From 206f72d0f2a9a5423343ce2df6e03143f5a6cc48 Mon Sep 17 00:00:00 2001
From: Jun Zhao <barryjzhao@tencent.com>
Date: Fri, 17 May 2019 15:35:28 +0800
Subject: [PATCH] libavdevice/gdigrab: fix ffmpeg -devices doesn't show gdigrab

missed the category AV_CLASS_CATEGORY_DEVICE_VIDEO_INPUT lead to
ffmpeg -devices doesn't show gdigrab as a input device

FIx #7848

Found-by: dangibson
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Jun Zhao <barryjzhao@tencent.com>
---
 libavdevice/gdigrab.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libavdevice/gdigrab.c b/libavdevice/gdigrab.c
index b226bd0831..f4444406fa 100644
--- a/libavdevice/gdigrab.c
+++ b/libavdevice/gdigrab.c
@@ -647,6 +647,7 @@ static const AVClass gdigrab_class = {
     .item_name  = av_default_item_name,
     .option     = options,
     .version    = LIBAVUTIL_VERSION_INT,
+    .category   = AV_CLASS_CATEGORY_DEVICE_VIDEO_INPUT,
 };
 
 /** gdi grabber device demuxer declaration */