# Verify if a file is readable through HLS on wowza Engine?

**URL:** <https://community.wowza.com/t/verify-if-a-file-is-readable-through-hls-on-wowza-engine/49022>\
**Category:** Wowza Streaming Engine\
**Tags:** transcoder\
**Created:** [June 20, 2017, 1:51pm UTC](https://community.wowza.com/t/verify-if-a-file-is-readable-through-hls-on-wowza-engine/49022 "2017-06-20T13:51:17Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Thomas\_Andre1](https://avatars.discourse-cdn.com/v4/letter/t/65b543/32.png) [@Thomas\_Andre1](https://community.wowza.com/u/Thomas_Andre1)\
**Post date:** [June 20, 2017, 1:51pm UTC](https://community.wowza.com/t/verify-if-a-file-is-readable-through-hls-on-wowza-engine/49022/1 "2017-06-20T13:51:17Z")

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Hi,

I make a streaming platform where content-owners can push their videos, and I only use HLS protocol in Wowza Engine to stream through the clients.

When they push their videos, I’m verifying if the video is correct or if I need to transcode it.

According to the documentation, video file formats for HLS need to be H.264.

I’m verifying the media information with ffprobe. So I can get the information of the expected file format (H.264), I want to be sure that I don’t need to verify other things about the file to ensure that the video don’t need to be transcoded? (ex: file extensions, audio codecs, ect …).

Thanks for your answers.

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**Author:** ![Andy\_Wong](https://avatars.discourse-cdn.com/v4/letter/a/9dc877/32.png) [@Andy\_Wong](https://community.wowza.com/u/Andy_Wong)\
**Post date:** [April 28, 2018, 7:21pm UTC](https://community.wowza.com/t/verify-if-a-file-is-readable-through-hls-on-wowza-engine/49022/2 "2018-04-28T19:21:59Z")

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Found [https://www.wowza.com/docs/how-to-view-on-demand-file-details](https://www.wowza.com/docs/how-to-view-on-demand-file-details)

about the use of GSpot, but seems GSpot tool hasn’t been updated since Feb 2007

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**Author:** ![coy\_martin](https://avatars.discourse-cdn.com/v4/letter/c/e56c9b/32.png) [@coy\_martin](https://community.wowza.com/u/coy_martin)\
**Post date:** [November 5, 2018, 11:38am UTC](https://community.wowza.com/t/verify-if-a-file-is-readable-through-hls-on-wowza-engine/49022/3 "2018-11-05T11:38:47Z")

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Utilizing the HTML5 video label component for Wowza Streaming Engine gushing URLs can be somewhat restricted relying upon the program and OS stage you are utilizing.

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