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To loop a local video file on YouTube Live with FFmpeg, copy the current stream URL and key from YouTube Studio, then run FFmpeg with real-time input pacing and an RTMP or preferably RTMPS output. The command below is a starting point; match its encoding settings to your video and upload capacity, confirm the preview in Live Control Room, and keep the stream key private.
Before you start
- A YouTube channel that is verified and has had no live-streaming restrictions in the past 90 days. YouTube lists these as live-streaming requirements in its encoder setup instructions.
- A local video file and an FFmpeg build that supports the encoders and transport you plan to use.
- A reliable upload connection with enough capacity for your chosen video bitrate, plus access to YouTube Studio’s Live Control Room.
Check the file’s streams before choosing audio options. A video without an audio stream needs a different command from one that contains audio; do not assume that an AAC audio option can be applied to every input.
Get the YouTube stream URL and key
- In YouTube Studio, select Create → Go Live.
- Create an encoder stream, or schedule a stream and open it from the Manage tab.
- In that stream’s settings, copy its Stream URL and Stream key. Use the values shown for that specific stream rather than a guessed or remembered endpoint. YouTube treats the key as the encoder’s password and advises keeping it private. See Manage live stream settings.
- Prefer the RTMPS endpoint when your FFmpeg build supports it. YouTube’s displayed URL may default to ordinary RTMP; its RTMPS instructions explain how to reveal the secure URL using the lock icon in Live Control Room.
Do not publish the key or put it in a public script, screenshot, or repository. Anyone who obtains it may be able to send a feed to your stream. If it is exposed, reset it in Live Control Room and update the command with the replacement.
Run FFmpeg to send a looping file
Replace loop.mp4 with your file and replace the example destination with the exact URL and key YouTube shows for your stream. Keep the key private.
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#1 Best Overall
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.
ffmpeg -re -stream_loop -1 -i "loop.mp4"
-c:v libx264 -preset veryfast
-b:v 2500k -maxrate 2500k -bufsize 5000k
-pix_fmt yuv420p -g 60
-c:a aac -b:a 128k -ar 44100
-f flv "rtmps://SERVER/APP/STREAM_KEY"This is an illustrative, untested example, not a guarantee for every FFmpeg build or input. The sample bitrate is not a universal YouTube recommendation. Consult YouTube’s current live encoder settings and bitrate guidance for your target resolution and frame rate, and make sure your available upload capacity can sustain the output.
What the options do
-rereads the file at real-time pace. It belongs before-i, so FFmpeg sends the media as a live feed rather than processing the file as quickly as possible.-stream_loop -1requests indefinite looping of the input. Check the installed version’s local help if the option is unavailable; the online FFmpeg documentation tracks the newest revision.-c:v libx264and-c:a aacselect H.264 video and AAC audio, codecs listed in YouTube’s live encoder guidance.-f flvselects the FLV output muxer used in FFmpeg’s RTMP example pattern. FFmpeg documents RTMP and RTMPS among its network protocols.-g 60sets a 60-frame GOP. That is a two-second interval only when the output is 30 fps. YouTube recommends a two-second keyframe interval and says not to exceed four seconds, so set the GOP in relation to your actual output frame rate.-b:v,-maxrate, and-bufsizecontrol video bitrate and buffering in this example. Adjust them to the format and bandwidth rather than treating the sample numbers as prescribed settings.
FFmpeg options apply to the next input or output, so keep input options such as -re and -stream_loop before -i, and output encoding options before the destination. See the FFmpeg command documentation.
Rank #2
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.
If the file has no audio
Inspect the input’s audio and video streams first. If there is no audio stream, omit audio encoding or supply an intentional audio input and map streams accordingly; do not assume every combination of silent input and AAC options will be accepted identically. Confirm the resulting feed in YouTube’s preview before relying on it.
Check the preview and go live
- Start FFmpeg and leave the terminal open while it sends the feed.
- In Live Control Room, wait for the stream preview. Confirm the image and audio are present and inspect stream health.
- For a scheduled stream, click Go live in Live Control Room once the encoder feed is ready. Test ahead of an event and use representative movement and audio, as YouTube recommends.
- Choose a resolution and frame rate your connection can sustain. If stream health shows problems, reduce the bitrate or output resolution and test again.
Stop the loop and end the broadcast
Stop FFmpeg to end the outgoing feed, then use End Stream in Live Control Room where applicable. YouTube says streams shorter than 12 hours are automatically archived; do not assume that applies to streams lasting 12 hours or longer.
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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.
Troubleshoot common problems
| Symptom | Likely check | What to do |
|---|---|---|
| No preview appears | The feed may not be active, the URL and key may come from different streams, or FFmpeg may have stopped sending data. | Confirm FFmpeg is still running; copy the URL and key again from the same stream; check whether you selected RTMP or RTMPS and whether your build supports it. |
| TLS or connection error | The URL may be ordinary RTMP rather than the RTMPS endpoint, or the local build may not support the transport. | Use the RTMPS URL shown in Live Control Room. YouTube notes that port 443 may help when the URL otherwise looks correct and an SSL error occurs. Use the endpoint provided for that stream. |
| Key may have been exposed | A screenshot, public command, or shared file may contain the credential. | Reset the stream key in Live Control Room and update FFmpeg with the new key before sending again. |
| Unstable quality or dropped data | The outgoing bitrate may exceed available upload capacity, or the selected settings may not suit the target format. | Test upload capacity, lower bitrate or resolution as appropriate, consult YouTube’s current encoder recommendations, and monitor stream health. |
| FFmpeg rejects an option or encoder | The installed build may lack the selected encoder, protocol, or option support. | Check that build’s available encoders and local help; choose supported options or use a build that supports the required encoding and RTMPS transport. |
Or let it run in the cloud
If you would rather not keep a computer and home connection running, StreamNeo keeps an uploaded video or playlist live on YouTube from the cloud. Upload your recording, add your YouTube stream key once, and go live. It plays uploaded videos; it does not stream from a camera.
Quick Recap
Bestseller No. 1
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.
- Nothing has to stay on at home; the stream runs from the cloud and can recover automatically if YouTube drops it.
- One flat price per slot covers any uploaded quality up to 4K 60fps, without re-encoding or quality tiers.
- The first day is free with no card. The monthly option is $9.99 per month.
Start your free StreamNeo day.
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.
