diff options
| author | Paul Elder <paul.elder@ideasonboard.com> | 2018-08-28 02:10:01 -0400 |
|---|---|---|
| committer | Paul Elder <paul.elder@ideasonboard.com> | 2019-02-06 01:48:50 -0500 |
| commit | 9889a1223028a14ac2fd56323fc813b62087c918 (patch) | |
| tree | c7f462a4b949cc98b9923d2eee374d1f3b858e19 /lib/v4l2.h | |
| parent | 8bee8cdb3c98c6489bd525a5588e391f8ae3aaa1 (diff) | |
v4l2: add v4l2_set_frame_rate
We would like to be able to set the frame rate of video sources. This
patch adds such a function for v4l2-based video sources to use.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Diffstat (limited to 'lib/v4l2.h')
| -rw-r--r-- | lib/v4l2.h | 14 |
1 files changed, 14 insertions, 0 deletions
@@ -31,6 +31,7 @@ struct v4l2_device struct list_entry formats; struct v4l2_pix_format format; struct v4l2_rect crop; + unsigned int fps; struct video_buffer_set buffers; }; @@ -86,6 +87,19 @@ int v4l2_get_format(struct v4l2_device *dev, struct v4l2_pix_format *format); int v4l2_set_format(struct v4l2_device *dev, struct v4l2_pix_format *format); /* + * v4l2_set_frame_rate - Set the frame rate + * @dev: Device instance + * @fps: Frame rate + * + * Set the frame rate specified by @fps. + * The device can modify the requested format and size, in which case @dev->fps + * will be updated to reflect the modified setting. + * + * Return 0 on success or a negative error code on failure. + */ +int v4l2_set_frame_rate(struct v4l2_device *dev, unsigned int fps); + +/* * v4l2_get_crop - Retrieve the current crop rectangle * @dev: Device instance * @rect: Crop rectangle structure to be filled |