update doc on service-change and producer-changed events

diff --git a/src/framework/mlt_producer.h b/src/framework/mlt_producer.h
index 9a0400e0a7d494c34e404a286a43a8c6d2b95ff7..3ba4cacf6860f3fbaa28e809d13c8f85e6de8c76 100644 (file)
--- a/src/framework/mlt_producer.h
+++ b/src/framework/mlt_producer.h
@@ -36,7 +36,7 @@
  * service network - that could be through synthesis or reading a stream.
  *
  * \extends mlt_service
- * \event \em producer-changed
+ * \event \em producer-changed either service-changed was fired or the timing of the producer changed
  * \properties \em mlt_type the name of the service subclass, e.g. mlt_producer
  * \properties \em mlt_service the name of a producer subclass
  * \properties \em _position the current position of the play head, relative to the in point

diff --git a/src/framework/mlt_service.h b/src/framework/mlt_service.h
index 0ba168608be699799cc58d7852571cb6270f96cc..6a29d59abbc18815f8c0d278ad1ce7cc21d6b27e 100644 (file)
--- a/src/framework/mlt_service.h
+++ b/src/framework/mlt_service.h
@@ -39,7 +39,7 @@
  * connections a "service network," which is similar to what DirectShow calls
  * a filter graph or what gstreamer calls an element pipeline.
  *
- * \event \em service-changed
+ * \event \em service-changed a filter was attached or detached or a transition was connected or disconnected
  * \event \em property-changed
  * \properties \em mlt_type identifies the subclass
  * \properties \em _mlt_service_hidden a flag that indicates whether to hide the mlt_service