static void
_gst_context_free (GstContext * context)
{
GstStructure *structure;
g_return_if_fail (context != NULL);
GST_CAT_LOG (GST_CAT_CONTEXT, "finalize context %p: %" GST_PTR_FORMAT,
context, GST_CONTEXT_STRUCTURE (context));
structure = GST_CONTEXT_STRUCTURE (context);
if (structure) {
gst_structure_set_parent_refcount (structure, NULL);
gst_structure_free (structure);
}
g_free (context->context_type);
g_slice_free1 (sizeof (GstContext), context);
}
/**
* gst_event_writable_structure:
* @event: The #GstEvent.
*
* Get a writable version of the structure.
*
* Returns: The structure of the event. The structure is still
* owned by the event, which means that you should not free it and
* that the pointer becomes invalid when you free the event.
* This function checks if @event is writable and will never return NULL.
*
* MT safe.
*/
GstStructure *
gst_event_writable_structure (GstEvent * event)
{
GstStructure *structure;
g_return_val_if_fail (GST_IS_EVENT (event), NULL);
g_return_val_if_fail (gst_event_is_writable (event), NULL);
structure = GST_EVENT_STRUCTURE (event);
if (structure == NULL) {
structure =
gst_structure_new_id_empty (gst_event_type_to_quark (GST_EVENT_TYPE
(event)));
gst_structure_set_parent_refcount (structure, &event->mini_object.refcount);
GST_EVENT_STRUCTURE (event) = structure;
}
return structure;
}
static void
_gst_event_free (GstEvent * event)
{
GstStructure *s;
g_return_if_fail (event != NULL);
g_return_if_fail (GST_IS_EVENT (event));
GST_CAT_LOG (GST_CAT_EVENT, "freeing event %p type %s", event,
GST_EVENT_TYPE_NAME (event));
s = GST_EVENT_STRUCTURE (event);
if (s) {
gst_structure_set_parent_refcount (s, NULL);
gst_structure_free (s);
}
g_slice_free1 (sizeof (GstEventImpl), event);
}
static void
gst_event_finalize (GstEvent * event)
{
g_return_if_fail (event != NULL);
g_return_if_fail (GST_IS_EVENT (event));
GST_CAT_LOG (GST_CAT_EVENT, "freeing event %p type %s", event,
GST_EVENT_TYPE_NAME (event));
if (GST_EVENT_SRC (event)) {
gst_object_unref (GST_EVENT_SRC (event));
GST_EVENT_SRC (event) = NULL;
}
if (event->structure) {
gst_structure_set_parent_refcount (event->structure, NULL);
gst_structure_free (event->structure);
}
/* GST_MINI_OBJECT_CLASS (parent_class)->finalize (GST_MINI_OBJECT (event)); */
}
static GstEvent *
_gst_event_copy (GstEvent * event)
{
GstEvent *copy;
copy = (GstEvent *) gst_mini_object_new (GST_TYPE_EVENT);
GST_EVENT_TYPE (copy) = GST_EVENT_TYPE (event);
GST_EVENT_TIMESTAMP (copy) = GST_EVENT_TIMESTAMP (event);
GST_EVENT_SEQNUM (copy) = GST_EVENT_SEQNUM (event);
if (GST_EVENT_SRC (event)) {
GST_EVENT_SRC (copy) = gst_object_ref (GST_EVENT_SRC (event));
}
if (event->structure) {
copy->structure = gst_structure_copy (event->structure);
gst_structure_set_parent_refcount (copy->structure,
©->mini_object.refcount);
}
return copy;
}
static GstQuery *
gst_query_new (GstQueryType type, GstStructure * structure)
{
GstQuery *query;
query = (GstQuery *) gst_mini_object_new (GST_TYPE_QUERY);
GST_DEBUG ("creating new query %p %d", query, type);
query->type = type;
if (structure) {
query->structure = structure;
gst_structure_set_parent_refcount (query->structure,
&query->mini_object.refcount);
} else {
query->structure = NULL;
}
return query;
}
/**
* gst_sample_new:
* @buffer: (transfer none) (allow-none): a #GstBuffer, or NULL
* @caps: (transfer none) (allow-none): a #GstCaps, or NULL
* @segment: transfer none) (allow-none): a #GstSegment, or NULL
* @info: (transfer full) (allow-none): a #GstStructure, or NULL
*
* Create a new #GstSample with the provided details.
*
* Free-function: gst_sample_unref
*
* Returns: (transfer full): the new #GstSample. gst_sample_unref()
* after usage.
*/
GstSample *
gst_sample_new (GstBuffer * buffer, GstCaps * caps, const GstSegment * segment,
GstStructure * info)
{
GstSample *sample;
sample = g_slice_new0 (GstSample);
GST_LOG ("new %p", sample);
gst_mini_object_init (GST_MINI_OBJECT_CAST (sample), 0, _gst_sample_type,
(GstMiniObjectCopyFunction) _gst_sample_copy, NULL,
(GstMiniObjectFreeFunction) _gst_sample_free);
sample->buffer = buffer ? gst_buffer_ref (buffer) : NULL;
sample->caps = caps ? gst_caps_ref (caps) : NULL;
if (segment)
gst_segment_copy_into (segment, &sample->segment);
else
gst_segment_init (&sample->segment, GST_FORMAT_TIME);
if (info) {
if (!gst_structure_set_parent_refcount (info,
&sample->mini_object.refcount))
goto had_parent;
sample->info = info;
}
return sample;
/* ERRORS */
had_parent:
{
gst_sample_unref (sample);
g_warning ("structure is already owned by another object");
return NULL;
}
}
/**
* gst_context_new:
* @context_type: Context type
* @persistent: Persistent context
*
* Create a new context.
*
* Returns: (transfer full): The new context.
*
* Since: 1.2
*/
GstContext *
gst_context_new (const gchar * context_type, gboolean persistent)
{
GstContext *context;
GstStructure *structure;
g_return_val_if_fail (context_type != NULL, NULL);
context = g_slice_new0 (GstContext);
GST_CAT_LOG (GST_CAT_CONTEXT, "creating new context %p", context);
structure = gst_structure_new_id_empty (GST_QUARK (CONTEXT));
gst_structure_set_parent_refcount (structure, &context->mini_object.refcount);
gst_context_init (context);
context->context_type = g_strdup (context_type);
GST_CONTEXT_STRUCTURE (context) = structure;
context->persistent = persistent;
return context;
}
static GstEvent *
_gst_event_copy (GstEvent * event)
{
GstEventImpl *copy;
GstStructure *s;
copy = g_slice_new0 (GstEventImpl);
gst_event_init (copy, GST_EVENT_TYPE (event));
GST_EVENT_TIMESTAMP (copy) = GST_EVENT_TIMESTAMP (event);
GST_EVENT_SEQNUM (copy) = GST_EVENT_SEQNUM (event);
s = GST_EVENT_STRUCTURE (event);
if (s) {
GST_EVENT_STRUCTURE (copy) = gst_structure_copy (s);
gst_structure_set_parent_refcount (GST_EVENT_STRUCTURE (copy),
©->event.mini_object.refcount);
} else {
GST_EVENT_STRUCTURE (copy) = NULL;
}
return GST_EVENT_CAST (copy);
}
static void
gst_buffer_copy_qdata (GstBuffer * dest, const GstBuffer * src)
{
GstBufferPrivate *priv;
GQueue qdata_copy = G_QUEUE_INIT;
GList *l;
if (G_LIKELY (src->priv == NULL))
return;
for (l = src->priv->qdata; l != NULL; l = l->next) {
GstStructure *s = gst_structure_copy (l->data);
gst_structure_set_parent_refcount (s, &dest->mini_object.refcount);
g_queue_push_tail (&qdata_copy, s);
GST_CAT_TRACE (GST_CAT_BUFFER, "copying qdata '%s' from buffer %p to %p",
g_quark_to_string (s->name), src, dest);
}
priv = gst_buffer_ensure_priv (dest);
priv->qdata = qdata_copy.head;
}
static GstContext *
_gst_context_copy (GstContext * context)
{
GstContext *copy;
GstStructure *structure;
GST_CAT_LOG (GST_CAT_CONTEXT, "copy context %p: %" GST_PTR_FORMAT, context,
GST_CONTEXT_STRUCTURE (context));
copy = g_slice_new0 (GstContext);
gst_context_init (copy);
copy->context_type = g_strdup (context->context_type);
structure = GST_CONTEXT_STRUCTURE (context);
GST_CONTEXT_STRUCTURE (copy) = gst_structure_copy (structure);
gst_structure_set_parent_refcount (GST_CONTEXT_STRUCTURE (copy),
©->mini_object.refcount);
copy->persistent = context->persistent;
return GST_CONTEXT_CAST (copy);
}
