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baseparse: Store incoming cached events in reverse order

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Reverse the list just before sending. Prepending is more efficient
than appending, so this saves some cycles.
This commit is contained in:
Jan Schmidt 2012-09-03 10:30:08 -07:00
parent 3226160b31
commit dbf4c13489
1 changed files with 12 additions and 10 deletions
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22
libs/gst/base/gstbaseparse.c
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@ -890,7 +890,7 @@ gst_base_parse_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
gst_base_parse_handle_tag (parse, event);
parse->priv->pending_events =
g_list_append (parse->priv->pending_events, event);
g_list_prepend (parse->priv->pending_events, event);
ret = TRUE;
} else {
if (GST_EVENT_TYPE (event) == GST_EVENT_EOS &&
@ -1049,7 +1049,7 @@ gst_base_parse_sink_eventfunc (GstBaseParse * parse, GstEvent * event)
* the caps are fixed and the next linked element can receive
* the segment. */
parse->priv->pending_events =
g_list_append (parse->priv->pending_events, event);
g_list_prepend (parse->priv->pending_events, event);
parse->priv->pending_segment = TRUE;
ret = TRUE;
@ -1988,13 +1988,14 @@ gst_base_parse_push_frame (GstBaseParse * parse, GstBaseParseFrame * frame)
/* Push pending events, including NEWSEGMENT events */
if (G_UNLIKELY (parse->priv->pending_events)) {
GList *r = g_list_reverse (parse->priv->pending_events);
GList *l;
for (l = parse->priv->pending_events; l != NULL; l = l->next) {
parse->priv->pending_events = NULL;
for (l = r; l != NULL; l = l->next) {
gst_pad_push_event (parse->srcpad, GST_EVENT (l->data));
}
g_list_free (parse->priv->pending_events);
parse->priv->pending_events = NULL;
g_list_free (r);
parse->priv->pending_segment = FALSE;
}
@ -2985,13 +2986,14 @@ pause:
if (push_eos) {
/* Push pending events, including NEWSEGMENT events */
if (G_UNLIKELY (parse->priv->pending_events)) {
GList *r = g_list_reverse (parse->priv->pending_events);
GList *l;
for (l = parse->priv->pending_events; l != NULL; l = l->next) {
parse->priv->pending_events = NULL;
for (l = r; l != NULL; l = l->next) {
gst_pad_push_event (parse->srcpad, GST_EVENT (l->data));
}
g_list_free (parse->priv->pending_events);
parse->priv->pending_events = NULL;
g_list_free (r);
parse->priv->pending_segment = FALSE;
}
@ -3096,7 +3098,7 @@ gst_base_parse_sink_activate_mode (GstPad * pad, GstObject * parent,
case GST_PAD_MODE_PULL:
if (active) {
parse->priv->pending_events =
g_list_append (parse->priv->pending_events,
g_list_prepend (parse->priv->pending_events,
gst_event_new_segment (&parse->segment));
parse->priv->pending_segment = TRUE;
result = TRUE;
@ -3927,7 +3929,7 @@ gst_base_parse_handle_seek (GstBaseParse * parse, GstEvent * event)
/* This will be sent later in _loop() */
parse->priv->pending_segment = TRUE;
parse->priv->pending_events =
g_list_append (parse->priv->pending_events,
g_list_prepend (parse->priv->pending_events,
gst_event_new_segment (&parse->segment));
GST_DEBUG_OBJECT (parse, "Created newseg format %d, "