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rtpjitterbuffer: implement basic chain_list function

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Doesn't do anything fancy yet, but still avoids lots of
unnecessary locking/unlocking that would happen if the
default chain_list fallback function in GstPad got invoked.
This commit is contained in:
Tim-Philipp Müller 2017-09-17 16:18:48 +01:00
parent 07dd3dba6f
commit a802f5df42
1 changed files with 29 additions and 0 deletions
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29
gst/rtpmanager/gstrtpjitterbuffer.c
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@ -466,6 +466,8 @@ static gboolean gst_rtp_jitter_buffer_sink_event (GstPad * pad,
GstObject * parent, GstEvent * event);
static GstFlowReturn gst_rtp_jitter_buffer_chain (GstPad * pad,
GstObject * parent, GstBuffer * buffer);
static GstFlowReturn gst_rtp_jitter_buffer_chain_list (GstPad * pad,
GstObject * parent, GstBufferList * buffer_list);
static gboolean gst_rtp_jitter_buffer_sink_rtcp_event (GstPad * pad,
GstObject * parent, GstEvent * event);
@ -1055,6 +1057,8 @@ gst_rtp_jitter_buffer_init (GstRtpJitterBuffer * jitterbuffer)
gst_pad_set_chain_function (priv->sinkpad,
GST_DEBUG_FUNCPTR (gst_rtp_jitter_buffer_chain));
gst_pad_set_chain_list_function (priv->sinkpad,
GST_DEBUG_FUNCPTR (gst_rtp_jitter_buffer_chain_list));
gst_pad_set_event_function (priv->sinkpad,
GST_DEBUG_FUNCPTR (gst_rtp_jitter_buffer_sink_event));
gst_pad_set_query_function (priv->sinkpad,
@ -3299,6 +3303,31 @@ rtx_duplicate:
}
}
/* FIXME: hopefully we can do something more efficient here, especially when
* all packets are in order and/or outside of the currently cached range.
* Still worthwhile to have it, avoids taking/releasing object lock and pad
* stream lock for every single buffer in the default chain_list fallback. */
static GstFlowReturn
gst_rtp_jitter_buffer_chain_list (GstPad * pad, GstObject * parent,
GstBufferList * buffer_list)
{
GstFlowReturn flow_ret = GST_FLOW_OK;
guint i, n;
n = gst_buffer_list_length (buffer_list);
for (i = 0; i < n; ++i) {
GstBuffer *buf = gst_buffer_list_get (buffer_list, i);
flow_ret = gst_rtp_jitter_buffer_chain (pad, parent, gst_buffer_ref (buf));
if (flow_ret != GST_FLOW_OK)
break;
}
gst_buffer_list_unref (buffer_list);
return flow_ret;
}
static GstClockTime
compute_elapsed (GstRtpJitterBuffer * jitterbuffer, RTPJitterBufferItem * item)
{