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Understand the latency time of Video Streaming
This guide explains the possible origins of any latency you might notice between the source of a video and its live broadcast via the Streaming vidéo service.
Availability in the case of...
... rendered on the Manager
Once your encoder is connected to Infomaniak's master servers, the stream may undergo several transformations, particularly in the case of transcoding or adding a logo as a watermark. In these scenarios, the video must be re-encoded in one or more formats, which requires processing time that inevitably affects the final output.
... single bitrate stream without processing
In this case, the stream is available after only a few seconds.
... transcoded stream or with watermark
This processing takes approximately 25 seconds for the transformed stream to be visible in the various qualities.
... delay between the source and the output to viewers
To avoid micro-cutoffs during broadcasting, the player (video player) buffers several seconds of the video. You can easily notice a 30 to 60 second delay between the original source and the stream delivered to viewers.
To minimize this delay, the only way is to have a single-bitrate stream, without transcoding, without watermark, with a bitrate not too high, and to reduce the buffer as much as possible in the player configuration. Depending on your needs, it is therefore necessary to make a compromise between the immediacy of the broadcast and the features you want to use to improve the experience of your viewers and customize the branding of your live streams.