csplugincommon/sndsys/snddata.h Source File (Crystal Space 2.0 Public API Reference)

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csplugincommon/sndsys/snddata.h

    00001 /*
    00002     Copyright (C) 2006 by Andrew Mann
    00003
    00004     This library is free software; you can redistribute it and/or
    00005     modify it under the terms of the GNU General Public
    00006     License as published by the Free Software Foundation; either
    00007     version 2 of the License, or (at your option) any later version.
    00008
    00009     This library is distributed in the hope that it will be useful,
    00010     but WITHOUT ANY WARRANTY; without even the implied warranty of
    00011     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    00012     General Public License for more details.
    00013
    00014     You should have received a copy of the GNU General Public
    00015     License along with this library; if not, write to the Free
    00016     Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
    00017 */
    00018
    00019
    00020 #ifndef SNDDATA_H
    00021 #define SNDDATA_H
    00022
    00023 #include "iutil/databuff.h"
    00024 #include "isndsys/ss_structs.h"
    00025 #include "isndsys/ss_data.h"
    00026 #include "csutil/scf_implementation.h"
    00027
    00028 namespace CS
    00029 {
    00030   namespace SndSys
    00031   {
    00032
    00033
    00034   class CS_CRYSTALSPACE_EXPORT SndSysBasicData :
    00035     public scfImplementation1<SndSysBasicData, iSndSysData>
    00036   {
    00037   public:
    00038     SndSysBasicData(iBase *pParent);
    00039     virtual ~SndSysBasicData();
    00040
    00042     // Internal functions
    00044   protected:
    00045
    00048     //    This is only called the first time that SoundFormat or SampleCount
    00049     //    data is requested.
    00050     virtual void Initialize() = 0;
    00051
    00052
    00054     // Interface implementation
    00056
    00057     //------------------------
    00058     // iSndSysData
    00059     //------------------------
    00060   public:
    00062     virtual const csSndSysSoundFormat *GetFormat();
    00063
    00065     virtual size_t GetFrameCount();
    00066
    00075     virtual size_t GetDataSize() = 0;
    00076
    00081     virtual iSndSysStream *CreateStream (csSndSysSoundFormat *pRenderFormat, int Mode3D) = 0;
    00082
    00084     //   A filename isn't a bad idea!
    00085     virtual void SetDescription (const char *pDescription);
    00086
    00088     //   This may return 0 if no description is set.
    00089     virtual const char *GetDescription() { return m_pDescription; }
    00090
    00092     //  Member variables
    00094   protected:
    00095
    00097     bool m_bInfoReady;
    00098
    00100     //    Currently this is the default format that the ogg vorbis library
    00101     //    returns for a given Ogg audio file.
    00102     csSndSysSoundFormat m_SoundFormat;
    00103
    00105     size_t m_FrameCount;
    00106
    00108     char *m_pDescription;
    00109   };
    00110
    00111
    00112
    00113   }
    00114   // END namespace CS::SndSys
    00115 }
    00116 // END namespace CS
    00117
    00118
    00119 #endif // #ifndef SNDDATA_H
    00120