path: root/include/media/videobuf2-core.h
diff options
authorJunghak Sung <jh1009.sung@samsung.com>2015-10-06 06:37:48 -0300
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2015-10-20 15:12:45 -0200
commitb0e0e1f83de31aa0428c38b692c590cc0ecd3f03 (patch)
tree21f1018973380de7d7883e338944a6aa1c8521a0 /include/media/videobuf2-core.h
parentbed04f9342473743fc96b71c3130f645c718bd47 (diff)
[media] media: videobuf2: Prepare to divide videobuf2
Prepare to divide videobuf2 - Separate vb2 trace events from v4l2 trace event. - Make wrapper functions that will move to v4l2-side. - Make vb2_core_* functions that will remain in core-side. - Add a callback function table for buffer operation which makes vb2-core to be able to invoke a v4l2-side functions. - Rename internal functions as vb2_*. Signed-off-by: Junghak Sung <jh1009.sung@samsung.com> Signed-off-by: Geunyoung Kim <nenggun.kim@samsung.com> Acked-by: Seung-Woo Kim <sw0312.kim@samsung.com> Acked-by: Inki Dae <inki.dae@samsung.com> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'include/media/videobuf2-core.h')
1 files changed, 10 insertions, 0 deletions
diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h
index 244ea2e36a8a..d3659d79b988 100644
--- a/include/media/videobuf2-core.h
+++ b/include/media/videobuf2-core.h
@@ -363,6 +363,12 @@ struct vb2_ops {
void (*buf_queue)(struct vb2_buffer *vb);
+struct vb2_buf_ops {
+ int (*fill_user_buffer)(struct vb2_buffer *vb, void *pb);
+ int (*fill_vb2_buffer)(struct vb2_buffer *vb, const void *pb,
+ struct vb2_plane *planes);
+ int (*set_timestamp)(struct vb2_buffer *vb, const void *pb);
* struct vb2_queue - a videobuf queue
@@ -385,6 +391,8 @@ struct vb2_ops {
* drivers to easily associate an owner filehandle with the queue.
* @ops: driver-specific callbacks
* @mem_ops: memory allocator specific callbacks
+ * @buf_ops: callbacks to deliver buffer information
+ * between user-space and kernel-space
* @drv_priv: driver private data
* @buf_struct_size: size of the driver-specific buffer structure;
* "0" indicates the driver doesn't want to use a custom buffer
@@ -440,6 +448,8 @@ struct vb2_queue {
const struct vb2_ops *ops;
const struct vb2_mem_ops *mem_ops;
+ const struct vb2_buf_ops *buf_ops;
void *drv_priv;
unsigned int buf_struct_size;
u32 timestamp_flags;

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