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author | markster <markster@f38db490-d61c-443f-a65b-d21fe96a405b> | 2003-04-15 04:36:52 +0000 |
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committer | markster <markster@f38db490-d61c-443f-a65b-d21fe96a405b> | 2003-04-15 04:36:52 +0000 |
commit | 9fa1f6563a431a73d7eb0c8a284e4cf419cbc2fa (patch) | |
tree | 468bcd1944564d1b84b5a9d46b2eb437fe3c73a3 /codecs/ilbc/StateSearchW.h | |
parent | 0cc1bf692bcfc7f3f9ffef9d62c6621cd9ab9f4a (diff) |
Add iLBC codec
git-svn-id: http://svn.digium.com/svn/asterisk/trunk@852 f38db490-d61c-443f-a65b-d21fe96a405b
Diffstat (limited to 'codecs/ilbc/StateSearchW.h')
-rwxr-xr-x | codecs/ilbc/StateSearchW.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/codecs/ilbc/StateSearchW.h b/codecs/ilbc/StateSearchW.h new file mode 100755 index 000000000..2f3f4022d --- /dev/null +++ b/codecs/ilbc/StateSearchW.h @@ -0,0 +1,43 @@ + +/****************************************************************** + + iLBC Speech Coder ANSI-C Source Code + + StateSearchW.h + + Copyright (c) 2001, + Global IP Sound AB. + All rights reserved. + +******************************************************************/ + +#ifndef __iLBC_STATESEARCHW_H +#define __iLBC_STATESEARCHW_H + +void AbsQuantW( + float *in, /* (i) vector to encode */ + float *syntDenum, /* (i) denominator of synthesis filter */ + float *weightDenum, /* (i) denominator of weighting filter */ + int *out, /* (o) vector of quantizer indexes */ + int len, /* (i) length of vector to encode and + vector of quantizer indexes */ + int state_first /* (i) position of start state in the + 80 vec */ +); + +void StateSearchW( + float *residual,/* (i) target residual vector */ + float *syntDenum, /* (i) lpc synthesis filter */ + float *weightDenum, /* (i) weighting filter denuminator */ + int *idxForMax, /* (o) quantizer index for maximum + amplitude */ + int *idxVec, /* (o) vector of quantization indexes */ + int len, /* (i) length of all vectors */ + int state_first /* (i) position of start state in the + 80 vec */ +); + + +#endif + + |