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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...
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: ...
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...
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 ...
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...
Deep media inspection + automated QC — ffprobe stream details, MediaInfo diagnostics, VMAF/PSNR/SSIM quality metrics, PySceneDetect scene cuts, crop/silence/black-frame/interlacing detection, ffplay scope debugging, NAL/SEI bitstream forensics, metadata audits, loudness compliance against Spotify...
Full-stack audio routing across macOS / Linux / Windows, MIDI + OSC control surfaces, DAW integration over JACK, DSP (EQ / compression / loudness / spatial / binaural HRTF), AI denoise (DeepFilterNet / RNNoise / Resemble Enhance), stem separation (Demucs), TTS, Whisper transcription, and EBU R128...
Move timelines between NLEs (Premiere, Final Cut Pro X, DaVinci Resolve, Avid, Lightworks) using OTIO as the pivot format, with cuts, transitions, media links, and timecode preserved. Use when the user says "move my Premiere timeline to Resolve", "export from FCP to Avid", "round-trip AAF", "conf...
End-to-end HDR authoring — HDR10 (static MDC + MaxCLL/MaxFALL), HDR10+ dynamic metadata JSON, Dolby Vision profiles 5/7/8.1/8.4, HLG, PQ↔HLG conversion, SDR↔HDR tone-mapping (hable/mobius/reinhard/bt2390/aces), dovi_tool + hdr10plus_tool orchestration, and multi-format dual-delivery. Use when the...
Traditional VOD finishing — transcode to mezzanine + proxies, cut/trim/concat, color grade (LUT / OCIO / manual), stabilize handheld, denoise, retime (slow-mo / reverse / speed ramps), chromakey, lower thirds, burn subtitles, loudness normalize, thumbnails/sprite sheets, chapter metadata, and fin...
Raw podcast recordings → polished, loudness-compliant (EBU R128 / Spotify / Apple Podcasts / ACX), caption-accurate (Whisper), chapter-tagged deliverables across MP3 / M4A / video-podcast. Covers multi-mic capture, AI denoise, sidechain ducking, auto-chaptering, multi-language subtitles, ID3/MP4 ...
Deliver live or VOD content over HLS / DASH / RTMP / SRT / WHIP / RIST with adaptive bitrate ladders, DRM (Widevine / PlayReady / FairPlay cbcs), multi-protocol fanout via MediaMTX, and CDN upload (Cloudflare Stream / Mux / Bunny / S3). Use when the user says "stream to HLS", "build an ABR ladder...
强大的视频下载工具，支持 YouTube 和 1000+ 网站，自动选择最佳格式、字幕下载、播放列表处理
Generates a cinematic product launch video (MP4) from a product description and launch context. 5-section narrative arc — Tease, Build, Reveal, Proof, CTA — rendered as HTML/CSS in headless Chromium via Playwright, assembled with FFmpeg. 4 tone presets. 30/60/90 second durations. Trigger when use...
Spatial and binaural audio with ffmpeg: headphone (HRTF binaural from multichannel), sofalizer (custom HRTF via SOFA files), surround (mono/stereo → 5.1/7.1 upmix), extrastereo, stereotools, stereowiden, earwax, crossfeed, channelsplit, channelmap, join. Use when the user asks to create binaural ...
Work with subtitles in ffmpeg: burn-in (hardcode via subtitles/ass filter), soft-mux (mov_text for MP4, ASS/SRT for MKV, WebVTT for WebM), extract embedded subs, convert formats (SRT, ASS/SSA, VTT, SUB). Use when the user asks to burn subtitles into video, hardcode captions, add soft subtitles, e...
WebRTC egress with ffmpeg whip muxer (FFmpeg 7.0+): publish live AV to a WHIP (WebRTC-HTTP Ingestion Protocol) endpoint, low-latency sub-second delivery, encoder constraints (H.264 baseline/main, Opus audio), ICE/STUN handling. Use when the user asks to push to WHIP, stream via WebRTC, publish to...
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