GStreamer Daemon - Receiving Signals
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Some GStreamer elements emit signals to notify events to the applications. GStreamer Daemon offers the capability to connect to a signal and wait for the signal event to happen. You must be aware that the GStreamer Daemon signal support is just a mean of nofication, you cannot provide any response to the signal and some argument types may not have any sense on the client context.
This wiki describes the basics on how to interact with GStreamer element signals. Specifically, how to wait for a signal. You'll find that the family of commands used to interact with signals are prefixed with signal_<action>.
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