Update httpstream
[vuplus_dvbapp] / lib / dvb / dvb.cpp
old mode 100644 (file)
new mode 100755 (executable)
index 2460943..e32e5f8
@@ -82,8 +82,36 @@ 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 if (!strncmp(tmp, "dm800se\n", rd))
+               m_boxtype = DM800SE;
+       else if (!strncmp(tmp, "dm7020hd\n", rd))
+               m_boxtype = DM7020HD;
+       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 %zd adapter, %zd frontends(%zd sim) and %zd demux, boxtype %d",
+               m_adapter.size(), m_frontend.size(), m_simulate_frontend.size(), m_demux.size(), m_boxtype);
 
        eDVBCAService::registerChannelCallback(this);
 
@@ -117,19 +145,20 @@ eDVBAdapterLinux::eDVBAdapterLinux(int nr): m_nr(nr)
 #endif
                if (stat(filename, &s))
                        break;
-               ePtr<eDVBFrontend> fe;
+               eDVBFrontend *fe;
 
                {
                        int ok = 0;
-                       fe = new eDVBFrontend(m_nr, num_fe, ok);
+                       fe = new eDVBFrontend(m_nr, num_fe, ok, true);
                        if (ok)
-                               m_frontend.push_back(fe);
+                               m_simulate_frontend.push_back(ePtr<eDVBFrontend>(fe));
                }
+
                {
                        int ok = 0;
-                       fe = new eDVBFrontend(m_nr, num_fe, ok, true);
+                       fe = new eDVBFrontend(m_nr, num_fe, ok, false, fe);
                        if (ok)
-                               m_simulate_frontend.push_back(fe);
+                               m_frontend.push_back(ePtr<eDVBFrontend>(fe));
                }
                ++num_fe;
        }
@@ -294,27 +323,34 @@ PyObject *eDVBResourceManager::setFrontendSlotInformations(ePyObject list)
                PyErr_SetString(PyExc_StandardError, "eDVBResourceManager::setFrontendSlotInformations argument should be a python list");
                return NULL;
        }
-       if ((unsigned int)PyList_Size(list) != m_frontend.size())
+       unsigned int assigned=0;
+       for (eSmartPtrList<eDVBRegisteredFrontend>::iterator i(m_frontend.begin()); i != m_frontend.end(); ++i)
        {
+               int pos=0;
+               while (pos < PyList_Size(list)) {
+                       ePyObject obj = PyList_GET_ITEM(list, pos++);
+                       if (!i->m_frontend->setSlotInfo(obj))
+                               continue;
+                       ++assigned;
+                       break;
+               }
+       }
+       if (assigned != 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));
+               sprintf(blasel, "eDVBResourceManager::setFrontendSlotInformations .. assigned %zd socket informations, but %d registered frontends!",
+                       m_frontend.size(), assigned);
                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;
-       }
-       pos=0;
        for (eSmartPtrList<eDVBRegisteredFrontend>::iterator i(m_simulate_frontend.begin()); i != m_simulate_frontend.end(); ++i)
        {
-               ePyObject obj = PyList_GET_ITEM(list, pos++);
-               if (!i->m_frontend->setSlotInfo(obj))
-                       return NULL;
+               int pos=0;
+               while (pos < PyList_Size(list)) {
+                       ePyObject obj = PyList_GET_ITEM(list, pos++);
+                       if (!i->m_frontend->setSlotInfo(obj))
+                               continue;
+                       break;
+               }
        }
        Py_RETURN_NONE;
 }
@@ -414,7 +450,9 @@ 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. */
@@ -429,7 +467,36 @@ RESULT eDVBResourceManager::allocateDemux(eDVBRegisteredFrontend *fe, ePtr<eDVBA
 
        ePtr<eDVBRegisteredDemux> unused;
 
-       if (m_demux.size() < 5)
+       if (m_boxtype == DM800) // dm800
+       {
+               cap |= capHoldDecodeReference; // this is checked in eDVBChannel::getDemux
+               for (; i != m_demux.end(); ++i, ++n)
+               {
+                       if (!i->m_inuse)
+                       {
+                               if (!unused)
+                                       unused = i;
+                       }
+                       else
+                       {
+                               if (fe)
+                               {
+                                       if (i->m_adapter == fe->m_adapter && 
+                                           i->m_demux->getSource() == fe->m_frontend->getDVBID())
+                                       {
+                                               demux = new eDVBAllocatedDemux(i);
+                                               return 0;
+                                       }
+                               }
+                               else if (i->m_demux->getSource() == -1) // PVR
+                               {
+                                       demux = new eDVBAllocatedDemux(i);
+                                       return 0;
+                               }
+                       }
+               }
+       }
+       else if (m_boxtype == DM7025) // ATI
        {
                /* FIXME: hardware demux policy */
                if (!(cap & iDVBChannel::capDecode))
@@ -456,31 +523,48 @@ RESULT eDVBResourceManager::allocateDemux(eDVBRegisteredFrontend *fe, ePtr<eDVBA
                        }
                }
        }
-       else // we asume dm8000
+       else if (m_boxtype == DM8000 || m_boxtype == DM500HD || m_boxtype == DM800SE || m_boxtype == DM7020HD)
        {
-               for (; i != m_demux.end(); ++i, ++n)
+               iDVBAdapter *adapter = fe ? fe->m_adapter : m_adapter.begin(); /* look for a demux on the same adapter as the frontend, or the first adapter for dvr playback */
+               int source = fe ? fe->m_frontend->getDVBID() : -1;
+               cap |= capHoldDecodeReference; // this is checked in eDVBChannel::getDemux
+               if (!fe)
                {
-                       if (fe)
+                       /*
+                        * For pvr playback, start with the last demux.
+                        * On some hardware, we have less ca devices than demuxes,
+                        * so we should try to leave the first demuxes for live tv,
+                        * and start with the last for pvr playback
+                        */
+                       i = m_demux.end();
+                       --i;
+               }
+               while (i != m_demux.end())
+               {
+                       if (i->m_adapter == adapter)
                        {
                                if (!i->m_inuse)
                                {
-                                       if (!unused)
-                                               unused = i;
+                                       /* mark the first unused demux, we'll use that when we do not find a better match */
+                                       if (!unused) unused = i;
                                }
-                               else if (i->m_adapter == fe->m_adapter &&
-                                   i->m_demux->getSource() == fe->m_frontend->getDVBID())
+                               else
                                {
-                                       demux = new eDVBAllocatedDemux(i);
-                                       return 0;
+                                       /* demux is in use, see if we can share it */
+                                       if (source >= 0 && i->m_demux->getSource() == source)
+                                       {
+                                               demux = new eDVBAllocatedDemux(i);
+                                               return 0;
+                                       }
                                }
                        }
-                       else if (n == 4) // always use demux4 for PVR (demux 4 can not descramble...)
+                       if (fe)
                        {
-                               if (i->m_inuse) {
-                                       demux = new eDVBAllocatedDemux(i);
-                                       return 0;
-                               }
-                               unused = i;
+                               ++i;
+                       }
+                       else
+                       {
+                               --i;
                        }
                }
        }
@@ -651,8 +735,7 @@ RESULT eDVBResourceManager::allocateRawChannel(eUsePtr<iDVBChannel> &channel, in
        return 0;
 }
 
-
-RESULT eDVBResourceManager::allocatePVRChannel(eUsePtr<iDVBPVRChannel> &channel)
+RESULT eDVBResourceManager::allocatePVRChannel(const eDVBChannelID &channelid, eUsePtr<iDVBPVRChannel> &channel)
 {
        ePtr<eDVBAllocatedDemux> demux;
 
@@ -663,7 +746,18 @@ RESULT eDVBResourceManager::allocatePVRChannel(eUsePtr<iDVBPVRChannel> &channel)
                m_releaseCachedChannelTimer->stop();
        }
 
-       channel = new eDVBChannel(this, 0);
+       ePtr<eDVBChannel> ch = new eDVBChannel(this, 0);
+       if (channelid)
+       {
+               /*
+                * user provided a channelid, with the clear intention for
+                * this channel to be registered at the resource manager.
+                * (allowing e.g. epgcache to be started)
+                */
+               ePtr<iDVBFrontendParameters> feparm;
+               ch->setChannel(channelid, feparm);
+       }
+       channel = ch;
        return 0;
 }
 
@@ -730,17 +824,17 @@ int eDVBResourceManager::canAllocateFrontend(ePtr<iDVBFrontendParameters> &fepar
        return bestval;
 }
 
-int tuner_type_channel_default(ePtr<iDVBChannelList> &channellist, const eDVBChannelID &chid)
+int tuner_type_channel_default(ePtr<iDVBChannelList> &channellist, const eDVBChannelID &chid, int &system)
 {
+       system = iDVBFrontend::feSatellite;
        if (channellist)
        {
                ePtr<iDVBFrontendParameters> feparm;
                if (!channellist->getChannelFrontendData(chid, feparm))
                {
-                       int system;
                        if (!feparm->getSystem(system))
                        {
-                               switch(system)
+                               switch (system)
                                {
                                        case iDVBFrontend::feSatellite:
                                                return 50000;
@@ -757,15 +851,16 @@ int tuner_type_channel_default(ePtr<iDVBChannelList> &channellist, const eDVBCha
        return 0;
 }
 
-int eDVBResourceManager::canAllocateChannel(const eDVBChannelID &channelid, const eDVBChannelID& ignore, bool simulate)
+int eDVBResourceManager::canAllocateChannel(const eDVBChannelID &channelid, const eDVBChannelID& ignore, int &system, bool simulate)
 {
        std::list<active_channel> &active_channels = simulate ? m_active_simulate_channels : m_active_channels;
-       int ret=0;
+       int ret = 0;
+       system = iDVBFrontend::feSatellite;
        if (!simulate && m_cached_channel)
        {
                eDVBChannel *cache_chan = (eDVBChannel*)&(*m_cached_channel);
                if(channelid==cache_chan->getChannelID())
-                       return tuner_type_channel_default(m_list, channelid);
+                       return tuner_type_channel_default(m_list, channelid, system);
        }
 
                /* first, check if a channel is already existing. */
@@ -776,7 +871,7 @@ int eDVBResourceManager::canAllocateChannel(const eDVBChannelID &channelid, cons
                if (i->m_channel_id == channelid)
                {
 //                     eDebug("found shared channel..");
-                       return tuner_type_channel_default(m_list, channelid);
+                       return tuner_type_channel_default(m_list, channelid, system);
                }
        }
 
@@ -856,6 +951,7 @@ int eDVBResourceManager::canAllocateChannel(const eDVBChannelID &channelid, cons
                eDebug("channel not found!");
                goto error;
        }
+       feparm->getSystem(system);
 
        ret = canAllocateFrontend(feparm, simulate);
 
@@ -974,7 +1070,7 @@ int eDVBChannelFilePush::filterRecordData(const unsigned char *_data, int len, s
        }
 #endif
 
-#if 1 /* not yet */
+#if 0
        if (!m_iframe_search)
                return len;
 
@@ -990,9 +1086,9 @@ int eDVBChannelFilePush::filterRecordData(const unsigned char *_data, int len, s
                unsigned char *ts = data + ts_offset;
                int pid = ((ts[1] << 8) | ts[2]) & 0x1FFF;
 
-               if ((d[3] == 0) && (m_pid == pid))  /* picture start */
+               if ((d[3] == 0 || d[3] == 0x09 && d[-1] == 0 && (ts[1] & 0x40)) && (m_pid == pid))  /* picture start */
                {
-                       int picture_type = (d[5] >> 3) & 7;
+                       int picture_type = (d[3]==0 ? (d[5] >> 3) & 7 : (d[4] >> 5) + 1);
                        d += 4;
 
 //                     eDebug("%d-frame at %d, offset in TS packet: %d, pid=%04x", picture_type, offset, offset % 188, pid);
@@ -1026,26 +1122,30 @@ int eDVBChannelFilePush::filterRecordData(const unsigned char *_data, int len, s
 
                                        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)
+                               /* verify that this is actually a PES header, not just some ES data */
+                       if (ts[1] & 0x40) /* PUSI set */
                        {
-                               eDebug("now locked to pid %04x", pid);
-                               m_pid = pid;
+                               int payload_start = 4;
+                               if (ts[3] & 0x20) /* adaptation field present */
+                                       payload_start += ts[4] + 1; /* skip AF */
+                               if (payload_start == (offset%188)) /* the 00 00 01 should be directly at the payload start, otherwise it's not a PES header */
+                               {
+                                       if (m_pid != pid)
+                                       {
+                                               eDebug("now locked to pid %04x (%02x %02x %02x %02x)", pid, ts[0], ts[1], ts[2], ts[3]);
+                                               m_pid = pid;
+                                       }
+                               }
                        }
 //                     m_pid = 0x6e;
                        d += 4;
                } else
                        d += 4; /* ignore */
-
        }
 
        if (m_iframe_state == 1)
@@ -1064,8 +1164,9 @@ eDVBChannel::eDVBChannel(eDVBResourceManager *mgr, eDVBAllocatedFrontend *fronte
        m_frontend = frontend;
 
        m_pvr_thread = 0;
+       m_pvr_fd_dst = -1;
 
-       m_skipmode_n = m_skipmode_m = 0;
+       m_skipmode_n = m_skipmode_m = m_skipmode_frames = 0;
 
        if (m_frontend)
                m_frontend->get().connectStateChange(slot(*this, &eDVBChannel::frontendStateChanged), m_conn_frontendStateChanged);
@@ -1114,8 +1215,22 @@ void eDVBChannel::frontendStateChanged(iDVBFrontend*fe)
                }
        } else if (state == iDVBFrontend::stateFailed)
        {
+#ifdef BUILD_VUPLUS
+               if (m_current_frontend_parameters)
+               {
+                       eDebug("OURSTATE: lost lock, trying to retune");
+                       ourstate = state_tuning;
+                       m_frontend->get().tune(*m_current_frontend_parameters);
+               } 
+               else
+               {
+                       eDebug("OURSTATE: failed");
+                       ourstate = state_failed;
+               }
+#else
                eDebug("OURSTATE: failed");
                ourstate = state_failed;
+#endif         
        } else
                eFatal("state unknown");
 
@@ -1166,6 +1281,8 @@ void eDVBChannel::cueSheetEvent(int event)
                                                /* 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;
+                               m_skipmode_frames = m_cue->m_skipmode_ratio / 90000;
+                               m_skipmode_frames_remainder = 0;
 
                                if (m_cue->m_skipmode_ratio < 0)
                                        m_skipmode_m -= m_skipmode_n;
@@ -1175,12 +1292,12 @@ void eDVBChannel::cueSheetEvent(int event)
                                if (abs(m_skipmode_m) < abs(m_skipmode_n))
                                {
                                        eWarning("something is wrong with this calculation");
-                                       m_skipmode_n = m_skipmode_m = 0;
+                                       m_skipmode_frames = m_skipmode_n = m_skipmode_m = 0;
                                }
                        } else
                        {
                                eDebug("skipmode ratio is 0, normal play");
-                               m_skipmode_n = m_skipmode_m = 0;
+                               m_skipmode_frames = m_skipmode_n = m_skipmode_m = 0;
                        }
                }
                m_pvr_thread->setIFrameSearch(m_skipmode_n != 0);
@@ -1200,7 +1317,7 @@ void eDVBChannel::cueSheetEvent(int event)
                {
                        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))
+                       if (m_tstools.getOffset(offset_in, pts_in, -1) || m_tstools.getOffset(offset_out, pts_out, 1))
                        {
                                eDebug("span translation failed.\n");
                                continue;
@@ -1229,6 +1346,24 @@ static inline long long align(long long x, int align)
        return x;
 }
 
+       /* align toward zero */
+static inline long long align_with_len(long long x, int align, size_t &len)
+{
+       int sign = x < 0;
+
+       if (sign)
+               x = -x;
+
+       int r = x % align;
+       x -= r;
+       len += r;
+
+       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)
 {
@@ -1244,25 +1379,62 @@ void eDVBChannel::getNextSourceSpan(off_t current_offset, size_t bytes_read, off
                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);
+               eDebug("skipmode %d:%d (x%d)", m_skipmode_m, m_skipmode_n, m_skipmode_frames);
                max = align(m_skipmode_n, blocksize);
        }
 
-       eDebug("getNextSourceSpan, current offset is %08llx, m_skipmode_m = %d!", current_offset, m_skipmode_m);
+       eDebug("getNextSourceSpan, current offset is %08lld, m_skipmode_m = %d!", current_offset, m_skipmode_m);
+       int frame_skip_success = 0;
 
-       current_offset += align(m_skipmode_m, blocksize);
+       if (m_skipmode_m)
+       {
+               int frames_to_skip = m_skipmode_frames + m_skipmode_frames_remainder;
+               eDebug("we are at %lld, and we try to skip %d+%d frames from here", current_offset, m_skipmode_frames, m_skipmode_frames_remainder);
+               size_t iframe_len;
+               off_t iframe_start = current_offset;
+               int frames_skipped = frames_to_skip;
+               if (!m_tstools.findNextPicture(iframe_start, iframe_len, frames_skipped))
+               {
+                       m_skipmode_frames_remainder = frames_to_skip - frames_skipped;
+                       eDebug("successfully skipped %d (out of %d, rem now %d) frames.", frames_skipped, frames_to_skip, m_skipmode_frames_remainder);
+                       current_offset = align_with_len(iframe_start, blocksize, iframe_len);
+                       max = align(iframe_len + 187, blocksize);
+                       frame_skip_success = 1;
+               } else
+               {
+                       m_skipmode_frames_remainder = 0;
+                       eDebug("frame skipping failed, reverting to byte-skipping");
+               }
+       }
+       
+       if (!frame_skip_success)
+       {
+               current_offset += align(m_skipmode_m, blocksize);
+               if(current_offset < 0)
+                       current_offset = 0;
+               else
+               {
+                       if (m_skipmode_m)
+                       {
+                               eDebug("we are at %lld, and we try to find the iframe here:", current_offset);
+                               size_t iframe_len;
+                               off_t start_offset = current_offset;
+                               off_t new_offset = start_offset;
+                               int direction = (m_skipmode_m < 0) ? -1 : +1;
+                               if (m_tstools.findFrame(start_offset, new_offset, iframe_len, direction))
+                                       eDebug("failed");
+                               else
+                               {
+                                       current_offset = align_with_len(new_offset, blocksize, iframe_len);
+                                       max = align(iframe_len, blocksize);
+                               }
+                       }
+               }
+       }
+
+       m_cue->m_lock.RdLock();
 
        while (!m_cue->m_seek_requests.empty())
        {
@@ -1288,6 +1460,13 @@ void eDVBChannel::getNextSourceSpan(off_t current_offset, size_t bytes_read, off
                                eDebug("decoder getPTS failed, can't seek relative");
                                continue;
                        }
+                       if (!m_cue->m_decoding_demux)
+                       {
+                               eDebug("getNextSourceSpan, no decoding demux. couldn't seek to %llx... ignore request!", pts);
+                               start = current_offset;
+                               size = max;
+                               continue;
+                       }
                        if (getCurrentPosition(m_cue->m_decoding_demux, now, 1))
                        {
                                eDebug("seekTo: getCurrentPosition failed!");
@@ -1328,18 +1507,18 @@ void eDVBChannel::getNextSourceSpan(off_t current_offset, size_t bytes_read, off
                                eDebug("AP relative seeking failed!");
                        } else
                        {
-                               eDebug("next ap is %llx\n", pts);
                                pts = nextap;
+                               eDebug("next ap is %llx\n", pts);
                        }
                }
 
                off_t offset = 0;
-               if (m_tstools.getOffset(offset, pts))
+               if (m_tstools.getOffset(offset, pts, -1))
                {
                        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 */
        }
@@ -1359,7 +1538,7 @@ void eDVBChannel::getNextSourceSpan(off_t current_offset, size_t bytes_read, off
                                size = max;
                        else
                                size = aligned_end - current_offset;
-                       eDebug("HIT, %lld < %lld < %lld, size: %d", i->first, current_offset, i->second, size);
+                       eDebug("HIT, %lld < %lld < %lld, size: %zd", i->first, current_offset, i->second, size);
                        return;
                }
                if (current_offset < aligned_start)
@@ -1400,25 +1579,32 @@ void eDVBChannel::getNextSourceSpan(off_t current_offset, size_t bytes_read, off
                                        len = aligned_end - aligned_start;
 
                                start = aligned_end - len;
-                               eDebug("skipping to %llx, %d", start, len);
+                               eDebug("skipping to %llx, %zd", start, len);
                        }
 
-                       eDebug("result: %llx, %x (%llx %llx)", start, size, aligned_start, aligned_end);
+                       eDebug("result: %llx, %zx (%llx %llx)", start, size, aligned_start, aligned_end);
                        return;
                }
        }
 
+       if(current_offset <0)
+               current_offset =0;
        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);
+       if (m_source_span.empty())
+       {
+               start = current_offset;
+               size = max;
+               eDebug("NO CUESHEET. (%08lld, %zd)", start, size);
+       } else
+       {
+               start = current_offset;
+               size = 0;
+       }
        return;
 }
 
@@ -1453,14 +1639,15 @@ RESULT eDVBChannel::setChannel(const eDVBChannelID &channelid, ePtr<iDVBFrontend
        if (!channelid)
                return 0;
 
+       m_channel_id = channelid;
+       m_mgr->addChannel(channelid, this);
+
        if (!m_frontend)
        {
-               eDebug("no frontend to tune!");
-               return -ENODEV;
+               /* no frontend, no need to tune (must be a streamed service) */
+               return 0;
        }
 
-       m_channel_id = channelid;
-       m_mgr->addChannel(channelid, this);
        m_state = state_tuning;
                        /* if tuning fails, shutdown the channel immediately. */
        int res;
@@ -1531,6 +1718,18 @@ void eDVBChannel::SDTready(int result)
        m_SDT = 0;
 }
 
+int eDVBChannel::reserveDemux()
+{
+       ePtr<iDVBDemux> dmx;
+       if (!getDemux(dmx, 0))
+       {
+               uint8_t id;
+               if (!dmx->getCADemuxID(id))
+                       return id;
+       }
+       return -1;
+}
+
 RESULT eDVBChannel::requestTsidOnid(ePyObject callback)
 {
        if (PyCallable_Check(callback))
@@ -1559,23 +1758,36 @@ RESULT eDVBChannel::getDemux(ePtr<iDVBDemux> &demux, int cap)
 {
        ePtr<eDVBAllocatedDemux> &our_demux = (cap & capDecode) ? m_decoder_demux : m_demux;
 
+       if (m_frontend == NULL)
+       {
+               /* in dvr mode, we have to stick to a single demux (the one connected to our dvr device) */
+               our_demux = m_decoder_demux ? m_decoder_demux : m_demux;
+       }
+
        if (!our_demux)
        {
                demux = 0;
 
                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;
 }
 
@@ -1598,6 +1810,20 @@ RESULT eDVBChannel::getCurrentFrontendParameters(ePtr<iDVBFrontendParameters> &p
 
 RESULT eDVBChannel::playFile(const char *file)
 {
+       eRawFile *f = new eRawFile();
+       ePtr<iTsSource> source = f;
+
+       if (f->open(file) < 0)
+       {
+               eDebug("can't open PVR file %s (%m)", file);
+               return -ENOENT;
+       }
+
+       return playSource(source, file);
+}
+
+RESULT eDVBChannel::playSource(ePtr<iTsSource> &source, const char *streaminfo_file)
+{
        ASSERT(!m_frontend);
        if (m_pvr_thread)
        {
@@ -1606,35 +1832,55 @@ RESULT eDVBChannel::playFile(const char *file)
                m_pvr_thread = 0;
        }
 
-       m_tstools.openFile(file);
+       if (!source->valid() && !source->isStream())
+       {
+               eDebug("PVR source is not valid!");
+               return -ENOENT;
+       }
+
+       m_tstools.setSource(source, streaminfo_file);
 
                /* DON'T EVEN THINK ABOUT FIXING THIS. FIX THE ATI SOURCES FIRST,
                   THEN DO A REAL FIX HERE! */
 
+       if (m_pvr_fd_dst < 0)
+       {
                /* (this codepath needs to be improved anyway.) */
 #if HAVE_DVB_API_VERSION < 3
-       m_pvr_fd_dst = open("/dev/pvr", O_WRONLY);
+               m_pvr_fd_dst = open("/dev/pvr", O_WRONLY);
+               if (m_pvr_fd_dst < 0)
+               {
+                       eDebug("can't open /dev/pvr - you need to buy the new(!) $$$ box! (%m)"); // or wait for the driver to be improved.
+                       return -ENODEV;
+               }
 #else
-       m_pvr_fd_dst = open("/dev/misc/pvr", O_WRONLY);
+               ePtr<eDVBAllocatedDemux> &demux = m_demux ? m_demux : m_decoder_demux;
+               if (demux)
+               {
+                       m_pvr_fd_dst = demux->get().openDVR(O_WRONLY);
+                       if (m_pvr_fd_dst < 0)
+                       {
+                               eDebug("can't open /dev/dvb/adapterX/dvrX - you need to buy the new(!) $$$ box! (%m)"); // or wait for the driver to be improved.
+                               return -ENODEV;
+                       }
+               }
+               else
+               {
+                       eDebug("no demux allocated yet.. so its not possible to open the dvr device!!");
+                       return -ENODEV;
+               }
 #endif
-       if (m_pvr_fd_dst < 0)
-       {
-               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_thread = new eDVBChannelFilePush();
        m_pvr_thread->enablePVRCommit(1);
-       m_pvr_thread->setStreamMode(1);
+       /* If the source specifies a length, it's a file. If not, it's a stream */
+       m_pvr_thread->setStreamMode(source->isStream());
        m_pvr_thread->setScatterGather(this);
 
-       if (m_pvr_thread->start(file, m_pvr_fd_dst))
-       {
-               delete m_pvr_thread;
-               m_pvr_thread = 0;
-               eDebug("can't open PVR file %s (%m)", file);
-               return -ENOENT;
-       }
+       m_event(this, evtPreStart);
+
+       m_pvr_thread->start(source, m_pvr_fd_dst);
        CONNECT(m_pvr_thread->m_event, eDVBChannel::pvrEvent);
 
        m_state = state_ok;
@@ -1643,15 +1889,23 @@ RESULT eDVBChannel::playFile(const char *file)
        return 0;
 }
 
-void eDVBChannel::stopFile()
+void eDVBChannel::stopSource()
 {
        if (m_pvr_thread)
        {
                m_pvr_thread->stop();
-               ::close(m_pvr_fd_dst);
                delete m_pvr_thread;
                m_pvr_thread = 0;
        }
+       if (m_pvr_fd_dst >= 0)
+               ::close(m_pvr_fd_dst);
+       ePtr<iTsSource> d;
+       m_tstools.setSource(d);
+}
+
+void eDVBChannel::stopFile()
+{
+       stopSource();
 }
 
 void eDVBChannel::setCueSheet(eCueSheet *cuesheet)
@@ -1752,7 +2006,7 @@ void eCueSheet::clear()
 
 void eCueSheet::addSourceSpan(const pts_t &begin, const pts_t &end)
 {
-       assert(begin < end);
+       ASSERT(begin < end);
        m_lock.WrLock();
        m_spans.push_back(std::pair<pts_t, pts_t>(begin, end));
        m_lock.Unlock();