First identify what is freezing: the video source, the OBS preview, the stream connection, or playback for viewers. Those symptoms point to different fixes. For a single local video, check the OBS Media Source’s Loop setting; for choppy OBS output, reduce rendering or encoding load; for rising dropped frames, investigate the connection to YouTube’s stream server.
Identify what is actually freezing
“Freezing” can describe several different problems. Watch OBS and, if possible, the YouTube playback at the same time before changing settings.
| What you see | Likely area to investigate |
|---|---|
| Only the prerecorded video stops or fails to replay; OBS remains responsive | Media source type and playback settings |
| The OBS preview or other scene elements stutter, or OBS reports rendering or encoding overload | Local scene rendering or encoding workload |
| OBS’s dropped-frame counter rises | Connection stability or whether the connection can sustain the configured bitrate |
| Viewers report buffering, but OBS does not show dropped frames | Viewer-side networks and devices, or delivery and transcoding conditions—not necessarily a failed local loop |
OBS distinguishes dropped frames from viewer buffering: dropped frames indicate trouble maintaining a stable connection to the remote stream server or keeping up with the set bitrate, while viewers can buffer even when OBS is not dropping frames. See the OBS Project’s stream connection troubleshooting and stream buffering troubleshooting guides.
Check the prerecorded-video source and loop settings
For one local video file: use Media Source
- In OBS, add or select a Media Source for the local file.
- Open that source’s properties and confirm the correct media file is selected.
- Enable Loop. This is the setting that makes the file play again when playback completes.
- Do not confuse Loop with Restart playback when source becomes active. Restart playback controls what happens when the source becomes active in the scene; it does not replace looping after the file ends.
- Also distinguish Show nothing when playback ends: that controls the end state, not whether the file loops.
OBS documents these Media Source properties in its Media Sources guide. If the source itself stops at the end of the file while the rest of OBS continues normally, verify Loop before changing encoder or network settings.
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For a playlist: consider VLC Video
- Use OBS’s VLC Video source when you need a playlist rather than a single file.
- Confirm VLC is installed. The OBS documentation specifies that 64-bit OBS requires 64-bit VLC.
- Check the source’s Loop Playlist property. OBS documentation lists it as On by default, but verify the setting in your source.
VLC Video and Media Source serve different workflows; changing to a playlist source is not a general fix for a preview, encoding, or network problem.
If OBS itself stutters, reduce local rendering and encoding load
A local preview or output that stutters points toward the work OBS must render and encode. OBS notes that sources may use resources even when they are not visible, so hiding a source does not always eliminate its cost. Its encoding performance troubleshooting guide recommends reducing unnecessary GPU work and simplifying the scene.
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- Simplify the scene. Remove sources and effects you do not need for this stream, including unnecessary high-resolution or animated elements.
- Reduce output resolution or frame rate if needed. Lowering either reduces workload but also reduces image detail or motion smoothness. OBS gives reducing 60 fps to 30 fps as an example when 60 fps is not working; it is a diagnostic adjustment, not a required setting for every system.
- On Windows, try running OBS as administrator. OBS lists this as a quick troubleshooting step for some GPU-overload situations. It is Windows-specific and is not proof that GPU overload caused a particular freeze.
- Check whether software encoding is the bottleneck. If CPU encoding is the limiting workload, a compatible hardware encoder may shift encoding work to a specialized component in the GPU. Availability and support depend on the operating system and hardware, and image quality can differ. Consult OBS’s hardware encoding guide for its discussion of NVENC, AMD AMF, Intel QSV, and Apple VideoToolbox; do not assume every encoder is available or equivalent on your system.
Lowering resolution or frame rate will not fix a media source configured not to loop, and a network adjustment will not repair local decoding or scene-rendering trouble. Change the branch that matches the symptom.
If dropped frames rise, troubleshoot the connection—not the loop
When OBS’s dropped-frame counter increases, the OBS Project points to an unstable connection to the remote server or a bitrate that the connection cannot sustain. That evidence does not by itself mean the video source stopped looping. Follow OBS’s connection troubleshooting guidance and focus on the path from OBS to the stream server and whether the configured bitrate is sustainable. Avoid treating a source-setting change as a cure for a connection problem.
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If only viewers buffer, separate delivery from OBS playback
If OBS stays responsive and shows no dropped frames while viewers report buffering, first establish whether the problem affects one viewer or multiple viewers. Viewer network and device conditions can vary, and the platform’s delivery or transcoding capabilities can also matter. OBS’s buffering troubleshooting page covers this branch. Viewer buffering alone is not evidence that OBS’s local video loop has frozen.
What to collect if the problem continues
Without details about the computer, OBS setup, and exact symptom, there is no sound basis for naming one root cause. Gather these details before seeking targeted help:
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- Operating system and OBS version.
- Whether the source is Media Source or VLC Video, and whether it is one file or a playlist.
- The media file’s container and video codec, if known.
- When the freeze occurs: during playback, at the file’s end, after a scene change, or at another point.
- Whether the OBS interface and preview remain responsive, and whether OBS reports rendering or encoding overload.
- Whether the dropped-frame counter rises and whether the issue affects viewers, OBS, or both.
- Relevant OBS log and hardware details, including the CPU and GPU.
Meeting OBS’s baseline system requirements does not guarantee that a particular streaming or recording workload will run smoothly. OBS says CPU demands vary with encoder, resolution, frame rate, and scene complexity; see its system requirements.
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