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utils: Reserve vector capacity where possible

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Slight optimization for iteration
This commit is contained in:
tt2468 2022-03-01 14:48:10 -08:00
parent 4440327141
commit 71a32c981c
1 changed files with 4 additions and 0 deletions
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4
src/utils/Obs_ArrayHelper.cpp
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@ -88,6 +88,7 @@ std::vector<json> Utils::Obs::ArrayHelper::GetSceneList()
obs_frontend_get_scenes(&sceneList); obs_frontend_get_scenes(&sceneList);
std::vector<json> ret; std::vector<json> ret;
ret.reserve(sceneList.sources.num);
for (size_t i = 0; i < sceneList.sources.num; i++) { for (size_t i = 0; i < sceneList.sources.num; i++) {
obs_source_t *scene = sceneList.sources.array[i]; obs_source_t *scene = sceneList.sources.array[i];
@ -225,6 +226,8 @@ std::vector<json> Utils::Obs::ArrayHelper::GetListPropertyItems(obs_property_t *
enum obs_combo_format itemFormat = obs_property_list_format(property); enum obs_combo_format itemFormat = obs_property_list_format(property);
size_t itemCount = obs_property_list_item_count(property); size_t itemCount = obs_property_list_item_count(property);
ret.reserve(itemCount);
for (size_t i = 0; i < itemCount; i++) { for (size_t i = 0; i < itemCount; i++) {
json itemData; json itemData;
itemData["itemName"] = obs_property_list_item_name(property, i); itemData["itemName"] = obs_property_list_item_name(property, i);
@ -262,6 +265,7 @@ std::vector<json> Utils::Obs::ArrayHelper::GetSceneTransitionList()
obs_frontend_get_transitions(&transitionList); obs_frontend_get_transitions(&transitionList);
std::vector<json> ret; std::vector<json> ret;
ret.reserve(transitionList.sources.num);
for (size_t i = 0; i < transitionList.sources.num; i++) { for (size_t i = 0; i < transitionList.sources.num; i++) {
obs_source_t *transition = transitionList.sources.array[i]; obs_source_t *transition = transitionList.sources.array[i];
json transitionJson; json transitionJson;