diff options
Diffstat (limited to 'Documentation/media/uapi/v4l/vidioc-dqevent.rst')
| -rw-r--r-- | Documentation/media/uapi/v4l/vidioc-dqevent.rst | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/Documentation/media/uapi/v4l/vidioc-dqevent.rst b/Documentation/media/uapi/v4l/vidioc-dqevent.rst index 067e0aa27918..cf0e98f5112f 100644 --- a/Documentation/media/uapi/v4l/vidioc-dqevent.rst +++ b/Documentation/media/uapi/v4l/vidioc-dqevent.rst @@ -32,7 +32,7 @@ Description =========== Dequeue an event from a video device. No input is required for this -ioctl. All the fields of the struct :ref:`v4l2_event <v4l2-event>` +ioctl. All the fields of the struct :c:type:`v4l2_event` structure are filled by the driver. The file handle will also receive exceptions which the application may get by e.g. using the select system call. @@ -40,7 +40,7 @@ call. .. tabularcolumns:: |p{3.0cm}|p{4.3cm}|p{2.5cm}|p{7.7cm}| -.. _v4l2-event: +.. c:type:: v4l2_event .. cssclass: longtable @@ -71,7 +71,7 @@ call. - .. row 3 - - - struct :ref:`v4l2_event_vsync <v4l2-event-vsync>` + - struct :c:type:`v4l2_event_vsync` - ``vsync`` @@ -80,7 +80,7 @@ call. - .. row 4 - - - struct :ref:`v4l2_event_ctrl <v4l2-event-ctrl>` + - struct :c:type:`v4l2_event_ctrl` - ``ctrl`` @@ -89,7 +89,7 @@ call. - .. row 5 - - - struct :ref:`v4l2_event_frame_sync <v4l2-event-frame-sync>` + - struct :c:type:`v4l2_event_frame_sync` - ``frame_sync`` @@ -98,7 +98,7 @@ call. - .. row 6 - - - struct :ref:`v4l2_event_motion_det <v4l2-event-motion-det>` + - struct :c:type:`v4l2_event_motion_det` - ``motion_det`` @@ -107,7 +107,7 @@ call. - .. row 7 - - - struct :ref:`v4l2_event_src_change <v4l2-event-src-change>` + - struct :c:type:`v4l2_event_src_change` - ``src_change`` @@ -205,7 +205,7 @@ call. - 1 - This event is triggered on the vertical sync. This event has a - struct :ref:`v4l2_event_vsync <v4l2-event-vsync>` associated + struct :c:type:`v4l2_event_vsync` associated with it. - .. row 3 @@ -228,10 +228,10 @@ call. which you want to receive events. This event is triggered if the control's value changes, if a button control is pressed or if the control's flags change. This event has a struct - :ref:`v4l2_event_ctrl <v4l2-event-ctrl>` associated with it. + :c:type:`v4l2_event_ctrl` associated with it. This struct contains much of the same information as struct :ref:`v4l2_queryctrl <v4l2-queryctrl>` and struct - :ref:`v4l2_control <v4l2-control>`. + :c:type:`v4l2_control`. If the event is generated due to a call to :ref:`VIDIOC_S_CTRL <VIDIOC_G_CTRL>` or @@ -243,7 +243,7 @@ call. This event type will ensure that no information is lost when more events are raised than there is room internally. In that case the - struct :ref:`v4l2_event_ctrl <v4l2-event-ctrl>` of the + struct :c:type:`v4l2_event_ctrl` of the second-oldest event is kept, but the ``changes`` field of the second-oldest event is ORed with the ``changes`` field of the oldest event. @@ -256,13 +256,13 @@ call. - Triggered immediately when the reception of a frame has begun. This event has a struct - :ref:`v4l2_event_frame_sync <v4l2-event-frame-sync>` + :c:type:`v4l2_event_frame_sync` associated with it. If the hardware needs to be stopped in the case of a buffer underrun it might not be able to generate this event. In such cases the ``frame_sequence`` field in struct - :ref:`v4l2_event_frame_sync <v4l2-event-frame-sync>` will not + :c:type:`v4l2_event_frame_sync` will not be incremented. This causes two consecutive frame sequence numbers to have n times frame interval in between them. @@ -281,7 +281,7 @@ call. receive events. This event has a struct - :ref:`v4l2_event_src_change <v4l2-event-src-change>` + :c:type:`v4l2_event_src_change` associated with it. The ``changes`` bitfield denotes what has changed for the subscribed pad. If multiple events occurred before application could dequeue them, then the changes will have the @@ -295,7 +295,7 @@ call. - Triggered whenever the motion detection state for one or more of the regions changes. This event has a struct - :ref:`v4l2_event_motion_det <v4l2-event-motion-det>` + :c:type:`v4l2_event_motion_det` associated with it. - .. row 8 @@ -310,7 +310,7 @@ call. .. tabularcolumns:: |p{4.4cm}|p{4.4cm}|p{8.7cm}| -.. _v4l2-event-vsync: +.. c:type:: v4l2_event_vsync .. flat-table:: struct v4l2_event_vsync :header-rows: 0 @@ -330,7 +330,7 @@ call. .. tabularcolumns:: |p{3.5cm}|p{3.0cm}|p{1.8cm}|p{8.5cm}| -.. _v4l2-event-ctrl: +.. c:type:: v4l2_event_ctrl .. flat-table:: struct v4l2_event_ctrl :header-rows: 0 @@ -439,7 +439,7 @@ call. .. tabularcolumns:: |p{4.4cm}|p{4.4cm}|p{8.7cm}| -.. _v4l2-event-frame-sync: +.. c:type:: v4l2_event_frame_sync .. flat-table:: struct v4l2_event_frame_sync :header-rows: 0 @@ -459,7 +459,7 @@ call. .. tabularcolumns:: |p{4.4cm}|p{4.4cm}|p{8.7cm}| -.. _v4l2-event-src-change: +.. c:type:: v4l2_event_src_change .. flat-table:: struct v4l2_event_src_change :header-rows: 0 @@ -480,7 +480,7 @@ call. .. tabularcolumns:: |p{4.4cm}|p{4.4cm}|p{8.7cm}| -.. _v4l2-event-motion-det: +.. c:type:: v4l2_event_motion_det .. flat-table:: struct v4l2_event_motion_det :header-rows: 0 |