static GstFlowReturn
gst_jp2k_decimator_sink_chain (GstPad * pad, GstObject * parent,
GstBuffer * inbuf)
{
GstJP2kDecimator *self = GST_JP2K_DECIMATOR (parent);
GstFlowReturn ret;
GstBuffer *outbuf = NULL;
GST_LOG_OBJECT (pad,
"Handling inbuf with timestamp %" GST_TIME_FORMAT " and duration %"
GST_TIME_FORMAT, GST_TIME_ARGS (GST_BUFFER_PTS (inbuf)),
GST_TIME_ARGS (GST_BUFFER_DURATION (inbuf)));
if (self->max_layers == 0 && self->max_decomposition_levels == -1) {
outbuf = inbuf;
inbuf = NULL;
ret = GST_FLOW_OK;
} else {
ret = gst_jp2k_decimator_decimate_jpc (self, inbuf, &outbuf);
}
if (G_UNLIKELY (ret != GST_FLOW_OK))
return ret;
ret = gst_pad_push (self->srcpad, outbuf);
return ret;
}
static gboolean
gst_jp2k_decimator_sink_setcaps (GstPad * pad, GstCaps * caps)
{
GstJP2kDecimator *self = GST_JP2K_DECIMATOR (gst_pad_get_parent (pad));
gboolean ret;
GST_DEBUG_OBJECT (pad, "Setting caps: %" GST_PTR_FORMAT, caps);
ret = gst_pad_set_caps (self->srcpad, caps);
gst_object_unref (self);
return ret;
}
static gboolean
gst_jp2k_decimator_event (GstPad * pad, GstEvent * event)
{
GstJP2kDecimator *self = GST_JP2K_DECIMATOR (gst_pad_get_parent (pad));
GstPad *otherpad;
gboolean ret;
GST_LOG_OBJECT (pad, "Got %s event", GST_EVENT_TYPE_NAME (event));
otherpad = (pad == self->srcpad) ? self->sinkpad : self->srcpad;
ret = gst_pad_push_event (otherpad, event);
gst_object_unref (self);
return ret;
}
static gboolean
gst_jp2k_decimator_query (GstPad * pad, GstQuery * query)
{
GstJP2kDecimator *self = GST_JP2K_DECIMATOR (gst_pad_get_parent (pad));
gboolean ret;
GstPad *otherpad;
otherpad = (pad == self->srcpad) ? self->sinkpad : self->srcpad;
GST_LOG_OBJECT (pad, "Handling query of type '%s'",
gst_query_type_get_name (GST_QUERY_TYPE (query)));
ret = gst_pad_peer_query (otherpad, query);
gst_object_unref (self);
return ret;
}
static void
gst_jp2k_decimator_get_property (GObject * object,
guint prop_id, GValue * value, GParamSpec * pspec)
{
GstJP2kDecimator *self = GST_JP2K_DECIMATOR (object);
switch (prop_id) {
case PROP_MAX_LAYERS:
g_value_set_int (value, self->max_layers);
break;
case PROP_MAX_DECOMPOSITION_LEVELS:
g_value_set_int (value, self->max_decomposition_levels);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static const GstQueryType *
gst_jp2k_decimator_query_type (GstPad * pad)
{
GstJP2kDecimator *self = GST_JP2K_DECIMATOR (gst_pad_get_parent (pad));
GstPad *otherpad, *peer;
const GstQueryType *types = NULL;
otherpad = (pad == self->srcpad) ? self->sinkpad : self->srcpad;
peer = gst_pad_get_peer (otherpad);
if (peer) {
types = gst_pad_get_query_types (peer);
gst_object_unref (peer);
}
gst_object_unref (self);
return types;
}
static GstCaps *
gst_jp2k_decimator_getcaps (GstPad * pad)
{
GstJP2kDecimator *self = GST_JP2K_DECIMATOR (gst_pad_get_parent (pad));
GstPad *otherpad;
GstCaps *tmp, *ret;
otherpad = (pad == self->srcpad) ? self->sinkpad : self->srcpad;
tmp = gst_pad_peer_get_caps_reffed (otherpad);
if (tmp) {
ret = gst_caps_intersect (tmp, gst_pad_get_pad_template_caps (pad));
gst_caps_unref (tmp);
} else {
ret = gst_caps_copy (gst_pad_get_pad_template_caps (pad));
}
gst_object_unref (self);
GST_LOG_OBJECT (pad, "Returning caps: %" GST_PTR_FORMAT, ret);
return ret;
}
