diff options
Diffstat (limited to 'gst/gstelement.c')
| -rw-r--r-- | gst/gstelement.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/gst/gstelement.c b/gst/gstelement.c index c326992899..982b56dfec 100644 --- a/gst/gstelement.c +++ b/gst/gstelement.c @@ -73,7 +73,7 @@ * toplevel #GstPipeline so the clock functions are only to be used in very * specific situations. * - * Last reviewed on 2009-05-21 (0.10.24) + * Last reviewed on 2009-05-29 (0.10.24) */ #include "gst_private.h" @@ -535,7 +535,16 @@ gst_element_get_base_time (GstElement * element) * @element: a #GstElement. * @time: the base time to set. * - * Set the start time of an element. See gst_element_get_start_time(). + * Set the start time of an element. The start time of the element is the + * running time of the element when it last went to the PAUSED state. In READY + * or after a flushing seek, it is set to 0. + * + * Toplevel elements like #GstPipeline will manage the start_time and + * base_time on its children. Setting the start_time to #GST_CLOCK_TIME_NONE + * on such a toplevel element will disable the distribution of the base_time to + * the children and can be useful if the application manages the base_time + * itself, for example if you want to synchronize capture from multiple + * pipelines, and you can also ensure that the pipelines have the same clock. * * MT safe. * @@ -563,8 +572,10 @@ gst_element_set_start_time (GstElement * element, GstClockTime time) * @element: a #GstElement. * * Returns the start time of the element. The start time is the - * running time of the clock when this element was last put to - * PAUSED. + * running time of the clock when this element was last put to PAUSED. + * + * Usually the start_time is managed by a toplevel element such as + * #GstPipeline. * * MT safe. * |