lib/dvb/pmt.cpp: always parse all descriptors .. (some audio streams have a audio_str...
authorghost <andreas.monzner@multimedia-labs.de>
Fri, 10 Jul 2009 09:46:44 +0000 (11:46 +0200)
committerghost <andreas.monzner@multimedia-labs.de>
Fri, 10 Jul 2009 09:47:11 +0000 (11:47 +0200)
lib/dvb/pmt.cpp

index 13ed6b984ffc9659d9f35be07f104907220f7471..8e007f8d5e955ee1247a456eb257474bc1487e2f 100644 (file)
@@ -209,7 +209,7 @@ int eDVBServicePMTHandler::getProgramInfo(struct program &program)
                        {
                                const ProgramMapSection &pmt = **i;
                                program.pcrPid = pmt.getPcrPid();
-                       
+
                                ElementaryStreamInfoConstIterator es;
                                for (es = pmt.getEsInfo()->begin(); es != pmt.getEsInfo()->end(); ++es)
                                {
@@ -283,176 +283,166 @@ int eDVBServicePMTHandler::getProgramInfo(struct program &program)
                                                                desc != (*es)->getDescriptors()->end(); ++desc)
                                                {
                                                        uint8_t tag = (*desc)->getTag();
-                                                       if (!isaudio && !isvideo)
+                                                       /* check descriptors to get the exakt stream type. */
+                                                       switch (tag)
                                                        {
-                                                               /* PES private can contain AC-3, DTS or lots of other stuff.
-                                                                  check descriptors to get the exakt type. */
-                                                               switch (tag)
-                                                               {
-                                                               case AUDIO_STREAM_DESCRIPTOR:
-                                                                       isaudio = 1;
-                                                                       break;
-                                                               case VIDEO_STREAM_DESCRIPTOR:
+                                                       case AUDIO_STREAM_DESCRIPTOR:
+                                                               isaudio = 1;
+                                                               break;
+                                                       case VIDEO_STREAM_DESCRIPTOR:
+                                                       {
+                                                               isvideo = 1;
+                                                               VideoStreamDescriptor *d = (VideoStreamDescriptor*)(*desc);
+                                                               if (d->getMpeg1OnlyFlag())
+                                                                       video.type = videoStream::vtMPEG1;
+                                                               break;
+                                                       }
+                                                       case SUBTITLING_DESCRIPTOR:
+                                                       {
+                                                               SubtitlingDescriptor *d = (SubtitlingDescriptor*)(*desc);
+                                                               const SubtitlingList *list = d->getSubtitlings();
+                                                               subtitleStream s;
+                                                               s.pid = (*es)->getPid();
+                                                               for (SubtitlingConstIterator it(list->begin()); it != list->end(); ++it)
                                                                {
-                                                                       isvideo = 1;
-                                                                       VideoStreamDescriptor *d = (VideoStreamDescriptor*)(*desc);
-                                                                       if (d->getMpeg1OnlyFlag())
-                                                                               video.type = videoStream::vtMPEG1;
-                                                                       break;
+                                                                       s.subtitling_type = (*it)->getSubtitlingType();
+                                                                       switch(s.subtitling_type)
+                                                                       {
+                                                                       case 0x10 ... 0x13:
+                                                                       case 0x20 ... 0x23: // dvb subtitles
+                                                                               break;
+                                                                       default:
+                                                                               eDebug("dvb subtitle %s PID %04x with wrong subtitling type (%02x)... force 0x10!!",
+                                                                                       s.language_code.c_str(), s.pid, s.subtitling_type);
+                                                                               s.subtitling_type = 0x10;
+                                                                               break;
+                                                                       }
+                                                                       s.composition_page_id = (*it)->getCompositionPageId();
+                                                                       s.ancillary_page_id = (*it)->getAncillaryPageId();
+                                                                       s.language_code = (*it)->getIso639LanguageCode();
+//                                                                     eDebug("add dvb subtitle %s PID %04x, type %d, composition page %d, ancillary_page %d",
+//                                                                             s.language_code.c_str(), s.pid, s.subtitling_type, s.composition_page_id, s.ancillary_page_id);
+                                                                       program.subtitleStreams.push_back(s);
                                                                }
-                                                               case SUBTITLING_DESCRIPTOR:
+                                                               break;
+                                                       }
+                                                       case TELETEXT_DESCRIPTOR:
+                                                               if ( program.textPid == -1 || (*es)->getPid() == cached_tpid )
                                                                {
-                                                                       SubtitlingDescriptor *d = (SubtitlingDescriptor*)(*desc);
-                                                                       const SubtitlingList *list = d->getSubtitlings();
                                                                        subtitleStream s;
-                                                                       s.pid = (*es)->getPid();
-                                                                       for (SubtitlingConstIterator it(list->begin()); it != list->end(); ++it)
+                                                                       s.subtitling_type = 0x01; // EBU TELETEXT SUBTITLES
+                                                                       s.pid = program.textPid = (*es)->getPid();
+                                                                       TeletextDescriptor *d = (TeletextDescriptor*)(*desc);
+                                                                       const VbiTeletextList *list = d->getVbiTeletexts();
+                                                                       for (VbiTeletextConstIterator it(list->begin()); it != list->end(); ++it)
                                                                        {
-                                                                               s.subtitling_type = (*it)->getSubtitlingType();
-                                                                               switch(s.subtitling_type)
+                                                                               switch((*it)->getTeletextType())
                                                                                {
-                                                                               case 0x10 ... 0x13:
-                                                                               case 0x20 ... 0x23: // dvb subtitles
-                                                                                       break;
-                                                                               default:
-                                                                                       eDebug("dvb subtitle %s PID %04x with wrong subtitling type (%02x)... force 0x10!!",
-                                                                                               s.language_code.c_str(), s.pid, s.subtitling_type);
-                                                                                       s.subtitling_type = 0x10;
+                                                                               case 0x02: // Teletext subtitle page
+                                                                               case 0x05: // Teletext subtitle page for hearing impaired pepople
+                                                                                       s.language_code = (*it)->getIso639LanguageCode();
+                                                                                       s.teletext_page_number = (*it)->getTeletextPageNumber();
+                                                                                       s.teletext_magazine_number = (*it)->getTeletextMagazineNumber();
+//                                                                                     eDebug("add teletext subtitle %s PID %04x, page number %d, magazine number %d",
+//                                                                                             s.language_code.c_str(), s.pid, s.teletext_page_number, s.teletext_magazine_number);
+                                                                                       program.subtitleStreams.push_back(s);
                                                                                        break;
                                                                                }
-                                                                               s.composition_page_id = (*it)->getCompositionPageId();
-                                                                               s.ancillary_page_id = (*it)->getAncillaryPageId();
-                                                                               s.language_code = (*it)->getIso639LanguageCode();
-//                                                                             eDebug("add dvb subtitle %s PID %04x, type %d, composition page %d, ancillary_page %d",
-//                                                                                     s.language_code.c_str(), s.pid, s.subtitling_type, s.composition_page_id, s.ancillary_page_id);
-                                                                               program.subtitleStreams.push_back(s);
                                                                        }
-                                                                       break;
                                                                }
-                                                               case TELETEXT_DESCRIPTOR:
-                                                                       if ( program.textPid == -1 || (*es)->getPid() == cached_tpid )
-                                                                       {
-                                                                               subtitleStream s;
-                                                                               s.subtitling_type = 0x01; // EBU TELETEXT SUBTITLES
-                                                                               s.pid = program.textPid = (*es)->getPid();
-                                                                               TeletextDescriptor *d = (TeletextDescriptor*)(*desc);
-                                                                               const VbiTeletextList *list = d->getVbiTeletexts();
-                                                                               for (VbiTeletextConstIterator it(list->begin()); it != list->end(); ++it)
-                                                                               {
-                                                                                       switch((*it)->getTeletextType())
-                                                                                       {
-                                                                                       case 0x02: // Teletext subtitle page
-                                                                                       case 0x05: // Teletext subtitle page for hearing impaired pepople
-                                                                                               s.language_code = (*it)->getIso639LanguageCode();
-                                                                                               s.teletext_page_number = (*it)->getTeletextPageNumber();
-                                                                                               s.teletext_magazine_number = (*it)->getTeletextMagazineNumber();
-//                                                                                             eDebug("add teletext subtitle %s PID %04x, page number %d, magazine number %d",
-//                                                                                                     s.language_code.c_str(), s.pid, s.teletext_page_number, s.teletext_magazine_number);
-                                                                                               program.subtitleStreams.push_back(s);
-                                                                                               break;
-                                                                                       }
-                                                                               }
-                                                                       }
+                                                               break;
+                                                       case DTS_DESCRIPTOR:
+                                                               isaudio = 1;
+                                                               audio.type = audioStream::atDTS;
+                                                               break;
+                                                       case 0x2B: // TS_PSI_DT_MPEG2_AAC
+                                                               isaudio = 1;
+                                                               audio.type = audioStream::atAAC; // MPEG2-AAC
+                                                               break;
+                                                       case 0x1C: // TS_PSI_DT_MPEG4_Audio
+                                                       case AAC_DESCRIPTOR:
+                                                               isaudio = 1;
+                                                               audio.type = audioStream::atAACHE; // MPEG4-AAC
+                                                               break;
+                                                       case AC3_DESCRIPTOR:
+                                                               isaudio = 1;
+                                                               audio.type = audioStream::atAC3;
+                                                               break;
+                                                       case REGISTRATION_DESCRIPTOR: /* some services don't have a separate AC3 descriptor */
+                                                       {
+                                                                       /* libdvbsi++ doesn't yet support this descriptor type, so work around. */
+                                                               if ((*desc)->getLength() < 4)
                                                                        break;
-                                                               case DTS_DESCRIPTOR:
+                                                               unsigned char descr[6];
+                                                               (*desc)->writeToBuffer(descr);
+                                                               int format_identifier = (descr[2] << 24) | (descr[3] << 16) | (descr[4] << 8) | (descr[5]);
+                                                               switch (format_identifier)
+                                                               {
+                                                               case 0x44545331 ... 0x44545333: // DTS1/DTS2/DTS3
                                                                        isaudio = 1;
                                                                        audio.type = audioStream::atDTS;
                                                                        break;
-                                                               case 0x2B: // TS_PSI_DT_MPEG2_AAC
+                                                               case 0x41432d33: // == 'AC-3'
                                                                        isaudio = 1;
-                                                                       audio.type = audioStream::atAAC; // MPEG2-AAC
-                                                                       break;
-                                                               case 0x1C: // TS_PSI_DT_MPEG4_Audio
-                                                               case AAC_DESCRIPTOR:
-                                                                       isaudio = 1;
-                                                                       audio.type = audioStream::atAACHE; // MPEG4-AAC
+                                                                       audio.type = audioStream::atAC3;
                                                                        break;
-                                                               case AC3_DESCRIPTOR:
+                                                               case 0x42535344: // == 'BSSD' (LPCM)
                                                                        isaudio = 1;
-                                                                       audio.type = audioStream::atAC3;
+                                                                       audio.type = audioStream::atLPCM;
                                                                        break;
-                                                               case REGISTRATION_DESCRIPTOR: /* some services don't have a separate AC3 descriptor */
-                                                               {
-                                                                               /* libdvbsi++ doesn't yet support this descriptor type, so work around. */
-                                                                       if ((*desc)->getLength() < 4)
-                                                                               break;
-                                                                       unsigned char descr[6];
-                                                                       (*desc)->writeToBuffer(descr);
-                                                                       int format_identifier = (descr[2] << 24) | (descr[3] << 16) | (descr[4] << 8) | (descr[5]);
-                                                                       switch (format_identifier)
+                                                               case 0x56432d31: // == 'VC-1'
+                                                                       if (descr[6] == 0x01) // subdescriptor tag
                                                                        {
-                                                                       case 0x44545331 ... 0x44545333: // DTS1/DTS2/DTS3
-                                                                               isaudio = 1;
-                                                                               audio.type = audioStream::atDTS;
-                                                                               break;
-                                                                       case 0x41432d33: // == 'AC-3'
-                                                                               isaudio = 1;
-                                                                               audio.type = audioStream::atAC3;
-                                                                               break;
-                                                                       case 0x42535344: // == 'BSSD' (LPCM)
-                                                                               isaudio = 1;
-                                                                               audio.type = audioStream::atLPCM;
-                                                                               break;
-                                                                       case 0x56432d31: // == 'VC-1'
-                                                                               if (descr[6] == 0x01) // subdescriptor tag
-                                                                               {
-                                                                                       if (descr[7] >= 0x90) // profile_level
-                                                                                               video.type = videoStream::vtVC1; // advanced profile
-                                                                                       else
-                                                                                               video.type = videoStream::vtVC1_SM; // simple main
-                                                                                       isvideo = 1;
-                                                                               }
-                                                                               break;
-                                                                       default:
-                                                                               break;
+                                                                               if (descr[7] >= 0x90) // profile_level
+                                                                                       video.type = videoStream::vtVC1; // advanced profile
+                                                                               else
+                                                                                       video.type = videoStream::vtVC1_SM; // simple main
+                                                                               isvideo = 1;
                                                                        }
                                                                        break;
-                                                               }
-                                                               case 0x28: // TS_PSI_DT_AVC
-                                                                       isvideo = 1;
-                                                                       video.type = videoStream::vtMPEG4_H264;
-                                                                       break;
-                                                               case 0x1B: // TS_PSI_DT_MPEG4_Video
-                                                                       isvideo = 1;
-                                                                       video.type = videoStream::vtMPEG4_Part2;
-                                                                       break;
                                                                default:
                                                                        break;
                                                                }
+                                                               break;
                                                        }
-                                                       switch (tag)
-                                                       {
-                                                               case ISO_639_LANGUAGE_DESCRIPTOR:
-                                                                       if (!isvideo)
+                                                       case 0x28: // TS_PSI_DT_AVC
+                                                               isvideo = 1;
+                                                               video.type = videoStream::vtMPEG4_H264;
+                                                               break;
+                                                       case 0x1B: // TS_PSI_DT_MPEG4_Video
+                                                               isvideo = 1;
+                                                               video.type = videoStream::vtMPEG4_Part2;
+                                                               break;
+                                                       case ISO_639_LANGUAGE_DESCRIPTOR:
+                                                               if (!isvideo)
+                                                               {
+                                                                       int cnt=0;
+                                                                       const Iso639LanguageList *languages = ((Iso639LanguageDescriptor*)*desc)->getIso639Languages();
+                                                                               /* use last language code */
+                                                                       for (Iso639LanguageConstIterator i(languages->begin()); i != languages->end(); ++i, ++cnt)
                                                                        {
-                                                                               int cnt=0;
-                                                                               const Iso639LanguageList *languages = ((Iso639LanguageDescriptor*)*desc)->getIso639Languages();
-                                                                                       /* use last language code */
-                                                                               for (Iso639LanguageConstIterator i(languages->begin()); i != languages->end(); ++i, ++cnt)
-                                                                               {
-                                                                                       if (cnt == 0)
-                                                                                               audio.language_code = (*i)->getIso639LanguageCode();
-                                                                                       else
-                                                                                               audio.language_code += "/" + (*i)->getIso639LanguageCode();
-                                                                               }
+                                                                               if (cnt == 0)
+                                                                                       audio.language_code = (*i)->getIso639LanguageCode();
+                                                                               else
+                                                                                       audio.language_code += "/" + (*i)->getIso639LanguageCode();
                                                                        }
-                                                                       break;
-                                                               case STREAM_IDENTIFIER_DESCRIPTOR:
-                                                                       audio.component_tag =
-                                                                               video.component_tag =
-                                                                                       ((StreamIdentifierDescriptor*)*desc)->getComponentTag();
-                                                                       break;
-                                                               case CA_DESCRIPTOR:
-                                                               {
-                                                                       CaDescriptor *descr = (CaDescriptor*)(*desc);
-                                                                       program.caids.insert(descr->getCaSystemId());
-                                                                       break;
                                                                }
-                                                               default:
-                                                                       break;
+                                                               break;
+                                                       case STREAM_IDENTIFIER_DESCRIPTOR:
+                                                               audio.component_tag =
+                                                                       video.component_tag =
+                                                                               ((StreamIdentifierDescriptor*)*desc)->getComponentTag();
+                                                               break;
+                                                       case CA_DESCRIPTOR:
+                                                       {
+                                                               CaDescriptor *descr = (CaDescriptor*)(*desc);
+                                                               program.caids.insert(descr->getCaSystemId());
+                                                               break;
+                                                       }
+                                                       default:
+                                                               break;
                                                        }
                                                }
-                                               break;
                                        }
                                        if (isaudio)
                                        {