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#1 2020-02-23 02:59:24

calcd
Member
Registered: 2020-02-23
Posts: 1

OBS custom hevc_vaapi encoding not working

Hello all!

According to this, my GPU is capable of HEVC Main encoding using vaapi:

vainfo: VA-API version: 1.6 (libva 2.6.0)
vainfo: Driver version: Mesa Gallium driver 19.3.4 for AMD RAVEN (DRM 3.36.0, 5.5.4-arch1-1, LLVM 9.0.1)
vainfo: Supported profile and entrypoints
      VAProfileMPEG2Simple            : VAEntrypointVLD
      VAProfileMPEG2Main              : VAEntrypointVLD
      VAProfileVC1Simple              : VAEntrypointVLD
      VAProfileVC1Main                : VAEntrypointVLD
      VAProfileVC1Advanced            : VAEntrypointVLD
      VAProfileH264ConstrainedBaseline: VAEntrypointVLD
      VAProfileH264ConstrainedBaseline: VAEntrypointEncSlice
      VAProfileH264Main               : VAEntrypointVLD
      VAProfileH264Main               : VAEntrypointEncSlice
      VAProfileH264High               : VAEntrypointVLD
      VAProfileH264High               : VAEntrypointEncSlice
      VAProfileHEVCMain               : VAEntrypointVLD
      VAProfileHEVCMain               : VAEntrypointEncSlice
      VAProfileHEVCMain10             : VAEntrypointVLD
      VAProfileJPEGBaseline           : VAEntrypointVLD
      VAProfileVP9Profile0            : VAEntrypointVLD
      VAProfileVP9Profile2            : VAEntrypointVLD
      VAProfileNone                   : VAEntrypointVideoProc

However, when attempting to record on OBS Studio version 24.0.6 using FFMPEG custom output (and no special parameters),
i always get the following error in a message box:

Failed to open video codec: Invalid argument

The OBS logs dont seem to give me anything particularily useful:

03:56:14 AM.488: CPU Name: AMD Ryzen 7 2700U with Radeon Vega Mobile Gfx
03:56:14 AM.488: CPU Speed: 2329.908MHz
03:56:14 AM.489: Physical Cores: 4, Logical Cores: 8
03:56:14 AM.489: Physical Memory: 15699MB Total, 8209MB Free
03:56:14 AM.489: Kernel Version: Linux 5.5.4-arch1-1
03:56:14 AM.489: Distribution: "Arch Linux" Unknown
03:56:14 AM.490: Window System: X11.0, Vendor: The X.Org Foundation, Version: 1.20.7
03:56:14 AM.491: Portable mode: false
03:56:14 AM.572: OBS 24.0.6-1 (linux)
03:56:14 AM.572: ---------------------------------
03:56:14 AM.573: ---------------------------------
03:56:14 AM.573: audio settings reset:
03:56:14 AM.573: 	samples per sec: 44100
03:56:14 AM.573: 	speakers:        2
03:56:14 AM.580: ---------------------------------
03:56:14 AM.580: Initializing OpenGL...
03:56:14 AM.765: Loading up OpenGL on adapter X.Org AMD RAVEN (DRM 3.36.0, 5.5.4-arch1-1, LLVM 9.0.1)
03:56:14 AM.765: OpenGL loaded successfully, version 4.5 (Core Profile) Mesa 19.3.4, shading language 4.50
03:56:14 AM.796: ---------------------------------
03:56:14 AM.796: video settings reset:
03:56:14 AM.796: 	base resolution:   1920x1080
03:56:14 AM.796: 	output resolution: 1920x1080
03:56:14 AM.796: 	downscale filter:  Bicubic
03:56:14 AM.796: 	fps:               30/1
03:56:14 AM.796: 	format:            NV12
03:56:14 AM.796: 	YUV mode:          601/Partial
03:56:14 AM.796: NV12 texture support not available
03:56:14 AM.801: Audio monitoring device:
03:56:14 AM.801: 	name: Default
03:56:14 AM.801: 	id: default
03:56:14 AM.802: ---------------------------------
03:56:14 AM.805: Failed to load 'en-US' text for module: 'decklink-ouput-ui.so'
03:56:14 AM.948: No blackmagic support
03:56:14 AM.962: os_dlopen(libnvidia-encode.so.1->libnvidia-encode.so.1): libnvidia-encode.so.1: cannot open shared object file: No such file or directory
03:56:14 AM.962: 
03:56:14 AM.962: FFMPEG VAAPI supported
03:56:14 AM.963: os_dlopen(/usr//lib/obs-plugins/obs-libfdk.so->/usr//lib/obs-plugins/obs-libfdk.so): libfdk-aac.so.2: cannot open shared object file: No such file or directory
03:56:14 AM.963: 
03:56:14 AM.963: Module '/usr//lib/obs-plugins/obs-libfdk.so' not loaded
03:56:14 AM.979: VLC found, VLC video source enabled
03:56:14 AM.979: ---------------------------------
03:56:14 AM.979:   Loaded Modules:
03:56:14 AM.979:     vlc-video.so
03:56:14 AM.979:     v4l2sink.so
03:56:14 AM.979:     text-freetype2.so
03:56:14 AM.979:     rtmp-services.so
03:56:14 AM.979:     obs-x264.so
03:56:14 AM.979:     obs-transitions.so
03:56:14 AM.979:     obs-outputs.so
03:56:14 AM.979:     obs-filters.so
03:56:14 AM.979:     obs-ffmpeg.so
03:56:14 AM.979:     linux-v4l2.so
03:56:14 AM.979:     linux-pulseaudio.so
03:56:14 AM.979:     linux-jack.so
03:56:14 AM.979:     linux-decklink.so
03:56:14 AM.980:     linux-capture.so
03:56:14 AM.980:     linux-alsa.so
03:56:14 AM.980:     libobs-linuxbrowser.so
03:56:14 AM.980:     image-source.so
03:56:14 AM.980:     frontend-tools.so
03:56:14 AM.980:     decklink-ouput-ui.so
03:56:14 AM.980: ---------------------------------
03:56:14 AM.980: ==== Startup complete ===============================================
03:56:14 AM.980: Service '' not found
03:56:14 AM.983: All scene data cleared
03:56:14 AM.983: ------------------------------------------------
03:56:14 AM.987: pulse-input: Server name: 'pulseaudio 13.0'
03:56:14 AM.987: pulse-input: Audio format: s16le, 44100 Hz, 2 channels
03:56:14 AM.987: pulse-input: Started recording from 'alsa_output.pci-0000_05_00.6.analog-stereo.monitor'
03:56:14 AM.989: xshm-input: Geometry 1920x1080 @ 0,0
03:56:14 AM.996: Switched to scene 'Scene'
03:56:14 AM.996: ------------------------------------------------
03:56:14 AM.996: Loaded scenes:
03:56:14 AM.996: - scene 'Scene':
03:56:14 AM.996:     - source: 'VSCode' (xcomposite_input)
03:56:14 AM.996:     - source: 'primary screen' (xshm_input)
03:56:14 AM.996: ------------------------------------------------
03:56:54 AM.921: Settings changed (outputs)
03:56:54 AM.921: ------------------------------------------------
03:56:56 AM.607: Starting recording due to hotkey
03:56:56 AM.613: Failed to open video codec: Invalid argument
03:56:56 AM.613: ffmpeg_data_init failed
03:56:56 AM.613: ==== Recording Stop ================================================

Is this a configuration error on my side, a system issue or an issue with OBS?
Thanks in advance.

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#2 2020-02-24 13:42:55

Lone_Wolf
Member
From: Netherlands, Europe
Registered: 2005-10-04
Posts: 8,343

Re: OBS custom hevc_vaapi encoding not working

03:56:14 AM.962: FFMPEG VAAPI supported
03:56:14 AM.963: os_dlopen(/usr//lib/obs-plugins/obs-libfdk.so->/usr//lib/obs-plugins/obs-libfdk.so): libfdk-aac.so.2: cannot open shared object file: No such file or directory
$ pacman -F libfdk-aac.so.2
community/libfdk-aac 2.0.1-1
    usr/lib/libfdk-aac.so.2
$ 

Try installing that package.


Multi-init booting with apg Openrc and systemd coexisting
Automounting : not needed, i prefer pmount
Aur helpers : makepkg + my own local repo === rarely need them

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#3 2020-06-19 06:30:37

zanny
Member
Registered: 2012-10-05
Posts: 79

Re: OBS custom hevc_vaapi encoding not working

In case anyone winds up here from searching I put up a pkgbuild on the aur for OBS with the hevc vaapi profile patch upstream rejected.

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