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This commit is contained in:
Sebastian Dröge 2011-04-07 10:40:16 +02:00
parent 1d9cd86af6
commit c7c3e46b08
1 changed files with 51 additions and 3 deletions
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54
libs/gst/base/gstbasesrc.c
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@ -240,6 +240,9 @@ struct _GstBaseSrcPrivate
/* pending events (TAG, CUSTOM_BOTH, CUSTOM_DOWNSTREAM) to be /* pending events (TAG, CUSTOM_BOTH, CUSTOM_DOWNSTREAM) to be
* pushed in the data stream */ * pushed in the data stream */
GList *pending_tags;
volatile gint have_tags;
GList *pending_events; GList *pending_events;
volatile gint have_events; volatile gint have_events;
@ -440,6 +443,7 @@ gst_base_src_init (GstBaseSrc * basesrc, gpointer g_class)
basesrc->data.ABI.typefind = DEFAULT_TYPEFIND; basesrc->data.ABI.typefind = DEFAULT_TYPEFIND;
basesrc->priv->do_timestamp = DEFAULT_DO_TIMESTAMP; basesrc->priv->do_timestamp = DEFAULT_DO_TIMESTAMP;
g_atomic_int_set (&basesrc->priv->have_events, FALSE); g_atomic_int_set (&basesrc->priv->have_events, FALSE);
g_atomic_int_set (&basesrc->priv->have_tags, FALSE);
GST_OBJECT_FLAG_UNSET (basesrc, GST_BASE_SRC_STARTED); GST_OBJECT_FLAG_UNSET (basesrc, GST_BASE_SRC_STARTED);
GST_OBJECT_FLAG_SET (basesrc, GST_ELEMENT_IS_SOURCE); GST_OBJECT_FLAG_SET (basesrc, GST_ELEMENT_IS_SOURCE);
@ -461,6 +465,11 @@ gst_base_src_finalize (GObject * object)
event_p = &basesrc->data.ABI.pending_seek; event_p = &basesrc->data.ABI.pending_seek;
gst_event_replace (event_p, NULL); gst_event_replace (event_p, NULL);
if (basesrc->priv->pending_tags) {
g_list_foreach (basesrc->priv->pending_tags, (GFunc) gst_event_unref, NULL);
g_list_free (basesrc->priv->pending_tags);
}
if (basesrc->priv->pending_events) { if (basesrc->priv->pending_events) {
g_list_foreach (basesrc->priv->pending_events, (GFunc) gst_event_unref, g_list_foreach (basesrc->priv->pending_events, (GFunc) gst_event_unref,
NULL); NULL);
@ -1588,9 +1597,17 @@ gst_base_src_send_event (GstElement * element, GstEvent * event)
/* sending random NEWSEGMENT downstream can break sync. */ /* sending random NEWSEGMENT downstream can break sync. */
break; break;
case GST_EVENT_TAG: case GST_EVENT_TAG:
/* Insert TAG in the dataflow */
GST_OBJECT_LOCK (src);
src->priv->pending_tags = g_list_append (src->priv->pending_tags, event);
g_atomic_int_set (&src->priv->have_tags, TRUE);
GST_OBJECT_UNLOCK (src);
event = NULL;
result = TRUE;
break;
case GST_EVENT_CUSTOM_DOWNSTREAM: case GST_EVENT_CUSTOM_DOWNSTREAM:
case GST_EVENT_CUSTOM_BOTH: case GST_EVENT_CUSTOM_BOTH:
/* Insert TAG, CUSTOM_DOWNSTREAM, CUSTOM_BOTH in the dataflow */ /* Insert CUSTOM_DOWNSTREAM, CUSTOM_BOTH in the dataflow */
GST_OBJECT_LOCK (src); GST_OBJECT_LOCK (src);
src->priv->pending_events = src->priv->pending_events =
g_list_append (src->priv->pending_events, event); g_list_append (src->priv->pending_events, event);
@ -2357,7 +2374,7 @@ gst_base_src_loop (GstPad * pad)
gint64 position; gint64 position;
gboolean eos; gboolean eos;
gulong blocksize; gulong blocksize;
GList *pending_events = NULL, *tmp; GList *pending_tags = NULL, *pending_events = NULL, *tmp;
eos = FALSE; eos = FALSE;
@ -2414,6 +2431,24 @@ gst_base_src_loop (GstPad * pad)
} }
src->priv->newsegment_pending = FALSE; src->priv->newsegment_pending = FALSE;
if (g_atomic_int_get (&src->priv->have_tags)) {
GST_OBJECT_LOCK (src);
/* take the events */
pending_tags = src->priv->pending_tags;
src->priv->pending_tags = NULL;
g_atomic_int_set (&src->priv->have_tags, FALSE);
GST_OBJECT_UNLOCK (src);
}
/* Push out pending tags if any */
if (G_UNLIKELY (pending_tags != NULL)) {
for (tmp = pending_tags; tmp; tmp = g_list_next (tmp)) {
GstEvent *ev = (GstEvent *) tmp->data;
gst_pad_push_event (pad, ev);
}
g_list_free (pending_tags);
}
if (g_atomic_int_get (&src->priv->have_events)) { if (g_atomic_int_get (&src->priv->have_events)) {
GST_OBJECT_LOCK (src); GST_OBJECT_LOCK (src);
/* take the events */ /* take the events */
@ -2423,7 +2458,7 @@ gst_base_src_loop (GstPad * pad)
GST_OBJECT_UNLOCK (src); GST_OBJECT_UNLOCK (src);
} }
/* Push out pending tags if any */ /* Push out pending events if any */
if (G_UNLIKELY (pending_events != NULL)) { if (G_UNLIKELY (pending_events != NULL)) {
for (tmp = pending_events; tmp; tmp = g_list_next (tmp)) { for (tmp = pending_events; tmp; tmp = g_list_next (tmp)) {
GstEvent *ev = (GstEvent *) tmp->data; GstEvent *ev = (GstEvent *) tmp->data;
@ -2854,6 +2889,19 @@ gst_base_src_set_flushing (GstBaseSrc * basesrc,
} else { } else {
/* signal the live source that it can start playing */ /* signal the live source that it can start playing */
basesrc->live_running = live_play; basesrc->live_running = live_play;
/* When unlocking drop all delayed events */
if (unlock) {
GST_OBJECT_LOCK (basesrc);
if (basesrc->priv->pending_events) {
g_list_foreach (basesrc->priv->pending_events, (GFunc) gst_event_unref,
NULL);
g_list_free (basesrc->priv->pending_events);
basesrc->priv->pending_events = NULL;
g_atomic_int_set (&basesrc->priv->have_events, FALSE);
}
GST_OBJECT_UNLOCK (basesrc);
}
} }
GST_LIVE_SIGNAL (basesrc); GST_LIVE_SIGNAL (basesrc);
GST_LIVE_UNLOCK (basesrc); GST_LIVE_UNLOCK (basesrc);