hevc idr_w_radl 值如何得来

2671400dabd8a8f8bd05590363fee382769ad4210842eff7c5b18ab44e8d148bbe58318254df7fbb81e15c8235b5fcb1dab2c07c1995191adb
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
如何计算得出 IDR_W_RADL : 2601ACEC1D