mirror of
https://github.com/Xaymar/obs-StreamFX
synced 2024-12-29 11:01:23 +00:00
obs-source-factory: Barebone Source Factory and Instance
This class and template should be used to reduce the code clutter from repeatedly doing the same thing. It requires OBS v24.0 or newer since the get_properties2 and get_defaults2 API were fully implemented with it.
This commit is contained in:
Michael Fabian 'Xaymar' Dirks
parent
6db575c9cf
commit
d47ab0570f
3 changed files with 470 additions and 0 deletions
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@ -333,6 +333,8 @@ set(PROJECT_PRIVATE_SOURCE
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"${PROJECT_SOURCE_DIR}/source/obs/obs-tools.cpp"
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"${PROJECT_SOURCE_DIR}/source/obs/obs-source.hpp"
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"${PROJECT_SOURCE_DIR}/source/obs/obs-source.cpp"
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"${PROJECT_SOURCE_DIR}/source/obs/obs-source-factory.hpp"
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"${PROJECT_SOURCE_DIR}/source/obs/obs-source-factory.cpp"
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"${PROJECT_SOURCE_DIR}/source/obs/obs-source-tracker.hpp"
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"${PROJECT_SOURCE_DIR}/source/obs/obs-source-tracker.cpp"
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21
source/obs/obs-source-factory.cpp
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21
source/obs/obs-source-factory.cpp
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@ -0,0 +1,21 @@
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/*
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* Modern effects for a modern Streamer
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* Copyright (C) 2018 Michael Fabian Dirks
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "obs-source-factory.hpp"
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447
source/obs/obs-source-factory.hpp
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447
source/obs/obs-source-factory.hpp
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@ -0,0 +1,447 @@
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/*
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* Modern effects for a modern Streamer
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* Copyright (C) 2018 Michael Fabian Dirks
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifndef STREAMEFFECTS_SOURCE_FACTORY_HPP
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#define STREAMEFFECTS_SOURCE_FACTORY_HPP
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#pragma once
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#include "plugin.hpp"
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#ifdef _MSC_VER
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#pragma warning(push)
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#pragma warning(disable : 4201)
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#endif
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#include <obs-source.h>
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#include <obs.h>
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#ifdef _MSC_VER
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#pragma warning(pop)
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#endif
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namespace obs {
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template<class _factory, typename _instance>
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class source_factory {
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protected:
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obs_source_info _info = {};
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public:
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source_factory()
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{
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_info.type_data = this;
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_info.get_name = _get_name;
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_info.create = _create;
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_info.destroy = _destroy;
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_info.get_defaults2 = _get_defaults2;
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_info.get_properties2 = _get_properties2;
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_info.get_width = _get_width;
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_info.get_height = _get_height;
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_info.update = _update;
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_info.activate = _activate;
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_info.deactivate = _deactivate;
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_info.show = _show;
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_info.hide = _hide;
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_info.video_tick = _video_tick;
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_info.video_render = _video_render;
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_info.filter_video = _filter_video;
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_info.filter_audio = _filter_audio;
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_info.enum_active_sources = _enum_active_sources;
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_info.save = _save;
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_info.load = _load;
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_info.mouse_click = _mouse_click;
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_info.mouse_move = _mouse_move;
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_info.mouse_wheel = _mouse_wheel;
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_info.focus = _focus;
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_info.key_click = _key_click;
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_info.filter_remove = _filter_remove;
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_info.audio_render = _audio_render;
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_info.enum_all_sources = _enum_all_sources;
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_info.transition_start = _transition_start;
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_info.transition_stop = _transition_stop;
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_info.audio_mix = _audio_mix;
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}
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virtual ~source_factory() {}
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private /* Factory */:
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static const char* _get_name(void* type_data) noexcept try {
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return reinterpret_cast<_factory*>(type_data)->get_name();
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} catch (const std::exception& ex) {
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P_LOG_ERROR("Unexpected exception in function '%s': %s.", __FUNCTION_NAME__, ex.what());
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return nullptr;
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} catch (...) {
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P_LOG_ERROR("Unexpected exception in function '%s'.", __FUNCTION_NAME__);
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return nullptr;
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}
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static void* _create(obs_data_t* settings, obs_source_t* source) noexcept try {
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return reinterpret_cast<_factory*>(obs_source_get_type_data(source))->create(settings, source);
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} catch (const std::exception& ex) {
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P_LOG_ERROR("Unexpected exception in function '%s': %s.", __FUNCTION_NAME__, ex.what());
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return nullptr;
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} catch (...) {
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P_LOG_ERROR("Unexpected exception in function '%s'.", __FUNCTION_NAME__);
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return nullptr;
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}
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static void _get_defaults2(void* type_data, obs_data_t* settings) noexcept try {
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reinterpret_cast<_factory*>(type_data)->get_defaults2(settings);
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} catch (const std::exception& ex) {
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P_LOG_ERROR("Unexpected exception in function '%s': %s.", __FUNCTION_NAME__, ex.what());
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} catch (...) {
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P_LOG_ERROR("Unexpected exception in function '%s'.", __FUNCTION_NAME__);
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}
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static obs_properties_t* _get_properties2(void* data, void* type_data) noexcept try {
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return reinterpret_cast<_factory*>(type_data)->get_properties2(reinterpret_cast<_instance*>(data));
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} catch (const std::exception& ex) {
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P_LOG_ERROR("Unexpected exception in function '%s': %s.", __FUNCTION_NAME__, ex.what());
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return nullptr;
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} catch (...) {
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P_LOG_ERROR("Unexpected exception in function '%s'.", __FUNCTION_NAME__);
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return nullptr;
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}
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private /* Instance */:
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static void _destroy(void* data) noexcept try {
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delete reinterpret_cast<_instance*>(data);
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} catch (const std::exception& ex) {
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P_LOG_ERROR("Unexpected exception in function '%s': %s.", __FUNCTION_NAME__, ex.what());
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} catch (...) {
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P_LOG_ERROR("Unexpected exception in function '%s'.", __FUNCTION_NAME__);
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}
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static uint32_t _get_width(void* data) noexcept try {
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return reinterpret_cast<_instance*>(data)->get_width();
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} catch (const std::exception& ex) {
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P_LOG_ERROR("Unexpected exception in function '%s': %s.", __FUNCTION_NAME__, ex.what());
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return 0;
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} catch (...) {
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P_LOG_ERROR("Unexpected exception in function '%s'.", __FUNCTION_NAME__);
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return 0;
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}
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static uint32_t _get_height(void* data) noexcept try {
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return reinterpret_cast<_instance*>(data)->get_height();
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} catch (const std::exception& ex) {
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P_LOG_ERROR("Unexpected exception in function '%s': %s.", __FUNCTION_NAME__, ex.what());
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return 0;
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} catch (...) {
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P_LOG_ERROR("Unexpected exception in function '%s'.", __FUNCTION_NAME__);
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return 0;
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}
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static void _update(void* data, obs_data_t* settings) noexcept try {
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reinterpret_cast<_instance*>(data)->update(settings);
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} catch (const std::exception& ex) {
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P_LOG_ERROR("Unexpected exception in function '%s': %s.", __FUNCTION_NAME__, ex.what());
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} catch (...) {
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P_LOG_ERROR("Unexpected exception in function '%s'.", __FUNCTION_NAME__);
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}
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static void _activate(void* data) noexcept try {
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reinterpret_cast<_instance*>(data)->activate();
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} catch (const std::exception& ex) {
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P_LOG_ERROR("Unexpected exception in function '%s': %s.", __FUNCTION_NAME__, ex.what());
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} catch (...) {
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P_LOG_ERROR("Unexpected exception in function '%s'.", __FUNCTION_NAME__);
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}
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static void _deactivate(void* data) noexcept try {
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reinterpret_cast<_instance*>(data)->deactivate();
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} catch (const std::exception& ex) {
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P_LOG_ERROR("Unexpected exception in function '%s': %s.", __FUNCTION_NAME__, ex.what());
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} catch (...) {
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P_LOG_ERROR("Unexpected exception in function '%s'.", __FUNCTION_NAME__);
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}
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static void _show(void* data) noexcept try {
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reinterpret_cast<_instance*>(data)->show();
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} catch (const std::exception& ex) {
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P_LOG_ERROR("Unexpected exception in function '%s': %s.", __FUNCTION_NAME__, ex.what());
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} catch (...) {
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P_LOG_ERROR("Unexpected exception in function '%s'.", __FUNCTION_NAME__);
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}
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static void _hide(void* data) noexcept try {
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reinterpret_cast<_instance*>(data)->hide();
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} catch (const std::exception& ex) {
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P_LOG_ERROR("Unexpected exception in function '%s': %s.", __FUNCTION_NAME__, ex.what());
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} catch (...) {
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P_LOG_ERROR("Unexpected exception in function '%s'.", __FUNCTION_NAME__);
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}
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static void _video_tick(void* data, float seconds) noexcept try {
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reinterpret_cast<_instance*>(data)->video_tick(seconds);
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} catch (const std::exception& ex) {
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P_LOG_ERROR("Unexpected exception in function '%s': %s.", __FUNCTION_NAME__, ex.what());
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} catch (...) {
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P_LOG_ERROR("Unexpected exception in function '%s'.", __FUNCTION_NAME__);
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}
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static void _video_render(void* data, gs_effect_t* effect) noexcept try {
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reinterpret_cast<_instance*>(data)->video_render(effect);
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} catch (const std::exception& ex) {
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P_LOG_ERROR("Unexpected exception in function '%s': %s.", __FUNCTION_NAME__, ex.what());
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} catch (...) {
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P_LOG_ERROR("Unexpected exception in function '%s'.", __FUNCTION_NAME__);
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}
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static struct obs_source_frame* _filter_video(void* data, struct obs_source_frame* frame) noexcept try {
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return reinterpret_cast<_instance*>(data)->filter_video(frame);
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} catch (const std::exception& ex) {
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P_LOG_ERROR("Unexpected exception in function '%s': %s.", __FUNCTION_NAME__, ex.what());
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return frame;
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} catch (...) {
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P_LOG_ERROR("Unexpected exception in function '%s'.", __FUNCTION_NAME__);
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return frame;
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}
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static struct obs_audio_data* _filter_audio(void* data, struct obs_audio_data* frame) noexcept try {
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return reinterpret_cast<_instance*>(data)->filter_audio(frame);
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} catch (const std::exception& ex) {
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P_LOG_ERROR("Unexpected exception in function '%s': %s.", __FUNCTION_NAME__, ex.what());
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return frame;
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} catch (...) {
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P_LOG_ERROR("Unexpected exception in function '%s'.", __FUNCTION_NAME__);
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return frame;
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}
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static void _enum_active_sources(void* data, obs_source_enum_proc_t enum_callback, void* param) noexcept try {
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reinterpret_cast<_instance*>(data)->enum_active_sources(enum_callback, param);
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} catch (const std::exception& ex) {
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P_LOG_ERROR("Unexpected exception in function '%s': %s.", __FUNCTION_NAME__, ex.what());
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} catch (...) {
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P_LOG_ERROR("Unexpected exception in function '%s'.", __FUNCTION_NAME__);
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}
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static void _save(void* data, obs_data_t* settings) noexcept try {
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reinterpret_cast<_instance*>(data)->save(settings);
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} catch (const std::exception& ex) {
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P_LOG_ERROR("Unexpected exception in function '%s': %s.", __FUNCTION_NAME__, ex.what());
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} catch (...) {
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P_LOG_ERROR("Unexpected exception in function '%s'.", __FUNCTION_NAME__);
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}
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static void _load(void* data, obs_data_t* settings) noexcept try {
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reinterpret_cast<_instance*>(data)->load(settings);
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} catch (const std::exception& ex) {
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P_LOG_ERROR("Unexpected exception in function '%s': %s.", __FUNCTION_NAME__, ex.what());
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} catch (...) {
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P_LOG_ERROR("Unexpected exception in function '%s'.", __FUNCTION_NAME__);
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}
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static void _mouse_click(void* data, const struct obs_mouse_event* event, int32_t type, bool mouse_up,
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uint32_t click_count) noexcept try {
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reinterpret_cast<_instance*>(data)->mouse_click(event, type, mouse_up, click_count);
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} catch (const std::exception& ex) {
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P_LOG_ERROR("Unexpected exception in function '%s': %s.", __FUNCTION_NAME__, ex.what());
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} catch (...) {
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P_LOG_ERROR("Unexpected exception in function '%s'.", __FUNCTION_NAME__);
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}
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static void _mouse_move(void* data, const struct obs_mouse_event* event, bool mouse_leave) noexcept try {
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reinterpret_cast<_instance*>(data)->mouse_move(event, mouse_leave);
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} catch (const std::exception& ex) {
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P_LOG_ERROR("Unexpected exception in function '%s': %s.", __FUNCTION_NAME__, ex.what());
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} catch (...) {
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P_LOG_ERROR("Unexpected exception in function '%s'.", __FUNCTION_NAME__);
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}
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static void _mouse_wheel(void* data, const struct obs_mouse_event* event, int x_delta,
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int y_delta) noexcept try {
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reinterpret_cast<_instance*>(data)->mouse_wheel(event, x_delta, y_delta);
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} catch (const std::exception& ex) {
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P_LOG_ERROR("Unexpected exception in function '%s': %s.", __FUNCTION_NAME__, ex.what());
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} catch (...) {
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P_LOG_ERROR("Unexpected exception in function '%s'.", __FUNCTION_NAME__);
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}
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static void _focus(void* data, bool focus) noexcept try {
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reinterpret_cast<_instance*>(data)->focus(focus);
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} catch (const std::exception& ex) {
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P_LOG_ERROR("Unexpected exception in function '%s': %s.", __FUNCTION_NAME__, ex.what());
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} catch (...) {
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P_LOG_ERROR("Unexpected exception in function '%s'.", __FUNCTION_NAME__);
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}
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static void _key_click(void* data, const struct obs_key_event* event, bool key_up) noexcept try {
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reinterpret_cast<_instance*>(data)->key_click(event, key_up);
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} catch (const std::exception& ex) {
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P_LOG_ERROR("Unexpected exception in function '%s': %s.", __FUNCTION_NAME__, ex.what());
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} catch (...) {
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P_LOG_ERROR("Unexpected exception in function '%s'.", __FUNCTION_NAME__);
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}
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static void _filter_remove(void* data, obs_source_t* source) noexcept try {
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reinterpret_cast<_instance*>(data)->filter_remove(source);
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} catch (const std::exception& ex) {
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P_LOG_ERROR("Unexpected exception in function '%s': %s.", __FUNCTION_NAME__, ex.what());
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} catch (...) {
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P_LOG_ERROR("Unexpected exception in function '%s'.", __FUNCTION_NAME__);
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}
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static bool _audio_render(void* data, uint64_t* ts_out, struct obs_source_audio_mix* audio_output,
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uint32_t mixers, size_t channels, size_t sample_rate) noexcept try {
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return reinterpret_cast<_instance*>(data)->audio_render(ts_out, audio_output, mixers, channels,
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sample_rate);
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} catch (const std::exception& ex) {
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P_LOG_ERROR("Unexpected exception in function '%s': %s.", __FUNCTION_NAME__, ex.what());
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return false;
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} catch (...) {
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P_LOG_ERROR("Unexpected exception in function '%s'.", __FUNCTION_NAME__);
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return false;
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}
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static void _enum_all_sources(void* data, obs_source_enum_proc_t enum_callback, void* param) noexcept try {
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reinterpret_cast<_instance*>(data)->enum_all_sources(enum_callback, param);
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} catch (const std::exception& ex) {
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P_LOG_ERROR("Unexpected exception in function '%s': %s.", __FUNCTION_NAME__, ex.what());
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} catch (...) {
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P_LOG_ERROR("Unexpected exception in function '%s'.", __FUNCTION_NAME__);
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}
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static void _transition_start(void* data) noexcept try {
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reinterpret_cast<_instance*>(data)->transition_start();
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} catch (const std::exception& ex) {
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P_LOG_ERROR("Unexpected exception in function '%s': %s.", __FUNCTION_NAME__, ex.what());
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} catch (...) {
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P_LOG_ERROR("Unexpected exception in function '%s'.", __FUNCTION_NAME__);
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}
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static void _transition_stop(void* data) noexcept try {
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reinterpret_cast<_instance*>(data)->transition_stop();
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} catch (const std::exception& ex) {
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P_LOG_ERROR("Unexpected exception in function '%s': %s.", __FUNCTION_NAME__, ex.what());
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} catch (...) {
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P_LOG_ERROR("Unexpected exception in function '%s'.", __FUNCTION_NAME__);
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}
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static bool _audio_mix(void* data, uint64_t* ts_out, struct audio_output_data* audio_output, size_t channels,
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size_t sample_rate) noexcept try {
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return reinterpret_cast<_instance*>(data)->audio_mix(ts_out, audio_output, channels, sample_rate);
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} catch (const std::exception& ex) {
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P_LOG_ERROR("Unexpected exception in function '%s': %s.", __FUNCTION_NAME__, ex.what());
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return false;
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} catch (...) {
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P_LOG_ERROR("Unexpected exception in function '%s'.", __FUNCTION_NAME__);
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return false;
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}
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public:
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virtual const char* get_name()
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{
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return "Not Implemented Yet";
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}
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virtual void* create(obs_data_t* settings, obs_source_t* source)
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{
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return reinterpret_cast<void*>(new _instance(settings, source));
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}
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virtual void get_defaults2(obs_data_t* data) {}
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virtual obs_properties_t* get_properties2(_instance* data)
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{
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return nullptr;
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}
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};
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class source_instance {
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protected:
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obs_source_t* _self;
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public:
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source_instance(obs_data_t* settings, obs_source_t* source) : _self(source) {}
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virtual ~source_instance(){};
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virtual uint32_t get_width()
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{
|
||||
return 0;
|
||||
}
|
||||
|
||||
virtual uint32_t get_height()
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
virtual void update(obs_data_t* settings) {}
|
||||
|
||||
virtual void activate() {}
|
||||
|
||||
virtual void deactivate() {}
|
||||
|
||||
virtual void show() {}
|
||||
|
||||
virtual void hide() {}
|
||||
|
||||
virtual void video_tick(float seconds) {}
|
||||
|
||||
virtual void video_render(gs_effect_t* effect) {}
|
||||
|
||||
virtual struct obs_source_frame* filter_video(struct obs_source_frame* frame)
|
||||
{
|
||||
return frame;
|
||||
}
|
||||
|
||||
virtual struct obs_audio_data* filter_audio(struct obs_audio_data* audio)
|
||||
{
|
||||
return audio;
|
||||
}
|
||||
|
||||
virtual void enum_active_sources(obs_source_enum_proc_t enum_callback, void* param) {}
|
||||
|
||||
virtual void save(obs_data_t* settings) {}
|
||||
|
||||
virtual void load(obs_data_t* settings) {}
|
||||
|
||||
virtual void mouse_click(const struct obs_mouse_event* event, int32_t type, bool mouse_up, uint32_t click_count)
|
||||
{}
|
||||
|
||||
virtual void mouse_move(const struct obs_mouse_event* event, bool mouse_leave) {}
|
||||
|
||||
virtual void mouse_wheel(const struct obs_mouse_event* event, int x_delta, int y_delta) {}
|
||||
|
||||
virtual void focus(bool focus) {}
|
||||
|
||||
virtual void key_click(const struct obs_key_event* event, bool key_up) {}
|
||||
|
||||
virtual void filter_remove(obs_source_t* source) {}
|
||||
|
||||
virtual bool audio_render(uint64_t* ts_out, struct obs_source_audio_mix* audio_output, uint32_t mixers,
|
||||
size_t channels, size_t sample_rate)
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
virtual void enum_all_sources(obs_source_enum_proc_t enum_callback, void* param) {}
|
||||
|
||||
virtual void transition_start() {}
|
||||
|
||||
virtual void transition_stop() {}
|
||||
|
||||
virtual bool audio_mix(uint64_t* ts_out, struct audio_output_data* audio_output, size_t channels,
|
||||
size_t sample_rate)
|
||||
{
|
||||
return false;
|
||||
}
|
||||
};
|
||||
|
||||
} // namespace obs
|
||||
|
||||
#endif
|
||||
Loading…
Reference in a new issue