obs-StreamFX/source/nvidia/vfx/nvidia-vfx-effect.cpp

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// Copyright (c) 2020 Michael Fabian Dirks <info@xaymar.com>
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
#include "nvidia-vfx-effect.hpp"
#include "obs/gs/gs-helper.hpp"
#include "util/util-logging.hpp"
#include "warning-disable.hpp"
#include <string_view>
#include "warning-enable.hpp"
#ifdef _DEBUG
#define ST_PREFIX "<%s> "
#define D_LOG_ERROR(x, ...) P_LOG_ERROR(ST_PREFIX##x, __FUNCTION_SIG__, __VA_ARGS__)
#define D_LOG_WARNING(x, ...) P_LOG_WARN(ST_PREFIX##x, __FUNCTION_SIG__, __VA_ARGS__)
#define D_LOG_INFO(x, ...) P_LOG_INFO(ST_PREFIX##x, __FUNCTION_SIG__, __VA_ARGS__)
#define D_LOG_DEBUG(x, ...) P_LOG_DEBUG(ST_PREFIX##x, __FUNCTION_SIG__, __VA_ARGS__)
#else
#define ST_PREFIX "<nvidia::vfx::feature> "
#define D_LOG_ERROR(...) P_LOG_ERROR(ST_PREFIX __VA_ARGS__)
#define D_LOG_WARNING(...) P_LOG_WARN(ST_PREFIX __VA_ARGS__)
#define D_LOG_INFO(...) P_LOG_INFO(ST_PREFIX __VA_ARGS__)
#define D_LOG_DEBUG(...) P_LOG_DEBUG(ST_PREFIX __VA_ARGS__)
#endif
using namespace ::streamfx::nvidia;
streamfx::nvidia::vfx::effect::~effect()
{
auto gctx = ::streamfx::obs::gs::context();
auto cctx = cuda::obs::get()->get_context()->enter();
_fx.reset();
_nvvfx.reset();
_nvcvi.reset();
_nvcuda.reset();
}
streamfx::nvidia::vfx::effect::effect(effect_t effect)
: _nvcuda(cuda::obs::get()), _nvcvi(cv::cv::get()), _nvvfx(vfx::vfx::get()), _fx()
{
auto gctx = ::streamfx::obs::gs::context();
auto cctx = cuda::obs::get()->get_context()->enter();
// Create the Effect/Feature.
::vfx::handle_t handle;
if (cv::result res = _nvvfx->NvVFX_CreateEffect(effect, &handle); res != cv::result::SUCCESS) {
D_LOG_ERROR("Unable to create effect: %s", _nvcvi->NvCV_GetErrorStringFromCode(res));
throw std::runtime_error("Unable to create effect.");
}
_fx = std::shared_ptr<void>(handle, [](::vfx::handle_t handle) { ::vfx::vfx::get()->NvVFX_DestroyEffect(handle); });
// Assign CUDA Stream object.
if (auto v = set(PARAMETER_CUDA_STREAM, _nvcuda->get_stream()); v != cv::result::SUCCESS) {
throw ::streamfx::nvidia::cv::exception(PARAMETER_CUDA_STREAM, v);
}
// Assign Model Directory.
_model_path = _nvvfx->model_path().generic_u8string();
if (auto v = set(PARAMETER_MODEL_DIRECTORY, _model_path); v != cv::result::SUCCESS) {
throw ::streamfx::nvidia::cv::exception(PARAMETER_MODEL_DIRECTORY, v);
}
}
cv::result streamfx::nvidia::vfx::effect::get(parameter_t param, std::string_view& value)
{
const char* cvalue = nullptr;
cv::result res = get(param, cvalue);
if (res == cv::result::SUCCESS) {
if (cvalue) {
value = std::string_view(cvalue);
} else {
value = std::string_view();
}
}
return res;
}
cv::result streamfx::nvidia::vfx::effect::get(parameter_t param, std::string& value)
{
const char* cvalue = nullptr;
cv::result res = get(param, cvalue);
if (res == cv::result::SUCCESS) {
if (cvalue) {
value = cvalue;
} else {
value.clear();
}
}
return res;
}