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8e38d861b4
When initializing Pad functions in `Pad{Src,Sink}`, we downgrade the `Pad{Src,Sink}` and upgrade it when necessary. This was implemented to avoid reference cycles: `gst::Pad` -> pad function -> `Pad{Src,Sink}` -> `gst::Pad`. Since `Pad{Src,Sink}` reset the pad functions when dropping, there is no cycles, so we can use an `Arc<Pad{Src,Sink}>` in the pad functions, thus saving an `upgrade`. |
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Cargo.toml |