man pages section 3: Multimedia Library Functions

Exit Print View

Updated: July 2014
 
 

mlib_SignalADPCM5Bits2Linear (3MLIB)

Name

mlib_SignalADPCM5Bits2Linear - adaptive differential pulse code modulation (ADPCM)

Synopsis

cc [ flag... ] file... –lmlib [ library... ]
#include <mlib.h>

mlib_status mlib_SignalADPCM5Bits2Linear(mlib_s16 *pcm, 
     const mlib_u8 *adpcm, void *state, mlib_s32 n);

Description

The mlib_SignalADPCM5Bits2Linear() function performs adaptive differential 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 40kbps 5-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 also

mlib_SignalADPCM2Bits2Linear(3MLIB), mlib_SignalADPCM3Bits2Linear(3MLIB), mlib_SignalADPCM4Bits2Linear(3MLIB), mlib_SignalADPCMFree(3MLIB), mlib_SignalADPCMInit(3MLIB), mlib_SignalLinear2ADPCM2Bits(3MLIB), mlib_SignalLinear2ADPCM3Bits(3MLIB), mlib_SignalLinear2ADPCM4Bits(3MLIB), mlib_SignalLinear2ADPCM5Bits(3MLIB), attributes(5)