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HDR10 data missing

See original GitHub issue

I have noticed that for somes files fastflix is unable to find the hdr10 metadatas and i don’t understand why because i saw them in the first frame :

ffprobe.exe  -hide_banner -loglevel warning -select_streams v -print_format json -show_frames -read_intervals "%+#1" -show_entries "frame=color_space,color_primaries,color_transfer,side_data_list,pix_fmt" -i The.movie.mkv
{
[matroska,webm @ 0000024122212800] Could not find codec parameters for stream 5 (Subtitle: hdmv_pgs_subtitle (pgssub)): unspecified size
Consider increasing the value for the 'analyzeduration' (0) and 'probesize' (5000000) options
    "frames": [
        {
            "pix_fmt": "yuv420p10le",
            "color_space": "bt2020nc",
            "color_primaries": "bt2020",
            "color_transfer": "smpte2084",
            "side_data_list": [
                {
                    "side_data_type": "Mastering display metadata",
                    "red_x": "35400/50000",
                    "red_y": "14600/50000",
                    "green_x": "8500/50000",
                    "green_y": "39850/50000",
                    "blue_x": "6550/50000",
                    "blue_y": "2300/50000",
                    "white_point_x": "15635/50000",
                    "white_point_y": "16450/50000",
                    "min_luminance": "20/10000",
                    "max_luminance": "10000000/10000"
                },
                {
                    "side_data_type": "Content light level metadata",
                    "max_content": 992,
                    "max_average": 518
                }
            ]
        }
    ]
}