diff options
| author | Paul Elder <paul.elder@ideasonboard.com> | 2018-08-28 02:17:15 -0400 |
|---|---|---|
| committer | Paul Elder <paul.elder@ideasonboard.com> | 2019-02-06 01:49:31 -0500 |
| commit | bde4deb8803026ec69e11cd380d77bf5d33ee623 (patch) | |
| tree | 779af4610ffc29499b7d4b672c7a5e75c4cadeb2 /include/uvcgadget | |
| parent | 28c16c6dc72f4c41307f1a317860791c595cdcd6 (diff) | |
stream, uvc: add uvc_stream_set_frame_rate
We would like to be able to set the frame rate of the video source of a
stream. This patch adds such a function to set the source's frame rate
from the stream. The frame rate is set right after the format is set.
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 'include/uvcgadget')
| -rw-r--r-- | include/uvcgadget/stream.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/uvcgadget/stream.h b/include/uvcgadget/stream.h index 9ab068f..bc83cfa 100644 --- a/include/uvcgadget/stream.h +++ b/include/uvcgadget/stream.h @@ -91,6 +91,19 @@ int uvc_stream_set_format(struct uvc_stream *stream, const struct v4l2_pix_format *format); /* + * uvc_stream_set_frame_rate - Set the frame rate for the stream + * @stream: the UVC stream + * @fps: the frame rate in frames per second + * + * This function is called from the UVC protocol handler to configure the frame + * rate for the video source of the @stream. It must not be called directly by + * applications. + * + * Returns 0 on success, or a negative error code on failure. + */ +int uvc_stream_set_frame_rate(struct uvc_stream *stream, unsigned int fps); + +/* * uvc_stream_enable - Turn on/off video streaming for the UVC stream * @stream: the UVC stream * @enable: 0 to stop the stream, 1 to start it |