I Extracted the Audio From 20 Video Files in 2.2 Seconds — Here's the Batch Pipeline
I help maintain a small archive of recorded meetings and talks. The videos are useful, but nobody re-watches a 40-minute recording to find one decis…
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Three ffmpeg Filters Looked for a Person Crossing a Still Camera's View. One Found Them
Continuous recording has an obvious cost: hours of a picture in which nothing changes, with the few seconds you care about somewhere inside. The usu…
From 63 seconds to 60: checking a game trailer against its timeline and video files
Even a short game trailer fills up quickly with a title, combat, upgrades, bosses, and a destination to play. Removing a few seconds at the end does…
Рендерим обучающие 3D‑ролики кодом на React и Three.js вместо съёмок и AI‑видео
Я делаю мобильное образовательное приложение. В какой‑то момент понадобилось объяснять пользователям сложные сценарии, где объекты двигаются по…
Build a Python Subtitle Generator with ffmpeg: A Step-by-Step Guide
A step-by-step guide to converting narration scripts into broadcast-ready SRT files — zero external dependencies. The SRT format An SRT file is simp…
ffmpeg.wasm: "memory access out of bounds" is usually not about memory (and 4 more slideshow gotchas)
I spent three iterations getting a browser-only "photos to video" tool working on top of ffmpeg.wasm. Everything runs client-side, nothing is upload…
# LibreWolf Stopped Playing Videos After the FFmpeg 9 Update
After a recent system update on Arch Linux, video playback in LibreWolf suddenly stopped working. At first, it wasn't obvious what had changed. I we…
Evaluating Video API Architectures: Dynamic URL Transformations vs Pre-Rendered HLS Manifests
Dynamic URL video transformation allows real-time cropping, codec switching, and quality adjustments at edge nodes, eliminating the need to pre-enco…
1700 строк JS и ни одного видеофайла: как ИИ-агент снимает кино на Canvas и рендерит его в MP4
В этом минутном фильме нет ни одной картинки, видеофайла или сэмпла. Огонь, гравюру, 3D-сферу, пиксельную игру и музыку рисует и синтезирует один HT…
I built a pipeline that turns a topic into a 20-30 minute documentary
I've been working on AI Video Factory, an MIT-licensed Python pipeline that turns a topic into a complete 20-30 minute documentary: researched scrip…
Building a YouTube Shorts Downloader: Why It’s Harder Than It Looks
Paste a URL, click a button, get an MP4. At first glance, a YouTube Shorts downloader sounds like one of the simplest web tools you could build. But…
Which Video Format Is Actually Smallest? H.264 vs VP9 vs AV1, Measured
"Convert it to MP4 to save space" is advice you hear constantly, and it's mostly wrong. MP4 is a container — a box that holds video, audio and metad…
I built a free in-browser video compressor — the file never leaves your device
I wanted a compressor I could trust with client footage. Most "online video compressor" sites upload the file to a server. That's slow, and it's a p…
Как программа для записи ужимается в 40 МБ ОЗУ, пока OBS ест полгига
На Windows для захвата экрана есть два классических пути: GDI (медленно и печально) и DXGI Desktop Duplication API. HomRec использует второй вариант…
HeyGen + Telegram Avatar: Fixing the Format Gap with ffmpeg
I've been using HeyGen to create talking-head clips for product demos. The results look good. But when I tried to set one as my Telegram video avata…
Build a repeatable banding test with FFmpeg (and find the ladder rung that breaks first)
TL;DR Banding arguments go in circles because everyone tests on different footage. We are going to generate a synthetic gradient, encode it four way…
FFMPEG to the rescue, again
LinkedIn is going to be one of my direct integrations, if it's possible, so that I can write an article once and publish it on my own platform and d…
Building a 5.1ch Surround Upmixer GUI with Python & FFmpeg
Building a 5.1ch Surround Upmixer GUI with Python & FFmpeg Ever wanted to watch a movie or listen to live music with true surround sound, but on…
Alpha канал и конвертация изображений в пиксельный формат ARGB. Конвертация форматов gif, webp, mov, mp4, png через Bash
В этой статье приведены: паттерны команд Bash в формате скрипта make_window_icon_txt.sh , а также добавление alpha канала с помощью Bash-скрипта ути…
Frame-accurate FFmpeg trimming without re-encoding the whole file
TL;DR -c copy can only cut on keyframes, so your 12.4s trim starts wherever the last keyframe was. We'll build a smart-trim script that probes keyfr…
Скролл-фильм на лендинге весил 84 МБ. WebCodecs ужал его до 18 — вот что сработало, а что нет
Скролл-фильм на лендинге — это обычно сотни WebP и десятки мегабайт. Рассказываю, как заменил секвенции кадров сырым H.264-потоком без контейнера и…
How I recorded my first product demo in 54 seconds (OBS, ffmpeg, openai.fm)
I shipped my first product demo video this week for Convertify (my free image converter). 54 seconds, no team, no budget. Here is the exact toolchai…
FFmpeg.wasm in production: deadlocks, a 2 GB ceiling and a codec that lies to users
FFmpeg.wasm can hang forever with no error, no log and no way out except killing the tab. That happened to roughly one in ten heavy jobs before I sh…
Four Ways My Unattended Video Pipeline Died Overnight — and How I Made It Heal Itself
The morning after I lost my job, my Mac finished and filed an ASMR video. Nobody asked it to. It just ran. In the first post, I walked through the s…
Zero GPU Cost and 4-Minute Daily Runs — Making Real Rain Fall on a Still Image with ffmpeg displace
A 30-minute ASMR rain video costs me nothing but electricity, and the daily job that builds it dropped from 7–8 minutes to a little over 4. No video…
I redacted my username from a screen recording three times and missed it every time
Originally published on my own site . I make a desktop AI agent. I recorded a demo of it writing files, and the approval dialog showed /Users/<my…
Detect variable frame rate uploads with ffprobe and normalize them before they break your pipeline
TL;DR Screen recordings from OBS, QuickTime, Loom and phone capture are variable frame rate. Feed them to a transcoder that assumes constant frame r…
Converting iPhone HEVC Videos to Telegram Video Avatars With ffmpeg
The Silent Failure Nobody Warns You About You take a nice short clip on your iPhone. You open Telegram, go to Settings, tap your avatar, choose "Set…
HTML in, MP4 out: rendering a video with HyperFrames instead of an editor
Originally published on dhseadev.online . I did not open a video editor to make this. I described a video, and the agent stack I run every day rende…
Mediax: FFmpeg's Cooler Cousin 🚀
FFmpeg is powerful, but the syntax? A nightmare. So I built Mediax. 36 intuitive verbs. Interactive TUI. One-line install. Convert, compress, trim,…