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videoscale: improve handling of navigation events

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Only make the navigation event writable when we need to change it.
This commit is contained in:
Wim Taymans 2012-09-11 10:56:43 +02:00
parent d186109e71
commit 280e504ae5
1 changed files with 13 additions and 10 deletions
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23
gst/videoscale/gstvideoscale.c
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@ -1412,17 +1412,20 @@ gst_video_scale_src_event (GstBaseTransform * trans, GstEvent * event)
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_NAVIGATION:
event =
GST_EVENT (gst_mini_object_make_writable (GST_MINI_OBJECT (event)));
if (filter->in_info.width != filter->out_info.width ||
filter->in_info.height != filter->out_info.height) {
event =
GST_EVENT (gst_mini_object_make_writable (GST_MINI_OBJECT (event)));
structure = (GstStructure *) gst_event_get_structure (event);
if (gst_structure_get_double (structure, "pointer_x", &a)) {
gst_structure_set (structure, "pointer_x", G_TYPE_DOUBLE,
a * filter->in_info.width / filter->out_info.width, NULL);
}
if (gst_structure_get_double (structure, "pointer_y", &a)) {
gst_structure_set (structure, "pointer_y", G_TYPE_DOUBLE,
a * filter->in_info.height / filter->out_info.height, NULL);
structure = (GstStructure *) gst_event_get_structure (event);
if (gst_structure_get_double (structure, "pointer_x", &a)) {
gst_structure_set (structure, "pointer_x", G_TYPE_DOUBLE,
a * filter->in_info.width / filter->out_info.width, NULL);
}
if (gst_structure_get_double (structure, "pointer_y", &a)) {
gst_structure_set (structure, "pointer_y", G_TYPE_DOUBLE,
a * filter->in_info.height / filter->out_info.height, NULL);
}
}
break;
default: