp
+++ b/lib/dvb/dvb.cpp
@@ -997,15 +997,19 @@ RESULT eDVBChannel::getCurrentPosition(iDVBDemux *decoding_demux, pts_t &pos, in
 		return -1;
 	
 	pts_t now;
+	
 	int r;
-			/* TODO: this is a gross hack. */
-	r = decoding_demux->getSTC(now, mode ? 128 : 0);
-
-	if (r)
+	
+	if (mode == 0) /* demux */
 	{
-		eDebug("demux getSTC failed");
-		return -1;
-	}
+		r = decoding_demux->getSTC(now, 0);
+		if (r)
+		{
+			eDebug("demux getSTC failed");
+			return -1;
+		}
+	} else
+		now = pos; /* fixup supplied */
 	
 	off_t off = 0; /* TODO: fixme */
 	r = m_tstools.fixupPTS(off, now);
diff --git a/lib/dvb/idvb.h b/lib/dvb/idvb.h
index eacc4929..2f9d7d9b 100644
--- a/lib/dvb/idvb.h
+++ b/lib/dvb/idvb.h
@@ -549,6 +549,8 @@ public:
 	virtual RESULT setZoom(int what)=0;
 	
 	virtual RESULT setTrickmode(int what) = 0;
+	
+	virtual RESULT getPTS(int what, pts_t &pts) = 0;
 };
 
 #endif
diff --git a/lib/service/servicedvb.cpp b/lib/service/servicedvb.cpp
index 3487c3e6..5f5aae65 100644
--- a/lib/service/servicedvb.cpp
+++ b/lib/service/servicedvb.cpp
@@ -604,6 +604,11 @@ void eDVBServicePlay::serviceEvent(int event)
 			updateTimeshiftPids();
 		if (!m_timeshift_active)
 			updateDecoder();
+		if (m_first_program_info && m_is_pvr)
+		{
+			m_first_program_info = 0;
+			seekTo(0);
+		}
 		m_event((iPlayableService*)this, evUpdatedInfo);
 		break;
 	}
@@ -637,6 +642,7 @@ RESULT eDVBServicePlay::start()
 		   two (one for decoding, one for data source), as we must be prepared
 		   to start recording from the data demux. */
 	m_cue = new eCueSheet();
+	m_first_program_info = 1;
 	r = m_service_handler.tune((eServiceReferenceDVB&)m_reference, m_is_pvr, m_cue);
 	m_event(this, evStart);
 	m_event((iPlayableService*)this, evSeekableStatusChanged);
@@ -815,7 +821,18 @@ RESULT eDVBServicePlay::getPlayPosition(pts_t &pos)
 	if ((m_timeshift_enabled ? m_service_handler_timeshift : m_service_handler).getPVRChannel(pvr_channel))
 		return -1;
 	
-	return pvr_channel->getCurrentPosition(m_decode_demux, pos, 1);
+	int r = 0;
+
+		/* if there is a decoder, use audio or video PTS */
+	if (m_decoder)
+	{
+		r = m_decoder->getPTS(0, pos);
+		if (r)
+			return r;
+	}
+	
+		/* fixup */
+	return pvr_channel->getCurrentPosition(m_decode_demux, pos, m_decoder ? 1 : 0);
 }
 
 RESULT eDVBServicePlay::setTrickmode(int trick)
diff --git a/lib/service/servicedvb.h b/lib/service/servicedvb.h
index 2785ce2a..42e38013 100644
--- a/lib/service/servicedvb.h
+++ b/lib/service/servicedvb.h
@@ -142,6 +142,7 @@ private:
 	Signal2<void,iPlayableService*,int> m_event;
 	
 	int m_is_pvr, m_is_paused, m_timeshift_enabled, m_timeshift_active;
+	int m_first_program_info;
 	
 	std::string m_timeshift_file;
 	int m_timeshift_fd;
-- 
2.30.2