330 lines
13 KiB
C++
330 lines
13 KiB
C++
#include "mpv_plugin.h"
|
|
#include "mpv_texture.h"
|
|
|
|
#include <cstring>
|
|
|
|
struct _MpvPlugin {
|
|
GObject parent_instance;
|
|
|
|
FlPluginRegistrar* registrar;
|
|
FlMethodChannel* method_channel;
|
|
FlEventChannel* event_channel;
|
|
FlTextureRegistrar* texture_registrar;
|
|
|
|
std::unique_ptr<mpv::MpvPlayer> player;
|
|
MpvTexture* texture; // owned via GObject ref
|
|
gboolean visible;
|
|
gboolean initialized;
|
|
};
|
|
|
|
G_DEFINE_TYPE(MpvPlugin, mpv_plugin, G_TYPE_OBJECT)
|
|
|
|
// Forward declarations
|
|
static void mpv_plugin_handle_method_call(FlMethodChannel* channel,
|
|
FlMethodCall* method_call,
|
|
gpointer user_data);
|
|
|
|
static void send_event(MpvPlugin* self, FlValue* event) {
|
|
if (self->event_channel) {
|
|
g_autoptr(GError) error = nullptr;
|
|
if (!fl_event_channel_send(self->event_channel, event, nullptr, &error)) {
|
|
if (error != nullptr) {
|
|
g_warning("Failed to send event: %s", error->message);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void mpv_plugin_dispose(GObject* object) {
|
|
MpvPlugin* self = MPV_PLUGIN(object);
|
|
|
|
if (self->player) {
|
|
self->player->Dispose();
|
|
self->player.reset();
|
|
}
|
|
|
|
if (self->texture) {
|
|
mpv_texture_dispose(self->texture);
|
|
if (self->texture_registrar) {
|
|
fl_texture_registrar_unregister_texture(self->texture_registrar,
|
|
FL_TEXTURE(self->texture));
|
|
}
|
|
g_object_unref(self->texture);
|
|
self->texture = nullptr;
|
|
}
|
|
|
|
g_clear_object(&self->method_channel);
|
|
g_clear_object(&self->event_channel);
|
|
g_clear_object(&self->registrar);
|
|
|
|
G_OBJECT_CLASS(mpv_plugin_parent_class)->dispose(object);
|
|
}
|
|
|
|
static void mpv_plugin_class_init(MpvPluginClass* klass) {
|
|
G_OBJECT_CLASS(klass)->dispose = mpv_plugin_dispose;
|
|
}
|
|
|
|
static void mpv_plugin_init(MpvPlugin* self) {
|
|
self->visible = FALSE;
|
|
self->initialized = FALSE;
|
|
self->texture = nullptr;
|
|
self->texture_registrar = nullptr;
|
|
}
|
|
|
|
MpvPlugin* mpv_plugin_new(FlPluginRegistrar* registrar) {
|
|
MpvPlugin* self = MPV_PLUGIN(g_object_new(MPV_PLUGIN_TYPE, nullptr));
|
|
|
|
self->registrar = FL_PLUGIN_REGISTRAR(g_object_ref(registrar));
|
|
self->texture_registrar =
|
|
fl_plugin_registrar_get_texture_registrar(registrar);
|
|
self->player = std::make_unique<mpv::MpvPlayer>();
|
|
|
|
g_autoptr(FlStandardMethodCodec) codec = fl_standard_method_codec_new();
|
|
self->method_channel = fl_method_channel_new(
|
|
fl_plugin_registrar_get_messenger(registrar),
|
|
"com.plezy/mpv_player",
|
|
FL_METHOD_CODEC(codec));
|
|
|
|
fl_method_channel_set_method_call_handler(
|
|
self->method_channel,
|
|
mpv_plugin_handle_method_call,
|
|
self,
|
|
nullptr);
|
|
|
|
self->event_channel = fl_event_channel_new(
|
|
fl_plugin_registrar_get_messenger(registrar),
|
|
"com.plezy/mpv_player/events",
|
|
FL_METHOD_CODEC(codec));
|
|
|
|
return self;
|
|
}
|
|
|
|
// Static reference to keep the plugin alive.
|
|
static MpvPlugin* g_mpv_plugin = nullptr;
|
|
|
|
void mpv_plugin_register_with_registrar(FlPluginRegistrar* registrar) {
|
|
g_mpv_plugin = mpv_plugin_new(registrar);
|
|
}
|
|
|
|
/// Method call handler.
|
|
static void mpv_plugin_handle_method_call(FlMethodChannel* channel,
|
|
FlMethodCall* method_call,
|
|
gpointer user_data) {
|
|
(void)channel;
|
|
MpvPlugin* self = MPV_PLUGIN(user_data);
|
|
const gchar* method = fl_method_call_get_name(method_call);
|
|
FlValue* args = fl_method_call_get_args(method_call);
|
|
|
|
g_autoptr(FlMethodResponse) response = nullptr;
|
|
|
|
if (strcmp(method, "initialize") == 0) {
|
|
if (self->initialized && self->texture) {
|
|
// Already initialized — return existing texture ID
|
|
response = FL_METHOD_RESPONSE(fl_method_success_response_new(
|
|
fl_value_new_int(mpv_texture_get_id(self->texture))));
|
|
} else {
|
|
// Create player if it was disposed or doesn't exist
|
|
if (!self->player || self->player->IsDisposed()) {
|
|
self->player = std::make_unique<mpv::MpvPlayer>();
|
|
}
|
|
|
|
if (self->player->Initialize()) {
|
|
// Create the FlTextureGL and register it
|
|
FlView* view = fl_plugin_registrar_get_view(self->registrar);
|
|
self->texture = mpv_texture_new(
|
|
self->player.get(), self->texture_registrar, view);
|
|
|
|
fl_texture_registrar_register_texture(
|
|
self->texture_registrar, FL_TEXTURE(self->texture));
|
|
|
|
// Set redraw callback: when mpv has a frame, mark texture available
|
|
MpvTexture* tex = self->texture;
|
|
self->player->SetRedrawCallback([tex]() {
|
|
mpv_texture_mark_frame_available(tex);
|
|
});
|
|
|
|
self->initialized = TRUE;
|
|
|
|
// Set up event callback
|
|
self->player->SetEventCallback([self](FlValue* event) {
|
|
send_event(self, event);
|
|
});
|
|
|
|
// Return the texture ID for the Dart Texture widget
|
|
response = FL_METHOD_RESPONSE(fl_method_success_response_new(
|
|
fl_value_new_int(mpv_texture_get_id(self->texture))));
|
|
} else {
|
|
response = FL_METHOD_RESPONSE(fl_method_error_response_new(
|
|
"INIT_FAILED", "Failed to initialize MPV player", nullptr));
|
|
}
|
|
}
|
|
} else if (strcmp(method, "dispose") == 0) {
|
|
// Disconnect and unregister texture FIRST — this stops Flutter from
|
|
// calling populate(), preventing concurrent mpv_render_context_render()
|
|
// during player disposal.
|
|
if (self->texture) {
|
|
mpv_texture_dispose(self->texture);
|
|
fl_texture_registrar_unregister_texture(self->texture_registrar,
|
|
FL_TEXTURE(self->texture));
|
|
g_object_unref(self->texture);
|
|
self->texture = nullptr;
|
|
}
|
|
if (self->player) {
|
|
self->player->Dispose();
|
|
// Don't reset player here — stray g_idle callbacks still reference it.
|
|
// It will be replaced on next initialize() call.
|
|
}
|
|
self->initialized = FALSE;
|
|
self->visible = FALSE;
|
|
response = FL_METHOD_RESPONSE(fl_method_success_response_new(nullptr));
|
|
} else if (strcmp(method, "command") == 0) {
|
|
if (!self->player || !self->initialized) {
|
|
response = FL_METHOD_RESPONSE(fl_method_error_response_new(
|
|
"NOT_INITIALIZED", "Player not initialized", nullptr));
|
|
} else {
|
|
FlValue* args_value = fl_value_lookup_string(args, "args");
|
|
if (args_value == nullptr ||
|
|
fl_value_get_type(args_value) != FL_VALUE_TYPE_LIST) {
|
|
response = FL_METHOD_RESPONSE(fl_method_error_response_new(
|
|
"INVALID_ARGS", "Missing 'args' list", nullptr));
|
|
} else {
|
|
std::vector<std::string> command_args;
|
|
size_t len = fl_value_get_length(args_value);
|
|
for (size_t i = 0; i < len; i++) {
|
|
FlValue* item = fl_value_get_list_value(args_value, i);
|
|
if (fl_value_get_type(item) == FL_VALUE_TYPE_STRING) {
|
|
command_args.push_back(fl_value_get_string(item));
|
|
}
|
|
}
|
|
g_object_ref(method_call);
|
|
self->player->CommandAsync(command_args, [method_call](int error) {
|
|
g_autoptr(FlMethodResponse) async_response = nullptr;
|
|
if (error < 0) {
|
|
async_response = FL_METHOD_RESPONSE(fl_method_error_response_new(
|
|
"COMMAND_FAILED", "MPV command failed", nullptr));
|
|
} else {
|
|
async_response = FL_METHOD_RESPONSE(fl_method_success_response_new(nullptr));
|
|
}
|
|
fl_method_call_respond(method_call, async_response, nullptr);
|
|
g_object_unref(method_call);
|
|
});
|
|
return; // Response sent asynchronously
|
|
}
|
|
}
|
|
} else if (strcmp(method, "setProperty") == 0) {
|
|
if (!self->player || !self->initialized) {
|
|
response = FL_METHOD_RESPONSE(fl_method_error_response_new(
|
|
"NOT_INITIALIZED", "Player not initialized", nullptr));
|
|
} else {
|
|
FlValue* name_value = fl_value_lookup_string(args, "name");
|
|
FlValue* value_value = fl_value_lookup_string(args, "value");
|
|
|
|
if (name_value == nullptr ||
|
|
fl_value_get_type(name_value) != FL_VALUE_TYPE_STRING) {
|
|
response = FL_METHOD_RESPONSE(fl_method_error_response_new(
|
|
"INVALID_ARGS", "Missing 'name'", nullptr));
|
|
} else if (value_value == nullptr ||
|
|
fl_value_get_type(value_value) != FL_VALUE_TYPE_STRING) {
|
|
response = FL_METHOD_RESPONSE(fl_method_error_response_new(
|
|
"INVALID_ARGS", "Missing 'value'", nullptr));
|
|
} else {
|
|
self->player->SetProperty(fl_value_get_string(name_value),
|
|
fl_value_get_string(value_value));
|
|
response = FL_METHOD_RESPONSE(fl_method_success_response_new(nullptr));
|
|
}
|
|
}
|
|
} else if (strcmp(method, "setLogLevel") == 0) {
|
|
if (!self->player || !self->initialized) {
|
|
response = FL_METHOD_RESPONSE(fl_method_error_response_new(
|
|
"NOT_INITIALIZED", "Player not initialized", nullptr));
|
|
} else {
|
|
FlValue* level_value = fl_value_lookup_string(args, "level");
|
|
|
|
if (level_value == nullptr ||
|
|
fl_value_get_type(level_value) != FL_VALUE_TYPE_STRING) {
|
|
response = FL_METHOD_RESPONSE(fl_method_error_response_new(
|
|
"INVALID_ARGS", "Missing 'level'", nullptr));
|
|
} else {
|
|
self->player->SetLogLevel(fl_value_get_string(level_value));
|
|
response = FL_METHOD_RESPONSE(fl_method_success_response_new(nullptr));
|
|
}
|
|
}
|
|
} else if (strcmp(method, "getProperty") == 0) {
|
|
if (!self->player || !self->initialized) {
|
|
response = FL_METHOD_RESPONSE(fl_method_error_response_new(
|
|
"NOT_INITIALIZED", "Player not initialized", nullptr));
|
|
} else {
|
|
FlValue* name_value = fl_value_lookup_string(args, "name");
|
|
|
|
if (name_value == nullptr ||
|
|
fl_value_get_type(name_value) != FL_VALUE_TYPE_STRING) {
|
|
response = FL_METHOD_RESPONSE(fl_method_error_response_new(
|
|
"INVALID_ARGS", "Missing 'name'", nullptr));
|
|
} else {
|
|
std::string value =
|
|
self->player->GetProperty(fl_value_get_string(name_value));
|
|
if (value.empty()) {
|
|
response =
|
|
FL_METHOD_RESPONSE(fl_method_success_response_new(nullptr));
|
|
} else {
|
|
response = FL_METHOD_RESPONSE(fl_method_success_response_new(
|
|
fl_value_new_string(value.c_str())));
|
|
}
|
|
}
|
|
}
|
|
} else if (strcmp(method, "observeProperty") == 0) {
|
|
if (!self->player || !self->initialized) {
|
|
response = FL_METHOD_RESPONSE(fl_method_error_response_new(
|
|
"NOT_INITIALIZED", "Player not initialized", nullptr));
|
|
} else {
|
|
FlValue* name_value = fl_value_lookup_string(args, "name");
|
|
FlValue* format_value = fl_value_lookup_string(args, "format");
|
|
FlValue* id_value = fl_value_lookup_string(args, "id");
|
|
|
|
if (name_value == nullptr ||
|
|
fl_value_get_type(name_value) != FL_VALUE_TYPE_STRING) {
|
|
response = FL_METHOD_RESPONSE(fl_method_error_response_new(
|
|
"INVALID_ARGS", "Missing 'name'", nullptr));
|
|
} else if (format_value == nullptr ||
|
|
fl_value_get_type(format_value) != FL_VALUE_TYPE_STRING) {
|
|
response = FL_METHOD_RESPONSE(fl_method_error_response_new(
|
|
"INVALID_ARGS", "Missing 'format'", nullptr));
|
|
} else if (id_value == nullptr ||
|
|
fl_value_get_type(id_value) != FL_VALUE_TYPE_INT) {
|
|
response = FL_METHOD_RESPONSE(fl_method_error_response_new(
|
|
"INVALID_ARGS", "Missing 'id'", nullptr));
|
|
} else {
|
|
self->player->ObserveProperty(fl_value_get_string(name_value),
|
|
fl_value_get_string(format_value),
|
|
static_cast<int>(fl_value_get_int(id_value)));
|
|
response = FL_METHOD_RESPONSE(fl_method_success_response_new(nullptr));
|
|
}
|
|
}
|
|
} else if (strcmp(method, "setVisible") == 0) {
|
|
FlValue* visible_value = fl_value_lookup_string(args, "visible");
|
|
|
|
if (visible_value == nullptr ||
|
|
fl_value_get_type(visible_value) != FL_VALUE_TYPE_BOOL) {
|
|
response = FL_METHOD_RESPONSE(fl_method_error_response_new(
|
|
"INVALID_ARGS", "Missing 'visible'", nullptr));
|
|
} else {
|
|
self->visible = fl_value_get_bool(visible_value);
|
|
|
|
if (self->visible && self->texture) {
|
|
// Trigger a frame render when becoming visible
|
|
mpv_texture_mark_frame_available(self->texture);
|
|
}
|
|
|
|
response = FL_METHOD_RESPONSE(fl_method_success_response_new(nullptr));
|
|
}
|
|
} else if (strcmp(method, "isInitialized") == 0) {
|
|
gboolean initialized = self->player && self->initialized;
|
|
response = FL_METHOD_RESPONSE(
|
|
fl_method_success_response_new(fl_value_new_bool(initialized)));
|
|
} else {
|
|
response = FL_METHOD_RESPONSE(fl_method_not_implemented_response_new());
|
|
}
|
|
|
|
fl_method_call_respond(method_call, response, nullptr);
|
|
}
|