media-os

In the author's own words, from each skill's SKILL.md — showing the first 30 of 128 files.

• audio-coreaudio

  Manipulate macOS audio at the Core Audio HAL layer: afinfo (audio file metadata), afplay (play), afconvert (convert format/rate/bit-depth/channel layout), say (TTS), SwitchAudioSource (change default input/output/system device — brew install switchaudio-osx), audiodevice CLIs (npm/Go variants), AppleScript via osascript to drive System Preferences Sound. HAL plugins at /Library/Audio/Plug-Ins/HAL…

  skills/audio-coreaudio/SKILL.md on GitHub (opens in a new tab)

• audio-jack

  Route professional low-latency audio with JACK Audio Connection Kit (jackaudio.org): jackd server (ALSA/CoreAudio/PortAudio/ASIO backends), jack_control (D-Bus JACK2 config), jack_lsp (list ports/connections), jack_connect/jack_disconnect (manage links), jack_cpu_load, jack_samplerate, jack_bufsize (runtime period size), jack_transport, jack_rec (multi-channel WAV recording), jack_iodelay (round-…

  skills/audio-jack/SKILL.md on GitHub (opens in a new tab)

• audio-pipewire

  Route and introspect Linux audio/video/MIDI graphs with PipeWire: pw-cli (interactive object/module control), pw-dump (full graph JSON with --monitor), pw-link (list/create/destroy port links), pw-cat / pw-play / pw-record (playback+record), pw-top (real-time DSP load + xrun viewer), pw-metadata (shared metadata store), pw-loopback (source/sink bridges), pw-midiplay/pw-midirecord, pw-jack (JACK c…

  skills/audio-pipewire/SKILL.md on GitHub (opens in a new tab)

• audio-wasapi

  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. Shared mode (Windows engine resamples all streams to endpoint fixed format) vs Exclusive mode (bit-per…

  skills/audio-wasapi/SKILL.md on GitHub (opens in a new tab)

• cv-mediapipe

  Google MediaPipe Tasks API (current supported, NOT legacy mediapipe.solutions): Vision Tasks (Face Detector, Face Landmarker, Face Stylizer, Hand Landmarker, Gesture Recognizer, Pose Landmarker, Holistic Landmarker, Object Detector, Image Classifier, Image Segmenter, Interactive Segmenter, Image Embedder, Image Generator), Audio Tasks (Audio Classifier), Text Tasks (Text Classifier, Text Embedder…

  skills/cv-mediapipe/SKILL.md on GitHub (opens in a new tab)

• cv-opencv

  Computer vision on images + video with OpenCV (docs.opencv.org/4.x/): core (Mat / ndarray, linalg), imgproc (filtering, morphology, geometric transforms, color conv, histograms, contours), imgcodecs (imread/imwrite — PNG, JPEG, TIFF, WebP, EXR), videoio (VideoCapture / VideoWriter — FFMPEG, GStreamer, V4L2, AVFoundation, MSMF backends), calib3d (camera calibration, stereo, solvePnP, homography),…

  skills/cv-opencv/SKILL.md on GitHub (opens in a new tab)

• decklink-tools

  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, SignalGenerator test-pattern output, StatusMonitor, DeviceList, TestPattern, 3DVideoFrames, StreamOperations,…

  skills/decklink-tools/SKILL.md on GitHub (opens in a new tab)

• ffmpeg-360-3d

  360° / VR and stereoscopic 3D video with ffmpeg: v360 filter (equirectangular, cubemap 3x2/6x1/1x6, fisheye, flat, hequirect, dfisheye, cylindrical, perspective, barrel, sinusoidal, half_equirectangular, stereographic, mercator, ball, hammer, pannini, eac, c3x2/c6x1/c1x6, rfish), stereo3d filter (SBS ↔ TAB ↔ interlaced ↔ anaglyph), framepack, spatial audio placeholder. Use when the user asks to c…

  skills/ffmpeg-360-3d/SKILL.md on GitHub (opens in a new tab)

• ffmpeg-audio-filter

  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, boost/reduce volume, EQ audio, resample, change speed/tempo, trim silence, mix audio tracks, merge chan…

  skills/ffmpeg-audio-filter/SKILL.md on GitHub (opens in a new tab)

• ffmpeg-audio-fx

  Creative and restoration audio effects with ffmpeg: chorus, flanger, aphaser, tremolo, vibrato, aecho, crystalizer, adecorrelate, adeclick, adeclip, apsyclip, asoftclip, speechnorm, dialoguenhance, adynamicequalizer, adynamicsmooth, afreqshift, aphaseshift, asupercut, asuperpass, asuperstop, atilt, afftfilt, bandpass, bandreject, biquad, allpass, ladspa, lv2. Use when the user asks to add echo/ch…

  skills/ffmpeg-audio-fx/SKILL.md on GitHub (opens in a new tab)

• ffmpeg-audio-spatial

  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 headphone audio, apply HRTF, convert stereo to 5.1, upmix mono to surround, widen stereo image, split…

  skills/ffmpeg-audio-spatial/SKILL.md on GitHub (opens in a new tab)

• ffmpeg-bitstream

  Apply bitstream filters (-bsf) with ffmpeg to rewrite packet metadata without re-encoding: h264_mp4toannexb, hevc_mp4toannexb, aac_adtstoasc, extract_extradata, dump_extra, setts, noise, remove_extra, filter_units, mjpeg2jpeg, mpeg4_unpack_bframes. Use when the user asks to fix MP4-to-TS mux errors, convert H.264/HEVC between MP4 and Annex-B, fix AAC ADTS to ASC for MP4, repair a broken container…

  skills/ffmpeg-bitstream/SKILL.md on GitHub (opens in a new tab)

• ffmpeg-captions

  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 708 captions, convert SCC to SRT, burn broadcast captions into video, pass through captions during tra…

  skills/ffmpeg-captions/SKILL.md on GitHub (opens in a new tab)

• ffmpeg-capture

  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, record microphone, screencast, grab a region of the screen, capture system audio, or list input devic…

  skills/ffmpeg-capture/SKILL.md on GitHub (opens in a new tab)

• ffmpeg-chromakey

  Chromakey, greenscreen, and compositing with ffmpeg: chromakey, colorkey, hsvkey, lumakey, chromakey_cuda, despill, backgroundkey, overlay with alpha. Use when the user asks to do a greenscreen, remove a green/blue background, chroma key, key out a color, composite a subject onto a new background, fix spill from a greenscreen, layer transparent video, or replace a solid background with another vi…

  skills/ffmpeg-chromakey/SKILL.md on GitHub (opens in a new tab)

• ffmpeg-compose-mask

  Advanced compositing, masking, and channel operations with ffmpeg: maskedclamp, maskedmax, maskedmin, maskedmerge, maskedthreshold, maskfun, alphamerge, alphaextract, premultiply, unpremultiply, displace, hysteresis, floodfill, remap, mergeplanes, shuffleplanes, extractplanes, shuffleframes, shufflepixels, rgbashift, blend (spatial). Use when the user asks to composite with masks, extract or merg…

  skills/ffmpeg-compose-mask/SKILL.md on GitHub (opens in a new tab)

• ffmpeg-cut-concat

  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 segmented HLS-style playlist.

  skills/ffmpeg-cut-concat/SKILL.md on GitHub (opens in a new tab)

• ffmpeg-denoise-restore

  Denoising and restoration with ffmpeg: nlmeans (non-local means), bm3d, hqdn3d, atadenoise, fftdnoiz, dctdnoiz, removegrain, nnedi, derain, dnn_processing with ESPCN/EDSR/SRCNN super-resolution, afftdn, anlmdn, arnndn (RNN audio denoise). Use when the user asks to denoise video, clean up grain, remove noise, restore old footage, fix a noisy webcam, remove film grain, upscale with AI super-resolut…

  skills/ffmpeg-denoise-restore/SKILL.md on GitHub (opens in a new tab)

• ffmpeg-detect

  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 timecode read). Use when the user asks to autocrop black bars, detect silences, find black frames, detect s…

  skills/ffmpeg-detect/SKILL.md on GitHub (opens in a new tab)

• ffmpeg-drm

  DRM and media encryption with ffmpeg: HLS AES-128 (-hls_key_info_file, -hls_enc, key rotation), HLS SAMPLE-AES, MPEG-DASH Common Encryption (CENC) with cenc_mp4 / cbcs schemes, ClearKey, fmp4 encrypted segments, cryptor protocol for playback. Use when the user asks to encrypt an HLS stream, set up AES-128 HLS, do sample-AES, package CENC DASH, rotate HLS keys, generate a key info file, protect VO…

  skills/ffmpeg-drm/SKILL.md on GitHub (opens in a new tab)

• ffmpeg-frames-images

  Extract frames, make thumbnails, build sprite/contact sheets, import/export image sequences, and create high-quality GIFs (palettegen+paletteuse) with ffmpeg. Use when the user asks to grab a thumbnail, extract frames, take a screenshot at a timestamp, create a contact sheet or sprite sheet, convert video to images/PNGs/JPGs, convert an image sequence to video, or make a GIF from a video.

  skills/ffmpeg-frames-images/SKILL.md on GitHub (opens in a new tab)

• ffmpeg-geq-expr

  Procedural and expression-based ffmpeg filters: geq (per-pixel YUV/RGB expressions), aeval (audio sample expressions), lut2 (two-input LUT expression), drawgraph (real-time metrics graph), drawvg (SVG rendering over video), random, feedback, lagfun. Use when the user asks to build a custom pixel-level filter, apply math directly to video samples, render SVG over video, make a real-time debug grap…

  skills/ffmpeg-geq-expr/SKILL.md on GitHub (opens in a new tab)

• ffmpeg-hdr-color

  HDR tone-mapping and color-space conversion with ffmpeg: tonemap, zscale, libplacebo tone-mapping, colorspace filter, HDR10/HDR10+/HLG/Dolby Vision → SDR, BT.2020 → BT.709, PQ → gamma 2.4. Use when the user asks to convert HDR to SDR, tone-map HDR10, downconvert HDR10 to Rec.709, handle Dolby Vision, convert HLG to SDR, change color primaries or transfer function, or make HDR content SDR-playable…

  skills/ffmpeg-hdr-color/SKILL.md on GitHub (opens in a new tab)

• ffmpeg-hwaccel

  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 QSV, use VideoToolbox on Mac, use VAAPI, accelerate ffmpeg with GPU, speed up transcoding, or do zero…

  skills/ffmpeg-hwaccel/SKILL.md on GitHub (opens in a new tab)

• ffmpeg-ivtc

  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 user asks to IVTC a telecined file, convert 29.97i to 23.976p, reverse 3:2 pulldown, fix interlaced broa…

  skills/ffmpeg-ivtc/SKILL.md on GitHub (opens in a new tab)

• ffmpeg-lens-perspective

  Lens correction, perspective warp, and geometric transforms with ffmpeg: lenscorrection (barrel/pincushion), lensfun (post-processing lens DB), perspective (keystone fix), vignette (add/remove vignetting), shear, tiltandshift, rotate with interpolation. Use when the user asks to fix barrel or fisheye distortion, remove lens distortion, correct keystone / perspective, add a cinematic vignette, un-…

  skills/ffmpeg-lens-perspective/SKILL.md on GitHub (opens in a new tab)

• ffmpeg-lut-grade

  Color grading and LUT application with ffmpeg: lut3d (.cube/.3dl), lut1d, haldclut, colorbalance, selectivecolor, colormatrix, colorlevels, colorchannelmixer, hue. Use when the user asks to apply a LUT, apply a .cube file, color grade, do a cinematic look, apply a film emulation, adjust shadows/midtones/highlights independently, apply a Hald CLUT, fix color cast, or match color between clips.

  skills/ffmpeg-lut-grade/SKILL.md on GitHub (opens in a new tab)

• ffmpeg-metadata

  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, set title/artist/year, add cover art, embed thumbnail, set stream language, rename audio tracks, mark…

  skills/ffmpeg-metadata/SKILL.md on GitHub (opens in a new tab)

• ffmpeg-mxf-imf

  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 asks to work with MXF files, author IMF packages, handle broadcast-exchange containers, deal with SMPTE…

  skills/ffmpeg-mxf-imf/SKILL.md on GitHub (opens in a new tab)

• ffmpeg-ocio-colorpro

  Professional color management with ffmpeg + OpenColorIO: ocio filter (OCIO config / LUT / colorspace transforms), ACES workflows (ACEScc / ACEScg / ACES2065-1), Resolve-compatible LUTs, film-emulation via OCIO, iccdetect, iccgen, ICC profile handling. Use when the user asks for ACES color management, apply an OCIO config, use a studio/film LUT, embed ICC profiles, convert between ACEScc/ACEScg/sR…

  skills/ffmpeg-ocio-colorpro/SKILL.md on GitHub (opens in a new tab)

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