53 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			53 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
|  * 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., 51 Franklin St, Fifth Floor,
 | |
|  * Boston, MA 02110-1301, 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 */
 |