static gboolean
gst_interleave_src_event (GstPad * pad, GstEvent * event)
{
GstInterleave *self = GST_INTERLEAVE (gst_pad_get_parent (pad));
gboolean result;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_QOS:
/* QoS might be tricky */
result = FALSE;
break;
case GST_EVENT_SEEK:
{
GstSeekFlags flags;
GstSeekType curtype;
gint64 cur;
/* parse the seek parameters */
gst_event_parse_seek (event, &self->segment_rate, NULL, &flags, &curtype,
&cur, NULL, NULL);
/* check if we are flushing */
if (flags & GST_SEEK_FLAG_FLUSH) {
/* make sure we accept nothing anymore and return WRONG_STATE */
gst_collect_pads_set_flushing (self->collect, TRUE);
/* flushing seek, start flush downstream, the flush will be done
* when all pads received a FLUSH_STOP. */
gst_pad_push_event (self->src, gst_event_new_flush_start ());
}
/* now wait for the collected to be finished and mark a new
* segment */
GST_OBJECT_LOCK (self->collect);
if (curtype == GST_SEEK_TYPE_SET)
self->segment_position = cur;
else
self->segment_position = 0;
self->segment_pending = TRUE;
GST_OBJECT_UNLOCK (self->collect);
result = forward_event (self, event);
break;
}
case GST_EVENT_NAVIGATION:
/* navigation is rather pointless. */
result = FALSE;
break;
default:
/* just forward the rest for now */
result = forward_event (self, event);
break;
}
gst_object_unref (self);
return result;
}
static gboolean
gst_frei0r_mixer_src_event (GstPad * pad, GstEvent * event)
{
GstFrei0rMixer *self = GST_FREI0R_MIXER (gst_pad_get_parent (pad));
gboolean ret = FALSE;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_QOS:
/* QoS might be tricky */
ret = FALSE;
break;
case GST_EVENT_SEEK:
{
GstSeekFlags flags;
/* parse the seek parameters */
gst_event_parse_seek (event, NULL, NULL, &flags, NULL, NULL, NULL, NULL);
/* check if we are flushing */
if (flags & GST_SEEK_FLAG_FLUSH) {
/* make sure we accept nothing anymore and return WRONG_STATE */
gst_collect_pads_set_flushing (self->collect, TRUE);
/* flushing seek, start flush downstream, the flush will be done
* when all pads received a FLUSH_STOP. */
gst_pad_push_event (self->src, gst_event_new_flush_start ());
}
ret = forward_event (self, event);
break;
}
case GST_EVENT_NAVIGATION:
/* navigation is rather pointless. */
ret = FALSE;
break;
default:
/* just forward the rest for now */
ret = forward_event (self, event);
break;
}
gst_object_unref (self);
return ret;
}
static gboolean
gst_frei0r_mixer_src_event (GstPad * pad, GstObject * object, GstEvent * event)
{
GstFrei0rMixer *self = GST_FREI0R_MIXER (object);
gboolean ret = FALSE;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_QOS:
/* QoS might be tricky */
ret = FALSE;
break;
case GST_EVENT_SEEK:
{
GstSeekFlags flags;
/* parse the seek parameters */
gst_event_parse_seek (event, NULL, NULL, &flags, NULL, NULL, NULL, NULL);
/* check if we are flushing */
if (flags & GST_SEEK_FLAG_FLUSH) {
/* make sure we accept nothing anymore and return WRONG_STATE */
gst_collect_pads_set_flushing (self->collect, TRUE);
/* flushing seek, start flush downstream, the flush will be done
* when all pads received a FLUSH_STOP. */
gst_pad_push_event (self->src, gst_event_new_flush_start ());
}
ret = gst_pad_event_default (pad, GST_OBJECT (self), event);
break;
}
default:
ret = gst_pad_event_default (pad, GST_OBJECT (self), event);
break;
}
return ret;
}
static gboolean
gst_adder_src_event (GstPad * pad, GstObject * parent, GstEvent * event)
{
GstAdder *adder;
gboolean result;
adder = GST_ADDER (parent);
GST_DEBUG_OBJECT (pad, "Got %s event on src pad",
GST_EVENT_TYPE_NAME (event));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_SEEK:
{
GstSeekFlags flags;
gdouble rate;
GstSeekType start_type, stop_type;
gint64 start, stop;
GstFormat seek_format, dest_format;
gboolean flush;
/* parse the seek parameters */
gst_event_parse_seek (event, &rate, &seek_format, &flags, &start_type,
&start, &stop_type, &stop);
if ((start_type != GST_SEEK_TYPE_NONE)
&& (start_type != GST_SEEK_TYPE_SET)) {
result = FALSE;
GST_DEBUG_OBJECT (adder,
"seeking failed, unhandled seek type for start: %d", start_type);
goto done;
}
if ((stop_type != GST_SEEK_TYPE_NONE) && (stop_type != GST_SEEK_TYPE_SET)) {
result = FALSE;
GST_DEBUG_OBJECT (adder,
"seeking failed, unhandled seek type for end: %d", stop_type);
goto done;
}
dest_format = adder->segment.format;
if (seek_format != dest_format) {
result = FALSE;
GST_DEBUG_OBJECT (adder,
"seeking failed, unhandled seek format: %d", seek_format);
goto done;
}
flush = (flags & GST_SEEK_FLAG_FLUSH) == GST_SEEK_FLAG_FLUSH;
/* check if we are flushing */
if (flush) {
/* flushing seek, start flush downstream, the flush will be done
* when all pads received a FLUSH_STOP.
* Make sure we accept nothing anymore and return WRONG_STATE.
* We send a flush-start before, to ensure no streaming is done
* as we need to take the stream lock.
*/
gst_pad_push_event (adder->srcpad, gst_event_new_flush_start ());
gst_collect_pads_set_flushing (adder->collect, TRUE);
/* We can't send FLUSH_STOP here since upstream could start pushing data
* after we unlock adder->collect.
* We set flush_stop_pending to TRUE instead and send FLUSH_STOP after
* forwarding the seek upstream or from gst_adder_collected,
* whichever happens first.
*/
GST_COLLECT_PADS_STREAM_LOCK (adder->collect);
adder->flush_stop_pending = TRUE;
GST_COLLECT_PADS_STREAM_UNLOCK (adder->collect);
GST_DEBUG_OBJECT (adder, "mark pending flush stop event");
}
GST_DEBUG_OBJECT (adder, "handling seek event: %" GST_PTR_FORMAT, event);
/* now wait for the collected to be finished and mark a new
* segment. After we have the lock, no collect function is running and no
* new collect function will be called for as long as we're flushing. */
GST_COLLECT_PADS_STREAM_LOCK (adder->collect);
/* clip position and update our segment */
if (adder->segment.stop != -1) {
adder->segment.position = adder->segment.stop;
}
gst_segment_do_seek (&adder->segment, rate, seek_format, flags,
start_type, start, stop_type, stop, NULL);
if (flush) {
/* Yes, we need to call _set_flushing again *WHEN* the streaming threads
* have stopped so that the cookie gets properly updated. */
gst_collect_pads_set_flushing (adder->collect, TRUE);
}
GST_COLLECT_PADS_STREAM_UNLOCK (adder->collect);
GST_DEBUG_OBJECT (adder, "forwarding seek event: %" GST_PTR_FORMAT,
event);
GST_DEBUG_OBJECT (adder, "updated segment: %" GST_SEGMENT_FORMAT,
&adder->segment);
/* we're forwarding seek to all upstream peers and wait for one to reply
* with a newsegment-event before we send a newsegment-event downstream */
g_atomic_int_set (&adder->new_segment_pending, TRUE);
result = forward_event (adder, event, flush);
if (!result) {
/* seek failed. maybe source is a live source. */
GST_DEBUG_OBJECT (adder, "seeking failed");
}
if (g_atomic_int_compare_and_exchange (&adder->flush_stop_pending,
TRUE, FALSE)) {
GST_DEBUG_OBJECT (adder, "pending flush stop");
if (!gst_pad_push_event (adder->srcpad,
gst_event_new_flush_stop (TRUE))) {
GST_WARNING_OBJECT (adder, "Sending flush stop event failed");
}
}
break;
}
case GST_EVENT_QOS:
/* QoS might be tricky */
result = FALSE;
gst_event_unref (event);
break;
case GST_EVENT_NAVIGATION:
/* navigation is rather pointless. */
result = FALSE;
gst_event_unref (event);
break;
default:
/* just forward the rest for now */
GST_DEBUG_OBJECT (adder, "forward unhandled event: %s",
GST_EVENT_TYPE_NAME (event));
result = forward_event (adder, event, FALSE);
break;
}
done:
return result;
}
static gboolean
gst_adder_src_event (GstPad * pad, GstEvent * event)
{
GstAdder *adder;
gboolean result;
adder = GST_ADDER (gst_pad_get_parent (pad));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_SEEK:
{
GstSeekFlags flags;
GstSeekType curtype, endtype;
gint64 cur, end;
gboolean flush;
/* parse the seek parameters */
gst_event_parse_seek (event, &adder->segment_rate, NULL, &flags, &curtype,
&cur, &endtype, &end);
if ((curtype != GST_SEEK_TYPE_NONE) && (curtype != GST_SEEK_TYPE_SET)) {
result = FALSE;
GST_DEBUG_OBJECT (adder,
"seeking failed, unhandled seek type for start: %d", curtype);
goto done;
}
if ((endtype != GST_SEEK_TYPE_NONE) && (endtype != GST_SEEK_TYPE_SET)) {
result = FALSE;
GST_DEBUG_OBJECT (adder,
"seeking failed, unhandled seek type for end: %d", endtype);
goto done;
}
flush = (flags & GST_SEEK_FLAG_FLUSH) == GST_SEEK_FLAG_FLUSH;
/* check if we are flushing */
if (flush) {
/* make sure we accept nothing anymore and return WRONG_STATE */
gst_collect_pads_set_flushing (adder->collect, TRUE);
/* flushing seek, start flush downstream, the flush will be done
* when all pads received a FLUSH_STOP. */
gst_pad_push_event (adder->srcpad, gst_event_new_flush_start ());
/* We can't send FLUSH_STOP here since upstream could start pushing data
* after we unlock adder->collect.
* We set flush_stop_pending to TRUE instead and send FLUSH_STOP after
* forwarding the seek upstream or from gst_adder_collected,
* whichever happens first.
*/
adder->flush_stop_pending = TRUE;
}
GST_DEBUG_OBJECT (adder, "handling seek event: %" GST_PTR_FORMAT, event);
/* now wait for the collected to be finished and mark a new
* segment. After we have the lock, no collect function is running and no
* new collect function will be called for as long as we're flushing. */
GST_OBJECT_LOCK (adder->collect);
if (curtype == GST_SEEK_TYPE_SET)
adder->segment_start = cur;
else
adder->segment_start = 0;
if (endtype == GST_SEEK_TYPE_SET)
adder->segment_end = end;
else
adder->segment_end = GST_CLOCK_TIME_NONE;
/* make sure we push a new segment, to inform about new basetime
* see FIXME in gst_adder_collected() */
adder->segment_pending = TRUE;
if (flush) {
/* Yes, we need to call _set_flushing again *WHEN* the streaming threads
* have stopped so that the cookie gets properly updated. */
gst_collect_pads_set_flushing (adder->collect, TRUE);
}
GST_OBJECT_UNLOCK (adder->collect);
GST_DEBUG_OBJECT (adder, "forwarding seek event: %" GST_PTR_FORMAT,
event);
result = forward_event (adder, event, flush);
if (!result) {
/* seek failed. maybe source is a live source. */
GST_DEBUG_OBJECT (adder, "seeking failed");
}
if (g_atomic_int_compare_and_exchange (&adder->flush_stop_pending,
TRUE, FALSE)) {
GST_DEBUG_OBJECT (adder, "pending flush stop");
gst_pad_push_event (adder->srcpad, gst_event_new_flush_stop ());
}
break;
}
case GST_EVENT_QOS:
/* QoS might be tricky */
result = FALSE;
break;
case GST_EVENT_NAVIGATION:
/* navigation is rather pointless. */
result = FALSE;
break;
default:
/* just forward the rest for now */
GST_DEBUG_OBJECT (adder, "forward unhandled event: %s",
GST_EVENT_TYPE_NAME (event));
result = forward_event (adder, event, FALSE);
break;
}
done:
gst_object_unref (adder);
return result;
}
