[FFmpeg-cvslog] lavc/qsv: suppress code scan complain

[Zhong Li]

ffmpeg | branch: master | Zhong Li <zhong.li at intel.com> | Wed May  9 14:07:40 2018 +0800| [8a0c2901f1fa1cd4b2cf8f347840e4465d65cbae] | committer: Zhong Li

lavc/qsv: suppress code scan complain

Suppress the complain "variables 'type' is used but maybe uninitialized".

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=8a0c2901f1fa1cd4b2cf8f347840e4465d65cbae
---

 libavcodec/qsv.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/libavcodec/qsv.c b/libavcodec/qsv.c
index 45e1c25c68..3ff4f2c092 100644
--- a/libavcodec/qsv.c
+++ b/libavcodec/qsv.c
@@ -31,6 +31,7 @@
 #include "libavutil/hwcontext.h"
 #include "libavutil/hwcontext_qsv.h"
 #include "libavutil/imgutils.h"
+#include "libavutil/avassert.h"
 
 #include "avcodec.h"
 #include "qsv_internal.h"
@@ -197,7 +198,7 @@ int ff_qsv_find_surface_idx(QSVFramesContext *ctx, QSVFrame *frame)
 
 enum AVPictureType ff_qsv_map_pictype(int mfx_pic_type)
 {
-    enum AVPictureType type;
+    enum AVPictureType type = AV_PICTURE_TYPE_NONE;
     switch (mfx_pic_type & 0x7) {
     case MFX_FRAMETYPE_I:
         if (mfx_pic_type & MFX_FRAMETYPE_S)
@@ -214,6 +215,8 @@ enum AVPictureType ff_qsv_map_pictype(int mfx_pic_type)
         else
             type = AV_PICTURE_TYPE_P;
         break;
+    default:
+        av_assert0(0);
     }
 
     return type;