From 1debdaecd651007771fc347a11076c9e3115395a Mon Sep 17 00:00:00 2001
From: tyan0 <32232575+tyan0@users.noreply.github.com>
Date: Wed, 10 Apr 2024 15:26:37 +0900
Subject: [PATCH] Fix crash on multi-thread decoding. (#3736)

When decoding:
https://download.blender.org/peach/bigbuckbunny_movies/big_buck_bunny_1080p_h264.mov
in multi-threads, openh264 crashes with segfault. This patch fixes
the issue.
---
 codec/decoder/core/src/decoder.cpp | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/codec/decoder/core/src/decoder.cpp b/codec/decoder/core/src/decoder.cpp
index f296e9211a..6fd524c14c 100644
--- a/codec/decoder/core/src/decoder.cpp
+++ b/codec/decoder/core/src/decoder.cpp
@@ -820,8 +820,6 @@ int32_t WelsDecodeBs (PWelsDecoderContext pCtx, const uint8_t* kpBsBuf, const in
             if (pCtx->bAuReadyFlag && pCtx->pAccessUnitList->uiAvailUnitsNum != 0) {
               if (GetThreadCount (pCtx) <= 1) {
                 ConstructAccessUnit (pCtx, ppDst, pDstBufInfo);
-              } else {
-                pCtx->pAccessUnitList->uiAvailUnitsNum = 1;
               }
             }
           }
@@ -884,8 +882,6 @@ int32_t WelsDecodeBs (PWelsDecoderContext pCtx, const uint8_t* kpBsBuf, const in
       if (pCtx->bAuReadyFlag && pCtx->pAccessUnitList->uiAvailUnitsNum != 0) {
         if (GetThreadCount (pCtx) <= 1) {
           ConstructAccessUnit (pCtx, ppDst, pDstBufInfo);
-        } else {
-          pCtx->pAccessUnitList->uiAvailUnitsNum = 1;
         }
       }
     }