65 lines
2.8 KiB
C
65 lines
2.8 KiB
C
|
/***********************************************************************
|
||
|
|
Copyright (c) 2006-2011, Skype Limited. All rights reserved.
|
||
|
|
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
|
||
|
|
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||
|
|
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||
|
|
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||
|
|
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||
|
|
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||
|
|
POSSIBILITY OF SUCH DAMAGE.
|
||
|
|
***********************************************************************/
|
||
|
|
|
||
|
|
#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;
|
||
|
|
}
|