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jitterbuffer: more estimated EOS fixes

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Do more accurate EOS estimate and guard against backward timestamps.
This commit is contained in:
Wim Taymans 2009-04-15 17:28:56 +02:00
parent 87da61f965
commit f7af854c28
1 changed files with 18 additions and 6 deletions
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24
gst/rtpmanager/gstrtpjitterbuffer.c
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@ -786,6 +786,10 @@ gst_rtp_jitter_buffer_flush_stop (GstRtpJitterBuffer * jitterbuffer)
priv->next_in_seqnum = -1;
priv->clock_rate = -1;
priv->eos = FALSE;
priv->estimated_eos = -1;
priv->last_elapsed = 0;
priv->reached_npt_stop = FALSE;
priv->ext_timestamp = -1;
GST_DEBUG_OBJECT (jitterbuffer, "flush and reset jitterbuffer");
rtp_jitter_buffer_flush (priv->jbuf);
rtp_jitter_buffer_reset_skew (priv->jbuf);
@ -842,10 +846,6 @@ gst_rtp_jitter_buffer_change_state (GstElement * element,
/* reset negotiated values */
priv->clock_rate = -1;
priv->clock_base = -1;
priv->last_elapsed = 0;
priv->estimated_eos = -1;
priv->reached_npt_stop = FALSE;
priv->ext_timestamp = -1;
priv->peer_latency = 0;
priv->last_pt = -1;
/* block until we go to PLAYING */
@ -1606,7 +1606,15 @@ push_buffer:
rtp_time = gst_rtp_buffer_get_timestamp (outbuf);
ext_time = gst_rtp_buffer_ext_timestamp (&priv->ext_timestamp, rtp_time);
GST_LOG_OBJECT (jitterbuffer, "rtp %" G_GUINT32_FORMAT ", ext %"
G_GUINT64_FORMAT, rtp_time, priv->ext_timestamp);
if (rtp_time < priv->ext_timestamp) {
ext_time = priv->ext_timestamp;
} else {
ext_time = gst_rtp_buffer_ext_timestamp (&priv->ext_timestamp, rtp_time);
}
if (ext_time > priv->clock_base)
elapsed = ext_time - priv->clock_base;
else
@ -1615,10 +1623,14 @@ push_buffer:
elapsed = gst_util_uint64_scale_int (elapsed, GST_SECOND, priv->clock_rate);
if (elapsed > priv->last_elapsed) {
guint left;
priv->last_elapsed = elapsed;
left = priv->npt_stop - priv->npt_start;
if (elapsed > 0)
estimated = gst_util_uint64_scale (out_time, priv->npt_stop, elapsed);
estimated = gst_util_uint64_scale (out_time, left, elapsed);
else
estimated = -1;