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glfilter: advertise resize in the caps negotiation properly

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This commit is contained in:
Matthew Waters 2015-03-12 10:14:50 +00:00
parent 3d9020e564
commit 56253d8dce
1 changed files with 35 additions and 1 deletions
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36
gst-libs/gst/gl/gstglfilter.c
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@ -707,6 +707,36 @@ done:
return othercaps;
}
/* copies the given caps */
static GstCaps *
gst_gl_filter_caps_remove_size (GstCaps * caps)
{
GstStructure *st;
GstCapsFeatures *f;
gint i, n;
GstCaps *res;
res = gst_caps_new_empty ();
n = gst_caps_get_size (caps);
for (i = 0; i < n; i++) {
st = gst_caps_get_structure (caps, i);
f = gst_caps_get_features (caps, i);
/* If this is already expressed by the existing caps
* skip this structure */
if (i > 0 && gst_caps_is_subset_structure_full (res, st, f))
continue;
st = gst_structure_copy (st);
gst_structure_remove_fields (st, "width", "height", NULL);
gst_caps_append_structure_full (res, st, gst_caps_features_copy (f));
}
return res;
}
static GstCaps *
gst_gl_filter_set_caps_features (const GstCaps * caps,
const gchar * feature_name)
@ -751,9 +781,13 @@ gst_gl_filter_transform_caps (GstBaseTransform * bt,
result = gst_caps_merge (gl_caps, result);
}
tmp = result;
GST_DEBUG_OBJECT (bt, "transfer returned caps %" GST_PTR_FORMAT, tmp);
tmp = gst_gl_filter_caps_remove_size (result);
gst_caps_unref (result);
result = tmp;
GST_DEBUG_OBJECT (bt, "size removal returned caps %" GST_PTR_FORMAT, tmp);
if (direction == GST_PAD_SRC) {
result =
gst_gl_color_convert_transform_caps (filter->context, direction, tmp,