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aggregator: add gst_aggregator_pad_drop_buffer()

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steal_buffer() + unref seems to be a wide-spread idiom
(which perhaps indicates that something is not quite
right with the way aggregator pad works currently).
This commit is contained in:
Tim-Philipp Müller 2015-02-13 15:49:50 +00:00
parent 4e97321898
commit 950b772a0d
2 changed files with 23 additions and 0 deletions
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22
libs/gst/base/gstaggregator.c
View file

@ -2062,6 +2062,28 @@ gst_aggregator_pad_steal_buffer (GstAggregatorPad * pad)
return buffer;
}
/**
* gst_aggregator_pad_drop_buffer:
* @pad: the pad where to drop any pending buffer
*
* Drop the buffer currently queued in @pad.
*
* Returns: TRUE if there was a buffer queued in @pad, or FALSE if not.
*/
gboolean
gst_aggregator_pad_drop_buffer (GstAggregatorPad * pad)
{
GstBuffer *buf;
buf = gst_aggregator_pad_steal_buffer (pad);
if (buf == NULL)
return FALSE;
gst_buffer_unref (buf);
return TRUE;
}
/**
* gst_aggregator_pad_get_buffer:
* @pad: the pad to get buffer from

1
libs/gst/base/gstaggregator.h
View file

@ -104,6 +104,7 @@ GType gst_aggregator_pad_get_type (void);
GstBuffer * gst_aggregator_pad_steal_buffer (GstAggregatorPad * pad);
GstBuffer * gst_aggregator_pad_get_buffer (GstAggregatorPad * pad);
gboolean gst_aggregator_pad_drop_buffer (GstAggregatorPad * pad);
gboolean gst_aggregator_pad_is_eos (GstAggregatorPad * pad);
/*********************