/[svn]/linuxsampler/trunk/src/engines/AbstractEngineChannel.cpp
ViewVC logotype

Diff of /linuxsampler/trunk/src/engines/AbstractEngineChannel.cpp

Parent Directory Parent Directory | Revision Log Revision Log | View Patch Patch

revision 2025 by schoenebeck, Sun Nov 1 18:47:59 2009 UTC revision 2127 by persson, Wed Sep 22 18:59:16 2010 UTC
# Line 3  Line 3 
3   *   LinuxSampler - modular, streaming capable sampler                     *   *   LinuxSampler - modular, streaming capable sampler                     *
4   *                                                                         *   *                                                                         *
5   *   Copyright (C) 2003,2004 by Benno Senoner and Christian Schoenebeck    *   *   Copyright (C) 2003,2004 by Benno Senoner and Christian Schoenebeck    *
6   *   Copyright (C) 2005-2009 Christian Schoenebeck                         *   *   Copyright (C) 2005-2008 Christian Schoenebeck                         *
7   *   Copyright (C) 2009 Grigor Iliev                                       *   *   Copyright (C) 2009-2010 Christian Schoenebeck and Grigor Iliev        *
8   *                                                                         *   *                                                                         *
9   *   This program is free software; you can redistribute it and/or modify  *   *   This program is free software; you can redistribute it and/or modify  *
10   *   it under the terms of the GNU General Public License as published by  *   *   it under the terms of the GNU General Public License as published by  *
# Line 49  namespace LinuxSampler { Line 49  namespace LinuxSampler {
49      }      }
50    
51      AbstractEngineChannel::~AbstractEngineChannel() {      AbstractEngineChannel::~AbstractEngineChannel() {
52                    delete pEventQueue;
53          if (pEventQueue) delete pEventQueue;          DeleteGroupEventLists();
54          RemoveAllFxSends();          RemoveAllFxSends();
55      }      }
56    
# Line 661  namespace LinuxSampler { Line 661  namespace LinuxSampler {
661          if (pEngine) pEngine->Enable();          if (pEngine) pEngine->Enable();
662      }      }
663    
664        /**
665         * Add a group number to the set of key groups. Should be called
666         * when an instrument is loaded to make sure there are event lists
667         * for all key groups.
668         */
669        void AbstractEngineChannel::AddGroup(uint group) {
670            if (group) {
671                std::pair<ActiveKeyGroupMap::iterator, bool> p =
672                    ActiveKeyGroups.insert(ActiveKeyGroupMap::value_type(group, 0));
673                if (p.second) {
674                    // If the engine channel is pending deletion (see bug
675                    // #113), pEngine will be null, so we can't use
676                    // pEngine->pEventPool here. Instead we're using a
677                    // specialized RTList that allows specifying the pool
678                    // later.
679                    (*p.first).second = new LazyList<Event>;
680                }
681            }
682        }
683    
684        /**
685         * Handle key group (a.k.a. exclusive group) conflicts.
686         */
687        void AbstractEngineChannel::HandleKeyGroupConflicts(uint KeyGroup, Pool<Event>::Iterator& itNoteOnEvent) {
688            dmsg(4,("HandelKeyGroupConflicts KeyGroup=%d\n", KeyGroup));
689            if (KeyGroup) {
690                // send a release event to all active voices in the group
691                RTList<Event>::Iterator itEvent = ActiveKeyGroups[KeyGroup]->allocAppend(pEngine->pEventPool);
692                *itEvent = *itNoteOnEvent;
693            }
694        }
695    
696        /**
697         * Empty the lists of group events. Should be called from the
698         * audio thread, after all voices have been rendered.
699         */
700        void AbstractEngineChannel::ClearGroupEventLists() {
701            for (ActiveKeyGroupMap::iterator iter = ActiveKeyGroups.begin();
702                 iter != ActiveKeyGroups.end(); iter++) {
703                if (iter->second) {
704                    iter->second->clear();
705                } else {
706                    dmsg(1,("EngineChannel: group event list was NULL"));
707                }
708            }
709        }
710    
711        /**
712         * Remove all lists with group events.
713         */
714        void AbstractEngineChannel::DeleteGroupEventLists() {
715            for (ActiveKeyGroupMap::iterator iter = ActiveKeyGroups.begin();
716                 iter != ActiveKeyGroups.end(); iter++) {
717                delete iter->second;
718            }
719            ActiveKeyGroups.clear();
720        }
721    
722  } // namespace LinuxSampler  } // namespace LinuxSampler
Legend:
Removed from v.2025  
changed lines
  Added in v.2127
  ViewVC Help
Powered by ViewVC