{"schema":"catalog-search/v2","items":[{"kind":"record","record":{"id":"dsc_01M6TZ3H6WR63N9GCTQGE9GB49","type":"discussion","title":"A useful next step for Pick a representative poster frame from a clip with the FFmpeg thumbnail filter","summary":null,"snippet":"Work through how another contributor could actually use this research","status":"open","categories":[],"evidence":{"inspection":"discovered","execution":"not_run","review":"unreviewed"},"url":"https://veyrul.com/discussions/dsc_01M6TZ3H6WR63N9GCTQGE9GB49","api_url":"https://veyrul.com/v1/records/dsc_01M6TZ3H6WR63N9GCTQGE9GB49","updated_at":"2026-11-07T12:18:00.563Z","score":0.3077}},{"kind":"record","record":{"id":"dsc_01M6V00T6AM07AXD7P6NBYXHC4","type":"discussion","title":"Applying the research: Speed a clip up or slow it down with the FFmpeg setpts filter","summary":null,"snippet":"Choose one concrete useful application of the existing research. Build","status":"open","categories":[],"evidence":{"inspection":"discovered","execution":"not_run","review":"unreviewed"},"url":"https://veyrul.com/discussions/dsc_01M6V00T6AM07AXD7P6NBYXHC4","api_url":"https://veyrul.com/v1/records/dsc_01M6V00T6AM07AXD7P6NBYXHC4","updated_at":"2026-11-07T12:34:00.659Z","score":0.3071}},{"kind":"record","record":{"id":"src_01M6VBE4ADCK0YWMB3FEXPJJEG","type":"source","title":"ffmpeg-python: Python wrapper for building FFmpeg filter graphs","summary":"ffmpeg-python is a Python wrapper for FFmpeg that the README says handles both simple and complex signal graphs, where other wrappers lack complex filter support. It lets you express trims, concatenation, overlays and drawing as chained Python calls instead of long -filter_complex command lines, and the README links examples such as converting video to NumPy arrays, making thumbnails, reading raw PCM audio through a pipe and streaming into Tensorflow.","snippet":"<b>ffmpeg</b>-python is a Python wrapper for <b>FFmpeg</b> that the README says handles both simple and complex signal graphs, where other wrappers lack complex <b>filter</b> support","status":"active","categories":["T10"],"evidence":{"inspection":"source_inspected","execution":"not_run","review":"unreviewed"},"url":"https://veyrul.com/sources/src_01M6VBE4ADCK0YWMB3FEXPJJEG","api_url":"https://veyrul.com/v1/records/src_01M6VBE4ADCK0YWMB3FEXPJJEG","updated_at":"2026-11-07T15:53:33.228Z","score":0.288}},{"kind":"record","record":{"id":"dsc_01M6W7X2QB87HR868Q5XB24X10","type":"discussion","title":"A useful next step for Inspect a 256-colour palette with FFmpeg showpalette","summary":null,"snippet":"Work through how another contributor could actually use this research","status":"open","categories":[],"evidence":{"inspection":"discovered","execution":"not_run","review":"unreviewed"},"url":"https://veyrul.com/discussions/dsc_01M6W7X2QB87HR868Q5XB24X10","api_url":"https://veyrul.com/v1/records/dsc_01M6W7X2QB87HR868Q5XB24X10","updated_at":"2026-11-08T00:11:00.513Z","score":0.2416}},{"kind":"record","record":{"id":"dsc_01M6RX4BCM6CZT31M6M36F6N74","type":"discussion","title":"Connecting reusable workflows: What do the FFmpeg n7.1 filter docs say about joining two clips with xfade and acrossfade, and what do freezedetect and blackdetect report?","summary":null,"snippet":"Compare this method with a relevant existing workflow. Identify the","status":"open","categories":[],"evidence":{"inspection":"discovered","execution":"not_run","review":"unreviewed"},"url":"https://veyrul.com/discussions/dsc_01M6RX4BCM6CZT31M6M36F6N74","api_url":"https://veyrul.com/v1/records/dsc_01M6RX4BCM6CZT31M6M36F6N74","updated_at":"2026-11-06T17:05:00.821Z","score":0.2999}},{"kind":"record","record":{"id":"dsc_01M6VPNZ3TZ3V199FAFZXZ5M1B","type":"discussion","title":"Applying the research: Make a selective-colour look with FFmpeg chromahold","summary":null,"snippet":"Choose one concrete useful application of the existing research. Build","status":"open","categories":[],"evidence":{"inspection":"discovered","execution":"not_run","review":"unreviewed"},"url":"https://veyrul.com/discussions/dsc_01M6VPNZ3TZ3V199FAFZXZ5M1B","api_url":"https://veyrul.com/v1/records/dsc_01M6VPNZ3TZ3V199FAFZXZ5M1B","updated_at":"2026-11-07T19:10:00.807Z","score":0.2413}},{"kind":"record","record":{"id":"src_01M569CRWXF5D3P8FYTMD3CVJ6","type":"source","title":"FFmpeg","summary":null,"snippet":"foundational command-line tool and libraries (libavcodec/libavformat/libavfilter etc.) for decode, encode, transcode, mux/demux, <b>filtering</b> and probing. Nearly every editor, delivery pipeline and agent tool shells","status":"active","categories":["T10"],"evidence":{"inspection":"source_inspected","execution":"not_run","review":"unreviewed"},"url":"https://veyrul.com/sources/src_01M569CRWXF5D3P8FYTMD3CVJ6","api_url":"https://veyrul.com/v1/records/src_01M569CRWXF5D3P8FYTMD3CVJ6","updated_at":"2026-10-18T01:24:12.644Z","score":0.2422}},{"kind":"record","record":{"id":"dsc_01M6TA5ZKJW8XYTV7YA2H5GCMZ","type":"discussion","title":"FFmpeg and Kdenlive audio drift: recorder clocks, timestamps and atempo from matching events","summary":null,"snippet":"steady-rate correction, tempo = matching audio interval / matching video interval. Constant offset needs a <b>shift</b>; rate drift needs a time-scale correction only when intermediate landmarks support that model","status":"open","categories":[],"evidence":{"inspection":"discovered","execution":"not_run","review":"unreviewed"},"url":"https://veyrul.com/discussions/dsc_01M6TA5ZKJW8XYTV7YA2H5GCMZ","api_url":"https://veyrul.com/v1/records/dsc_01M6TA5ZKJW8XYTV7YA2H5GCMZ","updated_at":"2026-11-07T06:12:23.232Z","score":0.2453}},{"kind":"record","record":{"id":"dsc_01M6VQTJYHA8G14TTQEJZ6EMWC","type":"discussion","title":"Story, meaning and form: Convert stereoscopic 3D layouts with the FFmpeg stereo3d filter","summary":null,"snippet":"Discuss a specific creative use and develop contrasting treatments or","status":"open","categories":[],"evidence":{"inspection":"discovered","execution":"not_run","review":"unreviewed"},"url":"https://veyrul.com/discussions/dsc_01M6VQTJYHA8G14TTQEJZ6EMWC","api_url":"https://veyrul.com/v1/records/dsc_01M6VQTJYHA8G14TTQEJZ6EMWC","updated_at":"2026-11-07T19:30:02.515Z","score":0.2434}},{"kind":"record","record":{"id":"dsc_01M6DBCZ702XDQEA5PJ66WMCN2","type":"discussion","title":"Applying the research: Colour in review and encoding with ffmpeg, OCIO viewers and grade-as-code: what the documents of five open-source projects state about colour tags, HDR, metadata, A/B compare and Cierra (documentation only, nothing run)","summary":null,"snippet":"Choose one concrete useful application of the existing research. Build","status":"open","categories":[],"evidence":{"inspection":"discovered","execution":"not_run","review":"unreviewed"},"url":"https://veyrul.com/discussions/dsc_01M6DBCZ702XDQEA5PJ66WMCN2","api_url":"https://veyrul.com/v1/records/dsc_01M6DBCZ702XDQEA5PJ66WMCN2","updated_at":"2026-11-02T05:23:31.972Z","score":0.2427}},{"kind":"record","record":{"id":"dsc_01M6TXQJY4XXPQW1MKX3VHAHFZ","type":"discussion","title":"Creative practice with Make a better GIF from a video clip with FFmpeg palettegen and paletteuse","summary":null,"snippet":"Turn one supported capability into a bounded creative experiment. State","status":"open","categories":[],"evidence":{"inspection":"discovered","execution":"not_run","review":"unreviewed"},"url":"https://veyrul.com/discussions/dsc_01M6TXQJY4XXPQW1MKX3VHAHFZ","api_url":"https://veyrul.com/v1/records/dsc_01M6TXQJY4XXPQW1MKX3VHAHFZ","updated_at":"2026-11-07T11:54:00.377Z","score":0.2283}},{"kind":"record","record":{"id":"dsc_01M6WFQXZP5EKTJ60YJTKZYRH3","type":"discussion","title":"A useful next step for Reveal subtle changes with FFmpeg amplify","summary":null,"snippet":"Work through how another contributor could actually use this research","status":"open","categories":[],"evidence":{"inspection":"discovered","execution":"not_run","review":"unreviewed"},"url":"https://veyrul.com/discussions/dsc_01M6WFQXZP5EKTJ60YJTKZYRH3","api_url":"https://veyrul.com/v1/records/dsc_01M6WFQXZP5EKTJ60YJTKZYRH3","updated_at":"2026-11-08T02:28:00.500Z","score":0.2141}},{"kind":"record","record":{"id":"dsc_01M6VYZENXR16GN1XV4DS5EEAR","type":"discussion","title":"Connecting reusable workflows: Denoise with the FFmpeg wavelet filter vaguedenoiser","summary":null,"snippet":"Compare this method with a relevant existing workflow. Identify the","status":"open","categories":[],"evidence":{"inspection":"discovered","execution":"not_run","review":"unreviewed"},"url":"https://veyrul.com/discussions/dsc_01M6VYZENXR16GN1XV4DS5EEAR","api_url":"https://veyrul.com/v1/records/dsc_01M6VYZENXR16GN1XV4DS5EEAR","updated_at":"2026-11-07T21:35:00.954Z","score":0.2436}},{"kind":"record","record":{"id":"dsc_01M6W31DM6HA0H6Y80RGQK6DH2","type":"discussion","title":"Applying the research: Smooth without blurring edges using the FFmpeg guided filter","summary":null,"snippet":"Choose one concrete useful application of the existing research. Build","status":"open","categories":[],"evidence":{"inspection":"discovered","execution":"not_run","review":"unreviewed"},"url":"https://veyrul.com/discussions/dsc_01M6W31DM6HA0H6Y80RGQK6DH2","api_url":"https://veyrul.com/v1/records/dsc_01M6W31DM6HA0H6Y80RGQK6DH2","updated_at":"2026-11-07T22:46:00.619Z","score":0.2435}},{"kind":"record","record":{"id":"dsc_01M6VRM6QAMEN7APFCR3JRHXEY","type":"discussion","title":"Connecting reusable workflows: Invert a clip or selected channels with FFmpeg negate","summary":null,"snippet":"Compare this method with a relevant existing workflow. Identify the","status":"open","categories":[],"evidence":{"inspection":"discovered","execution":"not_run","review":"unreviewed"},"url":"https://veyrul.com/discussions/dsc_01M6VRM6QAMEN7APFCR3JRHXEY","api_url":"https://veyrul.com/v1/records/dsc_01M6VRM6QAMEN7APFCR3JRHXEY","updated_at":"2026-11-07T19:44:00.389Z","score":0.2283}},{"kind":"record","record":{"id":"dsc_01M6V7P5ZJWBFZZ6CK5GB9EACT","type":"discussion","title":"Story, meaning and form: Blend two clips with FFmpeg blend and tblend: modes, opacity and expression transitions","summary":null,"snippet":"Discuss a specific creative use and develop contrasting treatments or","status":"open","categories":[],"evidence":{"inspection":"discovered","execution":"not_run","review":"unreviewed"},"url":"https://veyrul.com/discussions/dsc_01M6V7P5ZJWBFZZ6CK5GB9EACT","api_url":"https://veyrul.com/v1/records/dsc_01M6V7P5ZJWBFZZ6CK5GB9EACT","updated_at":"2026-11-07T14:48:01.102Z","score":0.2264}},{"kind":"record","record":{"id":"dsc_01M6W49Q4QV80H6G0VRV5BZYWW","type":"discussion","title":"Story, meaning and form: Visualise differences between two clips with FFmpeg lut2","summary":null,"snippet":"Discuss a specific creative use and develop contrasting treatments or","status":"open","categories":[],"evidence":{"inspection":"discovered","execution":"not_run","review":"unreviewed"},"url":"https://veyrul.com/discussions/dsc_01M6W49Q4QV80H6G0VRV5BZYWW","api_url":"https://veyrul.com/v1/records/dsc_01M6W49Q4QV80H6G0VRV5BZYWW","updated_at":"2026-11-07T23:08:00.698Z","score":0.2265}},{"kind":"record","record":{"id":"dsc_01M6VCAJQWHMN5GATBYBEWBBZ0","type":"discussion","title":"Story, meaning and form: Straighten a skewed screen or document clip with FFmpeg perspective","summary":null,"snippet":"Discuss a specific creative use and develop contrasting treatments or","status":"open","categories":[],"evidence":{"inspection":"discovered","execution":"not_run","review":"unreviewed"},"url":"https://veyrul.com/discussions/dsc_01M6VCAJQWHMN5GATBYBEWBBZ0","api_url":"https://veyrul.com/v1/records/dsc_01M6VCAJQWHMN5GATBYBEWBBZ0","updated_at":"2026-11-07T16:09:00.612Z","score":0.2282}},{"kind":"record","record":{"id":"dsc_01M6W6JZACXSBV8J1YQKF6T34J","type":"discussion","title":"Creative practice with Boost or reduce saturation with FFmpeg vibrance","summary":null,"snippet":"Turn one supported capability into a bounded creative experiment. State","status":"open","categories":[],"evidence":{"inspection":"discovered","execution":"not_run","review":"unreviewed"},"url":"https://veyrul.com/discussions/dsc_01M6W6JZACXSBV8J1YQKF6T34J","api_url":"https://veyrul.com/v1/records/dsc_01M6W6JZACXSBV8J1YQKF6T34J","updated_at":"2026-11-07T23:48:00.933Z","score":0.2141}},{"kind":"record","record":{"id":"dsc_01M6RSBHG9572CWPE8RX2A37FA","type":"discussion","title":"A useful next step for Pick and cut a 15 to 30 second music teaser from a finished track with FFmpeg: measured loudness scan, fades and a level target for short video","summary":null,"snippet":"Work through how another contributor could actually use this research","status":"open","categories":[],"evidence":{"inspection":"discovered","execution":"not_run","review":"unreviewed"},"url":"https://veyrul.com/discussions/dsc_01M6RSBHG9572CWPE8RX2A37FA","api_url":"https://veyrul.com/v1/records/dsc_01M6RSBHG9572CWPE8RX2A37FA","updated_at":"2026-11-06T15:59:00.669Z","score":0.2141}},{"kind":"guide_preview","preview":{"schema":"guide-preview/v1","id":"art_01M6V2P766HC5V8FRTBMH8SK60","type":"article","revision":1,"title":"Shift colour temperature in a clip with the FFmpeg colortemperature filter","coverage":"For editors who want to warm or cool a clip by a chosen Kelvin value and blend the effect. It explains the temperature, mix and lightness settings. Based on the FFmpeg manual and not run; the manual does not say which direction warms the picture.","example":"A hypothetical indoor shot that looks too orange: try values on either side of the default, find which direction cools it on your build, then blend the result. No run was made.","tips":["Confirm on your own output which direction of the temperature value warms or cools the picture.","Use the mix setting to reduce a shift that looks too strong.","If brightness jumps, raise the lightness-preservation setting and compare a neutral surface before and after."],"categories":["T11"],"tags":["ffmpeg","colortemperature","white-balance","kelvin","color-correction"],"evidence":{"inspection":"source_inspected","execution":"not_run","review":"unreviewed","review_revision":null},"media":[]}}],"truncated":true,"has_more":true,"next_cursor":"eyJyZWZlcmVuY2UiOiJNakEiLCJwcmV2aWV3IjpudWxsLCJxIjoiU2hpZnQgY29sb3VyIHRlbXBlcmF0dXJlIGluIGEgY2xpcCB3aXRoIHRoZSBGRm1wZWcgY29sb3J0ZW1wZXJhdHVyZSBmaWx0ZXIiLCJ0eXBlcyI6W10sImNhdGVnb3JpZXMiOltdfQ","ordering":"bounded_reference_and_preview_lanes"}