gstreamer/gst/siren/decoder.h

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/*
* Siren Encoder/Decoder library
*
* @author: Youness Alaoui <kakaroto@kakaroto.homelinux.net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef _SIREN_DECODER_H
#define _SIREN_DECODER_H
#include <math.h>
#include <stdlib.h>
#include <string.h>
#include "dct4.h"
#include "rmlt.h"
#include "huffman.h"
#include "common.h"
typedef struct stSirenDecoder {
int sample_rate;
PCMWavHeader WavHeader;
float context[320];
float backup_frame[320];
int dw1;
int dw2;
int dw3;
int dw4;
} * SirenDecoder;
/* MUST be 16000 to be compatible with MSN Voice clips (I think) */
extern SirenDecoder Siren7_NewDecoder(int sample_rate);
extern void Siren7_CloseDecoder(SirenDecoder decoder);
extern int Siren7_DecodeFrame(SirenDecoder decoder, unsigned char *DataIn, unsigned char *DataOut);
#endif /* _SIREN_DECODER_H */