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bin: make the bin set the start_time on elements

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Set the start_time of the bin on the elements when they are added to the
pipeline and when a state change happens.
This commit is contained in:
Wim Taymans 2009-05-27 11:35:58 +02:00 committed by Wim Taymans
parent 83b2c63a30
commit 2f23444d35
1 changed files with 14 additions and 7 deletions
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21
gst/gstbin.c
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@ -989,8 +989,9 @@ gst_bin_add_func (GstBin * bin, GstElement * element)
/* distribute the bus */
gst_element_set_bus (element, bin->child_bus);
/* propagate the current base_time and clock */
/* propagate the current base_time, start_time and clock */
gst_element_set_base_time (element, GST_ELEMENT (bin)->base_time);
gst_element_set_start_time (element, GST_ELEMENT_START_TIME (bin));
/* it's possible that the element did not accept the clock but
* that is not important right now. When the pipeline goes to PLAYING,
* a new clock will be selected */
@ -1969,14 +1970,16 @@ gst_bin_iterate_sorted (GstBin * bin)
static GstStateChangeReturn
gst_bin_element_set_state (GstBin * bin, GstElement * element,
GstClockTime base_time, GstState current, GstState next)
GstClockTime base_time, GstClockTime start_time, GstState current,
GstState next)
{
GstStateChangeReturn ret;
gboolean locked;
GList *found;
/* set base_time on child */
/* set base_time and start time on child */
gst_element_set_base_time (element, base_time);
gst_element_set_start_time (element, start_time);
GST_STATE_LOCK (element);
@ -2233,7 +2236,7 @@ gst_bin_change_state_func (GstElement * element, GstStateChange transition)
GstState current, next;
gboolean have_async;
gboolean have_no_preroll;
GstClockTime base_time;
GstClockTime base_time, start_time;
GstIterator *it;
gboolean done;
@ -2307,6 +2310,7 @@ gst_bin_change_state_func (GstElement * element, GstStateChange transition)
restart:
/* take base_time */
base_time = gst_element_get_base_time (element);
start_time = gst_element_get_start_time (element);
have_no_preroll = FALSE;
@ -2322,7 +2326,9 @@ restart:
child = GST_ELEMENT_CAST (data);
/* set state and base_time now */
ret = gst_bin_element_set_state (bin, child, base_time, current, next);
ret =
gst_bin_element_set_state (bin, child, base_time, start_time,
current, next);
switch (ret) {
case GST_STATE_CHANGE_SUCCESS:
@ -2387,12 +2393,13 @@ done:
GST_OBJECT_LOCK (bin);
bin->polling = FALSE;
/* it's possible that we did not get ASYNC form the children while the bin is
/* it's possible that we did not get ASYNC from the children while the bin is
* simulating ASYNC behaviour by posting an ASYNC_DONE message on the bus with
* itself as the source. In that case we still want to check if the state
* change completed. */
if (ret != GST_STATE_CHANGE_ASYNC && !bin->priv->pending_async_done) {
/* no element returned ASYNC, we can just complete. */
/* no element returned ASYNC and there are no pending async_done messages,
* we can just complete. */
GST_DEBUG_OBJECT (bin, "no async elements");
goto state_end;
}