static GF_Err ODS_RemoveOD(ODPriv *priv, GF_ODRemove *odR)
{
u32 i;
for (i=0; i< odR->NbODs; i++) {
GF_ObjectManager *odm = gf_scene_find_odm(priv->scene, odR->OD_ID[i]);
if (odm) gf_odm_disconnect(odm, 1);
}
return GF_OK;
}
static void ODS_SetupOD(GF_Scene *scene, GF_ObjectDescriptor *od)
{
GF_ObjectManager *odm;
odm = gf_scene_find_odm(scene, od->objectDescriptorID);
/*remove the old OD*/
if (odm) gf_odm_disconnect(odm, 1);
odm = gf_odm_new();
odm->OD = od;
odm->term = scene->root_od->term;
odm->parentscene = scene;
gf_list_add(scene->resources, odm);
/*locate service owner*/
gf_odm_setup_object(odm, scene->root_od->net_service);
}
static void ODS_SetupOD(GF_InlineScene *is, GF_ObjectDescriptor *od)
{
GF_ObjectManager *odm;
odm = gf_is_find_odm(is, od->objectDescriptorID);
/*remove the old OD*/
if (odm) gf_odm_disconnect(odm, 1);
odm = gf_odm_new();
odm->OD = od;
odm->term = is->root_od->term;
odm->parentscene = is;
gf_list_add(is->ODlist, odm);
/*locate service owner*/
gf_odm_setup_object(odm, is->root_od->net_service);
}
static Bool osd_process(GF_TermExt *termext, u32 action, void *param)
{
const char *opt;
GF_OSD *osd = termext->udta;
switch (action) {
case GF_TERM_EXT_START:
osd->term = (GF_Terminal *) param;
opt = gf_modules_get_option((GF_BaseInterface*)termext, "OSD", "Enabled");
if (opt && strcmp(opt, "yes")) return 0;
/*load scene*/
if (! osd_load_scene(osd)) return 0;
/*attach scene to compositor*/
gf_sc_register_extra_graph(osd->term->compositor, osd->odm->subscene->graph, 0);
/*we are not threaded*/
termext->caps |= GF_TERM_EXTENSION_NOT_THREADED;
osd->refresh_time_ms = 500;
osd->evt_filter.on_event = osd_on_event_play;
osd->evt_filter.udta = osd;
gf_term_add_event_filter(osd->term, &osd->evt_filter);
return 1;
case GF_TERM_EXT_STOP:
osd->text->string.vals[0] = NULL;
/*remove scene to compositor*/
gf_sc_register_extra_graph(osd->term->compositor, osd->odm->subscene->graph, 1);
gf_odm_disconnect(osd->odm, 1);
osd->odm = NULL;
gf_term_remove_event_filter(osd->term, &osd->evt_filter);
osd->term = NULL;
break;
case GF_TERM_EXT_PROCESS:
/*flush all events until current time if reached*/
if ((osd->visible->whichChoice==0) && gf_sys_get_rti(osd->refresh_time_ms, &osd->rti, 0)) {
sprintf(osd->statBuffer, "CPU %02d - FPS %02.2f - MEM "LLU" KB", osd->rti.process_cpu_usage, gf_sc_get_fps(osd->term->compositor, 0), osd->rti.process_memory/1000);
gf_node_dirty_set((GF_Node *) osd->text, GF_SG_NODE_DIRTY, 1);
}
break;
}
return 0;
}
void gf_mo_unload_xlink_resource(GF_Node *node, GF_MediaObject *mo)
{
if (!mo) return;
if (!gf_odm_lock_mo(mo)) return;
if (!mo->odm->subscene) {
gf_odm_lock(mo->odm, 0);
return;
}
if (mo->num_open) {
mo->num_open--;
if (!mo->num_open) {
/*do we simply stop the associated document or unload it??? to check*/
// gf_mo_stop(mo);
gf_odm_disconnect(mo->odm, 2);
return;
}
}
/*ODM may be destroyed at this point !!*/
if (mo->odm) gf_odm_lock(mo->odm, 0);
}
static void term_on_connect(void *user_priv, GF_ClientService *service, LPNETCHANNEL netch, GF_Err err)
{
GF_Channel *ch;
GF_ObjectManager *root;
GET_TERM();
GF_LOG(GF_LOG_DEBUG, GF_LOG_MEDIA, ("[Terminal] %s connection ACK received from %s - %s\n", netch ? "Channel" : "Service", service->url, gf_error_to_string(err) ));
root = service->owner;
if (root && (root->net_service != service)) {
gf_term_message(term, service->url, "Incompatible module type", GF_SERVICE_ERROR);
return;
}
/*this is service connection*/
if (!netch) {
gf_term_service_media_event(service->owner, GF_EVENT_MEDIA_SETUP_DONE);
if (err) {
char msg[5000];
snprintf(msg, sizeof(msg)-1, "Cannot open %s", service->url);
gf_term_message(term, service->url, msg, err);
gf_term_service_media_event(service->owner, GF_EVENT_ERROR);
/*destroy service only if attached*/
if (root) {
gf_term_lock_media_queue(term, 1);
service->ifce->CloseService(service->ifce);
root->net_service = NULL;
if (service->owner && service->nb_odm_users) service->nb_odm_users--;
service->owner = NULL;
/*depends on module: some module could forget to call gf_term_on_disconnect */
if ( gf_list_del_item(term->net_services, service) >= 0) {
/*and queue for destroy*/
gf_list_add(term->net_services_to_remove, service);
}
gf_term_lock_media_queue(term, 0);
if (!root->parentscene) {
GF_Event evt;
evt.type = GF_EVENT_CONNECT;
evt.connect.is_connected = 0;
gf_term_send_event(term, &evt);
} else {
if (root->subscene) gf_scene_notify_event(root->subscene, GF_EVENT_SCENE_ATTACHED, NULL, NULL, err);
/*try to reinsert OD for VRML/X3D with multiple URLs:
1- first remove from parent scene without destroying object, this will trigger a re-setup
if other URLs are present
2- then destroy object*/
gf_scene_remove_object(root->parentscene, root, 0);
gf_odm_disconnect(root, 1);
}
return;
}
}
if (!root) {
/*channel service connect*/
u32 i;
GF_ChannelSetup *cs;
GF_List *ODs;
if (!gf_list_count(term->channels_pending)) {
return;
}
ODs = gf_list_new();
gf_term_lock_net(term, 1);
i=0;
while ((cs = (GF_ChannelSetup*)gf_list_enum(term->channels_pending, &i))) {
if (cs->ch->service != service) continue;
gf_list_rem(term->channels_pending, i-1);
i--;
/*even if error do setup (channel needs to be deleted)*/
if (gf_odm_post_es_setup(cs->ch, cs->dec, err) == GF_OK) {
if (cs->ch->odm && (gf_list_find(ODs, cs->ch->odm)==-1) ) gf_list_add(ODs, cs->ch->odm);
}
gf_free(cs);
}
gf_term_lock_net(term, 0);
/*finally setup all ODs concerned (we do this later in case of scalability)*/
while (gf_list_count(ODs)) {
GF_ObjectManager *odm = (GF_ObjectManager*)gf_list_get(ODs, 0);
gf_list_rem(ODs, 0);
/*force re-setup*/
gf_scene_setup_object(odm->parentscene, odm);
}
gf_list_del(ODs);
} else {
/*setup od*/
gf_odm_setup_entry_point(root, service->url);
}
/*load cache if requested*/
if (!err && term->enable_cache) {
err = gf_term_service_cache_load(service);
/*not a fatal error*/
if (err) gf_term_message(term, "GPAC Cache", "Cannot load cache", err);
}
return;
}
/*this is channel connection*/
ch = gf_term_get_channel(service, netch);
if (!ch) {
GF_LOG(GF_LOG_ERROR, GF_LOG_MEDIA, ("[Terminal] Channel connection ACK error: channel not found\n"));
return;
}
/*confirm channel connection even if error - this allow playback of objects even if not all streams are setup*/
gf_term_lock_net(term, 1);
gf_es_on_connect(ch);
gf_term_lock_net(term, 0);
if (err && ((err!=GF_STREAM_NOT_FOUND) || (ch->esd->decoderConfig->streamType!=GF_STREAM_INTERACT))) {
GF_LOG(GF_LOG_ERROR, GF_LOG_MEDIA, ("[Terminal] Channel %d connection error: %s\n", ch->esd->ESID, gf_error_to_string(err) ));
ch->es_state = GF_ESM_ES_UNAVAILABLE;
/* return;*/
}
if (ch->odm->mo) {
GF_LOG(GF_LOG_DEBUG, GF_LOG_MEDIA, ("[Terminal] Channel %d connected - %d objects opened\n", ch->esd->ESID, ch->odm->mo->num_open ));
} else {
GF_LOG(GF_LOG_DEBUG, GF_LOG_MEDIA, ("[Terminal] Channel %d connected - not attached to the scene\n", ch->esd->ESID));
}
/*Plays request are skiped until all channels are connected. We send a PLAY on the objecy in case
1-OD user has requested a play
2-this is a channel of the root OD
*/
if ( (ch->odm->mo && ch->odm->mo->num_open)
|| !ch->odm->parentscene
) {
gf_odm_start(ch->odm, 0);
}
#if 0
else if (ch->odm->codec && ch->odm->codec->ck && ch->odm->codec->ck->no_time_ctrl) {
gf_odm_play(ch->odm);
}
#endif
}
void gf_inline_on_modified(GF_Node *node)
{
u32 ODID;
GF_MediaObject *mo;
M_Inline *pInline = (M_Inline *) node;
GF_Scene *scene = (GF_Scene *)gf_node_get_private(node);
ODID = gf_mo_get_od_id(&pInline->url);
if (scene) {
mo = (scene->root_od) ? scene->root_od->mo : NULL;
/*disconnect current inline if we're the last one using it (same as regular OD session leave/join)*/
if (mo) {
Bool changed = 1;
if (ODID != GF_MEDIA_EXTERNAL_ID) {
if (ODID && (ODID==scene->root_od->OD->objectDescriptorID)) changed = 0;
} else {
if (gf_mo_is_same_url(mo, &pInline->url, NULL, 0) ) changed = 0;
}
if (mo->num_open) {
if (!changed) return;
gf_scene_notify_event(scene, GF_EVENT_UNLOAD, node, NULL, GF_OK);
gf_node_dirty_parents(node);
gf_list_del_item(mo->nodes, node);
/*reset the scene pointer as it may get destroyed*/
switch (gf_node_get_tag(node)) {
case TAG_MPEG4_Inline:
#ifndef GPAC_DISABLE_X3D
case TAG_X3D_Inline:
#endif
gf_node_set_private(node, NULL);
break;
}
mo->num_open --;
if (!mo->num_open) {
if (ODID == GF_MEDIA_EXTERNAL_ID) {
GF_Scene *parent = scene->root_od->parentscene;
/*!!! THIS WILL DESTROY THE INLINE SCENE OBJECT !!!*/
gf_odm_disconnect(scene->root_od, 1);
/*and force removal of the media object*/
if (parent) {
if (gf_list_del_item(parent->scene_objects, mo)>=0) {
gf_sg_vrml_mf_reset(&mo->URLs, GF_SG_VRML_MFURL);
gf_list_del(mo->nodes);
gf_free(mo);
}
}
} else {
gf_term_lock_media_queue(scene->root_od->term, 1);
/*external media are completely unloaded*/
if (scene->root_od->OD->objectDescriptorID==GF_MEDIA_EXTERNAL_ID) {
scene->root_od->action_type = GF_ODM_ACTION_DELETE;
} else {
scene->root_od->action_type = GF_ODM_ACTION_STOP;
}
if (gf_list_find(scene->root_od->term->media_queue, scene->root_od)<0)
gf_list_add(scene->root_od->term->media_queue, scene->root_od);
gf_term_lock_media_queue(scene->root_od->term, 0);
}
}
}
}
} else {
gf_node_dirty_parents(node);
}
if (ODID) gf_inline_set_scene(pInline);
}
static GF_Err CTXLoad_ProcessData(GF_SceneDecoder *plug, const char *inBuffer, u32 inBufferLength,
u16 ES_ID, u32 stream_time, u32 mmlevel)
{
GF_Err e = GF_OK;
u32 i, j, k, nb_updates, last_rap=0;
GF_AUContext *au;
Bool can_delete_com;
GF_StreamContext *sc;
CTXLoadPriv *priv = (CTXLoadPriv *)plug->privateStack;
/*something failed*/
if (priv->load_flags==3) return GF_EOS;
/*this signals main scene deconnection, destroy the context if needed*/
assert(ES_ID);
if (!priv->ctx) {
e = CTXLoad_Setup((GF_BaseDecoder *)plug);
if (e) return e;
}
if (stream_time==(u32)-1) {
/*seek on root stream: destroy the context manager and reload it. We cannot seek on the main stream
because commands may have changed node attributes/children and we d'ont track the initial value*/
if (priv->load_flags && (priv->base_stream_id == ES_ID)) {
if (priv->src) gf_fclose(priv->src);
priv->src = NULL;
gf_sm_load_done(&priv->load);
priv->file_pos = 0;
/*queue scene for detach*/
gf_term_lock_media_queue(priv->scene->root_od->term, GF_TRUE);
priv->scene->root_od->action_type = GF_ODM_ACTION_SCENE_RECONNECT;
gf_list_add(priv->scene->root_od->term->media_queue, priv->scene->root_od);
gf_term_lock_media_queue(priv->scene->root_od->term, GF_FALSE);
return CTXLoad_Setup((GF_BaseDecoder *)plug);
}
i=0;
while ((sc = (GF_StreamContext *)gf_list_enum(priv->ctx->streams, &i))) {
/*not our stream*/
if (!sc->in_root_od && (sc->ESID != ES_ID)) continue;
/*not the base stream*/
if (sc->in_root_od && (priv->base_stream_id != ES_ID)) continue;
/*handle SWF media extraction*/
if ((sc->streamType == GF_STREAM_OD) && (priv->load_flags==1)) continue;
sc->last_au_time = 0;
}
return GF_OK;
}
if (priv->load_flags != 2) {
if (priv->progressive_support) {
u32 entry_time;
char file_buf[4096+1];
if (!priv->src) {
priv->src = gf_fopen(priv->file_name, "rb");
if (!priv->src) return GF_URL_ERROR;
priv->file_pos = 0;
}
priv->load.type = GF_SM_LOAD_XMTA;
e = GF_OK;
entry_time = gf_sys_clock();
gf_fseek(priv->src, priv->file_pos, SEEK_SET);
while (1) {
u32 diff;
s32 nb_read = (s32) fread(file_buf, 1, 4096, priv->src);
if (nb_read<0) {
return GF_IO_ERR;
}
file_buf[nb_read] = 0;
if (!nb_read) {
if (priv->file_pos==priv->file_size) {
gf_fclose(priv->src);
priv->src = NULL;
priv->load_flags = 2;
gf_sm_load_done(&priv->load);
break;
}
break;
}
e = gf_sm_load_string(&priv->load, file_buf, GF_FALSE);
priv->file_pos += nb_read;
if (e) break;
diff = gf_sys_clock() - entry_time;
if (diff > priv->sax_max_duration) break;
}
if (!priv->scene->graph_attached) {
gf_sg_set_scene_size_info(priv->scene->graph, priv->ctx->scene_width, priv->ctx->scene_height, priv->ctx->is_pixel_metrics);
gf_scene_attach_to_compositor(priv->scene);
CTXLoad_CheckStreams(priv);
}
}
/*load first frame only*/
else if (!priv->load_flags) {
/*we need the whole file*/
if (!CTXLoad_CheckDownload(priv)) return GF_OK;
priv->load_flags = 1;
e = gf_sm_load_init(&priv->load);
if (!e) {
CTXLoad_CheckStreams(priv);
gf_sg_set_scene_size_info(priv->scene->graph, priv->ctx->scene_width, priv->ctx->scene_height, priv->ctx->is_pixel_metrics);
/*VRML, override base clock*/
if ((priv->load.type==GF_SM_LOAD_VRML) || (priv->load.type==GF_SM_LOAD_X3DV) || (priv->load.type==GF_SM_LOAD_X3D)) {
/*override clock callback*/
gf_sg_set_scene_time_callback(priv->scene->graph, CTXLoad_GetVRMLTime);
}
}
}
/*load the rest*/
else {
priv->load_flags = 2;
e = gf_sm_load_run(&priv->load);
gf_sm_load_done(&priv->load);
/*in case this was not set in the first pass (XMT)*/
gf_sg_set_scene_size_info(priv->scene->graph, priv->ctx->scene_width, priv->ctx->scene_height, priv->ctx->is_pixel_metrics);
}
if (e<0) {
gf_sm_load_done(&priv->load);
gf_sm_del(priv->ctx);
priv->ctx = NULL;
priv->load_flags = 3;
return e;
}
/*and figure out duration of root scene, and take care of XMT timing*/
if (priv->load_flags==2) {
CTXLoad_CheckStreams(priv);
if (!gf_list_count(priv->ctx->streams)) {
gf_scene_attach_to_compositor(priv->scene);
}
}
}
nb_updates = 0;
i=0;
while ((sc = (GF_StreamContext *)gf_list_enum(priv->ctx->streams, &i))) {
/*not our stream*/
if (!sc->in_root_od && (sc->ESID != ES_ID)) continue;
/*not the base stream*/
if (sc->in_root_od && (priv->base_stream_id != ES_ID)) continue;
/*handle SWF media extraction*/
if ((sc->streamType == GF_STREAM_OD) && (priv->load_flags==1)) continue;
/*check for seek*/
if (sc->last_au_time > 1 + stream_time) {
sc->last_au_time = 0;
}
can_delete_com = GF_FALSE;
if (sc->in_root_od && (priv->load_flags==2)) can_delete_com = GF_TRUE;
/*we're in the right stream, apply update*/
j=0;
/*seek*/
if (!sc->last_au_time) {
while ((au = (GF_AUContext *)gf_list_enum(sc->AUs, &j))) {
u32 au_time = (u32) (au->timing*1000/sc->timeScale);
if (au_time > stream_time)
break;
if (au->flags & GF_SM_AU_RAP) last_rap = j-1;
}
j = last_rap;
}
while ((au = (GF_AUContext *)gf_list_enum(sc->AUs, &j))) {
u32 au_time = (u32) (au->timing*1000/sc->timeScale);
if (au_time + 1 <= sc->last_au_time) {
/*remove first replace command*/
if (can_delete_com && (sc->streamType==GF_STREAM_SCENE)) {
while (gf_list_count(au->commands)) {
GF_Command *com = (GF_Command *)gf_list_get(au->commands, 0);
gf_list_rem(au->commands, 0);
gf_sg_command_del(com);
}
j--;
gf_list_rem(sc->AUs, j);
gf_list_del(au->commands);
gf_free(au);
}
continue;
}
if (au_time > stream_time) {
nb_updates++;
break;
}
if (sc->streamType == GF_STREAM_SCENE) {
GF_Command *com;
/*apply the commands*/
k=0;
while ((com = (GF_Command *)gf_list_enum(au->commands, &k))) {
e = gf_sg_command_apply(priv->scene->graph, com, 0);
if (e) break;
/*remove commands on base layer*/
if (can_delete_com) {
k--;
gf_list_rem(au->commands, k);
gf_sg_command_del(com);
}
}
}
else if (sc->streamType == GF_STREAM_OD) {
/*apply the commands*/
while (gf_list_count(au->commands)) {
Bool keep_com = GF_FALSE;
GF_ODCom *com = (GF_ODCom *)gf_list_get(au->commands, 0);
gf_list_rem(au->commands, 0);
switch (com->tag) {
case GF_ODF_OD_UPDATE_TAG:
{
GF_ODUpdate *odU = (GF_ODUpdate *)com;
while (gf_list_count(odU->objectDescriptors)) {
GF_ESD *esd;
char *remote;
GF_MuxInfo *mux = NULL;
GF_ObjectDescriptor *od = (GF_ObjectDescriptor *)gf_list_get(odU->objectDescriptors, 0);
gf_list_rem(odU->objectDescriptors, 0);
/*we can only work with single-stream ods*/
esd = (GF_ESD*)gf_list_get(od->ESDescriptors, 0);
if (!esd) {
if (od->URLString) {
ODS_SetupOD(priv->scene, od);
} else {
gf_odf_desc_del((GF_Descriptor *) od);
}
continue;
}
/*fix OCR dependencies*/
if (CTXLoad_StreamInRootOD(priv->ctx->root_od, esd->OCRESID)) esd->OCRESID = priv->base_stream_id;
/*forbidden if ESD*/
if (od->URLString) {
gf_odf_desc_del((GF_Descriptor *) od);
continue;
}
/*look for MUX info*/
k=0;
while ((mux = (GF_MuxInfo*)gf_list_enum(esd->extensionDescriptors, &k))) {
if (mux->tag == GF_ODF_MUXINFO_TAG) break;
mux = NULL;
}
/*we need a mux if not animation stream*/
if (!mux || !mux->file_name) {
/*only animation streams are handled*/
if (!esd->decoderConfig) {
gf_odf_desc_del((GF_Descriptor *) od);
} else if (esd->decoderConfig->streamType==GF_STREAM_SCENE) {
/*set ST to private scene to get sure the stream will be redirected to us*/
esd->decoderConfig->streamType = GF_STREAM_PRIVATE_SCENE;
esd->dependsOnESID = priv->base_stream_id;
ODS_SetupOD(priv->scene, od);
} else if (esd->decoderConfig->streamType==GF_STREAM_INTERACT) {
GF_UIConfig *cfg = (GF_UIConfig *) esd->decoderConfig->decoderSpecificInfo;
gf_odf_encode_ui_config(cfg, &esd->decoderConfig->decoderSpecificInfo);
gf_odf_desc_del((GF_Descriptor *) cfg);
ODS_SetupOD(priv->scene, od);
} else {
gf_odf_desc_del((GF_Descriptor *) od);
}
continue;
}
//solve url before import
if (mux->src_url) {
char *res_url = gf_url_concatenate(mux->src_url, mux->file_name);
if (res_url) {
gf_free(mux->file_name);
mux->file_name = res_url;
}
gf_free(mux->src_url);
mux->src_url = NULL;
}
/*text import*/
if (mux->textNode) {
#ifdef GPAC_DISABLE_MEDIA_IMPORT
gf_odf_desc_del((GF_Descriptor *) od);
continue;
#else
e = gf_sm_import_bifs_subtitle(priv->ctx, esd, mux);
if (e) {
e = GF_OK;
gf_odf_desc_del((GF_Descriptor *) od);
continue;
}
/*set ST to private scene and dependency to base to get sure the stream will be redirected to us*/
esd->decoderConfig->streamType = GF_STREAM_PRIVATE_SCENE;
esd->dependsOnESID = priv->base_stream_id;
ODS_SetupOD(priv->scene, od);
continue;
#endif
}
/*soundstreams are a bit of a pain, they may be declared before any data gets written*/
if (mux->delete_file) {
FILE *t = gf_fopen(mux->file_name, "rb");
if (!t) {
keep_com = GF_TRUE;
gf_list_insert(odU->objectDescriptors, od, 0);
break;
}
gf_fclose(t);
}
/*remap to remote URL - warning, the URL has already been resolved according to the parent path*/
remote = (char*)gf_malloc(sizeof(char) * (strlen("gpac://")+strlen(mux->file_name)+1) );
strcpy(remote, "gpac://");
strcat(remote, mux->file_name);
k = od->objectDescriptorID;
/*if files were created we'll have to clean up (swf import)*/
if (mux->delete_file) gf_list_add(priv->files_to_delete, gf_strdup(remote));
gf_odf_desc_del((GF_Descriptor *) od);
od = (GF_ObjectDescriptor *) gf_odf_desc_new(GF_ODF_OD_TAG);
od->URLString = remote;
od->objectDescriptorID = k;
ODS_SetupOD(priv->scene, od);
}
if (keep_com) break;
}
break;
case GF_ODF_OD_REMOVE_TAG:
{
GF_ODRemove *odR = (GF_ODRemove*)com;
for (k=0; k<odR->NbODs; k++) {
GF_ObjectManager *odm = gf_scene_find_odm(priv->scene, odR->OD_ID[k]);
if (odm) gf_odm_disconnect(odm, 1);
}
}
break;
default:
break;
}
if (keep_com) {
gf_list_insert(au->commands, com, 0);
break;
} else {
gf_odf_com_del(&com);
}
if (e) break;
}
}
sc->last_au_time = au_time + 1;
/*attach graph to renderer*/
if (!priv->scene->graph_attached)
gf_scene_attach_to_compositor(priv->scene);
if (e) return e;
/*for root streams remove completed AUs (no longer needed)*/
if (sc->in_root_od && !gf_list_count(au->commands) ) {
j--;
gf_list_rem(sc->AUs, j);
gf_list_del(au->commands);
gf_free(au);
}
}
}
if (e) return e;
if ((priv->load_flags==2) && !nb_updates) return GF_EOS;
return GF_OK;
}
void gf_inline_on_modified(GF_Node *node)
{
u32 ODID;
GF_MediaObject *mo;
M_Inline *pInline = (M_Inline *) node;
GF_Scene *scene = (GF_Scene *)gf_node_get_private(node);
ODID = gf_mo_get_od_id(&pInline->url);
if (scene) {
mo = (scene->root_od) ? scene->root_od->mo : NULL;
/*disconnect current inline if we're the last one using it (same as regular OD session leave/join)*/
if (mo) {
Bool changed = GF_TRUE;
if (ODID != GF_MEDIA_EXTERNAL_ID) {
if (ODID && (ODID==scene->root_od->OD->objectDescriptorID)) changed = GF_FALSE;
} else {
if (gf_mo_is_same_url(mo, &pInline->url, NULL, 0) ) changed = GF_FALSE;
}
if (mo->num_open) {
if (!changed) return;
gf_scene_notify_event(scene, GF_EVENT_UNLOAD, node, NULL, GF_OK, GF_TRUE);
gf_node_dirty_parents(node);
gf_mo_event_target_remove_by_node(mo, node);
/*reset the scene pointer as it may get destroyed*/
switch (gf_node_get_tag(node)) {
case TAG_MPEG4_Inline:
#ifndef GPAC_DISABLE_X3D
case TAG_X3D_Inline:
#endif
gf_node_set_private(node, NULL);
break;
}
mo->num_open --;
if (!mo->num_open) {
if (ODID == GF_MEDIA_EXTERNAL_ID) {
GF_Scene *parent = scene->root_od->parentscene;
/*!!! THIS WILL DESTROY THE INLINE SCENE OBJECT !!!*/
gf_odm_disconnect(scene->root_od, GF_TRUE);
/*and force removal of the media object*/
if (parent) {
if (gf_list_del_item(parent->scene_objects, mo)>=0) {
gf_sg_vrml_mf_reset(&mo->URLs, GF_SG_VRML_MFURL);
gf_mo_del(mo);
}
}
} else {
gf_term_lock_media_queue(scene->root_od->term, GF_TRUE);
/*external media are completely unloaded, except addons which are only declared once */
if (!scene->root_od->addon && (scene->root_od->OD->objectDescriptorID==GF_MEDIA_EXTERNAL_ID)) {
scene->root_od->action_type = GF_ODM_ACTION_DELETE;
} else {
scene->root_od->action_type = GF_ODM_ACTION_STOP;
}
if (gf_list_find(scene->root_od->term->media_queue, scene->root_od)<0)
gf_list_add(scene->root_od->term->media_queue, scene->root_od);
gf_term_lock_media_queue(scene->root_od->term, GF_FALSE);
}
}
}
}
}
/*force a redraw and load scene at next pass - we cannot load the scene now because
- we can be in a JS call (eg JS mutex blocked)
- locating scene objects matching the new url needs exclusive access to the MediaObject list, achieved with the term net mutex
- another service may already be setting up objects (eg exclusive access to the net mutex grabbed), which can trigger event forwarding
- some event forwarders may request JS context (eg access to JS mutex)
In such a case we would end up in a deadlock - this needs urgent fixing ...
*/
if (ODID) {
/*if no parent we must process the url change as we may not be traversed later on (not in the scene tree)*/
if (gf_node_get_parent(node, 0)==NULL) {
gf_inline_set_scene(pInline);
} else {
gf_node_dirty_parents(node);
}
}
}
