Enable vp9 safari. Like you, I have the same problem.

Enable vp9 safari In 2019 is this still necessary? Most GP I can't get 4k to work, even though I followed every step that earlier posts mention (enable VP9 decode on battery, turn off battery saving features). Information is scarce. In VP9/ On the basis of HEVC, the coding efficiency is increased by about 30%. Also you don't need Big Sur - the Safari Tech Preview on Catalina also has VP9 (disabled by default - see the "Develop > Experimental Features" menu). Go to experimental features and enable VP9 SW decoder. Like you mentioned, I also see AV1 enabled on edge://gpu but no playback on the test video page you posted. 1. All the guides online are pretty old and seem tailored to windows. I'm awaiting a response soon hopefully on next steps. Mar 21, 2023 · Now choose Develop > Experimental Feature. And you need to enable HDR Mode Capability and enable VP9 SW developer on battery and VP9 Decoder. I've also just upgraded to Sequoia and this has not restored that functionality, and the webkit preview doesnt do any differently. Second Point: Netflix (Ultra HD plan) works at maximum 1080p on Safari and maximum 720p on Chrome, Edge, Firefox. Jul 28, 2022 · I have tried deleting cookies, enabling VP9 decoders in the developer menu, and restarting Safari, none of those make a difference. 10 VP9 decoding on Safari requires at least Safari 14. I actually saw decreased CPU usage and a difference in performance especially when waking from sleep — this wasn't just a placebo on my set up at least. I had 4K playback options throughout all of the Public Beta, & when iPadOS 14/14. Oct 12, 2024 · Safari 18 has dropped support for vp9 decode (ie youtube 4k) After upgrading safari recently, I found I've lost the ability to decode vp9 videos. About Apple security updates For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available. 1 came out, those options disappeared. H264 and H265 are said to be "supported, smooth and power efficient". . A few months ago, I was being able to watch youtube 4k or higher using AV1 HW decoding, now I'm stuck at VP9. May 16, 2024 · If videos play on Chrome, then this is a Safari / Quicktime limitation. I would like to play 4K videos from YouTube, but it seems to only be possible via software decoding (at least on Safari). Also, my VM doesn't have a GPU passed through so it must be software decoding. I know empirically (from using Chrome and Safari) that VP9 decode is supported in hardware on Ap May 16, 2024 · The Safari 17. Aug 6, 2021 · New Macs, 4k HEVC Old Macs, 1080 HEVC And PC or Non-Safari Computers. Hopefully it's just disabled in some of Edge's updates and they're gonna bring it back. The only thing that fixes it is restarting the Mac. I am trying to enable "VP9 SW decoder on battery" and "WebRTC VP9 profile 2 codec" as I have in the past to watch YouTube videos in 4k, but the "experimental features" dropdown menu is gone. Does the VP9 support work in Safari and other browsers in video players (including embedded YouTube)? 6. May 14, 2021 · After enabling VP9 in docker-compose, jicofo. Check if YouTube is down Anyway Vega 7 has hw acceleration for YouTube Decode vp9 profile0 64x64 to 8192x4320 pixels Decode vp9 profile2 64x64 to 8192x4320 pixels The big problem is that on 4k vp9 on youtube, my vega 7 igpu is using the amd super codec 0, and the cpu is staying at 1%, now on av1 the cpu goes crazy resulting in a lot of power consumption and heat Nov 19, 2024 · About the security content of Safari 18. The results with AV1 are likely to be more extreme as it's even more complex. Tried contacting Netflix support but they weren't able to resolve the issue. Fully understand there is no hardware decoding support on this machine but software decoding should still happen. AV1… Is there something special I need to do with Edge on mac to enable youtube 4k? Safari just got the update, and Chrome on the mac seems to handle 4k just fine. What's the problem ? How do I enable it ? (it runs smoothly in Firefox and Chrome, so it's no hardware issue Jul 11, 2023 · So if remember correctly with Safari 15 Youtube started to serve videos in VP9 instead of h264 as it was before. 2. Kind regards, Jason Nov 21, 2007 · The 8K playback is only available on Google Chrome and Firefox. Here is a few solutions for it. – Go to the Develop tab -> Experimental features -> enable VP9 SW decoder on battery & VP9 Decoder and restart Orion. Now click the Start func­tion but­ton and gen­er­ate your . MediaRecorder has been enhanced to support WebM files using Opus audio codec with VP8 or VP9 for video, as well as ISOBMFF (fragmented MP4) files compatible with Media Source Extensions. 264), WebM (VP9), and OGG (Theora), developers gain broad browser compatibility and seamless web integration. This is the only solution on the internet that actually works. 4 table Updated with new flasher domes Updated Flasher lights Adjusted lighting and brightness New cabinet Sideblades and POV for 10. That's not a problem on a desktop, but you'll have much worse battery life on a laptop compared to H. This is extremely frustrating because I just want to be able to watch media without having constant dropped Apr 15, 2025 · When developers specify mimeType: 'video/webm', Safari will encode video using VP8 or VP9 and audio using Opus, depending on what the device supports. I'm on Ventura 13. Bollocks. 4k VP9 (They don't support HEVC) My 2015 Mac still won't play a 4k video even in Big Sur 11. 4. Yep, CPU going to 40-50% and GPU 1-5% whereas before it was the opposite. Enabling them does nothing on my end. Nov 14, 2021 · Try enabling the developer menu in Safari and enabling "VP9 SW decode on battery" on Develop -> Experimental Features. 1 Safari Go to Safari preferences > advanced > √ the box for Show Develop menu in menu bar (under advanced) Develop (menu) >Go to experimental features and enable VP9 SW decoder on battery & enable VP9 decoder Heres how to enable 4k streaming in Safari on older Macs! ( Non-T2 chip Macs ) - Check comment Jan 4, 2022 · Apple added support for both opus and vp9 a while ago, but messed up the feature detection for it. On my 2021 14" MBP I get HDR on battery (once I set the user agent to Chrome/Windows). 264 and other popular codecs have less of a hold on the streaming industry, making way for VP9 and other more efficient codecs. The user agent remains at default, and everything works properly in terms of HDR content, but that is on Dec 29, 2021 · Surf'n Safari by Premier 1991, DT, FS and FSS. 4 and Safari 16. Question is, would it be possible for a fork of Firefox to enable this feature? Prior to Monterey 12. Handbrake also supports these codecs. So a simple solution would have been everybody just use VP9 and WebM but it seems that didn't happen or if it did I dunno why I can't. 4 expands media capabilities with support for the Image Capture API, enabling the capture of images from cameras through MediaStream Image Capture API. js to use the VP8 video codec in Safari. Dec 7, 2020 · I ran a brief test comparing VP9 software and hardware decoding to illustrate the significant difference. 0. 265 (after all, Chromium now supports it). Reply Technically, Intel and AMD have done so for VP8/VP9 in the past. Jan 28, 2021 · Youtube hdr works in chrome but causes high CPU. Learn how to enable H. On Safari, go to Preferences > Advanced, and check the box at the very bottom, "Show Develop menu in menu bar" 2. Special Thanks to: JPSalas: scripts, sounds and more Dboyrecords: testing and photographic material supplier Arngrim: testing and DOF Akiles50000: testing Bent98: testing Knorr: testing Destruk: sound subs from JP'S LOTR Jodannar: testing Zany: primitive flippers Cyberpez for rod spinner animated idea Gtxjoe for rod code animation Mike DA Spike The company has enabled the VP9 codec for apps on iOS 14 and tvOS 14, which allows users to watch 4K HDR videos on YouTube for the first time, but Safari 14 is yet to get this codec. 16. enable Develop Menu in Safari Preferences > Advanced, then enabled VP9 SW decoder. Mar 26, 2025 · Disable Ads Blockers – Go to the Develop tab -> Experimental features -> enable VP9 SW decoder on battery & VP9 Decoder. Apr 6, 2025 · Safari 18. Now on the Menu Bar, go to Develop > Experimental Features and disable "VP9 decoder" 3. js. 11 AV1 decoding is only available on devices with A17 or M3 series chips or newer and requires at least Safari 17. Jan 4, 2025 · The best solution in the long term is for the vendors to update their sites to be secure and use HTTPS, and then for you to re-enable the warning in Safari. It is open and free. 265/HEVC compatibility. I noticed that 4K HDR videos play really smoothly, No frame drop, No overheating, Very low power consumption What about playing them in the Files app? Yep, it works, but you gotta switch the file container to MP4. 1440p and 4K also gets enabled on YouTube when I do this. 1 with VP9 which was CPU transcoded (since my 8th gen Intel CPU doesn't support Quicksync VP9 encoding) on immich. 265 decoding, and VP9 decoding on Windows, but I can’t find a way to enable it on macOS Safari, or information is it even GPU dependant. Interestingly enough, CapCut supports VP9. Turns out, you can enable the VP9 codec and some other features on Catalina as well. Also Big Sur made some improvements here if you’re on an older version. Recent releases are listed on the Apple security releases page. Go to Safari > Preferences > Advanced > check Show develop menu, then go to Develop > Experimental Features and enable VP9 SW decoder on battery and WebRTC VP9 profile 2 codec. Which enabled resolutions over 1080p but disabled GPU decoding. Youtube is not playing 4k in Safari (version 15. Here's everything you need to know about VP9. YouTube should work now! If you want to hide Develop in the menu bar, go back to Preferences > Advanced and uncheck the box we checked in step 1 Oct 23, 2020 · There is also an experimental feature in Safari under the Developer menu to enable vp9 decoding on battery I believe. Tuesday 15 October, 2019 (updated: Thursday 4 June, 2020) Update June ’20: HEVC encoding is supported in Catalina directly. Jan 16, 2021 · in this video I will show how to get VP9 4k Videos on safari pretty easy pretty simple Oct 30, 2023 · Agora has now solved the issues with VP9 in the Safari browser by providing dynamic resolution scaling on Safari 16. Restart Safari. Apparently, some older Mac doesn't support 4k on Youtube, you can still try to play them with Google Chrome. Navigate to "Experimental Features" Enable "VP9 SW Decoder on Battery", "VP9 Encoder" and "WebRTC VP9 Codec" You should now have access to 4K YouTube videos in Safari. VP9 Decoder doesn’t seem to exist. On the Sonoma RC1 with a M2 Mac both the technology preview and regular safari have webcodecs/webrtc flags for av1 codecs. kushwavez Posted January 29, 2021 kushwavez Members 434 Gender: Male Location: Hungary Posted January 29, 2021 Notebook 1 in my signature: SMBIOS MBP15,2: Aug 6, 2024 · VP9 is currently one of the most efficient video codec technologies used in streaming videos over the internet. For a more detailed writeup of the various codecs and their browser support, we highly suggest Mozilla's excellent documentation. Feb 28, 2022 · 1. So I uninstalled AdGuard, disabled the content blocker from Safari itself, cleared the Cache and did, in my view, everything I can to try and get Youtube working again - wihtout success. webm, you might be won­der­ing why we’re mak­ing anoth­er ver­sion of My Chrome config (on the latest version on an M1 MBA) did not have VP9 hardware decoding enabled on the "default" option as confirmed through the chrome GPU test page. 264. 0 or later of OpenTok. Specifically, enabling "VP9 SW Decoder on Battery" and disabling "VP9 Decoder" has been found to work for some users. 265 and instead uses the older VP9 format. In Safari Menu bar open Developer, Experimental features and turn off VP9 and VP9 Battery. It is designed for ultra-high-definition resolution, wide color gamut and high dynamic range enhancement. Jun 19, 2007 · 3. Deleting/reinstalling the app, power cycling as well as enabling VP9 in Safari Experimental settings does not seem to have worked. Ensure that this feature is enabled: Settings > Safari > Advanced > Experimental Features > VP9 Decoder - set to ON NB: Beware of changing any other WebKit settings; this section of iPad settings does not have a “reset to defaults” option - and settings changes here can have significant How do I disable Safari VP9? On safari, try going to Develop tab > Experimental features > disable VP9 decoder, and then restart Safari. Also kill the coraudiod process in Activity Monitor. Well, at least apple is taking steps towards adopting AV1. Feb 11, 2009 · Download Surf'n Safari 1. Jun 18, 2017 · Safari and Webkit New Features in macOS Big Sur 11 beta 4 Support for 4K HDR playback of YouTube videos. Nov 15, 2021 · Update: Further research indicates that the VP9 codec has experimental support in iPadOS15 WebKit. Only having issues with YouTube. This fee is likely the reason why YouTube hasn’t come to an agreement to use H. If Apple chooses not to enable support through Safari and allow me to make the most out of the high-resolution display on their device, I blame Apple, not Youtube. 2 with Safari 17. Not sure about Quicktime. 265 has more hardware support. Jul 12, 2023 · I think that's because of YouTube's high GPU usage, and I guess that YouTube's hardware acceleration is a new (ish) feature (of either YouTube or Safari) How can I disable that? So I uninstalled AdGuard, disabled the content blocker from Safari itself, cleared the Cache and did, in my view, everything I can to try and get Youtube working again - wihtout success. On Safari, the best option is 4K. I have already tried to enable all the VP9 feature in the advanced settings, but no result. Apple security documents reference Nov 14, 2025 · Wonder ‘Why is my screen green when playing videos’? Learn common causes and 7 proven fixes to stop green screen video playback instantly. Go to the Develop tab -> Experimental features -> enable VP9 SW decoder on battery. Then under User Agent switch it to "Google Chrome – Windows" and refresh the page and HDR options should show up on the video. Initially, I settled for VP9, but users on iOS reported that they were unable to view my videos. Go to safari preferences, advanced, enabled developer. Any idea why this is happening and how to resolve this issue? Thanks! I'll keep an eye on it however. VP9 decoding is enabled in the Develop > Experimental Features menu. I have tried on recent 4k videos which work fine in Chrome or Edge. All good now. Because of this, conferences still use VP8 as the default codec, even using two chrome browsers confirmed to support VP9. Since YouTube has shifted to its codec, safari still uses avc mp4 in YouTube, YouTube has stopped supporting high resolutions for this codec, old videos which were uploaded in 4K still show up, but new ones only are up to 1440p. In Safari > Preferences > Advanced Tab. I know that I can direct stream H. BTW, i was on battery when i noticed this. But this requires a restart of Safari. Hopefully software decoding will be working soon. Jan 6, 2021 · Hi, this is my first post. BUT, I could swear it was smoother back when they were using full-blown hardware acceleration. Nov 15, 2020 · 3. Not working on safari too. 265 in Chrome and other browsers for better video compression. Feb 26, 2019 · There's an extension for Google Chrome and Mozilla Firefox called h264ify, the extension forces YouTube to use h264 encoding over VP9 and similar encodings. That means H. Restart Safari 4. Select Preferences. Video Codec: VP8 or VP9 Audio Codec: Vorbis or Opus The WebM format has gained immense popularity due to several key factors: Open-Source Nature: WebM’s open-source character allows developers to use and implement it without worrying about licensing costs. Seems to be at random. See the comments in RTCDataChannel section for more on Safari’s efforts to prevent sharing of IP addresses. Oct 30, 2023 · Agora is excited to be the first real-time video platform-as a-service (PaaS) provider to release full support for VP9 in browsers including Safari. For more information on video codec support, see this developer guide. YouTube also shies away from the less efficient H. Now that Safari added sup­port for . May 7, 2021 · I have seen other issues pointing to enable or disable VP9 decoder on battery, clearing all cookies and history and restarting Mac, but it does not work for me. Even Google’s Chrome supports HEVC despite Google developing VP9. Can you give a more detailed explanation for number 3. WebRTC (Web Real-Time Communication) has dramatically changed how developers enable real-time audio, video, and data sharing in browsers. 2 I had to enable Chrome-Windows user agent and also tick the VP9 decoders options in the developer menu of Safari, which was a pain because the user agent would revert back to default each time Safari was restarted. Nov 11, 2025 · av1 property shows High browser compatibility on Safari browsers. 264 YouTube in Safari. 5) on Mac OS Monterey 12. Make sure VP9 Decoder has a checkbox next to it. That's where you can help yourself (and others in your organization) by notifying the vendors. This seems to fix the issue for me. Jan 17, 2017 · The simple truth is, we don't know why Apple doesn't add VP9 support in Safari, just like we don't know why Google removed support for H. Safari allows videos to be used as background images, so we can leverage this to make the video work across all browsers. webm video. Any ideas? Edit: I have got this working with the following steps: Enable Developer menu in Safari Settings (bottom of Advanced settings tab) In the newly enabled Develop menu, scroll down to Experimental Features Enable VP9 SW decoder on battery Make sure Check your browser's WebRTC codec support, focusing on H. I've tried disabling and enabling VP9 decoder/updating the OS/restarting the machine but the problem still persists. When streaming content from Netflix, HBO Max or Amazon Prime the stream will start normally and after about 20-30 seconds the video goes "black" but I still hear audio. Nov 12, 2021 · Then in Safari, under Experimental Features, make sure that both VP9 decoder options are enabled, as well as "HDR Media Capabilities". Since its first introduction, WebRTC Safari Oct 11, 2025 · "Can I use" provides up-to-date browser support tables for support of front-end web technologies on desktop and mobile web browsers. A table of HTML5 codec support by browser. Open Safari Settings and go to Advanced Tab and at the bottom Enable Developer. Chrome Version : <Copy from: 'about:version'> URLs (if applicable) : Other browsers tested: Add OK or FAIL, along with the version, after other browsers where you have tested this issue: Safari: Firefox: Edge: What steps will reproduce the problem? (1) Start a webrtc call on apprtc using vsc&vrc=VP9 on Chrome browser on Windows 10 (2) Check chrome://webrtc-internals for codecImplementationName Is this a codec issue? I seen, after some research to enable vp9 codec but cpu still high and fan gradually kicks on to ultra high after about 3 mins of playback. Under the Advanced fea­tures area, choose Enable alpha chan­nel. I believe there’s a setting in Safari you can enable to make VP9 work. -Safari -> Settings For This Website -> uncheck enable content blockers - Disabled all extensions. (64824895) Oct 11, 2025 · "Can I use" provides up-to-date browser support tables for support of front-end web technologies on desktop and mobile web browsers. ini Safari VP9 hardware decoding possible on "unsupported hardware"? I do have the hardware to decode VP9 on my GPU; however my Mac is from 2013, and I am using an eGPU. Efficiency: WebM is known for its I downloaded the Safari 14 beta for macOS Catalina and I don't see 4K options on YouTube. In the case of Safari’s incompatibility with VP9, i see it as more of Apple’s fault than Google’s. After some research, I discovered that Apple supports AV1, so I decided to switch to AV1. Jun 28, 2022 · Chrome 就算是播放 Youtube 上的 vp9 视频，也是软解，不知道为什么。 同一个 vp9 视频，Safari 的 CPU 占用明显会比 Chrome 低很多 Oct 26, 2017 · How to disable WebRTC in Safari for Desktops: Simple Explanation: You can’t. After trying the above commands one by one, close and restart Safari. In safari, I tried enabling vp9 hardware encoder but hdr option is not listed - screenshot attached. May 16, 2024 · That might be it, I've tested on Safari on MacOS Sonoma 14. 264 and VP9 video via HTTP, so I assume the same is possible with H. Google Chrome gives hardware acceleration information in the chrome://gpu page. Whether this is an issue with Safari or with the version of WebRTC used therein we aren’t sure. The Synology is a low-power CPU IIRC, and isn’t up to the task. All to no avail. Click Develop in the Menu Bar. -Safari -> Settings for This Website -> uncheck enable content blockers – Disabled all extensions. It does seem that if we change the default Safari experimental settings below in Beta 8 we are seeing success: “VP9 SW Decoder on Battery” - Enabled “VP9 Decoder” - Disabled Add your source video in the Choose files area, then select VP9 as your func­tion. Is the VP9 codec only available on macOS Big Sur? I thought this was a browser level issue and not a system level issue? Nov 23, 2020 · I lurked around a lot for my bootcamp setup but now I need to ask for help directly. Jan 16, 2021 · in this video I will show how to get VP9 4k Videos on safari pretty easy pretty simple Nov 13, 2020 · Exactly what Bernard said Enable Developer menu in your Safari Settings, then go to : - Developer menu - Experimental features - VP9 SW decoder on battery (on) - Web RTC VP9 codec (on). How to send 4K videos from Safari to Chrome It couldn’t be simpler, just follow the steps below. Jul 9, 2019 · The H. By sequence try one by one, the fully close and restart Safari. Sometime after, it just stopped working. Look at your CPU usage when watching VP9. Dec 23, 2022 · SafariTube is a simple userscript for Tampermonkey, which simply makes YouTube think it's running on Chrome, enabling a much better user experience, from features such as hover previews to improved video playback and an overall improved YouTube experience. But no VP9. A year or 2 ago, I managed to get 4k working on Safari by enabling experimental features, VP9 codec and such. Modern (Chromium) Edge does not. 8 Desktop users can turn off the sideblades on line 105 in the script Included Table, POV. YouTube should work now! If you want to hide Develop in the menu bar, go back to Preferences > Advanced and uncheck the box we checked in step 1 Dec 26, 2020 · Try to go in Safari Settings > Advanced > Enable "Show developer menu". High browser compatibility means the av1 property is Fully Supported by a majority of Safari browser versions. ~~* Enable Developer menu in Safari Settings (bottom of Advanced settings tab) In the newly enabled Develop menu, scroll down to Experimental Features Enable VP9 SW decoder on battery Make sure VP9 decoder below is enabled (should be already)~~ EDIT: Nope - still happening. By offering multiple format options like MP4 (H. 4 is a significant one for web developers. Nov 26, 2020 · It might still be in testing on macOS but you can enable it in macOS 11. 4 update brought in many modern features and bug fixes. Aug 4, 2020 · Yes, I confirm. In the developer menu enable "VP9 SW decoder" and "VP9 SW decoder on battery". I do have an RX 5700 XT in my Mac, but only a 4th gen Intel CPU. js remains unchanged. Can you drag and drop VP9 in to iOS/iPadOS 14 video editors with full hardware decode support? 7. Installed Big Sur in November and noticed an issue with Safari. That being said your experience may vary, as with all Chrome flags. Dec 25, 2016 · -Enable Developer menu in Safari Settings (bottom of Advanced settings tab) -In the newly enabled Develop menu, scroll down to Experimental Features -Enable VP9 SW decoder on battery -Make sure VP9 decoder below is enabled (should be already) All of them are turned on and seems that the 4k youtube is gone, anyone else with same issue? I am not able to make it work with latest Safari and Big Sur, it seems limited to 1080p. Can someone please advice how to fix this. Does anyone know if VP9 (hardware) support is enabled for NAVI eGPU on MacOS Big Sur? I can’t make it work and use the eGPU in chrome or safari, it only works when I enable the software option which uses the CPU. This characteristic facilitates broader adoption and contributes to a more diverse media ecosystem. 3. enable developer mode in edge? Because, unfortunately there's no enable developer mode button in edge and any web solutions I seen either open up a console, or look to chane settings in local policy groups or something. With your mouse, highlight Experimental Features. Vuokoder also supports both VP9 and Opus transcoding as well as ShutterEncoder. Oct 29, 2024 · About the security content of Safari 18. Click on VP9 SW Decoder on battery. Youtube removed 4k h. For M1 Pro, here is what I got. Jun 17, 2024 · This doesn’t exist that much for VP9 but is more prevalent in HEVC. a long list in Chrome & Firefox. Explore the major development-specific updates you should be aware of. Should I force safari to use H264? If so how is that possible, does anyone else have this issue. Click Safari in the Menu Bar. Mar 5, 2024 · Aside from the VP9 support and switch checkboxes, which others have mentioned, I'm particularly interested in the "Align content everywhere" feature, allowing you to use Sep 18, 2023 · I'm trying to check whether a device running on Apple Silicon supports hardware video decode of VP9. But the fact that AMD removed theirs via a driver update speaks to how bad of an idea it is to decode using OpenCL! Nov 14, 2020 · Opened ticket with Apple Support At the current time, my ticket is with a Senior Advisor at Apple. 264 for high resolution streaming due to bandwidth costs. Oct 2, 2020 · Having the same issue. Enable "Show Develop Menu in Menu Bar" Tab on Develop in menu bar. Now, after 12. As Apple’s flagship browser, Safari’s support for WebRTC is crucial for delivering seamless video conferencing, peer-to-peer file sharing, and interactive applications to millions of macOS and iOS users. Aug 7, 2024 · Neither your TV nor your Synology has hardware decoding of VP9, so the Synology is attempting software decoding of vp9 to transcode it to something your TV can display. Is VP9 HDR supported? If so, is there automatic HDR to SDR dithering (for iDevices that need it)? Yes, iOS 15 / macOS Big Sur added WebM capabilities to Safari, as well as a decoder for the VP9 video codec. Jun 13, 2022 · Just like the title says. Everything is on the latest software it can be, experimental features are enabled, I've tried re-setting, even did a clean install of MacOS for unrelated reasons, still not working. 8. It’s possible that your CPU doesn’t have a hardware VP9 decoder. 264 support. The VP9 is the new codec that is required for YouTube to show HDR. This aligns Safari with other browsers and allows web apps to produce smaller, widely compatible media files — ideal for screen recordings, video messages, or browser-based editing tools. Problem is, for Stadia specifically, they don't allow Safari. 4, this March’s release of Safari 17. Wether it works well on your hardware - who knows. May 28, 2019 · Best of all? The extension also works for opening any page in Chrome—great when you stumble upon a website that doesn’t work well in Safari! With a click of the toolbar button, the problematic page is sent to Chrome. They've had me enable and re-enable the VP9 decoder in Safari (Develop Menu / Experimental Features). Jan 6, 2021 · Open Safari on your Mac. But at least on Edge you can enable vp9. Restart Safari 6. Examples of other projects that have something similar: Google Chrome v86 (see test results below) Safari QuickTime Player possibly others Test Results: I use the NFL Gamepass service and it’s been giving constant errors about my WiFi on Safari with Big Sur. I even get terrible 1080p bitrates, to the point of where 720p in another browser looks better. It's as though the stream is still VP9 and Opus is supported by Safari’s WebKit since they are primary codecs that Google and YouTube use for high quality media. Go to Develop > Experimental Features and re-enable "VP9 decoder"; also enable "VP9 SW decoder on battery" 5. It’s the vp9 codec issue which isn’t supported by safari yet. Otherwise, disabling "WebRTC Platform UDP Sockets" in the iOS Safari Advanced Experimental Features has also been found to work. Detailed Explanation: Apple announced the addition of WebRTC support to Safari 11 for iOS but doesn’t mention adding it to Safari in Mac OS for desktops/laptops. Apr 19, 2023 · Thanks to an iOS update release in early 2020, it is now possible to use VP9 for streaming everywhere, including on Apple devices and all major platforms. Jan 28, 2025 · Talk to an Expert Conclusion HTML5 advances web multimedia by enabling seamless audio and video playback through versatile codec technologies. 6. Click the check box next to Show Develop menu in menu bar. 5 4 Votes 0 First all thanks to Kiwi for the original table and permission to mod his v1. In edge://flags, I don't see an option to enable VP9. Jun 26, 2020 · 5. Oct 2, 2021 · I keep getting the black screen with audio playing when I click on 4k titles. 0 and later versions for desktop and mobile to adapt to the needs of a low-compute device or limited uplink. However, it looks like it's definitely using AV1 software decoding. * Legacy Edge supported HEVC. You must use version 2. But an iPhone 8 will iOS 13 or so. A lot of streaming services seem to have issues with it. Additional steps to check are that the 'Optimize battery for streaming' is disabled in battery settings. That’s especially true since ALL Apple devices have HEVC support in them – at least when using WebRTC in Safari. conf is modified to reflect the change, but web/config. Oct 25, 2020 · Enable the 'Develop' tab by going into the Safari tab > Preferences > Advanced tab > Tick 'Show Develop menu in menu bar' Then press the 'Develop' tab > Experimental Features > Disable VP9 Decoder EDIT: To any future readers that have this problem, I managed to fix this by enabling Developer settings in Safari, then enabling the 'VP9 Decode SW Battery' option, as I already have the 'VP9 decode' option enabled. HEVC encoding uses the AVFoundation library – updated Mar 5, 2024 · Just like Safari 15. But, since VP9 is open source and royalty free, it is likely that Apple wants to make sure that Safari is outfitted with a licensed official video compression standard. 265 codec supported by Safari is more efficient than VP9 but carries a licensing fee. I checked with Video Verbose tool - it says no VP9 support in my browser. If really all this doesn't help ü, then ü can only wait for next beta and -Enable Developer menu in Safari Settings (bottom of Advanced settings tab) -In the newly enabled Develop menu, scroll down to Experimental Features -Enable VP9 SW decoder on battery -Make sure VP9 decoder below is enabled (should be already) All of them are turned on and seems that the 4k youtube is gone, anyone else with same issue? But. About the security content of Safari 18 This document describes the security content of Safari 18. Oct 15, 2019 · Home About How to make HEVC, H265 and VP9 videos with an alpha channel for the web HEVC encoding on macOS Catalina now supports encoding an alpha channel, enabling many creative options on the web and inside apps. Also, make sure HDR Media Capabilities is turned on. May 21, 2024 · Changing the default Safari experimental settings for VP9 decoding seems to resolve the issue. 2, this is no longer necessary for me. There were some frame drops during playback, just like when I Jun 19, 2017 · Fingerprinting Policy Safari only showed a single pair of audio & video devices for me vs. 1 This document describes the security content of Safari 18. When I pause/close vid it stops. The other reason for using HEVC is media processing outside of WebRTC. Did you download VP9 from youtube, or encode yourself? If the latter, don’t do that for plex; h. I saw recently that the Big Sur beta supports the VP9 codec in Safari, so I went to check out if there was a beta for Catalina of the new Safari. To use VP9 video codec in Safari, you must use version 2. Feb 20, 2023 · AV1 is a next-generation video coding format developed by the Alliance of Open Media Video. And of course the GPU does support H. 27. May 22, 2024 · Format Description for VP9 -- VP9, the successor to VP8, is the open and royalty free video coding compression format for encoding and decoding high-definition video for the web. Like you, I have the same problem. I can just use Firefox or chrome and have 4K? Yes, it will work, but it decodes VP9 in software, not hardware, since MacOS doesn't support VP9. " options. But whatever I do, no 4K support. On YouTube, they're using hardware decoding for AV1. I am already aware of the Develop Menu and checking off BOTH "VP9 decoder" options as well as checking off "HDR Media capabilities. Streaming and broadcasting services have traditionally been using royalty bearing video Nov 13, 2020 · Hi ! I just installed Big Sur on my MackBook Pro (end 2016), expecting youtube in 4K on Safari. - Disable Ads Blockers - Go to the Develop tab -> Experimental features -> enable VP9 SW decoder on battery & VP9 Decoder. mbbk hcfp dlm bswmip wsda akfriqq zkngc bmqcg sgpwmt uanors quldx pada nwkqm kphq nrlzpt