lavc/qsvdec: fix hevc level incorrectly map

libmfx hevc level defination is same as h264, not level_idc of SPEC.

Signed-off-by: Zhong Li <zhong.li@intel.com>

1 files changed, 13 insertions, 0 deletions

diff --git a/libavcodec/qsv.c b/libavcodec/qsv.c
index bb0d79588c..4d3fbafe04 100644
--- a/libavcodec/qsv.c
+++ b/libavcodec/qsv.c
@@ -83,6 +83,19 @@ int ff_qsv_profile_to_mfx(enum AVCodecID codec_id, int profile)
     return MFX_PROFILE_UNKNOWN;
 }
 
+int ff_qsv_level_to_mfx(enum AVCodecID codec_id, int level)
+{
+    if (level == FF_LEVEL_UNKNOWN)
+        return MFX_LEVEL_UNKNOWN;
+
+    switch (codec_id) {
+    case AV_CODEC_ID_HEVC:
+        return level / 3;
+    default:
+        return level;
+    }
+}
+
 static const struct {
     mfxStatus   mfxerr;
     int         averr;