mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-27 12:11:13 +00:00
rtpstorage: Limit the queue size
Limit to the queue size in case there is no arrival time or in case there is a huge flood of packets.
This commit is contained in:
parent
0ecc52c2ee
commit
915a9c99bb
1 changed files with 44 additions and 0 deletions
|
@ -84,12 +84,56 @@ rtp_storage_stream_resize (RtpStorageStream * stream, GstClockTime size_time)
|
|||
}
|
||||
}
|
||||
|
||||
/* This algorithm corresponds to rtp_jitter_buffer_get_seqnum_diff(),
|
||||
* we want to keep the same number of packets in the worse case.
|
||||
*/
|
||||
|
||||
static guint16
|
||||
rtp_storage_stream_get_seqnum_diff (RtpStorageStream * stream)
|
||||
{
|
||||
guint32 high_seqnum, low_seqnum;
|
||||
RtpStorageItem *high_item, *low_item;
|
||||
guint16 result;
|
||||
|
||||
|
||||
high_item = (RtpStorageItem *) g_queue_peek_head (&stream->queue);
|
||||
low_item = (RtpStorageItem *) g_queue_peek_tail (&stream->queue);
|
||||
|
||||
if (!high_item || !low_item || high_item == low_item)
|
||||
return 0;
|
||||
|
||||
high_seqnum = high_item->seq;
|
||||
low_seqnum = low_item->seq;
|
||||
|
||||
/* it needs to work if seqnum wraps */
|
||||
if (high_seqnum >= low_seqnum) {
|
||||
result = (guint32) (high_seqnum - low_seqnum);
|
||||
} else {
|
||||
result = (guint32) (high_seqnum + G_MAXUINT16 + 1 - low_seqnum);
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
void
|
||||
rtp_storage_stream_resize_and_add_item (RtpStorageStream * stream,
|
||||
GstClockTime size_time, GstBuffer * buffer, guint8 pt, guint16 seq)
|
||||
{
|
||||
GstClockTime arrival_time = GST_BUFFER_DTS_OR_PTS (buffer);
|
||||
|
||||
/* These limits match those of the jittebuffer, we keep a couple more
|
||||
* packets to avoid races as it can be queried after the output of the
|
||||
* jitterbuffer.
|
||||
*/
|
||||
if (rtp_storage_stream_get_seqnum_diff (stream) >= 32765 ||
|
||||
stream->queue.length > 10100) {
|
||||
RtpStorageItem *item = g_queue_pop_tail (&stream->queue);
|
||||
|
||||
GST_WARNING ("Queue too big, removing pt=%d seq=%d for ssrc=%08x",
|
||||
item->pt, item->seq, stream->ssrc);
|
||||
|
||||
rtp_storage_item_free (item);
|
||||
}
|
||||
|
||||
if (G_LIKELY (GST_CLOCK_TIME_IS_VALID (arrival_time))) {
|
||||
if (G_LIKELY (GST_CLOCK_TIME_IS_VALID (stream->max_arrival_time)))
|
||||
stream->max_arrival_time = MAX (stream->max_arrival_time, arrival_time);
|
||||
|
|
Loading…
Reference in a new issue