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Inverse telecine, deinterlacing variants, and frame-rate conversion with ffmpeg: fieldmatch, decimate, pullup, detelecine, mpdecimate, dejudder, w3fdif, separatefields, weave, tinterlace, kerndeint, estdif, phase, repeatfields, vfrdet, fieldhint, fieldorder, il, mcdeint, telecine. Use when the us...
Professional broadcast and film delivery with ffmpeg: MXF (SMPTE 377M OP1a/OP-Atom) mux/demux, IMF (Interoperable Master Format SMPTE 2067) for Netflix/studio delivery, GXF, broadcast timecode (drop-frame / non-drop-frame), SMPTE 2022 / SMPTE 2110 IP essences, XDCAM profiles. Use when the user as...
Metadata, chapters, and cover art authoring with ffmpeg: -metadata, -metadata:s:a:0, -map_metadata, ffmetadata chapter files, -attach, -disposition attached_pic, MKV edition entries, stream titles, language tags, tag writing for MP4/MKV/MP3/FLAC. Use when the user asks to add chapters, edit tags,...
Preview and debug media with ffplay: quick A/V preview, filter-graph testing (-vf/-af), loudness meter (ebur128), AV-sync debug, seek/loop, show waveform/spectrum/vectorscope, pixel format overlay. Use when the user asks to preview a video, play back a file quickly, test a filter with live output...
Measure encode quality with ffmpeg reference-vs-distorted filters: libvmaf (Netflix VMAF), psnr, ssim, vmafmotion, identity, msad, blockdetect, blurdetect. Use when the user asks to measure VMAF, run VMAF scoring, compute PSNR, compute SSIM, compare encoded vs source quality, benchmark a codec, f...
Advanced streaming protocols with ffmpeg: RIST (rist://, Reliable Internet Streaming Transport for contribution), ZMQ (zmq:// for real-time filter-graph control via ZeroMQ), prompeg (SMPTE 2022-1 forward-error-correction), icecast (radio / shoutcast streaming), RTP-MPEGTS with FEC. Use when the u...
Video stabilization with ffmpeg: 2-pass vidstabdetect + vidstabtransform (vid.stab library), single-pass deshake, deshake_opencl, and rolling-shutter correction. Use when the user asks to stabilize shaky footage, smooth out handheld video, fix camera shake, de-wobble a GoPro clip, fix rolling shu...
VapourSynth integration with ffmpeg: vapoursynth demuxer reads VapourSynth script (.vpy) output as a video source for ffmpeg, enabling Python-based frame-server filtering with plugins like QTGMC (deinterlace), KNLMeansCL (denoise), dfttest, BM3DCUDA, MVTools, SVPflow, AviSynth+ compat. Use when t...
Inspect media files with ffprobe: format, streams, codecs, duration, bitrate, resolution, fps, color space, channel layout, metadata, chapters, and per-frame/packet analysis, output as JSON/CSV/INI/XML. Use when the user asks to inspect a video, check codec, get resolution/bitrate/fps/duration, d...
Transcode video/audio between codecs and containers with ffmpeg (H.264, HEVC, AV1, VP9, ProRes, AAC, Opus; MP4, MKV, WebM, MOV). Use when the user asks to convert a video, change codec, re-encode, reduce file size with CRF, target a bitrate, do 2-pass encoding, change container, or make a file we...
Apply video filters with ffmpeg -vf / -filter_complex: scale, crop, pad, rotate/transpose, fps, setsar, deinterlace (yadif/bwdif), overlay, hstack/vstack, drawtext, drawbox, color (curves, eq, colorchannelmixer), denoise, sharpen, blur, fade, zoompan. Use when the user asks to resize, crop, rotat...
Tether DSLR / mirrorless cameras via USB or PTP/IP using gphoto2 (gphoto.org) + libgphoto2: --auto-detect, --list-cameras, --capture-image, --capture-image-and-download, --capture-preview (live-view JPEG), --capture-movie, --capture-tethered (wait for shutter release), --list-files, --get-file, -...
Author Dolby Vision RPU dynamic metadata with dovi_tool: info (parse RPU + per-frame JSON), generate (RPU from XML/JSON/HDR10+/madVR), editor (JSON-driven edits), export (RPU to JSON / scene markers / L5), plot (level graphs), convert (profile 7 to 8.1), demux (BL+EL split), mux (BL+EL recombine)...
Author HDR10+ dynamic metadata with hdr10plus_tool: extract (HDR10+ metadata out of HEVC/MKV to Samsung-compatible JSON with scene info), inject (HDR10+ SEI NAL units into HEVC Annex-B before slice data), remove (strip HDR10+ NAL units), plot (brightness-metadata PNG), editor (JSON-driven edits: ...
Read and write EXIF, IPTC, XMP, GPS, and maker-note metadata for photos and videos with ExifTool (exiftool -g -json -P -overwrite_original). Use when the user asks to read EXIF tags, edit photo metadata, strip GPS data from images, write IPTC keywords, set camera model, shift timestamps across a ...
Higher-level EBU R128 loudness normalization with ffmpeg-normalize: 2-pass loudnorm batch wrapper, target loudness/TP/LRA, preserves streams, works across directories, output format selection, dry-run plan. Use when the user asks to batch-normalize audio loudness, apply EBU R128 across many files...
Advanced MP4 / ISOBMFF authoring and diagnostics with GPAC (MP4Box, gpac): fragmented MP4, DASH+CMAF packaging, MP4 surgery (extract, dump, edit boxes), CENC encryption, sidx injection, sub-track management, raw track export, BIFS/LASeR, ROUTE/DVB-MABR. Use when the user asks to use MP4Box, fragm...
Video transcoding with HandBrake CLI (HandBrakeCLI): smart presets (Fast / HQ / Super HQ / Apple iPhone / iPad / Apple TV / Discord / YouTube), 2-pass encoding, automatic black-bar auto-crop, built-in denoise/deinterlace, queue batch, chapter preservation. Use when the user asks to transcode with...
Matroska (MKV) authoring with MKVToolNix (mkvmerge, mkvextract, mkvpropedit, mkvinfo): split or merge MKV without re-encode, extract tracks, edit chapter titles, add attachments, change track metadata in-place, fix header compression, adjust default/forced flags. Use when the user asks to split a...
Automatic subtitle synchronization with alass and ffsubsync: align SRT/ASS/VTT timings to video audio, fix out-of-sync captions, shift by fixed offset, handle variable drift, framerate mismatch correction. Use when the user asks to sync subtitles, fix out-of-sync SRT, auto-align captions to audio...
Speech-to-text transcription and subtitle generation with whisper.cpp and faster-whisper: extract spoken text from audio/video, generate SRT/VTT subtitles, translate speech to English, word-level timestamps, multilingual support, speaker diarization optional. Use when the user asks to transcribe ...
Remote-control a running OBS Studio instance via obs-websocket (WebSocket API, default port 4455): authenticate with SHA-256 challenge+salt, Identify handshake, start/stop streaming and recording, switch scenes, toggle sources and filters, set audio mixer levels, trigger replay buffer + virtual c...
Convert and manipulate editorial timelines with OpenTimelineIO (OTIO) CLIs: otioconvert (format-to-format: EDL/FCP7-XML/FCPXML/AAF/OTIO-JSON), otiocat (concatenate/print), otiostat (timeline statistics), otiotool (filter/edit/rebuild timelines), otiopluginfo (list installed adapters), otioview (Q...
Ingest from every source — web (yt-dlp), screen / webcam / mic capture, SDI (DeckLink), DSLR tether (gphoto2), NDI network sources, RTSP / IP cameras via MediaMTX, PTZ — then verify integrity (SHA-256 + full-decode pass), preserve metadata (EXIF / XMP / IPTC), normalize to MKV or FFV1 / J2K / Pro...
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