#include <lib/base/filepush.h>
#include <lib/dvb/idvb.h>
#include <lib/dvb/dvb.h>
+#include <lib/dvb/pmt.h>
#include <lib/dvb/sec.h>
#include <errno.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
+#include <sys/ioctl.h>
DEFINE_REF(eDVBRegisteredFrontend);
DEFINE_REF(eDVBRegisteredDemux);
eDVBAllocatedFrontend::eDVBAllocatedFrontend(eDVBRegisteredFrontend *fe): m_fe(fe)
{
- m_fe->m_inuse++;
+ m_fe->inc_use();
}
eDVBAllocatedFrontend::~eDVBAllocatedFrontend()
{
- --m_fe->m_inuse;
+ m_fe->dec_use();
}
DEFINE_REF(eDVBAllocatedDemux);
eDVBResourceManager *eDVBResourceManager::instance;
+RESULT eDVBResourceManager::getInstance(ePtr<eDVBResourceManager> &ptr)
+{
+ if (instance)
+ {
+ ptr = instance;
+ return 0;
+ }
+ return -1;
+}
+
+ePtr<eDVBResourceManager> NewResourceManagerPtr(void)
+{
+ ePtr<eDVBResourceManager> ptr;
+ eDVBResourceManager::getInstance(ptr);
+ return ptr;
+}
+
eDVBResourceManager::eDVBResourceManager()
+ :m_releaseCachedChannelTimer(eApp)
{
avail = 1;
busy = 0;
- m_sec = new eDVBSatelliteEquipmentControl;
+ m_sec = new eDVBSatelliteEquipmentControl(m_frontend);
if (!instance)
instance = this;
eDebug("found %d adapter, %d frontends and %d demux",
m_adapter.size(), m_frontend.size(), m_demux.size());
+
+ eDVBCAService::registerChannelCallback(this);
+
+ CONNECT(m_releaseCachedChannelTimer.timeout, eDVBResourceManager::releaseCachedChannel);
}
+void eDVBResourceManager::feStateChanged()
+{
+ int mask=0;
+ for (eSmartPtrList<eDVBRegisteredFrontend>::iterator i(m_frontend.begin()); i != m_frontend.end(); ++i)
+ if (i->m_inuse)
+ mask |= ( 1 << i->m_frontend->getSlotID() );
+ /* emit */ frontendUseMaskChanged(mask);
+}
DEFINE_REF(eDVBAdapterLinux);
eDVBAdapterLinux::eDVBAdapterLinux(int nr): m_nr(nr)
{
if (instance == this)
instance = 0;
-
}
void eDVBResourceManager::addAdapter(iDVBAdapter *adapter)
m_demux.push_back(new eDVBRegisteredDemux(demux, adapter));
}
+ ePtr<eDVBRegisteredFrontend> prev_dvbt_frontend;
for (i=0; i<num_fe; ++i)
{
ePtr<eDVBFrontend> frontend;
if (!adapter->getFrontend(frontend, i))
- m_frontend.push_back(new eDVBRegisteredFrontend(frontend, adapter));
+ {
+ int frontendType=0;
+ frontend->getFrontendType(frontendType);
+ eDVBRegisteredFrontend *new_fe = new eDVBRegisteredFrontend(frontend, adapter);
+ CONNECT(new_fe->stateChanged, eDVBResourceManager::feStateChanged);
+ m_frontend.push_back(new_fe);
+ frontend->setSEC(m_sec);
+ // we must link all dvb-t frontends ( for active antenna voltage )
+ if (frontendType == iDVBFrontend::feTerrestrial)
+ {
+ if (prev_dvbt_frontend)
+ {
+ prev_dvbt_frontend->m_frontend->setData(eDVBFrontend::LINKED_NEXT_PTR, (int)new_fe);
+ frontend->setData(eDVBFrontend::LINKED_PREV_PTR, (int)&(*prev_dvbt_frontend));
+ }
+ prev_dvbt_frontend = new_fe;
+ }
+ }
+ }
+}
+
+PyObject *eDVBResourceManager::setFrontendSlotInformations(ePyObject list)
+{
+ if (!PyList_Check(list))
+ {
+ PyErr_SetString(PyExc_StandardError, "eDVBResourceManager::setFrontendSlotInformations argument should be a python list");
+ return NULL;
+ }
+ if ((unsigned int)PyList_Size(list) != m_frontend.size())
+ {
+ char blasel[256];
+ sprintf(blasel, "eDVBResourceManager::setFrontendSlotInformations list size incorrect %d frontends avail, but %d entries in slotlist",
+ m_frontend.size(), PyList_Size(list));
+ PyErr_SetString(PyExc_StandardError, blasel);
+ return NULL;
}
+ int pos=0;
+ for (eSmartPtrList<eDVBRegisteredFrontend>::iterator i(m_frontend.begin()); i != m_frontend.end(); ++i)
+ {
+ ePyObject obj = PyList_GET_ITEM(list, pos++);
+ if (!i->m_frontend->setSlotInfo(obj))
+ return NULL;
+ }
+ Py_RETURN_NONE;
}
-RESULT eDVBResourceManager::allocateFrontend(const eDVBChannelID &chid, ePtr<eDVBAllocatedFrontend> &fe)
+RESULT eDVBResourceManager::allocateFrontend(ePtr<eDVBAllocatedFrontend> &fe, ePtr<iDVBFrontendParameters> &feparm)
{
- /* find first unused frontend. we ignore compatibility for now. */
+ ePtr<eDVBRegisteredFrontend> best;
+ int bestval = 0;
+
for (eSmartPtrList<eDVBRegisteredFrontend>::iterator i(m_frontend.begin()); i != m_frontend.end(); ++i)
if (!i->m_inuse)
{
+ int c = i->m_frontend->isCompatibleWith(feparm);
+ if (c > bestval)
+ {
+ bestval = c;
+ best = i;
+ }
+ }
+
+ if (best)
+ {
+ fe = new eDVBAllocatedFrontend(best);
+ return 0;
+ }
+
+ fe = 0;
+
+ return -1;
+}
+
+RESULT eDVBResourceManager::allocateFrontendByIndex(ePtr<eDVBAllocatedFrontend> &fe, int slot_index)
+{
+ for (eSmartPtrList<eDVBRegisteredFrontend>::iterator i(m_frontend.begin()); i != m_frontend.end(); ++i)
+ if (!i->m_inuse && i->m_frontend->getSlotID() == slot_index)
+ {
+ // check if another slot linked to this is in use
+ eDVBRegisteredFrontend *satpos_depends_to_fe =
+ (eDVBRegisteredFrontend*) i->m_frontend->m_data[eDVBFrontend::SATPOS_DEPENDS_PTR];
+ if ( (int)satpos_depends_to_fe != -1 )
+ {
+ if (satpos_depends_to_fe->m_inuse)
+ {
+ eDebug("another satpos depending frontend is in use.. so allocateFrontendByIndex not possible!");
+ goto alloc_fe_by_id_not_possible;
+ }
+ }
+ else // check linked tuners
+ {
+ eDVBRegisteredFrontend *next =
+ (eDVBRegisteredFrontend *) i->m_frontend->m_data[eDVBFrontend::LINKED_NEXT_PTR];
+ while ( (int)next != -1 )
+ {
+ if (next->m_inuse)
+ {
+ eDebug("another linked frontend is in use.. so allocateFrontendByIndex not possible!");
+ goto alloc_fe_by_id_not_possible;
+ }
+ next = (eDVBRegisteredFrontend *)next->m_frontend->m_data[eDVBFrontend::LINKED_NEXT_PTR];
+ }
+ eDVBRegisteredFrontend *prev = (eDVBRegisteredFrontend *)
+ i->m_frontend->m_data[eDVBFrontend::LINKED_PREV_PTR];
+ while ( (int)prev != -1 )
+ {
+ if (prev->m_inuse)
+ {
+ eDebug("another linked frontend is in use.. so allocateFrontendByIndex not possible!");
+ goto alloc_fe_by_id_not_possible;
+ }
+ prev = (eDVBRegisteredFrontend *)prev->m_frontend->m_data[eDVBFrontend::LINKED_PREV_PTR];
+ }
+ }
fe = new eDVBAllocatedFrontend(i);
return 0;
}
+alloc_fe_by_id_not_possible:
+ fe = 0;
return -1;
}
if (i == m_demux.end())
return -1;
+ int n=0;
/* FIXME: hardware demux policy */
if (!(cap & iDVBChannel::capDecode))
- ++i;
+ {
+ if (m_demux.size() > 2) /* assumed to be true, otherwise we have lost anyway */
+ {
+ ++i, ++n;
+ ++i, ++n;
+ }
+ }
- for (; i != m_demux.end(); ++i)
- if ((!i->m_inuse) && ((!fe) || (i->m_adapter == fe->m_adapter)))
+ for (; i != m_demux.end(); ++i, ++n)
+ {
+ int is_decode = n < 2;
+
+ int in_use = is_decode ? (i->m_demux->getRefCount() != 2) : i->m_inuse;
+
+ if ((!in_use) && ((!fe) || (i->m_adapter == fe->m_adapter)))
{
+ if ((cap & iDVBChannel::capDecode) && !is_decode)
+ continue;
+
demux = new eDVBAllocatedDemux(i);
- eDebug("demux found");
+ if (fe)
+ demux->get().setSourceFrontend(fe->m_frontend->getDVBID());
+ else
+ demux->get().setSourcePVR(0);
return 0;
}
+ }
eDebug("demux not found");
return -1;
}
return -ENOENT;
}
-
RESULT eDVBResourceManager::allocateChannel(const eDVBChannelID &channelid, eUsePtr<iDVBChannel> &channel)
{
/* first, check if a channel is already existing. */
-
+
+ if (m_cached_channel)
+ {
+ eDVBChannel *cache_chan = (eDVBChannel*)&(*m_cached_channel);
+ if(channelid==cache_chan->getChannelID())
+ {
+ eDebug("use cached_channel");
+ 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());
for (std::list<active_channel>::iterator i(m_active_channels.begin()); i != m_active_channels.end(); ++i)
{
}
}
- /* no currently available channel is tuned to this channelid. create a new one, if possible. */
-
- /* allocate a frontend. */
+ /* no currently available channel is tuned to this channelid. create a new one, if possible. */
+
+ if (!m_list)
+ {
+ eDebug("no channel list set!");
+ return -ENOENT;
+ }
+
+ ePtr<iDVBFrontendParameters> feparm;
+ if (m_list->getChannelFrontendData(channelid, feparm))
+ {
+ eDebug("channel not found!");
+ return -ENOENT;
+ }
+
+ /* allocate a frontend. */
ePtr<eDVBAllocatedFrontend> fe;
- if (allocateFrontend(channelid, fe))
+ if (allocateFrontend(fe, feparm))
return errNoFrontend;
-
-// will be allocated on demand:
-// ePtr<eDVBAllocatedDemux> demux;
-//
-// if (allocateDemux(*fe, demux))
-// return errNoDemux;
-
+
RESULT res;
- eDVBChannel *ch;
+ ePtr<eDVBChannel> ch;
ch = new eDVBChannel(this, fe);
- ePtr<iDVBFrontend> myfe;
- if (!ch->getFrontend(myfe))
- myfe->setSEC(m_sec);
-
- res = ch->setChannel(channelid);
+ res = ch->setChannel(channelid, feparm);
if (res)
{
channel = 0;
return errChidNotFound;
}
-
- channel = ch;
+ m_cached_channel = channel = ch;
+ m_cached_channel_state_changed_conn =
+ CONNECT(ch->m_stateChanged,eDVBResourceManager::DVBChannelStateChanged);
+
return 0;
}
-RESULT eDVBResourceManager::allocateRawChannel(eUsePtr<iDVBChannel> &channel)
+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 slot_index)
{
ePtr<eDVBAllocatedFrontend> fe;
-
- if (allocateFrontend(eDVBChannelID(), fe))
+
+ if (m_cached_channel)
+ {
+ m_cached_channel_state_changed_conn.disconnect();
+ m_cached_channel=0;
+ m_releaseCachedChannelTimer.stop();
+ }
+
+ if (allocateFrontendByIndex(fe, slot_index))
return errNoFrontend;
-// ePtr<eDVBAllocatedDemux> demux;
- //
-// if (allocateDemux(*fe, demux))
-// return errNoDemux;
-
eDVBChannel *ch;
ch = new eDVBChannel(this, fe);
- ePtr<iDVBFrontend> myfe;
- if (!ch->getFrontend(myfe))
- myfe->setSEC(m_sec);
-
channel = ch;
return 0;
}
RESULT eDVBResourceManager::allocatePVRChannel(eUsePtr<iDVBPVRChannel> &channel)
{
ePtr<eDVBAllocatedDemux> demux;
-
-// if (allocateDemux(0, demux))
-// return errNoDemux;
-
+
+ if (m_cached_channel && m_releaseCachedChannelTimer.isActive())
+ {
+ m_cached_channel_state_changed_conn.disconnect();
+ m_cached_channel=0;
+ m_releaseCachedChannelTimer.stop();
+ }
+
eDVBChannel *ch;
ch = new eDVBChannel(this, 0);
-
+
channel = ch;
return 0;
}
RESULT eDVBResourceManager::addChannel(const eDVBChannelID &chid, eDVBChannel *ch)
{
- eDebug("add channel %p", ch);
m_active_channels.push_back(active_channel(chid, ch));
/* emit */ m_channelAdded(ch);
return 0;
return 0;
}
+int eDVBResourceManager::canAllocateFrontend(ePtr<iDVBFrontendParameters> &feparm)
+{
+ ePtr<eDVBRegisteredFrontend> best;
+ int bestval = 0;
+
+ for (eSmartPtrList<eDVBRegisteredFrontend>::iterator i(m_frontend.begin()); i != m_frontend.end(); ++i)
+ if (!i->m_inuse)
+ {
+ int c = i->m_frontend->isCompatibleWith(feparm);
+ if (c > bestval)
+ bestval = c;
+ }
+ return bestval;
+}
+
+int tuner_type_channel_default(ePtr<iDVBChannelList> &channellist, const eDVBChannelID &chid)
+{
+ if (channellist)
+ {
+ ePtr<iDVBFrontendParameters> feparm;
+ if (!channellist->getChannelFrontendData(chid, feparm))
+ {
+ int system;
+ if (!feparm->getSystem(system))
+ {
+ switch(system)
+ {
+ case iDVBFrontend::feSatellite:
+ return 50000;
+ case iDVBFrontend::feCable:
+ return 40000;
+ case iDVBFrontend::feTerrestrial:
+ return 30000;
+ default:
+ break;
+ }
+ }
+ }
+ }
+ return 0;
+}
+
+int eDVBResourceManager::canAllocateChannel(const eDVBChannelID &channelid, const eDVBChannelID& ignore)
+{
+ int ret=0;
+ if (m_cached_channel)
+ {
+ eDVBChannel *cache_chan = (eDVBChannel*)&(*m_cached_channel);
+ if(channelid==cache_chan->getChannelID())
+ return tuner_type_channel_default(m_list, channelid);
+ }
+
+ /* 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..");
+ return tuner_type_channel_default(m_list, channelid);
+ }
+ }
+
+ int *decremented_cached_channel_fe_usecount=NULL,
+ *decremented_fe_usecount=NULL;
+
+ 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 == ignore)
+ {
+ eDVBChannel *channel = (eDVBChannel*) &(*i->m_channel);
+ // one eUsePtr<iDVBChannel> is used in eDVBServicePMTHandler
+ // another on eUsePtr<iDVBChannel> is used in the eDVBScan instance used in eDVBServicePMTHandler (for SDT scan)
+ // so we must check here if usecount is 3 (when the channel is equal to the cached channel)
+ // or 2 when the cached channel is not equal to the compared channel
+ if (channel == &(*m_cached_channel) ? channel->getUseCount() == 3 : channel->getUseCount() == 2) // channel only used once..
+ {
+ ePtr<iDVBFrontend> fe;
+ if (!i->m_channel->getFrontend(fe))
+ {
+ for (eSmartPtrList<eDVBRegisteredFrontend>::iterator ii(m_frontend.begin()); ii != m_frontend.end(); ++ii)
+ {
+ if ( &(*fe) == &(*ii->m_frontend) )
+ {
+ --ii->m_inuse;
+ decremented_fe_usecount = &ii->m_inuse;
+ if (channel == &(*m_cached_channel))
+ decremented_cached_channel_fe_usecount = decremented_fe_usecount;
+ break;
+ }
+ }
+ }
+ }
+ break;
+ }
+ }
+
+ if (!decremented_cached_channel_fe_usecount)
+ {
+ if (m_cached_channel)
+ {
+ eDVBChannel *channel = (eDVBChannel*) &(*m_cached_channel);
+ if (channel->getUseCount() == 1)
+ {
+ ePtr<iDVBFrontend> fe;
+ if (!channel->getFrontend(fe))
+ {
+ for (eSmartPtrList<eDVBRegisteredFrontend>::iterator ii(m_frontend.begin()); ii != m_frontend.end(); ++ii)
+ {
+ if ( &(*fe) == &(*ii->m_frontend) )
+ {
+ --ii->m_inuse;
+ decremented_cached_channel_fe_usecount = &ii->m_inuse;
+ break;
+ }
+ }
+ }
+ }
+ }
+ }
+ else
+ decremented_cached_channel_fe_usecount=NULL;
+
+ ePtr<iDVBFrontendParameters> feparm;
+
+ if (!m_list)
+ {
+ eDebug("no channel list set!");
+ goto error;
+ }
+
+ if (m_list->getChannelFrontendData(channelid, feparm))
+ {
+ eDebug("channel not found!");
+ goto error;
+ }
+
+ ret = canAllocateFrontend(feparm);
+
+error:
+ if (decremented_fe_usecount)
+ ++(*decremented_fe_usecount);
+ if (decremented_cached_channel_fe_usecount)
+ ++(*decremented_cached_channel_fe_usecount);
+
+ return ret;
+}
+
+class eDVBChannelFilePush: public eFilePushThread
+{
+public:
+ void setIFrameSearch(int enabled) { m_iframe_search = enabled; m_iframe_state = 0; }
+protected:
+ int m_iframe_search, m_iframe_state, m_pid;
+ int filterRecordData(const unsigned char *data, int len, size_t ¤t_span_remaining);
+};
+
+int eDVBChannelFilePush::filterRecordData(const unsigned char *_data, int len, size_t ¤t_span_remaining)
+{
+#if 0 /* not yet */
+ if (!m_iframe_search)
+ return len;
+
+ unsigned char *data = (unsigned char*)_data; /* remove that const. we know what we are doing. */
+
+ eDebug("filterRecordData, size=%d (mod 188=%d), first byte is %02x", len, len %188, data[0]);
+
+ unsigned char *d = data;
+ while ((d = (unsigned char*)memmem(d, data + len - d, "\x00\x00\x01", 3)))
+ {
+ int offset = d - data;
+ int ts_offset = offset - offset % 188; /* offset to the start of TS packet */
+ unsigned char *ts = data + ts_offset;
+ int pid = ((ts[1] << 8) | ts[2]) & 0x1FFF;
+
+ if ((d[3] == 0) && (m_pid == pid)) /* picture start */
+ {
+ int picture_type = (d[5] >> 3) & 7;
+ d += 4;
+
+ eDebug("%d-frame at %d, offset in TS packet: %d, pid=%04x", picture_type, offset, offset % 188, pid);
+
+ if (m_iframe_state == 1)
+ {
+ /* we are allowing data, and stop allowing data on the next frame.
+ we now found a frame. so stop here. */
+ memset(data + offset, 0, 188 - (offset%188)); /* zero out rest of TS packet */
+ current_span_remaining = 0;
+ m_iframe_state = 0;
+ unsigned char *fts = ts + 188;
+ while (fts < (data + len))
+ {
+ fts[1] |= 0x1f;
+ fts[2] |= 0xff; /* drop packet */
+ fts += 188;
+ }
+
+ return len; // ts_offset + 188; /* deliver this packet, but not more. */
+ } else
+ {
+ if (picture_type != 1) /* we are only interested in I frames */
+ continue;
+
+ unsigned char *fts = data;
+ while (fts < ts)
+ {
+ fts[1] |= 0x1f;
+ fts[2] |= 0xff; /* drop packet */
+
+ fts += 188;
+ }
+ /* force payload only */
+ ts[3] &= ~0x30;
+ ts[3] |= 0x10;
+
+// memset(ts + 4, 0xFF, (offset % 188) - 4);
+
+ m_iframe_state = 1;
+ }
+ } else if ((d[3] & 0xF0) == 0xE0) /* video stream */
+ {
+ if (m_pid != pid)
+ {
+ eDebug("now locked to pid %04x", pid);
+ m_pid = pid;
+ }
+// m_pid = 0x6e;
+ d += 4;
+ } else
+ d += 4; /* ignore */
+
+ }
+
+ if (m_iframe_state == 1)
+ return len;
+ else
+ return 0; /* we need find an iframe first */
+#else
+ return len;
+#endif
+}
+
DEFINE_REF(eDVBChannel);
eDVBChannel::eDVBChannel(eDVBResourceManager *mgr, eDVBAllocatedFrontend *frontend): m_state(state_idle), m_mgr(mgr)
m_pvr_thread = 0;
+ m_skipmode_n = m_skipmode_m = 0;
+
if (m_frontend)
m_frontend->get().connectStateChange(slot(*this, &eDVBChannel::frontendStateChanged), m_conn_frontendStateChanged);
}
{
if (m_channel_id)
m_mgr->removeChannel(this);
-
- if (m_pvr_thread)
- {
- m_pvr_thread->stop();
- ::close(m_pvr_fd_src);
- ::close(m_pvr_fd_dst);
- delete m_pvr_thread;
- }
+
+ stopFile();
}
void eDVBChannel::frontendStateChanged(iDVBFrontend*fe)
{
- eDebug("fe state changed!");
int state, ourstate = 0;
/* if we are already in shutdown, don't change state. */
{
eDebug("OURSTATE: tuning");
ourstate = state_tuning;
+ } else if (state == iDVBFrontend::stateLostLock)
+ {
+ /* on managed channels, we try to retune in order to re-acquire lock. */
+ if (m_current_frontend_parameters)
+ {
+ eDebug("OURSTATE: lost lock, trying to retune");
+ ourstate = state_tuning;
+ m_frontend->get().tune(*m_current_frontend_parameters);
+ } else
+ /* on unmanaged channels, we don't do this. the client will do this. */
+ {
+ eDebug("OURSTATE: lost lock, unavailable now.");
+ ourstate = state_unavailable;
+ }
} else if (state == iDVBFrontend::stateFailed)
{
- eDebug("OURSTATE: failed/unavailable");
- ourstate = state_unavailable;
+ eDebug("OURSTATE: failed");
+ ourstate = state_failed;
} else
eFatal("state unknown");
}
}
+void eDVBChannel::pvrEvent(int event)
+{
+ switch (event)
+ {
+ case eFilePushThread::evtEOF:
+ eDebug("eDVBChannel: End of file!");
+ m_event(this, evtEOF);
+ break;
+ case eFilePushThread::evtUser: /* start */
+ eDebug("SOF");
+ m_event(this, evtSOF);
+ break;
+ }
+}
+
+void eDVBChannel::cueSheetEvent(int event)
+{
+ switch (event)
+ {
+ case eCueSheet::evtSeek:
+ eDebug("seek.");
+ flushPVR(m_cue->m_decoding_demux);
+ break;
+ case eCueSheet::evtSkipmode:
+ {
+ {
+ m_cue->m_lock.WrLock();
+ m_cue->m_seek_requests.push_back(std::pair<int, pts_t>(1, 0)); /* resync */
+ m_cue->m_lock.Unlock();
+ eRdLocker l(m_cue->m_lock);
+ if (m_cue->m_skipmode_ratio)
+ {
+ int bitrate = m_tstools.calcBitrate(); /* in bits/s */
+ eDebug("skipmode ratio is %lld:90000, bitrate is %d bit/s", m_cue->m_skipmode_ratio, bitrate);
+ /* i agree that this might look a bit like black magic. */
+ m_skipmode_n = 512*1024; /* must be 1 iframe at least. */
+ m_skipmode_m = bitrate / 8 / 90000 * m_cue->m_skipmode_ratio / 8;
+
+ if (m_cue->m_skipmode_ratio < 0)
+ m_skipmode_m -= m_skipmode_n;
+
+ eDebug("resolved to: %d %d", m_skipmode_m, m_skipmode_n);
+
+ if (abs(m_skipmode_m) < abs(m_skipmode_n))
+ {
+ eWarning("something is wrong with this calculation");
+ m_skipmode_n = m_skipmode_m = 0;
+ }
+
+ } else
+ {
+ eDebug("skipmode ratio is 0, normal play");
+ m_skipmode_n = m_skipmode_m = 0;
+ }
+ }
+ ASSERT(m_pvr_thread);
+ m_pvr_thread->setIFrameSearch(m_skipmode_n != 0);
+ eDebug("flush pvr");
+ flushPVR(m_cue->m_decoding_demux);
+ eDebug("done");
+ break;
+ }
+ case eCueSheet::evtSpanChanged:
+ {
+ m_source_span.clear();
+ for (std::list<std::pair<pts_t, pts_t> >::const_iterator i(m_cue->m_spans.begin()); i != m_cue->m_spans.end(); ++i)
+ {
+ off_t offset_in, offset_out;
+ pts_t pts_in = i->first, pts_out = i->second;
+ if (m_tstools.getOffset(offset_in, pts_in) || m_tstools.getOffset(offset_out, pts_out))
+ {
+ eDebug("span translation failed.\n");
+ continue;
+ }
+ eDebug("source span: %llx .. %llx, translated to %llx..%llx", pts_in, pts_out, offset_in, offset_out);
+ m_source_span.push_back(std::pair<off_t, off_t>(offset_in, offset_out));
+ }
+ break;
+ }
+ }
+}
+
+ /* align toward zero */
+static inline long long align(long long x, int align)
+{
+ int sign = x < 0;
+
+ if (sign)
+ x = -x;
+
+ x -= x % align;
+
+ if (sign)
+ x = -x;
+
+ return x;
+}
+
+ /* remember, this gets called from another thread. */
+void eDVBChannel::getNextSourceSpan(off_t current_offset, size_t bytes_read, off_t &start, size_t &size)
+{
+ const int blocksize = 188;
+ unsigned int max = align(10*1024*1024, blocksize);
+ current_offset = align(current_offset, blocksize);
+
+ if (!m_cue)
+ {
+ eDebug("no cue sheet. forcing normal play");
+ start = current_offset;
+ size = max;
+ return;
+ }
+
+ m_cue->m_lock.RdLock();
+ if (!m_cue->m_decoding_demux)
+ {
+ start = current_offset;
+ size = max;
+ eDebug("getNextSourceSpan, no decoding demux. forcing normal play");
+ m_cue->m_lock.Unlock();
+ return;
+ }
+
+ if (m_skipmode_n)
+ {
+ eDebug("skipmode %d:%d", m_skipmode_m, m_skipmode_n);
+ max = align(m_skipmode_n, blocksize);
+ }
+
+ eDebug("getNextSourceSpan, current offset is %08llx, m_skipmode_m = %d!", current_offset, m_skipmode_m);
+
+ current_offset += align(m_skipmode_m, blocksize);
+
+ while (!m_cue->m_seek_requests.empty())
+ {
+ std::pair<int, pts_t> seek = m_cue->m_seek_requests.front();
+ m_cue->m_lock.Unlock();
+ m_cue->m_lock.WrLock();
+ m_cue->m_seek_requests.pop_front();
+ m_cue->m_lock.Unlock();
+ m_cue->m_lock.RdLock();
+ int relative = seek.first;
+ pts_t pts = seek.second;
+
+ pts_t now = 0;
+ if (relative)
+ {
+ if (!m_cue->m_decoder)
+ {
+ eDebug("no decoder - can't seek relative");
+ continue;
+ }
+ if (m_cue->m_decoder->getPTS(0, now))
+ {
+ eDebug("decoder getPTS failed, can't seek relative");
+ continue;
+ }
+ if (getCurrentPosition(m_cue->m_decoding_demux, now, 1))
+ {
+ eDebug("seekTo: getCurrentPosition failed!");
+ continue;
+ }
+ } else if (pts < 0) /* seek relative to end */
+ {
+ pts_t len;
+ if (!getLength(len))
+ {
+ eDebug("seeking relative to end. len=%lld, seek = %lld", len, pts);
+ pts += len;
+ } else
+ {
+ eWarning("getLength failed - can't seek relative to end!");
+ continue;
+ }
+ }
+
+ if (relative == 1) /* pts relative */
+ {
+ pts += now;
+ if (pts < 0)
+ pts = 0;
+ }
+
+ if (relative != 2)
+ if (pts < 0)
+ pts = 0;
+
+ if (relative == 2) /* AP relative */
+ {
+ eDebug("AP relative seeking: %lld, at %lld", pts, now);
+ pts_t nextap;
+ if (m_tstools.getNextAccessPoint(nextap, now, pts))
+ {
+ pts = now - 90000; /* approx. 1s */
+ eDebug("AP relative seeking failed!");
+ } else
+ {
+ eDebug("next ap is %llx\n", pts);
+ pts = nextap;
+ }
+ }
+
+ off_t offset = 0;
+ if (m_tstools.getOffset(offset, pts))
+ {
+ eDebug("get offset for pts=%lld failed!", pts);
+ continue;
+ }
+
+ eDebug("ok, resolved skip (rel: %d, diff %lld), now at %08llx", relative, pts, offset);
+ current_offset = align(offset, blocksize); /* in case tstools return non-aligned offset */
+ }
+
+ m_cue->m_lock.Unlock();
+
+ for (std::list<std::pair<off_t, off_t> >::const_iterator i(m_source_span.begin()); i != m_source_span.end(); ++i)
+ {
+ long long aligned_start = align(i->first, blocksize);
+ long long aligned_end = align(i->second, blocksize);
+
+ if ((current_offset >= aligned_start) && (current_offset < aligned_end))
+ {
+ start = current_offset;
+ /* max can not exceed max(size_t). aligned_end - current_offset, however, can. */
+ if ((aligned_end - current_offset) > max)
+ size = max;
+ else
+ size = aligned_end - current_offset;
+ eDebug("HIT, %lld < %lld < %lld, size: %d", i->first, current_offset, i->second, size);
+ return;
+ }
+ if (current_offset < aligned_start)
+ {
+ /* ok, our current offset is in an 'out' zone. */
+ if ((m_skipmode_m >= 0) || (i == m_source_span.begin()))
+ {
+ /* in normal playback, just start at the next zone. */
+ start = i->first;
+
+ /* size is not 64bit! */
+ if ((i->second - i->first) > max)
+ size = max;
+ else
+ size = aligned_end - aligned_start;
+
+ eDebug("skip");
+ if (m_skipmode_m < 0)
+ {
+ eDebug("reached SOF");
+ /* reached SOF */
+ m_skipmode_m = 0;
+ m_pvr_thread->sendEvent(eFilePushThread::evtUser);
+ }
+ } else
+ {
+ /* when skipping reverse, however, choose the zone before. */
+ --i;
+ eDebug("skip to previous block, which is %llx..%llx", i->first, i->second);
+ size_t len;
+
+ aligned_start = align(i->first, blocksize);
+ aligned_end = align(i->second, blocksize);
+
+ if ((aligned_end - aligned_start) > max)
+ len = max;
+ else
+ len = aligned_end - aligned_start;
+
+ start = aligned_end - len;
+ eDebug("skipping to %llx, %d", start, len);
+ }
+
+ eDebug("result: %llx, %x (%llx %llx)", start, size, aligned_start, aligned_end);
+ return;
+ }
+ }
+
+ if ((current_offset < -m_skipmode_m) && (m_skipmode_m < 0))
+ {
+ eDebug("reached SOF");
+ m_skipmode_m = 0;
+ m_pvr_thread->sendEvent(eFilePushThread::evtUser);
+ }
+
+ start = current_offset;
+ size = max;
+
+ eDebug("END OF CUESHEET. (%08llx, %d)", start, size);
+ return;
+}
+
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()
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)
+RESULT eDVBChannel::setChannel(const eDVBChannelID &channelid, ePtr<iDVBFrontendParameters> &feparm)
{
if (m_channel_id)
m_mgr->removeChannel(this);
if (!channelid)
return 0;
- ePtr<iDVBChannelList> list;
-
- if (m_mgr->getChannelList(list))
- {
- eDebug("no channel list set!");
- return -ENOENT;
- }
-
- 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))
- {
- eDebug("channel not found!");
- return -ENOENT;
- }
- eDebug("allocateChannel: channel found..");
-
if (!m_frontend)
{
eDebug("no frontend to tune!");
m_channel_id = channelid;
m_mgr->addChannel(channelid, this);
m_state = state_tuning;
- return m_frontend->get().tune(*feparm);
+ /* if tuning fails, shutdown the channel immediately. */
+ int res;
+ res = m_frontend->get().tune(*feparm);
+ m_current_frontend_parameters = feparm;
+
+ if (res)
+ {
+ m_state = state_release;
+ m_stateChanged(this);
+ return res;
+ }
+
+ return 0;
}
RESULT eDVBChannel::connectStateChange(const Slot1<void,iDVBChannel*> &stateChange, ePtr<eConnection> &connection)
return 0;
}
+RESULT eDVBChannel::connectEvent(const Slot2<void,iDVBChannel*,int> &event, ePtr<eConnection> &connection)
+{
+ connection = new eConnection((iDVBChannel*)this, m_event.connect(event));
+ return 0;
+}
+
RESULT eDVBChannel::getState(int &state)
{
state = m_state;
demux = 0;
if (m_mgr->allocateDemux(m_frontend ? (eDVBRegisteredFrontend*)*m_frontend : (eDVBRegisteredFrontend*)0, our_demux, cap))
- return 0;
+ return -1;
}
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;
return 0;
}
RESULT eDVBChannel::getFrontend(ePtr<iDVBFrontend> &frontend)
{
+ frontend = 0;
+ if (!m_frontend)
+ return -ENODEV;
frontend = &m_frontend->get();
if (frontend)
return 0;
- else
- return -ENODEV;
+ return -ENODEV;
+}
+
+RESULT eDVBChannel::getCurrentFrontendParameters(ePtr<iDVBFrontendParameters> ¶m)
+{
+ param = m_current_frontend_parameters;
+ return 0;
}
RESULT eDVBChannel::playFile(const char *file)
THEN DO A REAL FIX HERE! */
/* (this codepath needs to be improved anyway.) */
+#if HAVE_DVB_API_VERSION < 3
+ m_pvr_fd_dst = open("/dev/pvr", O_WRONLY);
+#else
m_pvr_fd_dst = open("/dev/misc/pvr", O_WRONLY);
+#endif
if (m_pvr_fd_dst < 0)
{
- eDebug("can't open /dev/misc/pvr - you need to buy the new(!) $$$ box! (%m)");
+ eDebug("can't open /dev/misc/pvr - you need to buy the new(!) $$$ box! (%m)"); // or wait for the driver to be improved.
return -ENODEV;
}
-
- m_pvr_fd_src = open(file, O_RDONLY);
- if (m_pvr_fd_src < 0)
+
+ m_pvr_thread = new eDVBChannelFilePush();
+ m_pvr_thread->enablePVRCommit(1);
+ m_pvr_thread->setStreamMode(1);
+ m_pvr_thread->setScatterGather(this);
+
+ if (m_pvr_thread->start(file, m_pvr_fd_dst))
{
- eDebug("can't open PVR m_pvr_fd_src file %s (%m)", file);
- close(m_pvr_fd_dst);
+ delete m_pvr_thread;
+ m_pvr_thread = 0;
+ eDebug("can't open PVR file %s (%m)", file);
return -ENOENT;
}
-
+ CONNECT(m_pvr_thread->m_event, eDVBChannel::pvrEvent);
+
m_state = state_ok;
m_stateChanged(this);
-
- m_pvr_thread = new eFilePushThread();
- m_pvr_thread->start(m_pvr_fd_src, m_pvr_fd_dst);
return 0;
}
+void eDVBChannel::stopFile()
+{
+ if (m_pvr_thread)
+ {
+ m_pvr_thread->stop();
+ ::close(m_pvr_fd_dst);
+ delete m_pvr_thread;
+ m_pvr_thread = 0;
+ }
+}
+
+void eDVBChannel::setCueSheet(eCueSheet *cuesheet)
+{
+ m_conn_cueSheetEvent = 0;
+ m_cue = cuesheet;
+ if (m_cue)
+ m_cue->connectEvent(slot(*this, &eDVBChannel::cueSheetEvent), m_conn_cueSheetEvent);
+}
+
RESULT eDVBChannel::getLength(pts_t &len)
{
return m_tstools.calcLen(len);
}
-RESULT eDVBChannel::getCurrentPosition(pts_t &pos)
+RESULT eDVBChannel::getCurrentPosition(iDVBDemux *decoding_demux, pts_t &pos, int mode)
{
- if (!m_decoder_demux)
+ 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;
- r = m_decoder_demux->get().getSTC(now);
-
- if (r)
+ int 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 */
-// 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;
}
-RESULT eDVBChannel::seekTo(pts_t &pts)
+void eDVBChannel::flushPVR(iDVBDemux *decoding_demux)
{
+ /* when seeking, we have to ensure that all buffers are flushed.
+ there are basically 3 buffers:
+ a.) the filepush's internal buffer
+ b.) the PVR buffer (before demux)
+ c.) the ratebuffer (after demux)
+
+ it's important to clear them in the correct order, otherwise
+ the ratebuffer (for example) would immediately refill from
+ the not-yet-flushed PVR buffer.
+ */
+
m_pvr_thread->pause();
- if (m_decoder_demux)
- m_decoder_demux->get().flush();
+ /* flush internal filepush buffer */
+ m_pvr_thread->flush();
+ /* HACK: flush PVR buffer */
+ ::ioctl(m_pvr_fd_dst, 0);
+
+ /* flush ratebuffers (video, audio) */
+ if (decoding_demux)
+ decoding_demux->flush();
+
/* demux will also flush all decoder.. */
-// m_pvr_thread->seek(pts);
+ /* resume will re-query the SG */
m_pvr_thread->resume();
}
+DEFINE_REF(eCueSheet);
+
+eCueSheet::eCueSheet()
+{
+ m_skipmode_ratio = 0;
+}
+
+void eCueSheet::seekTo(int relative, const pts_t &pts)
+{
+ m_lock.WrLock();
+ m_seek_requests.push_back(std::pair<int, pts_t>(relative, pts));
+ m_lock.Unlock();
+ m_event(evtSeek);
+}
+
+void eCueSheet::clear()
+{
+ m_lock.WrLock();
+ m_spans.clear();
+ m_lock.Unlock();
+}
+
+void eCueSheet::addSourceSpan(const pts_t &begin, const pts_t &end)
+{
+ m_lock.WrLock();
+ m_spans.push_back(std::pair<pts_t, pts_t>(begin, end));
+ m_lock.Unlock();
+}
+
+void eCueSheet::commitSpans()
+{
+ m_event(evtSpanChanged);
+}
+
+void eCueSheet::setSkipmode(const pts_t &ratio)
+{
+ m_lock.WrLock();
+ m_skipmode_ratio = ratio;
+ m_lock.Unlock();
+ m_event(evtSkipmode);
+}
+
+void eCueSheet::setDecodingDemux(iDVBDemux *demux, iTSMPEGDecoder *decoder)
+{
+ m_decoding_demux = demux;
+ m_decoder = decoder;
+}
+
+RESULT eCueSheet::connectEvent(const Slot1<void,int> &event, ePtr<eConnection> &connection)
+{
+ connection = new eConnection(this, m_event.connect(event));
+ return 0;
+}
projects / vuplus_dvbapp / blobdiff