Video "Stream" Playback Downloads Rather Than Chunk-loading to Small Buffer

[Enverex]

Describe the bug?

When playing back a static video file from a server with the "Stream" option ticked, Neos will immediately start playing the file as expected (as "Stream" is ticked) but it won't just fill a buffer, it appears to download the entire target media file as fast as it can (it doesn't show in Gather Jobs though).

Relevant issues

None found.

To Reproduce

This is easier to do on a slower connection obviously (or with a huge file) as otherwise the file may download before you realise.

Create a video player. Enable the Stream option. Enter the URL to a static media file on a server somewhere. Click play.

Watch as your network usage remains maxed out until it seems as though given the time and bandwidth used, the whole file will have been downloaded.

Expected behavior

For videos to be chunk loaded as needed and only keep a small (sane) buffer (either time or size based).

Log Files

No response

Screenshots

This streams, but also seems to download the whole file in the process. This is using Unity Native.

Another example but using VLC. The video itself is less than 3Mb/s bitrate, but as you can see it's maxing out my connection and seemed to continue to do that until the entire file had been downloaded.

How often does it happen?

Always

Does the bug persist after restarting Neos?

Yes

Neos Version Number

2021.8.14.443

What Platforms does this occur on?

Windows

Link to Reproduction Item/World

No response

Did this work before?

No

If it worked before, on which build?

No response

Additional context

This has an additional negative effect that if you stop streaming the file for whatever reason, then resume again, it seems to go through the entire download process again (it doesn't cache it, or it disposes of it if it is caching it temporarily). It should only need to chunk load to keep a buffer filled.

Reporters

Enverex#6528

[Enverex]

Updated this as it does actually seem to affect both the Unity Native player and VLC, not just the former.