--- title: Video codecs: Adding AV1 stateless video decoder support... description: Linux kernel v6.5 includes 22 patches adding AV1 stateless video decoder support via a new uAPI, along with drivers for two hardware platforms: Rockchip RK3588... canonical: https://daily.dev/posts/video-codecs-adding-av1-stateless-video-decoder-support-to-linux-nvcftmskx twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Video codecs: Adding AV1 stateless video decoder support to Linux | daily.dev og:description: Linux kernel v6.5 includes 22 patches adding AV1 stateless video decoder support via a new uAPI, along with drivers for two hardware platforms: Rockchip RK3588... og:url: https://daily.dev/posts/video-codecs-adding-av1-stateless-video-decoder-support-to-linux-nvcftmskx og:image: https://api.daily.dev/og/posts/nVcfTmSKX.png og:image:alt: Video codecs: Adding AV1 stateless video decoder support to Linux og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Video codecs: Adding AV1 stateless video decoder support to Linux **[Collabora Blog](https://daily.dev/sources/collabora)** · 3 min read · 0 upvotes · 0 comments ## Summary Linux kernel v6.5 includes 22 patches adding AV1 stateless video decoder support via a new uAPI, along with drivers for two hardware platforms: Rockchip RK3588 and MediaTek MT8195. The effort, led by Collabora, took several years and required a stable uAPI proven across two different hardware vendors. The Rockchip driver alone added 8,800 lines of code across 10 patch revisions over a year. Userspace support is provided through v4l2codecs (a GStreamer element) and 305 conformance test files added to the Fluster framework. AV1 is royalty-free and open source, making it well-suited for Linux adoption as AV1 hardware becomes more common in consumer devices. GStreamer support is expected in version 2.24 around October 2023. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Questions this post answers ### What hardware platforms got AV1 stateless video decoder support in Linux kernel v6.5? Linux v6.5 added AV1 stateless decoder support for two hardware platforms: the Rockchip RK3588 and the MediaTek MT8195 SoC. These are currently the only two hardware IP blocks known to include a stateless AV1 decoder. The Rockchip driver required 8,800 lines of code and 10 patch revisions over a year before being accepted upstream. _Engineers targeting specific SoCs for AV1 hardware decoding on Linux track driver coverage like this on daily.dev._ ### What are the requirements for adding a new video codec to the Linux V4L2 stateless decoder subsystem? Adding a new codec to the Linux V4L2 stateless decoder subsystem requires two things: a stable uAPI and at least two drivers using it on different hardware from different vendors. The two-driver requirement exists to prove the uAPI can meet varied hardware needs. For AV1, the uAPI went through 7 mailing list revisions over roughly two years before being considered stable. _Kernel contributors working through the V4L2 codec upstreaming process find peer experiences like this useful on daily.dev._ ### How many AV1 conformance test files were added to Fluster for Linux kernel testing? 305 AV1 conformance test files were added to Fluster to cover a broad range of AV1 features, including 10-bit pixel-format support and film grain. Film grain is a process where newer codecs like AV1 remove a noise pattern from the picture due to its random nature and poor compressibility. These tests were upstreamed starting in November 2021. _Developers validating video codec implementations against conformance suites follow upstream testing developments on daily.dev._ ## Similar posts on daily.dev - [Apple Video Decode Driver Posted For Upstream Linux Kernel Review](https://daily.dev/posts/apple-video-decode-driver-posted-for-upstream-linux-kernel-review-pfockg6ep) · Phoronix · 0 upvotes · 0 comments - [Decoding with Rockchip at Kernel Recipes 2026](https://daily.dev/posts/decoding-with-rockchip-at-kernel-recipes-2026-gisa2vyfl) · Collabora Blog · 0 upvotes · 0 comments - [New Rockchip RKCIF & RKVDEC HEVC Media Drivers For Linux 6.19](https://daily.dev/posts/new-rockchip-rkcif-rkvdec-hevc-media-drivers-for-linux-6-19-89ndcuhji) · Phoronix · 0 upvotes · 0 comments - [Nouveau Patch For Linux 7.3 Allows For NVK Vulkan Video Atop NVIDIA NVDEC](https://daily.dev/posts/nouveau-patch-for-linux-7-3-allows-for-nvk-vulkan-video-atop-nvidia-nvdec-amnwvtpzw) · Phoronix · 0 upvotes · 0 comments - [Intel ANV Driver Enables Vulkan Video AV1 Encoding For DG2/Alchemist GPUs](https://daily.dev/posts/intel-anv-driver-enables-vulkan-video-av1-encoding-for-dg2-alchemist-gpus-nos9esbep) · Phoronix · 0 upvotes · 0 comments --- Tags: [#linux](https://daily.dev/tags/linux) [View this post on daily.dev](https://daily.dev/posts/video-codecs-adding-av1-stateless-video-decoder-support-to-linux-nvcftmskx) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Video codecs: Adding AV1 stateless video decoder support to Linux","url":"https://daily.dev/posts/video-codecs-adding-av1-stateless-video-decoder-support-to-linux-nvcftmskx","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/video-codecs-adding-av1-stateless-video-decoder-support-to-linux-nvcftmskx"},"datePublished":"2026-08-11T08:56:28.964Z","dateModified":"2026-08-11T09:38:13.268Z","description":"Linux kernel v6.5 includes 22 patches adding AV1 stateless video decoder support via a new uAPI, along with drivers for two hardware platforms: Rockchip RK3588...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/7cc8a346799dbfea4aca8141012f5c05?_a=AQAEuop","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/7cc8a346799dbfea4aca8141012f5c05?_a=AQAEuop","isAccessibleForFree":true,"articleSection":"Collabora Blog","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Collabora Blog","logo":"https://media.daily.dev/image/upload/s--ZGZ0FjqS--/f_auto,q_auto/v1786438306/logos/collabora?_a=BAMAMicg0","url":"https://daily.dev/sources/collabora"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/video-codecs-adding-av1-stateless-video-decoder-support-to-linux-nvcftmskx","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"linux","timeRequired":"PT3M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Collabora Blog","item":"https://daily.dev/sources/collabora"},{"@type":"ListItem","position":3,"name":"Video codecs: Adding AV1 stateless video decoder support to Linux"}]} {"@context":"https://schema.org","@type":"FAQPage","@id":"https://daily.dev/posts/video-codecs-adding-av1-stateless-video-decoder-support-to-linux-nvcftmskx#faq","mainEntity":[{"@type":"Question","name":"What hardware platforms got AV1 stateless video decoder support in Linux kernel v6.5?","acceptedAnswer":{"@type":"Answer","text":"Linux v6.5 added AV1 stateless decoder support for two hardware platforms: the Rockchip RK3588 and the MediaTek MT8195 SoC. 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