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discoverer: Consider parent/child streams the same if they have caps with the same name

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Child streams could have more accurate width/height or various other
information added. If they have the same name, they are likely to be the
same streams.

https://bugzilla.gnome.org/show_bug.cgi?id=782697
This commit is contained in:
Sebastian Dröge 2017-05-18 11:21:55 +03:00
parent efbda07cfa
commit 478b7a8eb4
1 changed files with 7 additions and 19 deletions
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26
gst-libs/gst/pbutils/gstdiscoverer.c
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@ -1052,33 +1052,21 @@ find_stream_for_node (GstDiscoverer * dc, const GstStructure * topology)
/* this can fail due to {framed,parsed}={TRUE,FALSE} differences, thus we filter
* the parent */
static gboolean
child_is_same_stream (const GstCaps * _parent, const GstCaps * child)
child_is_same_stream (const GstCaps * parent, const GstCaps * child)
{
GstCaps *parent;
guint i, size;
gboolean res;
const GstStructure *s1, *s2;
if (_parent == child)
if (parent == child)
return TRUE;
if (!_parent)
if (!parent)
return FALSE;
if (!child)
return FALSE;
parent = gst_caps_copy (_parent);
size = gst_caps_get_size (parent);
s1 = gst_caps_get_structure (parent, 0);
s2 = gst_caps_get_structure (child, 0);
for (i = 0; i < size; i++) {
gst_structure_remove_field (gst_caps_get_structure (parent, i), "parsed");
gst_structure_remove_field (gst_caps_get_structure (parent, i), "framed");
gst_structure_remove_field (gst_caps_get_structure (parent, i),
"stream-format");
gst_structure_remove_field (gst_caps_get_structure (parent, i),
"alignment");
}
res = gst_caps_can_intersect (parent, child);
gst_caps_unref (parent);
return res;
return gst_structure_has_name (s1, gst_structure_get_name (s2));
}