Type of analytics meta data
Handle containing data required to use gst_analytics_cls_mtd APIs. This type
is generally expected to be allocated on the stack.
Instance identifier.
Instance of #GstAnalyticsRelationMeta where the analysis-metadata
identified by @id is stored.
index of the class associated with @quarks ( and label) or
a negative value on failure.
Instance handle
Quark of the class
Get index of class represented by @quark
Number of classes in this classification instance
Instance handle
Get number of classes
Get confidence level for class at @index
confidence level for @index, <0.0 if the call failed.
instance handle
Object class index
Quark of this class (label) associated with @index
Instance handle
index of the class
Get quark of the class at @index
Get a id identifying #GstAnalyticsMtd type.
opaque id of #GstAnalyticsMtd type
A wildcard matching any type of analysis
Handle containing data required to use gst_analytics_mtd API. This type
is generally expected to be allocated on the stack.
Instance identifier.
Instance of #GstAnalyticsRelationMeta where the analysis-metadata
identified by @id is stored.
Id of @instance
Instance of #GstAnalyticsMtd
Get instance id
opaque id of the type
Instance of #GstAnalyticsMtd
Get analysis result type.
@instance Instance of #GstAnalyticsRelatableMtd
Get instance size
Size (in bytes) of this instance or 0 on failure.
Gets the string version of the name of this type of analytics data
the name
The type of analytics data
Handle containing data required to use gst_analytics_od_mtd APIs. This type
is generally expected to be allocated on the stack.
Instance identifier.
Instance of #GstAnalyticsRelationMeta where the analysis-metadata
identified by @id is stored.
Retrieve location confidence level.
TRUE on success, otherwise FALSE.
instance
Confidence on object location
Retrieve location and location confidence level.
TRUE on success, otherwise FALSE.
instance
x component of upper-left corner of the object location
y component of upper-left corner of the object location
bounding box width of the object location
bounding box height of the object location
Confidence on object location
Quark of the class of object associated with this location.
Quark different from on success and 0 on failure.
Instance handle
Get an id that represent object-detection metadata type
Opaqu id of the #GstAnalyticsMtd type
No relation
First analysis-meta is part of second analysis-meta
First analysis-meta contain second analysis-meta.
reserved
Only use for criteria.
Add analytic classification metadata to @instance.
Added successfully
Instance of #GstAnalyticsRelationMeta where to add classification instance
length of @confidence_levels
confidence levels
labels of this
classification. Order define index, quark, labels relation. This array
need to exist as long has this classification meta exist.
Handle updated to newly added classification meta.
Add a relatable metadata to @meta. This method is meant to be used by
new struct sub-classing GstAnalyticsRelatableMtd.
A pointer to a memory area of size @size where to put the data
Since 1.24
Instance
Implementation of relatable (#GstAnalyticsRelatableMtd)
Size required
Updated handle
Added successfully
Instance of #GstAnalyticsRelationMeta where to add classification instance
Quark of the object type
x component of bounding box upper-left corner
y component of bounding box upper-left corner
bounding box width
bounding box height
confidence level on the object location
Handle updated with newly added object detection
meta. Add an object-detetion metadata to @instance.
Add analytic classification metadata to @instance.
Added successfully
Instance of #GstAnalyticsRelationMeta where to add classification instance
confidence levels
labels of this
classification. Order define index, quark, labels relation. This array
need to exist as long has this classification meta exist.
Handle updated to newly added classification meta.
Added successfully
Instance of GstAnalyticsRelationMeta where to add tracking mtd
Tracking id
Timestamp of first time the object was observed.
Handle updated with newly added tracking meta.
Add an analytic tracking metadata to @instance.
Verify existence of relation(s) between @an_meta_first_d and
@an_meta_second_id according to relation condition @cond_types. It optionally
also return a shortest path of relations ( compliant with @cond_types)
between @an_meta_first_id and @an_meta_second_id.
TRUE if a relation between exit between @an_meta_first_id and
@an_meta_second_id, otherwise FALSE.
Since 1.24
a #GstAnalyticsRelationMeta describing analysis-meta
relation
First analysis-meta
Second analysis-meta
Maximum number of relation between @an_meta_first_id and
@an_meta_second_id.
A value of 1 mean only only consider direct relation.
condition on relation types.
If not NULL this list will be filled with relation path between
@an_meta_first_id and
@an_meta_second_id. List value should be access with GSList API. Use
GPOINTER_TO_INT(iter->data) where iter is a GSList element to get
analysis-meta id on the relation path. Free this list with g_slist_free
(@relations_path) after using.
Fill @rlt if a analytics-meta with id == @an_meta_id exist in @meta instance,
otherwise this method return FALSE and @rlt is invalid.
TRUE if successful.
Since 1.24
Instance of #GstAnalyticsRelationMeta
Id of #GstAnalyticsClsMtd instance to retrieve
Will be filled with relatable
meta
TRUE if @rlt_mtd was updated, other wise FALSE
Since 1.24
GstAnalyticsRelationMeta instance where to query for
GstAnalyticsRelatableMtd.
Id of GstAnalyticsMtd involved in relation to query
Type of relation to filter on.
Type of GstAnalyticsMtd to filter on
Opaque data to store state of the query.
If @state point to NULL, the first analytics-metadata directly related
to @an_meta_id will be set in @rlt_mtd. Doesn't need to be free.
Handle updated to directly related relatable meta.
Fill @rlt if a analytics-meta with id == @an_meta_id exist in @meta instance,
otherwise this method return FALSE and @rlt is invalid.
TRUE if successful.
Since 1.24
Instance of GstAnalyticsRelationMeta
Id of GstAnalyticsMtd instance to retrieve
Filter on a specific type of analysis, use
%GST_ANALYTICS_MTD_TYPE_ANY to match any type
Will be filled with relatable
meta
Analytics data pointer
Since 1.24
Instance of GstAnalyticsRelationMeta
Id of GstAnalyticsMtd instance to retrieve
Fill @rlt if a analytics-meta with id == @an_meta_id exist in @meta instance,
otherwise this method return FALSE and @rlt is invalid.
TRUE if successful.
Since 1.24
Instance of #GstAnalyticsRelationMeta
Id of #GstAnalyticsOdMtd instance to retrieve
Will be filled with relatable
meta
relation description between first and second analysis-meta.
Get relations between first and second analysis-meta.
Ids (@an_meta_first_id and @an_meta_second_id) must be from a call to
@gst_analytics_mtd_get_id (handle).
a #GstAnalyticsRelationMeta
Id of first analysis-meta
Id of second analysis-meta
Fill @rlt if a analytics-meta with id == @an_meta_id exist in @meta instance,
otherwise this method return FALSE and @rlt is invalid.
TRUE if successful.
Since 1.24
Instance of GstAnalyticsRelationMeta
Id of GstAnalyticsMtd instance to retrieve
Will be filled with relatable
meta
FALSE if end was reached and iteration is completed.
Since 1.24
Instance of GstAnalyticsRelationMeta
Opaque data to store iteration state, initialize to NULL, no need to
free it.
Type of GstAnalyticsMtd to iterate on or use
%GST_ANALYTICS_MTD_TYPE_ANY for any.
Handle updated to iterated GstAnalyticsRelatableMtd.
Sets the relation (#GstAnalyticsRelTypes) between @an_meta_first and
@an_meta_second.
Ids must have been obtained a call to
@gst_analytics_mtd_get_id(handle).
TRUE on success and FALSE on failure.
Parameter to receive new maximum number of
analysis-meta described by relation.
a #GstAnalyticsRelTypes defining relation between two analysis-meta
first meta id
second meta id
GstAnalyticsRelationMeta initialization parameters.
Initial relations order.
Buffer size in bytes to store relatable metadata
Store information on results of object tracking
Instance identifier.
Instance of #GstAnalyticsRelationMeta where the analysis-metadata
identified by @id is stored.
Retrieve tracking information.
Successfully retrieved info.
Instance of tracking metadata
Updated tracking id
Updated timestamp of the tracking first observation.
Updated timestamp of the tracking last observation.
Has the tracking been lost
Update successful
Instance of GstAnalyticsTrackingMtd.
Set tracking to lost
GstAnalyticsTrackingMtd instance
Timestamp of last time this object was tracked
id representing the type of GstAnalyticsRelatableMtd
Get the opaque id identifying the relatable type
Attach a analysis-results-meta-relation meta (#GstAnalyticsRelationMeta)to @buffer.
A #GstAnalyticsRelationMeta is a metadata describing relation between other
analysis meta. It's more efficient to use #gst_buffer_add_analytics_relation_meta_full
and providing the maximum number of analysis meta that will attached to a buffer.
Newly attached #GstAnalyticsRelationMeta
Since 1.24
a #GstBuffer
Attache a analysis-results relation-meta (#GstAnalyticsRelationMeta) to @buffer.
A #GstAnalyticsRelationMeta is a metadata describing relation between other
analysis meta.
Newly attached #GstAnalyticsRelationMeta
Since 1.24
a #GstBuffer
Initialization parameters
Retrives the meta or %NULL if it doesn't exist
The #GstAnalyticsRelationMeta if there is one
a #GstBuffer
Get a id identifying #GstAnalyticsMtd type.
opaque id of #GstAnalyticsMtd type
Gets the string version of the name of this type of analytics data
the name
The type of analytics data
Get an id that represent object-detection metadata type
Opaqu id of the #GstAnalyticsMtd type
@instance Instance of #GstAnalyticsRelationMeta
Get number of relatable meta attached to instance
Number of analysis-meta attached to this
instance.
GType of GstAnalyticsRelationMeta
id representing the type of GstAnalyticsRelatableMtd
Get the opaque id identifying the relatable type