initial commit

AppConfig.hpp

@@ -0,0 +1,65 @@
+#pragma once
+
+#include <cstdint>
+#include <optional>
+#include <string>
+#include <string_view>
+#include <vector>
+
+constexpr uint32_t DefaultGridCols = 2;
+constexpr uint32_t DefaultGridRows = 2;
+constexpr uint32_t MaxFeedCount = 16;
+constexpr const char* AppName = "MXL Multiviewer";
+constexpr uint32_t AppVersionMajor = 0;
+constexpr uint32_t AppVersionMinor = 1;
+constexpr uint32_t AppVersionPatch = 0;
+
+enum class FeedKind
+{
+    NoSignal,
+    MxlPlaceholder,
+    SmpteBars,
+    MxlSdk
+};
+
+enum class PresentModeConfig
+{
+    Fifo,
+    Mailbox,
+    Immediate
+};
+
+struct FeedConfig
+{
+    FeedKind kind = FeedKind::NoSignal;
+    std::string mxlDomain;
+    std::string mxlFlowId;
+};
+
+struct AppConfig
+{
+    bool logFps = true;
+    bool logPerf = false;
+    bool verbose = false;
+    uint32_t fpsCap = 60;
+    uint32_t gridCols = DefaultGridCols;
+    uint32_t gridRows = DefaultGridRows;
+    PresentModeConfig presentMode = PresentModeConfig::Mailbox;
+    std::vector<FeedConfig> feeds;
+};
+
+std::optional<FeedKind> parseFeedKind(std::string_view text);
+std::string_view feedKindName(FeedKind kind);
+
+void printUsage(const char* executableName);
+
+struct ConfigParseResult
+{
+    AppConfig config;
+    bool shouldExit = false;
+    int exitCode = 0;
+};
+
+ConfigParseResult parseAppConfig(
+    int argc,
+    char* argv[]);