[Decode] Improve H264 Level Handling (#6274)

This patch is to enhance H264 Level Handling for clips level larger than H264_LEVEL_62, will decode as LEVEL_52 and report a VPL warning. Co-authored-by: Zhu, Steve R <[email protected]>
intel · Dec 15, 2023 · 244f156 · 244f156
1 parent ae684e8
commit 244f156
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/_studio/shared/umc/codec/h264_dec/src/umc_h264_dec_bitstream_headers.cpp b/_studio/shared/umc/codec/h264_dec/src/umc_h264_dec_bitstream_headers.cpp
@@ -347,6 +347,11 @@ inline bool CheckLevel(uint8_t level_idc, bool ignore_level_constrain = false)
 {
     (void)(ignore_level_constrain); //UNREFERENCED_PARAMETER
 
+    if (level_idc > H264VideoDecoderParams::H264_LEVEL_52)
+    {
+        MFX_LOG_WARN("H264 Level is larger than LEVEL 5.2!");
+    }
+
     switch(level_idc)
     {
     case H264VideoDecoderParams::H264_LEVEL_1: