зеркало из https://github.com/mozilla/gecko-dev.git
63 строки
3.3 KiB
C
63 строки
3.3 KiB
C
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/***********************************************************************
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Copyright (c) 2006-2011, Skype Limited. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, (subject to the limitations in the disclaimer below)
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are permitted provided that the following conditions are met:
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- Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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- Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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- Neither the name of Skype Limited, nor the names of specific
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contributors, may be used to endorse or promote products derived from
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this software without specific prior written permission.
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NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED
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BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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CONTRIBUTORS ''AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
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BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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***********************************************************************/
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#ifndef SILK_PLC_H
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#define SILK_PLC_H
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#include "main.h"
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#define BWE_COEF 0.99
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#define V_PITCH_GAIN_START_MIN_Q14 11469 /* 0.7 in Q14 */
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#define V_PITCH_GAIN_START_MAX_Q14 15565 /* 0.95 in Q14 */
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#define MAX_PITCH_LAG_MS 18
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#define SA_THRES_Q8 50
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#define RAND_BUF_SIZE 128
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#define RAND_BUF_MASK ( RAND_BUF_SIZE - 1 )
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#define LOG2_INV_LPC_GAIN_HIGH_THRES 3 /* 2^3 = 8 dB LPC gain */
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#define LOG2_INV_LPC_GAIN_LOW_THRES 8 /* 2^8 = 24 dB LPC gain */
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#define PITCH_DRIFT_FAC_Q16 655 /* 0.01 in Q16 */
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void silk_PLC_Reset(
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silk_decoder_state *psDec /* I/O Decoder state */
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);
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void silk_PLC(
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silk_decoder_state *psDec, /* I/O Decoder state */
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silk_decoder_control *psDecCtrl, /* I/O Decoder control */
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opus_int16 frame[], /* I/O signal */
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opus_int lost /* I Loss flag */
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);
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void silk_PLC_glue_frames(
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silk_decoder_state *psDec, /* I/O decoder state */
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opus_int16 frame[], /* I/O signal */
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opus_int length /* I length of signal */
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);
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#endif
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