#10912: d_fov and h_fov not working well when converting equirectangular to
rectilinear (v360)
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Reporter: 0kajuna0 | Owner: (none)
Type: defect | Status: new
Priority: normal | Component:
| undetermined
Version: git-master | Resolution:
Keywords: v360, | Blocked By:
equirect, rectilinear |
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Comment (by Michael Koch):
> We can try to correct this by specifying width and height, but the
result is still distorted
> % ffmpeg -i in.png -vf
v360=e:rectilinear:h_fov=56:v_fov=112:w=1440:h=2880 d.png
It's still distorted because you did use the wrong value for h.
The correct value would be: h = 1440 / tan(28°) * tan(56°) = 4015
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Ticket URL: <https://trac.ffmpeg.org/ticket/10912#comment:5>
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