Class G722Codec

SpanDSP - a series of DSP components for telephony

g722_decode.c - The ITU G.722 codec, decode part.

Written by Steve Underwood <steveu@coppice.org&gt;

Copyright (C) 2005 Steve Underwood Ported to C# by Mark Heath 2011

Despite my general liking of the GPL, I place my own contributions to this code in the public domain for the benefit of all mankind - even the slimy ones who might try to proprietize my work and use it to my detriment.

Based in part on a single channel G.722 codec which is: Copyright (c) CMU 1993 Computer Science, Speech Group Chengxiang Lu and Alex Hauptmann

Inheritance

object

G722Codec

Inherited Members

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Namespace: SipLib.Media

Assembly: SipLib.dll

Syntax

public class G722Codec

Methods

Decode(G722CodecState, short[], byte[], int)

Decodes a buffer of G722

Declaration

public int Decode(G722CodecState state, short[] outputBuffer, byte[] inputG722Data, int inputLength)

Parameters

Type	Name	Description
G722CodecState	state	Codec state
short[]	outputBuffer	Output buffer (to contain decompressed PCM samples)
byte[]	inputG722Data
int	inputLength	Number of bytes in input G722 data to decode

Returns

Type	Description
int	Number of samples written into output buffer

Encode(G722CodecState, byte[], short[], int)

Encodes a buffer of G722

Declaration

public int Encode(G722CodecState state, byte[] outputBuffer, short[] inputBuffer, int inputBufferCount)

Parameters

Type	Name	Description
G722CodecState	state	Codec state
byte[]	outputBuffer	Output buffer (to contain encoded G722)
short[]	inputBuffer	PCM 16 bit samples to encode
int	inputBufferCount	Number of samples in the input buffer to encode

Returns

Type	Description
int	Number of encoded bytes written into output buffer