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fakesink: Add property to not drop out-of-segment buffers

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Implement handling in basesink to not unconditionally discard
out-of-segment buffers and expose it as a new property on fakesink
(not unconditionally in all basesink based sinks).

The property defaults to FALSE.

https://bugzilla.gnome.org/show_bug.cgi?id=765734
This commit is contained in:
Jan Schmidt 2016-04-29 02:38:49 +10:00
parent 1a1152fa03
commit 812d4976f0
3 changed files with 84 additions and 6 deletions
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59
libs/gst/base/gstbasesink.c
View file

@ -258,6 +258,8 @@ struct _GstBaseSinkPrivate
GstClockTime rc_time;
GstClockTime rc_next;
gsize rc_accumulated;
gboolean drop_out_of_segment;
};
#define DO_RUNNING_AVG(avg,val,size) (((val) + ((size)-1) * (avg)) / (size))
@ -286,6 +288,7 @@ struct _GstBaseSinkPrivate
#define DEFAULT_ENABLE_LAST_SAMPLE TRUE
#define DEFAULT_THROTTLE_TIME 0
#define DEFAULT_MAX_BITRATE 0
#define DEFAULT_DROP_OUT_OF_SEGMENT TRUE
enum
{
@ -655,6 +658,8 @@ gst_base_sink_init (GstBaseSink * basesink, gpointer g_class)
priv->throttle_time = DEFAULT_THROTTLE_TIME;
priv->max_bitrate = DEFAULT_MAX_BITRATE;
priv->drop_out_of_segment = DEFAULT_DROP_OUT_OF_SEGMENT;
GST_OBJECT_FLAG_SET (basesink, GST_ELEMENT_FLAG_SINK);
}
@ -715,6 +720,57 @@ gst_base_sink_get_sync (GstBaseSink * sink)
return res;
}
/**
* gst_base_sink_set_drop_out_of_segment:
* @sink: the sink
*
* Checks if @sink is currently configured to synchronize against the
* clock.
*
* Returns: %TRUE if the sink is configured to synchronize against the clock.
*/
void
gst_base_sink_set_drop_out_of_segment (GstBaseSink * sink,
gboolean drop_out_of_segment)
{
GstBaseSinkPrivate *priv;
g_return_if_fail (GST_IS_BASE_SINK (sink));
priv = GST_BASE_SINK_GET_PRIVATE (sink);
GST_OBJECT_LOCK (sink);
priv->drop_out_of_segment = drop_out_of_segment;
GST_OBJECT_UNLOCK (sink);
}
/**
* gst_base_sink_get_drop_out_of_segment:
* @sink: the sink
*
* Checks if @sink is currently configured to drop buffers which are outside
* the current segment
*
* Returns: %TRUE if the sink is configured to synchronize against the clock.
*/
gboolean
gst_base_sink_get_drop_out_of_segment (GstBaseSink * sink)
{
GstBaseSinkPrivate *priv;
gboolean res;
g_return_val_if_fail (GST_IS_BASE_SINK (sink), FALSE);
priv = GST_BASE_SINK_GET_PRIVATE (sink);
GST_OBJECT_LOCK (sink);
res = priv->drop_out_of_segment;
GST_OBJECT_UNLOCK (sink);
return res;
}
/**
* gst_base_sink_set_max_lateness:
* @sink: the sink
@ -3373,7 +3429,8 @@ gst_base_sink_chain_unlocked (GstBaseSink * basesink, GstPad * pad,
pts_end = pts + (end - start);
if (G_UNLIKELY (!gst_segment_clip (segment,
GST_FORMAT_TIME, pts, pts_end, NULL, NULL)))
GST_FORMAT_TIME, pts, pts_end, NULL, NULL)
&& priv->drop_out_of_segment))
goto out_of_segment;
}

4
libs/gst/base/gstbasesink.h
View file

@ -207,6 +207,10 @@ GstFlowReturn gst_base_sink_wait_preroll (GstBaseSink *sink);
void gst_base_sink_set_sync (GstBaseSink *sink, gboolean sync);
gboolean gst_base_sink_get_sync (GstBaseSink *sink);
/* Drop buffers which are out of segment */
void gst_base_sink_set_drop_out_of_segment (GstBaseSink *sink, gboolean drop_clipped);
gboolean gst_base_sink_get_drop_out_of_segment (GstBaseSink *sink);
/* dropping late buffers */
void gst_base_sink_set_max_lateness (GstBaseSink *sink, gint64 max_lateness);
gint64 gst_base_sink_get_max_lateness (GstBaseSink *sink);

27
plugins/elements/gstfakesink.c
View file

@ -59,6 +59,7 @@ enum
};
#define DEFAULT_SYNC FALSE
#define DEFAULT_DROP_OUT_OF_SEGMENT TRUE
#define DEFAULT_STATE_ERROR FAKE_SINK_STATE_ERROR_NONE
#define DEFAULT_SILENT TRUE
@ -76,6 +77,7 @@ enum
PROP_SILENT,
PROP_DUMP,
PROP_SIGNAL_HANDOFFS,
PROP_DROP_OUT_OF_SEGMENT,
PROP_LAST_MESSAGE,
PROP_CAN_ACTIVATE_PUSH,
PROP_CAN_ACTIVATE_PULL,
@ -165,6 +167,12 @@ gst_fake_sink_class_init (GstFakeSinkClass * klass)
g_param_spec_boolean ("signal-handoffs", "Signal handoffs",
"Send a signal before unreffing the buffer", DEFAULT_SIGNAL_HANDOFFS,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_DROP_OUT_OF_SEGMENT,
g_param_spec_boolean ("drop-out-of-segment",
"Drop out-of-segment buffers",
"Drop and don't render / hand off out-of-segment buffers",
DEFAULT_DROP_OUT_OF_SEGMENT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_SILENT,
g_param_spec_boolean ("silent", "Silent",
"Don't produce last_message events", DEFAULT_SILENT,
@ -172,15 +180,14 @@ gst_fake_sink_class_init (GstFakeSinkClass * klass)
G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_DUMP,
g_param_spec_boolean ("dump", "Dump", "Dump buffer contents to stdout",
DEFAULT_DUMP, G_PARAM_READWRITE | GST_PARAM_MUTABLE_PLAYING |
DEFAULT_DUMP,
G_PARAM_READWRITE | GST_PARAM_MUTABLE_PLAYING |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class,
PROP_CAN_ACTIVATE_PUSH,
g_object_class_install_property (gobject_class, PROP_CAN_ACTIVATE_PUSH,
g_param_spec_boolean ("can-activate-push", "Can activate push",
"Can activate in push mode", DEFAULT_CAN_ACTIVATE_PUSH,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class,
PROP_CAN_ACTIVATE_PULL,
g_object_class_install_property (gobject_class, PROP_CAN_ACTIVATE_PULL,
g_param_spec_boolean ("can-activate-pull", "Can activate pull",
"Can activate in pull mode", DEFAULT_CAN_ACTIVATE_PULL,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
@ -247,6 +254,8 @@ gst_fake_sink_init (GstFakeSink * fakesink)
fakesink->num_buffers = DEFAULT_NUM_BUFFERS;
gst_base_sink_set_sync (GST_BASE_SINK (fakesink), DEFAULT_SYNC);
gst_base_sink_set_drop_out_of_segment (GST_BASE_SINK (fakesink),
DEFAULT_DROP_OUT_OF_SEGMENT);
}
static void
@ -276,6 +285,10 @@ gst_fake_sink_set_property (GObject * object, guint prop_id,
case PROP_SIGNAL_HANDOFFS:
sink->signal_handoffs = g_value_get_boolean (value);
break;
case PROP_DROP_OUT_OF_SEGMENT:
gst_base_sink_set_drop_out_of_segment (GST_BASE_SINK (object),
g_value_get_boolean (value));
break;
case PROP_CAN_ACTIVATE_PUSH:
GST_BASE_SINK (sink)->can_activate_push = g_value_get_boolean (value);
break;
@ -312,6 +325,10 @@ gst_fake_sink_get_property (GObject * object, guint prop_id, GValue * value,
case PROP_SIGNAL_HANDOFFS:
g_value_set_boolean (value, sink->signal_handoffs);
break;
case PROP_DROP_OUT_OF_SEGMENT:
g_value_set_boolean (value,
gst_base_sink_get_drop_out_of_segment (GST_BASE_SINK (object)));
break;
case PROP_LAST_MESSAGE:
GST_OBJECT_LOCK (sink);
g_value_set_string (value, sink->last_message);