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-rw-r--r--include/media/media-entity.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/media/media-entity.h b/include/media/media-entity.h
index d889dcc67d0d..cd8bca63a502 100644
--- a/include/media/media-entity.h
+++ b/include/media/media-entity.h
@@ -26,6 +26,9 @@
#include <linux/list.h>
#include <linux/media.h>
+struct media_pipeline {
+};
+
struct media_link {
struct media_pad *source; /* Source pad */
struct media_pad *sink; /* Sink pad */
@@ -71,8 +74,11 @@ struct media_entity {
* purpose: a simple WARN_ON(<0) check can be used to detect reference
* count bugs that would make them negative.
*/
+ int stream_count; /* Stream count for the entity. */
int use_count; /* Use count for the entity. */
+ struct media_pipeline *pipe; /* Pipeline this entity belongs to. */
+
union {
/* Node specifications */
struct {
@@ -118,6 +124,7 @@ struct media_entity_graph {
int media_entity_init(struct media_entity *entity, u16 num_pads,
struct media_pad *pads, u16 extra_links);
void media_entity_cleanup(struct media_entity *entity);
+
int media_entity_create_link(struct media_entity *source, u16 source_pad,
struct media_entity *sink, u16 sink_pad, u32 flags);
int __media_entity_setup_link(struct media_link *link, u32 flags);
@@ -133,6 +140,9 @@ void media_entity_graph_walk_start(struct media_entity_graph *graph,
struct media_entity *entity);
struct media_entity *
media_entity_graph_walk_next(struct media_entity_graph *graph);
+void media_entity_pipeline_start(struct media_entity *entity,
+ struct media_pipeline *pipe);
+void media_entity_pipeline_stop(struct media_entity *entity);
#define media_entity_call(entity, operation, args...) \
(((entity)->ops && (entity)->ops->operation) ? \