summaryrefslogtreecommitdiffstats
path: root/thirdparties/win32/include/ilbc/LPCdecode.h
diff options
context:
space:
mode:
Diffstat (limited to 'thirdparties/win32/include/ilbc/LPCdecode.h')
-rw-r--r--thirdparties/win32/include/ilbc/LPCdecode.h52
1 files changed, 52 insertions, 0 deletions
diff --git a/thirdparties/win32/include/ilbc/LPCdecode.h b/thirdparties/win32/include/ilbc/LPCdecode.h
new file mode 100644
index 0000000..7f59984
--- /dev/null
+++ b/thirdparties/win32/include/ilbc/LPCdecode.h
@@ -0,0 +1,52 @@
+ /******************************************************************
+
+ 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
+
+
+
+
+
+
+
+
+
+
+
+
+
OpenPOWER on IntegriCloud