datatypes.h

00001 /*
00002  * Musepack audio compression
00003  *
00004  * This library is free software; you can redistribute it and/or
00005  * modify it under the terms of the GNU Lesser General Public
00006  * License as published by the Free Software Foundation; either
00007  * version 2.1 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  * Lesser General Public License for more details.
00013  *
00014  * You should have received a copy of the GNU Lesser General Public
00015  * License along with this library; if not, write to the Free Software
00016  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00017  */
00018 
00019 #pragma once
00020 
00021 // mpcenc.h
00022 #define CENTER            448                   // offset for centering current data in Main-array
00023 #define BLOCK            1152                   // blocksize
00024 #define ANABUFFER    (BLOCK + CENTER)           // size of PCM-data array for analysis
00025 
00026 
00027 typedef struct {
00028         float  L [36];
00029         float  R [36];
00030 } SubbandFloatTyp;
00031 
00032 typedef struct {
00033         float  L [ANABUFFER];
00034         float  R [ANABUFFER];
00035         float  M [ANABUFFER];
00036         float  S [ANABUFFER];
00037 } PCMDataTyp;
00038 

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