#include <lib/dvb/sec.h>
#include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+DEFINE_REF(eDVBRegisteredFrontend);
+DEFINE_REF(eDVBRegisteredDemux);
+
+DEFINE_REF(eDVBAllocatedFrontend);
+
+eDVBAllocatedFrontend::eDVBAllocatedFrontend(eDVBRegisteredFrontend *fe): m_fe(fe)
+{
+ m_fe->m_inuse++;
+}
+
+eDVBAllocatedFrontend::~eDVBAllocatedFrontend()
+{
+ --m_fe->m_inuse;
+}
+
+DEFINE_REF(eDVBAllocatedDemux);
+
+eDVBAllocatedDemux::eDVBAllocatedDemux(eDVBRegisteredDemux *demux): m_demux(demux)
+{
+ m_demux->m_inuse++;
+}
+
+eDVBAllocatedDemux::~eDVBAllocatedDemux()
+{
+ --m_demux->m_inuse;
+}
+
DEFINE_REF(eDVBResourceManager);
eDVBResourceManager *eDVBResourceManager::instance;
-eDVBResourceManager::eDVBResourceManager(): ref(0)
+eDVBResourceManager::eDVBResourceManager()
{
avail = 1;
busy = 0;
m_sec = new eDVBSatelliteEquipmentControl;
if (!instance)
instance = this;
+
+ /* search available adapters... */
+
+ // add linux devices
+
+ int num_adapter = 0;
+ while (eDVBAdapterLinux::exist(num_adapter))
+ {
+ addAdapter(new eDVBAdapterLinux(num_adapter));
+ num_adapter++;
+ }
+
+ eDebug("found %d adapter, %d frontends and %d demux",
+ m_adapter.size(), m_frontend.size(), m_demux.size());
+}
+
+
+DEFINE_REF(eDVBAdapterLinux);
+eDVBAdapterLinux::eDVBAdapterLinux(int nr): m_nr(nr)
+{
+ // scan frontends
+ int num_fe = 0;
+
+ eDebug("scanning for frontends..");
+ while (1)
+ {
+ struct stat s;
+ char filename[128];
+ sprintf(filename, "/dev/dvb/adapter%d/frontend%d", m_nr, num_fe);
+ if (stat(filename, &s))
+ break;
+ ePtr<eDVBFrontend> fe;
+
+ int ok = 0;
+ fe = new eDVBFrontend(m_nr, num_fe, ok);
+ if (ok)
+ m_frontend.push_back(fe);
+ ++num_fe;
+ }
+
+ // scan demux
+ int num_demux = 0;
+ while (1)
+ {
+ struct stat s;
+ char filename[128];
+ sprintf(filename, "/dev/dvb/adapter%d/demux%d", m_nr, num_demux);
+ if (stat(filename, &s))
+ break;
+ ePtr<eDVBDemux> demux;
+
+ demux = new eDVBDemux(m_nr, num_demux);
+ m_demux.push_back(demux);
+
+ ++num_demux;
+ }
+}
+
+int eDVBAdapterLinux::getNumDemux()
+{
+ return m_demux.size();
+}
+
+RESULT eDVBAdapterLinux::getDemux(ePtr<eDVBDemux> &demux, int nr)
+{
+ eSmartPtrList<eDVBDemux>::iterator i(m_demux.begin());
+ while (nr && (i != m_demux.end()))
+ {
+ --nr;
+ ++i;
+ }
+
+ if (i != m_demux.end())
+ demux = *i;
+ else
+ return -1;
+
+ return 0;
+}
+
+int eDVBAdapterLinux::getNumFrontends()
+{
+ return m_frontend.size();
+}
+
+RESULT eDVBAdapterLinux::getFrontend(ePtr<eDVBFrontend> &fe, int nr)
+{
+ eSmartPtrList<eDVBFrontend>::iterator i(m_frontend.begin());
+ while (nr && (i != m_frontend.end()))
+ {
+ --nr;
+ ++i;
+ }
+
+ if (i != m_frontend.end())
+ fe = *i;
+ else
+ return -1;
+
+ return 0;
+}
+
+int eDVBAdapterLinux::exist(int nr)
+{
+ struct stat s;
+ char filename[128];
+ sprintf(filename, "/dev/dvb/adapter%d", nr);
+ if (!stat(filename, &s))
+ return 1;
+ return 0;
}
eDVBResourceManager::~eDVBResourceManager()
{
if (instance == this)
instance = 0;
+
+}
+
+void eDVBResourceManager::addAdapter(iDVBAdapter *adapter)
+{
+ int num_fe = adapter->getNumFrontends();
+ int num_demux = adapter->getNumDemux();
+
+ m_adapter.push_back(adapter);
+
+ int i;
+ for (i=0; i<num_demux; ++i)
+ {
+ ePtr<eDVBDemux> demux;
+ if (!adapter->getDemux(demux, i))
+ m_demux.push_back(new eDVBRegisteredDemux(demux, adapter));
+ }
+
+ for (i=0; i<num_fe; ++i)
+ {
+ ePtr<eDVBFrontend> frontend;
+ if (!adapter->getFrontend(frontend, i))
+ m_frontend.push_back(new eDVBRegisteredFrontend(frontend, adapter));
+ }
+}
+
+RESULT eDVBResourceManager::allocateFrontend(const eDVBChannelID &chid, ePtr<eDVBAllocatedFrontend> &fe)
+{
+ /* find first unused frontend. we ignore compatibility for now. */
+ for (eSmartPtrList<eDVBRegisteredFrontend>::iterator i(m_frontend.begin()); i != m_frontend.end(); ++i)
+ if (!i->m_inuse)
+ {
+ fe = new eDVBAllocatedFrontend(i);
+ return 0;
+ }
+ return -1;
+}
+
+RESULT eDVBResourceManager::allocateDemux(eDVBRegisteredFrontend *fe, ePtr<eDVBAllocatedDemux> &demux)
+{
+ /* find first unused demux which is on same adapter as frontend */
+ for (eSmartPtrList<eDVBRegisteredDemux>::iterator i(m_demux.begin()); i != m_demux.end(); ++i)
+ if ((!i->m_inuse) && (i->m_adapter == fe->m_adapter))
+ {
+ demux = new eDVBAllocatedDemux(i);
+ return 0;
+ }
+ return -1;
}
RESULT eDVBResourceManager::setChannelList(iDVBChannelList *list)
RESULT eDVBResourceManager::allocateChannel(const eDVBChannelID &channelid, ePtr<iDVBChannel> &channel)
{
+ /* first, check if a channel is already existing. */
+
+// eDebug("allocate channel.. %04x:%04x", channelid.transport_stream_id.get(), channelid.original_network_id.get());
+ for (std::list<active_channel>::iterator i(m_active_channels.begin()); i != m_active_channels.end(); ++i)
+ {
+// eDebug("available channel.. %04x:%04x", i->m_channel_id.transport_stream_id.get(), i->m_channel_id.original_network_id.get());
+ if (i->m_channel_id == channelid)
+ {
+// eDebug("found shared channel..");
+ channel = i->m_channel;
+ return 0;
+ }
+ }
+
+ /* no currently available channel is tuned to this channelid. create a new one, if possible. */
+
+ /* allocate a frontend. */
+
+ ePtr<eDVBAllocatedFrontend> fe;
+
+ if (allocateFrontend(channelid, fe))
+ return errNoFrontend;
+
+ ePtr<eDVBAllocatedDemux> demux;
+
+ if (allocateDemux(*fe, demux))
+ return errNoDemux;
+
RESULT res;
eDVBChannel *ch;
- channel = ch = new eDVBChannel(this, 0, 0, 0);
+ ch = new eDVBChannel(this, fe, demux);
- ePtr<iDVBFrontend> fe;
- if (!channel->getFrontend(fe))
- fe->setSEC(m_sec);
+ ePtr<iDVBFrontend> myfe;
+ if (!ch->getFrontend(myfe))
+ myfe->setSEC(m_sec);
res = ch->setChannel(channelid);
if (res)
{
channel = 0;
- return res;
+ return errChidNotFound;
}
+
+ channel = ch;
return 0;
}
RESULT eDVBResourceManager::allocateRawChannel(ePtr<iDVBChannel> &channel)
{
- channel = new eDVBChannel(this, 0, 0, 0);
- ePtr<iDVBFrontend> fe;
- if (!channel->getFrontend(fe))
- fe->setSEC(m_sec);
+ ePtr<eDVBAllocatedFrontend> fe;
+ if (allocateFrontend(eDVBChannelID(), fe))
+ return errNoFrontend;
+
+ ePtr<eDVBAllocatedDemux> demux;
+
+ if (allocateDemux(*fe, demux))
+ return errNoDemux;
+
+ eDVBChannel *ch;
+ ch = new eDVBChannel(this, fe, demux);
+
+ ePtr<iDVBFrontend> myfe;
+ if (!ch->getFrontend(myfe))
+ myfe->setSEC(m_sec);
+
+ channel = ch;
return 0;
}
RESULT eDVBResourceManager::addChannel(const eDVBChannelID &chid, eDVBChannel *ch)
{
eDebug("add channel %p", ch);
- m_active_channels.insert(std::pair<eDVBChannelID,eDVBChannel*>(chid, ch));
+ m_active_channels.push_back(active_channel(chid, ch));
return 0;
}
-RESULT eDVBResourceManager::removeChannel(const eDVBChannelID &chid, eDVBChannel *)
+RESULT eDVBResourceManager::removeChannel(eDVBChannel *ch)
{
- int cnt = m_active_channels.erase(chid);
- eDebug("remove channel: removed %d channels", cnt);
- ASSERT(cnt <= 1);
+ int cnt = 0;
+ for (std::list<active_channel>::iterator i(m_active_channels.begin()); i != m_active_channels.end();)
+ {
+ if (i->m_channel == ch)
+ {
+ i = m_active_channels.erase(i);
+ ++cnt;
+ } else
+ ++i;
+ }
+ ASSERT(cnt == 1);
if (cnt == 1)
return 0;
return -ENOENT;
}
-eDVBChannel::eDVBChannel(eDVBResourceManager *mgr, int adapter, int frontend, int demux): eDVBDemux(adapter, demux), m_state(state_idle), m_mgr(mgr)
+DEFINE_REF(eDVBChannel);
+
+eDVBChannel::eDVBChannel(eDVBResourceManager *mgr, eDVBAllocatedFrontend *frontend, eDVBAllocatedDemux *demux): m_state(state_idle), m_mgr(mgr)
{
- if (frontend >= 0)
- {
- int ok;
- m_frontend = new eDVBFrontend(adapter, frontend, ok);
- if (!ok)
- {
- eDebug("warning, frontend failed");
- m_frontend = 0;
- return;
- }
- m_frontend->connectStateChange(slot(*this, &eDVBChannel::frontendStateChanged), m_conn_frontendStateChanged);
- }
+ m_frontend = frontend;
+ m_demux = demux;
+
+ if (m_frontend)
+ m_frontend->get().connectStateChange(slot(*this, &eDVBChannel::frontendStateChanged), m_conn_frontendStateChanged);
}
eDVBChannel::~eDVBChannel()
{
if (m_channel_id)
- m_mgr->removeChannel(m_channel_id, this);
+ m_mgr->removeChannel(this);
}
void eDVBChannel::frontendStateChanged(iDVBFrontend*fe)
RESULT eDVBChannel::setChannel(const eDVBChannelID &channelid)
{
+ if (m_channel_id)
+ m_mgr->removeChannel(this);
+
+ if (!channelid)
+ return 0;
+
ePtr<iDVBChannelList> list;
if (m_mgr->getChannelList(list))
eDebug("tuning to chid: ns: %08x tsid %04x onid %04x",
channelid.dvbnamespace.get(), channelid.transport_stream_id.get(), channelid.original_network_id.get());
-
ePtr<iDVBFrontendParameters> feparm;
if (list->getChannelFrontendData(channelid, feparm))
return -ENODEV;
}
- if (m_channel_id)
- m_mgr->removeChannel(m_channel_id, this);
m_channel_id = channelid;
- m_mgr->addChannel(m_channel_id, this);
+ m_mgr->addChannel(channelid, this);
m_state = state_tuning;
- eDebug("%p", &*feparm);
- return m_frontend->tune(*feparm);
+ return m_frontend->get().tune(*feparm);
}
RESULT eDVBChannel::connectStateChange(const Slot1<void,iDVBChannel*> &stateChange, ePtr<eConnection> &connection)
{
- connection = new eConnection(m_stateChanged.connect(stateChange));
+ connection = new eConnection((iDVBChannel*)this, m_stateChanged.connect(stateChange));
return 0;
}
RESULT eDVBChannel::getDemux(ePtr<iDVBDemux> &demux)
{
- demux = this;
+ demux = &m_demux->get();
return 0;
}
RESULT eDVBChannel::getFrontend(ePtr<iDVBFrontend> &frontend)
{
- frontend = m_frontend;
+ frontend = &m_frontend->get();
if (frontend)
return 0;
else
git.cweiske.de / enigma2.git / blobdiff