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examples: play: Set message bus to flushing before dropping the Play reference

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Otherwise there might be pending messages on the bus that keep a
reference to the `Play` instance alive, and neither the bus nor the
`Play` are ever going to be freed then.

See also https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/issues/489
and https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/3107.

Fixes https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/issues/493

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/1346>
This commit is contained in:
Sebastian Dröge 2023-11-14 09:35:38 +02:00
parent 3ac254d34c
commit c4413f1db7
1 changed files with 5 additions and 0 deletions
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5
examples/src/bin/play.rs
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@ -37,6 +37,11 @@ fn main_loop(uri: &str) -> Result<(), Error> {
Err(_) => unreachable!(),
}
}
// Set the message bus to flushing to ensure that all pending messages are dropped and there
// are no further references to the play instance.
play.message_bus().set_flushing(true);
result.map_err(|e| e.into())
}