pure sdk for main

2025-08-27 09:51:58 +01:00
parent f0d033f1c9
commit 0571416e7c
3283 changed files with 1577720 additions and 1 deletions
@@ -0,0 +1,25 @@
+/*
+ *===================================================================
+ *  3GPP AMR Wideband Floating-point Speech Codec
+ *===================================================================
+ */
+#ifndef DEC_LPC_H
+#define DEC_LPC_H
+
+#include "typedef.h"
+
+void D_LPC_isf_noise_d(Word16 *indice, Word16 *isf_q);
+void D_LPC_isf_isp_conversion(Word16 isf[], Word16 isp[], Word16 m);
+void D_LPC_isp_a_conversion(Word16 isp[], Word16 a[], Word32 adaptive_scaling, 
+                            Word16 m);
+void D_LPC_a_weight(Word16 a[], Word16 ap[], Word16 gamma, Word16 m);
+void D_LPC_isf_2s3s_decode(Word16 *indice, Word16 *isf_q, Word16* past_isfq,
+                           Word16 *isfold, Word16 *isf_buf, Word16 bfi);
+void D_LPC_isf_2s5s_decode(Word16 *indice, Word16 *isf_q, Word16 *past_isfq,
+                           Word16 *isfold, Word16 *isf_buf, Word16 bfi);
+void D_LPC_int_isp_find(Word16 isp_old[], Word16 isp_new[],
+                        const Word16 frac[], Word16 Az[]);
+void D_LPC_isf_extrapolation(Word16 HfIsf[]);
+
+#endif
+