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tsdemux: implement seeking in push mode

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This commit is contained in:
Arnaud Vrac 2013-05-24 18:18:35 +02:00 committed by Edward Hervey
parent 388c28381f
commit 024aa47f64
2 changed files with 24 additions and 10 deletions
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31
gst/mpegtsdemux/mpegtsbase.c
View file

@ -1007,6 +1007,7 @@ static gboolean
mpegts_base_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
{
gboolean res = TRUE;
gboolean hard;
MpegTSBase *base = GST_MPEGTS_BASE (parent);
GST_DEBUG_OBJECT (base, "Got event %s",
@ -1040,12 +1041,12 @@ mpegts_base_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
break;
case GST_EVENT_FLUSH_STOP:
res = GST_MPEGTS_BASE_GET_CLASS (base)->push_event (base, event);
mpegts_packetizer_flush (base->packetizer, TRUE);
mpegts_base_flush (base, TRUE);
hard = (base->mode != BASE_MODE_SEEKING);
mpegts_packetizer_flush (base->packetizer, hard);
mpegts_base_flush (base, hard);
gst_segment_init (&base->segment, GST_FORMAT_UNDEFINED);
base->seen_pat = FALSE;
break;
/* Passthrough */
default:
res = GST_MPEGTS_BASE_GET_CLASS (base)->push_event (base, event);
}
@ -1340,10 +1341,24 @@ mpegts_base_handle_seek_event (MpegTSBase * base, GstPad * pad,
GST_DEBUG ("upstream handled SEEK event");
return TRUE;
}
/* FIXME : Actually ... it is supported, we just need to convert
* the seek event to BYTES */
GST_ERROR ("seeking in push mode not supported");
goto push_mode;
/* If the subclass can seek, do that */
if (klass->seek) {
ret = klass->seek (base, event);
if (G_UNLIKELY (ret != GST_FLOW_OK))
GST_WARNING ("seeking failed %s", gst_flow_get_name (ret));
else {
base->mode = BASE_MODE_SEEKING;
if (!gst_pad_push_event (base->sinkpad, gst_event_new_seek (rate,
GST_FORMAT_BYTES, flags,
GST_SEEK_TYPE_SET, base->seek_offset,
GST_SEEK_TYPE_NONE, -1)))
ret = GST_FLOW_ERROR;
base->mode = BASE_MODE_PUSHING;
}
}
return ret == GST_FLOW_OK;
}
GST_DEBUG ("seek event, rate: %f start: %" GST_TIME_FORMAT
@ -1404,7 +1419,7 @@ mpegts_base_handle_seek_event (MpegTSBase * base, GstPad * pad,
done:
gst_pad_start_task (base->sinkpad, (GstTaskFunction) mpegts_base_loop, base,
NULL);
push_mode:
GST_PAD_STREAM_UNLOCK (base->sinkpad);
return ret == GST_FLOW_OK;
}

3
gst/mpegtsdemux/tsdemux.c
View file

@ -460,8 +460,7 @@ gst_ts_demux_srcpad_query (GstPad * pad, GstObject * parent, GstQuery * query)
/* If upstream is not seekable in TIME format we use
* our own values here */
if (!seekable)
gst_query_set_seeking (query, GST_FORMAT_TIME,
demux->parent.mode != BASE_MODE_PUSHING, 0,
gst_query_set_seeking (query, GST_FORMAT_TIME, TRUE, 0,
demux->segment.duration);
} else {
GST_DEBUG_OBJECT (demux, "only TIME is supported for query seeking");