/usr/bin/rd-curves

/usr/bin/rd-curves: unrecognized option '--help'
usage: rd-curves 'preset_id' 'input_preset' 'encoder'
supported encoders: de265 / hm / hmscc / x265 / f265 / x264 / mpeg2
presets:
  1 pre01-intra-noLF     intra, no LF, no SBH, CTB-size 32, min CB=8
  2 pre02-fastIntra      intra, no LF, no SBH, CTB-size 32, min CB=8
  3 pre03-fastIntra      pre02, but fast-brute
 50 cb-auto16            (development test)
 80 lowdelay             default (low-default) encoder parameters
 98 best                 default (random-access) encoder parameters
 99 besteq               default (random-access) encoder parameters, I-frame distance = 248

input presets:
 paris        $YUV/paris_cif.yuv              352x 288, 1065 frames, 30.00 fps
 paris10      $YUV/paris_cif.yuv              352x 288,   10 frames, 30.00 fps
 paris100     $YUV/paris_cif.yuv              352x 288,  100 frames, 30.00 fps
 johnny       $YUV/Johnny_1280x720_60.yuv    1280x 720,  600 frames, 60.00 fps
 johnny10     $YUV/Johnny_1280x720_60.yuv    1280x 720,   10 frames, 60.00 fps
 johnny100    $YUV/Johnny_1280x720_60.yuv    1280x 720,  100 frames, 60.00 fps
 cactus       $YUV/Cactus_1920x1080_50.yuv   1920x1080,  500 frames, 50.00 fps
 cactus10     $YUV/Cactus_1920x1080_50.yuv   1920x1080,   10 frames, 50.00 fps
 4people      $YUVTMP/FourPeople_1280x720_60.yuv 1280x 720,  600 frames, 60.00 fps
 4people100   $YUVTMP/FourPeople_1280x720_60.yuv 1280x 720,  100 frames, 60.00 fps
 slideedit    $YUVTMP/SlideEditing_1280x720_30.yuv 1280x 720,  300 frames, 30.00 fps
 slideedit100 $YUVTMP/SlideEditing_1280x720_30.yuv 1280x 720,  100 frames, 30.00 fps
 slideshow    $YUVTMP/SlideShow_1280x720_20.yuv 1280x 720,  500 frames, 20.00 fps
 slideshow100 $YUVTMP/SlideShow_1280x720_20.yuv 1280x 720,  100 frames, 20.00 fps
 screensharing $HOME/test-screensharing-encoding/Screensharing.yuv 1360x 768, 4715 frames, 60.00 fps