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For one MP4, add an OBS Media Source, select the file, and enable Loop. For several files, use a VLC Video source, arrange the playlist, and enable Loop Playlist. Then connect OBS to YouTube Live, check the Live Control Room preview, and test the complete scene before broadcasting.
The looping steps are the same for regional-language and other MP4 files. The important checks are whether you need one file or a playlist, whether the file plays correctly in OBS, and whether its audio and video are cleared for public streaming.
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Choose the right OBS source
| What you want to play | OBS source | What to know |
|---|---|---|
| One MP4, repeated | Media Source | Select the local file and enable Loop. VLC is not required for this source. |
| Several MP4s in a set order | VLC Video | Add the files to its playlist and enable Loop Playlist. VLC must be installed, and 64-bit OBS requires 64-bit VLC. |
OBS documents MP4 among its supported video types, but that does not guarantee every codec, profile, or damaged file will play. Test the exact files in OBS before relying on them for a live broadcast. [OBS: Media Sources]
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Loop one MP4 with Media Source
- Open OBS and select the scene where the video should appear.
- In the Sources dock, select + and choose Media Source. Create a new source or select an existing one.
- In the source properties, select the local MP4 file.
- Enable Loop, then select OK.
- Start playback in the OBS preview and let the file reach its end. Confirm it restarts and that the picture and sound are correct.
Keep the source available in the scene while the video is meant to play. If the source is hidden or the scene changes, check the scene and source visibility behavior before the broadcast.
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Guermok Video Capture Card, 4K USB3.0 HDMI to USB C, 1080P 60FPS & 2K 30FPS | Capture Card for Streaming, Compatible with iPad Mac OS Windows, Quest 3, OBS, PS5/4, Switch2/1, Xbox, Camera (Silver)
- 【1080P 60FPS Video Capture Card】 This HDMI game capture card is based on USB3.0 high speed transmission port, input resolution up to 4K@30HZ, output resolution up to 2K@30Hz or 1920×1080@60Hz. Type c and USB interface can meet most of the devices in daily life. Easily meet the online capture, real-time recording, online meetings, live gaming and other functions, so you have a better visual enjoyment. Note: For capture use only; requires capture software to function and is not intended for direct screen casting to a monitor or TV
- 【Ultra Low Latency Screen Sharing】 HDMI capture card is made of good quality aluminum alloy with strong heat dissipation, allowing you to enjoy ultra low latency while live gaming or video recording or live streaming, avoiding blue screens and lag. This HDMI to USBC capture card supports easy recording of good quality audio or HD video and transferring it to your computer or streaming platform, allowing you to record 60 fps HD video directly on your hard drive and real-time preview
- 【Plug and Play, Easy to Carry】 This HDMI 1080P video capture card does not require any additional drivers or external power supply, just plug and play for fast capture. The capture card is small and lightweight, so you can put it in your bag for emergencies, making it very portable for outdoor live streaming. It's also a great way to share content in game recording, video conference, video recorder and online teaching
- 【Wide Compatibility USB Capture Card】 Easily streams to Facebook, Youtube or Twitch. With the connection, this HDMI to USB C/3.0 video capture devices can be working on several Operating Systems and various software: Windows 7/ 8/ 10, Mac OS or above, Linux, Android, Laptop, Xbox One, PS3/PS4/PS5, Camera, DVDs, Set Top Box, Webcame, DSLR, Switch/Switch 2, TV BOX, HDTV, Potplayer/VLC, ZOOM, OBS Studio etc.
- 【Package Content & Note】 1x HD Audio Capture Card , 1x USB 3.0 to USB C Adapter (A-side 3.0, B-side 2.0), 1x user manual. Please note that you need to restart the OBS Studio software after the audio setup is complete, otherwise it will result in no sound output. When using an adapter, if the device is recognized as USB 2.0, try using the other side with the USB-C port. Simply flip the capture card and reconnect it to be recognized as USB 3.0
Loop several MP4 files with VLC Video
- Install VLC before adding the playlist source. Match the installation architecture to OBS: 64-bit OBS needs 64-bit VLC.
- In the OBS Sources dock, select + and choose VLC Video.
- Open the source properties and add the MP4 files to the playlist in the order you want them played.
- Leave Loop Playlist enabled. OBS documents this option as on by default; verify its state in the source properties.
- Preview the playlist, including the transition from the last file back to the first. Check the source’s visibility and scene behavior if you switch scenes or hide it.
Use Media Source when one file is enough; use VLC Video when you need a playlist. OBS’s documented source controls do not describe a separate regional-language looping mode. [OBS: Media Sources]
Check regional-language audio, subtitles, and labels
- Audio track: Confirm that the intended language track is playing in the OBS preview. If the file offers multiple tracks and OBS does not play the one you expect, test the file and source settings before going live.
- Mixer levels: Watch the OBS Audio Mixer meters while the video plays. If the stream should be silent, check the source audio and mixer before broadcasting. OBS’s quick start guidance recommends checking the mixer and selecting audio devices as needed. [OBS: Quick Start Guide]
- Subtitles and on-screen labels: Add them as separate scene sources if needed. Check that the chosen font renders the language’s script correctly and that text is readable in the preview; rendering depends on the font and file.
- Rights: Make sure you are authorized to stream both the video and its audio publicly. A file being available in a language or format does not establish permission to rebroadcast it.
Connect OBS to YouTube Live
- In YouTube Studio, open Go Live to reach the Live Control Room, then create or select the stream.
- In the stream settings, obtain the stream URL and stream key, then enter them in OBS’s stream settings for the YouTube destination. Follow the current YouTube and OBS labels shown in your versions.
- Keep the stream key private. YouTube says, “Stream keys are like your YouTube stream’s password and address.” Do not put it in a visible scene, share it, or show it in a recording. [YouTube Help: Manage live stream settings]
- Start the stream from OBS and wait for the Live Control Room preview. Check that the correct scene, picture, audio, and stream status appear before making the broadcast public.
YouTube’s current guidance says a channel must be verified and have no live-stream restriction in the previous 90 days to use live streaming. Confirm eligibility in the channel before scheduling a broadcast. [YouTube Help: Get started with live streaming]
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Capture Card, 4K HDMI Video Capture Card, Game Capture Card, 1080P 60FPS Video Capture Device, HDMI to USB 3.0 Capture Card for Streaming, Work with Camera/Xbox/PS4/PS5/PC/OBS
- 【1080P HD High Quality】Capture resolution up to 1080p for video source and it is ideal for all HDMI devices such as PS4, PS3, Xbox One, Xbox 360, Wii U, DVDs, DSLR, Camera, Security Camera and set top box. Note: Video input supports 4K30/60Hz and 1080p120/144Hz. Does not support 4K120Hz/144Hz. Output supports up to 2K30Hz.
- 【Plug and Play】No driver or external power supply required, true PnP. Once plugged in, the device is identified automatically as a webcam. Detect input and adjust output automatically. Won't occupy CPU, optional audio capture. No freeze with correct setting.
- 【Compatible with Multiple Systems】suitable for Windows and Mac OS. High speed USB 3.0 technology and superior low latency technology makes it easier for you to transmit live streaming to Twitch, Youtube, Facebook, Twitter, OBS, Potplayer and VLC.
- 【HDMI LOOP-OUT】Based on the high-speed USB 3.0 technology, it can capture one single channel HD HDMI video signal. There is no delay when you are playing game live.
- 【Support Mic-in for Commentary】Rybozen capture card has microphone input and you can use it to add external commentary when playing a game. Please note: it only accepts 3.5mm TRS standard microphone headset.
Set a safe test and check upload bandwidth
Where practical, test with a brief private or unlisted stream. Let OBS send for a few minutes, inspect the Live Control Room preview, and confirm that viewers can access the stream as intended. OBS recommends testing settings for a few minutes; YouTube advises checking preview and stream integrity. [OBS: Quick Start Guide] [YouTube Help: Encoder settings, bitrates, and resolutions]
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Compare your available upload bandwidth with the total bitrate of the stream, including video and audio. YouTube recommends leaving 20% upload-bandwidth headroom. This is a platform recommendation, not a guarantee that a particular connection will remain stable. Choose resolution and bitrate for your actual source and connection; no India-specific OBS encoder preset is established here. [YouTube Help: Encoder settings, bitrates, and resolutions]
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Video Capture Card, 4K USB3.0 HDMI to USB C, 1080P60FPS HDMI Capture Card for Streaming, Gaming, Video Recording Compatible with Switch, Xbox, PS4/5, OBS,iPad Mac OS Windows,Camera, Zoom(Silver)
- 【4K HDMI Input, 2K@30Hz Recording】Powered by a true USB 3.0 high-speed interface, the capture card supports up to 4K@30Hz HDMI input and records at 2K@30Hz or 1080P@60Hz. Perfect for gamers, streamers, and professionals who need crisp, smooth video for live streaming, gameplay recording, or online meetings.
- 【Ultra Low Latency Screen Sharing】Built with a premium aluminum alloy shell and advanced chipset for stable heat dissipation, ensuring ultra-low latency transmission. Capture high-quality video and dual-channel audio in real time—no lag, no frame drop—ideal for Twitch, YouTube, or OBS streaming.
- 【Easy Plug and Play, Compact & Portable】No driver or external power required—just plug and play via USB 3.0 or Type-C connection to your Windows or macOS computer. Lightweight and compact design makes it easy to carry for outdoor streaming, live shows, or mobile recording setups.
- 【Wide Compatibility & Multi-Device Support】Compatible with Windows 7 8 10 11, macOS, Linux,Android and supports most popular software such as OBS, Zoom, VLC, Twitch Studio, and more. Works seamlessly with PS4, PS5, Xbox, Switch, DSLR cameras, TV boxes, and other HDMI-output devices for streaming to YouTube, Twitch, etc.
- 【What You Get】Includes: HDMI Capture Card, USB 3.0 to USB-C Adapter, User Manual. Tips: Make sure your tablet’s OTG function is enabled before connecting. Test your HDMI device with a monitor first to confirm video and audio output, then connect to the Video Capture Card for recording.
Troubleshoot common playback and streaming problems
| Symptom | Likely check | What to do |
|---|---|---|
| The video does not restart | Loop setting or source type | For one file, confirm Loop is enabled on Media Source. For a playlist, confirm Loop Playlist is enabled on VLC Video. |
| VLC Video is missing or does not work | VLC installation or architecture mismatch | Install VLC and ensure its architecture matches OBS; 64-bit OBS requires 64-bit VLC. |
| A file will not play or behaves unexpectedly | File compatibility or damage | Play the exact file in OBS before the event. MP4 support does not mean every codec/profile or damaged file is supported. |
| The wrong language track plays, or there is no sound | Source audio, track selection, or mixer | Preview the file in OBS, inspect available source audio settings, and watch the Audio Mixer meters. Check whether the source or mixer is muted. |
| The stream does not appear in YouTube | Eligibility, stream details, or key | Check the Live Control Room, verify the channel meets YouTube’s eligibility requirements, and confirm the correct stream URL and private stream key are entered in OBS. |
| Preview stutters or the stream drops | Upload capacity or connection stability | Compare the connection’s upload capacity with total stream bitrate and retain YouTube’s recommended 20% headroom. Test before the public broadcast and review stream integrity in the Live Control Room. |
| Text or subtitles are hard to read | Font rendering or scene layout | Preview the language script using the chosen font, then adjust the text source and layout before broadcasting. |
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- Nothing has to stay running at home.
- Each slot streams your upload as made, up to 4K 60fps, at one flat price per slot, with no re-encode or quality tiers.
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Monthly: $9.99 per month. Start your free day on StreamNeo.
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Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
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