Warner Bros. Discovery Inread ads are 16:9 video clips, up to 4 MB per file, up to 30 seconds long, delivered as MP4. They run in the Eurosport / TNT Sports — Desktop / Tablet / Mobile In-Article Video placement on Warner Bros. Discovery. Encode with H.264 video at 25 fps for clean playback across devices.
| Aspect ratios | 16:9 |
|---|---|
| Orientation | any |
| Max file size | 4 MB |
| File types | MP4 |
| Max duration | 30 sec |
|---|---|
| Video codec | H.264 |
| Frame rate | 25 fps |
16:9 video; no pixel dimensions published. MP4 (H.264), VAST 2 / VAST 3 / VPAID accepted; up to 4 MB and 30 sec at 25 fps. Sound off; third-party tags accepted. The official page labels its bitrate range "700 - 1500 KBps"; retained verbatim here rather than assuming a conversion to kbps.
Official source: https://www.wbdadspecs.com/ad-spec/inread/