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IXP400 Digital Signal Processing (DSP) Software Version 2.5
Media Processing Resource Components
14 API Reference Manual
Parameters
Events
• XEVT_LOST_PACKET — Bad packet.
• XEVT_DEC_PACKET_CHNG — Received RTP payload type changed.
Identifier Description and values Attr.
Direct
Write
XPARMID_RES_STATE Current state (0: idle, 1: active) R N
XPARMID_ENC_LP_STREAM
L-Port stream ID. Default: the stream assigned to the TDM termination’s
T-Port of the same channel if exist, otherwise –1.
R/W N
XPARMID_ENC_AGC
AGC enable flag.
XPARM_ON or XPARM_OFF.
Default:
XPARM_OFF
R/W N
XPARMID_ENC_VAD
VAD enable flag.
XPARM_ON or XPARM_OFF.
Default:
XPARM_OFF
R/W N
XPARMID_ENC_CTYPE
Coder type. Currently supported types are
XCODER_TYPE_G711MU_10MS,
XCODER_TYPE_G711A_10MS, XCODER_TYPE_G729A or
XCODE_TYPE_G723,
XCODER_TYPE_G722,XCODER_TYPE_G726_40,
XCODER_TYPE_G726_32,
XCODER_TYPE_G726_24,
XCODER_TYPE_G726_16,
and XCODER_TYPE_G729.
Default:
XCODER_TYPE_G711MU_10MS
R/W N
XPARMID_ENC_MFPP
Number of frames per packet. Supported range is 1~6 for G.711 and
G.722, 1~8 for G.723, 1~9 for G.726 40 Kbps, 1~12 for G.726 32 Kbps,
1~16 for G.726 24 Kbps, and 1~24 for G.729 and G.726 16 Kbps.
Default: 1.
R/W N
XPARMID_ENC_EVT_PKT
Enable packet lost event.
XPARM_ON or XPARM_OFF.
Default: XPARM_OFF
R/W Y
XPARMID_ENC_G726_40_RTP_PLD
RTP payload type for G.726 40-Kbps coder, The payload type is
negotiated and set by the call stack. The range of values is 96 to 127.
Default: 96
R/W Y
XPARMID_ENC_G726_32_RTP_PLD
RTP payload type for G.726 32-Kbps coder, The payload type is
negotiated and set by the call stack. The range of values is 96 to 127.
Default: 97
R/W Y
XPARMID_ENC_G726_24_RTP_PLD
RTP payload type for G.726 24-Kbps coder, The payload type is
negotiated and set by the call stack. The range of values is 96 to 127.
Default: 98
R/W Y
XPARMID_ENC_G726_16_RTP_PLD
RTP payload type for G.726 16-Kbps coder, The payload type is
negotiated and set by the call stack. The range of values is 96 to 127.
Default: 99
R/W Y
XPARMID_ENC_G726_PACK
G.726 packing format. Set to
XPARM_G726_PACK_LSB for RFC 3551
format, or
XPARM_G726_PACK_MSB for I.366.2 Annex E format.
Default:
XPARM_G726_PACK_LSB
R/W N
XPARMID_ENC_VOL
Encoder gain adjustment, +15 ~ – 40 in 1-dB units.
Default: 0 (Set to -99 to mute)
R/W N