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authorBenny Prijono <bennylp@teluu.com>2007-04-07 12:47:34 +0000
committerBenny Prijono <bennylp@teluu.com>2007-04-07 12:47:34 +0000
commit81d1b2797aa3945c529d57f9ddf6179ec2b392a4 (patch)
tree2ae3b710e8152fb1140653473fbc338a6638178e /third_party/ilbc/LPCdecode.h
parent3ade1510e72926d02d7c7d4416257449bc0cd3f3 (diff)
Moved ilbc to third_party directory
git-svn-id: http://svn.pjsip.org/repos/pjproject/branches/split-3rd-party@1169 74dad513-b988-da41-8d7b-12977e46ad98
Diffstat (limited to 'third_party/ilbc/LPCdecode.h')
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1 files changed, 52 insertions, 0 deletions
diff --git a/third_party/ilbc/LPCdecode.h b/third_party/ilbc/LPCdecode.h
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+
+ /******************************************************************
+
+ iLBC Speech Coder ANSI-C Source Code
+
+ LPC_decode.h
+
+ Copyright (C) The Internet Society (2004).
+ All Rights Reserved.
+
+ ******************************************************************/
+
+ #ifndef __iLBC_LPC_DECODE_H
+ #define __iLBC_LPC_DECODE_H
+
+ void LSFinterpolate2a_dec(
+ float *a, /* (o) lpc coefficients for a sub-frame */
+ float *lsf1, /* (i) first lsf coefficient vector */
+ float *lsf2, /* (i) second lsf coefficient vector */
+ float coef, /* (i) interpolation weight */
+ int length /* (i) length of lsf vectors */
+ );
+
+ void SimplelsfDEQ(
+ float *lsfdeq, /* (o) dequantized lsf coefficients */
+ int *index, /* (i) quantization index */
+ int lpc_n /* (i) number of LPCs */
+ );
+
+ void DecoderInterpolateLSF(
+ float *syntdenum, /* (o) synthesis filter coefficients */
+ float *weightdenum, /* (o) weighting denumerator
+ coefficients */
+ float *lsfdeq, /* (i) dequantized lsf coefficients */
+ int length, /* (i) length of lsf coefficient vector */
+ iLBC_Dec_Inst_t *iLBCdec_inst
+ /* (i) the decoder state structure */
+ );
+
+ #endif
+
+
+
+
+
+
+
+
+
+
+
+