Terence Eden. He has a beard and is smiling.

Terence Eden’s Blog

Theme Switcher:

Reprojecting Dual Fisheye Videos to Equirectangular (LG 360)

· 500 words · Viewed ~1,033 times


Dual fisheye photo of us and some elephants.

I still use my obsolete LG 360 Camera. When copying MP4 videos from its SD card, they come out in "Dual Fisheye" format - which looks like this: VLC and YouTube will only play "Equirectangular" videos in spherical mode. So, how to convert a dual fisheye to equirectangualr? The Simple Way ffmpeg \ -i original.mp4 \ -vf "v360=input=dfisheye:output=equirect:ih_fov=189:iv_fov=189" \ …

M🞵A🞵S🞵H - De-Specialised Edition

· 4 comments · 500 words · Viewed ~537 times


The top and bottom are cropped but there's more details at the edges.

A few years ago, classic TV comedy MASH, was remastered and released on streaming platforms. The picture quality was massively increased with just one minor flaw. They cropped the image to 16:9 widescreen 😱 This upset some fans. The thing about widescreen is that it chops off the top and bottom of the picture. The top of Hawkeye's head? Gone! The bottom of Hot-Lips' boots? Vanished! אױ װײ איז …

HOWTO: Split WAV and CUE files on Linux

· 2 comments · 450 words · Viewed ~1,072 times


A cute penguin.

Mostly notes to myself, as a follow-up to this older post. This is a 3-step process. Add the file to an MKV Use MKVmerge: mkvmerge "audio.wav" --chapters "audio.cue" -o "audio.mkv" You can see that chapter names have been added to the .mkv if you run ffmpeg -i or mkvinfo. Split the MKV by chapter This generates one file per chapter: mkvmerge -D -S "audio.mkv" --split chapters:all -o…