Posts tagged "ffmpeg"

FFmpeg upscale video the honest way: the lanczos scale command for 1080p and 4K, the bitrate math that decides how it looks, and when no scaler helps.

Replace audio in video API or FFmpeg CLI: measure drift with ffprobe, pad or trim instead of atempo, and re-burn captions against the new TTS timings.

TikTok's AI generated label isn't automatic: set it with is_aigc in the Direct Post call, then burn a visible disclosure that survives your re-encode.

Parse FFmpeg's -progress output for a real ffmpeg progress percentage: out_time_us against an ffprobe duration, speed= for ETA, and where parsing breaks.

scale_npp removed in FFmpeg 9.0 along with all libnpp filters. The scale_cuda rewrite for every -vf chain, plus what a rented GPU actually costs you now.

Make Black Friday video ad variants from one clip: 3 hooks x 4 placement ratios in 12 single-pass renders, with pad-vs-crop and safe-zone margins. No editor.

Most FFmpeg n8n Docker recipes break on n8n 2.x. Compare three working paths: the runners image plus fonts, a static-ffmpeg copy, and an HTTP call on Cloud.

To make FFmpeg add chapters you write an FFMETADATA file and remux with -c copy. The hard part is generating that file: TIMEBASE, escaping, and the last END.

FFmpeg 9.0 decodes animated WebP directly, so animated webp to mp4 is now one command. The alpha-channel gotcha, variable frame timing, and the API fallback.

n8n MP4 to GIF without a community node or custom Docker image: a webhook workflow that passes a video URL, runs the palette method, and returns a GIF link.