H.264 lossless encoding

Is it possible to use the video encoding accelerator for lossless encoding?
Is there an estimated timeline for supporting this feature?

In tegra_multimedia_api, we support lossless encoding in YUV444 input frames. Please refer to 01_video_encode and try:

$ gst-launch-1.0 videotestsrc num-buffers=60 !  'video/x-raw, width=(int)1280, height=(int)720, format=(string)Y444'  ! filesink location=origin.yuv
$ video_encode origin.yuv 1280 720 H264 out.264 --elossless
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