质量还是很不错的，参数如下：
Video Format : HEVC Format/Info : High Efficiency Video Coding Format profile : Format
[email protected]@High Codec ID : 36 Duration : 2 h 54 min Bit rate : 45.0 Mb/s Width : 3 840 pixels Height : 2 160 pixels Display aspect ratio : 16:9 Frame rate : 50.000 FPS Standard : Component Color space : YUV Chroma subsampling : 4:2:2 (Type 0) Bit depth : 10 bits Bits/(Pixel*Frame) : 0.109 Stream size : 54.8 GiB (93%) Color range : Limited Color primaries : BT.2020 Transfer characteristics : HLG Matrix coefficients : BT.2020 non-constant
链接：
https://pan.baidu.com/s/186aNUKo2UQA12DjWqJ8jRA 提取码：p45c
