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baseparse: Fix handling of multiple newsegment events

Browse source 
Previously only the last would be pushed, which would cause
invalid running times downstream. This also fixes the handling
of update newsegment events.
This commit is contained in:
Sebastian Dröge 2012-03-05 14:41:12 +01:00
parent 563ba031a2
commit 495aca4905
1 changed files with 48 additions and 48 deletions
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96
libs/gst/base/gstbaseparse.c
View file

@ -276,8 +276,6 @@ struct _GstBaseParsePrivate
guint max_bitrate;
guint posted_avg_bitrate;
GList *pending_events;
/* frames/buffers that are queued and ready to go on OK */
GQueue queued_frames;
@ -316,9 +314,10 @@ struct _GstBaseParsePrivate
GstClockTime last_ts;
gint64 last_offset;
/* Pending serialized events */
GList *pending_events;
/* Newsegment event to be sent after SEEK */
GstEvent *pending_segment;
gboolean pending_segment;
/* Segment event that closes the running segment prior to SEEK */
GstEvent *close_segment;
@ -466,8 +465,8 @@ gst_base_parse_clear_queues (GstBaseParse * parse)
g_list_foreach (parse->priv->pending_events, (GFunc) gst_event_unref, NULL);
g_list_free (parse->priv->pending_events);
parse->priv->pending_events = NULL;
parse->priv->pending_segment = FALSE;
gst_event_replace (&parse->priv->pending_segment, NULL);
gst_event_replace (&parse->priv->close_segment, NULL);
}
@ -479,10 +478,6 @@ gst_base_parse_finalize (GObject * object)
g_object_unref (parse->priv->adapter);
if (parse->priv->pending_segment) {
p_ev = &parse->priv->pending_segment;
gst_event_replace (p_ev, NULL);
}
if (parse->priv->close_segment) {
p_ev = &parse->priv->close_segment;
gst_event_replace (p_ev, NULL);
@ -497,6 +492,7 @@ gst_base_parse_finalize (GObject * object)
NULL);
g_list_free (parse->priv->pending_events);
parse->priv->pending_events = NULL;
parse->priv->pending_segment = FALSE;
if (parse->priv->index) {
gst_object_unref (parse->priv->index);
@ -766,15 +762,11 @@ gst_base_parse_reset (GstBaseParse * parse)
parse->priv->last_ts = GST_CLOCK_TIME_NONE;
parse->priv->last_offset = 0;
if (parse->priv->pending_segment) {
gst_event_unref (parse->priv->pending_segment);
parse->priv->pending_segment = NULL;
}
g_list_foreach (parse->priv->pending_events, (GFunc) gst_mini_object_unref,
NULL);
g_list_free (parse->priv->pending_events);
parse->priv->pending_events = NULL;
parse->priv->pending_segment = FALSE;
gst_event_replace (&parse->priv->close_segment, NULL);
@ -937,7 +929,6 @@ gst_base_parse_sink_event (GstPad * pad, GstEvent * event)
g_list_append (parse->priv->pending_events, event);
ret = TRUE;
} else {
if (GST_EVENT_TYPE (event) == GST_EVENT_EOS &&
parse->priv->framecount < MIN_FRAMES_TO_POST_BITRATE)
/* We've not posted bitrate tags yet - do so now */
@ -974,7 +965,6 @@ static gboolean
gst_base_parse_sink_eventfunc (GstBaseParse * parse, GstEvent * event)
{
gboolean handled = FALSE;
GstEvent **eventp;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_NEWSEGMENT:
@ -1065,9 +1055,9 @@ gst_base_parse_sink_eventfunc (GstBaseParse * parse, GstEvent * event)
/* save the segment for later, right before we push a new buffer so that
* the caps are fixed and the next linked element can receive
* the segment. */
eventp = &parse->priv->pending_segment;
gst_event_replace (eventp, event);
gst_event_unref (event);
parse->priv->pending_events =
g_list_append (parse->priv->pending_events, event);
parse->priv->pending_segment = TRUE;
handled = TRUE;
/* but finish the current segment */
@ -1119,10 +1109,16 @@ gst_base_parse_sink_eventfunc (GstBaseParse * parse, GstEvent * event)
GST_ELEMENT_ERROR (parse, STREAM, WRONG_TYPE,
("No valid frames found before end of stream"), (NULL));
}
/* newsegment before eos */
if (parse->priv->pending_segment) {
gst_pad_push_event (parse->srcpad, parse->priv->pending_segment);
parse->priv->pending_segment = NULL;
/* newsegment and other serialized events before eos */
if (G_UNLIKELY (parse->priv->pending_events)) {
GList *l;
for (l = parse->priv->pending_events; 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;
parse->priv->pending_segment = FALSE;
}
break;
@ -1839,6 +1835,11 @@ gst_base_parse_push_frame (GstBaseParse * parse, GstBaseParseFrame * frame)
/* should have caps by now */
g_return_val_if_fail (GST_PAD_CAPS (parse->srcpad), GST_FLOW_ERROR);
if (G_UNLIKELY (parse->priv->pending_segment)) {
/* have caps; check identity */
gst_base_parse_check_media (parse);
}
/* and should then also be linked downstream, so safe to send some events */
if (G_UNLIKELY (parse->priv->close_segment)) {
/* only set up by loop */
@ -1846,20 +1847,8 @@ gst_base_parse_push_frame (GstBaseParse * parse, GstBaseParseFrame * frame)
gst_pad_push_event (parse->srcpad, parse->priv->close_segment);
parse->priv->close_segment = NULL;
}
if (G_UNLIKELY (parse->priv->pending_segment)) {
GstEvent *pending_segment;
pending_segment = parse->priv->pending_segment;
parse->priv->pending_segment = NULL;
GST_DEBUG_OBJECT (parse, "%s push pending segment",
parse->priv->pad_mode == GST_ACTIVATE_PULL ? "loop" : "chain");
gst_pad_push_event (parse->srcpad, pending_segment);
/* have caps; check identity */
gst_base_parse_check_media (parse);
}
/* Push pending events, including NEWSEGMENT events */
if (G_UNLIKELY (parse->priv->pending_events)) {
GList *l;
@ -1868,6 +1857,7 @@ gst_base_parse_push_frame (GstBaseParse * parse, GstBaseParseFrame * frame)
}
g_list_free (parse->priv->pending_events);
parse->priv->pending_events = NULL;
parse->priv->pending_segment = FALSE;
}
/* segment adjustment magic; only if we are running the whole show */
@ -2880,11 +2870,18 @@ pause:
push_eos = TRUE;
}
if (push_eos) {
/* newsegment before eos */
if (parse->priv->pending_segment) {
gst_pad_push_event (parse->srcpad, parse->priv->pending_segment);
parse->priv->pending_segment = NULL;
/* Push pending events, including NEWSEGMENT events */
if (G_UNLIKELY (parse->priv->pending_events)) {
GList *l;
for (l = parse->priv->pending_events; 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;
parse->priv->pending_segment = FALSE;
}
gst_pad_push_event (parse->srcpad, gst_event_new_eos ());
}
gst_object_unref (parse);
@ -2981,9 +2978,15 @@ gst_base_parse_sink_activate_pull (GstPad * sinkpad, gboolean active)
if (result) {
if (active) {
parse->priv->pending_segment = gst_event_new_new_segment (FALSE,
GstEvent *event;
event = gst_event_new_new_segment (FALSE,
parse->segment.rate, parse->segment.format,
parse->segment.start, parse->segment.stop, parse->segment.last_stop);
parse->priv->pending_events =
g_list_append (parse->priv->pending_events, event);
parse->priv->pending_segment = TRUE;
result &=
gst_pad_start_task (sinkpad, (GstTaskFunction) gst_base_parse_loop,
sinkpad);
@ -3834,14 +3837,11 @@ gst_base_parse_handle_seek (GstBaseParse * parse, GstEvent * event)
memcpy (&parse->segment, &seeksegment, sizeof (GstSegment));
/* store the newsegment event so it can be sent from the streaming thread. */
if (parse->priv->pending_segment)
gst_event_unref (parse->priv->pending_segment);
/* This will be sent later in _loop() */
parse->priv->pending_segment =
parse->priv->pending_segment = TRUE;
parse->priv->pending_events = g_list_append (parse->priv->pending_events,
gst_event_new_new_segment (FALSE, parse->segment.rate,
parse->segment.format, parse->segment.start,
parse->segment.stop, parse->segment.start);
parse->segment.format, parse->segment.start,
parse->segment.stop, parse->segment.start));
GST_DEBUG_OBJECT (parse, "Created newseg format %d, "
"start = %" GST_TIME_FORMAT ", stop = %" GST_TIME_FORMAT