mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-21 15:56:42 +00:00
pad: Don't accept any buffers or events after EOS
This commit is contained in:
Sebastian Dröge
parent
584892bf79
commit
8cc12b05fc
2 changed files with 71 additions and 9 deletions
60
gst/gstpad.c
60
gst/gstpad.c
|
|
@ -3187,7 +3187,7 @@ push_sticky (GstPad * pad, PadEvent * ev, gpointer user_data)
|
|||
/* not linked is not a problem, we are sticky so the event will be
|
||||
* sent later but only for non-EOS events */
|
||||
GST_DEBUG_OBJECT (pad, "pad was not linked");
|
||||
if (GST_EVENT_TYPE (ev) != GST_FLOW_EOS)
|
||||
if (GST_EVENT_TYPE (ev) != GST_EVENT_EOS)
|
||||
data->ret = GST_FLOW_OK;
|
||||
/* fallthrough */
|
||||
default:
|
||||
|
|
@ -3504,6 +3504,9 @@ gst_pad_chain_data_unchecked (GstPad * pad, GstPadProbeType type, void *data)
|
|||
if (G_UNLIKELY (GST_PAD_IS_FLUSHING (pad)))
|
||||
goto flushing;
|
||||
|
||||
if (G_UNLIKELY (GST_PAD_IS_EOS (pad)))
|
||||
goto eos;
|
||||
|
||||
if (G_UNLIKELY (GST_PAD_MODE (pad) != GST_PAD_MODE_PUSH))
|
||||
goto wrong_mode;
|
||||
|
||||
|
|
@ -3565,6 +3568,14 @@ flushing:
|
|||
gst_mini_object_unref (GST_MINI_OBJECT_CAST (data));
|
||||
return GST_FLOW_FLUSHING;
|
||||
}
|
||||
eos:
|
||||
{
|
||||
GST_CAT_LOG_OBJECT (GST_CAT_SCHEDULING, pad, "chaining, but pad was EOS");
|
||||
GST_OBJECT_UNLOCK (pad);
|
||||
GST_PAD_STREAM_UNLOCK (pad);
|
||||
gst_mini_object_unref (GST_MINI_OBJECT_CAST (data));
|
||||
return GST_FLOW_EOS;
|
||||
}
|
||||
wrong_mode:
|
||||
{
|
||||
g_critical ("chain on pad %s:%s but it was not in push mode",
|
||||
|
|
@ -3713,6 +3724,9 @@ gst_pad_push_data (GstPad * pad, GstPadProbeType type, void *data)
|
|||
if (G_UNLIKELY (GST_PAD_IS_FLUSHING (pad)))
|
||||
goto flushing;
|
||||
|
||||
if (G_UNLIKELY (GST_PAD_IS_EOS (pad)))
|
||||
goto eos;
|
||||
|
||||
if (G_UNLIKELY (GST_PAD_MODE (pad) != GST_PAD_MODE_PUSH))
|
||||
goto wrong_mode;
|
||||
|
||||
|
|
@ -3758,6 +3772,13 @@ flushing:
|
|||
gst_mini_object_unref (GST_MINI_OBJECT_CAST (data));
|
||||
return GST_FLOW_FLUSHING;
|
||||
}
|
||||
eos:
|
||||
{
|
||||
GST_CAT_LOG_OBJECT (GST_CAT_SCHEDULING, pad, "pushing, but pad was EOS");
|
||||
GST_OBJECT_UNLOCK (pad);
|
||||
gst_mini_object_unref (GST_MINI_OBJECT_CAST (data));
|
||||
return GST_FLOW_EOS;
|
||||
}
|
||||
wrong_mode:
|
||||
{
|
||||
g_critical ("pushing on pad %s:%s but it was not activated in push mode",
|
||||
|
|
@ -4320,6 +4341,7 @@ gst_pad_push_event_unchecked (GstPad * pad, GstEvent * event,
|
|||
/* Remove sticky EOS events */
|
||||
GST_LOG_OBJECT (pad, "Removing pending EOS events");
|
||||
remove_event_by_type (pad, GST_EVENT_EOS);
|
||||
GST_OBJECT_FLAG_UNSET (pad, GST_PAD_FLAG_EOS);
|
||||
|
||||
type |= GST_PAD_PROBE_TYPE_EVENT_FLUSH;
|
||||
break;
|
||||
|
|
@ -4328,6 +4350,11 @@ gst_pad_push_event_unchecked (GstPad * pad, GstEvent * event,
|
|||
if (G_UNLIKELY (GST_PAD_IS_FLUSHING (pad)))
|
||||
goto flushed;
|
||||
|
||||
/* No need to check for EOS here as either the caller (gst_pad_push_event())
|
||||
* checked already or this is called as part of pushing sticky events,
|
||||
* in which case we still want to forward the EOS event downstream.
|
||||
*/
|
||||
|
||||
switch (GST_EVENT_TYPE (event)) {
|
||||
case GST_EVENT_SEGMENT:
|
||||
/* pass the adjusted segment event on. We need to do this even if
|
||||
|
|
@ -4465,12 +4492,17 @@ gst_pad_push_event (GstPad * pad, GstEvent * event)
|
|||
if (G_UNLIKELY (GST_PAD_IS_FLUSHING (pad)))
|
||||
goto flushed;
|
||||
|
||||
if (G_UNLIKELY (GST_PAD_IS_EOS (pad)))
|
||||
goto eos;
|
||||
|
||||
/* srcpad sticky events are store immediately, the received flag is set
|
||||
* to FALSE and will be set to TRUE when we can successfully push the
|
||||
* event to the peer pad */
|
||||
if (gst_pad_store_sticky_event (pad, event, TRUE)) {
|
||||
GST_DEBUG_OBJECT (pad, "event %s updated", GST_EVENT_TYPE_NAME (event));
|
||||
}
|
||||
if (GST_EVENT_TYPE (event) == GST_EVENT_EOS)
|
||||
GST_OBJECT_FLAG_SET (pad, GST_PAD_FLAG_EOS);
|
||||
}
|
||||
if (GST_PAD_IS_SRC (pad) && (serialized || sticky)) {
|
||||
/* all serialized or sticky events on the srcpad trigger push of
|
||||
|
|
@ -4515,6 +4547,13 @@ flushed:
|
|||
gst_event_unref (event);
|
||||
return FALSE;
|
||||
}
|
||||
eos:
|
||||
{
|
||||
GST_DEBUG_OBJECT (pad, "We're EOS");
|
||||
GST_OBJECT_UNLOCK (pad);
|
||||
gst_event_unref (event);
|
||||
return FALSE;
|
||||
}
|
||||
}
|
||||
|
||||
/* Check if we can call the event function with the given event */
|
||||
|
|
@ -4584,6 +4623,7 @@ gst_pad_send_event_unchecked (GstPad * pad, GstEvent * event,
|
|||
/* Remove pending EOS events */
|
||||
GST_LOG_OBJECT (pad, "Removing pending EOS events");
|
||||
remove_event_by_type (pad, GST_EVENT_EOS);
|
||||
GST_OBJECT_FLAG_UNSET (pad, GST_PAD_FLAG_EOS);
|
||||
|
||||
GST_OBJECT_UNLOCK (pad);
|
||||
/* grab stream lock */
|
||||
|
|
@ -4603,6 +4643,9 @@ gst_pad_send_event_unchecked (GstPad * pad, GstEvent * event,
|
|||
if (G_UNLIKELY (GST_PAD_IS_FLUSHING (pad)))
|
||||
goto flushing;
|
||||
|
||||
if (G_UNLIKELY (GST_PAD_IS_EOS (pad)))
|
||||
goto eos;
|
||||
|
||||
if (serialized) {
|
||||
/* lock order: STREAM_LOCK, LOCK, recheck flushing. */
|
||||
GST_OBJECT_UNLOCK (pad);
|
||||
|
|
@ -4611,6 +4654,9 @@ gst_pad_send_event_unchecked (GstPad * pad, GstEvent * event,
|
|||
GST_OBJECT_LOCK (pad);
|
||||
if (G_UNLIKELY (GST_PAD_IS_FLUSHING (pad)))
|
||||
goto flushing;
|
||||
|
||||
if (G_UNLIKELY (GST_PAD_IS_EOS (pad)))
|
||||
goto eos;
|
||||
}
|
||||
|
||||
switch (GST_EVENT_TYPE (event)) {
|
||||
|
|
@ -4665,6 +4711,8 @@ gst_pad_send_event_unchecked (GstPad * pad, GstEvent * event,
|
|||
/* after the event function accepted the event, we can store the sticky
|
||||
* event on the pad */
|
||||
gst_pad_store_sticky_event (pad, event, FALSE);
|
||||
if (event_type == GST_EVENT_EOS)
|
||||
GST_OBJECT_FLAG_SET (pad, GST_PAD_FLAG_EOS);
|
||||
}
|
||||
gst_event_unref (event);
|
||||
}
|
||||
|
|
@ -4685,6 +4733,16 @@ flushing:
|
|||
gst_event_unref (event);
|
||||
return GST_FLOW_FLUSHING;
|
||||
}
|
||||
eos:
|
||||
{
|
||||
GST_OBJECT_UNLOCK (pad);
|
||||
if (need_unlock)
|
||||
GST_PAD_STREAM_UNLOCK (pad);
|
||||
GST_CAT_INFO_OBJECT (GST_CAT_EVENT, pad,
|
||||
"Received event on EOS pad. Discarding");
|
||||
gst_event_unref (event);
|
||||
return GST_FLOW_EOS;
|
||||
}
|
||||
probe_stopped:
|
||||
{
|
||||
GST_OBJECT_UNLOCK (pad);
|
||||
|
|
|
|||
20
gst/gstpad.h
20
gst/gstpad.h
|
|
@ -590,7 +590,8 @@ typedef gboolean (*GstPadStickyEventsForeachFunction) (GstPad *pad, GstEvent **
|
|||
/**
|
||||
* GstPadFlags:
|
||||
* @GST_PAD_FLAG_BLOCKED: is dataflow on a pad blocked
|
||||
* @GST_PAD_FLAG_FLUSHING: is pad refusing buffers
|
||||
* @GST_PAD_FLAG_FLUSHING: is pad flushing
|
||||
* @GST_PAD_FLAG_EOS: is pad in EOS state
|
||||
* @GST_PAD_FLAG_BLOCKING: is pad currently blocking on a buffer or event
|
||||
* @GST_PAD_FLAG_NEED_PARENT: ensure that there is a parent object before calling
|
||||
* into the pad callbacks.
|
||||
|
|
@ -614,13 +615,14 @@ typedef gboolean (*GstPadStickyEventsForeachFunction) (GstPad *pad, GstEvent **
|
|||
typedef enum {
|
||||
GST_PAD_FLAG_BLOCKED = (GST_OBJECT_FLAG_LAST << 0),
|
||||
GST_PAD_FLAG_FLUSHING = (GST_OBJECT_FLAG_LAST << 1),
|
||||
GST_PAD_FLAG_BLOCKING = (GST_OBJECT_FLAG_LAST << 2),
|
||||
GST_PAD_FLAG_NEED_PARENT = (GST_OBJECT_FLAG_LAST << 3),
|
||||
GST_PAD_FLAG_NEED_RECONFIGURE = (GST_OBJECT_FLAG_LAST << 4),
|
||||
GST_PAD_FLAG_PENDING_EVENTS = (GST_OBJECT_FLAG_LAST << 5),
|
||||
GST_PAD_FLAG_FIXED_CAPS = (GST_OBJECT_FLAG_LAST << 6),
|
||||
GST_PAD_FLAG_PROXY_CAPS = (GST_OBJECT_FLAG_LAST << 7),
|
||||
GST_PAD_FLAG_PROXY_ALLOCATION = (GST_OBJECT_FLAG_LAST << 8),
|
||||
GST_PAD_FLAG_EOS = (GST_OBJECT_FLAG_LAST << 2),
|
||||
GST_PAD_FLAG_BLOCKING = (GST_OBJECT_FLAG_LAST << 3),
|
||||
GST_PAD_FLAG_NEED_PARENT = (GST_OBJECT_FLAG_LAST << 4),
|
||||
GST_PAD_FLAG_NEED_RECONFIGURE = (GST_OBJECT_FLAG_LAST << 5),
|
||||
GST_PAD_FLAG_PENDING_EVENTS = (GST_OBJECT_FLAG_LAST << 6),
|
||||
GST_PAD_FLAG_FIXED_CAPS = (GST_OBJECT_FLAG_LAST << 7),
|
||||
GST_PAD_FLAG_PROXY_CAPS = (GST_OBJECT_FLAG_LAST << 8),
|
||||
GST_PAD_FLAG_PROXY_ALLOCATION = (GST_OBJECT_FLAG_LAST << 9),
|
||||
/* padding */
|
||||
GST_PAD_FLAG_LAST = (GST_OBJECT_FLAG_LAST << 16)
|
||||
} GstPadFlags;
|
||||
|
|
@ -755,6 +757,8 @@ struct _GstPadClass {
|
|||
#define GST_PAD_SET_FLUSHING(pad) (GST_OBJECT_FLAG_SET (pad, GST_PAD_FLAG_FLUSHING))
|
||||
#define GST_PAD_UNSET_FLUSHING(pad) (GST_OBJECT_FLAG_UNSET (pad, GST_PAD_FLAG_FLUSHING))
|
||||
|
||||
#define GST_PAD_IS_EOS(pad) (GST_OBJECT_FLAG_IS_SET (pad, GST_PAD_FLAG_EOS))
|
||||
|
||||
#define GST_PAD_NEEDS_RECONFIGURE(pad) (GST_OBJECT_FLAG_IS_SET (pad, GST_PAD_FLAG_NEED_RECONFIGURE))
|
||||
#define GST_PAD_HAS_PENDING_EVENTS(pad) (GST_OBJECT_FLAG_IS_SET (pad, GST_PAD_FLAG_PENDING_EVENTS))
|
||||
#define GST_PAD_IS_FIXED_CAPS(pad) (GST_OBJECT_FLAG_IS_SET (pad, GST_PAD_FLAG_FIXED_CAPS))
|
||||
|
|
|
|||
Loading…
Reference in a new issue