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

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

public class Silk_resampler
extends Object

Interface to collection of resamplers.

Author:

Jing Dai, Dingxin Xu

Constructor Summary

Silk_resampler()

Method Summary

(package private) static int	gcd(int a, int b) Greatest common divisor.
(package private) static int	SKP_Silk_resampler_clear(SKP_Silk_resampler_state_struct S) Clear the states of all resampling filters, without resetting sampling rate ratio.
(package private) static int	SKP_Silk_resampler_init(SKP_Silk_resampler_state_struct S, int Fs_Hz_in, int Fs_Hz_out) Initialize/reset the resampler state for a given pair of input/output sampling rates.
(package private) static int	SKP_Silk_resampler(SKP_Silk_resampler_state_struct S, short[] out, int out_offset, short[] in, int in_offset, int inLen) Resampler: convert from one sampling rate to another.

Methods inherited from class java.lang.Object

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

Constructor Detail

Silk_resampler

public Silk_resampler()

Method Detail

gcd

static int gcd(int a,
               int b)

Greatest common divisor.

Parameters:

a -

b -

SKP_Silk_resampler_init

static int SKP_Silk_resampler_init(SKP_Silk_resampler_state_struct S,
                                   int Fs_Hz_in,
                                   int Fs_Hz_out)

Initialize/reset the resampler state for a given pair of input/output sampling rates.

Parameters:

S - resampler state.

Fs_Hz_in - Input sampling rate (Hz).

Fs_Hz_out - Output sampling rate (Hz).

Returns:

SKP_Silk_resampler_clear

static int SKP_Silk_resampler_clear(SKP_Silk_resampler_state_struct S)

Clear the states of all resampling filters, without resetting sampling rate ratio.

Parameters:

S - Resampler state.

Returns:

SKP_Silk_resampler

static int SKP_Silk_resampler(SKP_Silk_resampler_state_struct S,
                              short[] out,
                              int out_offset,
                              short[] in,
                              int in_offset,
                              int inLen)

Resampler: convert from one sampling rate to another.

Parameters:

S - Resampler state.

out - Output signal.

out_offset - offset of vaild data.

in - Input signal.

in_offset - offset of valid data.

inLen - Number of input samples

Returns: