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YouTube saying "Please use a keyframe frequency of four seconds or less while streaming with Ant Media Server

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While streaming with Ant Media server to stream to YouTube, here is an a message I get:

“Please use a keyframe frequency of four seconds or less. Currently, keyframes are not being sent often enough, which can cause buffering. The current keyframe frequency is 6.8 seconds. Note that ingestion errors can cause incorrect GOP (group of pictures) sizes.”

How can I fix this issue?

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  1. This answer was edited.

    YouTube recommends certain encoding settings for videos. So these errors can go away if you re-encode again your video with the necessary parameters.

    You can achieve this by using FFMPEG to manipulate the keyframe interval. For example, the following command will re-encode the file with a key frame interval of 2.

    ffmpeg -i input.mp4 -qscale 0 -g 2 outputFile.mp4

    Alternatively, if you don’t want to use FFMPEG, you can use the Handbrake software to reencode your videos. For this guide to achieve this.

     

     

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