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fpsdisplaysink: check the sync property exists on embedded sink(s)

Browse source 
Follow-up on 4111d6321f, the video
sink(s) used by fpsdisplaysink might not have the sync property. So we
check its existence to avoid warning from g_object_set() at runtime.

Fixes #604280
This commit is contained in:
Philippe Normand 2009-12-15 13:08:08 +01:00 committed by Thiago Santos
parent 1b2e0eae67
commit 9c03149e7b
1 changed files with 16 additions and 8 deletions
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24
gst/debugutils/fpsdisplaysink.c
View file

@ -33,8 +33,9 @@
*/
/* FIXME:
* - can we avoid plugging the textoverlay?
* - we should use autovideosink as we are RANK_NONE and would not get plugged
* - We are using autovideosink now, but then sync doesn't work
* - but then we have to lookup the realsink to be able to set sync
* - or we could make autovideosink proxy the property
* - gst-seek 15 "videotestsrc ! fpsdisplaysink" dies when closing gst-seek
* - if we make ourself RANK_PRIMARY+10 autovideosink asserts
*
@ -103,7 +104,8 @@ fps_display_sink_class_init (GstFPSDisplaySinkClass * klass)
g_object_class_install_property (gobject_klass, ARG_SYNC,
g_param_spec_boolean ("sync",
"Sync", "Sync on the clock", TRUE,
"Sync", "Sync on the clock (if the internally used sink doesn't "
"have this property it will be ignored", TRUE,
G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE));
g_object_class_install_property (gobject_klass, ARG_TEXT_OVERLAY,
@ -170,9 +172,15 @@ on_video_sink_data_flow (GstPad * pad, GstMiniObject * mini_obj,
}
static void
update_sub_sink (GstElement * sink, gpointer data)
update_sink_sync (GstElement * sink, gpointer data)
{
g_object_set (sink, "sync", *((gboolean *) data), NULL);
/* Some sinks (like autovideosink) don't have the sync property so
* we check it exists before setting it to avoid a warning at
* runtime. */
if (g_object_class_find_property (G_OBJECT_GET_CLASS (sink), "sync"))
g_object_set (sink, "sync", *((gboolean *) data), NULL);
else
GST_WARNING ("Internal sink doesn't have sync property");
}
static void
@ -202,11 +210,11 @@ update_video_sink (GstFPSDisplaySink * self, GstElement * video_sink)
if (G_OBJECT_TYPE (self->video_sink) == GST_TYPE_BIN) {
iterator = gst_bin_iterate_sinks (GST_BIN (self->video_sink));
gst_iterator_foreach (iterator, (GFunc) update_sub_sink,
gst_iterator_foreach (iterator, (GFunc) update_sink_sync,
(void *) &self->sync);
gst_iterator_free (iterator);
} else
g_object_set (self->video_sink, "sync", self->sync, NULL);
update_sink_sync (self->video_sink, (void *) &self->sync);
/* take a ref before bin takes the ownership */
gst_object_ref (self->video_sink);
@ -394,11 +402,11 @@ fps_display_sink_set_property (GObject * object, guint prop_id,
self->sync = g_value_get_boolean (value);
if (G_OBJECT_TYPE (self->video_sink) == GST_TYPE_BIN) {
iterator = gst_bin_iterate_sinks (GST_BIN (self->video_sink));
gst_iterator_foreach (iterator, (GFunc) update_sub_sink,
gst_iterator_foreach (iterator, (GFunc) update_sink_sync,
(void *) &self->sync);
gst_iterator_free (iterator);
} else
g_object_set (self->video_sink, "sync", self->sync, NULL);
update_sink_sync (self->video_sink, (void *) &self->sync);
break;
case ARG_TEXT_OVERLAY:
self->use_text_overlay = g_value_get_boolean (value);