partitioning_systems/session/Disc.cpp

33 DBG(static const char* kModuleDebugName = "session");
95 /*! \brief Keeps track of session information.
97 struct session : public list_item {
99 	session(uint32 index, session* next = NULL);
210 		TRACE(("  session  = %d\n", entries[i].session));
446 //	#pragma mark - session
449 /*! \brief Creates an unitialized session object
451 session::session(uint32 index, session* next)
467 session::first_track_hint_is_set()
477 session::last_track_hint_is_set()
491 session::end_lba_is_set()
497 /*! \brief Returns true if the session is flagged as being audio.
499 	If the \c control value for the session has not been set, returns
503 session::is_audio()
530 	int32 session = index+1;
531 		// Check for a valid session index
532 		if (session < 1 || session > 99)
594 /*! \brief Stores the info for the given session (using 0 based indicies) in the
597 	Returns \c B_ENTRY_NOT_FOUND if no such session exists.
604 	for (session* session = (struct session*)fSessionList->First(); session;
605 			session = (struct session*)session->next) {
606 		if (session->is_audio()) {
608 				// only one session per audio session
610 				// Found an audio session. Take the start of the first
611 				// track with the end of session.
612 				track* track = (struct track*)session->track_list.First();
614 					PRINT(("found session #%" B_PRId32 " info (audio session)"
618 					off_t endLBA = session->end_lba;
632 					PRINT(("Error: session #%" B_PRId32 " is an audio session "
638 			for (track* track = (struct track*)session->track_list.First();
642 					PRINT(("found session #%" B_PRId32 " info (data session)\n",
655 						: session->end_lba;
673 	PRINT(("no session #%" B_PRId32 " found!\n", index));
684 	session* session = (struct session*)fSessionList->First();
685 	while (session != NULL) {
686 		TRACE(("session %" B_PRId32 ":\n", session->index));
687 		TRACE(("  first track hint: %d\n", session->first_track_hint));
688 		TRACE(("  last track hint:  %d\n", session->last_track_hint));
689 		TRACE(("  end_lba:          %" B_PRId64 "\n", session->end_lba));
690 		TRACE(("  control:          %d (%s session, copy %s)\n",
691 			session->control, (session->control & kControlDataTrack
693 			(session->control & kControlCopyPermitted
695 		TRACE(("  adr:              %d\n", session->adr));
696 		track* track = (struct track*)session->track_list.First();
702 		session = (struct session*)session->next;
708 	inserts them as a new data session.
718 	// Make sure TOC has only one session and that it is audio.
733 	TRACE(("%s: Single audio session, checking for data track\n",
741 				// Create a new endLBA point for session one.
746 				// the end of our new session.
757 				// Change the other points to session two.
759 					entries[j].session = 2;
761 				entries[i].session = 1;
768 				// Change the track to session two.
769 				entries[i].session = 2;
771 				// Create a new endLBA point for session two.
773 				entries[count].session = 2;
777 				// end of the previous session.
803 		// Find or create the appropriate session
804 		uint8 sessionIndex = entries[i].session;
805 		session* session = (struct session*)fSessionList->Find(sessionIndex);
806 		if (session == NULL) {
807 			session = new struct session(sessionIndex);
808 			if (session == NULL)
811 			fSessionList->Add(session);
819 				if (!session->first_track_hint_is_set()) {
822 						session->first_track_hint = firstTrackHint;
825 							"for session %d\n", kModuleDebugName,
830 						"found for session %d; using first value "
832 						session->first_track_hint));
838 				if (!session->last_track_hint_is_set()) {
841 						session->last_track_hint = lastTrackHint;
844 							"for session %d\n", kModuleDebugName,
849 						"for session %d; using first value encountered: %d",
851 						session->last_track_hint));
855 			// end of session address
857 				if (!session->end_lba_is_set()) {
862 						session->end_lba = endLBA;
863 						// We also grab the session's control and adr values
865 						session->control = entries[i].control;
866 						session->adr = entries[i].adr;
869 							" for session %d\n", kModuleDebugName, endLBA,
874 						"session %d; using first value encountered: %" B_PRId64,
875 						kModuleDebugName, sessionIndex, session->end_lba));
901 					// corresponding values of the parent session.
907 					session->track_list.Add(track);
919 /*! \brief Bubble sorts the session list and each session's track lists,
927 	session* session = (struct session*)fSessionList->First();
928 	while (session != NULL) {
929 		session->track_list.SortAndRemoveDuplicates();
930 		session = (struct session*)session->next;
949 	  numbering does not restart with each session).
951 	  parent session
955 	  that do not match the values for their session; Ingo's copy
965 	for (session* session = (struct session*)fSessionList->First(); session;
966 			session = (struct session*)session->next) {
970 		if (!session->end_lba_is_set()) {
972 				"session address for session #%" B_PRId32 "\n",
973 				kModuleDebugName, session->index));
978 		track* track = (struct track*)session->track_list.First();
980 			TRACE(("%s: Disc::_CheckForErrorsAndWarnings: error: session #%"
981 				B_PRId32 "has no tracks\n", kModuleDebugName, session->index));
988 		if (session->first_track_hint_is_set()
989 			&& session->first_track_hint != track->index) {
990 			TRACE(("%s: Disc::_CheckForErrorsAndWarnings: warning: session "
993 				session->index, session->first_track_hint, track->index));
997 		struct track* last = (struct track*)session->track_list.Last();
998 		if (session->last_track_hint_is_set() && last
999 			&& session->last_track_hint != last->index) {
1000 			TRACE(("%s: Disc::_CheckForErrorsAndWarnings: warning: session "
1003 				session->index, session->last_track_hint, last->index));
1006 		// invalid session sequence
1007 		if (lastSessionIndex + 1 != session->index) {
1009 				"session #%" B_PRId32 " is out of sequence (should have been #%"
1010 				B_PRId32 ")\n",	kModuleDebugName, session->index,
1013 		lastSessionIndex = session->index;
1026 			if (track->control != session->control) {
1029 					"match control for parent session #%" B_PRId32 " (%d, %s "
1030 					"session, copy %s)\n", kModuleDebugName, track->index,
1035 					session->index, session->control,
1036 					(session->control & kControlDataTrack ? "data" : "audio"),
1037 					(session->control & kControlCopyPermitted
1042 			if (track->adr != session->adr) {
1045 					"for parent session #%" B_PRId32 " (adr = %d)\n",
1046 					kModuleDebugName, track->index, track->adr, session->index,
1047 					session->adr));