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…
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…
Как нейросеть переводит видео. Часть 1: Whisper врёт, и мы это знаем
Я один пишу сервис дубляжа видео с 2022 года, когда OpenAI выложил Whisper и мне показалось, что дело на месяц. В 2026-м через конвейер прошло 9 203…
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…
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…
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…
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…
LiveAvaBot Developer API: Embed Telegram Video Avatar Conversion in Your App
I built @liveavabot last year to fix a stupid problem: iPhone videos silently fail as Telegram video avatars. The bot has processed conversions for…
Why Upscaling the Wrong Video File Makes Quality Worse: A Source-First Diagnostic Workflow
Disclosure: I work on PixelatedFix and have a commercial interest in video-quality diagnostics. The workflow below starts with source recovery, corr…
AV2 shipped its 1.0 encoder. Here's what to actually run in your pipeline instead.
TL;DR AOMedia released the AV2 reference encoder (1.0.0) at the end of May 2026. It's real, it's about 30% more efficient than AV1 on paper, and you…
FFmpeg 8.0 in practice: transcribe with the Whisper filter and probe av1_vulkan
TL;DR FFmpeg 8.0 "Huffman" adds a native whisper audio filter (transcription is now a filter, not a separate service) and av1_vulkan , a cross-vendo…
The state of media processing in Rust (2026): what each crate actually covers
Every few months someone asks how to decode video or pull audio samples in Rust, and the thread converges on the same advice: just run the ffmpeg bi…
"Is it actually running?" — the night I asked three times while stitching 17 images into one video
I run a little pipeline that builds history-explainer videos end to end — script, narration, images, video — all automatically, all by myself. Up un…
🛠️ How to Run a Privacy-First, Browser-Based Stream Downloader (FlowPick) — A Hands-On Tutorial
Hey folks 👋 If you've ever wanted to save a video lecture, a livestream replay, or a podcast episode for offline listening, you've probably run into…
Extracting video frames in Rust, in-process — no CLI, no hand-written decode loop
Here is a task that comes up constantly. You are doing inference in Rust — candle, burn, ort — and you want to feed a video to a model. Step one is…
Why iPhone Videos Silently Fail as Telegram Avatars (FFmpeg Fix)
My girlfriend tried to set a video avatar on her Telegram profile last month. Fresh clip from her iPhone 15, under ten seconds, looked great. Telegr…
Running FFmpeg on Heroku: The Ephemeral-Filesystem Trap (and the Fix)
Originally published at ffmpeg-micro.com Your FFmpeg pipeline works on localhost. You push to Heroku, trigger a transcode, and the job vanishes. No…