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asfdemux: report initial latency due to internal preroll queue

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This commit is contained in:
Mark Nauwelaerts 2009-05-02 13:45:22 +02:00
parent c2d092765a
commit 0b28139203
2 changed files with 33 additions and 0 deletions
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32
gst/asfdemux/gstasfdemux.c
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@ -340,6 +340,9 @@ gst_asf_demux_sink_event (GstPad * pad, GstEvent * event)
gst_asf_demux_reset_stream_state_after_discont (demux); gst_asf_demux_reset_stream_state_after_discont (demux);
GST_OBJECT_UNLOCK (demux); GST_OBJECT_UNLOCK (demux);
gst_asf_demux_send_event_unlocked (demux, event); gst_asf_demux_send_event_unlocked (demux, event);
/* upon activation, latency is no longer introduced, e.g. after seek */
if (demux->activated_streams)
demux->latency = 0;
break; break;
default: default:
@ -3429,6 +3432,35 @@ gst_asf_demux_handle_src_query (GstPad * pad, GstQuery * query)
break; break;
} }
case GST_QUERY_LATENCY:
{
gboolean live;
GstClockTime min, max;
/* preroll delay does not matter in non-live pipeline,
* but we might end up in a live (rtsp) one ... */
/* first forward */
res = gst_pad_query_default (pad, query);
if (!res)
break;
gst_query_parse_latency (query, &live, &min, &max);
GST_DEBUG_OBJECT (demux, "Peer latency: live %d, min %"
GST_TIME_FORMAT " max %" GST_TIME_FORMAT, live,
GST_TIME_ARGS (min), GST_TIME_ARGS (max));
GST_OBJECT_LOCK (demux);
if (min != 1)
min += demux->latency;
if (max != 1)
max += demux->latency;
GST_OBJECT_UNLOCK (demux);
gst_query_set_latency (query, live, min, max);
break;
}
default: default:
res = gst_pad_query_default (pad, query); res = gst_pad_query_default (pad, query);
break; break;

1
gst/asfdemux/gstasfdemux.h
View file

@ -171,6 +171,7 @@ struct _GstASFDemux {
gboolean need_newsegment; /* do we need to send a new-segment event? */ gboolean need_newsegment; /* do we need to send a new-segment event? */
gboolean segment_running; /* if we've started the current segment */ gboolean segment_running; /* if we've started the current segment */
gboolean streaming; /* TRUE if we are operating chain-based */ gboolean streaming; /* TRUE if we are operating chain-based */
GstClockTime latency;
/* Descrambler settings */ /* Descrambler settings */
guint8 span; guint8 span;