Encoder nvenc_h264 [NVIDIA NVENC H.264 encoder]:
    General capabilities: delay hardware 
    Threading capabilities: none
    Supported pixel formats: yuv420p nv12 p010le yuv444p p016le yuv444p16le bgr0 rgb0 cuda d3d11
nvenc_h264 AVOptions:
  -preset            <int>        E..V..... Set the encoding preset (from 0 to 11) (default medium)
     default         0            E..V..... 
     slow            1            E..V..... hq 2 passes
     medium          2            E..V..... hq 1 pass
     fast            3            E..V..... hp 1 pass
     hp              4            E..V..... 
     hq              5            E..V..... 
     bd              6            E..V..... 
     ll              7            E..V..... low latency
     llhq            8            E..V..... low latency hq
     llhp            9            E..V..... low latency hp
     lossless        10           E..V..... 
     losslesshp      11           E..V..... 
  -profile           <int>        E..V..... Set the encoding profile (from 0 to 3) (default main)
     baseline        0            E..V..... 
     main            1            E..V..... 
     high            2            E..V..... 
     high444p        3            E..V..... 
  -level             <int>        E..V..... Set the encoding level restriction (from 0 to 51) (default auto)
     auto            0            E..V..... 
     1               10           E..V..... 
     1.0             10           E..V..... 
     1b              9            E..V..... 
     1.0b            9            E..V..... 
     1.1             11           E..V..... 
     1.2             12           E..V..... 
     1.3             13           E..V..... 
     2               20           E..V..... 
     2.0             20           E..V..... 
     2.1             21           E..V..... 
     2.2             22           E..V..... 
     3               30           E..V..... 
     3.0             30           E..V..... 
     3.1             31           E..V..... 
     3.2             32           E..V..... 
     4               40           E..V..... 
     4.0             40           E..V..... 
     4.1             41           E..V..... 
     4.2             42           E..V..... 
     5               50           E..V..... 
     5.0             50           E..V..... 
     5.1             51           E..V..... 
  -rc                <int>        E..V..... Override the preset rate-control (from -1 to INT_MAX) (default -1)
     constqp         0            E..V..... Constant QP mode
     vbr             1            E..V..... Variable bitrate mode
     cbr             2            E..V..... Constant bitrate mode
     vbr_minqp       8388612      E..V..... Variable bitrate mode with MinQP (deprecated)
     ll_2pass_quality 8388616      E..V..... Multi-pass optimized for image quality (deprecated)
     ll_2pass_size   8388624      E..V..... Multi-pass optimized for constant frame size (deprecated)
     vbr_2pass       8388640      E..V..... Multi-pass variable bitrate mode (deprecated)
     cbr_ld_hq       8            E..V..... Constant bitrate low delay high quality mode
     cbr_hq          16           E..V..... Constant bitrate high quality mode
     vbr_hq          32           E..V..... Variable bitrate high quality mode
  -rc-lookahead      <int>        E..V..... Number of frames to look ahead for rate-control (from 0 to INT_MAX) (default 0)
  -surfaces          <int>        E..V..... Number of concurrent surfaces (from 0 to 64) (default 0)
  -cbr               <boolean>    E..V..... Use cbr encoding mode (default false)
  -2pass             <boolean>    E..V..... Use 2pass encoding mode (default auto)
  -gpu               <int>        E..V..... Selects which NVENC capable GPU to use. First GPU is 0, second is 1, and so on. (from -2 to INT_MAX) (default any)
     any             -1           E..V..... Pick the first device available
     list            -2           E..V..... List the available devices
  -delay             <int>        E..V..... Delay frame output by the given amount of frames (from 0 to INT_MAX) (default INT_MAX)
  -no-scenecut       <boolean>    E..V..... When lookahead is enabled, set this to 1 to disable adaptive I-frame insertion at scene cuts (default false)
  -forced-idr        <boolean>    E..V..... If forcing keyframes, force them as IDR frames. (default false)
  -b_adapt           <boolean>    E..V..... When lookahead is enabled, set this to 0 to disable adaptive B-frame decision (default true)
  -spatial-aq        <boolean>    E..V..... set to 1 to enable Spatial AQ (default false)
  -temporal-aq       <boolean>    E..V..... set to 1 to enable Temporal AQ (default false)
  -zerolatency       <boolean>    E..V..... Set 1 to indicate zero latency operation (no reordering delay) (default false)
  -nonref_p          <boolean>    E..V..... Set this to 1 to enable automatic insertion of non-reference P-frames (default false)
  -strict_gop        <boolean>    E..V..... Set 1 to minimize GOP-to-GOP rate fluctuations (default false)
  -aq-strength       <int>        E..V..... When Spatial AQ is enabled, this field is used to specify AQ strength. AQ strength scale is from 1 (low) - 15 (aggressive) (from 1 to 15) (default 8)
  -cq                <float>      E..V..... Set target quality level (0 to 51, 0 means automatic) for constant quality mode in VBR rate control (from 0 to 51) (default 0)
  -aud               <boolean>    E..V..... Use access unit delimiters (default false)
  -bluray-compat     <boolean>    E..V..... Bluray compatibility workarounds (default false)
  -init_qpP          <int>        E..V..... Initial QP value for P frame (from -1 to 51) (default -1)
  -init_qpB          <int>        E..V..... Initial QP value for B frame (from -1 to 51) (default -1)
  -init_qpI          <int>        E..V..... Initial QP value for I frame (from -1 to 51) (default -1)
  -qp                <int>        E..V..... Constant quantization parameter rate control method (from -1 to 51) (default -1)
  -weighted_pred     <int>        E..V..... Set 1 to enable weighted prediction (from 0 to 1) (default 0)
  -coder             <int>        E..V..... Coder type (from -1 to 2) (default default)
     default         -1           E..V..... 
     auto            0            E..V..... 
     cabac           1            E..V..... 
     cavlc           2            E..V..... 
     ac              1            E..V..... 
     vlc             2            E..V..... 
  -b_ref_mode        <int>        E..V..... Use B frames as references (from 0 to 2) (default disabled)
     disabled        0            E..V..... B frames will not be used for reference
     each            1            E..V..... Each B frame will be used for reference
     middle          2            E..V..... Only (number of B frames)/2 will be used for reference
  -a53cc             <boolean>    E..V..... Use A53 Closed Captions (if available) (default true)


