My logs :
15:37:32.538: ================================
15:37:32.539: Warning: OBS is already running!
15:37:32.539: ================================
15:37:32.539: User is now running multiple instances of OBS!
15:37:32.540: CPU Name: AMD Ryzen 7 2700U with Radeon Vega Mobile Gfx
15:37:32.540: CPU Speed: 2196MHz
15:37:32.541: Physical Cores: 4, Logical Cores: 8
15:37:32.541: Physical Memory: 7068MB Total, 1523MB Free
15:37:32.541: Windows Version: 10.0 Build 18362 (revision: 476; 64-bit)
15:37:32.541: Running as administrator: false
15:37:32.541: Aero is Enabled (Aero is always on for windows 8 and above)
15:37:32.542: Windows 10 Gaming Features:
15:37:32.542: Game DVR: On
15:37:32.553: Sec. Software Status:
15:37:32.560: Avast Antivirus: enabled (AV)
15:37:32.561: Antivirus Windows Defender: disabled (AV)
15:37:32.563: Pare-feu Windows: enabled (FW)
15:37:32.564: Current Date/Time: 2019-12-13, 15:37:32
15:37:32.565: Browser Hardware Acceleration: false
15:37:32.565: Portable mode: false
15:37:33.010: OBS 24.0.3 (64-bit, windows)
15:37:33.010: ---------------------------------
15:37:33.057: ---------------------------------
15:37:33.128: audio settings reset:
15:37:33.128: samples per sec: 48000
15:37:33.128: speakers: 2
15:37:33.137: ---------------------------------
15:37:33.137: Initializing D3D11...
15:37:33.137: Available Video Adapters:
15:37:33.145: Adapter 0: Radeon RX 560X Series
15:37:33.145: Dedicated VRAM: 4275740672
15:37:33.145: Shared VRAM: 3705872384
15:37:33.145: output 0: pos={0, 0}, size={1920, 1080}, attached=true
15:37:33.145: Adapter 1: AMD Radeon(TM) RX Vega 10 Graphics
15:37:33.145: Dedicated VRAM: 1058783232
15:37:33.145: Shared VRAM: 3705872384
15:37:33.156: Loading up D3D11 on adapter Radeon RX 560X Series (0)
15:37:33.205: D3D11 loaded successfully, feature level used: b000
15:37:33.205: D3D11 GPU priority setup failed (not admin?)
15:37:34.596: ---------------------------------
15:37:34.596: video settings reset:
15:37:34.596: base resolution: 1920x1080
15:37:34.596: output resolution: 1280x720
15:37:34.596: downscale filter: Bicubic
15:37:34.596: fps: 50/1
15:37:34.596: format: NV12
15:37:34.596: YUV mode: 601/Partial
15:37:34.597: NV12 texture support enabled
15:37:34.600: Audio monitoring device:
15:37:34.600: name: Par défaut
15:37:34.600: id: default
15:37:34.600: ---------------------------------
15:37:34.643: [CoreAudio encoder]: CoreAudio AAC encoder not installed on the system or couldn't be loaded
15:37:34.644: Failed to load 'en-US' text for module: 'decklink-ouput-ui.dll'
15:37:35.335: [AMF] Version 2.4.2 loaded (Compiled: 1.4.7.0, Runtime: 1.4.14.0, Library: 1;4;14;0;19.30.03.01;201909101736;CL#1996411).
15:37:35.487: [AMF] [Capability Manager] Testing Direct3D 11 Adapter 'Radeon RX 560X Series (VEN_1002/DEV_67ef/SUB_125d1025/REV_00c0)':
15:37:35.487: H264/AVC: Supported
15:37:35.487: H265/HEVC: Supported
15:37:35.487:
15:37:35.600: [AMF] [Capability Manager] Testing Direct3D 11 Adapter 'AMD Radeon(TM) RX Vega 10 Graphics (VEN_1002/DEV_15dd/SUB_125c1025/REV_00c3)':
15:37:35.600: H264/AVC: Supported
15:37:35.600: H265/HEVC: Supported
15:37:35.600:
15:37:35.802: [AMF] [Capability Manager] Testing Direct3D 9 Adapter 'Radeon RX 560X Series [\\.\DISPLAY1] (VEN_1002/DEV_67ef/SUB_125d1025/REV_00c0)':
15:37:35.802: H264/AVC: Supported
15:37:35.802: H265/HEVC: Supported
15:37:35.802:
15:37:36.121: [obs-browser]: Version 2.7.15
15:37:37.324: Couldn't find VLC installation, VLC video source disabled
15:37:37.394: No blackmagic support
15:37:37.542: ---------------------------------
15:37:37.542: Loaded Modules:
15:37:37.542: win-wasapi.dll
15:37:37.542: win-mf.dll
15:37:37.542: win-dshow.dll
15:37:37.542: win-decklink.dll
15:37:37.542: win-capture.dll
15:37:37.542: vlc-video.dll
15:37:37.542: text-freetype2.dll
15:37:37.542: rtmp-services.dll
15:37:37.542: obs-x264.dll
15:37:37.542: obs-vst.dll
15:37:37.542: obs-transitions.dll
15:37:37.542: obs-text.dll
15:37:37.542: obs-qsv11.dll
15:37:37.542: obs-outputs.dll
15:37:37.542: obs-filters.dll
15:37:37.542: obs-ffmpeg.dll
15:37:37.542: obs-browser.dll
15:37:37.542: image-source.dll
15:37:37.542: frontend-tools.dll
15:37:37.542: enc-amf.dll
15:37:37.542: decklink-ouput-ui.dll
15:37:37.542: coreaudio-encoder.dll
15:37:37.542: ---------------------------------
15:37:37.543: ==== Startup complete ===============================================
15:37:37.554: All scene data cleared
15:37:37.554: ------------------------------------------------
15:37:37.810: WASAPI: Device 'Haut-parleurs (Realtek High Definition Audio)' initialized
15:37:38.203: WASAPI: Device 'Réseau de microphones (Realtek High Definition Audio)' initialized
15:37:38.207: Switched to scene 'Rocket League'
15:37:38.207: ------------------------------------------------
15:37:38.207: Loaded scenes:
15:37:38.207: - scene 'Scène':
15:37:38.207: - scene 'Rocket League':
15:37:38.207: - source: 'RL' (game_capture)
15:37:38.207: ------------------------------------------------
15:37:38.223: adding 42 milliseconds of audio buffering, total audio buffering is now 42 milliseconds (source: Mic/Aux)
15:37:38.223:
15:38:59.212: Device Remove/Reset! Rebuilding all assets...