HRESULT CLAVAudio::InitDTSDecoder()
{
if (!m_hDllExtraDecoder) {
// Add path of LAVAudio.ax into the Dll search path
WCHAR wModuleFile[1024];
GetModuleFileName(g_hInst, wModuleFile, 1024);
PathRemoveFileSpecW(wModuleFile);
wcscat_s(wModuleFile, TEXT("\\dtsdecoderdll.dll"));
// Try loading from the filters directory
HMODULE hDll = LoadLibraryEx(wModuleFile, NULL, LOAD_WITH_ALTERED_SEARCH_PATH);
// And try from any global directories if this failed
if (hDll == NULL) {
hDll = LoadLibrary(TEXT("dtsdecoderdll.dll"));
}
CheckPointer(hDll, E_FAIL);
m_hDllExtraDecoder = hDll;
}
DTSDecoder *context = new DTSDecoder();
context->pDtsOpen = (DtsOpen)GetProcAddress(m_hDllExtraDecoder, "DtsApiDecOpen");
if(!context->pDtsOpen) goto fail;
context->pDtsClose = (DtsClose)GetProcAddress(m_hDllExtraDecoder, "DtsApiDecClose");
if(!context->pDtsClose) goto fail;
context->pDtsReset = (DtsReset)GetProcAddress(m_hDllExtraDecoder, "DtsApiDecReset");
if(!context->pDtsReset) goto fail;
context->pDtsSetParam = (DtsSetParam)GetProcAddress(m_hDllExtraDecoder, "DtsApiDecSetParam");
if(!context->pDtsSetParam) goto fail;
context->pDtsDecode = (DtsDecode)GetProcAddress(m_hDllExtraDecoder, "DtsApiDecodeData");
if(!context->pDtsDecode) goto fail;
context->dtsContext = context->pDtsOpen();
if(!context->dtsContext) goto fail;
context->dtsPCMBuffer = (BYTE *)av_mallocz(LAV_AUDIO_BUFFER_SIZE + FF_INPUT_BUFFER_PADDING_SIZE);
m_DTSBitDepth = 24;
m_DTSDecodeChannels = 8;
m_pDTSDecoderContext = context;
FlushDTSDecoder();
return S_OK;
fail:
SAFE_DELETE(context);
FreeLibrary(m_hDllExtraDecoder);
m_hDllExtraDecoder = NULL;
return E_FAIL;
}
HRESULT CLAVAudio::InitDTSDecoder()
{
if (!m_hDllExtraDecoder) {
// Add path of LAVAudio.ax into the Dll search path
WCHAR wModuleFile[1024];
GetModuleFileName(g_hInst, wModuleFile, 1024);
PathRemoveFileSpecW(wModuleFile);
wcscat_s(wModuleFile, TEXT("\\dtsdecoderdll.dll"));
// Try loading from the filters directory
HMODULE hDll = LoadLibraryEx(wModuleFile, nullptr, LOAD_WITH_ALTERED_SEARCH_PATH);
// And try from any global directories if this failed
if (hDll == nullptr) {
hDll = LoadLibrary(TEXT("dtsdecoderdll.dll"));
}
CheckPointer(hDll, E_FAIL);
BOOL bIncompatibleDecoder = FALSE;
if (GetModuleFileName(hDll, wModuleFile, 1024) > 0) {
DWORD dwVersionSize = GetFileVersionInfoSize(wModuleFile, nullptr);
if (dwVersionSize > 0) {
void *versionInfo = CoTaskMemAlloc(dwVersionSize);
BOOL bVersionInfoPresent = GetFileVersionInfo(wModuleFile, 0, dwVersionSize, versionInfo);
if (bVersionInfoPresent) {
VS_FIXEDFILEINFO *info;
unsigned cbInfo;
BOOL bInfoPresent = VerQueryValue(versionInfo, TEXT("\\"), (LPVOID*)&info, &cbInfo);
if (bInfoPresent) {
bInfoPresent = bInfoPresent;
uint64_t version = info->dwFileVersionMS;
version <<= 32;
version += info->dwFileVersionLS;
if (version && version < 0x0001000100000000i64)
bIncompatibleDecoder = TRUE;
}
}
CoTaskMemFree(versionInfo);
}
}
if (bIncompatibleDecoder) {
FreeLibrary(hDll);
hDll = nullptr;
return E_FAIL;
}
m_hDllExtraDecoder = hDll;
}
DTSDecoder *context = new DTSDecoder();
context->pDtsOpen = (DtsOpen)GetProcAddress(m_hDllExtraDecoder, "DtsApiDecOpen");
if(!context->pDtsOpen) goto fail;
context->pDtsClose = (DtsClose)GetProcAddress(m_hDllExtraDecoder, "DtsApiDecClose");
if(!context->pDtsClose) goto fail;
context->pDtsReset = (DtsReset)GetProcAddress(m_hDllExtraDecoder, "DtsApiDecReset");
if(!context->pDtsReset) goto fail;
context->pDtsSetParam = (DtsSetParam)GetProcAddress(m_hDllExtraDecoder, "DtsApiDecSetParam");
if(!context->pDtsSetParam) goto fail;
context->pDtsDecode = (DtsDecode)GetProcAddress(m_hDllExtraDecoder, "DtsApiDecodeData");
if(!context->pDtsDecode) goto fail;
context->dtsContext = context->pDtsOpen();
if(!context->dtsContext) goto fail;
context->dtsPCMBuffer = (BYTE *)av_mallocz(LAV_AUDIO_BUFFER_SIZE + FF_INPUT_BUFFER_PADDING_SIZE);
m_DTSBitDepth = 24;
m_DTSDecodeChannels = 8;
m_pDTSDecoderContext = context;
FlushDTSDecoder();
return S_OK;
fail:
SAFE_DELETE(context);
FreeLibrary(m_hDllExtraDecoder);
m_hDllExtraDecoder = nullptr;
return E_FAIL;
}
