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pad: make probes work on all pads

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fixes #644907
This commit is contained in:
Wim Taymans 2011-11-04 18:19:14 +01:00
parent d169fa8728
commit b6fbeb8fed
2 changed files with 65 additions and 42 deletions
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68
docs/design/part-probes.txt
View file

@ -174,6 +174,8 @@ The push dataflow probe behavior is the same for buffers and biderectional event
O flushing? O
O WRONG_STATE O
O< - - - - - - - - - - - - - - -O
O O-> do BLOCK probes
O O
O O-> do DATA probes
O O
O O---> chainfunc /
@ -204,36 +206,38 @@ was an error.
It there is a valid DATA item, the DATA probes are called for the item.
srcpad sinkpad
| |
| | gst_pad_pull_range()
| O<---------------------
| O
| O flushing?
| O WRONG_STATE
| O - - - - - - - - - - >
| do BLOCK probes <-O
| O no peer?
| O NOT_LINKED
| O - - - - - - - - - - >
| gst_pad_get_range() O
O<------------------------------O
O O
O flushing? O
O WRONG_STATE O
O- - - - - - - - - - - - - - - >O
getrangefunc <---O O
O flow error? O
O- - - - - - - - - - - - - - - >O
O O
do DATA probes <-O O
O- - - - - - - - - - - - - - - >O
| O
| do IDLE probes <-O
| O flow error?
| O - - - - - - - - - - >
| O
| do DATA probes <-O
| O - - - - - - - - - - >
| |
srcpad sinkpad
| |
| | gst_pad_pull_range()
| O<---------------------
| O
| O flushing?
| O WRONG_STATE
| O - - - - - - - - - - >
| do BLOCK probes <-O
| O no peer?
| O NOT_LINKED
| O - - - - - - - - - - >
| gst_pad_get_range() O
O<------------------------------O
O O
O flushing? O
O WRONG_STATE O
O- - - - - - - - - - - - - - - >O
do BLOCK probes <-O O
O O
getrangefunc <---O O
O flow error? O
O- - - - - - - - - - - - - - - >O
O O
do DATA probes <-O O
O- - - - - - - - - - - - - - - >O
| O
| do IDLE probes <-O
| O flow error?
| O - - - - - - - - - - >
| O
| do DATA probes <-O
| O - - - - - - - - - - >
| |

39
gst/gstpad.c
View file

@ -3615,7 +3615,9 @@ gst_pad_chain_data_unchecked (GstPad * pad, GstPadProbeType type, void *data)
goto events_error;
}
PROBE (pad, GST_PAD_PROBE_TYPE_PUSH | type, data, probe_stopped);
PROBE (pad, type | GST_PAD_PROBE_TYPE_BLOCK, data, probe_stopped);
PROBE (pad, type, data, probe_stopped);
GST_OBJECT_UNLOCK (pad);
@ -3741,7 +3743,8 @@ gst_pad_chain (GstPad * pad, GstBuffer * buffer)
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);
return gst_pad_chain_data_unchecked (pad, GST_PAD_PROBE_TYPE_BUFFER, buffer);
return gst_pad_chain_data_unchecked (pad,
GST_PAD_PROBE_TYPE_BUFFER | GST_PAD_PROBE_TYPE_PUSH, buffer);
}
static GstFlowReturn
@ -3759,7 +3762,8 @@ gst_pad_chain_list_default (GstPad * pad, GstBufferList * list)
for (i = 0; i < len; i++) {
buffer = gst_buffer_list_get (list, i);
ret =
gst_pad_chain_data_unchecked (pad, GST_PAD_PROBE_TYPE_BUFFER,
gst_pad_chain_data_unchecked (pad,
GST_PAD_PROBE_TYPE_BUFFER | GST_PAD_PROBE_TYPE_PUSH,
gst_buffer_ref (buffer));
if (ret != GST_FLOW_OK)
break;
@ -3803,8 +3807,8 @@ gst_pad_chain_list (GstPad * pad, GstBufferList * list)
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);
return gst_pad_chain_data_unchecked (pad, GST_PAD_PROBE_TYPE_BUFFER_LIST,
list);
return gst_pad_chain_data_unchecked (pad,
GST_PAD_PROBE_TYPE_BUFFER_LIST | GST_PAD_PROBE_TYPE_PUSH, list);
}
static GstFlowReturn
@ -3817,8 +3821,6 @@ gst_pad_push_data (GstPad * pad, GstPadProbeType type, void *data)
if (G_UNLIKELY (GST_PAD_IS_FLUSHING (pad)))
goto flushing;
type |= GST_PAD_PROBE_TYPE_PUSH;
/* do block probes */
PROBE (pad, type | GST_PAD_PROBE_TYPE_BLOCK, data, probe_stopped);
@ -3913,7 +3915,8 @@ gst_pad_push (GstPad * pad, GstBuffer * buffer)
g_return_val_if_fail (GST_PAD_IS_SRC (pad), GST_FLOW_ERROR);
g_return_val_if_fail (GST_IS_BUFFER (buffer), GST_FLOW_ERROR);
return gst_pad_push_data (pad, GST_PAD_PROBE_TYPE_BUFFER, buffer);
return gst_pad_push_data (pad,
GST_PAD_PROBE_TYPE_BUFFER | GST_PAD_PROBE_TYPE_PUSH, buffer);
}
/**
@ -3949,7 +3952,8 @@ gst_pad_push_list (GstPad * pad, GstBufferList * list)
g_return_val_if_fail (GST_PAD_IS_SRC (pad), GST_FLOW_ERROR);
g_return_val_if_fail (GST_IS_BUFFER_LIST (list), GST_FLOW_ERROR);
return gst_pad_push_data (pad, GST_PAD_PROBE_TYPE_BUFFER_LIST, list);
return gst_pad_push_data (pad,
GST_PAD_PROBE_TYPE_BUFFER_LIST | GST_PAD_PROBE_TYPE_PUSH, list);
}
static GstFlowReturn
@ -3964,6 +3968,9 @@ gst_pad_get_range_unchecked (GstPad * pad, guint64 offset, guint size,
GST_OBJECT_LOCK (pad);
if (G_UNLIKELY (GST_PAD_IS_FLUSHING (pad)))
goto flushing;
PROBE (pad, GST_PAD_PROBE_TYPE_PULL | GST_PAD_PROBE_TYPE_BLOCK, NULL,
probe_stopped);
GST_OBJECT_UNLOCK (pad);
if (G_UNLIKELY ((getrangefunc = GST_PAD_GETRANGEFUNC (pad)) == NULL))
@ -3982,7 +3989,7 @@ gst_pad_get_range_unchecked (GstPad * pad, guint64 offset, guint size,
/* can only fire the signal if we have a valid buffer */
GST_OBJECT_LOCK (pad);
PROBE (pad, GST_PAD_PROBE_TYPE_PULL | GST_PAD_PROBE_TYPE_BUFFER, *buffer,
probe_stopped);
probe_stopped_unref);
GST_OBJECT_UNLOCK (pad);
GST_PAD_STREAM_UNLOCK (pad);
@ -4007,6 +4014,14 @@ no_function:
return GST_FLOW_NOT_SUPPORTED;
}
probe_stopped:
{
GST_CAT_LOG_OBJECT (GST_CAT_SCHEDULING, pad,
"probe returned %s", gst_flow_get_name (ret));
GST_OBJECT_UNLOCK (pad);
GST_PAD_STREAM_UNLOCK (pad);
return ret;
}
probe_stopped_unref:
{
GST_CAT_LOG_OBJECT (GST_CAT_SCHEDULING, pad,
"probe returned %s", gst_flow_get_name (ret));
@ -4529,6 +4544,10 @@ gst_pad_send_event (GstPad * pad, GstEvent * event)
if (G_UNLIKELY (GST_PAD_IS_FLUSHING (pad)))
goto flushing;
PROBE (pad,
GST_PAD_PROBE_TYPE_PUSH | GST_PAD_PROBE_TYPE_EVENT |
GST_PAD_PROBE_TYPE_BLOCK, event, probe_stopped);
PROBE (pad, GST_PAD_PROBE_TYPE_PUSH | GST_PAD_PROBE_TYPE_EVENT, event,
probe_stopped);