Exemple #1
0
status_t
PluginManager::CreateWriter(Writer** writer, const media_file_format& mff,
	BDataIO* target)
{
	TRACE("PluginManager::CreateWriter enter\n");

	// Get the Writer responsible for this media_file_format from the server.
	server_get_writer_request request;
	request.internal_id = mff.id.internal_id;
	server_get_writer_reply reply;
	status_t ret = QueryServer(SERVER_GET_WRITER_FOR_FORMAT_FAMILY, &request,
		sizeof(request), &reply, sizeof(reply));
	if (ret != B_OK) {
		printf("PluginManager::CreateWriter: can't get writer for file "
			"family: %s\n", strerror(ret));
		return ret;
	}

	MediaPlugin* plugin = GetPlugin(reply.ref);
	if (plugin == NULL) {
		printf("PluginManager::CreateWriter: GetPlugin failed\n");
		return B_ERROR;
	}

	WriterPlugin* writerPlugin = dynamic_cast<WriterPlugin*>(plugin);
	if (writerPlugin == NULL) {
		printf("PluginManager::CreateWriter: dynamic_cast failed\n");
		PutPlugin(plugin);
		return B_ERROR;
	}

	*writer = writerPlugin->NewWriter();
	if (*writer == NULL) {
		printf("PluginManager::CreateWriter: NewWriter failed\n");
		PutPlugin(plugin);
		return B_ERROR;
	}

	(*writer)->Setup(target);
	(*writer)->fMediaPlugin = plugin;

	TRACE("PluginManager::CreateWriter leave\n");
	return B_OK;
}
status_t
PluginManager::CreateWriter(Writer** writer, const media_file_format& mff,
	BDataIO* target)
{
	TRACE("PluginManager::CreateWriter enter\n");

	// Get the Writer responsible for this media_file_format from the server.
	entry_ref ref;
	status_t ret = AddOnManager::GetInstance()->GetWriter(&ref,
		mff.id.internal_id);
	if (ret != B_OK) {
		printf("PluginManager::CreateWriter: can't get writer for file "
			"family: %s\n", strerror(ret));
		return ret;
	}

	MediaPlugin* plugin = GetPlugin(ref);
	if (plugin == NULL) {
		printf("PluginManager::CreateWriter: GetPlugin failed\n");
		return B_ERROR;
	}

	WriterPlugin* writerPlugin = dynamic_cast<WriterPlugin*>(plugin);
	if (writerPlugin == NULL) {
		printf("PluginManager::CreateWriter: dynamic_cast failed\n");
		PutPlugin(plugin);
		return B_ERROR;
	}

	*writer = writerPlugin->NewWriter();
	if (*writer == NULL) {
		printf("PluginManager::CreateWriter: NewWriter failed\n");
		PutPlugin(plugin);
		return B_ERROR;
	}

	(*writer)->Setup(target);
	(*writer)->fMediaPlugin = plugin;

	TRACE("PluginManager::CreateWriter leave\n");
	return B_OK;
}