R4

• Use the new VapourSynth API V4
• Switch to 12-bit RGB HDR patterns (was shifted to 16-bit before)
• Tag 12-bit BT.2020 as 12-bit. No functional difference to always tagging it as 10-bit as before, but more correct.
• Update HDR patterns to ITU BT.2111-2
• Add 4fsc modes (digital composite)
• Add halfline blanking option to NTSC/PAL modes for extreme pedantry/authenticity
• Add SAR to frame properties
• Fix some compiler warnings

R3

Work with new API.

R2

Add BT.2111 HDR bars

Support HLG and PQ with the new "hdr" parameter.
Also rename "pixelformat" to "format" to be consistent with the core VS resize functions.

R1

Initial Commit