shithub: openh264

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add input parameter check as protection for an encoder interface

--- a/codec/encoder/core/src/encoder_ext.cpp

+++ b/codec/encoder/core/src/encoder_ext.cpp

@@ -3423,6 +3423,10 @@

 }

 int32_t WelsEncoderEncodeParameterSets (sWelsEncCtx* pCtx, void* pDst) {

+  if (NULL == pCtx || NULL == pDst) {

+    return ENC_RETURN_UNEXPECTED;

+  }

+

   SFrameBSInfo* pFbi          = (SFrameBSInfo*)pDst;

   SLayerBSInfo* pLayerBsInfo  = &pFbi->sLayerInfo[0];

   int32_t iCountNal           = 0;