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When I first started using DaVinci, I was running it on a less than ideal machine, and playback lag was the bane of my existence. Every editor knows the frustration of choppy playback, especially when precision is key, and it's usually not a sign of a genuine problem with your project, it's just Resolve trying to process high resolution or RAW footage in real time on hardware that's struggling to keep up. Optimized media solves this directly, and it's genuinely one of the first things worth understanding properly if you're serious about editing efficiently in Resolve.
When I first started using DaVinci, I was running it on a less-than-ideal Acer Aspire, and playback lag was the bane of my existence. Every editor knows the frustration of choppy playback, especially when precision is key. Enter the concept of optimized media. This feature is designed to enhance the editing workflow by improving real-time playback. It's essentially a method that allows DaVinci Resolve to create and use proxy files, ensuring that even on less powerful systems, playback remains smooth.
Generating optimized media in DaVinci Resolve comes down to selecting your clips in the Media Pool, right clicking, and choosing Generate Optimized Media, after first confirming your codec settings within Project Settings. This post covers that process step by step, the specific codec recommendation for PC versus Mac, a genuinely important distinction between Optimized Media and the newer Proxy workflow introduced in Resolve 17, and the practical housekeeping most guides skip, remembering to actually delete optimized media once you're done with it. It includes a current video walkthrough and answers to the questions editors run into most often with this feature.
Optimized media is DaVinci Resolve's method of creating processor efficient duplicate versions of your original footage, letting you work in real time without lag even when your actual source files are high resolution or RAW. Resolve stores these as .dvcc files, generated separately from your original media and swapped in automatically during editing and playback once enabled, while your genuine original footage remains completely untouched and gets used again automatically for your final render and export.
Click the cog icon in the bottom right corner of your screen, or use the shortcut Shift plus 9, to open Project Settings.
Within Project Settings, select Master Settings, then scroll down until you find the section labeled Optimized Media And Render Cache.
Set both your Optimized Media Format and Render Cache Format to the same codec for consistency. If you're on a PC, DNxHR SQ is the generally recommended choice, while ProRes 422 LT is the recommended choice specifically if you're working on a Mac.
Return to either the Media page or the Edit page, and within the Media Pool, select the specific clips you want to optimize, or select all of them if your entire project is struggling with playback.
Right click your selected clips and choose Generate Optimized Media from the dropdown menu. Depending on how many clips you've selected and their specific length and format, this process can take anywhere from a few minutes to considerably longer, and you won't be able to actively edit until it completes.
Once generation completes, go to the Playback menu and select Use Optimized Media If Available. Press play on your timeline, and you should now see smooth, lag free playback at your correct frame rate.
For a genuinely current, focused demonstration of the codec and format configuration this process depends on, watch How To Change Optimised Media Format On DaVinci Resolve. This is worth watching specifically because seeing the actual Project Settings panel and its specific codec options demonstrated live clarifies exactly where each setting lives, useful given how frequently Resolve's interface continues to evolve across recent versions.
Since DaVinci Resolve 17, Resolve has offered a second, related but genuinely distinct workflow called Proxy Files, and understanding the actual difference between the two matters for choosing the right tool for your specific situation. Both exist to solve the same underlying problem, smoother playback when your original footage is too demanding for real time editing, but they work somewhat differently in practice.
Proxy Files offer genuinely more flexibility in how they're created and managed, you can generate them directly within Resolve or externally through other software, link and relink different proxy versions as needed, and search and filter for them directly within the Media Bin. Optimized Media, by comparison, offers one specific genuine advantage Proxy Files don't match, the ability to optimize just a partial segment of a clip within your timeline rather than requiring the entire source clip to be processed, which can be a genuinely meaningful time saver on projects involving huge amounts of source media where only specific portions actually need this treatment. Both approaches get used during effects processing in Fusion and on the Color page, so neither is a purely editing page specific tool.
For most editors working on typical projects, Proxy Files have become the more commonly recommended default given their genuine flexibility, but Optimized Media remains genuinely worth reaching for specifically when you're dealing with an enormous media library and want the option to selectively optimize only specific portions of specific clips rather than processing everything in full.
This is genuinely worth knowing before you generate optimized media across a large project, since it's easy to overlook. You don't have direct control over where these files are actually generated, they're created automatically in the same location as your existing cache files. More importantly, optimized media files are not heavily compressed, tiny space saving files, if your original source is a RAW file specifically, your optimized media will still be a genuinely substantial size on disk. Once you've finished a project, or specifically no longer need the smoother playback optimized media provides for a given set of clips, actually deleting this generated media through Resolve's own cache management tools frees up meaningful drive space that can otherwise accumulate considerably across multiple projects over time.
It's genuinely worth understanding the underlying reason optimized media works so effectively, since this helps you make better decisions about when it's actually necessary versus when it might be overkill for a specific project. High resolution and RAW footage require considerable processing power to decode and display in real time, RAW formats specifically require a genuinely demanding process called debayering, reconstructing full color image data from the raw sensor information, on every single frame during playback. Optimized media sidesteps this demanding real time processing entirely by pre-processing your footage once into a codec your specific hardware can decode considerably more easily, DNxHR SQ or ProRes 422 LT specifically, meaning your computer is doing genuinely less demanding work during actual playback and scrubbing.
This explains why optimized media provides such a dramatic, noticeable improvement specifically for RAW and high resolution footage, while offering considerably less benefit for footage that was already reasonably lightweight to begin with, since there's simply less demanding processing overhead to eliminate in the first place for that kind of already manageable source material.
Since optimized media files can accumulate to a genuinely significant size, particularly for RAW heavy projects, it's worth being deliberate about where your cache and optimized media storage actually lives on your system. Storing this generated media on a fast, dedicated drive separate from your primary system drive both protects your system drive from filling up unexpectedly and often improves the actual performance benefit optimized media provides in the first place, since a genuinely fast drive reading and writing this data quickly compounds with the codec efficiency improvements already discussed above.
For editors regularly working with RAW footage across multiple ongoing projects, investing in a dedicated, fast external or internal drive specifically for cache and optimized media storage is a genuinely worthwhile consideration, rather than allowing this accumulating data to compete for space with your operating system and other applications on your primary drive.
Optimized media is genuinely one part of a broader set of tools DaVinci Resolve offers for managing performance on demanding projects, alongside render cache, adjustable timeline playback resolution, and Proxy Files themselves. For genuinely struggling systems, combining several of these approaches, optimized media for your most demanding RAW footage alongside a reduced timeline playback resolution during your initial rough edit, for instance, often produces better overall results than relying on any single technique in isolation. Understanding optimized media as one tool within this broader performance toolkit, rather than a single, standalone fix for every playback issue you might encounter, helps you build a genuinely considered approach to managing performance across projects of varying demands on your specific hardware.
A frequent mistake involves forgetting to actually enable Use Optimized Media If Available after generation completes, meaning you've done the processing work but Resolve is still playing back your original, unoptimized footage regardless. Another common issue involves letting generated optimized media accumulate indefinitely across many past projects without ever clearing it, quietly consuming considerable drive space that could otherwise be reclaimed once a given project's active editing work is complete.
Choosing Optimized Media by default without genuinely considering whether Proxy Files might better suit your specific project's needs is another common oversight, particularly for projects where the flexibility to relink or manage proxies externally would genuinely serve your workflow better than Optimized Media's more fixed approach.
DNxHR SQ is generally recommended on PC, while ProRes 422 LT is generally recommended on Mac, set as both your Optimized Media Format and Render Cache Format for consistency.
No, your original source footage is used automatically for your final render and export, optimized media only affects your real time editing and playback experience.
Proxy Files offer more flexible generation and management options, while Optimized Media specifically allows optimizing partial timeline segments rather than requiring full clips, a genuine advantage for projects with huge amounts of source media.
Yes, this is genuinely worth doing, since optimized media files, particularly from RAW source footage, remain substantial in size and can accumulate significant drive space across multiple past projects if never cleared.
Confirm you've enabled Use Optimized Media If Available under the Playback menu, generating optimized media alone doesn't automatically enable its use during playback.
Generating optimized media in DaVinci Resolve genuinely solves the frustrating choppy playback problem that comes with editing high resolution or RAW footage on hardware that's struggling to keep up in real time. Understanding the actual distinction between Optimized Media and the newer Proxy Files workflow, choosing the right codec for your specific platform, and remembering to actually clear this generated media once you're finished with it, turns this feature from an occasional troubleshooting step into a genuinely reliable, well managed part of your regular editing workflow.
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