- initial import

2018-06-05 11:05:37 +03:00
commit e1a4931375
4673 changed files with 1383093 additions and 0 deletions
--- a/src/libs/gsmhr/gsmhr_vad.h
+++ b/src/libs/gsmhr/gsmhr_vad.h
@@ -0,0 +1,125 @@
+#ifndef __VAD
+#define __VAD
+
+#include "typedefs.h"
+
+
+/*_________________________________________________________________________
+ |                                                                         |
+ |                            Function Prototypes                          |
+ |_________________________________________________________________________|
+*/
+
+void   vad_reset(void);
+
+void   vad_algorithm
+       (
+               int32_t pL_acf[9],
+               int16_t swScaleAcf,
+               int16_t pswRc[4],
+               int16_t swPtch,
+               int16_t *pswVadFlag
+);
+
+void   energy_computation
+       (
+               int32_t pL_acf[],
+               int16_t swScaleAcf,
+               int16_t pswRvad[],
+               int16_t swNormRvad,
+               int16_t *pswM_pvad,
+               int16_t *pswE_pvad,
+               int16_t *pswM_acf0,
+               int16_t *pswE_acf0
+);
+
+
+void   average_acf
+       (
+               int32_t pL_acf[],
+               int16_t swScaleAcf,
+               int32_t pL_av0[],
+               int32_t pL_av1[]
+);
+
+void   predictor_values
+       (
+               int32_t pL_av1[],
+               int16_t pswRav1[],
+               int16_t *pswNormRav1
+);
+
+void   schur_recursion
+       (
+               int32_t pL_av1[],
+               int16_t pswVpar[]
+);
+
+void   step_up
+       (
+               int16_t swNp,
+               int16_t pswVpar[],
+               int16_t pswAav1[]
+);
+
+void   compute_rav1
+       (
+               int16_t pswAav1[],
+               int16_t pswRav1[],
+               int16_t *pswNormRav1
+);
+
+void   spectral_comparison
+       (
+               int16_t pswRav1[],
+               int16_t swNormRav1,
+               int32_t pL_av0[],
+               int16_t *pswStat
+);
+
+void   tone_detection
+       (
+               int16_t pswRc[4],
+               int16_t *pswTone
+);
+
+
+void   threshold_adaptation
+       (
+               int16_t swStat,
+               int16_t swPtch,
+               int16_t swTone,
+               int16_t pswRav1[],
+               int16_t swNormRav1,
+               int16_t swM_pvad,
+               int16_t swE_pvad,
+               int16_t swM_acf0,
+               int16_t swE_acf0,
+               int16_t pswRvad[],
+               int16_t *pswNormRvad,
+               int16_t *pswM_thvad,
+               int16_t *pswE_thvad
+);
+
+void   vad_decision
+       (
+               int16_t swM_pvad,
+               int16_t swE_pvad,
+               int16_t swM_thvad,
+               int16_t swE_thvad,
+               int16_t *pswVvad
+);
+
+void   vad_hangover
+       (
+               int16_t swVvad,
+               int16_t *pswVadFlag
+);
+
+void   periodicity_update
+       (
+               int16_t pswLags[4],
+               int16_t *pswPtch
+);
+
+#endif