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postproc: Copy meta data from input to output

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This will ensure that meta data without memory tags will be copied. This
was noticed when testing ROI.

https://bugzilla.gnome.org/show_bug.cgi?id=768248
This commit is contained in:
Nicolas Dufresne 2018-02-27 16:20:15 -05:00
parent e82fafc482
commit fde55003ca
1 changed files with 21 additions and 1 deletions
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22
gst/vaapi/gstvaapipostproc.c
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@ -1260,6 +1260,13 @@ gst_vaapipostproc_transform_size (GstBaseTransform * trans,
return TRUE;
}
static gboolean
gst_vaapipostproc_transform_meta (GstBaseTransform * trans, GstBuffer * outbuf,
GstMeta * meta, GstBuffer * inbuf)
{
return TRUE;
}
static GstFlowReturn
gst_vaapipostproc_transform (GstBaseTransform * trans, GstBuffer * inbuf,
GstBuffer * outbuf)
@ -1325,6 +1332,7 @@ gst_vaapipostproc_prepare_output_buffer (GstBaseTransform * trans,
GstBuffer * inbuf, GstBuffer ** outbuf_ptr)
{
GstVaapiPostproc *const postproc = GST_VAAPIPOSTPROC (trans);
GstBaseTransformClass *bclass = GST_BASE_TRANSFORM_GET_CLASS (trans);
if (gst_base_transform_is_passthrough (trans)) {
*outbuf_ptr = inbuf;
@ -1337,7 +1345,18 @@ gst_vaapipostproc_prepare_output_buffer (GstBaseTransform * trans,
*outbuf_ptr = create_output_buffer (postproc);
}
return *outbuf_ptr ? GST_FLOW_OK : GST_FLOW_ERROR;
if (!*outbuf_ptr)
return GST_FLOW_ERROR;
if (inbuf != *outbuf_ptr && bclass->copy_metadata) {
if (!bclass->copy_metadata (trans, inbuf, *outbuf_ptr)) {
/* something failed, post a warning */
GST_ELEMENT_WARNING (trans, STREAM, NOT_IMPLEMENTED,
("could not copy metadata"), (NULL));
}
}
return GST_FLOW_OK;
}
static gboolean
@ -1673,6 +1692,7 @@ gst_vaapipostproc_class_init (GstVaapiPostprocClass * klass)
trans_class->fixate_caps = gst_vaapipostproc_fixate_caps;
trans_class->transform_caps = gst_vaapipostproc_transform_caps;
trans_class->transform_size = gst_vaapipostproc_transform_size;
trans_class->transform_meta = gst_vaapipostproc_transform_meta;
trans_class->transform = gst_vaapipostproc_transform;
trans_class->set_caps = gst_vaapipostproc_set_caps;
trans_class->query = gst_vaapipostproc_query;