On 08.06.24 22:51, 'chaosjug' via hugin and other free panoramic
software wrote:
Some more info can be found here:
https://ffmpeg.org/ffmpeg-filters.html#v360
https://ffmpeg.org/ffmpeg-filters.html#sendcmd_002c-asendcmd
Thanks as well for these links! I've read through the documentation, and
it looks like ffmpeg is extremely capable when it comes to producing a
video from an environment. It knows a lot of output projections, and it
even does cubemaps! That took me quite some programming, and I did not
cover other cubemap formats like 3:2 - only 1:6 and six single images.
Dual fisheye format also turns up - that's another candidate I have in
mind to include in envutil, both as input and output. I did some work
with dual fisheyes in lux after someone sent me some sample images from
a Xiaomi mi sphere camera but didn't take it any further then - just
made a PTO to use the camera's image as input to lux.
I tried your example to produce the pan video here, and it worked, but I
think maybe there's an issue. I get this message:
[vost#0:0/libx264 @ 0x558d9c0040c0] More than 1000 frames duplicated
And the video seems to stagger a bit - like jump in small increments
from one view to the next, rather than panning smoothly. Maybe the yaw
angle is calculated in integer arithmetic instead of floating point?
Just a guess. I've played a bit with the cmd.txt, but I can't seem to
get rid of the duplicate frames.
--
A list of frequently asked questions is available at:
http://wiki.panotools.org/Hugin_FAQ
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