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One free scan finds every outdated or missing driver and matches the right update for your exact hardware.Free scan · exact hardware matchFor a local multi-video playlist in OBS, use the VLC Video source, confirm VLC is installed and matches OBS’s bitness, check the playlist and scene visibility settings, then test a file boundary in a short stream. OBS documents VLC Video as its playlist-capable source, but does not guarantee gap-free transitions for every file or setup—so there is no single checkbox that can be promised to fix every black screen.
Choose the right OBS source for multiple videos
In the scene you actually send to YouTube, identify the source playing the videos. OBS’s Media Sources documentation describes VLC Video as a source that can play a list of items as a playlist. It requires VLC to be installed before the source type appears in OBS; OBS’s documentation specifies that 64-bit OBS requires 64-bit VLC.
The built-in Media Source is documented around a selected media file and its playback properties. It is appropriate when you intend to play one file, but OBS does not present it as the multi-item playlist option. The documentation lists video file types including MP4, TS, MOV, FLV, MKV, AVI, GIF and WebM, and audio types including MP3, AAC, OGG and WAV. That list does not guarantee every codec or damaged file will decode correctly, so test the actual files in your setup.
| Source | Playlist handling | Dependency and trade-off | Best fit |
|---|---|---|---|
| Media Source | Documentation covers a selected file and its end-of-playback behavior; it does not identify this as the multi-item playlist option. | Built into OBS. Includes “Show nothing when playback ends.” | Playing one file, or a separately designed scene/source arrangement. |
| VLC Video | Plays a list of media items as a playlist. | Requires VLC installed; 64-bit OBS requires 64-bit VLC. Includes loop, shuffle, visibility and caching controls. | A local multi-file playlist. |
Check playlist order and continuation settings
Open the VLC Video source’s properties and verify that every intended file is present and in the right order. Turn Shuffle Playlist off for a fixed sequence. Loop Playlist controls whether playback starts again after the final item; it governs repetition, not frame-perfect transitions.
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VLC Video also has visibility behavior for when the source is not visible, with documented choices that include continuing, pausing or stopping playback, and a network-caching setting. OBS documents a 400 ms default for network caching. For local files, first make sure the source remains active and visible. The documentation does not say that increasing network caching fixes a gap between local files.
Inspect end-of-file behavior and scene layers
Understand the Media Source end setting
For Media Source, OBS documents Show nothing when playback ends: when enabled, the source hides after that file finishes rather than holding its final frame. If it is the only video layer, hiding it may leave a blank scene; if another layer is behind it, that layer may show instead. This is documented Media Source behavior, not an established fix for transitions within a VLC playlist. Check what happens in your own scene before changing it.
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Check which sources cover the playlist
In OBS’s Sources dock, higher entries render above lower entries and may obscure them. If the image disappears at a boundary, inspect whether a color, image, browser or other visible source sits above the playlist source. The OBS Sources Guide explains source stacking; it cannot identify which source, if any, is covering your playlist.
Reduce avoidable load and test the stream path
- Check whether the problem is playback or system load. If video stutters or fails as well as going black, simplify a complex scene and limit resource-heavy sources. OBS’s Encoding Performance Troubleshooting guidance recommends limiting costly sources and using appropriately sized media where the output does not need higher resolution. Treat these as diagnostic steps, not a guaranteed cure for a particular black frame.
- Test an actual file boundary. Run a short test stream and watch at least one transition in the output. OBS’s Quick Start Guide encourages a test of a few minutes before streaming. Compare the OBS preview or output with the YouTube viewer: that can help distinguish a blank in the source/scene from a viewer-side quality change.
- Note where the symptom occurs. Record whether OBS itself shows black, whether only the YouTube viewer does, and whether it happens at every boundary or only with particular files. This narrows the investigation to source visibility, a specific media file, or the viewer’s rendition without assuming a cause.
Keep YouTube transcoding separate from a source gap
OBS says YouTube transcodes streams, including the source feed. Its Transcodes / Transcoding article discusses consistent keyframe intervals to help smooth changes between viewer quality options. That guidance concerns rendition changes; it does not identify keyframe intervals as a fix for a local VLC playlist transition.
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