Hi
In ilClient_utils.c of encode example, in function IL_ClientSetEncodeParams,
Please set tDynParams.videoDynamicParams.h264EncDynamicParams.videnc2DynamicParams.intraFrameInterval = 15 instead of 90. This will configure your encoder for your GOP requirements.
RatecontrolPreset is already set as LOW_DELAY(CBR) for constant bitrate encoding
tStaticParam.videoStaticParams.h264EncStaticParams.videnc2Params.rateControlPreset = IVIDEO_LOW_DELAY;
Ram