/***********************************************************************
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Redistribution and use in source and binary forms , with or without
modification , are permitted provided that the following conditions
are met :
- Redistributions of source code must retain the above copyright notice ,
this list of conditions and the following disclaimer .
- Redistributions in binary form must reproduce the above copyright
notice , this list of conditions and the following disclaimer in the
documentation and / or other materials provided with the distribution .
- Neither the name of Internet Society , IETF or IETF Trust , nor the
names of specific contributors , may be used to endorse or promote
products derived from this software without specific prior written
permission .
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS " AS IS "
AND ANY EXPRESS OR IMPLIED WARRANTIES , INCLUDING , BUT NOT LIMITED TO , THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED . IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT , INDIRECT , INCIDENTAL , SPECIAL , EXEMPLARY , OR
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***********************************************************************/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifdef FIXED_POINT
#include "main_FIX.h"
#else
#include "main_FLP.h"
#endif
#include "tuning_parameters.h"
#include "cpu_support.h"
#ifdef ENABLE_DRED
#include "dred_encoder.h"
#endif
/*********************************/
/* Initialize Silk Encoder state */
/*********************************/
opus_int silk_init_encoder(
silk_encoder_state_Fxx *psEnc, /* I/O Pointer to Silk FIX encoder state */
int arch /* I Run-time architecture */
)
{
opus_int ret = 0 ;
/* Clear the entire encoder state */
silk_memset( psEnc, 0 , sizeof ( silk_encoder_state_Fxx ) );
psEnc->sCmn.arch = arch;
psEnc->sCmn.variable_HP_smth1_Q15 = silk_LSHIFT( silk_lin2log( SILK_FIX_CONST( VARIABLE_HP_MIN_CUTOFF_HZ, 16 ) ) - ( 16 << 7 ), 8 );
psEnc->sCmn.variable_HP_smth2_Q15 = psEnc->sCmn.variable_HP_smth1_Q15;
/* Used to deactivate LSF interpolation, pitch prediction */
psEnc->sCmn.first_frame_after_reset = 1 ;
/* Initialize Silk VAD */
ret += silk_VAD_Init( &psEnc->sCmn.sVAD );
return ret;
}
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(vorverarbeitet am 2026-09-28)
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