From f3565fdd77fb480575feec5de252466b093daf86 Mon Sep 17 00:00:00 2001
From: dec05eba <dec05eba@protonmail.com>
Date: Sun, 8 Dec 2024 14:32:11 +0100
Subject: Query capture options when opening settings and validate capture
 options when starting recording

---
 README.md                    |   4 +-
 TODO                         |   4 +-
 depends/mglpp                |   2 +-
 include/Config.hpp           |   6 +-
 include/GsrInfo.hpp          |   3 +-
 include/Overlay.hpp          |   2 +-
 include/gui/SettingsPage.hpp |  46 +++++++-------
 src/Config.cpp               |  14 ++---
 src/GsrInfo.cpp              | 109 ++++++++++++++++++++++-----------
 src/Overlay.cpp              |  55 ++++++++++++++---
 src/gui/SettingsPage.cpp     | 140 ++++++++++++++++++++++---------------------
 src/main.cpp                 |  11 ++--
 12 files changed, 243 insertions(+), 153 deletions(-)

diff --git a/README.md b/README.md
index ce0117a..6c5ff1c 100644
--- a/README.md
+++ b/README.md
@@ -27,6 +27,8 @@ These are the dependencies needed to build GPU Screen Recorder UI:
 * libxkbcommon
 
 ## Runtime dependencies
+There are also additional dependencies needed at runtime:
+
 * [GPU Screen Recorder](https://git.dec05eba.com/gpu-screen-recorder/)
 * [GPU Screen Recorder Notification](https://git.dec05eba.com/gpu-screen-recorder-notification/)
 
@@ -47,4 +49,4 @@ If you want to donate you can donate via bitcoin or monero.
 
 # Known issues
 * Some games receive mouse input while the UI is open
-* Global hotkeys on Wayland can clash with keys used by other applications. This is primarly because Wayland compositors are missing support for global hotkey so this software uses a global hotkey system that works on all Wayland compositors.
\ No newline at end of file
+* Global hotkeys on Wayland can clash with keys used by other applications. This is primarly because Wayland compositors are missing support for global hotkey so this software uses a global hotkey system that works on all Wayland compositors.
diff --git a/TODO b/TODO
index e70013e..d7bcd58 100644
--- a/TODO
+++ b/TODO
@@ -66,7 +66,7 @@ Make save-video-in-game-folder.sh and notify-saved-name.sh run ~/.config/gpu-scr
     if the profile is called 4chan.
     Create a directory of such example scripts, including 4chan webm one.
 
-On nvidia check if suspend fix is applied. If not, show a popup asking the user to apply it (and apply it automatically).
+On nvidia check if suspend fix is applied. If not, show a popup asking the user to apply it (and apply it automatically). This is a requirement before this package is made to a flatpak.
 
 Show warning when using steam deck or when trying to capture hevc/av1 on amd (the same warnings as gpu screen recorder gtk).
 
@@ -103,4 +103,4 @@ Dont allow autostart of replay if capture option is window recording (when windo
 
 Use global shortcuts desktop portal protocol on wayland when available.
 
-Use `gpu-screen-recorder --list-capture-options` instead of gsr_info.supported_capture_options.monitors and update it everytime when opening setting page and when starting recording.
\ No newline at end of file
+When support for window capture is enabled on x11 then make sure to not save the window except temporary while the program is open.
\ No newline at end of file
diff --git a/depends/mglpp b/depends/mglpp
index 4dbee5a..0c8ccb8 160000
--- a/depends/mglpp
+++ b/depends/mglpp
@@ -1 +1 @@
-Subproject commit 4dbee5ac57c10819ff8d06560be573ad3a3e4e05
+Subproject commit 0c8ccb86a55e9b5b98ab68ca538ad7374308bae8
diff --git a/include/Config.hpp b/include/Config.hpp
index 6044ab8..02f1634 100644
--- a/include/Config.hpp
+++ b/include/Config.hpp
@@ -7,7 +7,7 @@
 #include <optional>
 
 namespace gsr {
-    struct GsrInfo;
+    struct SupportedCaptureOptions;
 
     struct ConfigHotkey {
         int64_t keysym = 0;
@@ -92,7 +92,7 @@ namespace gsr {
     };
 
     struct Config {
-        Config(const GsrInfo &gsr_info);
+        Config(const SupportedCaptureOptions &capture_options);
 
         MainConfig main_config;
         StreamingConfig streaming_config;
@@ -100,6 +100,6 @@ namespace gsr {
         ReplayConfig replay_config;
     };
 
-    std::optional<Config> read_config(const GsrInfo &gsr_info);
+    std::optional<Config> read_config(const SupportedCaptureOptions &capture_options);
     void save_config(Config &config);
 }
\ No newline at end of file
diff --git a/include/GsrInfo.hpp b/include/GsrInfo.hpp
index cd6292c..6ec8e23 100644
--- a/include/GsrInfo.hpp
+++ b/include/GsrInfo.hpp
@@ -52,13 +52,13 @@ namespace gsr {
 
     struct GpuInfo {
         GpuVendor vendor = GpuVendor::UNKNOWN;
+        std::string card_path;
     };
 
     struct GsrInfo {
         SystemInfo system_info;
         GpuInfo gpu_info;
         SupportedVideoCodecs supported_video_codecs;
-        SupportedCaptureOptions supported_capture_options;
     };
 
     enum class GsrInfoExitStatus {
@@ -78,4 +78,5 @@ namespace gsr {
 
     std::vector<AudioDevice> get_audio_devices();
     std::vector<std::string> get_application_audio();
+    SupportedCaptureOptions get_supported_capture_options(const GsrInfo &gsr_info);
 }
\ No newline at end of file
diff --git a/include/Overlay.hpp b/include/Overlay.hpp
index 0a4a1e9..283f2b1 100644
--- a/include/Overlay.hpp
+++ b/include/Overlay.hpp
@@ -36,7 +36,7 @@ namespace gsr {
 
     class Overlay {
     public:
-        Overlay(std::string resources_path, GsrInfo gsr_info, egl_functions egl_funcs);
+        Overlay(std::string resources_path, GsrInfo gsr_info, SupportedCaptureOptions capture_options, egl_functions egl_funcs);
         Overlay(const Overlay&) = delete;
         Overlay& operator=(const Overlay&) = delete;
         ~Overlay();
diff --git a/include/gui/SettingsPage.hpp b/include/gui/SettingsPage.hpp
index f18ff65..b115d78 100644
--- a/include/gui/SettingsPage.hpp
+++ b/include/gui/SettingsPage.hpp
@@ -25,17 +25,17 @@ namespace gsr {
             STREAM
         };
 
-        SettingsPage(Type type, const GsrInfo &gsr_info, Config &config, PageStack *page_stack);
+        SettingsPage(Type type, const GsrInfo *gsr_info, Config &config, PageStack *page_stack);
         SettingsPage(const SettingsPage&) = delete;
         SettingsPage& operator=(const SettingsPage&) = delete;
 
-        void load(const GsrInfo &gsr_info);
+        void load();
         void save();
         void on_navigate_away_from_page() override;
     private:
         std::unique_ptr<RadioButton> create_view_radio_button();
-        std::unique_ptr<ComboBox> create_record_area_box(const GsrInfo &gsr_info);
-        std::unique_ptr<Widget> create_record_area(const GsrInfo &gsr_info);
+        std::unique_ptr<ComboBox> create_record_area_box();
+        std::unique_ptr<Widget> create_record_area();
         std::unique_ptr<List> create_select_window();
         std::unique_ptr<Entry> create_area_width_entry();
         std::unique_ptr<Entry> create_area_height_entry();
@@ -48,7 +48,7 @@ namespace gsr {
         std::unique_ptr<CheckBox> create_restore_portal_session_checkbox();
         std::unique_ptr<List> create_restore_portal_session_section();
         std::unique_ptr<Widget> create_change_video_resolution_section();
-        std::unique_ptr<Widget> create_capture_target(const GsrInfo &gsr_info);
+        std::unique_ptr<Widget> create_capture_target();
         std::unique_ptr<ComboBox> create_audio_device_selection_combobox();
         std::unique_ptr<Button> create_remove_audio_device_button(List *audio_device_list_ptr);
         std::unique_ptr<List> create_audio_device();
@@ -70,8 +70,8 @@ namespace gsr {
         std::unique_ptr<ComboBox> create_color_range_box();
         std::unique_ptr<List> create_color_range();
         std::unique_ptr<List> create_video_quality_section();
-        std::unique_ptr<ComboBox> create_video_codec_box(const GsrInfo &gsr_info);
-        std::unique_ptr<List> create_video_codec(const GsrInfo &gsr_info);
+        std::unique_ptr<ComboBox> create_video_codec_box();
+        std::unique_ptr<List> create_video_codec();
         std::unique_ptr<ComboBox> create_audio_codec_box();
         std::unique_ptr<List> create_audio_codec();
         std::unique_ptr<Entry> create_framerate_entry();
@@ -80,24 +80,24 @@ namespace gsr {
         std::unique_ptr<List> create_framerate_mode();
         std::unique_ptr<List> create_framerate_section();
         std::unique_ptr<Widget> create_record_cursor_section();
-        std::unique_ptr<Widget> create_video_section(const GsrInfo &gsr_info);
-        std::unique_ptr<Widget> create_settings(const GsrInfo &gsr_info);
-        void add_widgets(const GsrInfo &gsr_info);
+        std::unique_ptr<Widget> create_video_section();
+        std::unique_ptr<Widget> create_settings();
+        void add_widgets();
 
-        void add_page_specific_widgets(const GsrInfo &gsr_info);
+        void add_page_specific_widgets();
 
         std::unique_ptr<List> create_save_directory(const char *label);
         std::unique_ptr<ComboBox> create_container_box();
         std::unique_ptr<List> create_container_section();
         std::unique_ptr<Entry> create_replay_time_entry();
         std::unique_ptr<List> create_replay_time();
-        std::unique_ptr<RadioButton> create_start_replay_automatically(const GsrInfo &gsr_info);
-        std::unique_ptr<CheckBox> create_save_replay_in_game_folder(const GsrInfo &gsr_info);
+        std::unique_ptr<RadioButton> create_start_replay_automatically();
+        std::unique_ptr<CheckBox> create_save_replay_in_game_folder();
         std::unique_ptr<Label> create_estimated_file_size();
         void update_estimated_file_size();
-        std::unique_ptr<CheckBox> create_save_recording_in_game_folder(const GsrInfo &gsr_info);
-        void add_replay_widgets(const GsrInfo &gsr_info);
-        void add_record_widgets(const GsrInfo &gsr_info);
+        std::unique_ptr<CheckBox> create_save_recording_in_game_folder();
+        void add_replay_widgets();
+        void add_record_widgets();
 
         std::unique_ptr<ComboBox> create_streaming_service_box();
         std::unique_ptr<List> create_streaming_service_section();
@@ -105,13 +105,13 @@ namespace gsr {
         std::unique_ptr<List> create_stream_url_section();
         std::unique_ptr<ComboBox> create_stream_container_box();
         std::unique_ptr<List> create_stream_container_section();
-        void add_stream_widgets(const GsrInfo &gsr_info);
+        void add_stream_widgets();
 
-        void load_audio_tracks(const RecordOptions &record_options, const GsrInfo &gsr_info);
-        void load_common(RecordOptions &record_options, const GsrInfo &gsr_info);
-        void load_replay(const GsrInfo &gsr_info);
-        void load_record(const GsrInfo &gsr_info);
-        void load_stream(const GsrInfo &gsr_info);
+        void load_audio_tracks(const RecordOptions &record_options);
+        void load_common(RecordOptions &record_options);
+        void load_replay();
+        void load_record();
+        void load_stream();
 
         void save_common(RecordOptions &record_options);
         void save_replay();
@@ -120,8 +120,10 @@ namespace gsr {
     private:
         Type type;
         Config &config;
+        const GsrInfo *gsr_info = nullptr;
         std::vector<AudioDevice> audio_devices;
         std::vector<std::string> application_audio;
+        SupportedCaptureOptions capture_options;
 
         GsrPage *content_page_ptr = nullptr;
         ScrollablePage *settings_scrollable_page_ptr = nullptr;
diff --git a/src/Config.cpp b/src/Config.cpp
index 112688a..2263df7 100644
--- a/src/Config.cpp
+++ b/src/Config.cpp
@@ -13,7 +13,7 @@
 #define CONFIG_FILE_VERSION 1
 
 namespace gsr {
-    Config::Config(const GsrInfo &gsr_info) {
+    Config::Config(const SupportedCaptureOptions &capture_options) {
         const std::string default_save_directory = get_videos_dir();
 
         streaming_config.record_options.video_quality = "custom";
@@ -29,10 +29,10 @@ namespace gsr {
         replay_config.record_options.audio_tracks.push_back("default_output");
         replay_config.record_options.video_bitrate = 45000;
 
-        if(!gsr_info.supported_capture_options.monitors.empty()) {
-            streaming_config.record_options.record_area_option = gsr_info.supported_capture_options.monitors.front().name;
-            record_config.record_options.record_area_option = gsr_info.supported_capture_options.monitors.front().name;
-            replay_config.record_options.record_area_option = gsr_info.supported_capture_options.monitors.front().name;
+        if(!capture_options.monitors.empty()) {
+            streaming_config.record_options.record_area_option = capture_options.monitors.front().name;
+            record_config.record_options.record_area_option = capture_options.monitors.front().name;
+            replay_config.record_options.record_area_option = capture_options.monitors.front().name;
         }
     }
 
@@ -140,7 +140,7 @@ namespace gsr {
         };
     }
 
-    std::optional<Config> read_config(const GsrInfo &gsr_info) {
+    std::optional<Config> read_config(const SupportedCaptureOptions &capture_options) {
         std::optional<Config> config;
 
         const std::string config_path = get_config_dir() + "/config_ui";
@@ -150,7 +150,7 @@ namespace gsr {
             return config;
         }
 
-        config = Config(gsr_info);
+        config = Config(capture_options);
         config->streaming_config.record_options.audio_tracks.clear();
         config->record_config.record_options.audio_tracks.clear();
         config->replay_config.record_options.audio_tracks.clear();
diff --git a/src/GsrInfo.cpp b/src/GsrInfo.cpp
index 276870b..a55c354 100644
--- a/src/GsrInfo.cpp
+++ b/src/GsrInfo.cpp
@@ -38,6 +38,8 @@ namespace gsr {
                 gsr_info->gpu_info.vendor = GpuVendor::INTEL;
             else if(key_value->value == "nvidia")
                 gsr_info->gpu_info.vendor = GpuVendor::NVIDIA;
+        } else if(key_value->key == "card_path") {
+            gsr_info->gpu_info.card_path = key_value->value;
         }
     }
 
@@ -64,38 +66,6 @@ namespace gsr {
             gsr_info->supported_video_codecs.vp9 = true;
     }
 
-    static std::optional<GsrMonitor> capture_option_line_to_monitor(std::string_view line) {
-        std::optional<GsrMonitor> monitor;
-        const std::optional<KeyValue> key_value = parse_key_value(line);
-        if(!key_value)
-            return monitor;
-
-        char value_buffer[256];
-        snprintf(value_buffer, sizeof(value_buffer), "%.*s", (int)key_value->value.size(), key_value->value.data());
-
-        monitor = GsrMonitor{std::string(key_value->key), mgl::vec2i{0, 0}};
-        if(sscanf(value_buffer, "%dx%d", &monitor->size.x, &monitor->size.y) != 2)
-            monitor->size = {0, 0};
-
-        return monitor;
-    }
-
-    static void parse_capture_options_line(GsrInfo *gsr_info, std::string_view line) {
-        if(line == "window")
-            gsr_info->supported_capture_options.window = true;
-        else if(line == "focused")
-            gsr_info->supported_capture_options.focused = true;
-        else if(line == "screen")
-            gsr_info->supported_capture_options.screen = true;
-        else if(line == "portal")
-            gsr_info->supported_capture_options.portal = true;
-        else {
-            std::optional<GsrMonitor> monitor = capture_option_line_to_monitor(line);
-            if(monitor)
-                gsr_info->supported_capture_options.monitors.push_back(std::move(monitor.value()));
-        }
-    }
-
     enum class GsrInfoSection {
         UNKNOWN,
         SYSTEM_INFO,
@@ -161,7 +131,7 @@ namespace gsr {
                     break;
                 }
                 case GsrInfoSection::CAPTURE_OPTIONS: {
-                    parse_capture_options_line(gsr_info, line);
+                    // Intentionally ignore, get capture options with get_supported_capture_options instead
                     break;
                 }
             }
@@ -230,7 +200,7 @@ namespace gsr {
             return application_audio;
         }
 
-        char output[16384];
+        char output[8192];
         ssize_t bytes_read = fread(output, 1, sizeof(output) - 1, f);
         if(bytes_read < 0 || ferror(f)) {
             fprintf(stderr, "error: failed to read 'gpu-screen-recorder --list-application-audio' output\n");
@@ -246,4 +216,75 @@ namespace gsr {
 
         return application_audio;
     }
+
+    static std::optional<GsrMonitor> capture_option_line_to_monitor(std::string_view line) {
+        std::optional<GsrMonitor> monitor;
+        const std::optional<KeyValue> key_value = parse_key_value(line);
+        if(!key_value)
+            return monitor;
+
+        char value_buffer[256];
+        snprintf(value_buffer, sizeof(value_buffer), "%.*s", (int)key_value->value.size(), key_value->value.data());
+
+        monitor = GsrMonitor{std::string(key_value->key), mgl::vec2i{0, 0}};
+        if(sscanf(value_buffer, "%dx%d", &monitor->size.x, &monitor->size.y) != 2)
+            monitor->size = {0, 0};
+
+        return monitor;
+    }
+
+    static void parse_capture_options_line(SupportedCaptureOptions &capture_options, std::string_view line) {
+        if(line == "window")
+            capture_options.window = true;
+        else if(line == "focused")
+            capture_options.focused = true;
+        else if(line == "screen")
+            capture_options.screen = true;
+        else if(line == "portal")
+            capture_options.portal = true;
+        else {
+            std::optional<GsrMonitor> monitor = capture_option_line_to_monitor(line);
+            if(monitor)
+                capture_options.monitors.push_back(std::move(monitor.value()));
+        }
+    }
+
+    static const char* gpu_vendor_to_string(GpuVendor vendor) {
+        switch(vendor) {
+            case GpuVendor::UNKNOWN: return "unknown";
+            case GpuVendor::AMD:     return "amd";
+            case GpuVendor::INTEL:   return "intel";
+            case GpuVendor::NVIDIA:  return "nvidia";
+        }
+        return "unknown";
+    }
+
+    SupportedCaptureOptions get_supported_capture_options(const GsrInfo &gsr_info) {
+        SupportedCaptureOptions capture_options;
+
+        char command[512];
+        snprintf(command, sizeof(command), "gpu-screen-recorder --list-capture-options %s %s", gsr_info.gpu_info.card_path.c_str(), gpu_vendor_to_string(gsr_info.gpu_info.vendor));
+
+        FILE *f = popen(command, "r");
+        if(!f) {
+            fprintf(stderr, "error: 'gpu-screen-recorder --list-capture-options' failed\n");
+            return capture_options;
+        }
+
+        char output[8192];
+        ssize_t bytes_read = fread(output, 1, sizeof(output) - 1, f);
+        if(bytes_read < 0 || ferror(f)) {
+            fprintf(stderr, "error: failed to read 'gpu-screen-recorder --list-capture-options' output\n");
+            pclose(f);
+            return capture_options;
+        }
+        output[bytes_read] = '\0';
+
+        string_split_char({output, (size_t)bytes_read}, '\n', [&](std::string_view line) {
+            parse_capture_options_line(capture_options, line);
+            return true;
+        });
+
+        return capture_options;
+    }
 }
diff --git a/src/Overlay.cpp b/src/Overlay.cpp
index 9806561..555c1d4 100644
--- a/src/Overlay.cpp
+++ b/src/Overlay.cpp
@@ -393,11 +393,11 @@ namespace gsr {
         return true;
     }
 
-    Overlay::Overlay(std::string resources_path, GsrInfo gsr_info, egl_functions egl_funcs) :
+    Overlay::Overlay(std::string resources_path, GsrInfo gsr_info, SupportedCaptureOptions capture_options, egl_functions egl_funcs) :
         resources_path(std::move(resources_path)),
-        gsr_info(gsr_info),
+        gsr_info(std::move(gsr_info)),
         egl_funcs(egl_funcs),
-        config(gsr_info),
+        config(capture_options),
         bg_screenshot_overlay({0.0f, 0.0f}),
         top_bar_background({0.0f, 0.0f}),
         close_button_widget({0.0f, 0.0f})
@@ -416,11 +416,11 @@ namespace gsr {
 
         memset(&window_texture, 0, sizeof(window_texture));
 
-        std::optional<Config> new_config = read_config(gsr_info);
+        std::optional<Config> new_config = read_config(capture_options);
         if(new_config)
             config = std::move(new_config.value());
 
-        init_color_theme(gsr_info);
+        init_color_theme(this->gsr_info);
 
         power_supply_online_filepath = get_power_supply_online_filepath();
 
@@ -875,7 +875,7 @@ namespace gsr {
             button->set_item_icon("save", &get_theme().save_texture);
             button->on_click = [this](const std::string &id) {
                 if(id == "settings") {
-                    auto replay_settings_page = std::make_unique<SettingsPage>(SettingsPage::Type::REPLAY, gsr_info, config, &page_stack);
+                    auto replay_settings_page = std::make_unique<SettingsPage>(SettingsPage::Type::REPLAY, &gsr_info, config, &page_stack);
                     page_stack.push(std::move(replay_settings_page));
                 } else if(id == "save") {
                     on_press_save_replay();
@@ -896,7 +896,7 @@ namespace gsr {
             button->set_item_icon("pause", &get_theme().pause_texture);
             button->on_click = [this](const std::string &id) {
                 if(id == "settings") {
-                    auto record_settings_page = std::make_unique<SettingsPage>(SettingsPage::Type::RECORD, gsr_info, config, &page_stack);
+                    auto record_settings_page = std::make_unique<SettingsPage>(SettingsPage::Type::RECORD, &gsr_info, config, &page_stack);
                     page_stack.push(std::move(record_settings_page));
                 } else if(id == "pause") {
                     toggle_pause();
@@ -915,7 +915,7 @@ namespace gsr {
             button->set_item_icon("start", &get_theme().play_texture);
             button->on_click = [this](const std::string &id) {
                 if(id == "settings") {
-                    auto stream_settings_page = std::make_unique<SettingsPage>(SettingsPage::Type::STREAM, gsr_info, config, &page_stack);
+                    auto stream_settings_page = std::make_unique<SettingsPage>(SettingsPage::Type::STREAM, &gsr_info, config, &page_stack);
                     page_stack.push(std::move(stream_settings_page));
                 } else if(id == "start") {
                     on_press_start_stream();
@@ -1525,6 +1525,24 @@ namespace gsr {
         }
     }
 
+    static bool validate_capture_target(const GsrInfo &gsr_info, const std::string &capture_target) {
+        const SupportedCaptureOptions capture_options = get_supported_capture_options(gsr_info);
+        // TODO: Also check x11 window when enabled (check if capture_target is a decminal/hex number)
+        if(capture_target == "focused" && !capture_options.focused) {
+            return false;
+        } else if(capture_target == "screen" && !capture_options.screen) {
+            return false;
+        } else if(capture_target == "portal" && !capture_options.portal) {
+            return false;
+        } else {
+            for(const GsrMonitor &monitor : capture_options.monitors) {
+                if(capture_target == monitor.name)
+                    return true;
+            }
+            return false;
+        }
+    }
+
     void Overlay::on_press_save_replay() {
         if(recording_status != RecordingStatus::REPLAY || gpu_screen_recorder_process <= 0)
             return;
@@ -1570,6 +1588,13 @@ namespace gsr {
             return;
         }
 
+        if(!validate_capture_target(gsr_info, config.replay_config.record_options.record_area_option)) {
+            char err_msg[256];
+            snprintf(err_msg, sizeof(err_msg), "Failed to start replay, capture target \"%s\" is invalid. Please change capture target in settings", config.replay_config.record_options.record_area_option.c_str());
+            show_notification(err_msg, 3.0, mgl::Color(255, 0, 0, 0), mgl::Color(255, 0, 0, 0), NotificationType::REPLAY);
+            return;
+        }
+
         // TODO: Validate input, fallback to valid values
         const std::string fps = std::to_string(config.replay_config.record_options.fps);
         const std::string video_bitrate = std::to_string(config.replay_config.record_options.video_bitrate);
@@ -1677,6 +1702,13 @@ namespace gsr {
             return;
         }
 
+        if(!validate_capture_target(gsr_info, config.record_config.record_options.record_area_option)) {
+            char err_msg[256];
+            snprintf(err_msg, sizeof(err_msg), "Failed to start recording, capture target \"%s\" is invalid. Please change capture target in settings", config.record_config.record_options.record_area_option.c_str());
+            show_notification(err_msg, 3.0, mgl::Color(255, 0, 0, 0), mgl::Color(255, 0, 0, 0), NotificationType::RECORD);
+            return;
+        }
+
         record_filepath.clear();
 
         // TODO: Validate input, fallback to valid values
@@ -1806,6 +1838,13 @@ namespace gsr {
             return;
         }
 
+        if(!validate_capture_target(gsr_info, config.streaming_config.record_options.record_area_option)) {
+            char err_msg[256];
+            snprintf(err_msg, sizeof(err_msg), "Failed to start streaming, capture target \"%s\" is invalid. Please change capture target in settings", config.streaming_config.record_options.record_area_option.c_str());
+            show_notification(err_msg, 3.0, mgl::Color(255, 0, 0, 0), mgl::Color(255, 0, 0, 0), NotificationType::STREAM);
+            return;
+        }
+
         // TODO: Validate input, fallback to valid values
         const std::string fps = std::to_string(config.streaming_config.record_options.fps);
         const std::string video_bitrate = std::to_string(config.streaming_config.record_options.video_bitrate);
diff --git a/src/gui/SettingsPage.cpp b/src/gui/SettingsPage.cpp
index 79f6c52..39ac4df 100644
--- a/src/gui/SettingsPage.cpp
+++ b/src/gui/SettingsPage.cpp
@@ -22,15 +22,17 @@ namespace gsr {
         APPLICATION_CUSTOM
     };
 
-    SettingsPage::SettingsPage(Type type, const GsrInfo &gsr_info, Config &config, PageStack *page_stack) :
+    SettingsPage::SettingsPage(Type type, const GsrInfo *gsr_info, Config &config, PageStack *page_stack) :
         StaticPage(mgl::vec2f(get_theme().window_width, get_theme().window_height).floor()),
         type(type),
         config(config),
+        gsr_info(gsr_info),
         page_stack(page_stack),
         settings_title_text("Settings", get_theme().title_font)
     {
         audio_devices = get_audio_devices();
         application_audio = get_application_audio();
+        capture_options = get_supported_capture_options(*gsr_info);
 
         auto content_page = std::make_unique<GsrPage>();
         content_page->add_button("Back", "back", get_color_theme().page_bg_color);
@@ -41,9 +43,9 @@ namespace gsr {
         content_page_ptr = content_page.get();
         add_widget(std::move(content_page));
 
-        add_widgets(gsr_info);
-        add_page_specific_widgets(gsr_info);
-        load(gsr_info);
+        add_widgets();
+        add_page_specific_widgets();
+        load();
     }
 
     std::unique_ptr<RadioButton> SettingsPage::create_view_radio_button() {
@@ -55,31 +57,31 @@ namespace gsr {
         return view_radio_button;
     }
 
-    std::unique_ptr<ComboBox> SettingsPage::create_record_area_box(const GsrInfo &gsr_info) {
+    std::unique_ptr<ComboBox> SettingsPage::create_record_area_box() {
         auto record_area_box = std::make_unique<ComboBox>(&get_theme().body_font);
         // TODO: Show options not supported but disable them
         // TODO: Enable this
-        //if(gsr_info.supported_capture_options.window)
+        //if(capture_options.window)
         //    record_area_box->add_item("Window", "window");
-        if(gsr_info.supported_capture_options.focused)
+        if(capture_options.focused)
             record_area_box->add_item("Follow focused window", "focused");
-        if(gsr_info.supported_capture_options.screen)
+        if(capture_options.screen)
             record_area_box->add_item("All monitors", "screen");
-        for(const auto &monitor : gsr_info.supported_capture_options.monitors) {
+        for(const auto &monitor : capture_options.monitors) {
             char name[256];
             snprintf(name, sizeof(name), "Monitor %s (%dx%d)", monitor.name.c_str(), monitor.size.x, monitor.size.y);
             record_area_box->add_item(name, monitor.name);
         }
-        if(gsr_info.supported_capture_options.portal)
+        if(capture_options.portal)
             record_area_box->add_item("Desktop portal", "portal");
         record_area_box_ptr = record_area_box.get();
         return record_area_box;
     }
 
-    std::unique_ptr<Widget> SettingsPage::create_record_area(const GsrInfo &gsr_info) {
+    std::unique_ptr<Widget> SettingsPage::create_record_area() {
         auto record_area_list = std::make_unique<List>(List::Orientation::VERTICAL);
         record_area_list->add_widget(std::make_unique<Label>(&get_theme().body_font, "Capture target:", get_color_theme().text_color));
-        record_area_list->add_widget(create_record_area_box(gsr_info));
+        record_area_list->add_widget(create_record_area_box());
         return record_area_list;
     }
 
@@ -172,11 +174,11 @@ namespace gsr {
         return checkbox;
     }
 
-    std::unique_ptr<Widget> SettingsPage::create_capture_target(const GsrInfo &gsr_info) {
+    std::unique_ptr<Widget> SettingsPage::create_capture_target() {
         auto ll = std::make_unique<List>(List::Orientation::VERTICAL);
 
         auto capture_target_list = std::make_unique<List>(List::Orientation::HORIZONTAL, List::Alignment::CENTER);
-        capture_target_list->add_widget(create_record_area(gsr_info));
+        capture_target_list->add_widget(create_record_area());
         capture_target_list->add_widget(create_select_window());
         capture_target_list->add_widget(create_area_size_section());
         capture_target_list->add_widget(create_video_resolution_section());
@@ -378,40 +380,40 @@ namespace gsr {
         return quality_list;
     }
 
-    std::unique_ptr<ComboBox> SettingsPage::create_video_codec_box(const GsrInfo &gsr_info) {
+    std::unique_ptr<ComboBox> SettingsPage::create_video_codec_box() {
         auto video_codec_box = std::make_unique<ComboBox>(&get_theme().body_font);
         // TODO: Show options not supported but disable them.
         // TODO: Show error if no encoders are supported.
         // TODO: Show warning (once) if only software encoder is available.
         video_codec_box->add_item("Auto (Recommended)", "auto");
-        if(gsr_info.supported_video_codecs.h264)
+        if(gsr_info->supported_video_codecs.h264)
             video_codec_box->add_item("H264", "h264");
-        if(gsr_info.supported_video_codecs.hevc)
+        if(gsr_info->supported_video_codecs.hevc)
             video_codec_box->add_item("HEVC", "hevc");
-        if(gsr_info.supported_video_codecs.av1)
+        if(gsr_info->supported_video_codecs.av1)
             video_codec_box->add_item("AV1", "av1");
-        if(gsr_info.supported_video_codecs.vp8)
+        if(gsr_info->supported_video_codecs.vp8)
             video_codec_box->add_item("VP8", "vp8");
-        if(gsr_info.supported_video_codecs.vp9)
+        if(gsr_info->supported_video_codecs.vp9)
             video_codec_box->add_item("VP9", "vp9");
-        if(gsr_info.supported_video_codecs.hevc_hdr)
+        if(gsr_info->supported_video_codecs.hevc_hdr)
             video_codec_box->add_item("HEVC (HDR)", "hevc_hdr");
-        if(gsr_info.supported_video_codecs.hevc_10bit)
+        if(gsr_info->supported_video_codecs.hevc_10bit)
             video_codec_box->add_item("HEVC (10 bit, reduces banding)", "hevc_10bit");
-        if(gsr_info.supported_video_codecs.av1_hdr)
+        if(gsr_info->supported_video_codecs.av1_hdr)
             video_codec_box->add_item("AV1 (HDR)", "av1_hdr");
-        if(gsr_info.supported_video_codecs.av1_10bit)
+        if(gsr_info->supported_video_codecs.av1_10bit)
             video_codec_box->add_item("AV1 (10 bit, reduces banding)", "av1_10bit");
-        if(gsr_info.supported_video_codecs.h264_software)
+        if(gsr_info->supported_video_codecs.h264_software)
             video_codec_box->add_item("H264 Software Encoder (Slow, not recommended)", "h264_software");
         video_codec_box_ptr = video_codec_box.get();
         return video_codec_box;
     }
 
-    std::unique_ptr<List> SettingsPage::create_video_codec(const GsrInfo &gsr_info) {
+    std::unique_ptr<List> SettingsPage::create_video_codec() {
         auto video_codec_list = std::make_unique<List>(List::Orientation::VERTICAL);
         video_codec_list->add_widget(std::make_unique<Label>(&get_theme().body_font, "Video codec:", get_color_theme().text_color));
-        video_codec_list->add_widget(create_video_codec_box(gsr_info));
+        video_codec_list->add_widget(create_video_codec_box());
         video_codec_ptr = video_codec_list.get();
         return video_codec_list;
     }
@@ -477,16 +479,16 @@ namespace gsr {
         return record_cursor_checkbox;
     }
 
-    std::unique_ptr<Widget> SettingsPage::create_video_section(const GsrInfo &gsr_info) {
+    std::unique_ptr<Widget> SettingsPage::create_video_section() {
         auto video_section_list = std::make_unique<List>(List::Orientation::VERTICAL);
         video_section_list->add_widget(create_video_quality_section());
-        video_section_list->add_widget(create_video_codec(gsr_info));
+        video_section_list->add_widget(create_video_codec());
         video_section_list->add_widget(create_framerate_section());
         video_section_list->add_widget(create_record_cursor_section());
         return std::make_unique<Subsection>("Video", std::move(video_section_list), mgl::vec2f(settings_scrollable_page_ptr->get_inner_size().x, 0.0f));
     }
 
-    std::unique_ptr<Widget> SettingsPage::create_settings(const GsrInfo &gsr_info) {
+    std::unique_ptr<Widget> SettingsPage::create_settings() {
         auto page_list = std::make_unique<List>(List::Orientation::VERTICAL);
         page_list->set_spacing(0.018f);
         page_list->add_widget(create_view_radio_button());
@@ -496,16 +498,16 @@ namespace gsr {
 
         auto settings_list = std::make_unique<List>(List::Orientation::VERTICAL);
         settings_list->set_spacing(0.018f);
-        settings_list->add_widget(create_capture_target(gsr_info));
+        settings_list->add_widget(create_capture_target());
         settings_list->add_widget(create_audio_section());
-        settings_list->add_widget(create_video_section(gsr_info));
+        settings_list->add_widget(create_video_section());
         settings_list_ptr = settings_list.get();
         settings_scrollable_page_ptr->add_widget(std::move(settings_list));
         return page_list;
     }
 
-    void SettingsPage::add_widgets(const GsrInfo &gsr_info) {
-        content_page_ptr->add_widget(create_settings(gsr_info));
+    void SettingsPage::add_widgets() {
+        content_page_ptr->add_widget(create_settings());
 
         record_area_box_ptr->on_selection_changed = [this](const std::string &text, const std::string &id) {
             (void)text;
@@ -534,32 +536,32 @@ namespace gsr {
         };
         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);
-        else if(gsr_info.supported_capture_options.portal)
+        if(!capture_options.monitors.empty())
+            record_area_box_ptr->set_selected_item(capture_options.monitors.front().name);
+        else if(capture_options.portal)
             record_area_box_ptr->set_selected_item("portal");
-        else if(gsr_info.supported_capture_options.window)
+        else if(capture_options.window)
             record_area_box_ptr->set_selected_item("window");
         else
             record_area_box_ptr->on_selection_changed("", "");
 
-        if(!gsr_info.system_info.supports_app_audio) {
+        if(!gsr_info->system_info.supports_app_audio) {
             add_application_audio_button_ptr->set_visible(false);
             add_custom_application_audio_button_ptr->set_visible(false);
             application_audio_invert_checkbox_ptr->set_visible(false);
         }
     }
 
-    void SettingsPage::add_page_specific_widgets(const GsrInfo &gsr_info) {
+    void SettingsPage::add_page_specific_widgets() {
         switch(type) {
             case Type::REPLAY:
-                add_replay_widgets(gsr_info);
+                add_replay_widgets();
                 break;
             case Type::RECORD:
-                add_record_widgets(gsr_info);
+                add_record_widgets();
                 break;
             case Type::STREAM:
-                add_stream_widgets(gsr_info);
+                add_stream_widgets();
                 break;
         }
     }
@@ -622,9 +624,9 @@ namespace gsr {
         return replay_time_list;
     }
 
-    std::unique_ptr<RadioButton> SettingsPage::create_start_replay_automatically(const GsrInfo &gsr_info) {
+    std::unique_ptr<RadioButton> SettingsPage::create_start_replay_automatically() {
         char fullscreen_text[256];
-        snprintf(fullscreen_text, sizeof(fullscreen_text), "Turn on replay when starting a fullscreen application%s", gsr_info.system_info.display_server == DisplayServer::X11 ? "" : " (X11 only)");
+        snprintf(fullscreen_text, sizeof(fullscreen_text), "Turn on replay when starting a fullscreen application%s", gsr_info->system_info.display_server == DisplayServer::X11 ? "" : " (X11 only)");
 
         auto radiobutton = std::make_unique<RadioButton>(&get_theme().body_font, RadioButton::Orientation::VERTICAL);
         radiobutton->add_item("Don't turn on replay automatically", "dont_turn_on_automatically");
@@ -635,9 +637,9 @@ namespace gsr {
         return radiobutton;
     }
 
-    std::unique_ptr<CheckBox> SettingsPage::create_save_replay_in_game_folder(const GsrInfo &gsr_info) {
+    std::unique_ptr<CheckBox> SettingsPage::create_save_replay_in_game_folder() {
         char text[256];
-        snprintf(text, sizeof(text), "Save video in a folder with the name of the game%s", gsr_info.system_info.display_server == DisplayServer::X11 ? "" : " (X11 only)");
+        snprintf(text, sizeof(text), "Save video in a folder with the name of the game%s", gsr_info->system_info.display_server == DisplayServer::X11 ? "" : " (X11 only)");
         auto checkbox = std::make_unique<CheckBox>(&get_theme().body_font, text);
         save_replay_in_game_folder_ptr = checkbox.get();
         return checkbox;
@@ -659,7 +661,7 @@ namespace gsr {
         estimated_file_size_ptr->set_text(buffer);
     }
 
-    void SettingsPage::add_replay_widgets(const GsrInfo &gsr_info) {
+    void SettingsPage::add_replay_widgets() {
         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:"));
@@ -670,8 +672,8 @@ namespace gsr {
         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);
-        general_list->add_widget(create_start_replay_automatically(gsr_info));
-        general_list->add_widget(create_save_replay_in_game_folder(gsr_info));
+        general_list->add_widget(create_start_replay_automatically());
+        general_list->add_widget(create_save_replay_in_game_folder());
         settings_list_ptr->add_widget(std::make_unique<Subsection>("General", std::move(general_list), mgl::vec2f(settings_scrollable_page_ptr->get_inner_size().x, 0.0f)));
 
         auto checkboxes_list = std::make_unique<List>(List::Orientation::VERTICAL);
@@ -716,22 +718,22 @@ namespace gsr {
         };
     }
 
-    std::unique_ptr<CheckBox> SettingsPage::create_save_recording_in_game_folder(const GsrInfo &gsr_info) {
+    std::unique_ptr<CheckBox> SettingsPage::create_save_recording_in_game_folder() {
         char text[256];
-        snprintf(text, sizeof(text), "Save video in a folder with the name of the game%s", gsr_info.system_info.display_server == DisplayServer::X11 ? "" : " (X11 only)");
+        snprintf(text, sizeof(text), "Save video in a folder with the name of the game%s", gsr_info->system_info.display_server == DisplayServer::X11 ? "" : " (X11 only)");
         auto checkbox = std::make_unique<CheckBox>(&get_theme().body_font, text);
         save_recording_in_game_folder_ptr = checkbox.get();
         return checkbox;
     }
 
-    void SettingsPage::add_record_widgets(const GsrInfo &gsr_info) {
+    void SettingsPage::add_record_widgets() {
         auto file_list = std::make_unique<List>(List::Orientation::HORIZONTAL);
         file_list->add_widget(create_save_directory("Directory to save the video:"));
         file_list->add_widget(create_container_section());
         settings_list_ptr->add_widget(std::make_unique<Subsection>("File info", std::move(file_list), mgl::vec2f(settings_scrollable_page_ptr->get_inner_size().x, 0.0f)));
 
         auto general_list = std::make_unique<List>(List::Orientation::VERTICAL);
-        general_list->add_widget(create_save_recording_in_game_folder(gsr_info));
+        general_list->add_widget(create_save_recording_in_game_folder());
         settings_list_ptr->add_widget(std::make_unique<Subsection>("General", std::move(general_list), mgl::vec2f(settings_scrollable_page_ptr->get_inner_size().x, 0.0f)));
 
         auto checkboxes_list = std::make_unique<List>(List::Orientation::VERTICAL);
@@ -825,7 +827,7 @@ namespace gsr {
         return container_list;
     }
 
-    void SettingsPage::add_stream_widgets(const GsrInfo&) {
+    void SettingsPage::add_stream_widgets() {
         auto streaming_info_list = std::make_unique<List>(List::Orientation::HORIZONTAL);
         streaming_info_list->add_widget(create_streaming_service_section());
         streaming_info_list->add_widget(create_stream_key_section());
@@ -879,16 +881,16 @@ namespace gsr {
         save();
     }
 
-    void SettingsPage::load(const GsrInfo &gsr_info) {
+    void SettingsPage::load() {
         switch(type) {
             case Type::REPLAY:
-                load_replay(gsr_info);
+                load_replay();
                 break;
             case Type::RECORD:
-                load_record(gsr_info);
+                load_record();
                 break;
             case Type::STREAM:
-                load_stream(gsr_info);
+                load_stream();
                 break;
         }
     }
@@ -921,11 +923,11 @@ namespace gsr {
         return str.size() >= len && memcmp(str.data(), substr, len) == 0;
     }
 
-    void SettingsPage::load_audio_tracks(const RecordOptions &record_options, const GsrInfo &gsr_info) {
+    void SettingsPage::load_audio_tracks(const RecordOptions &record_options) {
         audio_track_list_ptr->clear();
         for(const std::string &audio_track : record_options.audio_tracks) {
             if(starts_with(audio_track, "app:")) {
-                if(!gsr_info.system_info.supports_app_audio)
+                if(!gsr_info->system_info.supports_app_audio)
                     continue;
 
                 std::string audio_track_name = audio_track.substr(4);
@@ -955,12 +957,12 @@ namespace gsr {
         }
     }
 
-    void SettingsPage::load_common(RecordOptions &record_options, const GsrInfo &gsr_info) {
+    void SettingsPage::load_common(RecordOptions &record_options) {
         record_area_box_ptr->set_selected_item(record_options.record_area_option);
         merge_audio_tracks_checkbox_ptr->set_checked(record_options.merge_audio_tracks);
         application_audio_invert_checkbox_ptr->set_checked(record_options.application_audio_invert);
         change_video_resolution_checkbox_ptr->set_checked(record_options.change_video_resolution);
-        load_audio_tracks(record_options, gsr_info);
+        load_audio_tracks(record_options);
         color_range_box_ptr->set_selected_item(record_options.color_range);
         video_quality_box_ptr->set_selected_item(record_options.video_quality);
         video_codec_box_ptr->set_selected_item(record_options.video_codec);
@@ -1009,8 +1011,8 @@ namespace gsr {
         video_bitrate_entry_ptr->set_text(std::to_string(record_options.video_bitrate));
     }
 
-    void SettingsPage::load_replay(const GsrInfo &gsr_info) {
-        load_common(config.replay_config.record_options, gsr_info);
+    void SettingsPage::load_replay() {
+        load_common(config.replay_config.record_options);
         turn_on_replay_automatically_mode_ptr->set_selected_item(config.replay_config.turn_on_replay_automatically_mode);
         save_replay_in_game_folder_ptr->set_checked(config.replay_config.save_video_in_game_folder);
         show_replay_started_notification_checkbox_ptr->set_checked(config.replay_config.show_replay_started_notifications);
@@ -1024,8 +1026,8 @@ namespace gsr {
         replay_time_entry_ptr->set_text(std::to_string(config.replay_config.replay_time));
     }
 
-    void SettingsPage::load_record(const GsrInfo &gsr_info) {
-        load_common(config.record_config.record_options, gsr_info);
+    void SettingsPage::load_record() {
+        load_common(config.record_config.record_options);
         save_recording_in_game_folder_ptr->set_checked(config.record_config.save_video_in_game_folder);
         show_recording_started_notification_checkbox_ptr->set_checked(config.record_config.show_recording_started_notifications);
         show_video_saved_notification_checkbox_ptr->set_checked(config.record_config.show_video_saved_notifications);
@@ -1033,8 +1035,8 @@ namespace gsr {
         container_box_ptr->set_selected_item(config.record_config.container);
     }
 
-    void SettingsPage::load_stream(const GsrInfo &gsr_info) {
-        load_common(config.streaming_config.record_options, gsr_info);
+    void SettingsPage::load_stream() {
+        load_common(config.streaming_config.record_options);
         show_streaming_started_notification_checkbox_ptr->set_checked(config.streaming_config.show_streaming_started_notifications);
         show_streaming_stopped_notification_checkbox_ptr->set_checked(config.streaming_config.show_streaming_stopped_notifications);
         streaming_service_box_ptr->set_selected_item(config.streaming_config.streaming_service);
diff --git a/src/main.cpp b/src/main.cpp
index 7002288..98b1ce3 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -168,8 +168,11 @@ int main(void) {
         exit(1);
     }
 
-   if(gsr_info.system_info.display_server == gsr::DisplayServer::WAYLAND)
-       fprintf(stderr, "warning: Wayland support is experimental and requires XWayland. Things may not work as expected.\n");
+    const gsr::DisplayServer display_server = gsr_info.system_info.display_server;
+    if(display_server == gsr::DisplayServer::WAYLAND)
+        fprintf(stderr, "warning: Wayland support is experimental and requires XWayland. Things may not work as expected.\n");
+
+    gsr::SupportedCaptureOptions capture_options = gsr::get_supported_capture_options(gsr_info);
 
     std::string resources_path;
     if(access("sibs-build", F_OK) == 0) {
@@ -197,11 +200,11 @@ int main(void) {
 
     fprintf(stderr, "info: gsr ui is now ready, waiting for inputs. Press alt+z to show/hide the overlay\n");
 
-    auto overlay = std::make_unique<gsr::Overlay>(resources_path, gsr_info, egl_funcs);
+    auto overlay = std::make_unique<gsr::Overlay>(resources_path, std::move(gsr_info), std::move(capture_options), egl_funcs);
     //overlay.show();
 
     std::unique_ptr<gsr::GlobalHotkeys> global_hotkeys = nullptr;
-    if(gsr_info.system_info.display_server == gsr::DisplayServer::X11) {
+    if(display_server == gsr::DisplayServer::X11) {
         global_hotkeys = register_x11_hotkeys(overlay.get());
         if(!global_hotkeys) {
             fprintf(stderr, "info: failed to register some x11 hotkeys because they are registered by another program. Will use linux hotkeys instead that can clash with keys used by other applications\n");
-- 
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