Sebastian Dröge ab562cc8d8 Update GStreamer to 0.18 and clean up (#964) ... * Update GStreamer backend to 0.18 * Don't manually go through all intermediate states when shutting down the GStreamer backend; that happens automatically * Don't initialize GStreamer twice * Use less stringly-typed API for configuring the appsrc * Create our own main context instead of stealing the default one; if the application somewhere else uses the default main context this would otherwise fail in interesting ways * Create GStreamer pipeline more explicitly instead of going via strings for everything * Add an audioresample element before the sink in case the sink doesn't support the sample rate * Remove unnecessary `as_bytes()` call * Use a GStreamer bus sync handler instead of spawning a new thread with a mainloop; it's only used for printing errors or when the end of the stream is reached, which can also be done as well when synchronously handling messages. * Change `expect()` calls to proper error returns wherever possible in GStreamer backend * Store asynchronously reported error in GStreamer backend and return them on next write * Update MSRV to 1.56		2022-02-13 21:52:02 +01:00
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src	Update GStreamer to 0.18 and clean up (#964)	2022-02-13 21:52:02 +01:00
Cargo.toml	Update GStreamer to 0.18 and clean up (#964)	2022-02-13 21:52:02 +01:00