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SoVRMLAudioClip.h

00001 /**************************************************************************\
00002  *
00003  *  This file is part of the Coin 3D visualization library.
00004  *  Copyright (C) 1998-2007 by Systems in Motion.  All rights reserved.
00005  *
00006  *  This library is free software; you can redistribute it and/or
00007  *  modify it under the terms of the GNU General Public License
00008  *  ("GPL") version 2 as published by the Free Software Foundation.
00009  *  See the file LICENSE.GPL at the root directory of this source
00010  *  distribution for additional information about the GNU GPL.
00011  *
00012  *  For using Coin with software that can not be combined with the GNU
00013  *  GPL, and for taking advantage of the additional benefits of our
00014  *  support services, please contact Systems in Motion about acquiring
00015  *  a Coin Professional Edition License.
00016  *
00017  *  See http://www.coin3d.org/ for more information.
00018  *
00019  *  Systems in Motion, Postboks 1283, Pirsenteret, 7462 Trondheim, NORWAY.
00020  *  http://www.sim.no/  sales@sim.no  coin-support@coin3d.org
00021  *
00022 \**************************************************************************/
00023 
00024 #ifndef COIN_SOVRMLAUDIOCLIP_H
00025 #define COIN_SOVRMLAUDIOCLIP_H
00026 
00027 #include <Inventor/nodes/SoSubNode.h>
00028 #include <Inventor/nodes/SoNode.h>
00029 #include <Inventor/fields/SoSFString.h>
00030 #include <Inventor/fields/SoMFString.h>
00031 #include <Inventor/fields/SoSFBool.h>
00032 #include <Inventor/fields/SoSFFloat.h>
00033 #include <Inventor/fields/SoSFTime.h>
00034 #include <Inventor/lists/SbStringList.h>
00035 #include <Inventor/SbTime.h>
00036 
00037 class SoVRMLAudioClipP;
00038 
00039 class COIN_DLL_API SoVRMLAudioClip : public SoNode
00040 {
00041   typedef SoNode inherited;
00042   SO_NODE_HEADER(SoVRMLAudioClip);
00043 
00044 public:
00045   typedef void *open_func(const SbStringList &url, 
00046                             SoVRMLAudioClip *clip, void *userdataptr);
00047   typedef size_t read_func(void *datasource, 
00048                              void *buffer, int numframes, int &channels,
00049                              SoVRMLAudioClip *clip, void *userdataptr);
00050   typedef int seek_func(void *datasource, long offset, int whence,
00051                           SoVRMLAudioClip *clip, void *userdataptr);
00052   typedef long tell_func(void *datasource,
00053                          SoVRMLAudioClip *clip, void *userdataptr);
00054   typedef int close_func(void *datasource,
00055                          SoVRMLAudioClip *clip, void *userdataptr);
00056   
00057   static void initClass(void);
00058   SoVRMLAudioClip(void);
00059 
00060   SoSFString description;
00061   SoSFBool loop;
00062   SoSFFloat pitch;
00063   SoSFTime startTime;
00064   SoSFTime stopTime;
00065   SoMFString url;
00066 
00067   static void  setSubdirectories(const SbList<SbString> &subdirectories);
00068   static const SbStringList & getSubdirectories();
00069   static void setDefaultPauseBetweenTracks(SbTime pause);
00070   static SbTime getDefaultPauseBetweenTracks();
00071   static void setDefaultIntroPause(SbTime pause);
00072   static SbTime getDefaultIntroPause();
00073   static void setDefaultSampleRate(int samplerate);
00074   static int getDefaultSampleRate();
00075   static void setDefaultTimerInterval(SbTime interval);
00076   static SbTime getDefaultTimerInterval();
00077 
00078   int getSampleRate();
00079 
00080   void * open(const SbStringList &url);
00081   size_t read(void *datasource, void *buffer, int numframes, int &channels);
00082   int    seek(void *datasource, long offset, int whence);
00083   long   tell(void *datasource);
00084   int    close(void *datasource);
00085 
00086   void setCallbacks(open_func *opencb, read_func *readcb, seek_func *seekcb,
00087                     tell_func *tellcb, close_func *closecb, void *userdataptr);
00088 
00089 protected:
00090   virtual ~SoVRMLAudioClip();
00091   SoSFTime duration_changed; // eventOut
00092   SoSFBool isActive;         // eventOut
00093 
00094 private:
00095   SoVRMLAudioClipP *pimpl;
00096   friend class SoVRMLAudioClipP;
00097 };
00098 
00099 #endif // ! COIN_SOVRMLAUDIOCLIP_H

Copyright © 1998-2007 by Systems in Motion AS. All rights reserved.

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