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>

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
System.Object
G722Codec
Inherited Members
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.ToString()
Namespace: SIPSorcery.Media
Assembly: SIPSorcery.dll
Syntax
public class G722Codec

Methods

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Decode(G722CodecState, Int16[], Byte[], Int32)

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
System.Int16[] outputBuffer

Output buffer (to contain decompressed PCM samples)
System.Byte[] inputG722Data
System.Int32 inputLength

Number of bytes in input G722 data to decode
Returns
Type Description
System.Int32

Number of samples written into output buffer
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Encode(G722CodecState, Byte[], Int16[], Int32)

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
System.Byte[] outputBuffer

Output buffer (to contain encoded G722)
System.Int16[] inputBuffer

PCM 16 bit samples to encode
System.Int32 inputBufferCount

Number of samples in the input buffer to encode
Returns
Type Description
System.Int32

Number of encoded bytes written into output buffer

Extension Methods