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Currently, I am trying to create a video that changes size using the ffmpeg concat function. However, I want to make the video hide, and the only way to do that is to make it a line. But, I want to make it 0x0.

Resizing using the magick command from imagemagick would not allow me to do so

Hex editing a png file allowed me to change the size down to 0x0, as confirmed by the file command

However, when I try to convert the image into a single frame webm file using ffmpeg, I get the error:

[png @ 0x5645c06e3ec0] Invalid image size
[png @ 0x5645c06e7000] Invalid PNG signature 0x00000000.
Error while decoding stream #0:0: Invalid data found when processing input
    Last message repeated 1 times
Cannot determine format of input stream 0:0 after EOF
Error marking filters as finished
Conversion failed!

Is there a way to hex edit the webm file to be 0x0, or will the same problem arise when I concat multiple files together using ffmpeg?

Thanks in advance!

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