From 07a64ffd954b4273bd6afc7fa03b284c3dced640 Mon Sep 17 00:00:00 2001
From: dec05eba <dec05eba@protonmail.com>
Date: Tue, 5 Nov 2024 00:17:03 +0100
Subject: Add replay ram usage estimation

---
 src/gui/Entry.cpp        |  2 ++
 src/gui/Label.cpp        |  4 ++++
 src/gui/SettingsPage.cpp | 40 +++++++++++++++++++++++++++++++++++-----
 3 files changed, 41 insertions(+), 5 deletions(-)

(limited to 'src/gui')

diff --git a/src/gui/Entry.cpp b/src/gui/Entry.cpp
index 4f318ec..9a3fccf 100644
--- a/src/gui/Entry.cpp
+++ b/src/gui/Entry.cpp
@@ -89,6 +89,8 @@ namespace gsr {
         if(!validate_handler || validate_handler(str)) {
             text.set_string(std::move(str));
             caret_offset_x = text.find_character_pos(99999).x - this->text.get_position().x;
+            if(on_changed)
+                on_changed(text.get_string());
         }
     }
 
diff --git a/src/gui/Label.cpp b/src/gui/Label.cpp
index 09fd1a6..22a302f 100644
--- a/src/gui/Label.cpp
+++ b/src/gui/Label.cpp
@@ -18,6 +18,10 @@ namespace gsr {
         window.draw(text);
     }
 
+    void Label::set_text(std::string str) {
+        text.set_string(std::move(str));
+    }
+
     mgl::vec2f Label::get_size() {
         if(!visible)
             return {0.0f, 0.0f};
diff --git a/src/gui/SettingsPage.cpp b/src/gui/SettingsPage.cpp
index eb9523d..94c33fd 100644
--- a/src/gui/SettingsPage.cpp
+++ b/src/gui/SettingsPage.cpp
@@ -449,8 +449,11 @@ namespace gsr {
             (void)text;
             const bool custom_selected = id == "custom";
             video_bitrate_list_ptr->set_visible(custom_selected);
+
+            if(estimated_file_size_ptr)
+                estimated_file_size_ptr->set_visible(custom_selected);
         };
-        video_quality_box_ptr->on_selection_changed("Very high", "very_high");
+        video_quality_box_ptr->on_selection_changed("", video_quality_box_ptr->get_selected_id());
 
         if(!gsr_info.supported_capture_options.monitors.empty())
             record_area_box_ptr->set_selected_item(gsr_info.supported_capture_options.monitors.front().name);
@@ -545,11 +548,30 @@ namespace gsr {
         return checkbox;
     }
 
+    std::unique_ptr<Label> SettingsPage::create_estimated_file_size() {
+        auto label = std::make_unique<Label>(&get_theme().body_font, "Estimated video max file size in RAM: 5.23MB", get_color_theme().text_color);
+        estimated_file_size_ptr = label.get();
+        return label;
+    }
+
+    void SettingsPage::update_estimated_file_size() {
+        const int64_t replay_time_seconds = atoi(replay_time_entry_ptr->get_text().c_str());
+        const int64_t video_bitrate_bps = atoi(video_bitrate_entry_ptr->get_text().c_str()) * 1000LL;
+        const double video_filesize_mb = ((double)replay_time_seconds * (double)video_bitrate_bps) / 1024.0 / 1024.0 / 3.3333; // Why 3.3333?
+
+        char buffer[512];
+        snprintf(buffer, sizeof(buffer), "Estimated video max file size in RAM: %.2fMB", video_filesize_mb);
+        estimated_file_size_ptr->set_text(buffer);
+    }
+
     void SettingsPage::add_replay_widgets() {
-        auto file_info_list = std::make_unique<List>(List::Orientation::HORIZONTAL);
-        file_info_list->add_widget(create_save_directory("Directory to save replays:"));
-        file_info_list->add_widget(create_container_section());
-        file_info_list->add_widget(create_replay_time());
+        auto file_info_list = std::make_unique<List>(List::Orientation::VERTICAL);
+        auto file_info_data_list = std::make_unique<List>(List::Orientation::HORIZONTAL);
+        file_info_data_list->add_widget(create_save_directory("Directory to save replays:"));
+        file_info_data_list->add_widget(create_container_section());
+        file_info_data_list->add_widget(create_replay_time());
+        file_info_list->add_widget(std::move(file_info_data_list));
+        file_info_list->add_widget(create_estimated_file_size());
         settings_list_ptr->add_widget(std::make_unique<Subsection>("File info", std::move(file_info_list), mgl::vec2f(settings_scrollable_page_ptr->get_inner_size().x, 0.0f)));
 
         auto general_list = std::make_unique<List>(List::Orientation::VERTICAL);
@@ -589,6 +611,14 @@ namespace gsr {
             settings_scrollable_page_ptr->reset_scroll();
         };
         view_radio_button_ptr->on_selection_changed("Simple", "simple");
+
+        replay_time_entry_ptr->on_changed = [this](const std::string&) {
+            update_estimated_file_size();
+        };
+
+        video_bitrate_entry_ptr->on_changed = [this](const std::string&) {
+            update_estimated_file_size();
+        };
     }
 
     std::unique_ptr<CheckBox> SettingsPage::create_save_recording_in_game_folder() {
-- 
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