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jitterbuffer: assume a full buffer when eos

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Rework the logic to make buffering messages a little, make sure we
don't make the same message multiple times.
Consider the buffer full when EOS was received.

Fixes https://bugzilla.gnome.org/show_bug.cgi?id=728017
This commit is contained in:
Wim Taymans 2014-04-18 04:23:26 +02:00
parent 2149d5a9bd
commit 42cfedde7f
1 changed files with 27 additions and 23 deletions
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50
gst/rtpmanager/gstrtpjitterbuffer.c
View file

@ -275,6 +275,7 @@ struct _GstRtpJitterBufferPrivate
/* state */
gboolean eos;
guint last_percent;
/* clock rate and rtp timestamp offset */
gint last_pt;
@ -1565,31 +1566,32 @@ parse_failed:
}
/* call with jbuf lock held */
static void
check_buffering_percent (GstRtpJitterBuffer * jitterbuffer, gint * percent)
static GstMessage *
check_buffering_percent (GstRtpJitterBuffer * jitterbuffer, gint percent)
{
GstRtpJitterBufferPrivate *priv = jitterbuffer->priv;
GstMessage *message = NULL;
/* too short a stream, or too close to EOS will never really fill buffer */
if (*percent != -1 && priv->npt_stop != -1 &&
priv->npt_stop - priv->npt_start <=
rtp_jitter_buffer_get_delay (priv->jbuf)) {
if (percent == -1)
return NULL;
if (priv->eos || (priv->npt_stop != -1 &&
priv->npt_stop - priv->npt_start <=
rtp_jitter_buffer_get_delay (priv->jbuf))) {
GST_DEBUG_OBJECT (jitterbuffer, "short stream; faking full buffer");
rtp_jitter_buffer_set_buffering (priv->jbuf, FALSE);
*percent = 100;
percent = 100;
}
}
static void
post_buffering_percent (GstRtpJitterBuffer * jitterbuffer, gint percent)
{
GstMessage *message;
/* Post a buffering message */
message = gst_message_new_buffering (GST_OBJECT_CAST (jitterbuffer), percent);
gst_message_set_buffering_stats (message, GST_BUFFERING_LIVE, -1, -1, -1);
if (priv->last_percent != percent) {
priv->last_percent = percent;
message =
gst_message_new_buffering (GST_OBJECT_CAST (jitterbuffer), percent);
gst_message_set_buffering_stats (message, GST_BUFFERING_LIVE, -1, -1, -1);
}
gst_element_post_message (GST_ELEMENT_CAST (jitterbuffer), message);
return message;
}
static GstClockTime
@ -2087,6 +2089,7 @@ gst_rtp_jitter_buffer_chain (GstPad * pad, GstObject * parent,
GstRTPBuffer rtp = GST_RTP_BUFFER_INIT;
gboolean do_next_seqnum = FALSE;
RTPJitterBufferItem *item;
GstMessage *msg = NULL;
jitterbuffer = GST_RTP_JITTER_BUFFER (parent);
@ -2294,13 +2297,13 @@ gst_rtp_jitter_buffer_chain (GstPad * pad, GstObject * parent,
GST_DEBUG_OBJECT (jitterbuffer, "Pushed packet #%d, now %d packets, tail: %d",
seqnum, rtp_jitter_buffer_num_packets (priv->jbuf), tail);
check_buffering_percent (jitterbuffer, &percent);
msg = check_buffering_percent (jitterbuffer, percent);
finished:
JBUF_UNLOCK (priv);
if (percent != -1)
post_buffering_percent (jitterbuffer, percent);
if (msg)
gst_element_post_message (GST_ELEMENT_CAST (jitterbuffer), msg);
return ret;
@ -2440,6 +2443,7 @@ pop_and_push_next (GstRtpJitterBuffer * jitterbuffer, guint seqnum)
gint percent = -1;
gboolean do_push = TRUE;
guint type;
GstMessage *msg;
/* when we get here we are ready to pop and push the buffer */
item = rtp_jitter_buffer_pop (priv->jbuf, &percent);
@ -2447,7 +2451,6 @@ pop_and_push_next (GstRtpJitterBuffer * jitterbuffer, guint seqnum)
switch (type) {
case ITEM_TYPE_BUFFER:
check_buffering_percent (jitterbuffer, &percent);
/* we need to make writable to change the flags and timestamps */
outbuf = gst_buffer_make_writable (item->data);
@ -2497,17 +2500,18 @@ pop_and_push_next (GstRtpJitterBuffer * jitterbuffer, guint seqnum)
priv->last_popped_seqnum = seqnum;
priv->next_seqnum = (seqnum + item->count) & 0xffff;
}
msg = check_buffering_percent (jitterbuffer, percent);
JBUF_UNLOCK (priv);
item->data = NULL;
free_item (item);
if (msg)
gst_element_post_message (GST_ELEMENT_CAST (jitterbuffer), msg);
switch (type) {
case ITEM_TYPE_BUFFER:
/* push buffer */
if (percent != -1)
post_buffering_percent (jitterbuffer, percent);
GST_DEBUG_OBJECT (jitterbuffer,
"Pushing buffer %d, dts %" GST_TIME_FORMAT ", pts %" GST_TIME_FORMAT,
seqnum, GST_TIME_ARGS (GST_BUFFER_DTS (outbuf)),