Prosody RTP processing: API: sm_vmprx_config_codec_g722_1

Prototype Definition

int sm_vmprx_config_codec_g722_1(struct sm_vmprx_codec_g722_1_parms *codecp)

Parameters

*codecp
a structure of the following type: 
typedef struct sm_vmprx_codec_g722_1_parms {
	tSMVMPrxId vmprx;					/* in */
	tSM_INT payload_type;					/* in */
	tSM_INT bitrate;					/* in */
	enum kSMPLCMode plc_mode;				/* in */
} SM_VMPRX_CODEC_G722_1_PARMS;

Description

Configures the VMP[rx] to use the G.722.1, licensed from Polycom®, wideband codec, setting the payload type mapping to payload_type. This supersedes any previous mapping that was in effect for this codec.

If the call completes successfully, RTP packets arriving at the VMP[rx] with a payload type that matches the specified payload type will be decoded using this codec.

This requires the module g722-1 to have been downloaded.

Fields

vmprx
The VMP[rx] to which to add the codec
payload_type
The payload type identifer to use with this codec (see IETF RFC 3550 section 13). Supplying a value of -1 will remove any payload type configuration from the codec preventing its use.
bitrate
Bitrate of the incoming data. Must be 24000 or 32000 (the superwideband bit rates specified in G.722.1 Annex C are not supported).
plc_mode
Enables or disables PLC (packet loss concealment) as appropriate for the codec. Note the codec implementation may not allow PLC to be disabled. One of these values:
kSMPLCModeDisabled
PLC Disabled
kSMPLCModeEnabled
PLC Enabled

Returns

0 if call completed successfully, otherwise a standard error such as:

This function is part of the Prosody RTP processing API.