static GstFlowReturn
gst_smpte_alpha_transform_frame (GstVideoFilter * vfilter,
GstVideoFrame * in_frame, GstVideoFrame * out_frame)
{
GstSMPTEAlpha *smpte = GST_SMPTE_ALPHA (vfilter);
gdouble position;
gint border;
if (G_UNLIKELY (!smpte->process))
goto not_negotiated;
GST_OBJECT_LOCK (smpte);
position = smpte->position;
border = smpte->border;
/* run the type specific filter code */
smpte->process (smpte, in_frame, out_frame,
smpte->mask, border, ((1 << smpte->depth) + border) * position);
GST_OBJECT_UNLOCK (smpte);
return GST_FLOW_OK;
/* ERRORS */
not_negotiated:
{
GST_ELEMENT_ERROR (smpte, CORE, NEGOTIATION, (NULL),
("No input format negotiated"));
return GST_FLOW_NOT_NEGOTIATED;
}
}
static GstFlowReturn
gst_smpte_alpha_transform (GstBaseTransform * trans, GstBuffer * in,
GstBuffer * out)
{
GstSMPTEAlpha *smpte = GST_SMPTE_ALPHA (trans);
gdouble position;
gint border;
if (G_UNLIKELY (!smpte->process))
goto not_negotiated;
/* these are the propertis we update with only the object lock, others are
* only updated with the TRANSFORM_LOCK. */
GST_OBJECT_LOCK (smpte);
position = smpte->position;
border = smpte->border;
GST_OBJECT_UNLOCK (smpte);
/* run the type specific filter code */
smpte->process (smpte, GST_BUFFER_DATA (in), GST_BUFFER_DATA (out),
smpte->mask, smpte->width, smpte->height, border,
((1 << smpte->depth) + border) * position);
return GST_FLOW_OK;
/* ERRORS */
not_negotiated:
{
GST_ELEMENT_ERROR (smpte, CORE, NEGOTIATION, (NULL),
("No input format negotiated"));
return GST_FLOW_NOT_NEGOTIATED;
}
}