Why H.264 and AV1 Are Hard to Edit: Long-GOP Explained
H.264, VP9 and AV1 store full frames only at intervals, so editors decode whole groups to show one frame. ProRes and DNxHR store every frame whole.
H.264, VP9 and AV1 store full frames only at intervals, so editors decode whole groups to show one frame. ProRes and DNxHR store every frame whole.
Proxies keep the YouTube original and add a light copy; a transcode replaces it with ProRes or DNxHR. Which to use in Resolve, Premiere and Final Cut Pro.
YouTube streams H.264, VP9 and AV1, all long-GOP delivery codecs. Which one a download holds, how DaVinci Resolve 20 decodes each, and when to transcode.
For DaVinci Resolve on Windows, download YouTube footage as a DNxHR or ProRes .mov, not VP9 or AV1: a decision table by codec and edition, plus import steps.
Choppy YouTube clips in DaVinci Resolve are usually AV1 or VP9 decoding. Check the codec, then edit a DNxHR or ProRes copy instead of tuning cache settings.
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