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-rw-r--r--gst/gstevent.h67
1 files changed, 35 insertions, 32 deletions
diff --git a/gst/gstevent.h b/gst/gstevent.h
index 0d96e26c75..53210bf05e 100644
--- a/gst/gstevent.h
+++ b/gst/gstevent.h
@@ -40,6 +40,7 @@ G_BEGIN_DECLS
* @GST_EVENT_TYPE_DOWNSTREAM: Set if the event can travel downstream.
* @GST_EVENT_TYPE_SERIALIZED: Set if the event should be serialized with data
* flow.
+ * @GST_EVENT_TYPE_STICKY: Set if the event is sticky on the pads.
*
* #GstEventTypeFlags indicate the aspects of the different #GstEventType
* values. You can get the type flags of a #GstEventType with the
@@ -48,7 +49,8 @@ G_BEGIN_DECLS
typedef enum {
GST_EVENT_TYPE_UPSTREAM = 1 << 0,
GST_EVENT_TYPE_DOWNSTREAM = 1 << 1,
- GST_EVENT_TYPE_SERIALIZED = 1 << 2
+ GST_EVENT_TYPE_SERIALIZED = 1 << 2,
+ GST_EVENT_TYPE_STICKY = 1 << 3
} GstEventTypeFlags;
/**
@@ -59,21 +61,25 @@ typedef enum {
#define GST_EVENT_TYPE_BOTH \
(GST_EVENT_TYPE_UPSTREAM | GST_EVENT_TYPE_DOWNSTREAM)
-#define GST_EVENT_TYPE_SHIFT 4
+#define GST_EVENT_STICKY_SHIFT 8
+#define GST_EVENT_NUM_SHIFT 16
/**
* GST_EVENT_MAKE_TYPE:
* @num: the event number to create
+ * @idx: the index in the sticky array
* @flags: the event flags
*
* when making custom event types, use this macro with the num and
* the given flags
*/
-#define GST_EVENT_MAKE_TYPE(num,flags) \
- (((num) << GST_EVENT_TYPE_SHIFT) | (flags))
+#define GST_EVENT_MAKE_TYPE(num,idx,flags) \
+ (((num) << GST_EVENT_NUM_SHIFT) | ((idx) << GST_EVENT_STICKY_SHIFT) | (flags))
#define FLAG(name) GST_EVENT_TYPE_##name
+#define GST_EVENT_STICKY_IDX(ev) ((GST_EVENT_TYPE(ev) >> GST_EVENT_STICKY_SHIFT) & 0xff)
+
/**
* GstEventType:
* @GST_EVENT_UNKNOWN: unknown event.
@@ -124,29 +130,29 @@ typedef enum {
*/
/* NOTE: keep in sync with quark registration in gstevent.c */
typedef enum {
- GST_EVENT_UNKNOWN = GST_EVENT_MAKE_TYPE (0, 0),
+ GST_EVENT_UNKNOWN = GST_EVENT_MAKE_TYPE (0, 0, 0),
/* bidirectional events */
- GST_EVENT_FLUSH_START = GST_EVENT_MAKE_TYPE (1, FLAG(BOTH)),
- GST_EVENT_FLUSH_STOP = GST_EVENT_MAKE_TYPE (2, FLAG(BOTH) | FLAG(SERIALIZED)),
+ GST_EVENT_FLUSH_START = GST_EVENT_MAKE_TYPE (1, 0, FLAG(BOTH)),
+ GST_EVENT_FLUSH_STOP = GST_EVENT_MAKE_TYPE (2, 0, FLAG(BOTH) | FLAG(SERIALIZED)),
/* downstream serialized events */
- GST_EVENT_EOS = GST_EVENT_MAKE_TYPE (5, FLAG(DOWNSTREAM) | FLAG(SERIALIZED)),
- GST_EVENT_NEWSEGMENT = GST_EVENT_MAKE_TYPE (6, FLAG(DOWNSTREAM) | FLAG(SERIALIZED)),
- GST_EVENT_TAG = GST_EVENT_MAKE_TYPE (7, FLAG(DOWNSTREAM) | FLAG(SERIALIZED)),
- GST_EVENT_BUFFERSIZE = GST_EVENT_MAKE_TYPE (8, FLAG(DOWNSTREAM) | FLAG(SERIALIZED)),
- GST_EVENT_SINK_MESSAGE = GST_EVENT_MAKE_TYPE (9, FLAG(DOWNSTREAM) | FLAG(SERIALIZED)),
+ GST_EVENT_EOS = GST_EVENT_MAKE_TYPE (5, 0, FLAG(DOWNSTREAM) | FLAG(SERIALIZED) | FLAG(STICKY)),
+ GST_EVENT_NEWSEGMENT = GST_EVENT_MAKE_TYPE (6, 1, FLAG(DOWNSTREAM) | FLAG(SERIALIZED) | FLAG(STICKY)),
+ GST_EVENT_TAG = GST_EVENT_MAKE_TYPE (7, 2, FLAG(DOWNSTREAM) | FLAG(SERIALIZED) | FLAG(STICKY)),
+ GST_EVENT_BUFFERSIZE = GST_EVENT_MAKE_TYPE (8, 3, FLAG(DOWNSTREAM) | FLAG(SERIALIZED) | FLAG(STICKY)),
+ GST_EVENT_SINK_MESSAGE = GST_EVENT_MAKE_TYPE (9, 4, FLAG(DOWNSTREAM) | FLAG(SERIALIZED) | FLAG(STICKY)),
/* upstream events */
- GST_EVENT_QOS = GST_EVENT_MAKE_TYPE (15, FLAG(UPSTREAM)),
- GST_EVENT_SEEK = GST_EVENT_MAKE_TYPE (16, FLAG(UPSTREAM)),
- GST_EVENT_NAVIGATION = GST_EVENT_MAKE_TYPE (17, FLAG(UPSTREAM)),
- GST_EVENT_LATENCY = GST_EVENT_MAKE_TYPE (18, FLAG(UPSTREAM)),
- GST_EVENT_STEP = GST_EVENT_MAKE_TYPE (19, FLAG(UPSTREAM)),
+ GST_EVENT_QOS = GST_EVENT_MAKE_TYPE (15, 0, FLAG(UPSTREAM)),
+ GST_EVENT_SEEK = GST_EVENT_MAKE_TYPE (16, 0, FLAG(UPSTREAM)),
+ GST_EVENT_NAVIGATION = GST_EVENT_MAKE_TYPE (17, 0, FLAG(UPSTREAM)),
+ GST_EVENT_LATENCY = GST_EVENT_MAKE_TYPE (18, 0, FLAG(UPSTREAM)),
+ GST_EVENT_STEP = GST_EVENT_MAKE_TYPE (19, 0, FLAG(UPSTREAM)),
/* custom events start here */
- GST_EVENT_CUSTOM_UPSTREAM = GST_EVENT_MAKE_TYPE (32, FLAG(UPSTREAM)),
- GST_EVENT_CUSTOM_DOWNSTREAM = GST_EVENT_MAKE_TYPE (32, FLAG(DOWNSTREAM) | FLAG(SERIALIZED)),
- GST_EVENT_CUSTOM_DOWNSTREAM_OOB = GST_EVENT_MAKE_TYPE (32, FLAG(DOWNSTREAM)),
- GST_EVENT_CUSTOM_BOTH = GST_EVENT_MAKE_TYPE (32, FLAG(BOTH) | FLAG(SERIALIZED)),
- GST_EVENT_CUSTOM_BOTH_OOB = GST_EVENT_MAKE_TYPE (32, FLAG(BOTH))
+ GST_EVENT_CUSTOM_UPSTREAM = GST_EVENT_MAKE_TYPE (32, 0, FLAG(UPSTREAM)),
+ GST_EVENT_CUSTOM_DOWNSTREAM = GST_EVENT_MAKE_TYPE (32, 0, FLAG(DOWNSTREAM) | FLAG(SERIALIZED)),
+ GST_EVENT_CUSTOM_DOWNSTREAM_OOB = GST_EVENT_MAKE_TYPE (32, 0, FLAG(DOWNSTREAM)),
+ GST_EVENT_CUSTOM_BOTH = GST_EVENT_MAKE_TYPE (32, 0, FLAG(BOTH) | FLAG(SERIALIZED)),
+ GST_EVENT_CUSTOM_BOTH_OOB = GST_EVENT_MAKE_TYPE (32, 0, FLAG(BOTH))
} GstEventType;
#undef FLAG
@@ -190,14 +196,6 @@ typedef struct _GstEvent GstEvent;
#define GST_EVENT_TIMESTAMP(event) (GST_EVENT_CAST(event)->timestamp)
/**
- * GST_EVENT_SRC:
- * @event: the event to query
- *
- * The source #GstObject that generated this event.
- */
-#define GST_EVENT_SRC(event) (GST_EVENT_CAST(event)->src)
-
-/**
* GST_EVENT_SEQNUM:
* @event: the event to query
*
@@ -226,6 +224,13 @@ typedef struct _GstEvent GstEvent;
* Check if an event is serialized with the data stream.
*/
#define GST_EVENT_IS_SERIALIZED(ev) !!(GST_EVENT_TYPE (ev) & GST_EVENT_TYPE_SERIALIZED)
+/**
+ * GST_EVENT_IS_STICKY:
+ * @ev: the event to query
+ *
+ * Check if an event is sticky on the pads.
+ */
+#define GST_EVENT_IS_STICKY(ev) !!(GST_EVENT_TYPE (ev) & GST_EVENT_TYPE_STICKY)
/**
* gst_event_replace:
@@ -345,7 +350,6 @@ typedef enum {
* @mini_object: the parent structure
* @type: the #GstEventType of the event
* @timestamp: the timestamp of the event
- * @src: the src of the event
* @structure: the #GstStructure containing the event info.
*
* A #GstEvent.
@@ -356,7 +360,6 @@ struct _GstEvent {
/*< public >*/ /* with COW */
GstEventType type;
guint64 timestamp;
- GstObject *src;
guint32 seqnum;
GstStructure *structure;
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-27 16:47:53 +0000