Remove circular reference between `Graph` and `FilterContext`

PyAV-Org / PyAV

Pythonic bindings for FFmpeg's libraries.

https://pyav.basswood-io.com/

BSD 3-Clause "New" or "Revised" License

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Closed moonsikpark closed 3 weeks ago

moonsikpark commented 3 weeks ago

Due to the circular reference between Graph and FilterContext, the memory footprint increases until GC is activated.

Related: #1429