static GstFlowReturn
gst_video_balance_transform_frame_ip (GstVideoFilter * vfilter,
GstVideoFrame * frame)
{
GstVideoBalance *videobalance = GST_VIDEO_BALANCE (vfilter);
if (!videobalance->process)
goto not_negotiated;
GST_OBJECT_LOCK (videobalance);
videobalance->process (videobalance, frame);
GST_OBJECT_UNLOCK (videobalance);
return GST_FLOW_OK;
/* ERRORS */
not_negotiated:
{
GST_ERROR_OBJECT (videobalance, "Not negotiated yet");
return GST_FLOW_NOT_NEGOTIATED;
}
}
static GstFlowReturn
gst_video_balance_transform_ip (GstBaseTransform * base, GstBuffer * outbuf)
{
GstVideoBalance *videobalance = GST_VIDEO_BALANCE (base);
guint8 *data;
guint size;
if (!videobalance->process)
goto not_negotiated;
/* if no change is needed, we are done */
if (base->passthrough)
goto done;
data = GST_BUFFER_DATA (outbuf);
size = GST_BUFFER_SIZE (outbuf);
if (size != videobalance->size)
goto wrong_size;
GST_OBJECT_LOCK (videobalance);
videobalance->process (videobalance, data);
GST_OBJECT_UNLOCK (videobalance);
done:
return GST_FLOW_OK;
/* ERRORS */
wrong_size:
{
GST_ELEMENT_ERROR (videobalance, STREAM, FORMAT,
(NULL), ("Invalid buffer size %d, expected %d", size,
videobalance->size));
return GST_FLOW_ERROR;
}
not_negotiated:
GST_ERROR_OBJECT (videobalance, "Not negotiated yet");
return GST_FLOW_NOT_NEGOTIATED;
}