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/**
* Smarc
*
* Copyright (c) 2009-2011 Institut Tlcom - Tlcom Paristech
* Tlcom ParisTech / dept. TSI
*
* Authors : Benoit Mathieu, Jacques Prado
*
* This file is part of Smarc.
*
* Smarc is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Smarc is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef MULTI_STAGE_H_
#define MULTI_STAGE_H_
/**
* Definition of a multistage filter plan.
* - nb_stages: number of stages
* - L: array of nb_stages interpolation factors
* - M: array of nb_stages decimation factors
*/
struct PMultiStageDef {
int nb_stages;
int* L;
int* M;
};
struct PMultiStageDef* get_predef_ratios(int fsin, int fsout);
struct PMultiStageDef* get_user_ratios(int fsin, int fsout, const char* userdef);
struct PMultiStageDef* build_auto_ratios(int fsin, int fsout, double tol);
struct PMultiStageDef* build_fast_ratios(int fsin, int fsout, double tol, double bandwidth,double rp,double rs);
void destroy_multistagedef(struct PMultiStageDef*);
#endif /* MULTI_STAGE_H_ */
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