[FFmpeg-cvslog] avcodec/vdpau: Initialise driver version variable explicitly

[Philip Langdale]

ffmpeg | branch: master | Philip Langdale <philipl at overt.org> | Wed Oct 31 16:58:09 2018 -0700| [4a976200d7853588336005a394dd31d905f5caf6] | committer: Philip Langdale

avcodec/vdpau: Initialise driver version variable explicitly

If the identification string ever changed, we might not match anything
in the sscanf(). At least have predictable behaviour.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=4a976200d7853588336005a394dd31d905f5caf6
---

 libavcodec/vdpau.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/vdpau.c b/libavcodec/vdpau.c
index 59454e8c4b..167f06d7ae 100644
--- a/libavcodec/vdpau.c
+++ b/libavcodec/vdpau.c
@@ -208,7 +208,7 @@ int ff_vdpau_common_init(AVCodecContext *avctx, VdpDecoderProfile profile,
         return vdpau_error(status);
     if (avctx->codec_id == AV_CODEC_ID_HEVC && strncmp(info_string, "NVIDIA ", 7) == 0 &&
         !(avctx->hwaccel_flags & AV_HWACCEL_FLAG_ALLOW_PROFILE_MISMATCH)) {
-        int driver_version;
+        int driver_version = 0;
         sscanf(info_string, "NVIDIA VDPAU Driver Shared Library  %d", &driver_version);
         if (driver_version < 410) {
             av_log(avctx, AV_LOG_VERBOSE, "HEVC with NVIDIA VDPAU drivers is buggy, skipping.\n");