/[svn]/linuxsampler/trunk/src/engines/EngineChannelFactory.h
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Contents of /linuxsampler/trunk/src/engines/EngineChannelFactory.h

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Revision 2324 - (show annotations) (download) (as text)
Sun Mar 4 09:01:32 2012 UTC (12 years ago) by persson
File MIME type: text/x-c++hdr
File size: 3133 byte(s)
* plugin bugfix: instrument loading hang when the plugin was loaded a
  second time (this time it's for Linux and Mac, previous similar fix
  was for Windows)
* thread safety fixes for the instrument loading thread
* MME driver: removed compiler warning
* LV2: fixed invalid realtime statement in plugin metadata

1 /***************************************************************************
2 * *
3 * Copyright (C) 2005 - 2012 Christian Schoenebeck *
4 * *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
9 * *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
14 * *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the Free Software *
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
18 * MA 02111-1307 USA *
19 ***************************************************************************/
20
21 #ifndef __LS_ENGINECHANNELFACTORY_H__
22 #define __LS_ENGINECHANNELFACTORY_H__
23
24 #include <set>
25
26 #include "EngineChannel.h"
27
28 namespace LinuxSampler {
29
30 /** @brief Manages EngineChannel instances.
31 *
32 * This class is used to create and destroy EngineChannel instances of the
33 * various engine types supported by this sampler. It's basically used to
34 * avoid dependencies to palpable sampler engine types /
35 * implementations.
36 */
37 class EngineChannelFactory {
38 public:
39 /**
40 * Create EngineChannel instance of given engine type.
41 *
42 * @see EngineFactory::AvailableEngineTypes()
43 */
44 static EngineChannel* Create(String EngineType) throw (Exception);
45
46 /**
47 * Destroy given EngineChannel instance.
48 */
49 static void Destroy(EngineChannel* pEngineChannel);
50
51 /**
52 * Returns all EngineChannel instances.
53 */
54 static const std::set<EngineChannel*>& EngineChannelInstances();
55
56 /**
57 * Specifies whether the deallocation of the specified EngineChannel
58 * object should be postponed. When the object deletion is diabled
59 * it is not freed from memory (when destroyed) until it is enabled.
60 * Used to prevent orphaned pointers.
61 */
62 static void SetDeleteEnabled(const EngineChannel* pEngineChannel, bool enable);
63
64 static Mutex EngineChannelsMutex;
65
66 private:
67 static Mutex LockedChannelsMutex;
68 };
69
70 } // namespace LinuxSampler
71
72 #endif // __LS_ENGINECHANNELFACTORY_H__

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