Intel
®
IXP400 Digital Signal Processing (DSP) Software Version 2.5
Media Processing Resource Components
18
API Reference Manual
Media Processing Functions
Mixing multiple audio streams for three-way call or small audio conference. The maximum number
of parties to the mixer is currently five.
Resource-Specific Control Messages
None.
Parameters
Events
None.
3.8
T.38 Fax Resource Component
Resource Type:
XMPR_T38
Media Processing Functions
•
Real-time fax gateway between TDM interface and IP network
Resource-Specific Control Messages
None.
Parameters
Identifier
Description and values
Attr.
Direct
Write
XPARMID_RES_STATE
Current state (0: idle, 1: active)
R
N
XPARMID_MIX_LP_STREAM
The first L-Port stream ID. Default: –1
R/W
N
XPARMID_MIX_LP1
The 2nd L-Port stream ID. Default: –1
R/W
N
XPARMID_MIX_LPn-1
The
n
th L-Port stream ID. Default: –1
R/W
N
Identifier
Description and Values
Attr.
Direct
Write
XPARMID_RES_STATE
Current state (0: idle, 1: active)
R
N
XPARMID_T38_ELLIPSIS
Flag of enabling ellipsis.
XPARM_ON
or
XPARM_OFF
.
Default:
XPARM_OFF
R/W
N
XPARMID_T38_FEC
Flag of enabling FEC.
XPARM_ON
or
XPARM_OFF
.
Default:
XPARM_OFF
R/W
N
XPARMID_T38_REDUNDANCY
Redundancy level, (0 ~ 7)
Default: 0
R/W
N