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rtpst2022-1-fecenc: Drain column packets on EOS

Browse source 
Otherwise we won't send the protection packets for the last few
packets when a stream ends.

Also send EOS on the FEC src row pad immediately, and on the FEC src
column pad after draining is complete. This makes it so that the FEC
src pads on rtpbin behave the same way as the RTCP src pads on rtpbin
when EOS is received on the send_rtp_sink pad.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2874>
This commit is contained in:
Nirbheek Chauhan 2022-08-12 02:20:40 +05:30 committed by Tim-Philipp Müller
parent e237ed08ac
commit d6955cc227
1 changed files with 44 additions and 25 deletions
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69
subprojects/gst-plugins-good/gst/rtpmanager/gstrtpst2022-1-fecenc.c
View file

@ -387,6 +387,31 @@ queue_fec_packet (GstRTPST_2022_1_FecEnc * enc, FecPacket * fec, gboolean row)
}
}
static void
gst_2d_fec_push_item_unlocked (GstRTPST_2022_1_FecEnc * enc)
{
GstFlowReturn ret;
GstRTPBuffer rtp = GST_RTP_BUFFER_INIT;
Item *item = g_queue_pop_head (&enc->queued_column_packets);
GST_LOG_OBJECT (enc,
"Pushing column FEC packet, target media seq: %u, seq base: %u, "
"media seqnum: %u", item->target_media_seq, item->seq_base,
enc->last_media_seqnum);
gst_rtp_buffer_map (item->buffer, GST_MAP_WRITE, &rtp);
gst_rtp_buffer_set_timestamp (&rtp, enc->last_media_timestamp);
gst_rtp_buffer_unmap (&rtp);
GST_OBJECT_UNLOCK (enc);
ret = gst_pad_push (enc->column_fec_srcpad, gst_buffer_ref (item->buffer));
GST_OBJECT_LOCK (enc);
if (ret != GST_FLOW_OK && ret != GST_FLOW_FLUSHING)
GST_WARNING_OBJECT (enc->column_fec_srcpad,
"Failed to push column FEC packet: %s", gst_flow_get_name (ret));
free_item (item);
}
static GstFlowReturn
gst_rtpst_2022_1_fecenc_sink_chain (GstPad * pad, GstObject * parent,
GstBuffer * buffer)
@ -453,31 +478,12 @@ gst_rtpst_2022_1_fecenc_sink_chain (GstPad * pad, GstObject * parent,
gst_rtp_buffer_unmap (&rtp);
if (g_queue_get_length (&enc->queued_column_packets) > 0) {
{
Item *item = g_queue_peek_head (&enc->queued_column_packets);
if (item->target_media_seq == enc->last_media_seqnum) {
GstRTPBuffer rtp = GST_RTP_BUFFER_INIT;
g_queue_pop_head (&enc->queued_column_packets);
GST_LOG_OBJECT (enc,
"Pushing column FEC packet, seq base: %u, media seqnum: %u",
item->seq_base, enc->last_media_seqnum);
gst_rtp_buffer_map (item->buffer, GST_MAP_WRITE, &rtp);
gst_rtp_buffer_set_timestamp (&rtp, enc->last_media_timestamp);
gst_rtp_buffer_unmap (&rtp);
GST_OBJECT_UNLOCK (enc);
ret =
gst_pad_push (enc->column_fec_srcpad, gst_buffer_ref (item->buffer));
GST_OBJECT_LOCK (enc);
if (ret != GST_FLOW_OK && ret != GST_FLOW_FLUSHING)
GST_WARNING_OBJECT (enc->column_fec_srcpad,
"Failed to push column FEC packet: %s", gst_flow_get_name (ret));
free_item (item);
}
if (item && item->target_media_seq == enc->last_media_seqnum)
gst_2d_fec_push_item_unlocked (enc);
}
GST_OBJECT_UNLOCK (enc);
ret = gst_pad_push (enc->srcpad, buffer);
@ -699,8 +705,21 @@ gst_2d_fec_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
GstRTPST_2022_1_FecEnc *enc = GST_RTPST_2022_1_FECENC_CAST (parent);
gboolean ret;
if (GST_EVENT_TYPE (event) == GST_EVENT_FLUSH_STOP)
gst_rtpst_2022_1_fecenc_reset (enc, TRUE);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_FLUSH_STOP:
gst_rtpst_2022_1_fecenc_reset (enc, TRUE);
break;
case GST_EVENT_EOS:
gst_pad_push_event (enc->row_fec_srcpad, gst_event_ref (event));
GST_OBJECT_LOCK (enc);
while (g_queue_peek_head (&enc->queued_column_packets))
gst_2d_fec_push_item_unlocked (enc);
GST_OBJECT_UNLOCK (enc);
gst_pad_push_event (enc->column_fec_srcpad, gst_event_ref (event));
break;
default:
break;
}
ret = gst_pad_event_default (pad, parent, event);