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You can loop an authorized Bengali devotional video into a YouTube Live broadcast with FFmpeg by creating a YouTube stream, copying its RTMPS server URL and private stream key, then sending the file in real time with -stream_loop -1 and -re. The example below is a starting point: match its video settings to your source and YouTube’s current guidance, test the audio and motion, and monitor Live Control Room while it runs.
Before you start: eligibility, rights and equipment
Check that the channel can go live
YouTube’s current eligibility guidance says a channel must be verified and must not have had a live-stream restriction in the preceding 90 days. It also says streamers must be at least 16. Check the channel’s current status and enable live streaming before scheduling your broadcast: YouTube’s live-stream eligibility guidance.
Use content you are authorized to broadcast
Live encoding does not change the rights status of a recording. Before streaming, make sure you have the necessary permissions for the video, the Bengali devotional song or performance, and any artwork or other visuals. Public availability, attribution, or devotional subject matter does not by itself establish permission. Also check YouTube’s current rules for prerecorded and repetitive live content; whether a particular format complies or qualifies for monetization depends on YouTube’s policies and your circumstances.
Prepare the file and computer
Use a local video file that FFmpeg can read, and ensure the computer and network can remain available for the length of the broadcast. This workflow re-encodes video to H.264 and audio to AAC, so installed FFmpeg must include the libx264 encoder. The example assumes a 30 fps output and a 720p-class source; it is not a universal preset. Check your installed build and inspect your source before choosing output settings.
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Create a YouTube Live stream and protect its key
- Open YouTube Live Control Room and create or schedule a stream. Follow YouTube’s encoder setup guide: Create a YouTube live stream with an encoder.
- Copy the server URL and stream key shown for that stream. YouTube supplies both; the key is a credential that lets an encoder send to your broadcast.
- Keep the key private. Do not publish it, include it in screenshots, or commit it to a public script or repository. Replace it if you accidentally expose it.
- Configure FFmpeg to send to the server URL with the stream key appended as shown in the command below. Confirm the exact ingest URL shown in Live Control Room rather than assuming a fixed URL.
YouTube’s encoder setup instructions describe entering the server URL and stream key in an encoder, starting the encoder, and stopping the content send to end the stream. The RTMPS protocol tunnels RTMP through an SSL connection, as described in Google’s RTMPS ingestion documentation.
Loop one video file with FFmpeg
Run this schematic command in a terminal after replacing input.mp4, SERVER, and STREAM_KEY with your file and the values YouTube provides:
ffmpeg -re -stream_loop -1 -i input.mp4
-c:v libx264 -pix_fmt yuv420p -r 30 -g 60 -b:v 4M
-c:a aac -b:a 128k
-f flv "rtmps://SERVER/STREAM_KEY"This is an adaptable example, not a tested universal command. FFmpeg documents -stream_loop -1 for infinite input looping and -re for reading an input at its native frame rate so output is paced in real time: FFmpeg command-line documentation.
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What the important options do
-repaces file reading for a live-style output instead of sending the file as fast as the computer can read it.-stream_loop -1repeats the input indefinitely. It loops this input file; it does not create a playlist of multiple files.-c:v libx264encodes video as H.264. YouTube’s current encoder guidance recommends H.264 for RTMP/RTMPS input.-pix_fmt yuv420pselects a widely compatible pixel format.-r 30sets output to 30 frames per second. Confirm that this is suitable for your source and target resolution.-g 60sets a 60-frame GOP, equivalent to a two-second keyframe interval at 30 fps.-b:v 4Msets the example video bitrate to 4 Mbps. It falls within YouTube’s current 2–6 Mbps guidance for 720p at 30 fps, but bitrate alone does not guarantee a particular picture quality.-c:a aac -b:a 128kencodes audio as AAC at the example bitrate.-f flvselects the output container used for RTMP-style ingest.
Choose settings that fit the source and connection
YouTube’s current encoder guidance recommends RTMPS, constant bitrate (CBR), and a two-second keyframe interval; it says not to exceed four seconds. Its settings table lists 2–6 Mbps video bitrate for 720p at 30 fps. See YouTube’s encoder settings, bitrates and resolutions for current resolution-specific guidance.
The example uses a two-second GOP at 30 fps and a 4 Mbps video bitrate, but does not explicitly force CBR. If you need to set rate control explicitly, consult the options supported by your installed FFmpeg build and use a CBR configuration appropriate to your encoder and YouTube’s current table. Choose a resolution and bitrate your upload connection can sustain reliably; do not assume that increasing bitrate improves the result if the connection cannot carry it. Revisit the command if you change frame rate, since a two-second GOP means twice the frame rate in frames.
Test the broadcast and watch for problems
- Run a speed test and confirm the available upload capacity is reliable for your selected stream settings.
- Start FFmpeg and check Live Control Room for the incoming signal and stream health. Send representative movement and audio during the test so you can spot issues that a static or silent sample would miss.
- Listen to the audio and inspect the picture in the Live Control Room preview. Check that the loop transition is acceptable and that sound remains present throughout the source.
- Monitor Live Control Room’s stream health and messages while broadcasting, and adjust settings if YouTube reports problems.
- To stop, interrupt FFmpeg in the terminal, then confirm the broadcast status in Live Control Room. YouTube says streams under 12 hours are automatically archived; this archiving note is not a guarantee that a continuous broadcast will run indefinitely.
Troubleshooting
YouTube does not receive a signal
Check that the stream key and server URL are copied correctly, that the key belongs to the stream you opened in Live Control Room, and that the computer has internet access. Treat the key as private; do not paste it into public troubleshooting posts.
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FFmpeg reports that an encoder or file is unavailable
Confirm the input path and file permissions. If FFmpeg reports that libx264 is unavailable, use an FFmpeg build that includes that encoder or adjust the command to an encoder available in your build while preserving YouTube-compatible output settings.
The broadcast buffers or stream health is poor
Compare the upload connection with the selected resolution and bitrate, then choose a reliable quality based on that connection. Use YouTube’s current bitrate guidance for the target resolution and frame rate; do not infer quality from bitrate alone.
The picture or audio is not as expected
Test with representative motion and sound, verify the input file plays correctly, and inspect the Live Control Room preview and health messages. Recheck the chosen output frame rate, resolution, audio encoding, and bitrate against the source and current YouTube guidance.
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Frequently Asked Questions
Can I loop more than one Bengali devotional video with this command?
No. The example repeats one input file; it does not define a multi-file playlist.
Will YouTube archive a continuous FFmpeg broadcast?
YouTube says streams under 12 hours are automatically archived; that does not guarantee an indefinitely running broadcast will be archived.
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