static gboolean gst_sctp_dec_src_event(GstPad *pad, GstSctpDec *self, GstEvent *event)
{
switch (GST_EVENT_TYPE(event)) {
case GST_EVENT_RECONFIGURE:
case GST_EVENT_FLUSH_STOP: {
GstSctpDecPad *sctpdec_pad = GST_SCTP_DEC_PAD(pad);
/* Unflush and start task again */
gst_data_queue_set_flushing(sctpdec_pad->packet_queue, FALSE);
gst_pad_start_task(pad, (GstTaskFunction)gst_sctp_data_srcpad_loop, pad, NULL);
return gst_pad_event_default(pad, GST_OBJECT(self), event);
}
case GST_EVENT_FLUSH_START: {
GstSctpDecPad *sctpdec_pad = GST_SCTP_DEC_PAD(pad);
gst_data_queue_set_flushing(sctpdec_pad->packet_queue, TRUE);
gst_data_queue_flush(sctpdec_pad->packet_queue);
return gst_pad_event_default(pad, GST_OBJECT(self), event);
}
default:
return gst_pad_event_default(pad, GST_OBJECT(self), event);
}
}
static void gst_sctp_data_srcpad_loop(GstPad *pad)
{
GstSctpDecPad *sctpdec_pad = GST_SCTP_DEC_PAD(pad);
GstDataQueueItem *item;
if (gst_data_queue_pop(sctpdec_pad->packet_queue, &item)) {
GstFlowReturn flow_ret;
flow_ret = gst_pad_push(pad, GST_BUFFER(item->object));
item->object = NULL;
if (G_UNLIKELY(flow_ret == GST_FLOW_FLUSHING || flow_ret == GST_FLOW_NOT_LINKED)) {
GST_DEBUG_OBJECT(pad, "Push failed on packet source pad. Error: %s", gst_flow_get_name(flow_ret));
} else if (G_UNLIKELY(flow_ret != GST_FLOW_OK)) {
GST_ERROR_OBJECT(pad, "Push failed on packet source pad. Error: %s", gst_flow_get_name(flow_ret));
}
if (G_UNLIKELY(flow_ret != GST_FLOW_OK)) {
GST_DEBUG_OBJECT(pad, "Pausing task because of an error");
gst_data_queue_set_flushing(sctpdec_pad->packet_queue, TRUE);
gst_data_queue_flush(sctpdec_pad->packet_queue);
gst_pad_pause_task(pad);
}
item->destroy(item);
} else {
GST_DEBUG_OBJECT(pad, "Pausing task because we're flushing");
gst_pad_pause_task(pad);
}
}
static void
splitmux_part_pad_finalize (GObject * obj)
{
GstSplitMuxPartPad *pad = (GstSplitMuxPartPad *) (obj);
GST_DEBUG_OBJECT (obj, "finalize");
gst_data_queue_set_flushing (pad->queue, TRUE);
gst_data_queue_flush (pad->queue);
gst_object_unref (GST_OBJECT_CAST (pad->queue));
pad->queue = NULL;
G_OBJECT_CLASS (gst_splitmux_part_pad_parent_class)->finalize (obj);
}
static void flush_srcpad(const GValue *item, gpointer user_data)
{
GstSctpDecPad *sctpdec_pad = g_value_get_object(item);
gboolean flush = GPOINTER_TO_INT(user_data);
if (flush) {
gst_data_queue_set_flushing(sctpdec_pad->packet_queue, TRUE);
gst_data_queue_flush(sctpdec_pad->packet_queue);
} else {
gst_data_queue_set_flushing(sctpdec_pad->packet_queue, FALSE);
gst_pad_start_task(GST_PAD(sctpdec_pad), (GstTaskFunction)gst_sctp_data_srcpad_loop, sctpdec_pad, NULL);
}
}
void
gst_splitmux_part_reader_set_flushing_locked (GstSplitMuxPartReader * reader,
gboolean flushing)
{
GList *cur;
GST_LOG_OBJECT (reader, "%s dataqueues",
flushing ? "Flushing" : "Done flushing");
for (cur = g_list_first (reader->pads); cur != NULL; cur = g_list_next (cur)) {
GstSplitMuxPartPad *part_pad = SPLITMUX_PART_PAD_CAST (cur->data);
gst_data_queue_set_flushing (part_pad->queue, flushing);
if (flushing)
gst_data_queue_flush (part_pad->queue);
}
};
static gboolean
splitmux_part_pad_event (GstPad * pad, GstObject * parent, GstEvent * event)
{
GstSplitMuxPartPad *part_pad = SPLITMUX_PART_PAD_CAST (pad);
GstSplitMuxPartReader *reader = part_pad->reader;
gboolean ret = TRUE;
SplitMuxSrcPad *target;
GstDataQueueItem *item;
SPLITMUX_PART_LOCK (reader);
target = gst_object_ref (part_pad->target);
GST_LOG_OBJECT (reader, "Pad %" GST_PTR_FORMAT " event %" GST_PTR_FORMAT, pad,
event);
if (part_pad->flushing && GST_EVENT_TYPE (event) != GST_EVENT_FLUSH_STOP)
goto drop_event;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_SEGMENT:{
GstSegment *seg = &part_pad->segment;
GST_LOG_OBJECT (pad, "Received segment %" GST_PTR_FORMAT, event);
gst_event_copy_segment (event, seg);
gst_event_copy_segment (event, &part_pad->orig_segment);
if (seg->format != GST_FORMAT_TIME)
goto wrong_segment;
/* Adjust segment */
/* Adjust start/stop so the overall file is 0 + start_offset based */
if (seg->stop != -1) {
seg->stop -= seg->start;
seg->stop += seg->time + reader->start_offset;
}
seg->start = seg->time + reader->start_offset;
seg->time += reader->start_offset;
seg->position += reader->start_offset;
GST_LOG_OBJECT (pad, "Adjusted segment now %" GST_PTR_FORMAT, event);
/* Replace event */
gst_event_unref (event);
event = gst_event_new_segment (seg);
if (reader->prep_state != PART_STATE_PREPARING_COLLECT_STREAMS
&& reader->prep_state != PART_STATE_PREPARING_MEASURE_STREAMS)
break; /* Only do further stuff with segments during initial measuring */
/* Take the first segment from the first part */
if (target->segment.format == GST_FORMAT_UNDEFINED) {
gst_segment_copy_into (seg, &target->segment);
GST_DEBUG_OBJECT (reader,
"Target pad segment now %" GST_SEGMENT_FORMAT, &target->segment);
}
if (seg->stop != -1 && target->segment.stop != -1) {
GstClockTime stop = seg->base + seg->stop;
if (stop > target->segment.stop) {
target->segment.stop = stop;
GST_DEBUG_OBJECT (reader,
"Adjusting segment stop by %" GST_TIME_FORMAT
" output now %" GST_SEGMENT_FORMAT,
GST_TIME_ARGS (reader->start_offset), &target->segment);
}
}
GST_LOG_OBJECT (pad, "Forwarding segment %" GST_PTR_FORMAT, event);
break;
}
case GST_EVENT_EOS:{
GST_DEBUG_OBJECT (part_pad,
"State %u EOS event. MaxTS seen %" GST_TIME_FORMAT,
reader->prep_state, GST_TIME_ARGS (part_pad->max_ts));
if (reader->prep_state == PART_STATE_PREPARING_COLLECT_STREAMS ||
reader->prep_state == PART_STATE_PREPARING_MEASURE_STREAMS) {
/* Mark this pad as EOS */
part_pad->is_eos = TRUE;
if (splitmux_part_is_eos_locked (reader)) {
/* Finished measuring things, set state and tell the state change func
* so it can seek back to the start */
GST_LOG_OBJECT (reader,
"EOS while measuring streams. Resetting for ready");
reader->prep_state = PART_STATE_PREPARING_RESET_FOR_READY;
SPLITMUX_PART_BROADCAST (reader);
}
goto drop_event;
}
break;
}
case GST_EVENT_FLUSH_START:
reader->flushing = TRUE;
part_pad->flushing = TRUE;
GST_LOG_OBJECT (reader, "Pad %" GST_PTR_FORMAT " flushing dataqueue",
part_pad);
gst_data_queue_set_flushing (part_pad->queue, TRUE);
SPLITMUX_PART_BROADCAST (reader);
break;
case GST_EVENT_FLUSH_STOP:{
gst_data_queue_set_flushing (part_pad->queue, FALSE);
gst_data_queue_flush (part_pad->queue);
part_pad->seen_buffer = FALSE;
part_pad->flushing = FALSE;
part_pad->is_eos = FALSE;
reader->flushing = splitmux_is_flushing (reader);
GST_LOG_OBJECT (reader,
"%s pad %" GST_PTR_FORMAT " flush_stop. Overall flushing=%d",
reader->path, pad, reader->flushing);
SPLITMUX_PART_BROADCAST (reader);
break;
}
default:
break;
}
/* Don't send events downstream while preparing */
if (reader->prep_state != PART_STATE_READY)
goto drop_event;
/* Don't pass flush events - those are done by the parent */
if (GST_EVENT_TYPE (event) == GST_EVENT_FLUSH_START ||
GST_EVENT_TYPE (event) == GST_EVENT_FLUSH_STOP)
goto drop_event;
if (!block_until_can_push (reader)) {
SPLITMUX_PART_UNLOCK (reader);
gst_object_unref (target);
gst_event_unref (event);
return FALSE;
}
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_GAP:{
/* FIXME: Drop initial gap (if any) in each segment, not all GAPs */
goto drop_event;
}
default:
break;
}
/* We are active, and one queue is empty, place this buffer in
* the dataqueue */
gst_object_ref (part_pad->queue);
SPLITMUX_PART_UNLOCK (reader);
GST_LOG_OBJECT (reader, "Enqueueing event %" GST_PTR_FORMAT, event);
item = g_slice_new (GstDataQueueItem);
item->destroy = (GDestroyNotify) splitmux_part_free_queue_item;
item->object = GST_MINI_OBJECT (event);
item->size = 0;
item->duration = 0;
if (item->duration == GST_CLOCK_TIME_NONE)
item->duration = 0;
item->visible = FALSE;
if (!gst_data_queue_push (part_pad->queue, item)) {
splitmux_part_free_queue_item (item);
ret = FALSE;
}
gst_object_unref (part_pad->queue);
gst_object_unref (target);
return ret;
wrong_segment:
gst_event_unref (event);
gst_object_unref (target);
SPLITMUX_PART_UNLOCK (reader);
GST_ELEMENT_ERROR (reader, STREAM, FAILED, (NULL),
("Received non-time segment - reader %s pad %" GST_PTR_FORMAT,
reader->path, pad));
return FALSE;
drop_event:
GST_LOG_OBJECT (pad, "Dropping event %" GST_PTR_FORMAT
" from %" GST_PTR_FORMAT " on %" GST_PTR_FORMAT, event, pad, target);
gst_event_unref (event);
gst_object_unref (target);
SPLITMUX_PART_UNLOCK (reader);
return TRUE;
}
