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clock: add gst_clock_id_wait_async_full.

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Add gst_clock_id_wait_async_full. It's the same as gst_clock_id_wait_async but
allows passing a GDestroyNotify to destroy user_data.
This commit is contained in:
Alessandro Decina 2010-07-05 12:56:40 +02:00 committed by Alessandro Decina
parent 8df1fdab57
commit dda8663811
2 changed files with 43 additions and 3 deletions
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41
gst/gstclock.c
View file

@ -202,6 +202,7 @@ gst_clock_entry_new (GstClock * clock, GstClockTime time,
entry->status = GST_CLOCK_OK;
entry->func = NULL;
entry->user_data = NULL;
entry->destroy_data = NULL;
return (GstClockID) entry;
}
@ -229,9 +230,13 @@ gst_clock_id_ref (GstClockID id)
static void
_gst_clock_id_free (GstClockID id)
{
GstClockEntry *entry;
g_return_if_fail (id != NULL);
GST_CAT_DEBUG (GST_CAT_CLOCK, "freed entry %p", id);
entry = (GstClockEntry *) id;
if (entry->destroy_data)
entry->destroy_data (entry->user_data);
#ifndef GST_DISABLE_TRACE
gst_alloc_trace_free (_gst_clock_entry_trace, id);
@ -457,10 +462,11 @@ not_supported:
}
/**
* gst_clock_id_wait_async:
* gst_clock_id_wait_async_full:
* @id: a #GstClockID to wait on
* @func: The callback function
* @user_data: User data passed in the callback
* @destroy_data: #GDestroyNotify for user_data
*
* Register a callback on the given #GstClockID @id with the given
* function and user_data. When passing a #GstClockID with an invalid
@ -474,10 +480,12 @@ not_supported:
* Returns: the result of the non blocking wait.
*
* MT safe.
*
* Since: 0.10.30
*/
GstClockReturn
gst_clock_id_wait_async (GstClockID id,
GstClockCallback func, gpointer user_data)
gst_clock_id_wait_async_full (GstClockID id,
GstClockCallback func, gpointer user_data, GDestroyNotify destroy_data)
{
GstClockEntry *entry;
GstClock *clock;
@ -503,6 +511,7 @@ gst_clock_id_wait_async (GstClockID id,
entry->func = func;
entry->user_data = user_data;
entry->destroy_data = destroy_data;
res = cclass->wait_async (clock, entry);
@ -523,6 +532,32 @@ not_supported:
}
}
/**
* gst_clock_id_wait_async:
* @id: a #GstClockID to wait on
* @func: The callback function
* @user_data: User data passed in the callback
*
* Register a callback on the given #GstClockID @id with the given
* function and user_data. When passing a #GstClockID with an invalid
* time to this function, the callback will be called immediately
* with a time set to GST_CLOCK_TIME_NONE. The callback will
* be called when the time of @id has been reached.
*
* The callback @func can be invoked from any thread, either provided by the
* core or from a streaming thread. The application should be prepared for this.
*
* Returns: the result of the non blocking wait.
*
* MT safe.
*/
GstClockReturn
gst_clock_id_wait_async (GstClockID id,
GstClockCallback func, gpointer user_data)
{
return gst_clock_id_wait_async_full (id, func, user_data, NULL);
}
/**
* gst_clock_id_unschedule:
* @id: The id to unschedule

5
gst/gstclock.h
View file

@ -346,6 +346,7 @@ struct _GstClockEntry {
GstClockReturn status;
GstClockCallback func;
gpointer user_data;
GDestroyNotify destroy_data;
};
/**
@ -544,6 +545,10 @@ GstClockReturn gst_clock_id_wait (GstClockID id,
GstClockReturn gst_clock_id_wait_async (GstClockID id,
GstClockCallback func,
gpointer user_data);
GstClockReturn gst_clock_id_wait_async_full (GstClockID id,
GstClockCallback func,
gpointer user_data,
GDestroyNotify destroy_data);
void gst_clock_id_unschedule (GstClockID id);