OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12647
Crash type: Use-of-uninitialized-value
Crash state:
WelsDec::CWelsDecoder::ReorderPicturesInDisplay
WelsDec::CWelsDecoder::DecodeFrame2
WelsDec::CWelsDecoder::DecodeFrameNoDelay