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macOS 11 Big Sur Safari YouTube 4K HDR VP9 support

Superhai

Superhai

macrumors 6502a
Apr 21, 2010
734
577
For those interested here is the Activity Monitor sampling of VTDecoderXPCService while playing a YouTube 4k stream on my MBP.

Code: 
Sampling process 9303 for 3 seconds with 1 millisecond of run time between samples
Sampling completed, processing symbols...
Analysis of sampling VTDecoderXPCService (pid 9303) every 1 millisecond
Process:         VTDecoderXPCService [9303]
Path:            /System/Library/Frameworks/VideoToolbox.framework/Versions/A/XPCServices/VTDecoderXPCService.xpc/Contents/MacOS/VTDecoderXPCService
Load Address:    0x1023eb000
Identifier:      VTDecoderXPCService
Version:         ???
Code Type:       X86-64
Parent Process:  ??? [1]

Date/Time:       2020-08-11 06:54:23.901 +0200
Launch Time:     2020-08-11 01:17:24.814 +0200
OS Version:      macOS 11.0 (20A5343i)
Report Version:  7
Analysis Tool:   /usr/bin/sample

Physical footprint:         9372K
Physical footprint (peak):  41.0M
----

Call graph:
    2822 Thread_921156   DispatchQueue_1: com.apple.main-thread  (serial)
    + 2822 start  (in libdyld.dylib) + 1  [0x7fff68a05851]
    +   2822 main  (in VTDecoderXPCService) + 16  [0x1023eef96]
    +     2822 xpc_main  (in libxpc.dylib) + 437  [0x7fff68c924fb]
    +       2822 _xpc_objc_main  (in libxpc.dylib) + 825  [0x7fff68c92a73]
    +         2822 -[NSRunLoop(NSRunLoop) run]  (in Foundation) + 76  [0x7fff2a0f63e4]
    +           2822 -[NSRunLoop(NSRunLoop) runMode:beforeDate:]  (in Foundation) + 212  [0x7fff2a067fd1]
    +             2822 CFRunLoopRunSpecific  (in CoreFoundation) + 563  [0x7fff27694134]
    +               2822 __CFRunLoopRun  (in CoreFoundation) + 1315  [0x7fff27694d40]
    +                 2822 __CFRunLoopServiceMachPort  (in CoreFoundation) + 316  [0x7fff27696650]
    +                   2822 mach_msg  (in libsystem_kernel.dylib) + 60  [0x7fff68b74590]
    +                     2822 mach_msg_trap  (in libsystem_kernel.dylib) + 10  [0x7fff68b7421e]
    2822 Thread_936039
      2822 start_wqthread  (in libsystem_pthread.dylib) + 15  [0x7fff68c3d4c3]
        2822 _pthread_wqthread  (in libsystem_pthread.dylib) + 414  [0x7fff68c3e556]
          2822 __workq_kernreturn  (in libsystem_kernel.dylib) + 10  [0x7fff68b758de]

Total number in stack (recursive counted multiple, when >=5):

Sort by top of stack, same collapsed (when >= 5):
        __workq_kernreturn  (in libsystem_kernel.dylib)        2822
        mach_msg_trap  (in libsystem_kernel.dylib)        2822

Binary Images:
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       0x1024f6000 -        0x102591ff8  com.apple.driver.AppleIntelHD5000GraphicsMTLDriver (16.0.37 - 16.0.0) <37198991-203C-36AA-BC18-172676DF8D0D> /System/Library/Extensions/AppleIntelHD5000GraphicsMTLDriver.bundle/Contents/MacOS/AppleIntelHD5000GraphicsMTLDriver
       0x102660000 -        0x102663fff  com.apple.AppleIntelHSWVA (16.0.37 - 16.0.0) <9E6ADFD6-2C1C-380C-924B-0B44672FB1FE> /System/Library/Extensions/AppleIntelHSWVA.bundle/Contents/MacOS/AppleIntelHSWVA
       0x1068bf000 -        0x106a8efff  com.apple.AppleIntelHD5000GraphicsVADriver (16.0.37 - 16.0.0) <96C510C0-E375-32D5-A818-A39BE1601D43> /System/Library/Extensions/AppleIntelHD5000GraphicsVADriver.bundle/Contents/MacOS/AppleIntelHD5000GraphicsVADriver
       0x10cf15000 -        0x10cfabbd7  dyld (828) <0F674766-D96E-3668-8705-324A53FA816A> /usr/lib/dyld
    0x7fff22c81000 -     0x7fff22c81fff  com.apple.Accelerate (1.11 - Accelerate 1.11) <B142CF00-4805-3FA0-955D-990E96924859> /System/Library/Frameworks/Accelerate.framework/Versions/A/Accelerate
    0x7fff22c82000 -     0x7fff23321fcf  com.apple.vImage (8.1 - 539) <62141BC1-47CD-3E73-8AAA-D2807C7087EB> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vImage.framework/Versions/A/vImage
    0x7fff23322000 -     0x7fff23585fcf  libBLAS.dylib (1336) <D4A78CD6-EF66-31F4-9D2A-177162F34226> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libBLAS.dylib
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    0x7fff23c3d000 -     0x7fff23fd9fff  libLAPACK.dylib (1336) <4E6671A8-DEC9-358C-97E8-35B57B78D802> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libLAPACK.dylib
    0x7fff23fda000 -     0x7fff23feffe0  libLinearAlgebra.dylib (1336) <0B4B98B6-4602-3299-B43A-BF5991B7DA63> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libLinearAlgebra.dylib
    0x7fff23ff0000 -     0x7fff23ff5ff3  libQuadrature.dylib (7) <7750B06A-19EB-3306-A767-3DAD7BF12DA4> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libQuadrature.dylib
    0x7fff23ff6000 -     0x7fff24064fff  libSparse.dylib (106) <F8DF88E7-454C-30CF-A348-23DEC4FC908D> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libSparse.dylib
    0x7fff24065000 -     0x7fff24077fe7  libSparseBLAS.dylib (1336) <BB26359C-BBDC-36B8-8128-FEFF4647D2F4> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libSparseBLAS.dylib
    0x7fff24078000 -     0x7fff2424bfeb  libvDSP.dylib (760) <3D55AA9A-39F1-3D69-94E9-C57D53294E72> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libvDSP.dylib
    0x7fff2424c000 -     0x7fff2430afef  libvMisc.dylib (760) <717A692E-4145-32FD-B808-FE5835B5CBAA> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libvMisc.dylib
    0x7fff2430b000 -     0x7fff2430bfff  com.apple.Accelerate.vecLib (3.11 - vecLib 3.11) <D6DD45D8-0D16-392F-8222-09B7ABB9E034> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/vecLib
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    0x7fff253c3000 -     0x7fff2542eff7  com.apple.ApplicationServices.ATS (377 - 510) <E123D5B7-2D83-3DC6-A443-D772F16E4D04> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ATS.framework/Versions/A/ATS
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    0x7fff25471000 -     0x7fff254a0fff  com.apple.ATSUI (1.0 - 1) <52FC2183-3352-30F0-87C6-D5D391CA2740> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ATSUI.framework/Versions/A/ATSUI
    0x7fff254a1000 -     0x7fff254a8ffb  com.apple.ColorSyncLegacy (4.13.0 - 1) <DA4ECE08-B6D9-3876-AC11-6425595BD168> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ColorSyncLegacy.framework/Versions/A/ColorSyncLegacy
    0x7fff254a9000 -     0x7fff25504ff8  com.apple.HIServices (1.22 - 702) <F813C824-1C13-331B-9C92-22FBA39A3AE0> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/HIServices.framework/Versions/A/HIServices
    0x7fff25505000 -     0x7fff25514ff7  com.apple.LangAnalysis (1.7.0 - 1.7.0) <2BD94785-5A8E-3E1E-AB93-268BBB18D137> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/LangAnalysis.framework/Versions/A/LangAnalysis
    0x7fff25515000 -     0x7fff2555cfff  com.apple.print.framework.PrintCore (16 - 528) <4D231C01-9BF2-3779-8CAC-B802119AB968> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/PrintCore.framework/Versions/A/PrintCore
    0x7fff2555d000 -     0x7fff25568fff  com.apple.QD (4.0 - 415) <40DAE821-3B29-3D8D-B429-3C665AA5CC95> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/QD.framework/Versions/A/QD
    0x7fff25569000 -     0x7fff25578ff2  com.apple.speech.synthesis.framework (9.0.38 - 9.0.38) <DF5B778F-C053-35EC-98A6-AA76701A4858> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/SpeechSynthesis.framework/Versions/A/SpeechSynthesis
    0x7fff25579000 -     0x7fff2568aff0  com.apple.audio.toolbox.AudioToolbox (1.14 - 1.14) <9CD4CB12-7DCD-3278-8AE9-65CE552F6F28> /System/Library/Frameworks/AudioToolbox.framework/Versions/A/AudioToolbox
    0x7fff25ab8000 -     0x7fff25f28ffa  com.apple.CFNetwork (1188.1 - 1188.1) <920F606B-4441-3AC1-B077-F36D06AF7B1C> /System/Library/Frameworks/CFNetwork.framework/Versions/A/CFNetwork
    0x7fff26541000 -     0x7fff26641fff  com.apple.ColorSync (4.13.0 - 3459) <44299C6D-35CB-3792-A24A-3731FCD9B7B5> /System/Library/Frameworks/ColorSync.framework/Versions/A/ColorSync
    0x7fff26956000 -     0x7fff26febfff  com.apple.audio.CoreAudio (5.0 - 5.0) <D5C0C6D5-299A-3CD7-9DDE-6D91761664FB> /System/Library/Frameworks/CoreAudio.framework/Versions/A/CoreAudio
    0x7fff270d4000 -     0x7fff274e4fed  com.apple.CoreData (120 - 1030) <AFFD591B-6C34-337E-BA43-753522F24152> /System/Library/Frameworks/CoreData.framework/Versions/A/CoreData
    0x7fff274e5000 -     0x7fff27614ffd  com.apple.CoreDisplay (217 - 217) <3184BC75-4334-3AED-8945-9C957C70893D> /System/Library/Frameworks/CoreDisplay.framework/Versions/A/CoreDisplay
    0x7fff27615000 -     0x7fff27b0ffe1  com.apple.CoreFoundation (6.9 - 1749.101) <EA59BC1E-B36A-3F10-8D2A-9CBE0CD60169> /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation
    0x7fff27b10000 -     0x7fff2819efef  com.apple.CoreGraphics (2.0 - 1436) <6F80C47B-6F97-30B1-BC9C-3872033258F8> /System/Library/Frameworks/CoreGraphics.framework/Versions/A/CoreGraphics
    0x7fff281e4000 -     0x7fff28552ff3  com.apple.CoreImage (15.0.0 - 1100.45) <8D98CD7A-44C7-3DD4-A5ED-6C6D48BD00D4> /System/Library/Frameworks/CoreImage.framework/Versions/A/CoreImage
    0x7fff28b0c000 -     0x7fff28c8dff2  com.apple.CoreMedia (1.0 - 2747.2.4.1) <AD1273B5-566D-31D1-AFB0-2F4BF1FAD552> /System/Library/Frameworks/CoreMedia.framework/Versions/A/CoreMedia
    0x7fff28d8f000 -     0x7fff28d8fff7  com.apple.CoreServices (1112.0.10 - 1112.0.10) <A5EFE49A-40F6-36AC-9DD7-AEA84F7B0586> /System/Library/Frameworks/CoreServices.framework/Versions/A/CoreServices
    0x7fff28d90000 -     0x7fff28e04fff  com.apple.AE (915 - 915) <F5FDA27A-B921-3733-9A59-89D0CA51D0CD> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/AE.framework/Versions/A/AE
    0x7fff28e05000 -     0x7fff290ecfff  com.apple.CoreServices.CarbonCore (1304 - 1304) <F727BB23-19E8-3C89-9668-C41582794AC2> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CarbonCore.framework/Versions/A/CarbonCore
    0x7fff290ed000 -     0x7fff2913bffe  com.apple.DictionaryServices (1.2 - 339) <285A6B36-68E4-37DA-99D6-64C815DAC298> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/DictionaryServices.framework/Versions/A/DictionaryServices
    0x7fff2913c000 -     0x7fff29144ff7  com.apple.CoreServices.FSEvents (1290 - 1290) <21AE8161-C5D3-374C-9629-60F1E111512F> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/FSEvents.framework/Versions/A/FSEvents
    0x7fff29145000 -     0x7fff29381ffb  com.apple.LaunchServices (1112.0.10 - 1112.0.10) <9A49868C-5B32-38AB-983B-435BB3717A36> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/LaunchServices.framework/Versions/A/LaunchServices
    0x7fff29382000 -     0x7fff2941dff7  com.apple.Metadata (10.7.0 - 2136.1) <08CD3A93-F999-3223-8554-8DCCD089688B> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/Metadata.framework/Versions/A/Metadata
    0x7fff2941e000 -     0x7fff2944bfff  com.apple.CoreServices.OSServices (1112.0.10 - 1112.0.10) <92066DAE-8CC9-3CDD-876F-2EDAEFC06D65> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/OSServices.framework/Versions/A/OSServices
    0x7fff2944c000 -     0x7fff294b3ff7  com.apple.SearchKit (1.4.1 - 1.4.1) <8D7F5904-9970-3394-AA44-B9C34A1421EF> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/SearchKit.framework/Versions/A/SearchKit
    0x7fff294b4000 -     0x7fff294d9ffb  com.apple.coreservices.SharedFileList (139 - 139) <F516257F-4F1C-36FC-A8A4-FDD3191228A3> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/SharedFileList.framework/Versions/A/SharedFileList
    0x7fff296f4000 -     0x7fff298d8ff9  com.apple.CoreText (672 - 672) <0BC99FAB-9DD6-3DB6-8FE3-5AC77B710013> /System/Library/Frameworks/CoreText.framework/Versions/A/CoreText
    0x7fff298d9000 -     0x7fff2991fff7  com.apple.CoreVideo (1.8 - 387.0) <E1D2FB9E-5E3E-38F4-A9EA-6897657D2E6E> /System/Library/Frameworks/CoreVideo.framework/Versions/A/CoreVideo
    0x7fff29ca3000 -     0x7fff29ca9fff  com.apple.DiskArbitration (2.7 - 2.7) <72D15308-5FD9-31C7-8A41-CB84D68B121E> /System/Library/Frameworks/DiskArbitration.framework/Versions/A/DiskArbitration
    0x7fff2a009000 -     0x7fff2a3abff7  com.apple.Foundation (6.9 - 1749.101) <A4BC8737-5FBE-3AD8-A576-755B5F5DC2E3> /System/Library/Frameworks/Foundation.framework/Versions/C/Foundation
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    0x7fff2a7bf000 -     0x7fff2a869ff0  com.apple.framework.IOKit (2.0.2 - 1845) <D630DDBF-B94B-3857-A965-EAEF45182EA5> /System/Library/Frameworks/IOKit.framework/Versions/A/IOKit
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    0x7fff2ab3f000 -     0x7fff2ac1dfe7  libJP2.dylib (2105) <42E1FA94-3490-3DB2-8475-102157D23114> /System/Library/Frameworks/ImageIO.framework/Versions/A/Resources/libJP2.dylib
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    0x7fff2ac43000 -     0x7fff2ac69fef  libPng.dylib (2105) <7E598C1E-7F2B-330A-B4F9-797E98120D71> /System/Library/Frameworks/ImageIO.framework/Versions/A/Resources/libPng.dylib
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    0x7fff2ac6d000 -     0x7fff2accafef  libTIFF.dylib (2105) <67260C09-4F34-3172-8C07-57252615E55D> /System/Library/Frameworks/ImageIO.framework/Versions/A/Resources/libTIFF.dylib
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    0x7fff2c419000 -     0x7fff2c419fff  libHeimdalProxy.dylib (79) <CCEA436F-DFA3-3901-AB51-DA444AE78A67> /System/Library/Frameworks/Kerberos.framework/Versions/A/Libraries/libHeimdalProxy.dylib
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    0x7fff2d60b000 -     0x7fff2d72bfff  com.apple.Metal (244.22 - 244.22) <A40E6A48-DA22-34A6-997E-766AF289A004> /System/Library/Frameworks/Metal.framework/Versions/A/Metal
    0x7fff2d74c000 -     0x7fff2d7b3ffd  com.apple.MetalPerformanceShaders.MPSCore (1.0 - 1) <EC0C437A-560F-3464-A6C4-68D207EFB1BC> /System/Library/Frameworks/MetalPerformanceShaders.framework/Versions/A/Frameworks/MPSCore.framework/Versions/A/MPSCore
    0x7fff2d7b4000 -     0x7fff2d847ff1  com.apple.MetalPerformanceShaders.MPSImage (1.0 - 1) <D688B24E-2049-3734-8EFF-86427999D80A> /System/Library/Frameworks/MetalPerformanceShaders.framework/Versions/A/Frameworks/MPSImage.framework/Versions/A/MPSImage
    0x7fff2d848000 -     0x7fff2d87bff6  com.apple.MetalPerformanceShaders.MPSMatrix (1.0 - 1) <81F3FFC8-B4B7-3AFE-A8E1-BF142C397938> /System/Library/Frameworks/MetalPerformanceShaders.framework/Versions/A/Frameworks/MPSMatrix.framework/Versions/A/MPSMatrix
    0x7fff2d87c000 -     0x7fff2d8baffa  com.apple.MetalPerformanceShaders.MPSNDArray (1.0 - 1) <EC54E6D1-57BB-3A7A-BEAB-8FE86DF5ABA1> /System/Library/Frameworks/MetalPerformanceShaders.framework/Versions/A/Frameworks/MPSNDArray.framework/Versions/A/MPSNDArray
    0x7fff2d8bb000 -     0x7fff2dae5ffc  com.apple.MetalPerformanceShaders.MPSNeuralNetwork (1.0 - 1) <F8D248FA-D53A-35DC-ACCD-C0F813CCB1C7> /System/Library/Frameworks/MetalPerformanceShaders.framework/Versions/A/Frameworks/MPSNeuralNetwork.framework/Versions/A/MPSNeuralNetwork
    0x7fff2dae6000 -     0x7fff2db39ff8  com.apple.MetalPerformanceShaders.MPSRayIntersector (1.0 - 1) <4472DFE4-BBF9-3FC5-998A-3B27C6DDE019> /System/Library/Frameworks/MetalPerformanceShaders.framework/Versions/A/Frameworks/MPSRayIntersector.framework/Versions/A/MPSRayIntersector
    0x7fff2db3a000 -     0x7fff2db3bff1  com.apple.MetalPerformanceShaders.MetalPerformanceShaders (1.0 - 1) <835D56E3-4B34-3484-9D94-36485CE5666E> /System/Library/Frameworks/MetalPerformanceShaders.framework/Versions/A/MetalPerformanceShaders
    0x7fff2e9c6000 -     0x7fff2eb44ff7  com.apple.Network (1.0 - 1) <E653B877-ED7C-39FC-A884-F45F472767C7> /System/Library/Frameworks/Network.framework/Versions/A/Network
    0x7fff2f995000 -     0x7fff2f9edfff  com.apple.opencl (4.4 - 4.4) <64B14BBF-7408-3AD6-BEFD-B2472EACD431> /System/Library/Frameworks/OpenCL.framework/Versions/A/OpenCL
    0x7fff2f9ee000 -     0x7fff2fa0dfff  com.apple.CFOpenDirectory (11.0 - 230) <7C63003C-5FFF-3F7A-BC21-86F6D64B1730> /System/Library/Frameworks/OpenDirectory.framework/Versions/A/Frameworks/CFOpenDirectory.framework/Versions/A/CFOpenDirectory
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    0x7fff6647f000 -     0x7fff664defff  libcups.2.dylib (492) <A6486557-6556-359C-88B3-8244FBEC6101> /usr/lib/libcups.2.dylib
    0x7fff66547000 -     0x7fff6654cff5  libdns_services.dylib (1310) <65AD8178-4A99-3645-B973-F1D099B25AA8> /usr/lib/libdns_services.dylib
    0x7fff66604000 -     0x7fff66604fff  libenergytrace.dylib (22) <BE258EF2-3E1C-3648-B8D3-A93388D8AB2E> /usr/lib/libenergytrace.dylib
    0x7fff66605000 -     0x7fff6661effb  libexpat.1.dylib (26) <3A83967F-512D-34D0-9205-266DB027ECE2> /usr/lib/libexpat.1.dylib
    0x7fff6662c000 -     0x7fff6662fff7  libfakelink.dylib (3) <2074C384-F844-3206-ABD7-81243F83ECC8> /usr/lib/libfakelink.dylib
    0x7fff6663e000 -     0x7fff66643fff  libgermantok.dylib (24) <7F6CDD0B-8F98-3937-86CA-6509CFB81450> /usr/lib/libgermantok.dylib
    0x7fff66644000 -     0x7fff6664dffb  libheimdal-asn1.dylib (597.40.2) <993A4E43-00C8-35D2-B473-7F02EAAF8D11> /usr/lib/libheimdal-asn1.dylib
    0x7fff6667a000 -     0x7fff6676afff  libiconv.2.dylib (59) <D5C4A542-6927-3238-A571-817C336006B3> /usr/lib/libiconv.2.dylib
    0x7fff6676b000 -     0x7fff669ccfff  libicucore.A.dylib (66022) <D8ED1E57-1437-39C4-B550-4B8F7FCED557> /usr/lib/libicucore.A.dylib
    0x7fff66a36000 -     0x7fff66a37fff  liblangid.dylib (136) <E3E6AF39-70B1-3B24-ACB5-BF1D7AC72C65> /usr/lib/liblangid.dylib
    0x7fff66a38000 -     0x7fff66a50ff7  liblzma.5.dylib (16) <08710DB0-3562-3C0B-991B-30D2E44D02C5> /usr/lib/liblzma.5.dylib
    0x7fff66a68000 -     0x7fff66ab0fff  libmecab.dylib (918) <E8C5063D-FB01-34C2-9928-153065D11A60> /usr/lib/libmecab.dylib
    0x7fff66ab1000 -     0x7fff66ccffe0  libmecabra.dylib (918) <71DE8A7C-D409-34AF-8507-5D1110B6F9F6> /usr/lib/libmecabra.dylib
    0x7fff6708e000 -     0x7fff676b8ffb  libnetwork.dylib (2288) <E0F8D045-B729-37D5-9F3A-E8114B2F474F> /usr/lib/libnetwork.dylib
    0x7fff67773000 -     0x7fff6777aff7  liboah.dylib (182) <5DF7D349-395E-3F72-B53B-B6045A1A6D8F> /usr/lib/liboah.dylib
    0x7fff6777b000 -     0x7fff677b3ffa  libobjc.A.dylib (817) <75F925B9-CE64-351D-8B44-16E802E162EE> /usr/lib/libobjc.A.dylib
    0x7fff677cc000 -     0x7fff677d0fff  libpam.2.dylib (28.40.1) <F7408A5D-CC10-34F6-805B-BD3D634B2A2B> /usr/lib/libpam.2.dylib
    0x7fff677e3000 -     0x7fff6781aff7  libpcap.A.dylib (98) <7B8E8362-3E96-32BF-B765-A650E94E8DE4> /usr/lib/libpcap.A.dylib
    0x7fff6785f000 -     0x7fff6786dffc  libperfcheck.dylib (41) <A009AB90-B1FE-34EB-BFBE-1B43D1B63175> /usr/lib/libperfcheck.dylib
    0x7fff67911000 -     0x7fff67929ff7  libresolv.9.dylib (68) <60AB5EF6-B296-3717-A109-9165734E5982> /usr/lib/libresolv.9.dylib
    0x7fff6792e000 -     0x7fff67979fff  libsandbox.1.dylib (1432.0.0.141.1) <1D4EA797-0E1E-3DE9-BC15-CA3D7F2C65BC> /usr/lib/libsandbox.1.dylib
    0x7fff6798e000 -     0x7fff67990ff7  libspindump.dylib (293) <705AE0BF-7EAD-3628-B00B-B0738146C0BA> /usr/lib/libspindump.dylib
    0x7fff67991000 -     0x7fff67b50ff7  libsqlite3.dylib (318) <D06FEE9A-1DFF-3313-8683-827C4AB4841B> /usr/lib/libsqlite3.dylib
    0x7fff67dc2000 -     0x7fff67dc5ffb  libutil.dylib (58) <8931AA5D-FDFB-30A1-88DA-FAEB283EFCE7> /usr/lib/libutil.dylib
    0x7fff67dc6000 -     0x7fff67dd3ff7  libxar.1.dylib (452) <777318E9-4852-325A-8BD2-F5AB9CE105B5> /usr/lib/libxar.1.dylib
    0x7fff67dd9000 -     0x7fff67ebbff7  libxml2.2.dylib (34.3) <84B0E58F-DE3B-3979-9C99-2F9492CA2D10> /usr/lib/libxml2.2.dylib
    0x7fff67ec0000 -     0x7fff67ee8fff  libxslt.1.dylib (17.2) <3CB70B81-CE4B-34C5-A331-6771B4D48632> /usr/lib/libxslt.1.dylib
    0x7fff67ee9000 -     0x7fff67efbff7  libz.1.dylib (76) <CC4270B1-D4DF-3AF5-B009-5F61102422FB> /usr/lib/libz.1.dylib
    0x7fff687c8000 -     0x7fff687d0ff3  libcache.dylib (83) <27402B67-7C0A-3F21-83D2-2384FFB6F95F> /usr/lib/system/libcache.dylib
    0x7fff687d1000 -     0x7fff687ddff7  libcommonCrypto.dylib (60178) <531C00CD-8B5E-3C73-8F02-86B29B32EE09> /usr/lib/system/libcommonCrypto.dylib
    0x7fff687de000 -     0x7fff687e5fff  libcompiler_rt.dylib (102.2) <A1A5D77C-992F-31E1-8799-9B47821A0C0F> /usr/lib/system/libcompiler_rt.dylib
    0x7fff687e6000 -     0x7fff687f0ff7  libcopyfile.dylib (173) <73040C48-4BF1-3A30-AA61-001FE8EA7162> /usr/lib/system/libcopyfile.dylib
    0x7fff687f1000 -     0x7fff6888cfc7  libcorecrypto.dylib (1000) <850B19BA-C868-3F13-93D3-676CB5B55478> /usr/lib/system/libcorecrypto.dylib
    0x7fff689ab000 -     0x7fff689efffa  libdispatch.dylib (1271) <BE11F898-3E40-309A-AD81-E6A3670F622C> /usr/lib/system/libdispatch.dylib
    0x7fff689f0000 -     0x7fff68a2afff  libdyld.dylib (828) <08E73B25-1629-36CA-9052-5916461D377E> /usr/lib/system/libdyld.dylib
    0x7fff68a2b000 -     0x7fff68a2bffb  libkeymgr.dylib (30) <EB8681E0-4FB5-374A-970F-0D2865B953DE> /usr/lib/system/libkeymgr.dylib
    0x7fff68a2c000 -     0x7fff68a47ffb  libkxld.dylib (7195.0.0.141.5) <4316AB36-3C5E-3628-BAD3-13DCFAB9DC03> /usr/lib/system/libkxld.dylib
    0x7fff68a48000 -     0x7fff68a48ff7  liblaunch.dylib (2038) <7205BF8A-5691-31FC-819D-1B8E83CD3A90> /usr/lib/system/liblaunch.dylib
    0x7fff68a49000 -     0x7fff68a4efff  libmacho.dylib (973) <432977C1-2650-395B-AF20-BD551C9C2143> /usr/lib/system/libmacho.dylib
    0x7fff68a4f000 -     0x7fff68a51ff3  libquarantine.dylib (119.40.1) <609CCCCE-71B5-3B5C-B5E9-3733E93A3639> /usr/lib/system/libquarantine.dylib
    0x7fff68a52000 -     0x7fff68a53fff  libremovefile.dylib (49) <2FB728CD-D7F7-33D5-884D-3270AB7C8749> /usr/lib/system/libremovefile.dylib
    0x7fff68a54000 -     0x7fff68a6affb  libsystem_asl.dylib (385) <F143B592-D336-371C-81FD-FFDCD6448524> /usr/lib/system/libsystem_asl.dylib
    0x7fff68a6b000 -     0x7fff68a6cff2  libsystem_blocks.dylib (77) <49BAE65F-0F5F-36C0-8411-64949D968865> /usr/lib/system/libsystem_blocks.dylib
    0x7fff68a6d000 -     0x7fff68af5ff7  libsystem_c.dylib (1439) <3A4B404C-01A4-36F2-9DF9-474562AC62E6> /usr/lib/system/libsystem_c.dylib
    0x7fff68af6000 -     0x7fff68af8ffb  libsystem_collections.dylib (1439) <61BCFC64-9646-3A7D-BF92-8932FEF0C79A> /usr/lib/system/libsystem_collections.dylib
    0x7fff68af9000 -     0x7fff68afcffb  libsystem_configuration.dylib (1109) <B4F16E8D-D059-30C3-9122-F93F9ACC4D20> /usr/lib/system/libsystem_configuration.dylib
    0x7fff68afd000 -     0x7fff68b0cff3  libsystem_containermanager.dylib (318.0.0.141.1) <3C1B09E6-A307-3C1A-B13A-FC0C12B5488B> /usr/lib/system/libsystem_containermanager.dylib
    0x7fff68b0d000 -     0x7fff68b11fff  libsystem_coreservices.dylib (123) <9706CE4F-EFB4-3880-ACFE-FA2C3D94B69E> /usr/lib/system/libsystem_coreservices.dylib
    0x7fff68b12000 -     0x7fff68b1bfff  libsystem_darwin.dylib (1439) <58B64786-E941-34DA-8B44-155B0A4E6F8F> /usr/lib/system/libsystem_darwin.dylib
    0x7fff68b1c000 -     0x7fff68b23ffb  libsystem_dnssd.dylib (1310) <E4F326DD-155B-3AEF-93F0-FC92BE1C25D4> /usr/lib/system/libsystem_dnssd.dylib
    0x7fff68b24000 -     0x7fff68b26fff  libsystem_featureflags.dylib (28) <0643B931-9D69-3D18-81BB-B085FE4F2277> /usr/lib/system/libsystem_featureflags.dylib
    0x7fff68b27000 -     0x7fff68b72ff7  libsystem_info.dylib (542) <946DCDCD-2F3B-33F7-A8AD-D85B24AD498B> /usr/lib/system/libsystem_info.dylib
    0x7fff68b73000 -     0x7fff68ba1fff  libsystem_kernel.dylib (7195.0.0.141.5) <3469259C-F28D-3E21-9502-EADE42F0B031> /usr/lib/system/libsystem_kernel.dylib
    0x7fff68ba2000 -     0x7fff68be9fdf  libsystem_m.dylib (3186) <3B322AF5-CB5E-3156-9063-F828ACF77EDB> /usr/lib/system/libsystem_m.dylib
    0x7fff68bea000 -     0x7fff68c16ff7  libsystem_malloc.dylib (317) <4D9C5716-C923-3ED6-930B-2E55345DFF49> /usr/lib/system/libsystem_malloc.dylib
    0x7fff68c17000 -     0x7fff68c25fff  libsystem_networkextension.dylib (1295) <F62E2FF8-37F2-3580-B446-061CC657AD6B> /usr/lib/system/libsystem_networkextension.dylib
    0x7fff68c26000 -     0x7fff68c2ffff  libsystem_notify.dylib (279) <8FE392AE-CFAC-3B62-AFCA-30A12952ADF5> /usr/lib/system/libsystem_notify.dylib
    0x7fff68c30000 -     0x7fff68c39fef  libsystem_platform.dylib (254) <A76375DB-F3B2-32A8-A756-565DBC5AA6D2> /usr/lib/system/libsystem_platform.dylib
    0x7fff68c3a000 -     0x7fff68c3afff  libsystem_product_info_filter.dylib (8) <BC4E5E9D-D861-3F38-898B-3149B212A279> /usr/lib/system/libsystem_product_info_filter.dylib
    0x7fff68c3b000 -     0x7fff68c46ff7  libsystem_pthread.dylib (454) <F3A2B8EA-4999-3B91-BD01-60AD1D9B75D2> /usr/lib/system/libsystem_pthread.dylib
    0x7fff68c47000 -     0x7fff68c4bfff  libsystem_sandbox.dylib (1432.0.0.141.1) <7CA23847-08E2-3903-A6A3-ECFEB35A10F9> /usr/lib/system/libsystem_sandbox.dylib
    0x7fff68c4c000 -     0x7fff68c4efff  libsystem_secinit.dylib (87) <C22B7CDC-ED5B-3827-886E-30043DE945EE> /usr/lib/system/libsystem_secinit.dylib
    0x7fff68c4f000 -     0x7fff68c56ffb  libsystem_symptoms.dylib (1431) <B35630CF-33E1-3728-B7F1-6B0E04141A3C> /usr/lib/system/libsystem_symptoms.dylib
    0x7fff68c57000 -     0x7fff68c6eff6  libsystem_trace.dylib (1277) <76D0BBF9-189E-3236-9826-2F8A6B8C9E87> /usr/lib/system/libsystem_trace.dylib
    0x7fff68c73000 -     0x7fff68c7dfff  libunwind.dylib (200.10) <AC1EC06F-54C7-3B85-9440-C057FA1E3584> /usr/lib/system/libunwind.dylib
    0x7fff68c7e000 -     0x7fff68cb2ff3  libxpc.dylib (2038) <D348486B-337C-3916-A0D9-419AC5FF24A6> /usr/lib/system/libxpc.dylib
Sample analysis of process 9303 written to file /dev/stdout
 
Superhai

Superhai

macrumors 6502a
Apr 21, 2010
734
577
jyavenard said:
For the brave, you can test firefox with VP9 hardware decoder support added (Big Sur only)
It also use CoreAnimation so will perform similarly to Safari when it comes to power usage.

This will play 4K @ 60 fps on my macbook pro 2018 using less than 15% CPU usage; and the app isn't even showing in the list of application using power.
Click to expand...
Nice, it plays Youtube 4k just as well as Safari on my MBP as well. Although it goes to 40-60% CPU usage.

Edit: It does not accelerate my embedded videos though.

 
Last edited:
startergo

startergo

macrumors 603
Sep 20, 2018
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jyavenard said:
This is the info I was given. TBH, I don't know if it's > or >=

The new MBP 2020 with a navi AMD could do it; but at this stage it seems that the VP9 HW decoder is always using the Intel CPU. I don't have any other machines to try with but this macbook pro.
I have an iMac Pro which will never do it (Xeon CPU don't have the required HW and the AMD Vega definitely can't do VP9)

I've noticed that the performance of VP9 playback when connected to an external screen sucked big time. Like you see the CPU usage shoot to 200% and the video completely freeze. It seems that the VideoToolbox reverts temporarily to software decoding whenever the playback window is covered by another or when switching from full screen to windowed.

In the Firefox image I linked to earlier; the VideoToolbox VP9 decoder is only used if it fully supports hardware decoding; otherwise it will use the ffvp9 software decoder.
Click to expand...
Regardless I was never before able to play 8k60hz in Mojave or Catalina and in Big Sur it plays smoothly like butter with only 20% CPU.
 
techguy9

techguy9

macrumors 6502
Aug 16, 2014
353
470
I tested VP9 support on my Skylake 2015 iMac 27' and it does play 4K videos fine, though seemingly with software decoding as CPU usage jumps to 200%+ and fans ramp up to full speed when playing video for more than 5 minutes.
 
EugW

EugW

macrumors G5
Original poster
Jun 18, 2017
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techguy9 said:
I tested VP9 support on my Skylake 2015 iMac 27' and it does play 4K videos fine, though seemingly with software decoding as CPU usage jumps to 200%+ and fans ramp up to full speed when playing video for more than 5 minutes.
Click to expand...
How was it before Big Sur?
 
alstrike

alstrike

macrumors regular
Nov 13, 2011
188
96
Spain
Well I just tried that Costa Rica 4K video on YT and HDR is activated by default, it didn't use HDR before (or I didn't notice).

However the HDR on Safari looks really dim, either that or the feature is still broken...
 
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EugW

EugW

macrumors G5
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Jun 18, 2017
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startergo said:
VP9 was just introduced with the latest Beta of BigSur. It is not working for me in Catalina.
Click to expand...
VP was available before, in Chrome.

I guess another way to compare is to check the performance in Chrome in Big Sur too.

startergo said:
VP9 was just introduced with the latest Beta of BigSur. It is not working for me in Catalina.
Click to expand...
If dim, then it's not displaying the HDR correctly. This was a problem before in other software when displaying HEVC HDR.
 
M

maxsquared

macrumors 6502a
Jun 27, 2009
626
446
London
alstrike said:
Well I just tried that Costa Rica 4K video on YT and HDR is activated by default, it didn't use HDR before (or I didn't notice).

However the HDR on Safari looks really dim, either that or the feature is still broken...
Click to expand...

I can't get HDR to work, how did you get it to work?

Update, I got it as well, I know what you mean by looks really dim, it's sort of washed out colour.
 
Last edited:
alstrike

alstrike

macrumors regular
Nov 13, 2011
188
96
Spain
maxsquared said:
Try to go through a few HDR videos, it seems videos with HLG HDR works better.

The performance though, its night and day compare to how it used to run in Chrome.
Click to expand...

Oh yeah the performance difference is absolutely staggering compared to before the update (or Chrome).

I will try some of those HLG HDR videos and report back, thanks bro.
 
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J

jyavenard

macrumors member
Sep 15, 2004
35
9
Superhai said:
Nice, it plays Youtube 4k just as well as Safari on my MBP as well. Although it goes to 40-60% CPU usage.
Click to expand...

That's the main process, the CP (content process) is just about the same as what it would show for Safari (which appears as the name of the URL you are using). I'm puzzled about that too, particularly because a profiler will show very little usage there (< 8%) yet Activity Monitor shows in excess of 40% there. I wonder if that's a fluke in how the CPU% is now reported.


Edit: It does not accelerate my embedded videos though.

Click to expand...

There's absolutely no reason for that to be the case, unfortunately I had to put my MBP in service yesterday and won't get it back for a few days. I'll test then.
What make you say that it's not accelerated?
The best way to tell is to install the Media Devtools extension (https://addons.mozilla.org/en-US/firefox/addon/devtools-media-panel/) press Command-Open-I ; and select the media tab. It will show a URL for each video playing and you can extend it. There will be an entry for the video with showing as either "apple hardware VT decoder" or "ffvpx".

It could be that the VideoToolbox automatically changed to a software decoder; but it got selected because it told us it was hardware accelerated.
 
Superhai

Superhai

macrumors 6502a
Apr 21, 2010
734
577
jyavenard said:
What make you say that it's not accelerated?
Click to expand...
It is fluent in Safari but not at all in Firefox, but YouTube videos are more or less equal. Actually I’m not that interested if it is accelerated or not, just happy that I can play the 4K videos as they look amazing.
I am sure the playback flukes will be sorted out in the near future.
 
EugW

EugW

macrumors G5
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Just for fun I tried playing the Costa Rica video on my 14 year-old Mac Pro with 2 x 2.66 GHz dual-core Xeon 5150, via software decode in Chrome. (I have 10.11.6 El Capitan installed, as well as Windows 10.) 1080p60 is playable, but with extremely high CPU usage, so multi-tasking is not really viable. Sometimes even just changing the YouTube screen size during playback has a several second delay. Not surprisingly, 1440p is a disaster.

I then tried playing the video on my Windows 10 AMD Phenom II X6 1055T (which was a 10 year-old Athlon II X3 435 machine I upgraded several years ago). 1080p60 is smooth, and multi-tasking is doable at 1080p60. 1440p works but with some stutters and extremely high CPU usage, so 1440p with multi-tasking is too much for it.

It's too bad that YouTube no longer allows 1440p h.264 in Safari. 1440p is all I would need, since the Radeon 5770 in the Mac Pro maxes out at 1440p anyway.

However, I will be upgrading the Mac Pro soon to 2 x 2.33 GHz quad-core Xeon E5345. If that is successful, that should give me a machine that is about the same speed as the 1055T or perhaps just slightly faster, so 1440p VP9 will probably continue to be a big problem. An upgrade to Xeon X5365 may have been able to handle 1440p60 VP9 playback in software, but it's not worth the money (4X the CPU upgrade cost) and the TDP is almost twice as high at 150 Watts per CPU, and there are two of them. :oops: I guess I should be satisfied with "just" 1080p60 support in 2020 in a modern browser on a 14 year-old machine. 🤪
 
startergo

startergo

macrumors 603
Sep 20, 2018
5,019
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EugW said:
so 1440p VP9 will probably continue to be a big problem.
Click to expand...
VP9 in Safari works in the latest beta of Big Sur only. In Chrome, Firefox, Brave it is very poorly implemented in Catalina even with full hardware acceleration enabled on my cMP5,1, thus I call it unplayable. In Big Sur on the same machine it does not matter if the hardware acceleration is enabled or not it plays VP9 8K60FPS in Safari with only 20% CPU usage with 2 X5690's.
 
EugW

EugW

macrumors G5
Original poster
Jun 18, 2017
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startergo said:
VP9 in Safari works in the latest beta of Big Sur only. In Chrome, Firefox, Brave it is very poorly implemented in Catalina even with full hardware acceleration enabled on my cMP5,1, thus I call it unplayable. In Big Sur on the same machine it does not matter if the hardware acceleration is enabled or not it plays VP9 8K60FPS in Safari with only 20% CPU usage with 2 X5690's.
Click to expand...
Hmmm... I have an iMac i5-7600 which is roughly equivalent to about a single X5690 in terms of CPU performance, and I can play 4Kp60 VP9 Costa Rica 8-bit no problem with software VP9 decode in Chrome in Mojave. No stutters and CPU usage is around 50-60% (out of 100), so multitasking is fine too.

You have a 12-core 2 x X5690 machine, so about twice as fast as my iMac, so 4Kp60 SDR should be a walk in the park even in software, unless memory bandwidth or something else is an issue. Or are you talking about 4Kp60 HDR? Or 8K? (I know you mentioned 8K at the end, but my post was about 1440p.)
 
Last edited:
startergo

startergo

macrumors 603
Sep 20, 2018
5,019
2,282
EugW said:
Hmmm... I have an iMac i5-7600 which is roughly equivalent to about a single X5690 in terms of CPU performance, and I can play 4Kp60 VP9 Costa Rica 8-bit no problem with software VP9 decode in Chrome in Mojave. No stutters and CPU usage is around 50-60% (out of 100), so multitasking is fine too.

You have a 12-core 2 x X5690 machine, so about twice as fast as my iMac, so 4Kp60 SDR should be a walk in the park even in software, unless memory bandwidth or something else is an issue. Or are you talking about 4Kp60 HDR? Or 8K? (I know you mentioned 8K at the end, but my post was about 1440p.)
Click to expand...
I am talking about 8K60FPS:
1597240191943.png

1597240246206.png
 
EugW

EugW

macrumors G5
Original poster
Jun 18, 2017
14,655
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startergo said:
I am talking about 8K60FPS:
Click to expand...
OK. Probably should have lead with that. ;)

It's interesting that Safari only sees 20% CPU usage. What GPU are you running?

startergo said:
Which video sample are you referring to? We need to compare apples with apples.
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It was all in my post. Chrome VP9 1440p Costa Rica on a Mac Pro with 2 x 5150. You even quoted the 1440p part. But then you said Chrome VP9 was unplayable on your Mac Pro with 2 x X5690 in response.
 
iMacDragon

iMacDragon

macrumors 68020
Oct 18, 2008
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been busy with other things a few days. Interesting on what works and doesn't right now.

Indeed HLG seems to look as I'd expect on youtube safari, non HLG is dim as anything.

In edge on the other hand non HLG looks as expect, and HLG is waaay over bright shifted and completely wrong.
 
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