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collectpads: ensure all timestamps are in same time domain

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... by not only processing incoming buffers through a clip function,
but also other timestamps such as those coming from GAP event.
This commit is contained in:
Mark Nauwelaerts 2012-10-10 11:35:01 +02:00
parent bd3a27f24c
commit a6b75fb322
1 changed files with 34 additions and 7 deletions
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41
libs/gst/base/gstcollectpads.c
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@ -1353,7 +1353,7 @@ gst_collect_pads_recalculate_waiting (GstCollectPads * pads)
}
/* check if the waiting state should be changed */
comp_time = MAX (data->segment.start, data->segment.position);
comp_time = data->segment.position;
cmp_res = pads->priv->compare_func (pads, data, comp_time,
pads->priv->earliest_data, pads->priv->earliest_time,
pads->priv->compare_user_data);
@ -1558,6 +1558,29 @@ exit:
}
static GstClockTime
gst_collect_pads_clip_time (GstCollectPads * pads, GstCollectData * data,
GstClockTime time)
{
GstClockTime otime = time;
GstBuffer *in, *out = NULL;
if (pads->priv->clip_func) {
in = gst_buffer_new ();
GST_BUFFER_TIMESTAMP (in) = time;
pads->priv->clip_func (pads, data, in, &out, NULL);
if (out) {
otime = GST_BUFFER_TIMESTAMP (out);
} else {
/* FIXME should distinguish between ahead or after segment,
* let's assume after segment and use some large time ... */
otime = G_MAXINT64 / 2;
}
}
return otime;
}
/**
* gst_collect_pads_event_default:
* @pads: the collectpads to use
@ -1668,9 +1691,6 @@ gst_collect_pads_event_default (GstCollectPads * pads, GstCollectData * data,
GST_DEBUG_OBJECT (data->pad, "got segment %" GST_SEGMENT_FORMAT, &seg);
/* sanitize to make sure; reasonably so at start */
seg.position = seg.start;
/* default collection can not handle other segment formats than time */
if (buffer_func && seg.format != GST_FORMAT_TIME) {
GST_WARNING_OBJECT (pads, "GstCollectPads default collecting "
@ -1678,14 +1698,20 @@ gst_collect_pads_event_default (GstCollectPads * pads, GstCollectData * data,
goto newsegment_done;
}
/* need to update segment first */
data->segment = seg;
GST_COLLECT_PADS_STATE_SET (data, GST_COLLECT_PADS_STATE_NEW_SEGMENT);
/* now we can use for e.g. running time */
seg.position = gst_collect_pads_clip_time (pads, data, seg.start);
/* update again */
data->segment = seg;
/* default muxing functionality */
if (!buffer_func)
goto newsegment_done;
gst_collect_pads_handle_position_update (pads, data, seg.start);
gst_collect_pads_handle_position_update (pads, data, seg.position);
newsegment_done:
GST_COLLECT_PADS_STREAM_UNLOCK (pads);
@ -1704,9 +1730,10 @@ gst_collect_pads_event_default (GstCollectPads * pads, GstCollectData * data,
start += duration;
/* we do not expect another buffer until after gap,
* so that is our position now */
data->segment.position = start;
data->segment.position = gst_collect_pads_clip_time (pads, data, start);
gst_collect_pads_handle_position_update (pads, data, start);
gst_collect_pads_handle_position_update (pads, data,
data->segment.position);
GST_COLLECT_PADS_STREAM_UNLOCK (pads);
goto eat;