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obs-StreamFX/source/obs/obs-tools.cpp
2023-04-05 18:58:21 +02:00

112 lines
2.9 KiB
C++

/*
* Modern effects for a modern Streamer
* Copyright (C) 2018 Michael Fabian Dirks
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "obs-tools.hpp"
#include <map>
#include <set>
#include <stdexcept>
#include "obs-source.hpp"
#include "obs-weak-source.hpp"
#include "plugin.hpp"
struct __sfs_data {
std::set<::streamfx::obs::weak_source> sources;
};
void __source_find_source_enumerate(obs_source_t* haystack, __sfs_data* cbd)
{
auto tp = obs_source_get_type(haystack);
// Check if this source is already present in the set.
::streamfx::obs::weak_source weak_child{haystack};
if (!weak_child || (cbd->sources.find(weak_child) != cbd->sources.end())) {
return;
}
// If it was not in the list, add it now.
cbd->sources.insert(weak_child);
// Enumerate direct reference tree.
obs_source_enum_full_tree(
haystack,
[](obs_source_t* parent, obs_source_t* child, void* param) {
try {
__source_find_source_enumerate(child, reinterpret_cast<__sfs_data*>(param));
} catch (...) {
}
},
cbd);
switch (tp) {
case OBS_SOURCE_TYPE_SCENE: {
obs_scene_enum_items(
obs_scene_from_source(haystack),
[](obs_scene_t* scene, obs_sceneitem_t* item, void* param) {
try {
__sfs_data* cbd = reinterpret_cast<__sfs_data*>(param);
__source_find_source_enumerate(obs_sceneitem_get_source(item), cbd);
return true;
} catch (...) {
return true;
}
},
cbd);
}
#if __cplusplus >= 201700L
[[fallthrough]];
#endif
case OBS_SOURCE_TYPE_INPUT: {
// Enumerate filter tree.
obs_source_enum_filters(
haystack,
[](obs_source_t* parent, obs_source_t* child, void* param) {
try {
__sfs_data* cbd = reinterpret_cast<__sfs_data*>(param);
__source_find_source_enumerate(child, cbd);
} catch (...) {
}
},
cbd);
}
#if __cplusplus >= 201700L
[[fallthrough]];
#endif
default:
break;
}
}
bool streamfx::obs::tools::source_find_source(::streamfx::obs::source haystack, ::streamfx::obs::source needle)
{
__sfs_data cbd = {};
try {
__source_find_source_enumerate(haystack.get(), &cbd);
} catch (...) {
}
for (auto weak_source : cbd.sources) {
if (!weak_source)
continue;
if (weak_source == needle)
return true;
}
return false;
}