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avisynth: Only increase refcount when fully initialized

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When Avisynth is not installed or not functional, this would otherwise
cause a crash when trying to initialize Avisynth more than once, since
after the first time the refcount would have been incrased anyway.
This commit is contained in:
arch1t3cht 2023-01-14 00:13:47 +01:00
parent fe77a1a0b8
commit f5a730fa45
1 changed files with 3 additions and 1 deletions
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4
src/avisynth_wrap.cpp
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@ -67,7 +67,7 @@ const AVS_Linkage *AVS_linkage = nullptr;
typedef IScriptEnvironment* __stdcall FUNC(int);
AviSynthWrapper::AviSynthWrapper() {
if (!avs_refcount++) {
if (!avs_refcount){
#ifdef _WIN32
#define CONCATENATE(x, y) x ## y
#define _Lstr(x) CONCATENATE(L, x)
@ -94,6 +94,8 @@ AviSynthWrapper::AviSynthWrapper() {
if (!env)
throw AvisynthError("Failed to create a new avisynth script environment. Avisynth is too old?");
avs_refcount++;
AVS_linkage = env->GetAVSLinkage();
// Set memory limit