474 lines
17 KiB
C++
474 lines
17 KiB
C++
#include "mpv_plugin.h"
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#include "mpv_container.h"
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#include "mpv_core.h"
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void MpvPlayerPluginRegisterWithRegistrar(
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FlutterDesktopPluginRegistrarRef registrar) {
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mpv::MpvPlayerPlugin::RegisterWithRegistrar(
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flutter::PluginRegistrarManager::GetInstance()
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->GetRegistrar<flutter::PluginRegistrarWindows>(registrar));
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}
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namespace mpv {
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void MpvPlayerPlugin::RegisterWithRegistrar(
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flutter::PluginRegistrarWindows* registrar) {
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auto plugin = std::make_unique<MpvPlayerPlugin>(registrar);
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registrar->AddPlugin(std::move(plugin));
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}
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MpvPlayerPlugin::MpvPlayerPlugin(flutter::PluginRegistrarWindows* registrar)
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: registrar_(registrar) {
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// Create method channel.
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method_channel_ =
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std::make_unique<flutter::MethodChannel<flutter::EncodableValue>>(
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registrar->messenger(), "com.plezy/mpv_player",
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&flutter::StandardMethodCodec::GetInstance());
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method_channel_->SetMethodCallHandler(
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[this](const auto& call, auto result) {
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HandleMethodCall(call, std::move(result));
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});
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// Create event channel.
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event_channel_ =
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std::make_unique<flutter::EventChannel<flutter::EncodableValue>>(
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registrar->messenger(), "com.plezy/mpv_player/events",
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&flutter::StandardMethodCodec::GetInstance());
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auto handler = std::make_unique<
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flutter::StreamHandlerFunctions<flutter::EncodableValue>>(
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[this](const flutter::EncodableValue* arguments,
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std::unique_ptr<flutter::EventSink<flutter::EncodableValue>>&&
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events) -> std::unique_ptr<flutter::StreamHandlerError<
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flutter::EncodableValue>> {
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event_sink_ = std::move(events);
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return nullptr;
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},
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[this](const flutter::EncodableValue* arguments)
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-> std::unique_ptr<
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flutter::StreamHandlerError<flutter::EncodableValue>> {
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event_sink_ = nullptr;
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return nullptr;
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});
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event_channel_->SetStreamHandler(std::move(handler));
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}
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MpvPlayerPlugin::~MpvPlayerPlugin() {
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// Clear power-resume callback and kill pending timer so they cannot
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// invoke a dangling `this`.
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if (MpvCore::GetInstance()) {
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MpvCore::GetInstance()->SetPowerResumeCallback(nullptr);
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::KillTimer(GetWindow(), MpvCore::kPowerResumeTimerId);
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}
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// Unregister window proc delegate.
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if (proc_id_) {
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registrar_->UnregisterTopLevelWindowProcDelegate(proc_id_.value());
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proc_id_ = std::nullopt;
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}
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}
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HWND MpvPlayerPlugin::GetChildWindow() {
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return registrar_->GetView()->GetNativeWindow();
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}
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HWND MpvPlayerPlugin::GetWindow() {
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return ::GetAncestor(GetChildWindow(), GA_ROOT);
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}
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void MpvPlayerPlugin::HandleMethodCall(
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const flutter::MethodCall<flutter::EncodableValue>& method_call,
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std::unique_ptr<flutter::MethodResult<flutter::EncodableValue>> result) {
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const auto& method = method_call.method_name();
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if (method == "initialize") {
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// Set up MpvCore for z-order management.
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if (proc_id_) {
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registrar_->UnregisterTopLevelWindowProcDelegate(proc_id_.value());
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proc_id_ = std::nullopt;
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}
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HWND flutter_window = GetWindow();
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MpvCore::SetInstance(
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std::make_unique<MpvCore>(flutter_window));
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proc_id_ = registrar_->RegisterTopLevelWindowProcDelegate(
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[](HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam) {
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auto* core = MpvCore::GetInstance();
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if (core) {
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return core->WindowProc(hwnd, message, wparam, lparam);
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}
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return std::optional<HRESULT>(std::nullopt);
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});
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MpvCore::GetInstance()->EnsureInitialized();
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// Create player - use the container from MpvCore which was set up by EnsureInitialized
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player_ = std::make_unique<MpvPlayer>();
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HWND container = MpvContainer::GetInstance()->handle();
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if (!container) {
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result->Error("INIT_FAILED", "Failed to create container window");
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return;
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}
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bool success = player_->Initialize(container, flutter_window);
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if (success) {
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// Set up event callback.
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player_->SetEventCallback([this](const flutter::EncodableValue& event) {
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SendEvent(event);
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});
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// Register the mpv window with core for z-order management.
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RECT rect = {0, 0, 100, 100};
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MpvCore::GetInstance()->CreateMpvView(player_->GetHwnd(), rect, 1.0);
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// Reload audio output on wake from sleep to recover stale WASAPI sessions.
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MpvCore::GetInstance()->SetPowerResumeCallback([this]() {
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if (player_ && player_->IsInitialized()) {
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auto device = player_->GetProperty("audio-device");
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if (!device.empty()) {
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player_->SetProperty("audio-device", device);
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}
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}
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});
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// Start hidden.
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MpvCore::GetInstance()->SetVisible(false);
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result->Success(flutter::EncodableValue(true));
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} else {
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player_.reset(); // Clear the player so we don't have a half-initialized state
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result->Error("INIT_FAILED", "Failed to initialize MPV player");
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}
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} else if (method == "dispose") {
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// Clear power-resume callback and kill pending timer before disposing.
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if (MpvCore::GetInstance()) {
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MpvCore::GetInstance()->SetPowerResumeCallback(nullptr);
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::KillTimer(GetWindow(), MpvCore::kPowerResumeTimerId);
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}
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if (player_) {
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auto hwnd = player_->GetHwnd();
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player_->Dispose();
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player_.reset();
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if (MpvCore::GetInstance() && hwnd) {
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MpvCore::GetInstance()->DisposeMpvView(hwnd);
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}
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}
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result->Success();
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} else if (method == "command") {
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if (!player_ || !player_->IsInitialized()) {
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result->Error("NOT_INITIALIZED", "Player not initialized");
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return;
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}
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const auto* args = method_call.arguments();
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if (!args || !std::holds_alternative<flutter::EncodableMap>(*args)) {
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result->Error("INVALID_ARGS", "Expected map argument");
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return;
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}
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const auto& map = std::get<flutter::EncodableMap>(*args);
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auto it = map.find(flutter::EncodableValue("args"));
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if (it == map.end() ||
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!std::holds_alternative<flutter::EncodableList>(it->second)) {
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result->Error("INVALID_ARGS", "Missing 'args' list");
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return;
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}
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const auto& list = std::get<flutter::EncodableList>(it->second);
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std::vector<std::string> command_args;
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for (const auto& item : list) {
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if (std::holds_alternative<std::string>(item)) {
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command_args.push_back(std::get<std::string>(item));
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}
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}
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// Use async command to prevent UI blocking during network operations
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// Move result into shared_ptr for safe capture in callback
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auto result_ptr = std::make_shared<std::unique_ptr<flutter::MethodResult<flutter::EncodableValue>>>(std::move(result));
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std::string cmd_name = command_args.empty() ? "unknown" : command_args[0];
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player_->CommandAsync(command_args, [result_ptr, cmd_name](int error) {
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if (error < 0) {
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(*result_ptr)->Error("COMMAND_FAILED",
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"MPV command failed: " + cmd_name + " (error " + std::to_string(error) + ")");
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} else {
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(*result_ptr)->Success();
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}
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});
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return; // Response will be sent asynchronously
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} else if (method == "setProperty") {
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if (!player_ || !player_->IsInitialized()) {
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result->Error("NOT_INITIALIZED", "Player not initialized");
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return;
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}
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const auto* args = method_call.arguments();
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if (!args || !std::holds_alternative<flutter::EncodableMap>(*args)) {
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result->Error("INVALID_ARGS", "Expected map argument");
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return;
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}
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const auto& map = std::get<flutter::EncodableMap>(*args);
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auto name_it = map.find(flutter::EncodableValue("name"));
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auto value_it = map.find(flutter::EncodableValue("value"));
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if (name_it == map.end() ||
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!std::holds_alternative<std::string>(name_it->second)) {
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result->Error("INVALID_ARGS", "Missing 'name'");
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return;
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}
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if (value_it == map.end() ||
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!std::holds_alternative<std::string>(value_it->second)) {
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result->Error("INVALID_ARGS", "Missing 'value'");
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return;
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}
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player_->SetProperty(std::get<std::string>(name_it->second),
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std::get<std::string>(value_it->second));
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result->Success();
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} else if (method == "setLogLevel") {
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if (!player_ || !player_->IsInitialized()) {
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result->Error("NOT_INITIALIZED", "Player not initialized");
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return;
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}
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const auto* args = method_call.arguments();
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if (!args || !std::holds_alternative<flutter::EncodableMap>(*args)) {
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result->Error("INVALID_ARGS", "Expected map argument");
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return;
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}
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const auto& map = std::get<flutter::EncodableMap>(*args);
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auto level_it = map.find(flutter::EncodableValue("level"));
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if (level_it == map.end() ||
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!std::holds_alternative<std::string>(level_it->second)) {
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result->Error("INVALID_ARGS", "Missing 'level'");
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return;
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}
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player_->SetLogLevel(std::get<std::string>(level_it->second));
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result->Success();
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} else if (method == "getProperty") {
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if (!player_ || !player_->IsInitialized()) {
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result->Error("NOT_INITIALIZED", "Player not initialized");
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return;
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}
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const auto* args = method_call.arguments();
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if (!args || !std::holds_alternative<flutter::EncodableMap>(*args)) {
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result->Error("INVALID_ARGS", "Expected map argument");
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return;
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}
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const auto& map = std::get<flutter::EncodableMap>(*args);
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auto name_it = map.find(flutter::EncodableValue("name"));
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if (name_it == map.end() ||
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!std::holds_alternative<std::string>(name_it->second)) {
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result->Error("INVALID_ARGS", "Missing 'name'");
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return;
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}
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std::string value =
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player_->GetProperty(std::get<std::string>(name_it->second));
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if (value.empty()) {
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result->Success();
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} else {
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result->Success(flutter::EncodableValue(value));
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}
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} else if (method == "observeProperty") {
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if (!player_ || !player_->IsInitialized()) {
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result->Error("NOT_INITIALIZED", "Player not initialized");
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return;
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}
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const auto* args = method_call.arguments();
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if (!args || !std::holds_alternative<flutter::EncodableMap>(*args)) {
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result->Error("INVALID_ARGS", "Expected map argument");
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return;
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}
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const auto& map = std::get<flutter::EncodableMap>(*args);
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auto name_it = map.find(flutter::EncodableValue("name"));
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auto format_it = map.find(flutter::EncodableValue("format"));
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auto id_it = map.find(flutter::EncodableValue("id"));
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if (name_it == map.end() ||
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!std::holds_alternative<std::string>(name_it->second)) {
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result->Error("INVALID_ARGS", "Missing 'name'");
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return;
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}
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if (format_it == map.end() ||
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!std::holds_alternative<std::string>(format_it->second)) {
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result->Error("INVALID_ARGS", "Missing 'format'");
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return;
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}
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if (id_it == map.end() ||
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!std::holds_alternative<int32_t>(id_it->second)) {
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result->Error("INVALID_ARGS", "Missing 'id'");
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return;
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}
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player_->ObserveProperty(std::get<std::string>(name_it->second),
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std::get<std::string>(format_it->second),
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std::get<int32_t>(id_it->second));
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result->Success();
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} else if (method == "setVisible") {
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const auto* args = method_call.arguments();
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if (!args || !std::holds_alternative<flutter::EncodableMap>(*args)) {
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result->Error("INVALID_ARGS", "Expected map argument");
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return;
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}
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const auto& map = std::get<flutter::EncodableMap>(*args);
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auto visible_it = map.find(flutter::EncodableValue("visible"));
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if (visible_it == map.end() ||
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!std::holds_alternative<bool>(visible_it->second)) {
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result->Error("INVALID_ARGS", "Missing 'visible'");
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return;
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}
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bool visible = std::get<bool>(visible_it->second);
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if (player_) {
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player_->SetVisible(visible);
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}
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if (MpvCore::GetInstance()) {
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MpvCore::GetInstance()->SetVisible(visible);
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}
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result->Success();
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} else if (method == "setVideoRect") {
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const auto* args = method_call.arguments();
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if (!args || !std::holds_alternative<flutter::EncodableMap>(*args)) {
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result->Error("INVALID_ARGS", "Expected map argument");
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return;
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}
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const auto& map = std::get<flutter::EncodableMap>(*args);
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auto get_int = [&map](const char* key) -> int {
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auto it = map.find(flutter::EncodableValue(key));
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if (it != map.end()) {
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if (std::holds_alternative<int32_t>(it->second)) {
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return std::get<int32_t>(it->second);
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} else if (std::holds_alternative<int64_t>(it->second)) {
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return static_cast<int>(std::get<int64_t>(it->second));
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}
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}
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return 0;
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};
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auto get_double = [&map](const char* key) -> double {
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auto it = map.find(flutter::EncodableValue(key));
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if (it != map.end() && std::holds_alternative<double>(it->second)) {
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return std::get<double>(it->second);
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}
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return 1.0;
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};
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RECT rect;
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rect.left = get_int("left");
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rect.top = get_int("top");
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rect.right = get_int("right");
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rect.bottom = get_int("bottom");
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double dpr = get_double("devicePixelRatio");
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if (player_ && MpvCore::GetInstance()) {
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MpvCore::GetInstance()->ResizeMpvView(player_->GetHwnd(), rect);
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player_->SetRect(rect, dpr);
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}
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result->Success();
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} else if (method == "isInitialized") {
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bool initialized = player_ && player_->IsInitialized();
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result->Success(flutter::EncodableValue(initialized));
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// --- Display mode matching ---
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} else if (method == "getDisplayModes") {
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HWND hwnd = GetWindow();
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auto modes = display_mode_manager_.EnumerateDisplayModes(hwnd);
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flutter::EncodableList list;
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for (const auto& mode : modes) {
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flutter::EncodableMap m;
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m[flutter::EncodableValue("width")] = flutter::EncodableValue(static_cast<int32_t>(mode.width));
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m[flutter::EncodableValue("height")] = flutter::EncodableValue(static_cast<int32_t>(mode.height));
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m[flutter::EncodableValue("refreshRate")] = flutter::EncodableValue(static_cast<int32_t>(mode.refresh_rate));
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list.push_back(flutter::EncodableValue(m));
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}
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result->Success(flutter::EncodableValue(list));
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} else if (method == "getCurrentDisplayMode") {
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HWND hwnd = GetWindow();
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auto mode = display_mode_manager_.GetCurrentMode(hwnd);
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flutter::EncodableMap m;
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m[flutter::EncodableValue("width")] = flutter::EncodableValue(static_cast<int32_t>(mode.width));
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m[flutter::EncodableValue("height")] = flutter::EncodableValue(static_cast<int32_t>(mode.height));
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m[flutter::EncodableValue("refreshRate")] = flutter::EncodableValue(static_cast<int32_t>(mode.refresh_rate));
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result->Success(flutter::EncodableValue(m));
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} else if (method == "setDisplayMode") {
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const auto* args = method_call.arguments();
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if (!args || !std::holds_alternative<flutter::EncodableMap>(*args)) {
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result->Error("INVALID_ARGS", "Expected map argument");
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return;
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}
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const auto& map = std::get<flutter::EncodableMap>(*args);
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auto get_int = [&map](const char* key) -> int {
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auto it = map.find(flutter::EncodableValue(key));
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if (it != map.end() && std::holds_alternative<int32_t>(it->second))
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return std::get<int32_t>(it->second);
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return 0;
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};
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HWND hwnd = GetWindow();
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bool success = display_mode_manager_.SetDisplayMode(
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hwnd, get_int("width"), get_int("height"), get_int("refreshRate"));
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result->Success(flutter::EncodableValue(success));
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} else if (method == "restoreDisplayMode") {
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HWND hwnd = GetWindow();
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bool success = display_mode_manager_.RestoreOriginalMode(hwnd);
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result->Success(flutter::EncodableValue(success));
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} else if (method == "isHDRSupported") {
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HWND hwnd = GetWindow();
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result->Success(flutter::EncodableValue(display_mode_manager_.IsHDRSupported(hwnd)));
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} else if (method == "isHDREnabled") {
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HWND hwnd = GetWindow();
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result->Success(flutter::EncodableValue(display_mode_manager_.IsHDREnabled(hwnd)));
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} else if (method == "setSystemHDR") {
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const auto* args = method_call.arguments();
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if (!args || !std::holds_alternative<flutter::EncodableMap>(*args)) {
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result->Error("INVALID_ARGS", "Expected map argument");
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return;
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}
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const auto& map = std::get<flutter::EncodableMap>(*args);
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auto it = map.find(flutter::EncodableValue("enabled"));
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if (it == map.end() || !std::holds_alternative<bool>(it->second)) {
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result->Error("INVALID_ARGS", "Missing 'enabled'");
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return;
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}
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bool enabled = std::get<bool>(it->second);
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HWND hwnd = GetWindow();
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bool success = display_mode_manager_.SetHDREnabled(hwnd, enabled);
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result->Success(flutter::EncodableValue(success));
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} else if (method == "restoreSystemHDR") {
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HWND hwnd = GetWindow();
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bool success = display_mode_manager_.RestoreOriginalHDRState(hwnd);
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result->Success(flutter::EncodableValue(success));
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} else {
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result->NotImplemented();
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}
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}
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void MpvPlayerPlugin::SendEvent(const flutter::EncodableValue& event) {
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if (event_sink_) {
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event_sink_->Success(event);
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}
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}
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} // namespace mpv
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