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decodebin2: Add property to disable/enable posting of stream-topology messages

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Most people don't need this messages and generating them is quite
expensive.
This commit is contained in:
Sebastian Dröge 2009-11-06 17:01:04 +01:00
parent 5798b543df
commit 6c15d9e8d4
1 changed files with 26 additions and 1 deletions
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27
gst/playback/gstdecodebin2.c
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@ -141,6 +141,7 @@ struct _GstDecodeBin
guint max_size_bytes;
guint max_size_buffers;
guint64 max_size_time;
gboolean post_stream_topology;
GstElement *typefind; /* this holds the typefind object */
@ -226,6 +227,7 @@ enum
#define DEFAULT_MAX_SIZE_BYTES 0
#define DEFAULT_MAX_SIZE_BUFFERS 0
#define DEFAULT_MAX_SIZE_TIME 0
#define DEFAULT_POST_STREAM_TOPOLOGY FALSE
/* Properties */
enum
@ -240,6 +242,7 @@ enum
PROP_MAX_SIZE_BYTES,
PROP_MAX_SIZE_BUFFERS,
PROP_MAX_SIZE_TIME,
PROP_POST_STREAM_TOPOLOGY,
PROP_LAST
};
@ -803,6 +806,21 @@ gst_decode_bin_class_init (GstDecodeBinClass * klass)
0, G_MAXUINT64,
DEFAULT_MAX_SIZE_TIME, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
* GstDecodeBin2::post-stream-topology
*
* Post stream-topology messages on the bus every time the topology changes.
*
* Since: 0.10.26
*/
g_object_class_install_property (gobject_klass, PROP_POST_STREAM_TOPOLOGY,
g_param_spec_boolean ("post-stream-topology", "Post Stream Topology",
"Post stream-topology messages",
DEFAULT_POST_STREAM_TOPOLOGY,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
klass->autoplug_continue =
GST_DEBUG_FUNCPTR (gst_decode_bin_autoplug_continue);
klass->autoplug_factories =
@ -1062,6 +1080,9 @@ gst_decode_bin_set_property (GObject * object, guint prop_id,
case PROP_MAX_SIZE_TIME:
dbin->max_size_time = g_value_get_uint64 (value);
break;
case PROP_POST_STREAM_TOPOLOGY:
dbin->post_stream_topology = g_value_get_boolean (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -1103,6 +1124,9 @@ gst_decode_bin_get_property (GObject * object, guint prop_id,
case PROP_MAX_SIZE_TIME:
g_value_set_uint64 (value, dbin->max_size_time);
break;
case PROP_POST_STREAM_TOPOLOGY:
g_value_set_boolean (value, dbin->post_stream_topology);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -2895,7 +2919,8 @@ gst_decode_bin_expose (GstDecodeBin * dbin)
gst_element_no_more_pads (GST_ELEMENT (dbin));
/* 5. Send a custom element message with the stream topology */
gst_decode_bin_post_topology_message (dbin);
if (dbin->post_stream_topology)
gst_decode_bin_post_topology_message (dbin);
/* 6. Unblock internal pads. The application should have connected stuff now
* so that streaming can continue. */