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GStreamer / gstreamer
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Daniel Drake
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GstDeviceProvider has a started_count private variable counter, and the gst_device_provider_start() documentation emphasizes the importance of balancing the start and stop calls. However, when starting a provider that is already started, the current code will never increment the counter more than once. So you start it twice, but it will have start_count 1, which is the maximum value it will ever see. Then when you stop it twice, on the 2nd stop, after decrementing the counter in gst_device_provider_stop(): else if (provider->priv->started_count < 1) { g_critical ("Trying to stop a GstDeviceProvider %s which is already stopped", GST_OBJECT_NAME (provider)); and the program is killed. Fix this by incrementing the counter when starting a device provider that was already started.
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