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imagefreeze: fix query and _getcaps handling

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This commit is contained in:
Mark Nauwelaerts 2012-03-23 18:43:36 +01:00
parent 9041a588f9
commit ff616b1173
1 changed files with 41 additions and 31 deletions
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72
gst/imagefreeze/gstimagefreeze.c
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@ -248,11 +248,26 @@ done:
return ret;
}
/* remove framerate in writable @caps */
static void
gst_image_freeze_remove_fps (GstImageFreeze * self, GstCaps * caps)
{
gint i, n;
n = gst_caps_get_size (caps);
for (i = 0; i < n; i++) {
GstStructure *s = gst_caps_get_structure (caps, i);
gst_structure_remove_field (s, "framerate");
gst_structure_set (s, "framerate", GST_TYPE_FRACTION_RANGE, 0, 1, G_MAXINT,
1, NULL);
}
}
static GstCaps *
gst_image_freeze_sink_getcaps (GstImageFreeze * self, GstCaps * filter)
{
GstCaps *ret, *tmp;
guint i, n;
GstCaps *ret, *tmp, *templ;
GstPad *pad;
pad = self->sinkpad;
@ -263,22 +278,24 @@ gst_image_freeze_sink_getcaps (GstImageFreeze * self, GstCaps * filter)
goto done;
}
if (filter) {
filter = gst_caps_copy (filter);
gst_image_freeze_remove_fps (self, filter);
}
templ = gst_pad_get_pad_template_caps (pad);
tmp = gst_pad_peer_query_caps (self->srcpad, filter);
if (tmp) {
ret = gst_caps_intersect (tmp, gst_pad_get_pad_template_caps (pad));
GST_LOG_OBJECT (self, "peer caps %" GST_PTR_FORMAT, tmp);
ret = gst_caps_intersect (tmp, templ);
gst_caps_unref (tmp);
} else {
ret = gst_caps_copy (gst_pad_get_pad_template_caps (pad));
GST_LOG_OBJECT (self, "going to copy");
ret = gst_caps_copy (templ);
}
gst_caps_unref (templ);
n = gst_caps_get_size (ret);
for (i = 0; i < n; i++) {
GstStructure *s = gst_caps_get_structure (ret, i);
gst_structure_remove_field (s, "framerate");
gst_structure_set (s, "framerate", GST_TYPE_FRACTION_RANGE, 0, 1, G_MAXINT,
1, NULL);
}
ret = gst_caps_make_writable (ret);
gst_image_freeze_remove_fps (self, ret);
done:
GST_LOG_OBJECT (pad, "Returning caps: %" GST_PTR_FORMAT, ret);
@ -291,31 +308,24 @@ gst_image_freeze_sink_query (GstPad * pad, GstObject * parent, GstQuery * query)
{
GstImageFreeze *self = GST_IMAGE_FREEZE (parent);
gboolean ret;
GstPad *peer = gst_pad_get_peer (self->srcpad);
GST_LOG_OBJECT (pad, "Handling query of type '%s'",
gst_query_type_get_name (GST_QUERY_TYPE (query)));
if (!peer) {
GST_INFO_OBJECT (pad, "No peer yet, dropping query");
ret = FALSE;
} else {
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_CAPS:
{
GstCaps *caps;
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_CAPS:
{
GstCaps *caps;
gst_query_parse_caps (query, &caps);
caps = gst_image_freeze_sink_getcaps (self, caps);
gst_query_set_caps_result (query, caps);
gst_caps_unref (caps);
ret = TRUE;
break;
}
default:
ret = gst_pad_query_default (peer, parent, query);
gst_query_parse_caps (query, &caps);
caps = gst_image_freeze_sink_getcaps (self, caps);
gst_query_set_caps_result (query, caps);
gst_caps_unref (caps);
ret = TRUE;
break;
}
gst_object_unref (peer);
default:
ret = gst_pad_query_default (pad, parent, query);
}
return ret;