static void SVG_Update_image(GF_TextureHandler *txh)
{
MFURL *txurl = &(((SVG_video_stack *)gf_node_get_private(txh->owner))->txurl);
/*setup texture if needed*/
if (!txh->is_open && txurl->count) {
gf_sc_texture_play_from_to(txh, txurl, 0, -1, GF_FALSE, GF_FALSE);
}
gf_sc_texture_update_frame(txh, GF_FALSE);
/*URL is present but not opened - redraw till fetch*/
if (txh->stream && (!txh->tx_io || txh->needs_refresh) ) {
/*mark all subtrees using this image as dirty*/
gf_node_dirty_parents(txh->owner);
gf_sc_invalidate(txh->compositor, NULL);
}
}
static void gf_seng_on_node_modified(void *_seng, u32 type, GF_Node *node, void *ctxdata)
{
switch (type) {
#ifndef GPAC_DISABLE_VRML
case GF_SG_CALLBACK_INIT:
if (gf_node_get_tag(node) == TAG_MPEG4_Conditional) {
M_Conditional*c = (M_Conditional*)node;
c->on_activate = seng_conditional_activate;
c->on_reverseActivate = seng_conditional_reverse_activate;
gf_node_set_private(node, _seng);
}
break;
#endif
case GF_SG_CALLBACK_MODIFIED:
gf_node_dirty_parents(node);
break;
}
}
static void movietexture_update(GF_TextureHandler *txh)
{
M_MovieTexture *txnode = (M_MovieTexture *) txh->owner;
MovieTextureStack *st = (MovieTextureStack *) gf_node_get_private(txh->owner);
/*setup texture if needed*/
if (!txh->is_open) return;
if (!txnode->isActive && st->first_frame_fetched) return;
/*when fetching the first frame disable resync*/
gf_sc_texture_update_frame(txh, 0);
if (txh->stream_finished) {
if (movietexture_get_loop(st, txnode)) {
gf_sc_texture_restart(txh);
}
/*if active deactivate*/
else if (txnode->isActive && gf_mo_should_deactivate(st->txh.stream) ) {
movietexture_deactivate(st, txnode);
}
}
/*first frame is fetched*/
if (!st->first_frame_fetched && (txh->needs_refresh) ) {
st->first_frame_fetched = 1;
txnode->duration_changed = gf_mo_get_duration(txh->stream);
gf_node_event_out(txh->owner, 7/*"duration_changed"*/);
/*stop stream if needed*/
if (!txnode->isActive && txh->is_open) {
gf_mo_pause(txh->stream);
/*make sure the refresh flag is not cleared*/
txh->needs_refresh = 1;
gf_sc_invalidate(txh->compositor, NULL);
}
}
if (txh->needs_refresh) {
/*mark all subtrees using this image as dirty*/
gf_node_dirty_parents(txh->owner);
}
}
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 void imagetexture_update(GF_TextureHandler *txh)
{
if (gf_node_get_tag(txh->owner)!=TAG_MPEG4_CacheTexture) {
MFURL url = ((M_ImageTexture *) txh->owner)->url;
/*setup texture if needed*/
if (!txh->is_open && url.count) {
gf_sc_texture_play(txh, &url);
}
gf_sc_texture_update_frame(txh, 0);
if (
/*URL is present but not opened - redraw till fetch*/
/* (txh->stream && !txh->tx_io) && */
/*image has been updated*/
txh->needs_refresh) {
/*mark all subtrees using this image as dirty*/
gf_node_dirty_parents(txh->owner);
gf_sc_invalidate(txh->compositor, NULL);
}
return;
}
/*cache texture case*/
else {
M_CacheTexture *ct = (M_CacheTexture *) txh->owner;
/*decode cacheTexture data */
if ((ct->data || ct->image.buffer) && !txh->data) {
#ifndef GPAC_DISABLE_AV_PARSERS
u32 out_size;
GF_Err e;
/*BT/XMT playback: load to memory*/
if (ct->image.buffer) {
char *par = (char *) gf_scene_get_service_url( gf_node_get_graph(txh->owner ) );
char *src_url = gf_url_concatenate(par, ct->image.buffer);
FILE *test = gf_fopen( src_url ? src_url : ct->image.buffer, "rb");
if (test) {
fseek(test, 0, SEEK_END);
ct->data_len = (u32) gf_ftell(test);
ct->data = gf_malloc(sizeof(char)*ct->data_len);
fseek(test, 0, SEEK_SET);
if (ct->data_len != fread(ct->data, 1, ct->data_len, test)) {
GF_LOG(GF_LOG_ERROR, GF_LOG_COMPOSE, ("[Compositor] Failed to load CacheTexture data from file %s: IO err\n", src_url ? src_url : ct->image.buffer ) );
gf_free(ct->data);
ct->data = NULL;
ct->data_len = 0;
}
gf_fclose(test);
} else {
GF_LOG(GF_LOG_ERROR, GF_LOG_COMPOSE, ("[Compositor] Failed to load CacheTexture data from file %s: not found\n", src_url ? src_url : ct->image.buffer ) );
}
ct->image.buffer = NULL;
if (src_url) gf_free(src_url);
}
/*BIFS decoded playback*/
switch (ct->objectTypeIndication) {
case GPAC_OTI_IMAGE_JPEG:
out_size = 0;
e = gf_img_jpeg_dec((char *) ct->data, ct->data_len, &txh->width, &txh->height, &txh->pixelformat, NULL, &out_size, 3);
if (e==GF_BUFFER_TOO_SMALL) {
u32 BPP;
txh->data = gf_malloc(sizeof(char) * out_size);
if (txh->pixelformat==GF_PIXEL_GREYSCALE) BPP = 1;
else BPP = 3;
e = gf_img_jpeg_dec((char *) ct->data, ct->data_len, &txh->width, &txh->height, &txh->pixelformat, txh->data, &out_size, BPP);
if (e==GF_OK) {
gf_sc_texture_allocate(txh);
gf_sc_texture_set_data(txh);
txh->needs_refresh = 1;
txh->stride = out_size / txh->height;
}
}
break;
case GPAC_OTI_IMAGE_PNG:
out_size = 0;
e = gf_img_png_dec((char *) ct->data, ct->data_len, &txh->width, &txh->height, &txh->pixelformat, NULL, &out_size);
if (e==GF_BUFFER_TOO_SMALL) {
txh->data = gf_malloc(sizeof(char) * out_size);
e = gf_img_png_dec((char *) ct->data, ct->data_len, &txh->width, &txh->height, &txh->pixelformat, txh->data, &out_size);
if (e==GF_OK) {
gf_sc_texture_allocate(txh);
gf_sc_texture_set_data(txh);
txh->needs_refresh = 1;
txh->stride = out_size / txh->height;
}
}
break;
}
#endif // GPAC_DISABLE_AV_PARSERS
/*cacheURL is specified, store the image*/
if (ct->cacheURL.buffer) {
u32 i;
u8 hash[20];
FILE *cached_texture;
char szExtractName[GF_MAX_PATH], section[64], *opt, *src_url;
opt = (char *) gf_cfg_get_key(txh->compositor->user->config, "General", "CacheDirectory");
if (opt) {
strcpy(szExtractName, opt);
} else {
opt = gf_get_default_cache_directory();
strcpy(szExtractName, opt);
gf_free(opt);
}
strcat(szExtractName, "/");
src_url = (char *) gf_scene_get_service_url( gf_node_get_graph(txh->owner ) );
gf_sha1_csum((u8 *)src_url, (u32) strlen(src_url), hash);
for (i=0; i<20; i++) {
char t[3];
t[2] = 0;
sprintf(t, "%02X", hash[i]);
strcat(szExtractName, t);
}
strcat(szExtractName, "_");
strcat(szExtractName, ct->cacheURL.buffer);
cached_texture = gf_fopen(szExtractName, "wb");
if (cached_texture) {
gf_fwrite(ct->data, 1, ct->data_len, cached_texture);
gf_fclose(cached_texture);
}
/*and write cache info*/
if (ct->expirationDate!=0) {
sprintf(section, "@cache=%p", ct);
gf_cfg_set_key(txh->compositor->user->config, section, "serviceURL", src_url);
gf_cfg_set_key(txh->compositor->user->config, section, "cacheFile", szExtractName);
gf_cfg_set_key(txh->compositor->user->config, section, "cacheName", ct->cacheURL.buffer);
if (ct->expirationDate>0) {
char exp[50];
u32 sec, frac;
gf_net_get_ntp(&sec, &frac);
sec += ct->expirationDate;
sprintf(exp, "%u", sec);
gf_cfg_set_key(txh->compositor->user->config, section, "expireAfterNTP", exp);
} else {
gf_cfg_set_key(txh->compositor->user->config, section, "expireAfterNTP", "0");
}
}
}
/*done with image, destroy buffer*/
if (ct->data) gf_free(ct->data);
ct->data = NULL;
ct->data_len = 0;
}
}
}
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);
}
}
}
