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;
}
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;
}