Inainte de a instala OBS, faceti un test de viteza folosind http://speedtest.xcdnpro.com. Astfel veti testa calitatea conexiunii cu serverele CAM4.
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In functie de rezultatele obtinute, acestea sunt recomandarile noastre in ceea ce priveste rezolutia si valorile Bitrate. ( veti avea nevoie de ele cand configurati OBS)
Upload Speed | Resolution | Bitrate |
higher than 9Mbits /s | 1920×1080 | 4000 Kbps |
between 5Mbits and 9 Mbits | 1280×720 | 3000 Kbps |
between 3Mbits and 5Mbits | 960×720 | 2500 Kbps |
between 2Mbits and 3Mbits | 800×600 | 2000 Kbps |
less than 2Mbits | 640×480 | 1000 Kbp |
1.Descarcati programul OBS de la https://obsproject.com/download
- Selectati sistemul de operare ( Windows/MacOS/Linux)
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- Dati click pe Donwload Installer
2. De indata ce s-a descarcat, instalati aplicatia
3. Deschideti programul OBS
4. Prima data cand deschideti OBS, va aparea un mesaj care va cere sa faceti configurarea automata ( Auto configure OBS) – apasati Cancel
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5. Dati click pe + pentru a adauga o noua sursa video ( Video Source)
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- Selectati Video Capture Device
- Adaugati un nume
- Bifati „Make Source Visible„
- Dati click pe OK
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- Device: Selecati webcam-ul pe care doriti sa il folositi ( ex. Logitech C920)
- Bifati „Use Preset„
- Rezolutie: Selectati rezolutia recomandata in functie de testul de viteza
- Frame rate: 30
- Dati click pe OK
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6. Dati click pe Setari (Settings)
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- Selectati STREAM TAB
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- Selectati Service – Show all – CAM4
- Selectati Server – CAM4
- Pentru a face rost de Stream Key, trebuie sa deschideti fereastra de transmisiune pe CAM4
- Selectati External Encoder
- Selectati Get Stream Key
- Copiati cheia de transmisiune ( stream key)
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- Inserati cheia de transmisiune din CAM4 in OBS
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- Selectati OUTPUT TAB
In sectiunea Output Mode selectati Advanced din lista.
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Daca programul este x264, folositi urmatoarele setari:
- Rate control: CBR
- Bitrate: valoarea recomandata in tabelul de mai sus
- Keyframe interval ( secunde, 0=auto): 1
- CPU usage preset ( valoare mai mare= mai putin CPU): superfast
- Profile: main
- Tune: zerolatency
- Optiuni x264 ( separate cu spatiu): bframes=0 b-adapt=0 partitions=none scenecut=0 no-weightb weightp=0 sliced=threads Atentie: ! Pentru optiunile x264 trebuie sa copiati valorile manual folosind copy+paste
Daca programul este QuickSync, folositi urmatoarele setari:
- Bifati casuta pentru setarile Enforce streaming service encoder
- Target usage: balanced
- Profile: main
- Keyframe Interval (seconds, 0=auto): 1
- Async Depth: 1
- Rate Control: CBR
- Bitrate: valoarea recomandata in tabelul de mai sus
- B frames: 0
- Bifati casuta pentru Content Adaptive Quantization
7. Alegeti VIDEO TAB
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- Base (Canvas) Resolution: folositi rezolutia recomandata in functie de testul de viteza ( de exemplu 1280×720)
- Output (Scaled) Resolution: aceeasi valoare ca Base (Canvas) Resolution
- Downscale Filter: Bilinear
- Common FPS Values: 30
8. Alegeti ADVANCED TAB
Derulati in jos pagina pana ajungeti la Network area si bifati casuta Dynamically change bitrate to manage congestion
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9. Dati click pe OK
10. Incepeti transmisiunea
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11. Deschideti fereastra de transmisiune pe CAM4 – Selectati External Encoder
12. Permiteti accesul flash ( daca va cere acest lucru 1.1)
13. Apasati Incepe Transmisiunea (1.2)
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