Erkennung von Matrix coeffecients

[Selur]

Ohne DebugOutput hab ich auch keine Ahnung, warum die Verwechslung auftritt oder wie ich sie nachstellen kann.
Wenn ich hier eine HDR Quelle mit BT2020nc aufrufe wird diese richtig erkannt:

<Container info Warnings="" Typ="File" ID="G:\TestClips&amp;Co\files\HDR\HDR10\LG_Chess_HDR.mp4" Path="G:\TestClips&amp;Co\files\HDR\HDR10\LG_Chess_HDR.mp4" Name="">
    <Stream info Typ="Video" Stretching="" ID="mp4_b8f789f335c53c56ef26d821bcf042cb_853323747" Input="G:\TestClips&amp;Co\files\HDR\HDR10\LG_Chess_HDR.mp4">
      <input_data name="VideoID" value="257">
        <input_data name="Format" value="HEVC"/>
        <input_data name="Frame count" value="6772"/>
        <input_data name="Frame rate" value="59.940"/>
        <input_data name="Interlacing" value="progressive"/>
        <input_data name="Video Delay" value="Container"/>
        <input_data name="Bit depth" value="10"/>
        <input_data name="Profile" value="Main 10@L5.1@High"/>
        <input_data name="Frame rate mode" value="CFR"/>
        <input_data name="Original width" value="3840"/>
        <input_data name="Original height" value="2160"/>
        <input_data name="width" value="3840"/>
        <input_data name="height" value="2160"/>
        <input_data name="Color" value="4:2:0"/>
        <input_data name="Color Space" value="YUV"/>
        <input_data name="Color Matrix" value="BT.2020 non-constant"/>
        <input_data name="Color Transfer" value="smpte2084"/>
        <input_data name="Color Primes" value="BT.2020"/>
        <input_data name="Master Display" value="G(13250,34500)B(7500,3000)R(34000,16000)WP(15635,16450)L(10000000,500)"/>
        <input_data name="TimeCode" value="1066.722222"/>
        <input_data name="Luminance scale" value="tv"/>
        <input_data name="Aspect ratio" value="1"/>
        <input_data name="SampledResolution" value="true"/>
        <input_data name="mp4ID" value="257"/>
        <input_data name="Raw video" value="false"/>
        <input_data name="Length" value="112.980"/>
        <input_data name="Chapter count" value="0"/>
        <input_data name="Chapter selection" value="0-0"/>
        <input_data name="Needs YUY2" value="false"/>
        <input_data name="Angles" value="1"/>
        <input_data name="vmf" value="false"/>
        <input_data name="Title" value="0"/>
        <input_data name="Selection length" value="112.98"/>
        <input_data name="Frame rate" value="59.940"/>
        <input_data name="Video stream count" value="1"/>
        <input_data name="Start pos" value="0"/>
        <input_data name="DVDInput" value="false"/>
      </input_data>
    </Stream info>
  </Container info>