CameraInfo中offset参数意义？

[Liter233]

我的设备为insta360 X5
vs2022
在输出camerainfo时其结果如下

===== Camera Info =====
Camera Name: Insta360 X5
Decode Type: 0
Gyro Timestamp: 1600000
Offset count: 3
  Offset[0]: 2_2.000000_4291.910_4291.470_2684.250_2687.750_-0.259_-0.011_89.729_0.000000_0.000000_0.000000_0.18322477_2.08857179_-3.36655450_0.00089921_0.00038060_10752_5376_113_2.000000_4278.090_4278.390_8066.330_2692.030_0.247_-0.221_89.754_0.000792_0.000132_-0.031986_0.18963484_2.04539418_-3.23319674_0.00101338_0.00195932_10752_5376_113_197632
  Offset[1]: 2_2663.416_2684.250_2687.750_-0.259_-0.011_89.729_0.000000_0.000000_0.000000_1.00000000_-0.18974844_0.27346808_-0.09002038_10752_5376_113_2658.524_8066.330_2692.030_0.247_-0.221_89.754_0.000792_0.000132_-0.031986_1.00000000_-0.18765773_0.27116153_-0.08905181_10752_5376_113_132096
  Offset[2]: 2_2657.621_2684.250_2687.750_-0.259_-0.011_89.729_2651.033_8066.330_2692.030_0.247_-0.221_89.754_10752_5376_1137
Window Crop Info:
  Src Width: 0
  Src Height: 0
  Dst Width: 0
  Dst Height: 0
  Crop Offset X: 0
  Crop Offset Y: 0

我想要了解Offset的参数意义；

此外，在查看dng文件与insp文件时，我发现dng文件的大小为11896 x 5944，而insp文件的大小为11904 x 5952,dng的大小并不是严格2:1的全景尺寸，我想了解一下dng图像是如何转换到insp的，其偏移量分别为多少？是否与offset的参数相关？