obs/Source/Encoder_NVENC.cpp

119 lines
3.4 KiB
C++

/********************************************************************************
Copyright (C) 2014 Timo Rothenpieler <timo@rothenpieler.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
********************************************************************************/
#include "Main.h"
typedef bool (__cdecl *PNVENCINITFUNC)(ConfigFile **appConfig);
typedef bool (__cdecl *PCHECKNVENCHARDWARESUPPORT)(bool log);
typedef VideoEncoder* (__cdecl *PCREATENVENCENCODER)(int fps, int width, int height, int quality, CTSTR preset, bool bUse444, ColorDescription &colorDesc, int maxBitRate, int bufferSize, bool bUseCFR);
static HMODULE p_nvencModule = NULL;
static PCHECKNVENCHARDWARESUPPORT p_checkNVENCHardwareSupport = NULL;
static PCREATENVENCENCODER p_createNVENCEncoder = NULL;
void InitNVENCEncoder(bool log=true)
{
if(p_nvencModule != NULL)
return;
#ifdef _WIN64
p_nvencModule = LoadLibrary(TEXT("ObsNvenc64.dll"));
#else
p_nvencModule = LoadLibrary(TEXT("ObsNvenc32.dll"));
#endif
if (p_nvencModule == NULL)
p_nvencModule = LoadLibrary(TEXT("ObsNvenc.dll"));
if(p_nvencModule == NULL)
{
if(log)
Log(TEXT("Failed loading ObsNvenc.dll"));
goto error;
}
if(log)
Log(TEXT("Successfully loaded ObsNvenc.dll"));
p_checkNVENCHardwareSupport = (PCHECKNVENCHARDWARESUPPORT)
GetProcAddress(p_nvencModule, "CheckNVENCHardwareSupport");
p_createNVENCEncoder = (PCREATENVENCENCODER)
GetProcAddress(p_nvencModule, "CreateNVENCEncoder");
PNVENCINITFUNC initFunction = (PNVENCINITFUNC)
GetProcAddress(p_nvencModule, "InitNVENCEncoder");
if(p_checkNVENCHardwareSupport == NULL || p_createNVENCEncoder == NULL || initFunction == NULL)
{
if(log)
Log(TEXT("Failed loading all symbols from ObsNvenc.dll"));
goto error;
}
if(!initFunction(&AppConfig))
goto error;
if(log)
Log(TEXT("ObsNvenc initialized successfully"));
return;
error:
p_checkNVENCHardwareSupport = NULL;
p_createNVENCEncoder = NULL;
if(p_nvencModule != NULL)
{
FreeLibrary(p_nvencModule);
p_nvencModule = NULL;
}
if(log)
Log(TEXT("ObsNvenc initialization failed"));
}
bool CheckNVENCHardwareSupport(bool log=true)
{
InitNVENCEncoder(log);
if(p_checkNVENCHardwareSupport == NULL)
return false;
return p_checkNVENCHardwareSupport(log);
}
VideoEncoder* CreateNVENCEncoder(int fps, int width, int height, int quality, CTSTR preset, bool bUse444, ColorDescription &colorDesc, int maxBitRate, int bufferSize, bool bUseCFR, String &errors)
{
if (!CheckNVENCHardwareSupport(true))
{
if (p_nvencModule)
errors << Str("Encoder.NVENC.NoHardwareSupport");
else
errors << Str("Encoder.NVENC.DllNotFound");
return NULL;
}
if(p_createNVENCEncoder == NULL)
return NULL;
return p_createNVENCEncoder(fps, width, height, quality, preset, bUse444, colorDesc, maxBitRate, bufferSize, bUseCFR);
}