ref: ae25203fa79c6fd9b17fc78822edc77cde564773
dir: /silk/init_encoder.c/
/***********************************************************************
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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
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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"
/*********************************/
/* 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;
}