shithub: opus

ref: 0fd8d675f8bf0f43fe25931c5f4b99bfa0db77fb
dir: /silk/silk_create_init_destroy.c/

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/***********************************************************************
Copyright (c) 2006-2011, Skype Limited. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, (subject to the limitations in the disclaimer below)
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 Skype Limited, nor the names of specific
contributors, may be used to endorse or promote products derived from
this software without specific prior written permission.
NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED
BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
CONTRIBUTORS ''AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
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COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
***********************************************************************/

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include "silk_main.h"


/************************/
/* Init Decoder State   */
/************************/
opus_int silk_init_decoder(
    silk_decoder_state      *psDec              /* I/O  Decoder state pointer                       */
)
{
    /* Clear the entire encoder state, except anything copied */
    SKP_memset( psDec, 0, sizeof( silk_decoder_state ) );

    /* Used to deactivate e.g. LSF interpolation and fluctuation reduction */
    psDec->first_frame_after_reset = 1;
    psDec->prev_inv_gain_Q16 = 65536;

    /* Reset CNG state */
    silk_CNG_Reset( psDec );

    /* Reset PLC state */
    silk_PLC_Reset( psDec );

    return(0);
}