Why can’t my h264/265 video be received by an NDI receiver when using the embedded SDK? 

If you're creating an NDI video stream from H264/h2645 encoding and the video is translated as black or invalid, please ensure that the extra data is filled in properly. You'll need to have the SPS and PPS NAL units formatted in the standard Annex-B format for us to translate the video. Please refer to the SDK Documentation for further help