I don’t know if there’s actually a technical thing occurring or maybe just a psychological effect where you feel like rewinding made an impact.
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You’re giving it more time to buffer. The stream will try to always have a few seconds of video/audio ahead of what you’re seeing loaded so that occasional blips in transfer don’t cause the entire stream to stutter. If too many blips in transfer happen, you might run through that buffer, which will interrupt your stream. When you “rewind” the stream a bit, you’re giving it a few more seconds to rebuild that buffer.
You’re giving it more time to buffer. The stream will try to always have a few seconds of video/audio ahead of what you’re seeing loaded so that occasional blips in transfer don’t cause the entire stream to stutter. If too many blips in transfer happen, you might run through that buffer, which will interrupt your stream. When you “rewind” the stream a bit, you’re giving it a few more seconds to rebuild that buffer.
You don’t load the entire video as one big piece, but the video is split up in smaller pieces and you only load and play a small chunk.
The small chunk doesn’t only contain the video data, but also tells you the location of the next chunk to load.
If, for some reason, you can’t load that chunk the video stops.
If that chunk doesn’t load, you are stuck in a situation in which you don’t have video data, but also no information about what the chunk is that you should play after the chunk you don’t have.
By fast forwarding, you load another chunk that might load correctly.
By rewinding, you eventuelly try to load the same chunk again, which might be successfull this time as most issues are only temporary.
You don’t load the entire video as one big piece, but the video is split up in smaller pieces and you only load and play a small chunk.
The small chunk doesn’t only contain the video data, but also tells you the location of the next chunk to load.
If, for some reason, you can’t load that chunk the video stops.
If that chunk doesn’t load, you are stuck in a situation in which you don’t have video data, but also no information about what the chunk is that you should play after the chunk you don’t have.
By fast forwarding, you load another chunk that might load correctly.
By rewinding, you eventuelly try to load the same chunk again, which might be successfull this time as most issues are only temporary.
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