# msp_ENDPOINT_RTPFDX_SET_VID_TX_PID

This video-specific structure sets the transmit RTP payload ID for video full-duplex and simplex send RTP endpoints.

Use this structure with the MSP_CMD_RTPFDX_SET_VID_TX_PID command, which is described in Setting the video transmit RTP payload ID.

#### Definition

typedef struct
{
U32 txPayloadId; //Transmit Payload ID, max = 127
} msp_ENDPOINT_RTPFDX_SET_VID_TX_PID;

#### Fields

Field name | Default | Description
--- | --- | ---
txPayloadId | MPEG-4 - 100 H.263/2190 - 34 H.263/2429 - 101 H.264 - 104 | Transmit payload ID. Valid values are 0 - 127.