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VFW/avifile replacement completed

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This commit is contained in:
Frank Skare
2020-02-22 17:01:30 +01:00
parent 6489bb2c54
commit 0c8eb0eca0
31 changed files with 459 additions and 1008 deletions
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FrameServer/AviSynthServer.cpp
+27 -13
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@@ -48,21 +48,24 @@ HRESULT __stdcall AviSynthServer::OpenFile(WCHAR* file)
static HMODULE dll = LoadLibrary(L"AviSynth");
if (!dll)
dll = LoadLibrary(L"AviSynth");
if (!dll)
throw std::exception("AviSynth+ installation cannot be found");
IScriptEnvironment* (*CreateScriptEnvironment)(int version) =
(IScriptEnvironment * (*)(int)) GetProcAddress(dll, "CreateScriptEnvironment");
IScriptEnvironment2* (*CreateScriptEnvironment2)(int version) =
(IScriptEnvironment2 * (*)(int)) GetProcAddress(dll, "CreateScriptEnvironment2");
if (!CreateScriptEnvironment)
throw std::exception("Cannot resolve AviSynth+ CreateScriptEnvironment function");
if (!CreateScriptEnvironment2)
throw std::exception("Cannot resolve AviSynth+ CreateScriptEnvironment2 function");
m_ScriptEnvironment = CreateScriptEnvironment(6);
m_ScriptEnvironment = CreateScriptEnvironment2(6);
if (!m_ScriptEnvironment)
throw std::exception("A newer AviSynth+ version is required");
AVS_linkage = m_ScriptEnvironment->GetAVSLinkage();
AVS_linkage = m_Linkage = m_ScriptEnvironment->GetAVSLinkage();
std::string ansiFile = ConvertWideToANSI(file);
AVSValue arg(ansiFile.c_str());
@@ -74,11 +77,12 @@ HRESULT __stdcall AviSynthServer::OpenFile(WCHAR* file)
m_Clip = m_AVSValue.AsClip();
VideoInfo avsInfo = m_Clip->GetVideoInfo();
m_Info.Width = avsInfo.width;
m_Info.Height = avsInfo.height;
m_Info.FrameCount = avsInfo.num_frames;
m_Info.FrameRateNumerator = avsInfo.fps_numerator;
m_Info.FrameRateDenominator = avsInfo.fps_denominator;
m_Info.FrameRateNum = avsInfo.fps_numerator;
m_Info.FrameRateDen = avsInfo.fps_denominator;
return S_OK;
}
@@ -102,16 +106,18 @@ HRESULT __stdcall AviSynthServer::OpenFile(WCHAR* file)
void* __stdcall AviSynthServer::GetFrame(int position)
{
if (!m_ScriptEnvironment)
if (m_Info.FrameCount == 0)
return NULL;
AVS_linkage = m_Linkage;
try
{
m_Frame = m_Clip->GetFrame(position, m_ScriptEnvironment);
auto readPtr = m_Frame->GetReadPtr();
if (!readPtr)
throw std::exception("AviSynth+ frame pointer is null");
throw std::exception("AviSynth+ pixel data pointer is null");
return (void*)readPtr;
}
@@ -119,10 +125,14 @@ void* __stdcall AviSynthServer::GetFrame(int position)
{
m_Error = ConvertAnsiToWide(e.msg);
}
catch (std::exception & e)
catch (std::exception& e)
{
m_Error = ConvertAnsiToWide(e.what());
}
catch (...)
{
m_Error = L"Exception: AviSynthServer::GetFrame";
}
return NULL;
}
@@ -150,16 +160,20 @@ AviSynthServer::~AviSynthServer()
void AviSynthServer::Free()
{
AVS_linkage = m_Linkage;
m_Frame = NULL;
m_Clip = NULL;
m_AVSValue = NULL;
AVS_linkage = NULL;
if (m_ScriptEnvironment)
{
m_ScriptEnvironment->DeleteScriptEnvironment();
m_ScriptEnvironment = NULL;
}
AVS_linkage = NULL;
m_Linkage = NULL;
}