maxime@mardi:~/apertus/20200514$ raw2dng test_snap_r_b_x1.raw12

test_snap_r_b_x1.raw12
Resolution  : 4096 x 3072
Frame size  : 18874368 bytes
Bayer Order : GBRG 
Exposure    : 0.990192 ms
Gain        : x1
Offset      : 2000
Black level : 128
White level : 4095
Not found   : gainframe-x1.pgm
Not found   : clipframe-x1.pgm
Dark frame  : darkframe-x1.pgm
Dark current: dcnuframe-x1.pgm x 1.0
Even rows   : 160...182
Odd rows    : 166...199
Row noise from black columns...
Fixed freq  : 1/256.2 (mag=4.36)
Fixed freq  : 1/242.4 (mag=3.81)
Fixed freq  : 1/228.6 (mag=2.92)
Fixed freq  : 1/144.2 (mag=2.37)
Fixed freq  : 1/139.6 (mag=2.31)
Fixed freq  : 1/66.67 (mag=2.45)
Fixed freq  : 1/65.73 (mag=2.45)
Fixed freq  : 1/216.1 (mag=2.19)
Fixed freq  : 1/110.1 (mag=2.1)
Fixed freq  : 1/112.9 (mag=2.11)
Fixed freq  : 1/67.68 (mag=1.94)
Fixed freq  : 1/121.9 (mag=1.98)
Fixed freq  : 1/102.8 (mag=2.08)
Fixed freq  : 1/162.7 (mag=1.78)
Fixed freq  : 1/77.26 (mag=1.98)
Fixed freq  : 1/118.4 (mag=1.81)
Fixed freq  : 1/127.1 (mag=1.7)
Fixed freq  : 1/63.18 (mag=2.07)
Fixed freq  : 1/106.1 (mag=1.78)
Fixed freq  : 1/64.13 (mag=1.65)
Fixed freq  : 1/244.5 (mag=1.58)
Fixed freq  : 1/75.9 (mag=1.57)
Fixed freq  : 1/72.25 (mag=1.62)
Fixed freq  : 1/70.95 (mag=1.68)
Fixed freq  : 1/204 (mag=1.54)
Fixed freq  : 1/231.7 (mag=1.5)
Fixed freq  : 1/181.8 (mag=1.51)
Fixed freq  : 1/256.2 (mag=2.87)
Fixed freq  : 1/245.9 (mag=1.91)
Fixed freq  : 1/131.4 (mag=1.63)
Fixed freq  : 1/155.9 (mag=1.75)
Fixed freq  : 1/215.9 (mag=1.37)
Fixed freq  : 1/60.41 (mag=1.76)
Fixed freq  : 1/59.64 (mag=1.38)
Fixed freq  : 1/46.84 (mag=1.34)
Fixed freq  : 1/100.2 (mag=1.6)
Fixed freq  : 1/227.6 (mag=1.28)
Fixed freq  : 1/78.67 (mag=1.51)
Fixed freq  : 1/109.2 (mag=1.25)
Fixed freq  : 1/24.9 (mag=1.25)
Fixed freq  : 1/142.5 (mag=1.19)
Fixed freq  : 1/123.1 (mag=1.15)
Fixed freq  : 1/87.87 (mag=1.07)
Fixed freq  : 1/43.71 (mag=1.09)
Fixed freq  : 1/202.7 (mag=1.07)
Fixed freq  : 1/147.6 (mag=1.11)
Fixed freq  : 1/48.98 (mag=1.03)
Fixed freq  : 1/162.8 (mag=1.01)
Fixed freq  : 1/176.6 (mag=0.97)
Fixed freq  : 1/115.4 (mag=0.939)
Fixed freq  : 1/57.69 (mag=0.9)
Fixed freq  : 1/56.93 (mag=1)
Fixed freq  : 1/53.97 (mag=1.02)
Fixed freq  : 1/60.94 (mag=0.976)
Fixed freq  : 1/86 (mag=0.866)
Fixed freq  : 1/90.73 (mag=1)
Fixed freq  : 1/93.17 (mag=1)
Fixed freq  : 1/45.58 (mag=1.01)
Fixed freq  : 1/73.6 (mag=1.16)
Fixed freq  : 1/134.3 (mag=0.955)
Fixed freq  : 1/211.5 (mag=0.847)
Fixed freq  : 1/239.5 (mag=0.923)
Fixed freq  : 1/256.2 (mag=2.1)
Fixed freq  : 1/228.3 (mag=1.22)
Fixed freq  : 1/245.3 (mag=1.26)
Fixed freq  : 1/190.1 (mag=1.19)
Fixed freq  : 1/200 (mag=1.06)
Fixed freq  : 1/182.1 (mag=0.842)
Fixed freq  : 1/215.2 (mag=0.866)
Fixed freq  : 1/127.7 (mag=0.841)
Fixed freq  : 1/25.03 (mag=1.09)
Fixed freq  : 1/25.75 (mag=0.978)
Fixed freq  : 1/25.61 (mag=0.981)
Fixed freq  : 1/171.9 (mag=0.84)
Fixed freq  : 1/31.19 (mag=1.01)
Fixed freq  : 1/30.93 (mag=0.976)
Fixed freq  : 1/102.6 (mag=0.83)
Fixed freq  : 1/81.6 (mag=0.732)
Fixed freq  : 1/77.37 (mag=1.02)
Fixed freq  : 1/72.35 (mag=0.748)
Fixed freq  : 1/118.6 (mag=0.739)
Fixed freq  : 1/189.9 (mag=0.732)
Fixed freq  : 1/228.6 (mag=0.747)
Fixed freq  : 1/161.9 (mag=0.693)
Fixed freq  : 1/241.5 (mag=0.744)
Fixed freq  : 1/256.2 (mag=1.59)
Fixed freq  : 1/247.8 (mag=0.934)
Fixed freq  : 1/202.3 (mag=0.862)
Fixed freq  : 1/232.4 (mag=0.835)
Fixed freq  : 1/217.3 (mag=0.836)
Fixed freq  : 1/155 (mag=0.84)
Fixed freq  : 1/180.5 (mag=0.802)
Fixed freq  : 1/83.26 (mag=0.907)
Fixed freq  : 1/58.65 (mag=0.8)
Fixed freq  : 1/70.2 (mag=0.928)
Fixed freq  : 1/68.87 (mag=0.84)
Fixed freq  : 1/66.93 (mag=0.935)
Fixed freq  : 1/243.8 (mag=0.686)
Fixed freq  : 1/52.4 (mag=0.794)
Fixed freq  : 1/51.71 (mag=0.76)
Fixed freq  : 1/30.38 (mag=0.728)
Fixed freq  : 1/29.62 (mag=0.721)
Fixed freq  : 1/190.7 (mag=0.647)
Fixed freq  : 1/106.1 (mag=0.741)
Fixed freq  : 1/96.94 (mag=0.695)
Fixed freq  : 1/33.29 (mag=0.73)
Fixed freq  : 1/14.23 (mag=0.674)
Fixed freq  : 1/14.28 (mag=0.668)
Fixed freq  : 1/37.07 (mag=1.02)
Fixed freq  : 1/139.4 (mag=0.619)
Fixed freq  : 1/123.3 (mag=0.628)
Fixed freq  : 1/229.5 (mag=0.689)
Fixed freq  : 1/170.9 (mag=0.656)
Fixed freq  : 1/22.15 (mag=0.631)
Fixed freq  : 1/27.33 (mag=0.726)
Fixed freq  : 1/48.44 (mag=1.04)
Fixed freq  : 1/47.43 (mag=0.694)
Fixed freq  : 1/47.92 (mag=0.661)
Fixed freq  : 1/215.5 (mag=0.57)
Fixed freq  : 1/146.4 (mag=0.577)
Fixed freq  : 1/99.32 (mag=0.578)
Fixed freq  : 1/88.38 (mag=0.594)
Fixed freq  : 1/202.7 (mag=0.582)
Fixed freq  : 1/241.6 (mag=0.623)
Fixed freq  : 1/256.2 (mag=1.66)
Fixed freq  : 1/247.5 (mag=0.946)
Fixed freq  : 1/231.9 (mag=0.942)
Fixed freq  : 1/161.6 (mag=0.675)
Fixed freq  : 1/178.5 (mag=0.589)
Fixed freq  : 1/53.1 (mag=0.635)
Fixed freq  : 1/26.73 (mag=0.617)
Fixed freq  : 1/61.98 (mag=0.806)
Fixed freq  : 1/216.9 (mag=0.555)
Fixed freq  : 1/134.8 (mag=0.687)
Fixed freq  : 1/129.9 (mag=0.595)
Fixed freq  : 1/79.37 (mag=0.666)
Fixed freq  : 1/243 (mag=0.555)
Fixed freq  : 1/190 (mag=0.604)
Fixed freq  : 1/90.59 (mag=0.591)
Fixed freq  : 1/49.64 (mag=0.897)
Fixed freq  : 1/139.7 (mag=0.536)
Fixed freq  : 1/114.3 (mag=0.584)
Fixed freq  : 1/170.2 (mag=0.539)
Fixed freq  : 1/199.3 (mag=0.596)
Fixed freq  : 1/227.6 (mag=0.595)
Fixed freq  : 1/153.5 (mag=0.612)
Fixed freq  : 1/63.06 (mag=0.646)
Fixed freq  : 1/75.18 (mag=0.846)
Fixed freq  : 1/44.21 (mag=0.826)
Fixed freq  : 1/43.39 (mag=0.596)
Fixed freq  : 1/35.1 (mag=0.552)
Fixed freq  : 1/65.17 (mag=0.673)
Output file : test_snap_r_b_x1.DNG
Done.

maxime@mardi:~/apertus/20200514$ cat test_snap_r_b_x1.raw12 | raw2dng snap_rbx1.DNG

snap_rbx1.DNG
Resolution  : 4096 x 3072
Frame size  : 18874368 bytes
Bayer Order : GBRG 
Black level : 128
White level : 4095
Output file : snap_rbx1.DNG
Done.

maxime@mardi:~/apertus/20200514$ ls
darkframe-x1.pgm  snap_rbx1.DNG           test_snap_r_b_x1_rnfilter1.DNG
dcnuframe-x1.pgm  test_snap_r_b_x1.DNG    test_snap_r_b_x1_rnfilter2.DNG
old               test_snap_r_b_x1.raw12
maxime@mardi:~/apertus/20200514$