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tagdemux: also push cached events downstream when operating in pull mode

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Otherwise, having 2 tagdemux in a row followed by an element operating in
pull mode will make the second tagdemux implictly eat the first tagdemux'
tag event(s).

Fixes (part of) #641047.
This commit is contained in:
Mark Nauwelaerts 2011-02-02 16:49:04 +01:00
parent 96a1a9dec6
commit b2389c2108
1 changed files with 28 additions and 13 deletions
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41
gst-libs/gst/tag/gsttagdemux.c
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@ -156,6 +156,7 @@ static GstStateChangeReturn gst_tag_demux_change_state (GstElement * element,
static gboolean gst_tag_demux_pad_query (GstPad * pad, GstQuery * query);
static const GstQueryType *gst_tag_demux_get_query_types (GstPad * pad);
static gboolean gst_tag_demux_get_upstream_size (GstTagDemux * tagdemux);
static void gst_tag_demux_send_pending_events (GstTagDemux * tagdemux);
static void gst_tag_demux_send_tag_event (GstTagDemux * tagdemux);
static gboolean gst_tag_demux_send_new_segment (GstTagDemux * tagdemux);
@ -668,8 +669,6 @@ gst_tag_demux_chain (GstPad * pad, GstBuffer * buf)
return GST_FLOW_UNEXPECTED;
}
if (outbuf) {
GList *events;
if (G_UNLIKELY (demux->priv->srcpad == NULL)) {
gst_buffer_unref (outbuf);
return GST_FLOW_ERROR;
@ -685,17 +684,7 @@ gst_tag_demux_chain (GstPad * pad, GstBuffer * buf)
}
/* send any pending events we cached */
GST_OBJECT_LOCK (demux);
events = demux->priv->pending_events;
demux->priv->pending_events = NULL;
GST_OBJECT_UNLOCK (demux);
while (events != NULL) {
GST_DEBUG_OBJECT (demux->priv->srcpad, "sending cached %s event: %"
GST_PTR_FORMAT, GST_EVENT_TYPE_NAME (events->data), events->data);
gst_pad_push_event (demux->priv->srcpad, GST_EVENT (events->data));
events = g_list_delete_link (events, events);
}
gst_tag_demux_send_pending_events (demux);
/* Send our own pending tag event */
if (demux->priv->send_tag_event) {
@ -1333,6 +1322,13 @@ gst_tag_demux_src_getrange (GstPad * srcpad,
{
GstTagDemux *demux = GST_TAG_DEMUX (GST_PAD_PARENT (srcpad));
/* downstream in pull mode won't miss a newsegment event,
* but it likely appreciates other (tag) events */
if (demux->priv->need_newseg) {
gst_tag_demux_send_pending_events (demux);
demux->priv->need_newseg = FALSE;
}
if (demux->priv->send_tag_event) {
gst_tag_demux_send_tag_event (demux);
demux->priv->send_tag_event = FALSE;
@ -1418,6 +1414,25 @@ gst_tag_demux_get_query_types (GstPad * pad)
return types;
}
static void
gst_tag_demux_send_pending_events (GstTagDemux * demux)
{
GList *events;
/* send any pending events we cached */
GST_OBJECT_LOCK (demux);
events = demux->priv->pending_events;
demux->priv->pending_events = NULL;
GST_OBJECT_UNLOCK (demux);
while (events != NULL) {
GST_DEBUG_OBJECT (demux->priv->srcpad, "sending cached %s event: %"
GST_PTR_FORMAT, GST_EVENT_TYPE_NAME (events->data), events->data);
gst_pad_push_event (demux->priv->srcpad, GST_EVENT (events->data));
events = g_list_delete_link (events, events);
}
}
static void
gst_tag_demux_send_tag_event (GstTagDemux * demux)
{