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To loop a prerecorded store promotion on YouTube Live, set the loop in an encoder such as OBS Studio—not in YouTube Studio. Add the video as an OBS Media Source, enable Loop, connect OBS to YouTube Live Control Room with the stream URL and key, then verify the preview and stream health before going live.
What YouTube Studio controls—and what the encoder controls
YouTube Live Control Room creates and manages the broadcast, including its stream URL and stream key. The encoder sends the video feed, and its settings determine whether a prerecorded file repeats. In OBS, that means enabling Loop on a Media Source. YouTube does not provide a loop checkbox for a video file in Studio.
OBS is a software encoder that can play a local video file. YouTube also supports hardware encoders, but the basic file-loop workflow does not require special hardware. OBS lists MP4, TS, MOV, FLV, MKV, AVI, GIF, and WebM as supported Media Source file types. Its Loop option is off by default. A VLC Video source is another option for playlists and has a Loop Playlist setting, but requires VLC to be installed. OBS Media Sources
Set up the YouTube broadcast
- In YouTube Studio, select Create > Go Live.
- In Live Control Room, open Manage to schedule a broadcast, or use Stream to create or start one immediately. Scheduling is useful if you want an upcoming broadcast listing and viewers to be able to opt into notifications.
- Set the title, description, audience, and privacy. Choose Public, Private, or Unlisted deliberately. Use Unlisted for a rehearsal that should not be publicly discoverable.
- Review monetization and rights options if they apply. Confirm that your store has permission to use both the promotional video and its soundtrack; having a file does not by itself establish those rights.
- Decide whether viewers should be able to pause or rewind by checking the DVR setting. Review Auto-start and Auto-stop as well: these controls determine whether encoder actions start or stop the broadcast.
Labels and available controls can vary as YouTube Studio changes. Check the current Live Control Room before the event. YouTube’s broadcast setup and stream-key guidance is at YouTube Help: Create a YouTube live stream with an encoder.
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#1 Best Overall
Sale
ZowieBox, 4K HDMI NDI Video Encoder/Decoder, HDMI NDI
- Compact but Powerful Design: ZowieBox is smaller than a phone, featuring a tally light and LCD screen for streaming status. Capture console gameplay in up to 4K with zero-lag HDMI passthrough, while the built-in video encoder converts video for IP streaming. The IP stream can also be decoded back to a 4K HDMI signal.
- Standalone Game Streaming: Just plug and play—ZowieBox enables PC-free live gaming without affecting gameplay. As an RTMP hardware encoder and HDMI streamer, it delivers stable streaming directly from your source, making it ideal for gaming, live events, and professional broadcasting.
- NDI|HX3 Converter Technology: ZowieBox converts HDMI signals to NDI|HX3/HX2/HX, functioning as an NDI video encoder, or NDI Video Decoder for flexible IP workflows. Certified NDI technology enables low-latency gameplay streaming through OBS/vMix. Note: Encoder and decoder modes cannot run simultaneously; full NDI signals are not supported.
- UVC to HDMI Conversion: Supporting up to 4K@30fps and 1080p@60fps decoding, ZowieBox enables flexible conversion for webcam and video workflows. As a video decoder and HDMI to IP converter, it expands connectivity options for professional video devices. Note: USB capture card functionality is not currently supported.
- All-around Configuration Options: Control ZowieBox through its web UI on a PC, phone, or tablet. Manage connected PTZ cameras, tally light, video/audio, OSD, work mode, streams, network, and system settings. Support for VISCA over IP encoder workflows enables flexible PTZ control, while the dashboard provides video preview and system status.
Loop the promotion in OBS
- Open OBS and create or select a scene for the promotion.
- Under Sources, select + and add Media Source.
- Choose the local promotion file, then enable Loop in the source properties. Confirm the selected file is the intended version.
- Check the canvas framing. If the video does not match the canvas aspect ratio, adjust its transform or canvas settings so important text and product details are not cropped or surrounded by unintended borders.
- Play the source and inspect the point where it restarts. Confirm the video appears in the intended scene and its audio is routed to the stream at a suitable level.
For a playlist rather than one repeating file, you can use a VLC Video source and enable Loop Playlist; VLC must be installed. OBS’s source documentation describes the available file source options: OBS Media Sources.
Connect OBS to YouTube and choose encoder settings
- In YouTube Live Control Room, copy the stream URL and stream key. Treat the key like a password: anyone with access may be able to send a feed to your broadcast.
- In OBS, open Settings > Stream. Select YouTube if using its service preset, or enter the server/stream URL and stream key as OBS requests.
- Open Settings > Output and choose a bitrate the internet connection can sustain consistently. Under Settings > Video, set the intended output resolution and frame rate.
- For H.264 video, use YouTube’s bitrate table for the actual resolution and frame rate. Its current guidance lists 14 Mbps recommended and 5 Mbps minimum for 1080p30; for 720p30 it lists 8 Mbps recommended and 3 Mbps minimum. These are YouTube ingestion recommendations, not guarantees that a particular connection or computer will remain stable.
- Use constant bitrate (CBR), a keyframe interval of two seconds (YouTube says not to exceed four seconds), and RTMPS where supported. For audio, YouTube recommends AAC or MP3. Select output settings that match the production and upload connection rather than choosing a higher resolution or bitrate than they can reliably sustain.
Resolution, frame rate, codec, and bitrate recommendations vary by format. Check the current table before configuring a different production format: YouTube Help: Live encoder settings, bitrates, and resolutions.
Rank #2
Sale
UNISHEEN 1080P60 HDMI Video Encoder, H.265/H.264 Live Streaming Encoder, HDMI to RTSP/RTMP/SRT/HLS/WebRTC IPTV Encoder for YouTube Facebook Live, Browser Setup, No PC Software Needed
- 【Hardware H.265/H.264 Encoding at 1080P60】Dedicated hardware encoder delivers broadcast-quality 1080P60 streams with H.265/H.264 compression. Reduces bandwidth usage by up to 50% compared to legacy H.264-only solutions, while maintaining crisp, crystal-clear video output.
- 【Broad Protocol Support for IP Distribution】 Supports SRT, RTMP(S), RTSP, UDP, HTTP, HLS, WebRTC, TRTC, Icecast and SHOUTcast — integrate seamlessly with CDNs, surveillance NVRs, IPTV systems and browser-based monitoring dashboards. One device replaces multiple single-purpose streaming boxes.
- 【Browser-Based Setup in Minutes】 Set up in minutes through any browser — no software, drivers or OS compatibility issues. DHCP is enabled by default to prevent IP address conflicts on your network. Note: basic networking knowledge (IP address, RTSP/RTMP configuration) is recommended for advanced streaming setups.
- 【Compact Design with Flexible Deployment】Palm-sized form factor (approx. 90×54×29mm) fits easily behind monitors, on shelves, or in equipment racks. Low power consumption ensures reliable 24/7 operation for live events, remote monitoring, and digital signage.
- 【Professional Audio & OSD Overlay + 1-Year Warranty】 Supports HDMI embedded audio plus external 3.5mm input. Built-in OSD generator adds scrolling text, logos, or timestamps directly to the video stream — ideal for branding, event info, or security labeling. Backed by a 1-year warranty and 24/7 online technical support.
Test, start, and end the stream
- Before the public broadcast, run an unlisted test if possible. Check the image, crop, audio, loop restart, and the stream preview in Live Control Room.
- For a scheduled broadcast, start the encoder at least 15 minutes before the event, as YouTube recommends. Wait for the preview and inspect stream health before clicking Go live. Do not start publicly until the correct video and audio are reaching the preview.
- During the broadcast, monitor the preview and health indicators. If the feed is unstable, lower the bitrate or output resolution to a level the upload connection can maintain.
- When finished, click End Stream in Live Control Room and stop the encoder. YouTube says streams under 12 hours are automatically archived; do not assume that longer streams will be archived automatically.
See YouTube’s guidance on rehearsal and event preparation at YouTube Help: Live stream tips.
Troubleshoot common problems
- The promotion plays once and stops: Open the OBS Media Source properties and turn on Loop. The setting is off by default.
- YouTube is not receiving the feed: Check that OBS is connected to the correct stream URL and key, and that the encoder has actually started. If needed, copy the current credentials from Live Control Room again; never share the key publicly.
- The preview is black or framed incorrectly: Confirm the correct scene and file are selected, then adjust the source transform or output canvas. Verify the video locally before relying on the preview.
- The preview has no sound: Check that the source audio is enabled and routed to OBS’s stream mix, then inspect the audio meter and preview. Test with audible material rather than judging from a silent or static frame.
- The stream reports connection or health problems: The selected bitrate may be too high for the available upload connection. Reduce bitrate or output resolution and retest; YouTube advises choosing quality the connection can sustain.
- The wrong audience sees the broadcast—or cannot find it: Check the broadcast’s Public, Private, or Unlisted setting and confirm you selected the intended scheduled event before going live.
- The stream ends unexpectedly or viewers cannot rewind: Check Auto-stop and Auto-start behavior, and review whether DVR is enabled for the broadcast.
Or let it run in the cloud
If you need a YouTube channel to keep playing uploaded promotion videos when the local computer is off, StreamNeo runs the loop from the cloud. Upload the video, add your YouTube stream key, and go live. Nothing has to stay on at home; videos stream as uploaded at any quality up to 4K 60fps for one flat price per slot, and the service automatically recovers if YouTube drops the stream. The first day is free with no card required. Monthly: $9.99 per month. Start your free day on StreamNeo.
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SaleBestseller No. 2
Bestseller No. 3
Best Value
ORIVISION H.265/264/MJPEG Ultra Mini HDMI 1080P Video Encoder with HDMI loopout, HTTP, RTSP, RTMP/RTMPS, SRT, HLS, FLV, Compatible with ONVIF, Multicast IPTV Encoder for YouTube Facebook Twitch Live
- 【Local Recording & Video Cropping – EH1211 Exclusive Features】 This mini HDMI video encoder supports local recording to USB drive or TF card – it can record both RTSP streaming video and direct HDMI input to external storage. The built-in video cropping function lets you customize the encoding region, making it easy to adapt input to needed displays or focus on specific areas. With its space-saving design, EH1211 is ideal for classrooms, conference rooms, and digital signage installations.
- 【ORIVISION Advantage& Ultra Mini Model】- This ORIVISION ultra mini video encoder has high integration with low cost. Ultra mini size(125x72x25mm) and light weight (200g) of H.265 encoder is perfect for live broadcasting applications with frequent move or tiny device installation space. IP encoder has 1 X HDMI Input and loop-out, 1 X 3.5mm audio input,1 X 3.5mm audio output(new), 1X USB2.0 port(new), 1X TF card port(new). IPTV encoder support audio encoding without video input.
- 【1080P@30HZ Input/Output Resolution & 2 Channel Output】- HDMI encoder supports max 1080P@30 resolution HD input and output. The video encoder for live broadcasting can output 2 channels feeds at the same time. While only 1 channel can reach 1080p output. The H.265/ H.264 encoder supports multiple different protocol feeds output at the same time, but does not support simultaneous output 1080P30.
- 【Multi-Protocols & Software & Platform & Flip Supporting】- Hardware encoder supports protocols including HTTP/HTTPS/RTSP/RTMP/RTMPS/SRT/UDP/RTP/FLS/FLV,is compatible with Onvif protocol. Multicast UDP/RTP. HDMI video encoder supports software like Flashplayer, OBS, VLC player, Vmix..etc. Fit for Youtube, Facebook, Ustream, Livestream, Twitch, Vimeo, Streamspot, Dacast, Tikilive, Netrmedi, etc. This video encoder also supports new function of image rotation and mirror flip. More convenient for live broadcasting.
- 【Powerful OSD Setting】- OSD setting function of the live broadcasting encoder makes it easy for you to add any self-defined text, time and image overlay on your video when output displayed. You may add any text/logo at any position to announce your copyrights with this hevc video encoder.
Rank #4
HEVC MPEG4 H.265 H.264 HDMI to IP Network Video Encoder, 1080P HD Digital Video Audio Encoder Hardware Supports RTSP RTMPS UDP HLS SRT, for IPTV, Live Streaming, YouTube, Facebook, OBS, NVR, etc.
- ⭐【Innovative Product with Leading Technology】- Equipped with an advanced H.265/H.264 dual encoding chip, supports 1920x1080 resolution input and output, achieving 60fps high-definition presentation with realistic and delicate color reproduction and lossless detail. It also supports HDCP 1.4 decryption, easily decoding various HDMI high-definition video sources, delivering a cinematic visual experience for both professional live streaming and high-definition content transmission.
- ⭐【Multi-protocol and Multi-platform Compatibility】- Fully compatible with streaming protocols such as HTTP, RTSP, RTMP(S), SRT, HLS(M3U8), MP4, Multicast(UDP, RTP, PTL), ONVIF, FLV, it can simultaneously output 4 video streams with different protocols and push them to live streaming platforms such as YouTube, Facebook, Twitch, and Vimeo with one click. Simultaneous live streaming across multiple platforms can be achieved without additional equipment.
- ⭐【Highly Customizable Settings to Meet Individual Needs】- It supports adding static text, scrolling captions, brand logos, and timestamps. Users can freely adjust core parameters such as video resolution, frame rate, and bitrate, and also perform personalized editing functions such as video cropping, rotation, flipping, and mirroring. It supports dual input of HDMI embedded audio and line-in audio, with adjustable sound quality, making your live stream content more distinctive and allowing you to create a unique brand live stream style.
- ⭐【Stable and Efficient Transmission, Easy Operation】- Employing HDMI to Ethernet core connection technology, it ensures stable and reliable network transmission with low latency and no lag, adapting to various network environments. Equipped with an intuitive user interface and detailed instruction manual, no professional technical background is required; setup can be completed quickly after connecting the device. It is also compatible with multiple terminals such as computers and mobile phones for management, and the video stream status can be viewed in real time via a URL.
- ⭐【Lifetime Free Warranty and Technical Supports】- All URayCoder video codecs come with a lifetime free warranty and technical supports, supporting secondary development and feature customization to meet enterprise-level personalized needs. Meanwhile, we providing many kinds of customization services such as shell pattern printing, logo addition, hardware and function development, ensuring reliable quality and worry-free after-sales service.
Rank #3
URayCoder HD HEVC H.265 MPEG4 H.264 4K HDMI to Video Streaming IPTV Encoder for HDMI to RTSP RTMP HTTP UDP HLS SRT Facebook YouTube Live Streaming Server
- 【Innovative Product with Leading Technology】- Equipped with an advanced H.265 /H.264 dual encoding chip, supports 4K UHD (3840x2160) video input and output, with a maximum frame rate of 30fps at 4K resolution and up to 120fps at 2K and lower resolutions, delivering a smooth and detailed visual experience. It also supports HDCP 1.4 decryption, easily decoding various HDMI ultra HD video sources, delivering a cinematic visual experience for both professional live streaming and 4K ultra HD content transmission.
- 【Multi-protocol and Multi-platform Compatibility】- Fully compatible with streaming protocols such as HTTP, RTSP, RTMP(S), SRT, HLS(M3U8), MP4, Multicast(UDP, RTP, PTL), FLV, WebRTC, TRTC, ICECAST, it can simultaneously output 4 video streams with different protocols and push them to live streaming platforms such as YouTube, Facebook, Twitch, and Vimeo with one click. Simultaneous live streaming across multiple platforms can be achieved without additional equipment.
- 【Highly Customizable Settings to Meet Individual Needs】- It supports adding static text, scrolling captions, brand logos, and timestamps. Users can freely adjust core parameters such as video resolution, frame rate, and bitrate, and also perform personalized editing functions such as video cropping, rotation, flipping, and mirroring. It supports dual input of HDMI embedded audio and line-in audio, with adjustable sound quality, making your live stream content more distinctive and allowing you to create a unique brand live stream style.
- 【Stable and Efficient Transmission, Easy Operation】- Employing HDMI to Ethernet core connection technology, it ensures stable and reliable network transmission with low latency and no lag, adapting to various network environments. Equipped with an intuitive user interface and detailed instruction manual, no professional technical background is required; setup can be completed quickly after connecting the device. It is also compatible with multiple terminals such as computers and mobile phones for management, and the video stream status can be viewed in real time via a URL.
- 【Lifetime Free Warranty and Technical Supports】- All URayCoder video codecs come with a lifetime free warranty and technical supports, supporting secondary development and feature customization to meet enterprise-level personalized needs. Meanwhile, we providing many kinds of customization services such as shell pattern printing, logo addition, hardware and function development, ensuring reliable quality and worry-free after-sales service.
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