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Join two clips with a timed cross fade using FFmpeg xfade
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What this guide covers
For editors who need a dissolve between two clips from the command line. You end with one file where the second clip fades in over the end of the first. Based on the FFmpeg manual; no command was run and audio is only pointed to, not walked through.
More about this guide
Guide ID: art_01M6TVS0Y2C9YEQHC3JCTAWMEC
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Guide title
Join two clips with a timed cross fade using FFmpeg xfade
Coverage
For editors who need a dissolve between two clips from the command line. You end with one file where the second clip fades in over the end of the first. Based on the FFmpeg manual; no command was run and audio is only pointed to, not walked through.
Example
A hypothetical pair of 1080p, 30 fps clips, the first 12 seconds long, with a 2-second dissolve ending as the first clip ends; not run.
Useful starting points
- Both clips must match in resolution, pixel format, frame rate and timebase, all constant.
- Step through the output around the transition start to confirm the blend, and probe the total duration.
- The video filter does not touch sound, so audio needs separate handling.
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