Warner Bros. Discovery YouTube Pre-Roll / Mid-Roll Non-Skippable ads are 16:9 video clips, measured at 1920×1080 px, up to 250 MB per file, up to 15 seconds long, delivered as MP4. They run in the WBD YouTube Channels — In-Stream Video placement on Warner Bros. Discovery. Encode with H.264 video at 30 fps for clean playback across devices.
| Dimensions | 1920 × 1080 px |
|---|---|
| Aspect ratios | 16:9 |
| Orientation | any |
| Max file size | 250 MB |
| File types | MP4 |
| Max duration | 15 sec |
|---|---|
| Video codec | H.264 |
| Frame rate | 30 fps |
MP4 up to 250 MB (source publishes 16:9 only; 1920x1080 is the standard full-HD frame at that ratio). Max duration 15 sec (20 sec in EMEA, India, Malaysia, Mexico and Singapore). Frame rate up to 30 fps. 3rd-party redirect tags: VAST 2 / 3 (no VPAID), max 10 MB. See Google's video ad specs: https://support.google.com/google-ads/answer/6244563?hl=en&ref_topic=6244532
Official source: https://www.wbdadspecs.com/ad-spec/youtube-pre-roll-mid-roll-no-skippable/