mlib_SignalADPCM3Bits2LinemediaLib)Library mlib_SignalADPCM3Bits2Linear(3MLIB)NAMEmlib_SignalADPCM3Bits2Linear - adaptive differential pulse code modula‐
tion (ADPCM)
SYNOPSIS
cc [ flag... ] file... -lmlib [ library... ]
#include <mlib.h>
mlib_status mlib_SignalADPCM3Bits2Linear(mlib_s16 *pcm,
const mlib_u8 *adpcm, void *state, mlib_s32 n);
DESCRIPTION
The mlib_SignalADPCM3Bits2Linear() function performs adaptive differen‐
tial pulse code modulation (ADPCM) in compliance with the ITU (former
CCITT) G.721, G.723, and G.726 specifications. It converts data
fromG.723 or G.726 24kbps 3-bit ADPCM to 16-bit linear PCM format.
PARAMETERS
The function takes the following arguments:
pcm Linear PCM sample array.
adpcm ADPCM code array.
state Internal structure of the codec.
n Number of samples in the source array.
RETURN VALUES
The function returns MLIB_SUCCESS if successful. Otherwise it returns
MLIB_FAILURE.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
┌─────────────────────────────┬─────────────────────────────┐
│ ATTRIBUTE TYPE │ ATTRIBUTE VALUE │
├─────────────────────────────┼─────────────────────────────┤
│Interface Stability │Committed │
├─────────────────────────────┼─────────────────────────────┤
│MT-Level │MT-Safe │
└─────────────────────────────┴─────────────────────────────┘
SEE ALSOmlib_SignalADPCM2Bits2Linear(3MLIB), mlib_SignalADPCM4Bits2Lin‐
ear(3MLIB), mlib_SignalADPCM5Bits2Linear(3MLIB), mlib_SignalADPCM‐
Free(3MLIB), mlib_SignalADPCMInit(3MLIB), mlib_Sig‐
nalLinear2ADPCM2Bits(3MLIB), mlib_SignalLinear2ADPCM3Bits(3MLIB),
mlib_SignalLinear2ADPCM4Bits(3MLIB), mlib_Sig‐
nalLinear2ADPCM5Bits(3MLIB), attributes(5)SunOS 5.10 2 Mar 200mlib_SignalADPCM3Bits2Linear(3MLIB)