Whether the bitrates should be interpolated linearly or logarithmically. A logarithmic interpolation better reflects human perception as it considers switches across lower qualities to be more visible than switches among higher qualities.
Default value is 'log'.
This is the δ (delta) parameter of WISH. It indicates the capability to deliver a certain bitrate (δ > 0). i.e. how much the throughput should be, compared to the selected bitrate.
Default value is 1. A value larger than 1 will make the logic more conservative.
The ξ (xi) parameter of WISH indicates the proportion of filled buffer (0 < ξ <= 1). i.e. the amount of buffer the player will try to maintain.
Default value is 0.8. A value of 1 means that the buffer needs to be full in order to consider switching to a higher quality.
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Configuration options for WISH ABR logic. You can enable the logic by setting logic to WISH.