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added a "iterate_started" signal which fires before the iterate of a bin. useful for non-threadsafe operations like s...
Original commit message from CVS: added a "iterate_started" signal which fires before the iterate of a bin. useful for non-threadsafe operations like seek in threaded pipelines
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075ca64022
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2 changed files with 8 additions and 0 deletions
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@ -59,6 +59,7 @@ static void gst_bin_restore_thyself (GstObject * object, xmlNodePtr self);
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enum
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{
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OBJECT_ADDED,
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ITERATE_STARTED,
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LAST_SIGNAL
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};
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@ -113,6 +114,10 @@ gst_bin_class_init (GstBinClass * klass)
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g_signal_new ("object_added", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_FIRST,
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G_STRUCT_OFFSET (GstBinClass, object_added), NULL, NULL,
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gst_marshal_VOID__POINTER, G_TYPE_NONE, 1, G_TYPE_POINTER);
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gst_bin_signals[ITERATE_STARTED] =
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g_signal_new ("iterate_started", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_FIRST,
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G_STRUCT_OFFSET (GstBinClass, iterate_started), NULL, NULL,
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gst_marshal_VOID__VOID, G_TYPE_NONE, 0);
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gobject_class->dispose = GST_DEBUG_FUNCPTR (gst_bin_dispose);
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@ -845,6 +850,8 @@ gst_bin_iterate (GstBin * bin)
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oclass = GST_BIN_CLASS (G_OBJECT_GET_CLASS (bin));
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g_signal_emit (G_OBJECT (bin), gst_bin_signals[ITERATE_STARTED], 0);
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if (oclass->iterate)
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running = (oclass->iterate) (bin);
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@ -88,6 +88,7 @@ struct _GstBinClass {
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/* signals */
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void (*object_added) (GstObject *object, GstObject *child);
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void (*object_removed) (GstObject *object, GstObject *child);
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void (*iterate_started) (GstObject *object);
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/* change the state of elements of the given type */
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gboolean (*change_state_type) (GstBin *bin,
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