src/kits/media/FormatManager.h

   1 /*
   2  * Copyright 2004-2009, Haiku, Inc. All rights reserved.
   3  * Distributed under the terms of the MIT license.
   4  *
   5  * Authors:
   6  *              Axel Dörfler
   7  *              Marcus Overhagen
   8  */
   9 #ifndef _FORMAT_MANAGER_H
  10 #define _FORMAT_MANAGER_H
  11
  12
  13 #include <Locker.h>
  14 #include <ObjectList.h>
  15 #include <pthread.h>
  16
  17 #include "MetaFormat.h"
  18
  19
  20 class FormatManager {
  21 public:
  22                                                                 ~FormatManager();
  23
  24                         void                            GetFormats(bigtime_t lastUpdate, BMessage& reply);
  25                         status_t                        MakeFormatFor(
  26                                                                         const media_format_description* descriptions,
  27                                                                         int32 descriptionCount,
  28                                                                         media_format& format, uint32 flags,
  29                                                                         void* _reserved);
  30                         void                            RemoveFormat(const media_format& format);
  31
  32                         static FormatManager* GetInstance();
  33
  34 private:
  35                                                                 FormatManager();
  36                         static void                     CreateInstance();
  37 private:
  38         typedef BPrivate::media::meta_format meta_format;
  39
  40                         BObjectList<meta_format> fList;
  41                         BLocker                         fLock;
  42                         bigtime_t                       fLastUpdate;
  43                         int32                           fNextCodecID;
  44
  45                         static FormatManager* sInstance;
  46                         static pthread_once_t   sInitOnce;
  47 };
  48
  49 #endif // _FORMAT_MANAGER_H