[FFmpeg-cvslog] avcodec/vdpau: Enable HEVC support for working Nvidia driver versions

[ManojGuptaBonda]

ffmpeg | branch: master | ManojGuptaBonda <mbonda at nvidia.com> | Mon Oct 29 13:57:54 2018 +0530| [4a6d5f3cadaabefe6c3548e575bb7e713997762f] | committer: Philip Langdale

avcodec/vdpau: Enable HEVC support for working Nvidia driver versions

The driver bugs that caused decoded HEVC content to have an incorrect
memory layout have been fully fixed in the 410.xx driver release so
we can start exposing support.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=4a6d5f3cadaabefe6c3548e575bb7e713997762f
---

 libavcodec/vdpau.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/libavcodec/vdpau.c b/libavcodec/vdpau.c
index 1b2ec989cd..59454e8c4b 100644
--- a/libavcodec/vdpau.c
+++ b/libavcodec/vdpau.c
@@ -208,8 +208,12 @@ 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)) {
-        av_log(avctx, AV_LOG_VERBOSE, "HEVC with NVIDIA VDPAU drivers is buggy, skipping.\n");
-        return AVERROR(ENOTSUP);
+        int driver_version;
+        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");
+            return AVERROR(ENOTSUP);
+        }
     }
 
     status = vdctx->get_proc_address(vdctx->device,