How To Enable Hardware Acceleration In Chromium On ...

This article explains how to enable hardware acceleration in Chromium browser running on Raspberry Pi OS (for Raspberry Pi 4). AboutSubmitATip LinuxUprisingblogHomeHowToEnableHardwareAccelerationInChromiumOnRaspberryPiOS(RPi4) Logix  Updatedon2021-06-08T11:02:02Z chromium, how-to, raspberrypi, videoThisarticleexplainshowtoenablehardwareaccelerationinChromiumbrowserrunningonRaspberryPiOS(forRaspberryPi4). ByenablingGPUacceleration,theCPUusageshouldbemuchlowerwhenplayingsupportedvideos(forexampleonYouTube).Inmycase,usingaRaspberryPi4ModelB,themainChromiumgpuandrendererprocesseswentdownfrom~160%and~130%tounder~30%and23%CPUusage(accordingtohtop)afterenablinghardwareacceleration.Asasidenote,thisisaprerequisiteforanarticleIplanonwritingsoon.RaspberryPiOScomeswitheverythingthat'sneededtorunChromiumwithhardwareaccelerationonaRaspberryPi4,butitdoesn'tworkoutofthebox.ForRaspberryPi4there'snoneedtoinstallextrapackages,enableOpenGL,andsoon,asthosearealreadyenabled.You'llonlyneedtoenablesomeChromiumbrowserflags;belowthere'salsoa"fix"forscreentearingwhichoccurswhenplayinghardware-acceleratedfullscreenvideos.I'vetestedthisusingaRaspberryPi4ModelB(usingRaspberryPiOS),soIcanonlyconfirmthisisworkingforit. Accordingto this,youmayneedtoenableOpenGLwithfake/fullKMSusingraspi-configforolderRaspberryPimodels(I'mnotsureifextrastepsarerequiredonoldermodels).Thisisn'trequiredfortheRaspberryPi4. However,sinceIcanonlytestthisonaRaspberryPi4ModelB,andIdon'tliketowritearticlesaboutthingsIcan'ttestmyself,I'monlyfocusingonRaspberryPi4andinstructionsforitinthisarticle.EnablehardwareaccelerationinChromiumbrowserrunningonRaspberryPiOS(RaspberryPi4)ToenablehardwareaccelerationinChromiumbrowserrunningonRaspberryPiOS(RaspberryPi4),followthe3steps(well,morelike2.5)below: 1.EnablehardwareaccelerationinChromiumbrowser.Enablethefollowingflagsinchrome://flags:Overridesoftwarerenderinglist:chrome://flags/#ignore-gpu-blocklistHardware-acceleratedvideodecodechrome://flags/#enable-accelerated-video-decodeGPUrasterization: chrome://flags/#enable-gpu-rasterizationRestartChromiumwhenyou'redone.2.Ensurethattheh264ifyChromiumextensionisenabled.ChromiumonRaspberryPiOScomeswithuBlockOriginandh264ifyextensionsinstalledbydefault.Makesurethath264ifyisenabled,soYouTubeusesh264-encodedvideosforwhichtheRaspberryPisupportshardware-acceleratedvideodecode.3.Optional:Fixfull-screenvideotearing.Tofixfull-screenvideotearing(fixvia),we'llneedtodisablethecompositor.Todothis,openaterminalontheRaspberryPi,andrunthefollowingcommandtoruntheconsoleversionoftheRaspberryPiSoftwareConfigurationTool:sudoraspi-configUsethe Up / Down arrowkeystonavigatethroughitsmenu,and Tab toselectbuttonslike Finish, OK or Back.Todisablethecompositor,gotoAdvancedOptions->CompositorandchooseNotodisableit.Whenyou'redone,choose Finish andrebootyoursystem.That'sit.YourChromiumwebbrowsershouldnowbehardwareaccelerated,andbeabletoperformhardware-acceleratedvideodecode.Related: HowToEnableHardwareAcceleratedVideoDecodeInGoogleChrome,Brave,VivaldiAndOperaBrowsersOnDebian,UbuntuOrLinuxMintHowtocheckifChromiumbrowserishardwareacceleratedTocheckifChromiumbrowseruseshardwareacceleration,visit chrome://gpu inChromium:Ifhardwareaccelerationisenabled,  itshouldshowallthehardwareacceleration-relatedfieldsingreen.Thisishowitusedtolookbeforeenablingtheflagsmentionedabove(sointhescreenshotbelow,hardwareaccelerationisnotenabled):Tocheckoutifhardware-acceleratedvideodecodingisworkinginChromium,playaYouTubevideo,thenpressCtrl+Shift+iwhichwillopentheChromeDevTools.Next,clickthe3verticaldotsmenufromtheupperright-handsideofChromeDevToolsandchooseMoretools->Media:InthenewMedia DevToolstab,clicktheYouTubevideoontheleft(underPlayers),thenmakesurethePropertiessub-tabisselected,andscrolldowntotheVideoDecodersection.WithChromium88+onRaspberryPiOS,theDecodername valueshouldbeMojoVideoDecoderifhardwareacceleratedvideodecodeisenabledandworking.UpuntilChromium86(I'mnotsureaboutversion87),thedecoderwasnamedMmalVideoDecoderwhenhardware-acceleratedvideodecodingwasenabledandworking.YoushouldalsonoticeyourCPUusagebeingmuchlowere.g.whenplayinga1080pvideoonYouTube.YoumayalsowanttoenableWidevineinChromiumbrowserrunningonRaspberryPiOS,whichallowsplayingNetflix,AmazonPrime,Hulu,andsoon.ShareThis:Mastodon 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