Fill and Fit video transformation
See original GitHub issueIt looks to be not really obvious how to transform video size to Fill or Fit the new requested frame size. Will appreciate any guidance on how it’s possible to do that in a proper way.
For example, I have a video with the following params:
sourceWidth = 2160
sourceHeight = 3840
rotation = -0.0
and I’m willing to transform it to the following size and fill the frame:
width = 1080
height = 592
This code will work for me:
Transform(
PointF(1 + sourceWidth.toFloat() % width, (sourceHeight.toFloat() / height) / (sourceWidth / width)),
PointF(0.5f, 0.5f),
rotation,
)
However, the same logic won’t work for:
sourceWidth = 720
sourceHeight = 1280
rotation = -90.0
Even assuming we are rotating the video from 90 to 0 degrees I’ve tried to replace x with y, but still no luck. The frame is being stretched.
There are many different scenarios of transformation I need to handle such:
- Square video (FILL/FIT)
- Portrait video 16/9 (FILL/FIT)
- Landscape video 9/16 (FILL/FIT)
- Original video size (FILL/FIT) where initial size is determined by the first uploaded video. All these options could be applied for video sets with different video sizes, so I need some generic logic here to calculate the final transformation.
Issue Analytics
- State:
- Created a year ago
- Comments:12 (4 by maintainers)
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Yes, please close it.
On Mon, Nov 7, 2022, 4:52 PM Izzat Bahadirov @.***> wrote:
@izzytwosheds thanks for the explanation! I guess it works for me when I’m setting rotation to 0 in the target track object. I’ll keep testing and will let you know if something won’t work as expected.