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imagefreeze: Response caps query from srcpad

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... and chain up to default query handler for unhandled query types.
Unhandled query shouldn't be returned with FALSE if there's no special needs.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-good/-/merge_requests/731>
This commit is contained in:
Seungha Yang 2020-09-20 21:06:19 +09:00 committed by Sebastian Dröge
parent e64227f585
commit 027940a416
1 changed files with 21 additions and 10 deletions
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31
gst/imagefreeze/gstimagefreeze.c
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@ -76,8 +76,8 @@ static gboolean gst_image_freeze_sink_event (GstPad * pad, GstObject * parent,
GstEvent * event);
static gboolean gst_image_freeze_sink_setcaps (GstImageFreeze * self,
GstCaps * caps);
static GstCaps *gst_image_freeze_sink_getcaps (GstImageFreeze * self,
GstCaps * filter);
static GstCaps *gst_image_freeze_query_caps (GstImageFreeze * self,
GstPad * pad, GstCaps * filter);
static gboolean gst_image_freeze_sink_query (GstPad * pad, GstObject * parent,
GstQuery * query);
static void gst_image_freeze_src_loop (GstPad * pad);
@ -333,25 +333,26 @@ gst_image_freeze_remove_fps (GstImageFreeze * self, GstCaps * caps)
}
static GstCaps *
gst_image_freeze_sink_getcaps (GstImageFreeze * self, GstCaps * filter)
gst_image_freeze_query_caps (GstImageFreeze * self, GstPad * pad,
GstCaps * filter)
{
GstCaps *ret, *tmp, *templ;
GstPad *pad;
GstPad *otherpad;
pad = self->sinkpad;
otherpad = (pad == self->srcpad) ? self->sinkpad : self->srcpad;
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);
tmp = gst_pad_peer_query_caps (otherpad, filter);
if (tmp) {
GST_LOG_OBJECT (self, "peer caps %" GST_PTR_FORMAT, tmp);
GST_LOG_OBJECT (otherpad, "peer caps %" GST_PTR_FORMAT, tmp);
ret = gst_caps_intersect (tmp, templ);
gst_caps_unref (tmp);
} else {
GST_LOG_OBJECT (self, "going to copy");
GST_LOG_OBJECT (otherpad, "going to copy");
ret = gst_caps_copy (templ);
}
if (templ)
@ -382,7 +383,7 @@ gst_image_freeze_sink_query (GstPad * pad, GstObject * parent, GstQuery * query)
GstCaps *caps;
gst_query_parse_caps (query, &caps);
caps = gst_image_freeze_sink_getcaps (self, caps);
caps = gst_image_freeze_query_caps (self, pad, caps);
gst_query_set_caps_result (query, caps);
gst_caps_unref (caps);
ret = TRUE;
@ -580,8 +581,18 @@ gst_image_freeze_src_query (GstPad * pad, GstObject * parent, GstQuery * query)
}
ret = TRUE;
break;
case GST_QUERY_CAPS:
{
GstCaps *caps;
gst_query_parse_caps (query, &caps);
caps = gst_image_freeze_query_caps (self, pad, caps);
gst_query_set_caps_result (query, caps);
gst_caps_unref (caps);
ret = TRUE;
break;
}
default:
ret = FALSE;
ret = gst_pad_query_default (pad, parent, query);
break;
}