diff options
Diffstat (limited to 'pjmedia/src/pjmedia-codec/ilbc/filter.h')
-rw-r--r-- | pjmedia/src/pjmedia-codec/ilbc/filter.h | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/pjmedia/src/pjmedia-codec/ilbc/filter.h b/pjmedia/src/pjmedia-codec/ilbc/filter.h deleted file mode 100644 index 4c512cd9..00000000 --- a/pjmedia/src/pjmedia-codec/ilbc/filter.h +++ /dev/null @@ -1,80 +0,0 @@ - - /****************************************************************** - - iLBC Speech Coder ANSI-C Source Code - - filter.h - - Copyright (C) The Internet Society (2004). - All Rights Reserved. - - ******************************************************************/ - - - - - - - #ifndef __iLBC_FILTER_H - #define __iLBC_FILTER_H - - void AllPoleFilter( - float *InOut, /* (i/o) on entrance InOut[-orderCoef] to - InOut[-1] contain the state of the - filter (delayed samples). InOut[0] to - InOut[lengthInOut-1] contain the filter - input, on en exit InOut[-orderCoef] to - InOut[-1] is unchanged and InOut[0] to - InOut[lengthInOut-1] contain filtered - samples */ - float *Coef,/* (i) filter coefficients, Coef[0] is assumed - to be 1.0 */ - int lengthInOut,/* (i) number of input/output samples */ - int orderCoef /* (i) number of filter coefficients */ - ); - - void AllZeroFilter( - float *In, /* (i) In[0] to In[lengthInOut-1] contain - filter input samples */ - float *Coef,/* (i) filter coefficients (Coef[0] is assumed - to be 1.0) */ - int lengthInOut,/* (i) number of input/output samples */ - int orderCoef, /* (i) number of filter coefficients */ - float *Out /* (i/o) on entrance Out[-orderCoef] to Out[-1] - contain the filter state, on exit Out[0] - to Out[lengthInOut-1] contain filtered - samples */ - ); - - void ZeroPoleFilter( - float *In, /* (i) In[0] to In[lengthInOut-1] contain filter - input samples In[-orderCoef] to In[-1] - contain state of all-zero section */ - float *ZeroCoef,/* (i) filter coefficients for all-zero - section (ZeroCoef[0] is assumed to - be 1.0) */ - float *PoleCoef,/* (i) filter coefficients for all-pole section - (ZeroCoef[0] is assumed to be 1.0) */ - int lengthInOut,/* (i) number of input/output samples */ - int orderCoef, /* (i) number of filter coefficients */ - float *Out /* (i/o) on entrance Out[-orderCoef] to Out[-1] - contain state of all-pole section. On - exit Out[0] to Out[lengthInOut-1] - contain filtered samples */ - ); - - - - - - - void DownSample ( - float *In, /* (i) input samples */ - float *Coef, /* (i) filter coefficients */ - int lengthIn, /* (i) number of input samples */ - float *state, /* (i) filter state */ - float *Out /* (o) downsampled output */ - ); - - #endif - |