If you are looking to preserve HDR quality, is the industry standard.
: HDR typically requires BT.2020 color primaries. Discussions among experts, such as those on r/ffmpeg , note that x264 lacks the necessary support for these HDR-specific color spaces. x264-hdr
x264-HDR: Compatibility and Implementation Challenges Technically, metadata or the specific color spaces (such as BT.2020 or SMPTE 2084) required for a true HDR experience. While x264 is a powerful, open-source library for encoding video into the H.264/AVC format, it is largely considered a legacy choice for HDR content compared to its successor, x265 (HEVC). The Technical Gap If you are looking to preserve HDR quality,