net.java.sip.communicator.impl.neomedia.codec.audio.silk
Class Silk_PLC

java.lang.Object
  net.java.sip.communicator.impl.neomedia.codec.audio.silk.Silk_PLC

public class Silk_PLC
extends Object

SILK PNG.

Author:

Jing Dai, Dingxin Xu

Field Summary

(package private) static int	BWE_COEF_Q16
(package private) static short[]	HARM_ATT_Q15
(package private) static int	LOG2_INV_LPC_GAIN_HIGH_THRES
(package private) static int	LOG2_INV_LPC_GAIN_LOW_THRES
(package private) static int	MAX_PITCH_LAG_MS
(package private) static int	NB_ATT
(package private) static int	PITCH_DRIFT_FAC_Q16
(package private) static short[]	PLC_RAND_ATTENUATE_UV_Q15
(package private) static short[]	PLC_RAND_ATTENUATE_V_Q15
(package private) static int	RAND_BUF_MASK
(package private) static int	RAND_BUF_SIZE
(package private) static int	SA_THRES_Q8
(package private) static boolean	USE_SINGLE_TAP
(package private) static int	V_PITCH_GAIN_START_MAX_Q14
(package private) static int	V_PITCH_GAIN_START_MIN_Q14

Constructor Summary

Silk_PLC()

Method Summary

(package private) static void	SKP_Silk_PLC_conceal(SKP_Silk_decoder_state psDec, SKP_Silk_decoder_control psDecCtrl, short[] signal, int signal_offset, int length)
(package private) static void	SKP_Silk_PLC_glue_frames(SKP_Silk_decoder_state psDec, SKP_Silk_decoder_control psDecCtrl, short[] signal, int signal_offset, int length) Glues concealed frames with new good recieved frames.
(package private) static void	SKP_Silk_PLC_Reset(SKP_Silk_decoder_state psDec) PLC reset.
(package private) static void	SKP_Silk_PLC_update(SKP_Silk_decoder_state psDec, SKP_Silk_decoder_control psDecCtrl, short[] signal, int signal_offset, int length) Update state of PLC
(package private) static void	SKP_Silk_PLC(SKP_Silk_decoder_state psDec, SKP_Silk_decoder_control psDecCtrl, short[] signal, int signal_offset, int length, int lost)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

BWE_COEF_Q16

static final int BWE_COEF_Q16

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Constant Field Values

V_PITCH_GAIN_START_MIN_Q14

static final int V_PITCH_GAIN_START_MIN_Q14

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Constant Field Values

V_PITCH_GAIN_START_MAX_Q14

static final int V_PITCH_GAIN_START_MAX_Q14

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Constant Field Values

MAX_PITCH_LAG_MS

static final int MAX_PITCH_LAG_MS

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Constant Field Values

SA_THRES_Q8

static final int SA_THRES_Q8

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Constant Field Values

USE_SINGLE_TAP

static final boolean USE_SINGLE_TAP

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Constant Field Values

RAND_BUF_SIZE

static final int RAND_BUF_SIZE

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Constant Field Values

RAND_BUF_MASK

static final int RAND_BUF_MASK

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Constant Field Values

LOG2_INV_LPC_GAIN_HIGH_THRES

static final int LOG2_INV_LPC_GAIN_HIGH_THRES

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Constant Field Values

LOG2_INV_LPC_GAIN_LOW_THRES

static final int LOG2_INV_LPC_GAIN_LOW_THRES

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Constant Field Values

PITCH_DRIFT_FAC_Q16

static final int PITCH_DRIFT_FAC_Q16

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Constant Field Values

NB_ATT

static final int NB_ATT

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Constant Field Values

HARM_ATT_Q15

static short[] HARM_ATT_Q15

PLC_RAND_ATTENUATE_V_Q15

static short[] PLC_RAND_ATTENUATE_V_Q15

PLC_RAND_ATTENUATE_UV_Q15

static short[] PLC_RAND_ATTENUATE_UV_Q15

Constructor Detail

Silk_PLC

public Silk_PLC()

Method Detail

SKP_Silk_PLC_Reset

static void SKP_Silk_PLC_Reset(SKP_Silk_decoder_state psDec)

PLC reset.

Parameters:

psDec - Decoder state.

SKP_Silk_PLC

static void SKP_Silk_PLC(SKP_Silk_decoder_state psDec,
                         SKP_Silk_decoder_control psDecCtrl,
                         short[] signal,
                         int signal_offset,
                         int length,
                         int lost)

Parameters:

psDec - Decoder state.

psDecCtrl - Decoder control.

signal - Concealed signal.

signal_offset - offset of the valid data.

length - Length of residual.

lost - Loss flag.

SKP_Silk_PLC_update

static void SKP_Silk_PLC_update(SKP_Silk_decoder_state psDec,
                                SKP_Silk_decoder_control psDecCtrl,
                                short[] signal,
                                int signal_offset,
                                int length)

Update state of PLC

Parameters:

psDec - Decoder state.

psDecCtrl - Decoder control.

signal -

signal_offset -

length -

SKP_Silk_PLC_conceal

static void SKP_Silk_PLC_conceal(SKP_Silk_decoder_state psDec,
                                 SKP_Silk_decoder_control psDecCtrl,
                                 short[] signal,
                                 int signal_offset,
                                 int length)

Parameters:

psDec - Decoder state.

psDecCtrl - Decoder control.

signal - concealed signal.

signal_offset - offset of the valid data.

length - Length of residual.

SKP_Silk_PLC_glue_frames

static void SKP_Silk_PLC_glue_frames(SKP_Silk_decoder_state psDec,
                                     SKP_Silk_decoder_control psDecCtrl,
                                     short[] signal,
                                     int signal_offset,
                                     int length)

Glues concealed frames with new good recieved frames.

Parameters:

psDec - Decoder state.

psDecCtrl - Decoder control.

signal - signal.

signal_offset - offset of the valid data.

length - length of the residual.