Esempio n. 1
0
GF_EXPORT
GF_Err gf_modules_close_interface(GF_BaseInterface *ifce)
{
	ModuleInstance *par;
	s32 i;
	if (!ifce) return GF_BAD_PARAM;
	par = (ModuleInstance *) ifce->HPLUG;

	if (!par || !ifce->InterfaceType) return GF_BAD_PARAM;

	i = gf_list_find(par->plugman->plug_list, par);
	if (i<0) return GF_BAD_PARAM;

	i = gf_list_find(par->interfaces, ifce);
	if (i<0) return GF_BAD_PARAM;
	gf_list_rem(par->interfaces, (u32) i);
	par->destroy_func(ifce);
	gf_modules_unload_library(par);
	//GF_LOG(GF_LOG_DEBUG, GF_LOG_CORE, ("[Core] interface %s unloaded\n", ifce->module_name));
	return GF_OK;
}
Esempio n. 2
0
GF_EXPORT
GF_BaseInterface *gf_modules_load_interface(GF_ModuleManager *pm, u32 whichplug, u32 InterfaceFamily)
{
	const char *opt;
	char szKey[32];
	ModuleInstance *inst;
	GF_BaseInterface *ifce;

	if (!pm){
		GF_LOG(GF_LOG_ERROR, GF_LOG_CORE, ("[Core] gf_modules_load_interface() : No Module Manager set\n"));
		return NULL;
	}
	inst = (ModuleInstance *) gf_list_get(pm->plug_list, whichplug);
	if (!inst){
		GF_LOG(GF_LOG_ERROR, GF_LOG_CORE, ("[Core] gf_modules_load_interface() : no module %d exist.\n", whichplug));
		return NULL;
	}
	GF_LOG(GF_LOG_DEBUG, GF_LOG_CORE, ("[Core] Load interface...%s\n", inst->name));
	/*look in cache*/
	if (!pm->cfg){
		GF_LOG(GF_LOG_ERROR, GF_LOG_CORE, ("[Core] No pm->cfg has been set !!!\n"));
		return NULL;
	}
	opt = gf_cfg_get_key(pm->cfg, "PluginsCache", inst->name);
	if (opt) {
		const char * ifce_str = gf_4cc_to_str(InterfaceFamily);
		snprintf(szKey, 32, "%s:yes", ifce_str ? ifce_str : "(null)");
		if (!strstr(opt, szKey)){
			return NULL;
		}
	}
	if (!gf_modules_load_library(inst)) {
		GF_LOG(GF_LOG_ERROR, GF_LOG_CORE, ("[Core] Cannot load library %s\n", inst->name));
		gf_cfg_set_key(pm->cfg, "PluginsCache", inst->name, "Invalid Plugin");
		return NULL;
	}
	if (!inst->query_func) {
		GF_LOG(GF_LOG_ERROR, GF_LOG_CORE, ("[Core] Library %s missing GPAC export symbols\n", inst->name));
		gf_cfg_set_key(pm->cfg, "PluginsCache", inst->name, "Invalid Plugin");
		goto err_exit;
	}

	/*build cache*/
	if (!opt) {
		u32 i;
		Bool found = 0;
		char *key;
		const u32 *si = inst->query_func();
		if (!si) {
			GF_LOG(GF_LOG_WARNING, GF_LOG_CORE, ("[Core] GPAC module %s has no supported interfaces - disabling\n", inst->name));
			gf_cfg_set_key(pm->cfg, "PluginsCache", inst->name, "Invalid Plugin");
			goto err_exit;
		}
		i=0;
		while (si[i]) i++;

		key = gf_malloc(sizeof(char) * 10 * i);
		key[0] = 0;
		i=0;
		while (si[i]) {
			snprintf(szKey, 32, "%s:yes ", gf_4cc_to_str(si[i]));
			strcat(key, szKey);
			if (InterfaceFamily==si[i]) found = 1;
			i++;
		}
		gf_cfg_set_key(pm->cfg, "PluginsCache", inst->name, key);
		gf_free(key);
		if (!found) goto err_exit;
	}

	if (!inst->query_func || !inst->query_func(InterfaceFamily) ) goto err_exit;
	ifce = (GF_BaseInterface *) inst->load_func(InterfaceFamily);
	/*sanity check*/
	if (!ifce) goto err_exit;
#if defined(TARGET_OS_IPHONE) || defined(TARGET_IPHONE_SIMULATOR)
	if (!strcmp(inst->name, "gm_sdl_out.dylib")) {
		if (InterfaceFamily == GF_VIDEO_OUTPUT_INTERFACE) {
			ifce = SDL_Module_Load_Video();
			fprintf(stderr, "***         Loading SDL Video: %p ***\n", ifce);
		} else if (InterfaceFamily == GF_AUDIO_OUTPUT_INTERFACE) {
			ifce = SDL_Module_Load_Audio();
			fprintf(stderr, "***         Loading SDL Audio: %p ***\n", ifce);
		}
	}
#endif
	if (!ifce->module_name || (ifce->InterfaceType != InterfaceFamily)) {
		inst->destroy_func(ifce);
		goto err_exit;
	}
	gf_list_add(inst->interfaces, ifce);
	/*keep track of parent*/
	ifce->HPLUG = inst;
	GF_LOG(GF_LOG_DEBUG, GF_LOG_CORE, ("[Core] Load interface %s DONE.\n", inst->name));
	return ifce;

err_exit:
	GF_LOG(GF_LOG_DEBUG, GF_LOG_CORE, ("[Core] Load interface %s exit label, freing library...\n", inst->name));
	gf_modules_unload_library(inst);
	GF_LOG(GF_LOG_DEBUG, GF_LOG_CORE, ("[Core] Load interface %s EXIT.\n", inst->name));
	return NULL;
}