[FFmpeg-cvslog] kmsgrab: add category for kmsgrab

[Jun Zhao]

ffmpeg | branch: master | Jun Zhao <mypopydev at gmail.com> | Mon Mar 26 08:22:07 2018 +0800| [ac6e27d74f6a413d400c228b0eb2d3af32c1ea76] | committer: Mark Thompson

kmsgrab: add category for kmsgrab

Makes kmsgrab visible in "ffmpeg -devices".

Signed-off-by: Jun Zhao <mypopydev at gmail.com>
Signed-off-by: Mark Thompson <sw at jkqxz.net>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=ac6e27d74f6a413d400c228b0eb2d3af32c1ea76
---

 libavdevice/kmsgrab.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libavdevice/kmsgrab.c b/libavdevice/kmsgrab.c
index 6a6de09c37..d0de774871 100644
--- a/libavdevice/kmsgrab.c
+++ b/libavdevice/kmsgrab.c
@@ -451,6 +451,7 @@ static const AVClass kmsgrab_class = {
     .item_name  = av_default_item_name,
     .option     = options,
     .version    = LIBAVUTIL_VERSION_INT,
+    .category   = AV_CLASS_CATEGORY_DEVICE_VIDEO_INPUT,
 };
 
 AVInputFormat ff_kmsgrab_demuxer = {