X-Git-Url: https://git.cweiske.de/enigma2.git/blobdiff_plain/1c0fed5449b5ab880575587803451fc58fee13eb..6c64f5122744f89b948540faad3352fbacbc6c58:/lib/dvb/dvb.cpp

diff --git a/lib/dvb/dvb.cpp b/lib/dvb/dvb.cpp
index d30be29c..6b027088 100644
--- a/lib/dvb/dvb.cpp
+++ b/lib/dvb/dvb.cpp
@@ -82,8 +82,32 @@ eDVBResourceManager::eDVBResourceManager()
 		num_adapter++;
 	}
 
-	eDebug("found %d adapter, %d frontends(%d sim) and %d demux",
-		m_adapter.size(), m_frontend.size(), m_simulate_frontend.size(), m_demux.size());
+	int fd = open("/proc/stb/info/model", O_RDONLY);
+	char tmp[255];
+	int rd = fd >= 0 ? read(fd, tmp, 255) : 0;
+	if (fd >= 0)
+		close(fd);
+
+	if (!strncmp(tmp, "dm7025\n", rd))
+		m_boxtype = DM7025;
+	else if (!strncmp(tmp, "dm8000\n", rd))
+		m_boxtype = DM8000;
+	else if (!strncmp(tmp, "dm800\n", rd))
+		m_boxtype = DM800;
+	else if (!strncmp(tmp, "dm500hd\n", rd))
+		m_boxtype = DM500HD;
+	else {
+		eDebug("boxtype detection via /proc/stb/info not possible... use fallback via demux count!\n");
+		if (m_demux.size() == 3)
+			m_boxtype = DM800;
+		else if (m_demux.size() < 5)
+			m_boxtype = DM7025;
+		else
+			m_boxtype = DM8000;
+	}
+
+	eDebug("found %d adapter, %d frontends(%d sim) and %d demux, boxtype %d",
+		m_adapter.size(), m_frontend.size(), m_simulate_frontend.size(), m_demux.size(), m_boxtype);
 
 	eDVBCAService::registerChannelCallback(this);
 
@@ -414,7 +438,9 @@ alloc_fe_by_id_not_possible:
 	return err;
 }
 
-RESULT eDVBResourceManager::allocateDemux(eDVBRegisteredFrontend *fe, ePtr<eDVBAllocatedDemux> &demux, int cap)
+#define capHoldDecodeReference 64
+
+RESULT eDVBResourceManager::allocateDemux(eDVBRegisteredFrontend *fe, ePtr<eDVBAllocatedDemux> &demux, int &cap)
 {
 		/* find first unused demux which is on same adapter as frontend (or any, if PVR)
 		   never use the first one unless we need a decoding demux. */
@@ -429,8 +455,9 @@ RESULT eDVBResourceManager::allocateDemux(eDVBRegisteredFrontend *fe, ePtr<eDVBA
 
 	ePtr<eDVBRegisteredDemux> unused;
 
-	if (m_demux.size() == 3) // dm800 / 500hd
+	if (m_boxtype == DM800 || m_boxtype == DM500HD) // dm800 / 500hd
 	{
+		cap |= capHoldDecodeReference; // this is checked in eDVBChannel::getDemux
 		for (; i != m_demux.end(); ++i, ++n)
 		{
 			if (!i->m_inuse)
@@ -457,7 +484,7 @@ RESULT eDVBResourceManager::allocateDemux(eDVBRegisteredFrontend *fe, ePtr<eDVBA
 			}
 		}
 	}
-	else if (m_demux.size() < 5) // ATI
+	else if (m_boxtype == DM7025) // ATI
 	{
 		/* FIXME: hardware demux policy */
 		if (!(cap & iDVBChannel::capDecode))
@@ -484,8 +511,9 @@ RESULT eDVBResourceManager::allocateDemux(eDVBRegisteredFrontend *fe, ePtr<eDVBA
 			}
 		}
 	}
-	else // we asume dm8000
+	else if (m_boxtype == DM8000)
 	{
+		cap |= capHoldDecodeReference; // this is checked in eDVBChannel::getDemux
 		for (; i != m_demux.end(); ++i, ++n)
 		{
 			if (fe)
@@ -1669,17 +1697,24 @@ RESULT eDVBChannel::getDemux(ePtr<iDVBDemux> &demux, int cap)
 
 		if (m_mgr->allocateDemux(m_frontend ? (eDVBRegisteredFrontend*)*m_frontend : (eDVBRegisteredFrontend*)0, our_demux, cap))
 			return -1;
-	}
 
-	demux = *our_demux;
+		demux = *our_demux;
+
 		/* don't hold a reference to the decoding demux, we don't need it. */
 
 		/* FIXME: by dropping the 'allocated demux' in favour of the 'iDVBDemux',
 		   the refcount is lost. thus, decoding demuxes are never allocated.
 
 		   this poses a big problem for PiP. */
-	if (cap & capDecode)
-		our_demux = 0;
+
+		if (cap & capHoldDecodeReference) // this is set in eDVBResourceManager::allocateDemux for Dm500HD/DM800 and DM8000
+			;
+		else if (cap & capDecode)
+			our_demux = 0;
+	}
+	else
+		demux = *our_demux;
+
 	return 0;
 }