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Use hardware acceleration with ffmpeg: NVIDIA NVENC/NVDEC/CUDA, Intel Quick Sync (QSV), VA-API (Linux Intel/AMD), VideoToolbox (macOS Apple Silicon/Intel), AMD AMF (Windows), Vulkan, plus hwupload/hwdownload filters for full-GPU pipelines. Use when the user asks to encode with GPU, use NVENC, use...
Produce broadcast-grade MXF OP1a or Netflix IMF masters with HDR dynamic metadata (Dolby Vision / HDR10+), SDI capture/playout, ACES color management, CEA-608/708 captions, and timecode-accurate delivery. Use when the user says "deliver to broadcast", "make an IMF for Netflix", "MXF OP1a", "SDI i...
Detect-and-act workflows with ffmpeg analysis filters: cropdetect (autocrop black bars), silencedetect, blackdetect, freezedetect, blurdetect, blockdetect, scdet (scene-change detection), idet (interlace detection), signalstats broadcast QC, readeia608 (CEA-608 caption read), readvitc (VITC timec...
Package and stream media with ffmpeg: HLS (hls muxer), MPEG-DASH (dash muxer), RTMP push (to YouTube/Twitch/custom ingest), SRT, RTSP, RTP, UDP, plus tee muxer for multi-output. Use when the user asks to stream to YouTube/Twitch/Facebook Live, push RTMP, generate HLS segments, build a DASH manife...
OCR, logo detection, and rectangle operations with ffmpeg: ocr (Tesseract inside ffmpeg), find_rect (find a reference rectangle), cover_rect (hide it), delogo and removelogo (station logo removal), qrencode (generate QR), quirc (decode QR from frames). Use when the user asks to read text from vid...
Search and fetch docs for PTZ camera control protocols: Sony VISCA (Command List v2.00, BRC-H900, SRG-300H, PTZOptics VISCA over IP) — byte-level serial or UDP:52381 with payload-wrapped VISCA, and ONVIF (onvif.org profiles — S streaming deprecated, T successor with H.264/H.265/metadata, G on-dev...
Control PTZ cameras with Sony VISCA protocol (RS-232/485 serial 9600/38400 8N1, or UDP:52381 with 8-byte payload header): pan/tilt/zoom/focus/exposure/WB commands, libvisca + libvisca-ip, python-visca, pyvisca, pysca, visca-over-ip. Supported cameras: Sony (BRC/SRG/FR7/FCB modules), PTZOptics, AV...
Discover and control ONVIF IP cameras via SOAP/XML with WS-Security UsernameToken digest: onvif-util (libonvif github.com/sr99622/libonvif), onvif-cli (github.com/gardere/onvif-cli), python-onvif-zeep (PyPI onvif-zeep), onvif_control (bash + WS-Security), gonvif (Go). WS-Discovery multicast to 23...
Use NDI SDK tools and CLIs (Vizrt/NewTek NDI): NDI Send, NDI Find, NDI Recorder, NDI Studio Monitor, NDI Bridge, NDI Discovery Service, NDI Benchmark, DistroAV (OBS plugin formerly obs-ndi). Source SRGB/HDR video over LAN via mDNS discovery + SpeedHQ codec on TCP/UDP 5960+, redistribute with Adva...
Manipulate Windows audio via WASAPI (learn.microsoft.com/coreaudio): SoundVolumeView + svcl.exe (NirSoft — set default device, per-app volumes, save/load profiles), AudioDeviceCmdlets PowerShell module (Get-AudioDevice, Set-AudioDevice, Get-AudioDevicePlaybackMute), nircmd setdefaultsounddevice. ...
End-to-end live production — OBS as the mixer with obs-websocket control, MIDI/OSC cue triggers, DMX lighting sync, PTZ camera moves, system audio routing, NDI/SDI I/O, and multi-protocol egress via MediaMTX. Use when the user says "go live", "run a live show", "live stream", "wire up OBS", "scen...
AI audio noise reduction with open-source + commercial-safe models that go beyond ffmpeg's built-in afftdn/arnndn: DeepFilterNet (MIT, Rikorose, real-time full-band 48 kHz speech denoise, ships as a prebuilt Rust binary), RNNoise (BSD-3, Xiph/Mozilla reference RNN suppressor, already in ffmpeg as...
Trim, cut, split, segment, and concatenate media with ffmpeg (stream copy when possible, re-encode across cut boundaries). Use when the user asks to trim a video, cut a clip, extract a segment by timestamps, remove a section, split into parts, join/merge videos, concatenate files, or build a segm...
Capture and play back SDI/HDMI video via Blackmagic DeckLink hardware: ffmpeg decklink indev/outdev (-f decklink -list_devices 1, -f decklink -list_formats 1, -f decklink -i 'DeckLink Mini Recorder 4K', -f decklink 'DeckLink Mini Monitor'), SDK Samples (CapturePreview, LoopThroughPreview, SignalG...
Apply audio filters with ffmpeg -af / -filter_complex: loudnorm (EBU R128), volume, dynaudnorm, compand, equalizer, bass/treble, aresample (sample rate), atempo (speed), apad/atrim, amix, amerge, pan (channel layout), silenceremove, afade, asetrate. Use when the user asks to normalize loudness, b...
Closed captions CEA-608/708 with ffmpeg: -a53cc 1 passthrough, readeia608 extraction, SCC and MCC and STL import/export, ccextractor handoff, 608 → SRT conversion, burning 608 to picture, preserving captions in MPEG-TS and MP4 and MOV. Use when the user asks to extract CEA-608 captions, preserve ...
Record from capture devices with ffmpeg: screen/desktop (avfoundation on macOS, gdigrab/dshow on Windows, x11grab/kmsgrab on Linux), webcam (avfoundation/dshow/v4l2), microphone, system audio, and list available devices. Use when the user asks to record the screen, capture desktop, record webcam,...
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...
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