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basesink: copy last_sample on DRAIN

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Make sure we don't hold a ref to a buffer from before the DRAIN query by
making a copy of the last_buffer.
This commit is contained in:
Wim Taymans 2014-03-24 16:34:27 +01:00
parent ee348fe7cb
commit 093574053f
1 changed files with 10 additions and 0 deletions
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10
libs/gst/base/gstbasesink.c
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@ -4827,8 +4827,18 @@ gst_base_sink_default_query (GstBaseSink * basesink, GstQuery * query)
break; break;
} }
case GST_QUERY_DRAIN: case GST_QUERY_DRAIN:
{
GstBuffer *old;
GST_OBJECT_LOCK (basesink);
if ((old = basesink->priv->last_buffer))
basesink->priv->last_buffer = gst_buffer_copy (old);
GST_OBJECT_UNLOCK (basesink);
if (old)
gst_buffer_unref (old);
res = TRUE; res = TRUE;
break; break;
}
default: default:
res = res =
gst_pad_query_default (basesink->sinkpad, GST_OBJECT_CAST (basesink), gst_pad_query_default (basesink->sinkpad, GST_OBJECT_CAST (basesink),