X-Git-Url: https://git.cweiske.de/enigma2.git/blobdiff_plain/8fc0752931ad7a8efa802b0a0f0246a2b50eca6b..ca329d3e86a98aacb0597d8581f5354cc99542e4:/lib/dvb/dvb.cpp?ds=sidebyside

diff --git a/lib/dvb/dvb.cpp b/lib/dvb/dvb.cpp
index 601e6279..11b1285a 100644
--- a/lib/dvb/dvb.cpp
+++ b/lib/dvb/dvb.cpp
@@ -43,6 +43,7 @@ DEFINE_REF(eDVBResourceManager);
 eDVBResourceManager *eDVBResourceManager::instance;
 
 eDVBResourceManager::eDVBResourceManager()
+	:m_releaseCachedChannelTimer(eApp)
 {
 	avail = 1;
 	busy = 0;
@@ -63,6 +64,8 @@ eDVBResourceManager::eDVBResourceManager()
 	
 	eDebug("found %d adapter, %d frontends and %d demux", 
 		m_adapter.size(), m_frontend.size(), m_demux.size());
+
+	CONNECT(m_releaseCachedChannelTimer.timeout, eDVBResourceManager::releaseCachedChannel);
 }
 
 
@@ -307,7 +310,9 @@ RESULT eDVBResourceManager::allocateChannel(const eDVBChannelID &channelid, eUse
 			channel = m_cached_channel;
 			return 0;
 		}
+		m_cached_channel_state_changed_conn.disconnect();
 		m_cached_channel=0;
+		m_releaseCachedChannelTimer.stop();
 	}
 
 //	eDebug("allocate channel.. %04x:%04x", channelid.transport_stream_id.get(), channelid.original_network_id.get());
@@ -355,16 +360,52 @@ RESULT eDVBResourceManager::allocateChannel(const eDVBChannelID &channelid, eUse
 		return errChidNotFound;
 	}
 	m_cached_channel = channel = ch;
+	m_cached_channel_state_changed_conn =
+		CONNECT(ch->m_stateChanged,eDVBResourceManager::DVBChannelStateChanged);
 
 	return 0;
 }
 
+void eDVBResourceManager::DVBChannelStateChanged(iDVBChannel *chan)
+{
+	int state=0;
+	chan->getState(state);
+	switch (state)
+	{
+		case iDVBChannel::state_release:
+		case iDVBChannel::state_ok:
+		{
+			eDebug("stop release channel timer");
+			m_releaseCachedChannelTimer.stop();
+			break;
+		}
+		case iDVBChannel::state_last_instance:
+		{
+			eDebug("start release channel timer");
+			m_releaseCachedChannelTimer.start(3000, true);
+			break;
+		}
+		default: // ignore all other events
+			break;
+	}
+}
+
+void eDVBResourceManager::releaseCachedChannel()
+{
+	eDebug("release cached channel (timer timeout)");
+	m_cached_channel=0;
+}
+
 RESULT eDVBResourceManager::allocateRawChannel(eUsePtr<iDVBChannel> &channel, int frontend_index)
 {
 	ePtr<eDVBAllocatedFrontend> fe;
 
 	if (m_cached_channel)
+	{
+		m_cached_channel_state_changed_conn.disconnect();
 		m_cached_channel=0;
+		m_releaseCachedChannelTimer.stop();
+	}
 
 	if (allocateFrontendByIndex(fe, frontend_index))
 		return errNoFrontend;
@@ -381,9 +422,6 @@ RESULT eDVBResourceManager::allocatePVRChannel(eUsePtr<iDVBPVRChannel> &channel)
 {
 	ePtr<eDVBAllocatedDemux> demux;
 
-	if (m_cached_channel)
-		m_cached_channel=0;
-
 	eDVBChannel *ch;
 	ch = new eDVBChannel(this, 0);
 	
@@ -780,7 +818,11 @@ void eDVBChannel::getNextSourceSpan(off_t current_offset, size_t bytes_read, off
 
 void eDVBChannel::AddUse()
 {
-	++m_use_count;
+	if (++m_use_count > 1 && m_state == state_last_instance)
+	{
+		m_state = state_ok;
+		m_stateChanged(this);
+	}
 }
 
 void eDVBChannel::ReleaseUse()
@@ -790,6 +832,11 @@ void eDVBChannel::ReleaseUse()
 		m_state = state_release;
 		m_stateChanged(this);
 	}
+	else if (m_use_count == 1)
+	{
+		m_state = state_last_instance;
+		m_stateChanged(this);
+	}
 }
 
 RESULT eDVBChannel::setChannel(const eDVBChannelID &channelid, ePtr<iDVBFrontendParameters> &feparm)
@@ -949,17 +996,8 @@ RESULT eDVBChannel::getCurrentPosition(iDVBDemux *decoding_demux, pts_t &pos, in
 	if (!decoding_demux)
 		return -1;
 	
-	off_t begin = 0;
-		/* getPTS for offset 0 is cached, so it doesn't harm. */
-	int r = m_tstools.getPTS(begin, pos);
-	if (r)
-	{
-		eDebug("tstools getpts(0) failed!");
-		return r;
-	}
-	
 	pts_t now;
-	
+	int r;
 			/* TODO: this is a gross hack. */
 	r = decoding_demux->getSTC(now, mode ? 128 : 0);
 
@@ -969,19 +1007,15 @@ RESULT eDVBChannel::getCurrentPosition(iDVBDemux *decoding_demux, pts_t &pos, in
 		return -1;
 	}
 	
-//	eDebug("STC: %08llx PTS: %08llx, diff %lld", now, pos, now - pos);
-		/* when we are less than 10 seconds before the start, return 0. */
-		/* (we're just waiting for the timespam to start) */
-	if ((now < pos) && ((pos - now) < 90000 * 10))
+	off_t off = 0; /* TODO: fixme */
+	r = m_tstools.fixupPTS(off, now);
+	if (r)
 	{
-		pos = 0;
-		return 0;
+		eDebug("fixup PTS failed");
+		return -1;
 	}
 	
-	if (now < pos) /* wrap around */
-		pos = now + ((pts_t)1)<<33 - pos;
-	else
-		pos = now - pos;
+	pos = now;
 	
 	return 0;
 }