MusicKit
0.0.0
|
00001 /* 00002 * $Id$ 00003 * 00004 * The configuration constants below govern the number of bits in the 00005 * input sample and filter coefficients, the 00006 * number of bits to the right of the binary-point for fixed-point math, etc. 00007 * 00008 * Portions Copyright (c) 1999, The MusicKit Project. All rights reserved. 00009 * 00010 * Permission is granted to use and modify this code for commercial and 00011 * non-commercial purposes so long as the author attribution and copyright 00012 * messages remain intact and accompany all relevant code. 00013 * 00014 */ 00015 #if HAVE_CONFIG_H 00016 # include "SndKitConfig.h" 00017 #endif 00018 #include "SndFormat.h" 00019 00020 /* Conversion constants */ 00021 #define Nhc 8 00022 #define Na 7 00023 #define Np (Nhc+Na) 00024 #define Npc (1<<Nhc) 00025 #define Amask ((1<<Na)-1) 00026 #define Pmask ((1<<Np)-1) 00027 #define Nh 16 00028 #define Nb 16 00029 #define Nhxn 14 00030 #define Nhg (Nh-Nhxn) 00031 #define NLpScl 13 00032 00103 SNDKIT_API int resample( 00104 double factor, 00105 SND_HWORD *outPtr, 00106 int inCount, 00107 int outCount, 00108 int nChans, 00109 BOOL interpFilt, 00110 int fastMode, 00111 BOOL largeFilter, 00112 char *filterFile, 00113 const SndFormat inSnd, 00114 int resampleFrom, 00115 void *inData 00116 );