obs-StreamFX/source/filters/filter-denoising.hpp
Michael Fabian 'Xaymar' Dirks 588c45fec2 filter/denoising: Restore alpha after processing
As the Alpha channel is completely ignored and possibly destroyed by denoising algorithms, we should restore the Alpha channel manually. Linear interpolation was chosen here as it will behave like Point if the size matches, and properly interpolate if the size doesn't match.

Fixes: #646
2021-10-06 03:08:55 +02:00

128 lines
4.7 KiB
C++

// Copyright (c) 2020 Michael Fabian Dirks <info@xaymar.com>
//
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// 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,
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// SOFTWARE.
#pragma once
#include <atomic>
#include <memory>
#include <mutex>
#include "obs/gs/gs-effect.hpp"
#include "obs/gs/gs-rendertarget.hpp"
#include "obs/gs/gs-texture.hpp"
#include "obs/obs-source-factory.hpp"
#include "plugin.hpp"
#include "util/util-threadpool.hpp"
#ifdef ENABLE_FILTER_DENOISING_NVIDIA
#include "nvidia/vfx/nvidia-vfx-denoising.hpp"
#endif
namespace streamfx::filter::denoising {
enum denoising_provider {
INVALID = -1,
AUTOMATIC = 0,
NVIDIA_DENOISING = 1,
};
const char* cstring(denoising_provider provider);
std::string string(denoising_provider provider);
class denoising_instance : public obs::source_instance {
std::pair<uint32_t, uint32_t> _size;
denoising_provider _provider;
denoising_provider _provider_ui;
std::atomic<bool> _provider_ready;
std::mutex _provider_lock;
std::shared_ptr<util::threadpool::task> _provider_task;
std::shared_ptr<::streamfx::obs::gs::effect> _standard_effect;
std::shared_ptr<::streamfx::obs::gs::sampler> _channel0_sampler;
std::shared_ptr<::streamfx::obs::gs::sampler> _channel1_sampler;
std::shared_ptr<::streamfx::obs::gs::rendertarget> _input;
std::shared_ptr<::streamfx::obs::gs::texture> _output;
bool _dirty;
#ifdef ENABLE_FILTER_DENOISING_NVIDIA
std::shared_ptr<::streamfx::nvidia::vfx::denoising> _nvidia_fx;
#endif
public:
denoising_instance(obs_data_t* data, obs_source_t* self);
~denoising_instance() override;
void load(obs_data_t* data) override;
void migrate(obs_data_t* data, uint64_t version) override;
void update(obs_data_t* data) override;
void properties(obs_properties_t* properties);
uint32_t get_width() override;
uint32_t get_height() override;
void video_tick(float_t time) override;
void video_render(gs_effect_t* effect) override;
private:
void switch_provider(denoising_provider provider);
void task_switch_provider(util::threadpool_data_t data);
#ifdef ENABLE_FILTER_DENOISING_NVIDIA
void nvvfx_denoising_load();
void nvvfx_denoising_unload();
void nvvfx_denoising_size();
void nvvfx_denoising_process();
void nvvfx_denoising_properties(obs_properties_t* props);
void nvvfx_denoising_update(obs_data_t* data);
#endif
};
class denoising_factory : public obs::source_factory<::streamfx::filter::denoising::denoising_factory,
::streamfx::filter::denoising::denoising_instance> {
#ifdef ENABLE_FILTER_DENOISING_NVIDIA
bool _nvidia_available;
std::shared_ptr<::streamfx::nvidia::cuda::obs> _nvcuda;
std::shared_ptr<::streamfx::nvidia::cv::cv> _nvcvi;
std::shared_ptr<::streamfx::nvidia::vfx::vfx> _nvvfx;
#endif
public:
virtual ~denoising_factory();
denoising_factory();
virtual const char* get_name() override;
virtual void get_defaults2(obs_data_t* data) override;
virtual obs_properties_t* get_properties2(denoising_instance* data) override;
#ifdef ENABLE_FRONTEND
static bool on_manual_open(obs_properties_t* props, obs_property_t* property, void* data);
#endif
bool is_provider_available(denoising_provider);
denoising_provider find_ideal_provider();
public: // Singleton
static void initialize();
static void finalize();
static std::shared_ptr<::streamfx::filter::denoising::denoising_factory> get();
};
} // namespace streamfx::filter::denoising