Okay, it's my current log file
17:23:54.693: CPU Name: Intel(R) Core(TM) i5-4570R CPU @ 2.70GHz
17:23:54.693: CPU Speed: 2700MHz
17:23:54.693: Physical Cores: 4, Logical Cores: 4
17:23:54.693: Physical Memory: 8192MB Total
17:23:54.693: OS Name: Mac OS X (NSMACHOperatingSystem)
17:23:54.694: OS Version: Version 10.9.5 (Build 13F1712)
17:23:54.694: Kernel Version: 13.4.0
17:23:54.737: hotkeys-cocoa: Using layout 'com.apple.keylayout.French-PC'
17:23:54.926: OBS 0.14.1 (mac)
17:23:54.926: ---------------------------------
17:23:54.927: ---------------------------------
17:23:54.927: audio settings reset:
17:23:54.927: samples per sec: 44100
17:23:54.927: speakers: 2
17:23:55.469: ---------------------------------
17:23:55.469: video settings reset:
17:23:55.469: base resolution: 1920x1080
17:23:55.469: output resolution: 1280x720
17:23:55.469: fps: 30/1
17:23:55.469: format: NV12
17:23:55.484: ---------------------------------
17:23:55.491: Loading module: coreaudio-encoder.so
17:23:55.492: ---------------------------------
17:23:55.494: Loading module: image-source.so
17:23:55.495: ---------------------------------
17:23:55.532: Loading module: mac-avcapture.so
17:23:55.545: ---------------------------------
17:23:55.559: Loading module: mac-capture.so
17:23:55.559: ---------------------------------
17:23:55.575: Loading module: mac-decklink.so
17:23:55.585: No blackmagic support
17:23:55.585: Failed to start search for DeckLink devices
17:23:55.585: ---------------------------------
17:23:55.589: Loading module: mac-syphon.so
17:23:55.590: ---------------------------------
17:23:55.592: Loading module: mac-vth264.so
17:23:55.724: [VideoToolbox encoder]: Adding VideoToolbox H264 encoders
17:23:55.724: ---------------------------------
17:23:55.726: Loading module: obs-ffmpeg.so
17:23:55.755: ---------------------------------
17:23:55.767: Loading module: obs-filters.so
17:23:55.769: ---------------------------------
17:23:55.771: Loading module: obs-outputs.so
17:23:55.772: ---------------------------------
17:23:55.774: Loading module: obs-transitions.so
17:23:55.788: ---------------------------------
17:23:55.790: Loading module: obs-x264.so
17:23:55.798: ---------------------------------
17:23:55.800: Loading module: rtmp-services.so
17:23:55.801: ---------------------------------
17:23:55.824: Loading module: text-freetype2.so
17:23:56.066: ---------------------------------
17:23:56.085: Loading module: obs-browser.so
17:23:56.085: Failed to load 'en-US' text for module: 'obs-browser.so'
17:23:56.085: =====================================================================
17:23:56.133: output 'adv_stream' (rtmp_output) created
17:23:56.133: output 'adv_file_output' (ffmpeg_muxer) created
17:23:56.133: encoder 'streaming_h264' (obs_x264) created
17:23:56.148: AAC encoder bitrate mapping:
17:23:56.148: 20 kbit/s: 'Encodeur AAC CoreAudio' (CoreAudio_AAC)
17:23:56.148: 24 kbit/s: 'Encodeur AAC CoreAudio' (CoreAudio_AAC)
17:23:56.148: 28 kbit/s: 'Encodeur AAC CoreAudio' (CoreAudio_AAC)
17:23:56.148: 32 kbit/s: 'Encodeur AAC CoreAudio' (CoreAudio_AAC)
17:23:56.148: 40 kbit/s: 'Encodeur AAC CoreAudio' (CoreAudio_AAC)
17:23:56.148: 48 kbit/s: 'Encodeur AAC CoreAudio' (CoreAudio_AAC)
17:23:56.148: 56 kbit/s: 'Encodeur AAC CoreAudio' (CoreAudio_AAC)
17:23:56.148: 64 kbit/s: 'Encodeur AAC CoreAudio' (CoreAudio_AAC)
17:23:56.148: 72 kbit/s: 'Encodeur AAC CoreAudio' (CoreAudio_AAC)
17:23:56.148: 80 kbit/s: 'Encodeur AAC CoreAudio' (CoreAudio_AAC)
17:23:56.148: 96 kbit/s: 'Encodeur AAC CoreAudio' (CoreAudio_AAC)
17:23:56.148: 112 kbit/s: 'Encodeur AAC CoreAudio' (CoreAudio_AAC)
17:23:56.148: 128 kbit/s: 'Encodeur AAC CoreAudio' (CoreAudio_AAC)
17:23:56.148: 144 kbit/s: 'Encodeur AAC CoreAudio' (CoreAudio_AAC)
17:23:56.148: 160 kbit/s: 'Encodeur AAC CoreAudio' (CoreAudio_AAC)
17:23:56.148: 192 kbit/s: 'Encodeur AAC CoreAudio' (CoreAudio_AAC)
17:23:56.148: 224 kbit/s: 'Encodeur AAC CoreAudio' (CoreAudio_AAC)
17:23:56.148: 256 kbit/s: 'Encodeur AAC CoreAudio' (CoreAudio_AAC)
17:23:56.148: 288 kbit/s: 'Encodeur AAC CoreAudio' (CoreAudio_AAC)
17:23:56.148: 320 kbit/s: 'Encodeur AAC CoreAudio' (CoreAudio_AAC)
17:23:56.148: encoder 'adv_aac0' (CoreAudio_AAC) created
17:23:56.148: encoder 'adv_aac1' (CoreAudio_AAC) created
17:23:56.148: encoder 'adv_aac2' (CoreAudio_AAC) created
17:23:56.148: encoder 'adv_aac3' (CoreAudio_AAC) created
17:23:56.158: service 'default_service' (rtmp_common) created
17:23:56.228: All scene data cleared
17:23:56.228: ------------------------------------------------
17:23:56.415: coreaudio: device 'WavTap' initialized
17:23:56.415: source 'Audio du bureau' (coreaudio_output_capture) created
17:23:56.417: coreaudio: device 'Built-in Microphone' initialized
17:23:56.417: source 'Mic/Aux' (coreaudio_input_capture) created
17:23:56.419: source 'Capture de la fenêtre' (window_capture) created
17:23:56.949: adding 46 milliseconds of audio buffering, total audio buffering is now 46 milliseconds
17:23:56.973: adding 185 milliseconds of audio buffering, total audio buffering is now 232 milliseconds
17:23:57.039: Périphérique de capture vidéo 1: Selected device 'Caméra FaceTime HD (intégrée)'
17:23:57.078: Périphérique de capture vidéo 1: Using preset 1280x720
17:24:01.576: source 'Périphérique de capture vidéo 1' (av_capture_input) created
17:24:01.576: source 'BrowserSource' (browser_source) created
17:24:01.577: source 'Scène' (scene) created
17:24:01.857: source 'Afficher la capture' (display_capture) created
17:24:05.078: == Profiler Results =============================
17:24:05.078: run_program_init: 11344.9 ms
17:24:05.078: ┣OBSApp::AppInit: 100.72 ms
17:24:05.078: ┃ ┗OBSApp::InitLocale: 28.19 ms
17:24:05.078: ┗OBSApp::OBSInit: 10778.2 ms
17:24:05.078: ┣obs_startup: 44.761 ms
17:24:05.078: ┗OBSBasic::OBSInit: 10151.9 ms
17:24:05.078: ┣OBSBasic::InitBasicConfig: 0.352 ms
17:24:05.078: ┣OBSBasic::ResetAudio: 0.077 ms
17:24:05.078: ┣OBSBasic::ResetVideo: 542.25 ms
17:24:05.078: ┣OBSBasic::InitOBSCallbacks: 0.011 ms
17:24:05.078: ┣OBSBasic::InitHotkeys: 0.052 ms
17:24:05.078: ┣obs_load_all_modules: 616.046 ms
17:24:05.079: ┃ ┣obs_init_module(coreaudio-encoder.so): 0.008 ms
17:24:05.079: ┃ ┣obs_init_module(image-source.so): 0.003 ms
17:24:05.079: ┃ ┣obs_init_module(mac-avcapture.so): 0.014 ms
17:24:05.079: ┃ ┣obs_init_module(mac-capture.so): 0.006 ms
17:24:05.079: ┃ ┣obs_init_module(mac-decklink.so): 0.131 ms
17:24:05.079: ┃ ┣obs_init_module(mac-syphon.so): 0.006 ms
17:24:05.079: ┃ ┣obs_init_module(mac-vth264.so): 131.095 ms
17:24:05.079: ┃ ┣obs_init_module(obs-ffmpeg.so): 14.913 ms
17:24:05.079: ┃ ┣obs_init_module(obs-filters.so): 0.008 ms
17:24:05.079: ┃ ┣obs_init_module(obs-outputs.so): 0.003 ms
17:24:05.079: ┃ ┣obs_init_module(obs-transitions.so): 0.01 ms
17:24:05.079: ┃ ┣obs_init_module(obs-x264.so): 0.006 ms
17:24:05.079: ┃ ┣obs_init_module(rtmp-services.so): 0.138 ms
17:24:05.079: ┃ ┣obs_init_module(text-freetype2.so): 216.28 ms
17:24:05.079: ┃ ┗obs_init_module(obs-browser.so): 0.233 ms
17:24:05.079: ┣OBSBasic::ResetOutputs: 62.78 ms
17:24:05.079: ┣OBSBasic::CreateHotkeys: 0.032 ms
17:24:05.079: ┣OBSBasic::InitService: 10.305 ms
17:24:05.079: ┣OBSBasic::InitPrimitives: 0.118 ms
17:24:05.079: ┗OBSBasic::Load: 5703.4 ms
17:24:05.079: =================================================
Thx for your response =)
