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ffmpeg [2020/07/07 18:52] sdbs [dropped frame re-interpolation] note on speed |
ffmpeg [2020/12/15 19:20] sdbs |
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If you're on Windows, it's technically possible to install '' | If you're on Windows, it's technically possible to install '' | ||
- | If you're on Linux, you know what to do 8-) | + | If you're on Linux, you already |
===== Techniques ===== | ===== Techniques ===== | ||
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==== Basic conversions ==== | ==== Basic conversions ==== | ||
- | '' | + | '' |
<code bash> | <code bash> | ||
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ffmpeg -i choppy_video.mp4 -vf mpdecimate, | ffmpeg -i choppy_video.mp4 -vf mpdecimate, | ||
</ | </ | ||
+ | |||
+ | ffmpeg - skipping - remove duplicate frames after effects | ||
+ | |||
+ | === what is `N/ | ||
+ | |||
+ | * except the use of `FRAME_RATE` variable the `N/ | ||
+ | * | ||
+ | < | ||
+ | > Set fixed rate of 25 frames per second: | ||
+ | > `setpts=N/ | ||
+ | </ | ||
+ | |||
+ | * the math behind it perfectly explained in What is video timescale, timebase, or timestamp in ffmpeg? | ||
+ | | ||
==== mp4 compatibility ==== | ==== mp4 compatibility ==== | ||
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No silver bullet, you'll just have to try different things for different devices. A database of crappy players and appropriate '' | No silver bullet, you'll just have to try different things for different devices. A database of crappy players and appropriate '' | ||
+ | |||
+ | |||
+ | ==== random ==== | ||
+ | |||
+ | https:// | ||
+ | |||
+ | ===== Other cheatsheets ===== | ||
+ | * [[https:// | ||
+ | * [[https:// | ||
+ | * [[https:// |