obs-StreamFX/source/filters/filter-denoising.cpp

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// AUTOGENERATED COPYRIGHT HEADER START
// Copyright (C) 2021-2023 Michael Fabian 'Xaymar' Dirks <info@xaymar.com>
// AUTOGENERATED COPYRIGHT HEADER END
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#include "filter-denoising.hpp"
#include "obs/gs/gs-helper.hpp"
#include "plugin.hpp"
#include "util/util-logging.hpp"
#include "warning-disable.hpp"
#include <algorithm>
#include "warning-enable.hpp"
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#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 "<filter::video_denoising> "
#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
#define ST_I18N "Filter.Denoising"
#define ST_KEY_PROVIDER "Provider"
#define ST_I18N_PROVIDER ST_I18N "." ST_KEY_PROVIDER
#define ST_I18N_PROVIDER_NVIDIA_DENOISING ST_I18N_PROVIDER ".NVIDIA.Denoising"
#ifdef ENABLE_FILTER_DENOISING_NVIDIA
#define ST_KEY_NVIDIA_DENOISING "NVIDIA.Denoising"
#define ST_I18N_NVIDIA_DENOISING ST_I18N "." ST_KEY_NVIDIA_DENOISING
#define ST_KEY_NVIDIA_DENOISING_STRENGTH "NVIDIA.Denoising.Strength"
#define ST_I18N_NVIDIA_DENOISING_STRENGTH ST_I18N "." ST_KEY_NVIDIA_DENOISING_STRENGTH
#define ST_I18N_NVIDIA_DENOISING_STRENGTH_WEAK ST_I18N_NVIDIA_DENOISING_STRENGTH ".Weak"
#define ST_I18N_NVIDIA_DENOISING_STRENGTH_STRONG ST_I18N_NVIDIA_DENOISING_STRENGTH ".Strong"
#endif
using streamfx::filter::denoising::denoising_factory;
using streamfx::filter::denoising::denoising_instance;
using streamfx::filter::denoising::denoising_provider;
static constexpr std::string_view HELP_URL = "https://github.com/Xaymar/obs-StreamFX/wiki/Filter-Denoising";
static denoising_provider provider_priority[] = {
denoising_provider::NVIDIA_DENOISING,
};
const char* streamfx::filter::denoising::cstring(denoising_provider provider)
{
switch (provider) {
case denoising_provider::INVALID:
return "N/A";
case denoising_provider::AUTOMATIC:
return D_TRANSLATE(S_STATE_AUTOMATIC);
case denoising_provider::NVIDIA_DENOISING:
return D_TRANSLATE(ST_I18N_PROVIDER_NVIDIA_DENOISING);
default:
throw std::runtime_error("Missing Conversion Entry");
}
}
std::string streamfx::filter::denoising::string(denoising_provider provider)
{
return cstring(provider);
}
//------------------------------------------------------------------------------
// Instance
//------------------------------------------------------------------------------
denoising_instance::denoising_instance(obs_data_t* data, obs_source_t* self)
: obs::source_instance(data, self),
_size(1, 1), _provider(denoising_provider::INVALID), _provider_ui(denoising_provider::INVALID), _provider_ready(false), _provider_lock(), _provider_task(), _input(), _output()
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{
D_LOG_DEBUG("Initializating... (Addr: 0x%" PRIuPTR ")", this);
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{
::streamfx::obs::gs::context gctx;
// Create the render target for the input buffering.
_input = std::make_shared<::streamfx::obs::gs::rendertarget>(GS_RGBA_UNORM, GS_ZS_NONE);
_input->render(1, 1); // Preallocate the RT on the driver and GPU.
_output = _input->get_texture();
// Load the required effect.
_standard_effect = std::make_shared<::streamfx::obs::gs::effect>(::streamfx::data_file_path("effects/standard.effect"));
// Create Samplers
_channel0_sampler = std::make_shared<::streamfx::obs::gs::sampler>();
_channel0_sampler->set_filter(gs_sample_filter::GS_FILTER_LINEAR);
_channel0_sampler->set_address_mode_u(GS_ADDRESS_CLAMP);
_channel0_sampler->set_address_mode_v(GS_ADDRESS_CLAMP);
_channel1_sampler = std::make_shared<::streamfx::obs::gs::sampler>();
_channel1_sampler->set_filter(gs_sample_filter::GS_FILTER_LINEAR);
_channel1_sampler->set_address_mode_u(GS_ADDRESS_CLAMP);
_channel1_sampler->set_address_mode_v(GS_ADDRESS_CLAMP);
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}
if (data) {
load(data);
}
}
denoising_instance::~denoising_instance()
{
D_LOG_DEBUG("Finalizing... (Addr: 0x%" PRIuPTR ")", this);
{ // Unload the underlying effect ASAP.
std::unique_lock<std::mutex> ul(_provider_lock);
// De-queue the underlying task.
if (_provider_task) {
streamfx::threadpool()->pop(_provider_task);
_provider_task->await_completion();
_provider_task.reset();
}
// TODO: Make this asynchronous.
switch (_provider) {
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#ifdef ENABLE_FILTER_DENOISING_NVIDIA
case denoising_provider::NVIDIA_DENOISING:
nvvfx_denoising_unload();
break;
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#endif
default:
break;
}
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}
}
void denoising_instance::load(obs_data_t* data)
{
update(data);
}
void denoising_instance::migrate(obs_data_t* data, uint64_t version) {}
void denoising_instance::update(obs_data_t* data)
{
// Check if the user changed which Denoising provider we use.
denoising_provider provider = static_cast<denoising_provider>(obs_data_get_int(data, ST_KEY_PROVIDER));
if (provider == denoising_provider::AUTOMATIC) {
provider = denoising_factory::get()->find_ideal_provider();
}
// Check if the provider was changed, and if so switch.
if (provider != _provider) {
_provider_ui = provider;
switch_provider(provider);
}
if (_provider_ready) {
std::unique_lock<std::mutex> ul(_provider_lock);
switch (_provider) {
#ifdef ENABLE_FILTER_DENOISING_NVIDIA
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case denoising_provider::NVIDIA_DENOISING:
nvvfx_denoising_update(data);
break;
#endif
default:
break;
}
}
}
void streamfx::filter::denoising::denoising_instance::properties(obs_properties_t* properties)
{
switch (_provider_ui) {
#ifdef ENABLE_FILTER_DENOISING_NVIDIA
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case denoising_provider::NVIDIA_DENOISING:
nvvfx_denoising_properties(properties);
break;
#endif
default:
break;
}
}
uint32_t streamfx::filter::denoising::denoising_instance::get_width()
{
return std::max<uint32_t>(_size.first, 1);
}
uint32_t streamfx::filter::denoising::denoising_instance::get_height()
{
return std::max<uint32_t>(_size.second, 1);
}
void denoising_instance::video_tick(float_t time)
{
auto parent = obs_filter_get_parent(_self);
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auto target = obs_filter_get_target(_self);
auto width = obs_source_get_base_width(target);
auto height = obs_source_get_base_height(target);
// Verify that the detected size makes sense.
if ((width > 0) && (height > 0)) {
_size = {width, height};
}
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// Allow the provider to restrict the size.
if (target && _provider_ready) {
std::unique_lock<std::mutex> ul(_provider_lock);
switch (_provider) {
#ifdef ENABLE_FILTER_DENOISING_NVIDIA
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case denoising_provider::NVIDIA_DENOISING:
nvvfx_denoising_size();
break;
#endif
default:
break;
}
}
_dirty = true;
}
void denoising_instance::video_render(gs_effect_t* effect)
{
auto parent = obs_filter_get_parent(_self);
auto target = obs_filter_get_target(_self);
auto width = obs_source_get_base_width(target);
auto height = obs_source_get_base_height(target);
vec4 blank = vec4{0, 0, 0, 0};
// Ensure we have the bare minimum of valid information.
target = target ? target : parent;
effect = effect ? effect : obs_get_base_effect(OBS_EFFECT_DEFAULT);
// Skip the filter if:
// - The Provider isn't ready yet.
// - We don't have a target.
// - The width/height of the next filter in the chain is empty.
if (!_provider_ready || !target || (width == 0) || (height == 0)) {
obs_source_skip_video_filter(_self);
return;
}
#if defined(ENABLE_PROFILING) && !defined(D_PLATFORM_MAC) && _DEBUG
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::streamfx::obs::gs::debug_marker profiler0{::streamfx::obs::gs::debug_color_source, "StreamFX Denoising"};
::streamfx::obs::gs::debug_marker profiler0_0{::streamfx::obs::gs::debug_color_gray, "'%s' on '%s'", obs_source_get_name(_self), obs_source_get_name(parent)};
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#endif
if (_dirty) { // Lock the provider from being changed.
std::unique_lock<std::mutex> ul(_provider_lock);
{ // Allow the provider to restrict the size.
switch (_provider) {
#ifdef ENABLE_FILTER_DENOISING_NVIDIA
case denoising_provider::NVIDIA_DENOISING:
nvvfx_denoising_size();
break;
#endif
default:
_size = {width, height};
break;
}
}
{ // Capture the incoming frame.
#if defined(ENABLE_PROFILING) && !defined(D_PLATFORM_MAC) && _DEBUG
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::streamfx::obs::gs::debug_marker profiler1{::streamfx::obs::gs::debug_color_capture, "Capture"};
#endif
if (obs_source_process_filter_begin(_self, GS_RGBA, OBS_ALLOW_DIRECT_RENDERING)) {
auto op = _input->render(_size.first, _size.second);
// Matrix
gs_matrix_push();
gs_ortho(0., 1., 0., 1., 0., 1.);
// Clear the buffer
gs_clear(GS_CLEAR_COLOR | GS_CLEAR_DEPTH, &blank, 0, 0);
// Set GPU state
gs_blend_state_push();
gs_enable_color(true, true, true, true);
gs_enable_blending(false);
gs_enable_depth_test(false);
gs_enable_stencil_test(false);
gs_set_cull_mode(GS_NEITHER);
// Render
#if defined(ENABLE_PROFILING) && !defined(D_PLATFORM_MAC) && _DEBUG
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::streamfx::obs::gs::debug_marker profiler2{::streamfx::obs::gs::debug_color_capture, "Storage"};
#endif
obs_source_process_filter_end(_self, obs_get_base_effect(OBS_EFFECT_DEFAULT), 1, 1);
// Reset GPU state
gs_blend_state_pop();
gs_matrix_pop();
} else {
obs_source_skip_video_filter(_self);
return;
}
}
try { // Process the captured input with the provider.
#if defined(ENABLE_PROFILING) && !defined(D_PLATFORM_MAC) && _DEBUG
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::streamfx::obs::gs::debug_marker profiler1{::streamfx::obs::gs::debug_color_convert, "Process"};
#endif
switch (_provider) {
#ifdef ENABLE_FILTER_DENOISING_NVIDIA
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case denoising_provider::NVIDIA_DENOISING:
nvvfx_denoising_process();
break;
#endif
default:
_output.reset();
break;
}
} catch (...) {
obs_source_skip_video_filter(_self);
return;
}
if (!_output) {
D_LOG_ERROR("Provider '%s' did not return a result.", cstring(_provider));
obs_source_skip_video_filter(_self);
return;
}
// Mark "clean".
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_dirty = false;
// Unlock the provider, as we are no longer doing critical work with it.
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}
{ // Draw the result for the next filter to use.
#if defined(ENABLE_PROFILING) && !defined(D_PLATFORM_MAC) && _DEBUG
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::streamfx::obs::gs::debug_marker profiler1{::streamfx::obs::gs::debug_color_render, "Render"};
#endif
if (_standard_effect->has_parameter("InputA", ::streamfx::obs::gs::effect_parameter::type::Texture)) {
_standard_effect->get_parameter("InputA").set_texture(_output);
}
if (_standard_effect->has_parameter("InputB", ::streamfx::obs::gs::effect_parameter::type::Texture)) {
_standard_effect->get_parameter("InputB").set_texture(_input->get_texture());
}
while (gs_effect_loop(_standard_effect->get_object(), "RestoreAlpha")) {
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gs_draw_sprite(nullptr, 0, _size.first, _size.second);
}
}
}
struct switch_provider_data_t {
denoising_provider provider;
};
void streamfx::filter::denoising::denoising_instance::switch_provider(denoising_provider provider)
{
std::unique_lock<std::mutex> ul(_provider_lock);
// Safeguard against calls made from unlocked memory.
if (provider == _provider) {
return;
}
// This doesn't work correctly.
// - Need to allow multiple switches at once because OBS is weird.
// - Doesn't guarantee that the task is properly killed off.
// Log information.
D_LOG_INFO("Instance '%s' is switching provider from '%s' to '%s'.", obs_source_get_name(_self), cstring(_provider), cstring(provider));
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// If there is an existing task, attempt to cancel it.
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if (_provider_task) {
// De-queue it.
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streamfx::threadpool()->pop(_provider_task);
// Await the death of the task itself.
_provider_task->await_completion();
// Clear any memory associated with it.
_provider_task.reset();
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}
// Build data to pass into the task.
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auto spd = std::make_shared<switch_provider_data_t>();
spd->provider = _provider;
_provider = provider;
// Then spawn a new task to switch provider.
_provider_task = streamfx::threadpool()->push(std::bind(&denoising_instance::task_switch_provider, this, std::placeholders::_1), spd);
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}
void streamfx::filter::denoising::denoising_instance::task_switch_provider(util::threadpool::task_data_t data)
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{
std::shared_ptr<switch_provider_data_t> spd = std::static_pointer_cast<switch_provider_data_t>(data);
// 1. Mark the provider as no longer ready.
_provider_ready = false;
// 2. Lock the provider from being used.
std::unique_lock<std::mutex> ul(_provider_lock);
try {
// 3. Unload the previous provider.
switch (spd->provider) {
#ifdef ENABLE_FILTER_DENOISING_NVIDIA
case denoising_provider::NVIDIA_DENOISING:
nvvfx_denoising_unload();
break;
#endif
default:
break;
}
// 4. Load the new provider.
switch (_provider) {
#ifdef ENABLE_FILTER_DENOISING_NVIDIA
case denoising_provider::NVIDIA_DENOISING:
nvvfx_denoising_load();
break;
#endif
default:
break;
}
// Log information.
D_LOG_INFO("Instance '%s' switched provider from '%s' to '%s'.", obs_source_get_name(_self), cstring(spd->provider), cstring(_provider));
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_provider_ready = true;
} catch (std::exception const& ex) {
// Log information.
D_LOG_ERROR("Instance '%s' failed switching provider with error: %s", obs_source_get_name(_self), ex.what());
}
}
#ifdef ENABLE_FILTER_DENOISING_NVIDIA
void streamfx::filter::denoising::denoising_instance::nvvfx_denoising_load()
{
_nvidia_fx = std::make_shared<::streamfx::nvidia::vfx::denoising>();
}
void streamfx::filter::denoising::denoising_instance::nvvfx_denoising_unload()
{
_nvidia_fx.reset();
}
void streamfx::filter::denoising::denoising_instance::nvvfx_denoising_size()
{
if (!_nvidia_fx) {
return;
}
_nvidia_fx->size(_size);
}
void streamfx::filter::denoising::denoising_instance::nvvfx_denoising_process()
{
if (!_nvidia_fx) {
_output = _input->get_texture();
return;
}
_output = _nvidia_fx->process(_input->get_texture());
}
void streamfx::filter::denoising::denoising_instance::nvvfx_denoising_properties(obs_properties_t* props)
{
obs_properties_t* grp = obs_properties_create();
obs_properties_add_group(props, ST_KEY_NVIDIA_DENOISING, D_TRANSLATE(ST_I18N_NVIDIA_DENOISING), OBS_GROUP_NORMAL, grp);
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{
auto p = obs_properties_add_list(grp, ST_KEY_NVIDIA_DENOISING_STRENGTH, D_TRANSLATE(ST_I18N_NVIDIA_DENOISING_STRENGTH), OBS_COMBO_TYPE_LIST, OBS_COMBO_FORMAT_INT);
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obs_property_list_add_int(p, D_TRANSLATE(ST_I18N_NVIDIA_DENOISING_STRENGTH_WEAK), 0);
obs_property_list_add_int(p, D_TRANSLATE(ST_I18N_NVIDIA_DENOISING_STRENGTH_STRONG), 1);
}
}
void streamfx::filter::denoising::denoising_instance::nvvfx_denoising_update(obs_data_t* data)
{
if (!_nvidia_fx)
return;
_nvidia_fx->set_strength(static_cast<float>(obs_data_get_int(data, ST_KEY_NVIDIA_DENOISING_STRENGTH) == 0 ? 0. : 1.));
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}
#endif
//------------------------------------------------------------------------------
// Factory
//------------------------------------------------------------------------------
denoising_factory::~denoising_factory() {}
denoising_factory::denoising_factory()
{
bool any_available = false;
// 1. Try and load any configured providers.
#ifdef ENABLE_FILTER_DENOISING_NVIDIA
try {
// Load CVImage and Video Effects SDK.
_nvcuda = ::streamfx::nvidia::cuda::obs::get();
_nvcvi = ::streamfx::nvidia::cv::cv::get();
_nvvfx = ::streamfx::nvidia::vfx::vfx::get();
_nvidia_available = true;
any_available |= _nvidia_available;
} catch (const std::exception& ex) {
_nvidia_available = false;
_nvvfx.reset();
_nvcvi.reset();
_nvcuda.reset();
D_LOG_WARNING("Failed to make NVIDIA providers available due to error: %s", ex.what());
} catch (...) {
_nvidia_available = false;
_nvvfx.reset();
_nvcvi.reset();
_nvcuda.reset();
D_LOG_WARNING("Failed to make NVIDIA providers available with unknown error.", nullptr);
}
#endif
// 2. Check if any of them managed to load at all.
if (!any_available) {
D_LOG_ERROR("All supported providers failed to initialize, disabling effect.", 0);
return;
}
// 3. In any other case, register the filter!
_info.id = S_PREFIX "filter-denoising";
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_info.type = OBS_SOURCE_TYPE_FILTER;
_info.output_flags = OBS_SOURCE_VIDEO | OBS_SOURCE_CUSTOM_DRAW;
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support_size(true);
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finish_setup();
// Proxies
register_proxy("streamfx-filter-video-denoising");
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}
const char* denoising_factory::get_name()
{
return D_TRANSLATE(ST_I18N);
}
void denoising_factory::get_defaults2(obs_data_t* data)
{
obs_data_set_default_int(data, ST_KEY_PROVIDER, static_cast<int64_t>(denoising_provider::AUTOMATIC));
#ifdef ENABLE_FILTER_DENOISING_NVIDIA
obs_data_set_default_double(data, ST_KEY_NVIDIA_DENOISING_STRENGTH, 1.);
#endif
}
static bool modified_provider(obs_properties_t* props, obs_property_t*, obs_data_t* settings) noexcept
{
try {
return true;
} catch (const std::exception& ex) {
DLOG_ERROR("Unexpected exception in function '%s': %s.", __FUNCTION_NAME__, ex.what());
return false;
} catch (...) {
DLOG_ERROR("Unexpected exception in function '%s'.", __FUNCTION_NAME__);
return false;
}
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}
obs_properties_t* denoising_factory::get_properties2(denoising_instance* data)
{
obs_properties_t* pr = obs_properties_create();
#ifdef ENABLE_FRONTEND
{
obs_properties_add_button2(pr, S_MANUAL_OPEN, D_TRANSLATE(S_MANUAL_OPEN), denoising_factory::on_manual_open, nullptr);
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}
#endif
if (data) {
data->properties(pr);
}
{ // Advanced Settings
auto grp = obs_properties_create();
obs_properties_add_group(pr, S_ADVANCED, D_TRANSLATE(S_ADVANCED), OBS_GROUP_NORMAL, grp);
{
auto p = obs_properties_add_list(grp, ST_KEY_PROVIDER, D_TRANSLATE(ST_I18N_PROVIDER), OBS_COMBO_TYPE_LIST, OBS_COMBO_FORMAT_INT);
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obs_property_set_modified_callback(p, modified_provider);
obs_property_list_add_int(p, D_TRANSLATE(S_STATE_AUTOMATIC), static_cast<int64_t>(denoising_provider::AUTOMATIC));
obs_property_list_add_int(p, D_TRANSLATE(ST_I18N_PROVIDER_NVIDIA_DENOISING), static_cast<int64_t>(denoising_provider::NVIDIA_DENOISING));
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}
}
return pr;
}
#ifdef ENABLE_FRONTEND
bool denoising_factory::on_manual_open(obs_properties_t* props, obs_property_t* property, void* data)
{
streamfx::open_url(HELP_URL);
return false;
}
#endif
bool streamfx::filter::denoising::denoising_factory::is_provider_available(denoising_provider provider)
{
switch (provider) {
#ifdef ENABLE_FILTER_DENOISING_NVIDIA
case denoising_provider::NVIDIA_DENOISING:
return _nvidia_available;
#endif
default:
return false;
}
}
denoising_provider streamfx::filter::denoising::denoising_factory::find_ideal_provider()
{
for (auto v : provider_priority) {
if (is_provider_available(v)) {
return v;
break;
}
}
return denoising_provider::AUTOMATIC;
}
std::shared_ptr<denoising_factory> _video_denoising_factory_instance = nullptr;
void denoising_factory::initialize()
{
try {
if (!_video_denoising_factory_instance)
_video_denoising_factory_instance = std::make_shared<denoising_factory>();
} catch (const std::exception& ex) {
D_LOG_ERROR("Failed to initialize due to error: %s", ex.what());
} catch (...) {
D_LOG_ERROR("Failed to initialize due to unknown error.", "");
}
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}
void denoising_factory::finalize()
{
_video_denoising_factory_instance.reset();
}
std::shared_ptr<denoising_factory> denoising_factory::get()
{
return _video_denoising_factory_instance;
}