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gstsuboverlay: Convert NewSegment events to always be in the TIME format.

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=638168

Conflicts:

	gst/playback/gstsubtitleoverlay.c
This commit is contained in:
Andre Moreira Magalhaes (andrunko) 2012-05-10 12:17:45 -03:00 committed by Thiago Santos
parent e126073489
commit 5627aa81bd
1 changed files with 135 additions and 6 deletions
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141
gst/playback/gstsubtitleoverlay.c
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@ -608,13 +608,80 @@ _remove_element (GstSubtitleOverlay * self, GstElement ** element)
}
}
static gboolean
_pad_query_convert_to_time (GstPad * pad, GstFormat src_format, gint64 src_val,
gint64 * dest_val)
{
GstFormat dest_format;
if (src_val == GST_CLOCK_TIME_NONE) {
*dest_val = GST_CLOCK_TIME_NONE;
return TRUE;
}
dest_format = GST_FORMAT_TIME;
return gst_pad_query_convert (pad, src_format, src_val, dest_format,
dest_val);
}
static void
_generate_update_segment_event (GstSegment * segment, GstEvent ** event1)
_generate_update_segment_event (GstPad * pad, GstSegment * segment,
GstEvent ** event1)
{
GstEvent *event;
GstStructure *structure;
GstSegment newsegment;
gboolean use_newseg = FALSE;
gint64 start, stop, base, time, position, duration;
event = gst_event_new_segment (segment);
/* always push newsegment with format TIME */
if (segment->format != GST_FORMAT_TIME) {
gboolean res;
GstPad *peer;
peer = gst_pad_get_peer (pad);
if (peer) {
res = _pad_query_convert_to_time (peer, segment->format,
segment->start, &start);
res = res && _pad_query_convert_to_time (peer, segment->format,
segment->stop, &stop);
res = res && _pad_query_convert_to_time (peer, segment->format,
segment->time, &time);
res = res && _pad_query_convert_to_time (peer, segment->format,
segment->base, &base);
res = res && _pad_query_convert_to_time (peer, segment->format,
segment->position, &position);
res = res && _pad_query_convert_to_time (peer, segment->format,
segment->duration, &duration);
if (!res) {
start = 0;
stop = GST_CLOCK_TIME_NONE;
time = 0;
position = 0;
duration = GST_CLOCK_TIME_NONE;
base = 0;
} else {
use_newseg = TRUE;
gst_segment_init (&newsegment, GST_FORMAT_TIME);
newsegment.rate = segment->rate;
newsegment.applied_rate = segment->applied_rate;
newsegment.start = start;
newsegment.stop = stop;
newsegment.time = time;
newsegment.base = base;
newsegment.position = position;
newsegment.duration = duration;
}
gst_object_unref (peer);
}
}
if (use_newseg) {
event = gst_event_new_segment (&newsegment);
} else {
event = gst_event_new_segment (segment);
}
structure = gst_event_writable_structure (event);
gst_structure_id_set (structure, _subtitle_overlay_event_marker_id,
G_TYPE_BOOLEAN, TRUE, NULL);
@ -684,7 +751,7 @@ _setup_passthrough (GstSubtitleOverlay * self)
if (self->video_segment.format != GST_FORMAT_UNDEFINED) {
GstEvent *event1;
_generate_update_segment_event (&self->video_segment, &event1);
_generate_update_segment_event (sink, &self->video_segment, &event1);
GST_DEBUG_OBJECT (self,
"Pushing video segment event: %" GST_PTR_FORMAT, event1);
gst_pad_send_event (sink, event1);
@ -1313,7 +1380,7 @@ _pad_blocked_cb (GstPad * pad, GstPadProbeInfo * info, gpointer user_data)
sink = _get_video_pad ((self->renderer) ? self->renderer : self->overlay);
}
_generate_update_segment_event (&self->video_segment, &event1);
_generate_update_segment_event (sink, &self->video_segment, &event1);
GST_DEBUG_OBJECT (self,
"Pushing video update segment event: %" GST_PTR_FORMAT,
gst_event_get_structure (event1));
@ -1330,7 +1397,7 @@ _pad_blocked_cb (GstPad * pad, GstPadProbeInfo * info, gpointer user_data)
else
sink = gst_element_get_static_pad (self->parser, "sink");
_generate_update_segment_event (&self->subtitle_segment, &event1);
_generate_update_segment_event (sink, &self->subtitle_segment, &event1);
GST_DEBUG_OBJECT (self,
"Pushing subtitle update segment event: %" GST_PTR_FORMAT,
gst_event_get_structure (event1));
@ -1996,6 +2063,8 @@ gst_subtitle_overlay_subtitle_sink_event (GstPad * pad, GstObject * parent,
GstSubtitleOverlay *self = GST_SUBTITLE_OVERLAY (parent);
gboolean ret;
GST_DEBUG_OBJECT (pad, "Got event %" GST_PTR_FORMAT, event);
if (GST_EVENT_TYPE (event) == GST_EVENT_CUSTOM_DOWNSTREAM_OOB &&
gst_event_has_name (event, "subtitleoverlay-flush-subtitle")) {
GST_DEBUG_OBJECT (pad, "Custom subtitle flush event");
@ -2050,8 +2119,68 @@ gst_subtitle_overlay_subtitle_sink_event (GstPad * pad, GstObject * parent,
ret = gst_proxy_pad_event_default (pad, parent, gst_event_ref (event));
if (GST_EVENT_TYPE (event) == GST_EVENT_SEGMENT) {
const GstSegment *eventsegment;
GST_DEBUG_OBJECT (pad, "segment event: %" GST_PTR_FORMAT, event);
gst_event_copy_segment (event, &self->subtitle_segment);
gst_event_parse_segment (event, &eventsegment);
if (eventsegment->format == GST_FORMAT_TIME) {
gst_event_copy_segment (event, &self->subtitle_segment);
} else {
GstPad *peer;
gboolean res = FALSE;
gint64 tstart = 0;
gint64 tstop = GST_CLOCK_TIME_NONE;
gint64 tposition = 0;
gint64 tduration = 0;
gint64 ttime = 0;
gint64 tbase = 0;
GstFormat format = eventsegment->format;
GST_DEBUG_OBJECT (pad, "Subtitle newsegment event (%s) not in TIME "
"format, converting", format);
peer = gst_pad_get_peer (pad);
if (peer) {
res =
_pad_query_convert_to_time (peer, format, eventsegment->start,
&tstart);
res = res
&& _pad_query_convert_to_time (peer, format, eventsegment->stop,
&tstop);
res = res
&& _pad_query_convert_to_time (peer, format, eventsegment->position,
&tposition);
res = res
&& _pad_query_convert_to_time (peer, format, eventsegment->base,
&tbase);
res = res
&& _pad_query_convert_to_time (peer, format, eventsegment->time,
&ttime);
res = res
&& _pad_query_convert_to_time (peer, format, eventsegment->duration,
&tduration);
gst_object_unref (peer);
}
if (!res) {
tstart = 0;
tstop = GST_CLOCK_TIME_NONE;
tposition = 0;
tduration = GST_CLOCK_TIME_NONE;
ttime = 0;
tbase = 0;
}
gst_segment_init (&self->subtitle_segment, GST_FORMAT_TIME);
self->subtitle_segment.start = tstart;
self->subtitle_segment.stop = tstop;
self->subtitle_segment.base = tbase;
self->subtitle_segment.time = ttime;
self->subtitle_segment.position = tposition;
self->subtitle_segment.duration = tduration;
}
GST_DEBUG_OBJECT (pad, "New subtitle segment: %" GST_SEGMENT_FORMAT,
&self->subtitle_segment);
}