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plugins/elements/gstidentity.*: Add property to disable handoff signal emission. Fixes #498694.

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Original commit message from CVS:
Patch by: Laurent Glayal <spglegle at yahoo dot fr>
* plugins/elements/gstidentity.c: (gst_identity_class_init),
(gst_identity_init), (gst_identity_transform_ip),
(gst_identity_set_property), (gst_identity_get_property):
* plugins/elements/gstidentity.h:
Add property to disable handoff signal emission. Fixes #498694.
API: GstIdentity::signal-handoffs
This commit is contained in:
Laurent Glayal 2007-11-21 13:27:50 +00:00 committed by Wim Taymans
parent 5e43ebcda5
commit 54ff34dc2d
3 changed files with 39 additions and 4 deletions
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11
ChangeLog
View file

@ -1,3 +1,14 @@
2007-11-21 Wim Taymans <wim.taymans@gmail.com>
Patch by: Laurent Glayal <spglegle at yahoo dot fr>
* plugins/elements/gstidentity.c: (gst_identity_class_init),
(gst_identity_init), (gst_identity_transform_ip),
(gst_identity_set_property), (gst_identity_get_property):
* plugins/elements/gstidentity.h:
Add property to disable handoff signal emission. Fixes #498694.
API: GstIdentity::signal-handoffs
2007-11-21 Julien Moutte <julien@fluendo.com> 2007-11-21 Julien Moutte <julien@fluendo.com>
* docs/faq/gst-uninstalled: Yet another missing library for the * docs/faq/gst-uninstalled: Yet another missing library for the

31
plugins/elements/gstidentity.c
View file

@ -71,6 +71,7 @@ enum
#define DEFAULT_CHECK_PERFECT FALSE #define DEFAULT_CHECK_PERFECT FALSE
#define DEFAULT_CHECK_IMPERFECT_TIMESTAMP FALSE #define DEFAULT_CHECK_IMPERFECT_TIMESTAMP FALSE
#define DEFAULT_CHECK_IMPERFECT_OFFSET FALSE #define DEFAULT_CHECK_IMPERFECT_OFFSET FALSE
#define DEFAULT_SIGNAL_HANDOFFS TRUE
enum enum
{ {
@ -86,7 +87,8 @@ enum
PROP_SYNC, PROP_SYNC,
PROP_CHECK_PERFECT, PROP_CHECK_PERFECT,
PROP_CHECK_IMPERFECT_TIMESTAMP, PROP_CHECK_IMPERFECT_TIMESTAMP,
PROP_CHECK_IMPERFECT_OFFSET PROP_CHECK_IMPERFECT_OFFSET,
PROP_SIGNAL_HANDOFFS
}; };
@ -229,7 +231,20 @@ gst_identity_class_init (GstIdentityClass * klass)
"Send element messages if offset and offset_end do not match up", "Send element messages if offset and offset_end do not match up",
DEFAULT_CHECK_IMPERFECT_OFFSET, G_PARAM_READWRITE)); DEFAULT_CHECK_IMPERFECT_OFFSET, G_PARAM_READWRITE));
/** /**
* GstIdentity:signal-handoffs
*
* If set to #TRUE, the identity will emit a handoff signal when handling a buffer.
* When set to #FALSE, no signal will be emited, which might improve performance.
*
* Since: 0.10.16
*/
g_object_class_install_property (gobject_class, PROP_SIGNAL_HANDOFFS,
g_param_spec_boolean ("signal-handoffs",
"Signal handoffs", "Send a signal before pushing the buffer",
DEFAULT_SIGNAL_HANDOFFS, G_PARAM_READWRITE));
/**
* GstIdentity::handoff: * GstIdentity::handoff:
* @identity: the identity instance * @identity: the identity instance
* @buffer: the buffer that just has been received * @buffer: the buffer that just has been received
@ -268,6 +283,7 @@ gst_identity_init (GstIdentity * identity, GstIdentityClass * g_class)
identity->check_imperfect_offset = DEFAULT_CHECK_IMPERFECT_OFFSET; identity->check_imperfect_offset = DEFAULT_CHECK_IMPERFECT_OFFSET;
identity->dump = DEFAULT_DUMP; identity->dump = DEFAULT_DUMP;
identity->last_message = NULL; identity->last_message = NULL;
identity->signal_handoffs = DEFAULT_SIGNAL_HANDOFFS;
} }
static gboolean static gboolean
@ -548,8 +564,9 @@ gst_identity_transform_ip (GstBaseTransform * trans, GstBuffer * buf)
GST_BUFFER_SIZE (buf) * GST_SECOND / identity->datarate; GST_BUFFER_SIZE (buf) * GST_SECOND / identity->datarate;
} }
g_signal_emit (G_OBJECT (identity), gst_identity_signals[SIGNAL_HANDOFF], 0, if (identity->signal_handoffs)
buf); g_signal_emit (G_OBJECT (identity), gst_identity_signals[SIGNAL_HANDOFF], 0,
buf);
if (trans->segment.format == GST_FORMAT_TIME) if (trans->segment.format == GST_FORMAT_TIME)
runtimestamp = gst_segment_to_running_time (&trans->segment, runtimestamp = gst_segment_to_running_time (&trans->segment,
@ -640,6 +657,9 @@ gst_identity_set_property (GObject * object, guint prop_id,
case PROP_CHECK_IMPERFECT_OFFSET: case PROP_CHECK_IMPERFECT_OFFSET:
identity->check_imperfect_offset = g_value_get_boolean (value); identity->check_imperfect_offset = g_value_get_boolean (value);
break; break;
case PROP_SIGNAL_HANDOFFS:
identity->signal_handoffs = g_value_get_boolean (value);
break;
default: default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break; break;
@ -693,6 +713,9 @@ gst_identity_get_property (GObject * object, guint prop_id, GValue * value,
case PROP_CHECK_IMPERFECT_OFFSET: case PROP_CHECK_IMPERFECT_OFFSET:
g_value_set_boolean (value, identity->check_imperfect_offset); g_value_set_boolean (value, identity->check_imperfect_offset);
break; break;
case PROP_SIGNAL_HANDOFFS:
g_value_set_boolean (value, identity->signal_handoffs);
break;
default: default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break; break;

1
plugins/elements/gstidentity.h
View file

@ -72,6 +72,7 @@ struct _GstIdentity {
guint64 prev_offset_end; guint64 prev_offset_end;
gchar *last_message; gchar *last_message;
guint64 offset; guint64 offset;
gboolean signal_handoffs;
}; };
struct _GstIdentityClass { struct _GstIdentityClass {