mirror of
https://github.com/Xaymar/obs-StreamFX
synced 2024-10-24 05:42:39 +00:00
d47ab0570f
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.
447 lines
16 KiB
C++
447 lines
16 KiB
C++
/*
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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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{
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return 0;
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}
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virtual uint32_t get_height()
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{
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return 0;
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}
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virtual void update(obs_data_t* settings) {}
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virtual void activate() {}
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virtual void deactivate() {}
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virtual void show() {}
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virtual void hide() {}
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virtual void video_tick(float seconds) {}
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virtual void video_render(gs_effect_t* effect) {}
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virtual struct obs_source_frame* filter_video(struct obs_source_frame* frame)
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{
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return frame;
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}
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virtual struct obs_audio_data* filter_audio(struct obs_audio_data* audio)
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{
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return audio;
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}
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virtual void enum_active_sources(obs_source_enum_proc_t enum_callback, void* param) {}
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virtual void save(obs_data_t* settings) {}
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virtual void load(obs_data_t* settings) {}
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virtual void mouse_click(const struct obs_mouse_event* event, int32_t type, bool mouse_up, uint32_t click_count)
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{}
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virtual void mouse_move(const struct obs_mouse_event* event, bool mouse_leave) {}
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virtual void mouse_wheel(const struct obs_mouse_event* event, int x_delta, int y_delta) {}
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virtual void focus(bool focus) {}
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virtual void key_click(const struct obs_key_event* event, bool key_up) {}
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virtual void filter_remove(obs_source_t* source) {}
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virtual bool audio_render(uint64_t* ts_out, struct obs_source_audio_mix* audio_output, uint32_t mixers,
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size_t channels, size_t sample_rate)
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{
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return false;
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}
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virtual void enum_all_sources(obs_source_enum_proc_t enum_callback, void* param) {}
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virtual void transition_start() {}
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virtual void transition_stop() {}
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virtual bool audio_mix(uint64_t* ts_out, struct audio_output_data* audio_output, size_t channels,
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size_t sample_rate)
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{
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return false;
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}
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};
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} // namespace obs
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#endif
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