fix "decode demux mask" and "get section data from demux"
[enigma2.git] / lib / dvb / pmt.cpp
index a5e9be4682ad76d412dae4a851e74f1cbb830ac7..8df61304a87f1803532c4013bdf5c6ae2aa613d8 100644 (file)
@@ -12,7 +12,7 @@
 #include <dvbsi++/stream_identifier_descriptor.h>
 
 eDVBServicePMTHandler::eDVBServicePMTHandler()
-       :m_ca_servicePtr(0)
+       :m_ca_servicePtr(0), m_decode_demux_num(0xFF)
 {
        m_use_decode_demux = 0;
        eDVBResourceManager::getInstance(m_resourceManager);
@@ -25,11 +25,17 @@ eDVBServicePMTHandler::~eDVBServicePMTHandler()
        if (m_ca_servicePtr)
        {
                eDebug("unregister caservice");
-               uint8_t demux_num;
-               m_demux->getCADemuxID(demux_num);
+               int demuxes[2] = {0,0};
+               uint8_t tmp;
+               m_demux->getCADemuxID(tmp);
+               demuxes[0]=tmp;
+               if (m_decode_demux_num != 0xFF)
+                       demuxes[1]=m_decode_demux_num;
+               else
+                       demuxes[1]=demuxes[0];
                ePtr<eTable<ProgramMapSection> > ptr;
                m_PMT.getCurrent(ptr);
-               eDVBCAService::unregister_service(m_reference, demux_num, ptr);
+               eDVBCAService::unregister_service(m_reference, demuxes, ptr);
                eDVBCIInterfaces::getInstance()->removePMTHandler(this);
        }
 }
@@ -89,9 +95,15 @@ void eDVBServicePMTHandler::PMTready(int error)
                {
                        if(!m_ca_servicePtr)   // don't send campmt to camd.socket for playbacked services
                        {
-                               uint8_t demux_num;
-                               m_demux->getCADemuxID(demux_num);
-                               eDVBCAService::register_service(m_reference, demux_num, m_ca_servicePtr);
+                               int demuxes[2] = {0,0};
+                               uint8_t tmp;
+                               m_demux->getCADemuxID(tmp);
+                               demuxes[0]=tmp;
+                               if (m_decode_demux_num != 0xFF)
+                                       demuxes[1]=m_decode_demux_num;
+                               else
+                                       demuxes[1]=demuxes[0];
+                               eDVBCAService::register_service(m_reference, demuxes, m_ca_servicePtr);
                                eDVBCIInterfaces::getInstance()->addPMTHandler(this);
                        }
                        eDVBCIInterfaces::getInstance()->gotPMT(this);
@@ -338,15 +350,20 @@ int eDVBServicePMTHandler::getDataDemux(ePtr<iDVBDemux> &demux)
 
 int eDVBServicePMTHandler::getDecodeDemux(ePtr<iDVBDemux> &demux)
 {
+       int ret=0;
                /* if we're using the decoding demux as data source
                   (for example in pvr playbacks), return that one. */
        if (m_use_decode_demux)
        {
                demux = m_demux;
-               return 0;
+               return ret;
        }
-       
-       return m_channel->getDemux(demux, iDVBChannel::capDecode);
+
+       ret = m_channel->getDemux(demux, iDVBChannel::capDecode);
+       if (!ret)
+               demux->getCADemuxID(m_decode_demux_num);
+
+       return ret;
 }
 
 int eDVBServicePMTHandler::getPVRChannel(ePtr<iDVBPVRChannel> &pvr_channel)
@@ -442,7 +459,7 @@ eDVBCAService::~eDVBCAService()
        ::close(m_sock);
 }
 
-RESULT eDVBCAService::register_service( const eServiceReferenceDVB &ref, int demux_num, eDVBCAService *&caservice )
+RESULT eDVBCAService::register_service( const eServiceReferenceDVB &ref, int demux_nums[2], eDVBCAService *&caservice )
 {
        CAServiceMap::iterator it = exist.find(ref);
        if ( it != exist.end() )
@@ -453,26 +470,31 @@ RESULT eDVBCAService::register_service( const eServiceReferenceDVB &ref, int dem
                caservice->m_service = ref;
                eDebug("[eDVBCAService] new service %s", ref.toString().c_str() );
        }
+
+       int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
+       for (int i=0; i < loops; ++i)
+       {
 // search free demux entry
-       int iter=0, max_demux_slots = sizeof(caservice->m_used_demux);
+               int iter=0, max_demux_slots = sizeof(caservice->m_used_demux);
 
-       while ( iter < max_demux_slots && caservice->m_used_demux[iter] != 0xFF )
-               ++iter;
+               while ( iter < max_demux_slots && caservice->m_used_demux[iter] != 0xFF )
+                       ++iter;
 
-       if ( iter < max_demux_slots )
-       {
-               caservice->m_used_demux[iter] = demux_num & 0xFF;
-               eDebug("[eDVBCAService] add demux %d to slot %d service %s", demux_num, iter, ref.toString().c_str());
-       }
-       else
-       {
-               eDebug("[eDVBCAService] no more demux slots free for service %s!!", ref.toString().c_str());
-               return -1;
+               if ( iter < max_demux_slots )
+               {
+                       caservice->m_used_demux[iter] = demux_nums[i] & 0xFF;
+                       eDebug("[eDVBCAService] add demuxe %d to slot %d service %s", caservice->m_used_demux[iter], iter, ref.toString().c_str());
+               }
+               else
+               {
+                       eDebug("[eDVBCAService] no more demux slots free for service %s!!", ref.toString().c_str());
+                       return -1;
+               }
        }
        return 0;
 }
 
-RESULT eDVBCAService::unregister_service( const eServiceReferenceDVB &ref, int demux_num, eTable<ProgramMapSection> *ptr )
+RESULT eDVBCAService::unregister_service( const eServiceReferenceDVB &ref, int demux_nums[2], eTable<ProgramMapSection> *ptr )
 {
        CAServiceMap::iterator it = exist.find(ref);
        if ( it == exist.end() )
@@ -483,41 +505,45 @@ RESULT eDVBCAService::unregister_service( const eServiceReferenceDVB &ref, int d
        else
        {
                eDVBCAService *caservice = it->second;
-               bool freed = false;
-               int iter = 0,
-                       used_demux_slots = 0,
-                       max_demux_slots = sizeof(caservice->m_used_demux)/sizeof(int);
-               while ( iter < max_demux_slots )
+               int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
+               for (int i=0; i < loops; ++i)
                {
-                       if ( caservice->m_used_demux[iter] != 0xFF )
+                       bool freed = false;
+                       int iter = 0,
+                               used_demux_slots = 0,
+                               max_demux_slots = sizeof(caservice->m_used_demux)/sizeof(int);
+                       while ( iter < max_demux_slots )
                        {
-                               if ( !freed && caservice->m_used_demux[iter] == demux_num )
+                               if ( caservice->m_used_demux[iter] != 0xFF )
                                {
-                                       eDebug("[eDVBCAService] free slot %d demux %d for service %s", iter, caservice->m_used_demux[iter], caservice->m_service.toString().c_str() );
-                                       caservice->m_used_demux[iter] = 0xFF;
-                                       freed=true;
+                                       if ( !freed && caservice->m_used_demux[iter] == demux_nums[i] )
+                                       {
+                                               eDebug("[eDVBCAService] free slot %d demux %d for service %s", iter, caservice->m_used_demux[iter], caservice->m_service.toString().c_str() );
+                                               caservice->m_used_demux[iter] = 0xFF;
+                                               freed=true;
+                                       }
+                                       else
+                                               ++used_demux_slots;
+                               }
+                               ++iter;
+                       }
+                       if (!freed)
+                               eDebug("[eDVBCAService] couldn't free demux slot for demux %d", demux_nums[i]);
+                       if (i || loops == 1)
+                       {
+                               if (!used_demux_slots)  // no more used.. so we remove it
+                               {
+                                       delete it->second;
+                                       exist.erase(it);
                                }
                                else
-                                       ++used_demux_slots;
+                               {
+                                       if (ptr)
+                                               it->second->buildCAPMT(ptr);
+                                       else
+                                               eDebug("[eDVBCAService] can not send updated demux info");
+                               }
                        }
-                       ++iter;
-               }
-               if (!freed)
-               {
-                       eDebug("[eDVBCAService] couldn't free demux slot for demux %d", demux_num);
-                       return -1;
-               }
-               if (!used_demux_slots)  // no more used.. so we remove it
-               {
-                       delete it->second;
-                       exist.erase(it);
-               }
-               else
-               {
-                       if (ptr)
-                               it->second->buildCAPMT(ptr);
-                       else
-                               eDebug("[eDVBCAService] can not send updated demux info");
                }
        }
        return 0;
@@ -548,32 +574,27 @@ void eDVBCAService::buildCAPMT(eTable<ProgramMapSection> *ptr)
                pmt_version = table_spec.version;
 
        uint8_t demux_mask = 0;
-       uint8_t first_demux_num = 0xFF;
+       int data_demux = -1;
 
-#if 1
        int iter=0, max_demux_slots = sizeof(m_used_demux);
        while ( iter < max_demux_slots )
        {
                if ( m_used_demux[iter] != 0xFF )
                {
-                       if ( first_demux_num == 0xFF )
-                               first_demux_num = m_used_demux[iter];
+                       if ( m_used_demux[iter] > data_demux )
+                               data_demux = m_used_demux[iter];
                        demux_mask |= (1 << m_used_demux[iter]);
                }
                ++iter;
        }
-#else
-       demux_mask = 3;
-       first_demux_num = 0;
-#endif
 
-       if ( first_demux_num == 0xFF )
+       if ( data_demux == -1 )
        {
-               eDebug("[eDVBCAService] no demux found for service %s", m_service.toString().c_str() );
+               eDebug("[eDVBCAService] no data demux found for service %s", m_service.toString().c_str() );
                return;
        }
 
-       eDebug("demux %d mask %02x prevhash %08x", first_demux_num, demux_mask, m_prev_build_hash);
+       eDebug("demux %d mask %02x prevhash %08x", data_demux, demux_mask, m_prev_build_hash);
 
        unsigned int build_hash = (pmtpid << 16);
        build_hash |= (demux_mask << 8);
@@ -608,7 +629,7 @@ void eDVBCAService::buildCAPMT(eTable<ProgramMapSection> *ptr)
                tmp[0] = 0x82; // demux
                tmp[1] = 0x02;
                tmp[2] = demux_mask;    // descramble bitmask
-               tmp[3] = first_demux_num; // read section data from demux number
+               tmp[3] = data_demux&0xFF; // read section data from demux number
                capmt.injectDescriptor(tmp, false);
 
                tmp[0] = 0x81; // dvbnamespace