mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-09-29 23:32:33 +00:00
GstMessage: Add STREAM_STATUS message methods
Add methods to handle the stream_status message types.
This commit is contained in:
Wim Taymans
Wim Taymans
parent
81c0840ab0
commit
e72efeccd1
4 changed files with 159 additions and 1 deletions
|
|
@ -1043,7 +1043,6 @@ gst_iterator_result_get_type
|
|||
<TITLE>GstMessage</TITLE>
|
||||
GstMessage
|
||||
GstMessageType
|
||||
GstStructureChangeType
|
||||
GST_MESSAGE_SRC
|
||||
GST_MESSAGE_TIMESTAMP
|
||||
GST_MESSAGE_TYPE
|
||||
|
|
@ -1094,10 +1093,19 @@ gst_message_new_latency
|
|||
gst_message_new_async_start
|
||||
gst_message_parse_async_start
|
||||
gst_message_new_async_done
|
||||
|
||||
GstStructureChangeType
|
||||
gst_message_new_structure_change
|
||||
gst_message_parse_structure_change
|
||||
gst_message_new_request_state
|
||||
gst_message_parse_request_state
|
||||
|
||||
GstStreamStatusType
|
||||
gst_message_new_stream_status
|
||||
gst_message_parse_stream_status
|
||||
gst_message_set_stream_status_object
|
||||
gst_message_get_stream_status_object
|
||||
|
||||
<SUBSECTION Standard>
|
||||
GstMessageClass
|
||||
GST_MESSAGE
|
||||
|
|
@ -1109,10 +1117,12 @@ GST_IS_MESSAGE_CLASS
|
|||
GST_MESSAGE_GET_CLASS
|
||||
GST_TYPE_MESSAGE_TYPE
|
||||
GST_TYPE_STRUCTURE_CHANGE_TYPE
|
||||
GST_TYPE_STREAM_STATUS_TYPE
|
||||
<SUBSECTION Private>
|
||||
gst_message_get_type
|
||||
gst_message_type_get_type
|
||||
gst_structure_change_type_get_type
|
||||
gst_stream_status_type_get_type
|
||||
GST_MESSAGE_COND
|
||||
GST_MESSAGE_GET_LOCK
|
||||
GST_MESSAGE_LOCK
|
||||
|
|
|
|||
109
gst/gstmessage.c
109
gst/gstmessage.c
|
|
@ -1458,3 +1458,112 @@ gst_message_parse_request_state (GstMessage * message, GstState * state)
|
|||
*state = g_value_get_enum (gst_structure_id_get_value (message->structure,
|
||||
GST_QUARK (NEW_STATE)));
|
||||
}
|
||||
|
||||
/**
|
||||
* gst_message_new_stream_status:
|
||||
* @src: The object originating the message.
|
||||
* @type: The stream status type.
|
||||
* @owner: The owner element of @src.
|
||||
*
|
||||
* Create a new stream status message. This message is posted when a streaming
|
||||
* thread is created/destroyed or when the state changed.
|
||||
*
|
||||
* Returns: The new stream status message.
|
||||
*
|
||||
* MT safe.
|
||||
*
|
||||
* Since: 0.10.24.
|
||||
*/
|
||||
GstMessage *
|
||||
gst_message_new_stream_status (GstObject * src, GstStreamStatusType type,
|
||||
GstElement * owner)
|
||||
{
|
||||
GstMessage *message;
|
||||
GstStructure *structure;
|
||||
|
||||
structure = gst_structure_empty_new ("GstMessageStreamStatus");
|
||||
gst_structure_id_set (structure,
|
||||
GST_QUARK (TYPE), GST_TYPE_STREAM_STATUS_TYPE, (gint) type,
|
||||
GST_QUARK (OWNER), GST_TYPE_ELEMENT, owner, NULL);
|
||||
message = gst_message_new_custom (GST_MESSAGE_STREAM_STATUS, src, structure);
|
||||
|
||||
return message;
|
||||
}
|
||||
|
||||
/**
|
||||
* gst_message_parse_stream_status:
|
||||
* @message: A valid #GstMessage of type GST_MESSAGE_STREAM_STATUS.
|
||||
* @type: A pointer to hold the status type
|
||||
* @owner: The owner element of the message source
|
||||
*
|
||||
* Extracts the stream status type and owner the GstMessage.
|
||||
*
|
||||
* Since: 0.10.24.
|
||||
*
|
||||
* MT safe.
|
||||
*/
|
||||
void
|
||||
gst_message_parse_stream_status (GstMessage * message,
|
||||
GstStreamStatusType * type, GstElement ** owner)
|
||||
{
|
||||
const GValue *owner_gvalue;
|
||||
|
||||
g_return_if_fail (GST_IS_MESSAGE (message));
|
||||
g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_STREAM_STATUS);
|
||||
|
||||
owner_gvalue =
|
||||
gst_structure_id_get_value (message->structure, GST_QUARK (OWNER));
|
||||
g_return_if_fail (owner_gvalue != NULL);
|
||||
|
||||
if (type)
|
||||
*type = g_value_get_enum (gst_structure_id_get_value (message->structure,
|
||||
GST_QUARK (TYPE)));
|
||||
if (owner)
|
||||
*owner = (GstElement *) g_value_get_object (owner_gvalue);
|
||||
}
|
||||
|
||||
/**
|
||||
* gst_message_set_stream_status_object:
|
||||
* @message: A valid #GstMessage of type GST_MESSAGE_STREAM_STATUS.
|
||||
* @object: the object controlling the streaming
|
||||
*
|
||||
* Configures the object handling the streaming thread. This is usually a
|
||||
* GstTask object but other objects might be added in the future.
|
||||
*
|
||||
* Since: 0.10.24
|
||||
*/
|
||||
void
|
||||
gst_message_set_stream_status_object (GstMessage * message,
|
||||
const GValue * object)
|
||||
{
|
||||
g_return_if_fail (GST_IS_MESSAGE (message));
|
||||
g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_STREAM_STATUS);
|
||||
|
||||
gst_structure_id_set_value (message->structure, GST_QUARK (OBJECT), object);
|
||||
}
|
||||
|
||||
/**
|
||||
* gst_message_get_stream_status_object:
|
||||
* @message: A valid #GstMessage of type GST_MESSAGE_STREAM_STATUS.
|
||||
*
|
||||
* Extracts the object managing the streaming thread from @message.
|
||||
*
|
||||
* Returns: a GValue containing the object that manages the streaming thread.
|
||||
* This object is usually of type GstTask but other types can be added in the
|
||||
* future. The object remains valid as long as @message is valid.
|
||||
*
|
||||
* Since: 0.10.24
|
||||
*/
|
||||
const GValue *
|
||||
gst_message_get_stream_status_object (GstMessage * message)
|
||||
{
|
||||
const GValue *result;
|
||||
|
||||
g_return_val_if_fail (GST_IS_MESSAGE (message), NULL);
|
||||
g_return_val_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_STREAM_STATUS,
|
||||
NULL);
|
||||
|
||||
result = gst_structure_id_get_value (message->structure, GST_QUARK (OBJECT));
|
||||
|
||||
return result;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -197,6 +197,32 @@ typedef enum {
|
|||
GST_STRUCTURE_CHANGE_TYPE_PAD_UNLINK = 1
|
||||
} GstStructureChangeType;
|
||||
|
||||
/**
|
||||
* GstStreamStatusType:
|
||||
* @GST_STREAM_STATUS_TYPE_CREATE: A new thread need to be created.
|
||||
* @GST_STREAM_STATUS_TYPE_ENTER: a thread entered its loop function
|
||||
* @GST_STREAM_STATUS_TYPE_LEAVE: a thread left its loop function
|
||||
* @GST_STREAM_STATUS_TYPE_DESTROY: a thread is destroyed
|
||||
* @GST_STREAM_STATUS_TYPE_START: a thread is started
|
||||
* @GST_STREAM_STATUS_TYPE_PAUSE: a thread is paused
|
||||
* @GST_STREAM_STATUS_TYPE_STOP: a thread is stopped
|
||||
*
|
||||
* The type of a #GstMessageStreamStatus. The stream status messages inform the
|
||||
* application of new streaming threads and their status.
|
||||
*
|
||||
* Since: 0.10.24
|
||||
*/
|
||||
typedef enum {
|
||||
GST_STREAM_STATUS_TYPE_CREATE = 0,
|
||||
GST_STREAM_STATUS_TYPE_ENTER = 1,
|
||||
GST_STREAM_STATUS_TYPE_LEAVE = 2,
|
||||
GST_STREAM_STATUS_TYPE_DESTROY = 3,
|
||||
|
||||
GST_STREAM_STATUS_TYPE_START = 8,
|
||||
GST_STREAM_STATUS_TYPE_PAUSE = 9,
|
||||
GST_STREAM_STATUS_TYPE_STOP = 10
|
||||
} GstStreamStatusType;
|
||||
|
||||
/**
|
||||
* GstMessage:
|
||||
* @mini_object: the parent structure
|
||||
|
|
@ -405,6 +431,14 @@ GstMessage * gst_message_new_structure_change (GstObject * src, GstStructureCh
|
|||
void gst_message_parse_structure_change (GstMessage *message, GstStructureChangeType *type,
|
||||
GstElement **owner, gboolean *busy);
|
||||
|
||||
/* STREAM STATUS */
|
||||
GstMessage * gst_message_new_stream_status (GstObject * src, GstStreamStatusType type,
|
||||
GstElement *owner);
|
||||
void gst_message_parse_stream_status (GstMessage *message, GstStreamStatusType *type,
|
||||
GstElement **owner);
|
||||
void gst_message_set_stream_status_object (GstMessage *message, const GValue *object);
|
||||
const GValue * gst_message_get_stream_status_object (GstMessage *message);
|
||||
|
||||
/* REQUEST_STATE */
|
||||
GstMessage * gst_message_new_request_state (GstObject * src, GstState state);
|
||||
void gst_message_parse_request_state (GstMessage * message, GstState *state);
|
||||
|
|
|
|||
|
|
@ -446,6 +446,7 @@ EXPORTS
|
|||
gst_marshal_VOID__POINTER_OBJECT
|
||||
gst_marshal_VOID__UINT_BOXED
|
||||
gst_message_get_seqnum
|
||||
gst_message_get_stream_status_object
|
||||
gst_message_get_structure
|
||||
gst_message_get_type
|
||||
gst_message_new_application
|
||||
|
|
@ -467,6 +468,7 @@ EXPORTS
|
|||
gst_message_new_segment_start
|
||||
gst_message_new_state_changed
|
||||
gst_message_new_state_dirty
|
||||
gst_message_new_stream_status
|
||||
gst_message_new_structure_change
|
||||
gst_message_new_tag
|
||||
gst_message_new_warning
|
||||
|
|
@ -483,11 +485,13 @@ EXPORTS
|
|||
gst_message_parse_segment_done
|
||||
gst_message_parse_segment_start
|
||||
gst_message_parse_state_changed
|
||||
gst_message_parse_stream_status
|
||||
gst_message_parse_structure_change
|
||||
gst_message_parse_tag
|
||||
gst_message_parse_warning
|
||||
gst_message_set_buffering_stats
|
||||
gst_message_set_seqnum
|
||||
gst_message_set_stream_status_object
|
||||
gst_message_type_get_name
|
||||
gst_message_type_get_type
|
||||
gst_message_type_to_quark
|
||||
|
|
@ -815,6 +819,7 @@ EXPORTS
|
|||
gst_static_pad_template_get_type
|
||||
gst_stream_error_get_type
|
||||
gst_stream_error_quark
|
||||
gst_stream_status_type_get_type
|
||||
gst_structure_change_type_get_type
|
||||
gst_structure_copy
|
||||
gst_structure_empty_new
|
||||
|
|
|
|||
Loading…
Reference in a new issue