GF_Err gf_bifs_enc_mf_field(GF_BifsEncoder *codec, GF_BitStream *bs, GF_Node *node, GF_FieldInfo *field)
{
GF_ChildNodeItem *list = NULL;
GF_Err e;
u32 nbBits, qp_local;
Bool use_list, qp_on, initial_qp;
u32 nbF, i;
GF_FieldInfo sffield;
nbF = 0;
if (field->fieldType != GF_SG_VRML_MFNODE) {
nbF = field->far_ptr ? ((GenMFField *)field->far_ptr)->count : 0;
if (!nbF && (field->fieldType == GF_SG_VRML_MFSCRIPT))
nbF = 1;
} else if (field->far_ptr) {
list = *((GF_ChildNodeItem **)field->far_ptr);
nbF = gf_node_list_get_count(list);
}
/*reserved*/
GF_BIFS_WRITE_INT(codec, bs, 0, 1, "reserved", NULL);
if (!nbF) {
/*is list*/
GF_BIFS_WRITE_INT(codec, bs, 1, 1, "isList", NULL);
/*end flag*/
GF_BIFS_WRITE_INT(codec, bs, 1, 1, "end", NULL);
return GF_OK;
}
/*do we work in list or vector*/
use_list = GF_FALSE;
nbBits = gf_get_bit_size(nbF);
if (nbBits + 5 > nbF + 1) use_list = GF_TRUE;
GF_BIFS_WRITE_INT(codec, bs, use_list, 1, "isList", NULL);
if (!use_list) {
GF_BIFS_WRITE_INT(codec, bs, nbBits, 5, "nbBits", NULL);
GF_BIFS_WRITE_INT(codec, bs, nbF, nbBits, "length", NULL);
}
memset(&sffield, 0, sizeof(GF_FieldInfo));
sffield.fieldIndex = field->fieldIndex;
sffield.fieldType = gf_sg_vrml_get_sf_type(field->fieldType);
sffield.NDTtype = field->NDTtype;
initial_qp = qp_on = GF_FALSE;
qp_local = 0;
initial_qp = codec->ActiveQP ? GF_TRUE : GF_FALSE;
for (i=0; i<nbF; i++) {
if (use_list) GF_BIFS_WRITE_INT(codec, bs, 0, 1, "end", NULL);
if (field->fieldType != GF_SG_VRML_MFNODE) {
gf_sg_vrml_mf_get_item(field->far_ptr, field->fieldType, &sffield.far_ptr, i);
e = gf_bifs_enc_sf_field(codec, bs, node, &sffield);
} else {
assert(list);
e = gf_bifs_enc_node(codec, list->node, field->NDTtype, bs, node);
/*activate QP*/
if (list->node->sgprivate->tag == TAG_MPEG4_QuantizationParameter) {
qp_local = ((M_QuantizationParameter *)list->node)->isLocal;
if (qp_on) gf_bifs_enc_qp_remove(codec, GF_FALSE);
e = gf_bifs_enc_qp_set(codec, list->node);
if (e) return e;
qp_on = GF_TRUE;
if (qp_local) qp_local = 2;
}
list = list->next;
}
if (e) return e;
if (qp_on && qp_local) {
if (qp_local == 2) qp_local -= 1;
else {
gf_bifs_enc_qp_remove(codec, initial_qp);
qp_local = qp_on = GF_FALSE;
}
}
}
if (use_list) GF_BIFS_WRITE_INT(codec, bs, 1, 1, "end", NULL);
if (qp_on) gf_bifs_enc_qp_remove(codec, initial_qp);
/*for QP14*/
gf_bifs_enc_qp14_set_length(codec, nbF);
return GF_OK;
}
GF_Err gf_bifs_enc_commands(GF_BifsEncoder *codec, GF_List *comList, GF_BitStream *bs)
{
u32 i;
u32 count;
GF_List *routes;
GF_Err e = GF_OK;
routes = NULL;
codec->LastError = GF_OK;
count = gf_list_count(comList);
for (i=0; i<count; i++) {
GF_Command *com = (GF_Command*)gf_list_get(comList, i);
switch (com->tag) {
case GF_SG_SCENE_REPLACE:
{
/*reset node context*/
while (gf_list_count(codec->encoded_nodes)) gf_list_rem(codec->encoded_nodes, 0);
GF_BIFS_WRITE_INT(codec, bs, 3, 2, "SceneReplace", NULL);
if (!com->aggregated) {
routes = gf_list_new();
/*now the trick: get all following InsertRoutes and convert as routes*/
for (; i<count-1; i++) {
GF_Route *r;
GF_Command *rcom = (GF_Command*)gf_list_get(comList, i+1);
if (rcom->tag!=GF_SG_ROUTE_INSERT) break;
GF_SAFEALLOC(r, GF_Route);
r->FromField.fieldIndex = rcom->fromFieldIndex;
r->FromNode = gf_sg_find_node(codec->scene_graph, rcom->fromNodeID);
r->ToField.fieldIndex = rcom->toFieldIndex;
r->ToNode = gf_sg_find_node(codec->scene_graph, rcom->toNodeID);
r->ID = rcom->RouteID;
r->name = rcom->def_name;
gf_list_add(routes, r);
}
e = BE_SceneReplaceEx(codec, com, bs, routes);
while (gf_list_count(routes)) {
GF_Route *r = (GF_Route*)gf_list_get(routes, 0);
gf_list_rem(routes, 0);
gf_free(r);
}
gf_list_del(routes);
} else {
e = BE_SceneReplaceEx(codec, com, bs, codec->scene_graph->Routes);
}
}
break;
/*replace commands*/
case GF_SG_NODE_REPLACE:
GF_BIFS_WRITE_INT(codec, bs, 2, 2, "Replace", NULL);
GF_BIFS_WRITE_INT(codec, bs, 0, 2, "Node", NULL);
e = BE_NodeReplace(codec, com, bs);
break;
case GF_SG_FIELD_REPLACE:
GF_BIFS_WRITE_INT(codec, bs, 2, 2, "Replace", NULL);
GF_BIFS_WRITE_INT(codec, bs, 1, 2, "Field", NULL);
e = BE_FieldReplace(codec, com, bs);
break;
case GF_SG_INDEXED_REPLACE:
GF_BIFS_WRITE_INT(codec, bs, 2, 2, "Replace", NULL);
GF_BIFS_WRITE_INT(codec, bs, 2, 2, "FieldIndex", NULL);
e = BE_IndexFieldReplace(codec, com, bs);
break;
case GF_SG_ROUTE_REPLACE:
GF_BIFS_WRITE_INT(codec, bs, 2, 2, "Replace", NULL);
GF_BIFS_WRITE_INT(codec, bs, 3, 2, "Route", NULL);
e = BE_RouteReplace(codec, com, bs, 0);
break;
case GF_SG_NODE_INSERT:
GF_BIFS_WRITE_INT(codec, bs, 0, 2, "Insert", NULL);
GF_BIFS_WRITE_INT(codec, bs, 0, 2, "Node", NULL);
e = BE_NodeInsert(codec, com, bs);
break;
case GF_SG_INDEXED_INSERT:
GF_BIFS_WRITE_INT(codec, bs, 0, 2, "Insert", NULL);
GF_BIFS_WRITE_INT(codec, bs, 2, 2, "FieldIndex", NULL);
e = BE_IndexInsert(codec, com, bs);
break;
case GF_SG_ROUTE_INSERT:
GF_BIFS_WRITE_INT(codec, bs, 0, 2, "Insert", NULL);
GF_BIFS_WRITE_INT(codec, bs, 3, 2, "Route", NULL);
e = BE_RouteReplace(codec, com, bs, 1);
break;
case GF_SG_NODE_DELETE:
GF_BIFS_WRITE_INT(codec, bs, 1, 2, "Delete", NULL);
GF_BIFS_WRITE_INT(codec, bs, 0, 2, "Node", NULL);
GF_BIFS_WRITE_INT(codec, bs, gf_node_get_id(com->node) - 1, codec->info->config.NodeIDBits, "NodeID", NULL);
break;
case GF_SG_INDEXED_DELETE:
GF_BIFS_WRITE_INT(codec, bs, 1, 2, "Delete", NULL);
GF_BIFS_WRITE_INT(codec, bs, 2, 2, "FieldIndex", NULL);
e = BE_IndexDelete(codec, com, bs);
break;
case GF_SG_ROUTE_DELETE:
GF_BIFS_WRITE_INT(codec, bs, 1, 2, "Delete", NULL);
GF_BIFS_WRITE_INT(codec, bs, 3, 2, "Route", NULL);
GF_BIFS_WRITE_INT(codec, bs, com->RouteID - 1, codec->info->config.RouteIDBits, "RouteID", NULL);
break;
default:
e = BE_ExtendedUpdate(codec, com, bs);
break;
}
if (e) break;
GF_BIFS_WRITE_INT(codec, bs, (i+1==count) ? 0 : 1, 1, "moreCommands", NULL);
}
while (gf_list_count(codec->QPs)) gf_bifs_enc_qp_remove(codec, 1);
return e;
}
