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Revert "pad: use a nested lock to avoid reffing the peer"

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This reverts commit 9b424b1570.
This commit is contained in:
Stefan Kost 2010-09-23 15:34:54 +03:00
parent 41e00e58e7
commit 5550136fb2
1 changed files with 18 additions and 17 deletions
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35
gst/gstpad.c
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@ -4133,6 +4133,8 @@ gst_pad_chain_data_unchecked (GstPad * pad, gboolean is_buffer, void *data)
GstFlowReturn ret;
gboolean emit_signal;
GST_PAD_STREAM_LOCK (pad);
GST_OBJECT_LOCK (pad);
if (G_UNLIKELY (GST_PAD_IS_FLUSHING (pad)))
goto flushing;
@ -4199,6 +4201,8 @@ gst_pad_chain_data_unchecked (GstPad * pad, gboolean is_buffer, void *data)
GST_DEBUG_FUNCPTR_NAME (chainlistfunc), gst_flow_get_name (ret));
}
GST_PAD_STREAM_UNLOCK (pad);
return ret;
chain_groups:
@ -4207,6 +4211,8 @@ chain_groups:
GstBufferListIterator *it;
GstBuffer *group;
GST_PAD_STREAM_UNLOCK (pad);
GST_INFO_OBJECT (pad, "chaining each group in list as a merged buffer");
list = GST_BUFFER_LIST_CAST (data);
@ -4241,12 +4247,14 @@ flushing:
GST_CAT_LOG_OBJECT (GST_CAT_SCHEDULING, pad,
"pushing, but pad was flushing");
GST_OBJECT_UNLOCK (pad);
GST_PAD_STREAM_UNLOCK (pad);
return GST_FLOW_WRONG_STATE;
}
dropping:
{
gst_pad_data_unref (is_buffer, data);
GST_DEBUG_OBJECT (pad, "Dropping buffer due to FALSE probe return");
GST_PAD_STREAM_UNLOCK (pad);
return GST_FLOW_OK;
}
not_negotiated:
@ -4254,6 +4262,7 @@ not_negotiated:
gst_pad_data_unref (is_buffer, data);
GST_CAT_LOG_OBJECT (GST_CAT_SCHEDULING, pad,
"pushing data but pad did not accept");
GST_PAD_STREAM_UNLOCK (pad);
return GST_FLOW_NOT_NEGOTIATED;
}
no_function:
@ -4264,6 +4273,7 @@ no_function:
GST_ELEMENT_ERROR (GST_PAD_PARENT (pad), CORE, PAD, (NULL),
("push on pad %s:%s but it has no chainfunction",
GST_DEBUG_PAD_NAME (pad)));
GST_PAD_STREAM_UNLOCK (pad);
return GST_FLOW_NOT_SUPPORTED;
}
}
@ -4297,17 +4307,11 @@ no_function:
GstFlowReturn
gst_pad_chain (GstPad * pad, GstBuffer * buffer)
{
GstFlowReturn res;
g_return_val_if_fail (GST_IS_PAD (pad), GST_FLOW_ERROR);
g_return_val_if_fail (GST_PAD_IS_SINK (pad), GST_FLOW_ERROR);
g_return_val_if_fail (GST_IS_BUFFER (buffer), GST_FLOW_ERROR);
GST_PAD_STREAM_LOCK (pad);
res = gst_pad_chain_data_unchecked (pad, TRUE, buffer);
GST_PAD_STREAM_UNLOCK (pad);
return res;
return gst_pad_chain_data_unchecked (pad, TRUE, buffer);
}
/**
@ -4341,16 +4345,11 @@ gst_pad_chain (GstPad * pad, GstBuffer * buffer)
GstFlowReturn
gst_pad_chain_list (GstPad * pad, GstBufferList * list)
{
GstFlowReturn res;
g_return_val_if_fail (GST_IS_PAD (pad), GST_FLOW_ERROR);
g_return_val_if_fail (GST_PAD_IS_SINK (pad), GST_FLOW_ERROR);
g_return_val_if_fail (GST_IS_BUFFER_LIST (list), GST_FLOW_ERROR);
GST_PAD_STREAM_LOCK (pad);
res = gst_pad_chain_data_unchecked (pad, FALSE, list);
GST_PAD_STREAM_UNLOCK (pad);
return res;
return gst_pad_chain_data_unchecked (pad, FALSE, list);
}
static GstFlowReturn
@ -4395,8 +4394,9 @@ gst_pad_push_data (GstPad * pad, gboolean is_buffer, void *data)
caps = gst_pad_data_get_caps (is_buffer, data);
caps_changed = caps && caps != GST_PAD_CAPS (pad);
/* use a nested lock to avoid reffing the peer pad */
GST_PAD_STREAM_LOCK (peer);
/* take ref to peer pad before releasing the lock */
gst_object_ref (peer);
GST_OBJECT_UNLOCK (pad);
/* we got a new datatype from the pad, it had better handle it */
@ -4409,7 +4409,8 @@ gst_pad_push_data (GstPad * pad, gboolean is_buffer, void *data)
}
ret = gst_pad_chain_data_unchecked (peer, is_buffer, data);
GST_PAD_STREAM_UNLOCK (peer);
gst_object_unref (peer);
return ret;
@ -4471,9 +4472,9 @@ not_linked:
not_negotiated:
{
gst_pad_data_unref (is_buffer, data);
gst_object_unref (peer);
GST_CAT_DEBUG_OBJECT (GST_CAT_SCHEDULING, pad,
"element pushed data then refused to accept the caps");
GST_PAD_STREAM_UNLOCK (peer);
return GST_FLOW_NOT_NEGOTIATED;
}
}