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# isndsys/ss_filter.h

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    00001 /*
    00002     Copyright (C) 2005 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 Library 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     Library General Public License for more details.
    00013
    00014     You should have received a copy of the GNU Library 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 #ifndef __CS_SNDSYS_FILTER_H__
    00020 #define __CS_SNDSYS_FILTER_H__
    00021
    00026 #include "csutil/scf.h"
    00027 #include "isndsys/ss_structs.h"
    00028
    00032 class csSourceParameters3D;
    00033 class csListenerProperties;
    00034 struct iReporter;
    00035
    00036 struct iSndSysSoftwareFilter3DProperties
    00037 {
    00038   csSoundSample *clean_buffer;
    00039   csSoundSample *work_buffer;
    00040   size_t buffer_samples;
    00041   csSourceParameters3D *source_parameters;
    00042   csListenerProperties *listener_parameters;
    00043   csSndSysSoundFormat *sound_format;
    00044
    00045   float closest_speaker_distance;
    00046   float *speaker_distance;
    00047   float *speaker_direction_cos;
    00048   size_t channel;
    00049 };
    00050
    00051 SCF_VERSION (iSndSysSoftwareFilter3D, 0, 1, 0);
    00052
    00057 struct iSndSysSoftwareFilter3D : public iBase
    00058 {
    00068   virtual void Apply(iSndSysSoftwareFilter3DProperties &properties) = 0;
    00069
    00070   virtual bool AddSubFilter(iSndSysSoftwareFilter3D *filter,
    00071         int chain_idx=0) = 0;
    00072
    00073   virtual iSndSysSoftwareFilter3D *GetSubFilter(int chain_idx=0) = 0;
    00074
    00079   virtual iSndSysSoftwareFilter3D *GetPtr() = 0;
    00080 };
    00081
    00082 SCF_VERSION (iSndSysSoftwareFilterOutput, 0, 1, 0);
    00083
    00087 struct iSndSysSoftwareFilterOutput : public iBase
    00088 {
    00098   virtual void Apply(iSndSysSoftwareFilter3DProperties &properties) = 0;
    00099
    00100   virtual bool AddSubFilter(iSndSysSoftwareFilter3D *filter,
    00101         int chain_idx=0) = 0;
    00102
    00103   virtual iSndSysSoftwareFilter3D *GetSubFilter(int chain_idx=0) = 0;
    00104
    00109   virtual iSndSysSoftwareFilter3D *GetPtr() = 0;
    00110 };
    00111
    00114 #endif // __CS_SNDSYS_FILTER_H__