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Tool information

Software:

NVHSP

Description:

NVHSP (aka NVENC HEVC Stream Patcher) adds missing HDR metadata (VUI and SEI) to HEVC streams. Those missing metadata is needed to trigger proper color or HDR modes on TVs or players such as color primaries, transfer characteristics, color matrix, MaxCLL and MaxFall, Mastering Display Parameters. It does not reconvert the video. Command line software (see All features how to use it).