MJPEG support in hardware

I noticed that there are is no support for MJPEG in hardware. Is there only software support for MJPEG?

nvidia@tegra-ubuntu:~/src$ gst-inspect-1.0 | grep mjpeg
libav: avenc_mjpeg: libav MJPEG (Motion JPEG) encoder
libav: avdec_adpcm_ima_smjpeg: libav ADPCM IMA Loki SDL MJPEG decoder
libav: avdec_mjpeg: libav MJPEG (Motion JPEG) decoder
libav: avdec_mjpegb: libav Apple MJPEG-B decoder
libav: avmux_smjpeg: libav Loki SDL MJPEG muxer
nvidia@tegra-ubuntu:~/src$ gst-inspect-1.0 | grep omx
omx: omxmpeg4videodec: OpenMAX MPEG4 Video Decoder
omx: omxh264dec: OpenMAX H.264 Video Decoder
omx: omxh265dec: OpenMAX H.265 Video Decoder
omx: omxvp8dec: OpenMAX VP8 Video Decoder
omx: omxvp9dec: OpenMAX VP9 Video Decoder
omx: omxmpeg2videodec: OpenMAX MPEG2 Video Decoder
omx: omxwmvdec: OpenMAX WMV Video Decoder
omx: omxh264enc: OpenMAX H.264 Video Encoder
omx: omxh265enc: OpenMAX H.265 Video Encoder
omx: omxvp8enc: OpenMAX VP8 Video Encoder
omx: omxvp9enc: OpenMAX VP9 Video Encoder
omx: nvhdmioverlaysink: OpenMax HDMI Video Sink
omx: nvoverlaysink: OpenMax Video Sink
nvidia@tegra-ubuntu:~/src$

Hi kunice, you can try nvjpegdec. Please refer to https://devtalk.nvidia.com/default/topic/1012417/