It's getting further now but still errors -
Code:
Input #0, avisynth, from 'Standard.avs':
Duration: 00:01:56.83, start: 0.000000, bitrate: 0 kb/s
Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 1280x532, 23.98 fps, 23.98 tbr, 23.98
tbn, 23.98 tbc
[zscale @ 19ce05c0] [Eval @ 0028e6cc] Undefined constant or missing '(' in 'smpte2084'
[zscale @ 19ce05c0] Unable to parse option value "smpte2084"
[zscale @ 19ce05c0] [Eval @ 0028e6cc] Undefined constant or missing '(' in 'bt2020nc'
[zscale @ 19ce05c0] Unable to parse option value "bt2020nc"
[zscale @ 19ce05c0] [Eval @ 0028e6cc] Undefined constant or missing '(' in 'bt2020'
[zscale @ 19ce05c0] Unable to parse option value "bt2020"
[zscale @ 19ce05c0] [Eval @ 0028e6cc] Undefined constant or missing '(' in 'tv'
[zscale @ 19ce05c0] Unable to parse option value "tv"
[zscale @ 19ce05c0] [Eval @ 0028e6cc] Undefined constant or missing '(' in 'smpte2084'
[zscale @ 19ce05c0] Unable to parse option value "smpte2084"
[zscale @ 19ce05c0] [Eval @ 0028e6cc] Undefined constant or missing '(' in 'bt2020nc'
[zscale @ 19ce05c0] Unable to parse option value "bt2020nc"
[zscale @ 19ce05c0] [Eval @ 0028e6cc] Undefined constant or missing '(' in 'bt2020'
[zscale @ 19ce05c0] Unable to parse option value "bt2020"
[zscale @ 19ce05c0] [Eval @ 0028e6cc] Undefined constant or missing '(' in 'tv'
[zscale @ 19ce05c0] Unable to parse option value "tv"
[zscale @ 19ce05c0] [Eval @ 0028e71c] Undefined constant or missing '(' in 'smpte2084'
[zscale @ 19ce05c0] Unable to parse option value "smpte2084"
[zscale @ 19ce05c0] Error setting option tin to value smpte2084.
[Parsed_zscale_0 @ 19ce0b80] Error applying options to the filter.
[AVFilterGraph @ 031b18e0] Error initializing filter 'zscale' with args 'tin=smpte2084:min=bt2020nc:
pin=bt2020:rin=tv:t=smpte2084:m=bt2020nc:p=bt2020:r=tv'
Error opening filters!
x264 [error]: could not open input file `-'