# \#brightscript

**URL:** https://community.bitmovin.com/tag/brightscript/121.md

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## [Roku Closed Captions Default Location](https://community.bitmovin.com/t/roku-closed-captions-default-location/1032)

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**Author:** [@anon83674200](https://community.bitmovin.com/u/anon83674200)\
**Replies:** 3\
**Last updated:** [November 7, 2022, 7:42pm UTC](https://community.bitmovin.com/t/roku-closed-captions-default-location/1032 "2022-11-07T19:42:34Z")

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How do I change the default closed captions location on Roku from the top center to be the bottom center so there’s parity with other platforms?

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## [Why does the video not start when I try to show VAST ads with the Roku SDK?](https://community.bitmovin.com/t/why-does-the-video-not-start-when-i-try-to-show-vast-ads-with-the-roku-sdk/948)

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**Author:** [@matheus.cardoso](https://community.bitmovin.com/u/matheus.cardoso)\
**Replies:** 1\
**Last updated:** [July 1, 2022, 10:43am UTC](https://community.bitmovin.com/t/why-does-the-video-not-start-when-i-try-to-show-vast-ads-with-the-roku-sdk/948 "2022-07-01T10:43:14Z")

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I’m having issues with ads when applying the following configuration: playerConfig = { playback: { autoplay: true, muted: false }, adaptation: { preload: true }, key: m.global.configdetails.bitmovinSDK.key …