static GstStateChangeReturn
fs_funnel_change_state (GstElement *element, GstStateChange transition)
{
FsFunnel *funnel = FS_FUNNEL (element);
GstStateChangeReturn ret;
switch (transition) {
case GST_STATE_CHANGE_READY_TO_PAUSED:
{
GstIterator *iter = gst_element_iterate_sink_pads (element);
GstIteratorResult res;
do {
res = gst_iterator_foreach (iter, reset_pad, NULL);
} while (res == GST_ITERATOR_RESYNC);
gst_iterator_free (iter);
if (res == GST_ITERATOR_ERROR)
return GST_STATE_CHANGE_FAILURE;
GST_OBJECT_LOCK (funnel);
funnel->has_segment = FALSE;
GST_OBJECT_UNLOCK (funnel);
}
break;
default:
break;
}
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
return ret;
}
static GstFlowReturn
fs_funnel_buffer_alloc (GstPad * pad, guint64 offset, guint size,
GstCaps * caps, GstBuffer ** buf)
{
FsFunnel *funnel = FS_FUNNEL (gst_pad_get_parent_element (pad));
GstFlowReturn ret = GST_FLOW_OK;
ret = gst_pad_alloc_buffer (funnel->srcpad, offset, size, caps, buf);
gst_object_unref (funnel);
return ret;
}
static gboolean
fs_funnel_event (GstPad * pad, GstEvent * event)
{
FsFunnel *funnel = FS_FUNNEL (gst_pad_get_parent (pad));
FsFunnelPadPrivate *priv = gst_pad_get_element_private (pad);
gboolean forward = TRUE;
gboolean res = TRUE;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_NEWSEGMENT:
{
gboolean update;
gdouble rate, arate;
GstFormat format;
gint64 start;
gint64 stop;
gint64 time;
gst_event_parse_new_segment_full (event, &update, &rate, &arate,
&format, &start, &stop, &time);
GST_OBJECT_LOCK (funnel);
gst_segment_set_newsegment_full (&priv->segment, update, rate, arate,
format, start, stop, time);
GST_OBJECT_UNLOCK (funnel);
forward = FALSE;
gst_event_unref (event);
}
break;
case GST_EVENT_FLUSH_STOP:
{
GST_OBJECT_LOCK (funnel);
gst_segment_init (&priv->segment, GST_FORMAT_UNDEFINED);
GST_OBJECT_UNLOCK (funnel);
}
break;
default:
break;
}
if (forward)
res = gst_pad_push_event (funnel->srcpad, event);
gst_object_unref (funnel);
return res;
}
static GstCaps*
fs_funnel_getcaps (GstPad * pad)
{
FsFunnel *funnel = FS_FUNNEL (gst_pad_get_parent (pad));
GstCaps *caps;
caps = gst_pad_peer_get_caps (funnel->srcpad);
if (caps == NULL)
caps = gst_caps_copy (gst_pad_get_pad_template_caps (pad));
gst_object_unref (funnel);
return caps;
}
static void
fs_funnel_release_pad (GstElement * element, GstPad * pad)
{
FsFunnel *funnel = FS_FUNNEL (element);
FsFunnelPadPrivate *priv = gst_pad_get_element_private (pad);
GST_DEBUG_OBJECT (funnel, "releasing pad");
gst_pad_set_active (pad, FALSE);
if (priv)
g_slice_free1 (sizeof(FsFunnelPadPrivate), priv);
gst_element_remove_pad (GST_ELEMENT_CAST (funnel), pad);
}
static GstFlowReturn
fs_funnel_chain (GstPad * pad, GstBuffer * buffer)
{
GstFlowReturn res;
FsFunnel *funnel = FS_FUNNEL (gst_pad_get_parent (pad));
FsFunnelPadPrivate *priv = gst_pad_get_element_private (pad);
GstEvent *event = NULL;
GstClockTime newts;
GstCaps *padcaps;
GST_DEBUG_OBJECT (funnel, "received buffer %p", buffer);
GST_OBJECT_LOCK (funnel);
if (priv->segment.format == GST_FORMAT_UNDEFINED) {
GST_WARNING_OBJECT (funnel, "Got buffer without segment,"
" setting segment [0,inf[");
gst_segment_set_newsegment_full (&priv->segment, FALSE, 1.0, 1.0,
GST_FORMAT_TIME, 0, -1, 0);
}
if (GST_CLOCK_TIME_IS_VALID (GST_BUFFER_TIMESTAMP (buffer)))
gst_segment_set_last_stop (&priv->segment, priv->segment.format,
GST_BUFFER_TIMESTAMP (buffer));
newts = gst_segment_to_running_time (&priv->segment,
priv->segment.format, GST_BUFFER_TIMESTAMP (buffer));
if (newts != GST_BUFFER_TIMESTAMP (buffer)) {
buffer = gst_buffer_make_metadata_writable (buffer);
GST_BUFFER_TIMESTAMP (buffer) = newts;
}
if (!funnel->has_segment)
{
event = gst_event_new_new_segment_full (FALSE, 1.0, 1.0, GST_FORMAT_TIME,
0, -1, 0);
funnel->has_segment = TRUE;
}
GST_OBJECT_UNLOCK (funnel);
if (event) {
if (!gst_pad_push_event (funnel->srcpad, event))
GST_WARNING_OBJECT (funnel, "Could not push out newsegment event");
}
GST_OBJECT_LOCK (pad);
padcaps = GST_PAD_CAPS (funnel->srcpad);
GST_OBJECT_UNLOCK (pad);
if (GST_BUFFER_CAPS (buffer) && GST_BUFFER_CAPS (buffer) != padcaps) {
if (!gst_pad_set_caps (funnel->srcpad, GST_BUFFER_CAPS (buffer))) {
res = GST_FLOW_NOT_NEGOTIATED;
goto out;
}
}
res = gst_pad_push (funnel->srcpad, buffer);
GST_LOG_OBJECT (funnel, "handled buffer %s", gst_flow_get_name (res));
out:
gst_object_unref (funnel);
return res;
}
