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gst/gstbin.c: Move ASYNC_START message posting to where it belongs, similar to async_done.

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Original commit message from CVS:
* gst/gstbin.c: (gst_bin_add_func), (gst_bin_element_set_state),
(bin_handle_async_start), (gst_bin_handle_message_func):
Move ASYNC_START message posting to where it belongs, similar to
async_done.
Don't post ASYNC_START when we are in error.
Post ASYNC_START when we added an async element to a bin.
This commit is contained in:
Wim Taymans 2007-08-14 14:10:36 +00:00
parent e3b911f7a9
commit ef5d931f67
2 changed files with 38 additions and 27 deletions
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9
ChangeLog
View file

@ -1,3 +1,12 @@
2007-08-14 Wim Taymans <wim.taymans@gmail.com>
* gst/gstbin.c: (gst_bin_add_func), (gst_bin_element_set_state),
(bin_handle_async_start), (gst_bin_handle_message_func):
Move ASYNC_START message posting to where it belongs, similar to
async_done.
Don't post ASYNC_START when we are in error.
Post ASYNC_START when we added an async element to a bin.
2007-08-14 Julien MOUTTE <julien@moutte.net>
* gst/gstindex.c: (gst_index_add_association): Fix index entry

56
gst/gstbin.c
View file

@ -219,7 +219,7 @@ static GstStateChangeReturn gst_bin_change_state_func (GstElement * element,
static GstStateChangeReturn gst_bin_get_state_func (GstElement * element,
GstState * state, GstState * pending, GstClockTime timeout);
static void bin_handle_async_done (GstBin * bin, GstStateChangeReturn ret);
static void bin_handle_async_start (GstBin * bin);
static void bin_handle_async_start (GstBin * bin, gboolean new_base_time);
static void bin_push_state_continue (BinContinueData * data);
static gboolean gst_bin_add_func (GstBin * bin, GstElement * element);
@ -925,7 +925,7 @@ gst_bin_add_func (GstBin * bin, GstElement * element)
switch (ret) {
case GST_STATE_CHANGE_ASYNC:
bin_handle_async_start (bin);
bin_handle_async_start (bin, FALSE);
break;
case GST_STATE_CHANGE_NO_PREROLL:
bin_handle_async_done (bin, ret);
@ -1895,7 +1895,7 @@ locked:
}
was_busy:
{
GST_DEBUG_OBJECT (element, "element is was busy delaying state change");
GST_DEBUG_OBJECT (element, "element was busy, delaying state change");
GST_OBJECT_UNLOCK (bin);
return GST_STATE_CHANGE_ASYNC;
}
@ -2317,13 +2317,25 @@ bin_push_state_continue (BinContinueData * data)
* change, we perform a lost state.
*/
static void
bin_handle_async_start (GstBin * bin)
bin_handle_async_start (GstBin * bin, gboolean new_base_time)
{
GstState old_state, new_state;
gboolean toplevel;
GstMessage *amessage = NULL;
if (GST_STATE_RETURN (bin) == GST_STATE_CHANGE_FAILURE)
goto had_error;
/* get our toplevel state */
toplevel = BIN_IS_TOPLEVEL (bin);
/* prepare an ASYNC_START message, we always post the start message even if we
* are busy with a state change or when we are NO_PREROLL. */
if (!toplevel)
/* non toplevel bin, prepare async-start for the parent */
amessage =
gst_message_new_async_start (GST_OBJECT_CAST (bin), new_base_time);
if (bin->polling || GST_STATE_PENDING (bin) != GST_STATE_VOID_PENDING)
goto was_busy;
@ -2355,6 +2367,12 @@ bin_handle_async_start (GstBin * bin)
gst_message_new_state_changed (GST_OBJECT_CAST (bin),
new_state, new_state, new_state));
post_start:
if (amessage) {
/* post our ASYNC_START. */
GST_DEBUG_OBJECT (bin, "posting ASYNC_START to parent");
gst_element_post_message (GST_ELEMENT_CAST (bin), amessage);
}
GST_OBJECT_LOCK (bin);
return;
@ -2367,12 +2385,14 @@ had_error:
was_busy:
{
GST_CAT_DEBUG_OBJECT (GST_CAT_STATES, bin, "state change busy");
return;
GST_OBJECT_UNLOCK (bin);
goto post_start;
}
was_no_preroll:
{
GST_CAT_DEBUG_OBJECT (GST_CAT_STATES, bin, "ignoring, we are NO_PREROLL");
return;
GST_OBJECT_UNLOCK (bin);
goto post_start;
}
}
@ -2699,7 +2719,7 @@ gst_bin_handle_message_func (GstBin * bin, GstMessage * message)
}
case GST_MESSAGE_ASYNC_START:
{
gboolean toplevel, new_base_time;
gboolean new_base_time;
GstState target;
GST_DEBUG_OBJECT (bin, "ASYNC_START message %p, %s", message,
@ -2716,27 +2736,9 @@ gst_bin_handle_message_func (GstBin * bin, GstMessage * message)
/* takes ownership of the message */
bin_replace_message (bin, message, GST_MESSAGE_ASYNC_START);
bin_handle_async_start (bin);
/* get our toplevel state */
toplevel = BIN_IS_TOPLEVEL (bin);
/* prepare an ASYNC_START message */
if (!toplevel) {
/* non toplevel bin, prepare async-start for the parent */
message =
gst_message_new_async_start (GST_OBJECT_CAST (bin), new_base_time);
} else {
/* toplevel bin, we don't post async start */
message = NULL;
}
bin_handle_async_start (bin, new_base_time);
GST_OBJECT_UNLOCK (bin);
if (!toplevel)
/* not toplevel, forward async-start to parent */
goto forward;
else
break;
break;
ignore_start_message:
{