This source file includes following definitions.
- gf_bifs_enc_name
- BE_XReplace
- BE_MultipleIndexedReplace
- BE_MultipleReplace
- BE_GlobalQuantizer
- BE_EncProtoDelete
- BE_ExtendedUpdate
- BE_NodeInsert
- BE_IndexInsert
- BE_IndexDelete
- BE_NodeReplace
- BE_FieldReplace
- BE_IndexFieldReplace
- BE_RouteReplace
- BE_EncProtoList
- gf_bifs_enc_route
- BE_SceneReplaceEx
- BE_SceneReplace
- gf_bifs_enc_commands
- gf_bifs_encoder_get_rap
#include <gpac/internal/bifs_dev.h>
#include "quant.h"
#ifndef GPAC_DISABLE_BIFS_ENC
GF_Err BE_EncProtoList(GF_BifsEncoder *codec, GF_List *protoList, GF_BitStream *bs);
void gf_bifs_enc_name(GF_BifsEncoder *codec, GF_BitStream *bs, char *name)
{
u32 i = 0;
if (!name) {
GF_LOG(GF_LOG_WARNING, GF_LOG_CODING, ("[BIFS] Coding IDs using names but no name is specified\n"));
i = 1;
} else {
while (name[i]) {
gf_bs_write_int(bs, name[i], 8);
i++;
}
}
gf_bs_write_int(bs, 0, 8);
GF_LOG(GF_LOG_DEBUG, GF_LOG_CODING, ("[BIFS] DEF\t\t%d\t\t%s\n", 8*i, name));
}
static GF_Err BE_XReplace(GF_BifsEncoder * codec, GF_Command *com, GF_BitStream *bs)
{
u32 i,nbBits;
GF_FieldInfo field;
GF_Err e;
GF_CommandField *inf;
if (!gf_list_count(com->command_fields)) return GF_BAD_PARAM;
inf = (GF_CommandField *)gf_list_get(com->command_fields, 0);
gf_bs_write_int(bs, gf_node_get_id(com->node)-1, codec->info->config.NodeIDBits);
nbBits = gf_get_bit_size(gf_node_get_num_fields_in_mode(com->node, GF_SG_FIELD_CODING_IN)-1);
gf_bifs_field_index_by_mode(com->node, inf->fieldIndex, GF_SG_FIELD_CODING_IN, &i);
GF_BIFS_WRITE_INT(codec, bs, i, nbBits, "field", NULL);
gf_node_get_field(com->node, inf->fieldIndex, &field);
if (!gf_sg_vrml_is_sf_field(field.fieldType)) {
if ((inf->pos != -2) || com->toNodeID) {
GF_BIFS_WRITE_INT(codec, bs, 1, 1, "indexedReplacement", NULL);
if (com->toNodeID) {
GF_Node *n = gf_bifs_enc_find_node(codec, com->toNodeID);
GF_BIFS_WRITE_INT(codec, bs, 1, 1, "dynamicIndex", NULL);
GF_BIFS_WRITE_INT(codec, bs, com->toNodeID-1, codec->info->config.NodeIDBits, "idxNodeID", NULL);
nbBits = gf_get_bit_size(gf_node_get_num_fields_in_mode(n, GF_SG_FIELD_CODING_DEF)-1);
gf_bifs_field_index_by_mode(n, com->toFieldIndex, GF_SG_FIELD_CODING_DEF, &i);
GF_BIFS_WRITE_INT(codec, bs, i, nbBits, "idxField", NULL);
} else {
GF_BIFS_WRITE_INT(codec, bs, 0, 1, "dynamicIndex", NULL);
if (inf->pos==-1) {
GF_BIFS_WRITE_INT(codec, bs, 3, 2, "replacementPosition", NULL);
} else if (inf->pos==0) {
GF_BIFS_WRITE_INT(codec, bs, 2, 2, "replacementPosition", NULL);
} else {
GF_BIFS_WRITE_INT(codec, bs, 0, 2, "replacementPosition", NULL);
GF_BIFS_WRITE_INT(codec, bs, inf->pos, 16, "position", NULL);
}
}
} else {
GF_BIFS_WRITE_INT(codec, bs, 0, 1, "indexedReplacement", NULL);
}
}
if (field.fieldType==GF_SG_VRML_MFNODE) {
if (com->ChildNodeTag) {
GF_Node *n;
if (com->ChildNodeTag>0) {
n = gf_node_new(codec->scene_graph, com->ChildNodeTag);
} else {
GF_Proto *proto = gf_sg_find_proto(codec->scene_graph, -com->ChildNodeTag , NULL);
if (!proto) return GF_SG_UNKNOWN_NODE;
n = gf_sg_proto_create_instance(codec->scene_graph, proto);
}
if (!n) return GF_SG_UNKNOWN_NODE;
gf_node_register(n, NULL);
GF_BIFS_WRITE_INT(codec, bs, 1, 1, "childField", NULL);
nbBits = gf_get_bit_size(gf_node_get_num_fields_in_mode(n, GF_SG_FIELD_CODING_IN)-1);
gf_bifs_field_index_by_mode(n, com->child_field, GF_SG_FIELD_CODING_IN, &i);
GF_BIFS_WRITE_INT(codec, bs, i, nbBits, "childField", NULL);
gf_node_unregister(n, NULL);
} else {
GF_BIFS_WRITE_INT(codec, bs, 0, 1, "childField", NULL);
}
}
if (com->fromNodeID) {
GF_Node *n = gf_bifs_enc_find_node(codec, com->fromNodeID);
GF_BIFS_WRITE_INT(codec, bs, 1, 1, "valueFromNode", NULL);
GF_BIFS_WRITE_INT(codec, bs, com->fromNodeID-1, codec->info->config.NodeIDBits, "sourceNodeID", NULL);
nbBits = gf_get_bit_size(gf_node_get_num_fields_in_mode(n, GF_SG_FIELD_CODING_DEF)-1);
gf_bifs_field_index_by_mode(n, com->fromFieldIndex, GF_SG_FIELD_CODING_DEF, &i);
GF_BIFS_WRITE_INT(codec, bs, i, nbBits, "sourceField", NULL);
return GF_OK;
}
GF_BIFS_WRITE_INT(codec, bs, 0, 1, "valueFromNode", NULL);
field.far_ptr = inf->field_ptr;
field.fieldType = inf->fieldType;
e = gf_bifs_enc_field(codec, bs, com->node, &field);
return e;
}
static GF_Err BE_MultipleIndexedReplace(GF_BifsEncoder * codec, GF_Command *com, GF_BitStream *bs)
{
u32 i,nbBits, count, maxPos, nbBitsPos;
GF_FieldInfo field;
GF_Err e;
GF_CommandField *inf;
if (!gf_list_count(com->command_fields)) return GF_OK;
inf = (GF_CommandField *)gf_list_get(com->command_fields, 0);
gf_bs_write_int(bs, gf_node_get_id(com->node)-1, codec->info->config.NodeIDBits);
nbBits = gf_get_bit_size(gf_node_get_num_fields_in_mode(com->node, GF_SG_FIELD_CODING_IN)-1);
gf_bifs_field_index_by_mode(com->node, inf->fieldIndex, GF_SG_FIELD_CODING_IN, &i);
GF_BIFS_WRITE_INT(codec, bs, i, nbBits, "field", NULL);
gf_node_get_field(com->node, inf->fieldIndex, &field);
field.fieldType = inf->fieldType;
count = gf_list_count(com->command_fields);
maxPos = 0;
for (i=0; i<count; i++) {
inf = (GF_CommandField *)gf_list_get(com->command_fields, i);
if (maxPos < (u32) inf->pos) maxPos = inf->pos;
}
nbBitsPos = gf_get_bit_size(maxPos);
GF_BIFS_WRITE_INT(codec, bs, nbBitsPos, 5, "nbBitsPos", NULL);
nbBits = gf_get_bit_size(count);
GF_BIFS_WRITE_INT(codec, bs, nbBits, 5, "nbBits", NULL);
GF_BIFS_WRITE_INT(codec, bs, count, nbBits, "count", NULL);
for (i=0; i<count; i++) {
inf = (GF_CommandField *)gf_list_get(com->command_fields, i);
GF_BIFS_WRITE_INT(codec, bs, inf->pos, nbBitsPos, "idx", NULL);
field.far_ptr = inf->field_ptr;
e = gf_bifs_enc_field(codec, bs, com->node, &field);
if (e) return e;
}
return GF_OK;
}
static GF_Err BE_MultipleReplace(GF_BifsEncoder * codec, GF_Command *com, GF_BitStream *bs)
{
u32 i, j, nbBits, count, numFields, allField;
Bool use_list;
GF_FieldInfo field;
GF_Err e;
gf_bs_write_int(bs, gf_node_get_id(com->node)-1, codec->info->config.NodeIDBits);
count = gf_list_count(com->command_fields);
use_list = GF_TRUE;
numFields = gf_node_get_num_fields_in_mode(com->node, GF_SG_FIELD_CODING_DEF);
nbBits = gf_get_bit_size(numFields - 1);
if (count < 1+count*(1+nbBits)) use_list = GF_FALSE;
GF_BIFS_WRITE_INT(codec, bs, use_list ? 0 : 1, 1, "isMask", NULL);
for (i=0; i<numFields; i++) {
GF_CommandField *inf = NULL;
gf_bifs_get_field_index(com->node, i, GF_SG_FIELD_CODING_DEF, &allField);
for (j=0; j<count; j++) {
inf = (GF_CommandField *)gf_list_get(com->command_fields, j);
if (inf->fieldIndex==allField) break;
inf = NULL;
}
if (!inf) {
if (!use_list) GF_BIFS_WRITE_INT(codec, bs, 0, 1, "Mask", NULL);
continue;
}
gf_node_get_field(com->node, inf->fieldIndex, &field);
if (use_list) {
GF_BIFS_WRITE_INT(codec, bs, 0, 1, "end", NULL);
} else {
GF_BIFS_WRITE_INT(codec, bs, 1, 1, "Mask", NULL);
}
if (use_list) GF_BIFS_WRITE_INT(codec, bs, i, nbBits, "field", (char*)field.name);
field.far_ptr = inf->field_ptr;
e = gf_bifs_enc_field(codec, bs, com->node, &field);
if (e) return e;
}
if (use_list) GF_BIFS_WRITE_INT(codec, bs, 1, 1, "end", NULL);
return GF_OK;
}
static GF_Err BE_GlobalQuantizer(GF_BifsEncoder * codec, GF_Command *com, GF_BitStream *bs)
{
GF_Err e;
GF_CommandField *inf;
if (!gf_list_count(com->command_fields)) return GF_OK;
inf = (GF_CommandField *)gf_list_get(com->command_fields, 0);
if (inf->new_node) ((M_QuantizationParameter *)inf->new_node)->isLocal = 0;
e = gf_bifs_enc_node(codec, inf->new_node, NDT_SFWorldNode, bs, NULL);
if (e) return e;
if (codec->scene_graph->global_qp) {
gf_node_unregister(codec->scene_graph->global_qp, NULL);
codec->scene_graph->global_qp = NULL;
}
codec->ActiveQP = NULL;
if (!inf->new_node) return GF_OK;
codec->scene_graph->global_qp = inf->new_node;
gf_node_register(inf->new_node, NULL);
codec->ActiveQP = (M_QuantizationParameter *) inf->new_node;
codec->ActiveQP->isLocal = 0;
return GF_OK;
}
static GF_Err BE_EncProtoDelete(GF_BifsEncoder * codec, GF_Command *com, GF_BitStream *bs)
{
u32 nbBits, i;
Bool use_list = GF_FALSE;
nbBits = gf_get_bit_size(com->del_proto_list_size);
if (nbBits+5>com->del_proto_list_size) 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, "len", NULL);
GF_BIFS_WRITE_INT(codec, bs, com->del_proto_list_size, nbBits, "len", NULL);
}
for (i=0; i<com->del_proto_list_size; i++) {
if (use_list) GF_BIFS_WRITE_INT(codec, bs, 1, 1, "moreProto", NULL);
GF_BIFS_WRITE_INT(codec, bs, com->del_proto_list[i], codec->info->config.ProtoIDBits, "protoID", NULL);
}
if (use_list) GF_BIFS_WRITE_INT(codec, bs, 0, 1, "moreProto", NULL);
return GF_OK;
}
static GF_Err BE_ExtendedUpdate(GF_BifsEncoder * codec, GF_Command *com, GF_BitStream *bs)
{
GF_BIFS_WRITE_INT(codec, bs, 0, 2, "Insert", NULL);
GF_BIFS_WRITE_INT(codec, bs, 1, 2, "ExtendedUpdate", NULL);
switch (com->tag) {
case GF_SG_PROTO_INSERT:
GF_BIFS_WRITE_INT(codec, bs, 0, 8, "MultipleReplace", NULL);
return BE_EncProtoList(codec, com->new_proto_list, bs);
case GF_SG_PROTO_DELETE:
GF_BIFS_WRITE_INT(codec, bs, 1, 8, "ProtoDelete", NULL);
return BE_EncProtoDelete(codec, com, bs);
case GF_SG_PROTO_DELETE_ALL:
GF_BIFS_WRITE_INT(codec, bs, 2, 8, "DeleteAllProtos", NULL);
return GF_OK;
case GF_SG_MULTIPLE_INDEXED_REPLACE:
GF_BIFS_WRITE_INT(codec, bs, 3, 8, "MultipleReplace", NULL);
return BE_MultipleIndexedReplace(codec, com, bs);
case GF_SG_MULTIPLE_REPLACE:
GF_BIFS_WRITE_INT(codec, bs, 4, 8, "MultipleReplace", NULL);
return BE_MultipleReplace(codec, com, bs);
case GF_SG_GLOBAL_QUANTIZER:
GF_BIFS_WRITE_INT(codec, bs, 5, 8, "GlobalQuantizer", NULL);
return BE_GlobalQuantizer(codec, com, bs);
case GF_SG_NODE_DELETE_EX:
GF_BIFS_WRITE_INT(codec, bs, 6, 8, "MultipleReplace", NULL);
GF_BIFS_WRITE_INT(codec, bs, gf_node_get_id(com->node) - 1, codec->info->config.NodeIDBits, "NodeID", NULL);
return GF_OK;
case GF_SG_XREPLACE:
GF_BIFS_WRITE_INT(codec, bs, 7, 8, "XReplace", NULL);
return BE_XReplace(codec, com, bs);
default:
return GF_BAD_PARAM;
}
}
GF_Err BE_NodeInsert(GF_BifsEncoder *codec, GF_Command *com, GF_BitStream *bs)
{
u32 NDT;
GF_CommandField *inf;
if (!gf_list_count(com->command_fields)) return GF_OK;
inf = (GF_CommandField *)gf_list_get(com->command_fields, 0);
GF_BIFS_WRITE_INT(codec, bs, gf_node_get_id(com->node) - 1, codec->info->config.NodeIDBits, "NodeID", NULL);
NDT = gf_bifs_get_child_table(com->node);
switch (inf->pos) {
case 0:
GF_BIFS_WRITE_INT(codec, bs, 2, 2, "FIRST", "idx");
break;
case -1:
GF_BIFS_WRITE_INT(codec, bs, 3, 2, "LAST", "idx");
break;
default:
GF_BIFS_WRITE_INT(codec, bs, 0, 2, "pos", "idx");
GF_BIFS_WRITE_INT(codec, bs, inf->pos, 8, "pos", NULL);
break;
}
return gf_bifs_enc_node(codec, inf->new_node, NDT, bs, NULL);
}
GF_Err BE_IndexInsert(GF_BifsEncoder *codec, GF_Command *com, GF_BitStream *bs)
{
GF_Err e;
u32 NumBits, ind;
GF_FieldInfo field, sffield;
GF_CommandField *inf;
if (!gf_list_count(com->command_fields)) return GF_OK;
inf = (GF_CommandField *)gf_list_get(com->command_fields, 0);
GF_BIFS_WRITE_INT(codec, bs, gf_node_get_id(com->node) - 1, codec->info->config.NodeIDBits, "NodeID", NULL);
NumBits = gf_get_bit_size(gf_node_get_num_fields_in_mode(com->node, GF_SG_FIELD_CODING_IN)-1);
gf_bifs_field_index_by_mode(com->node, inf->fieldIndex, GF_SG_FIELD_CODING_IN, &ind);
GF_BIFS_WRITE_INT(codec, bs, ind, NumBits, "field", NULL);
switch (inf->pos) {
case 0:
GF_BIFS_WRITE_INT(codec, bs, 2, 2, "FIRST", "idx");
break;
case -1:
GF_BIFS_WRITE_INT(codec, bs, 3, 2, "LAST", "idx");
break;
default:
GF_BIFS_WRITE_INT(codec, bs, 0, 2, "pos", "idx");
GF_BIFS_WRITE_INT(codec, bs, inf->pos, 16, "pos", NULL);
break;
}
e = gf_node_get_field(com->node, inf->fieldIndex, &field);
if (e) return e;
if (gf_sg_vrml_is_sf_field(field.fieldType))
return GF_NON_COMPLIANT_BITSTREAM;
memcpy(&sffield, &field, sizeof(GF_FieldInfo));
sffield.fieldType = gf_sg_vrml_get_sf_type(field.fieldType);
sffield.far_ptr = inf->field_ptr;
if (field.fieldType==GF_SG_VRML_MFNODE) {
return gf_bifs_enc_node(codec, inf->new_node, field.NDTtype, bs, com->node);
} else {
return gf_bifs_enc_sf_field(codec, bs, com->node, &sffield);
}
}
GF_Err BE_IndexDelete(GF_BifsEncoder *codec, GF_Command *com, GF_BitStream *bs)
{
u32 NumBits, ind;
GF_Err e;
GF_CommandField *inf;
if (!gf_list_count(com->command_fields)) return GF_OK;
inf = (GF_CommandField *)gf_list_get(com->command_fields, 0);
GF_BIFS_WRITE_INT(codec, bs, gf_node_get_id(com->node) - 1, codec->info->config.NodeIDBits, "NodeID", NULL);
NumBits = gf_get_bit_size(gf_node_get_num_fields_in_mode(com->node, GF_SG_FIELD_CODING_IN) - 1);
e = gf_bifs_field_index_by_mode(com->node, inf->fieldIndex, GF_SG_FIELD_CODING_IN, &ind);
if (e) return e;
GF_BIFS_WRITE_INT(codec, bs, ind, NumBits, "field", NULL);
switch (inf->pos) {
case 0:
GF_BIFS_WRITE_INT(codec, bs, 2, 2, "FIRST", "idw");
break;
case -1:
GF_BIFS_WRITE_INT(codec, bs, 3, 2, "LAST", "idx");
break;
default:
GF_BIFS_WRITE_INT(codec, bs, 0, 2, "pos", "idx");
GF_BIFS_WRITE_INT(codec, bs, inf->pos, 16, "pos", NULL);
break;
}
return GF_OK;
}
GF_Err BE_NodeReplace(GF_BifsEncoder *codec, GF_Command *com, GF_BitStream *bs)
{
GF_CommandField *inf;
if (!gf_list_count(com->command_fields)) return GF_OK;
inf = (GF_CommandField *)gf_list_get(com->command_fields, 0);
GF_BIFS_WRITE_INT(codec, bs, gf_node_get_id(com->node) - 1, codec->info->config.NodeIDBits, "NodeID", NULL);
return gf_bifs_enc_node(codec, inf->new_node, NDT_SFWorldNode, bs, NULL);
}
GF_Err BE_FieldReplace(GF_BifsEncoder *codec, GF_Command *com, GF_BitStream *bs)
{
GF_Err e;
u32 ind, NumBits;
GF_FieldInfo field;
GF_CommandField *inf;
if (!gf_list_count(com->command_fields)) return GF_OK;
inf = (GF_CommandField *)gf_list_get(com->command_fields, 0);
GF_BIFS_WRITE_INT(codec, bs, gf_node_get_id(com->node) - 1, codec->info->config.NodeIDBits, "NodeID", NULL);
NumBits = gf_get_bit_size(gf_node_get_num_fields_in_mode(com->node, GF_SG_FIELD_CODING_IN)-1);
gf_bifs_field_index_by_mode(com->node, inf->fieldIndex, GF_SG_FIELD_CODING_IN, &ind);
GF_BIFS_WRITE_INT(codec, bs, ind, NumBits, "field", NULL);
e = gf_node_get_field(com->node, inf->fieldIndex, &field);
if (e) return e;
field.far_ptr = inf->field_ptr;
if (gf_sg_vrml_get_sf_type(field.fieldType) == GF_SG_VRML_SFSCRIPT) codec->is_encoding_command = GF_TRUE;
e = gf_bifs_enc_field(codec, bs, com->node, &field);
codec->is_encoding_command = GF_FALSE;
return e;
}
GF_Err BE_IndexFieldReplace(GF_BifsEncoder *codec, GF_Command *com, GF_BitStream *bs)
{
u32 ind, NumBits;
GF_Err e;
GF_FieldInfo field, sffield;
GF_CommandField *inf;
if (!gf_list_count(com->command_fields)) return GF_OK;
inf = (GF_CommandField *)gf_list_get(com->command_fields, 0);
GF_BIFS_WRITE_INT(codec, bs, gf_node_get_id(com->node) - 1, codec->info->config.NodeIDBits, "NodeID", NULL);
NumBits = gf_get_bit_size(gf_node_get_num_fields_in_mode(com->node, GF_SG_FIELD_CODING_IN)-1);
gf_bifs_field_index_by_mode(com->node, inf->fieldIndex, GF_SG_FIELD_CODING_IN, &ind);
GF_BIFS_WRITE_INT(codec, bs, ind, NumBits, "field", NULL);
e = gf_node_get_field(com->node, inf->fieldIndex, &field);
if (e) return e;
if (gf_sg_vrml_is_sf_field(field.fieldType))
return GF_NON_COMPLIANT_BITSTREAM;
switch (inf->pos) {
case 0:
GF_BIFS_WRITE_INT(codec, bs, 2, 2, "FIRST", "idx");
break;
case -1:
GF_BIFS_WRITE_INT(codec, bs, 3, 2, "LAST", "idx");
break;
default:
GF_BIFS_WRITE_INT(codec, bs, 0, 2, "pos", "idx");
GF_BIFS_WRITE_INT(codec, bs, inf->pos, 16, "pos", NULL);
break;
}
if (field.fieldType == GF_SG_VRML_MFNODE) {
e = gf_bifs_enc_node(codec, inf->new_node, field.NDTtype, bs, com->node);
} else {
memcpy(&sffield, &field, sizeof(GF_FieldInfo));
sffield.fieldType = gf_sg_vrml_get_sf_type(field.fieldType);
sffield.far_ptr = inf->field_ptr;
e = gf_bifs_enc_sf_field(codec, bs, com->node, &sffield);
}
return e;
}
GF_Err BE_RouteReplace(GF_BifsEncoder *codec, GF_Command *com, GF_BitStream *bs, Bool isInsert)
{
GF_Err e;
GF_Node *n;
u32 numBits, ind;
if (isInsert) {
GF_BIFS_WRITE_INT(codec, bs, com->RouteID ? 1 : 0, 1, "isDEF", NULL);
if (com->RouteID) {
GF_BIFS_WRITE_INT(codec, bs, com->RouteID-1, codec->info->config.RouteIDBits, "RouteID", NULL);
if (codec->UseName) gf_bifs_enc_name(codec, bs, com->def_name);
}
} else {
GF_BIFS_WRITE_INT(codec, bs, com->RouteID - 1, codec->info->config.RouteIDBits, "RouteID", NULL);
}
GF_BIFS_WRITE_INT(codec, bs, com->fromNodeID - 1, codec->info->config.NodeIDBits, "outNodeID", NULL);
n = gf_bifs_enc_find_node(codec, com->fromNodeID);
numBits = gf_node_get_num_fields_in_mode(n, GF_SG_FIELD_CODING_OUT) - 1;
numBits = gf_get_bit_size(numBits);
e = gf_bifs_field_index_by_mode(n, com->fromFieldIndex, GF_SG_FIELD_CODING_OUT, &ind);
if (e) return e;
GF_BIFS_WRITE_INT(codec, bs, ind, numBits, "outField", NULL);
GF_BIFS_WRITE_INT(codec, bs, com->toNodeID - 1, codec->info->config.NodeIDBits, "inNodeID", NULL);
n = gf_bifs_enc_find_node(codec, com->toNodeID);
numBits = gf_node_get_num_fields_in_mode(n, GF_SG_FIELD_CODING_IN) - 1;
numBits = gf_get_bit_size(numBits);
e = gf_bifs_field_index_by_mode(n, com->toFieldIndex, GF_SG_FIELD_CODING_IN, &ind);
GF_BIFS_WRITE_INT(codec, bs, ind, numBits, "inField", NULL);
return e;
}
GF_Err BE_EncProtoList(GF_BifsEncoder *codec, GF_List *protoList, GF_BitStream *bs)
{
u8 useQuant, useAnim;
u32 i, j, nbRoutes, nbBits, numProtos, numFields, count;
GF_Node *node;
GF_ProtoFieldInterface *proto_field;
GF_Proto *proto, *prev_proto;
GF_Route *r;
GF_Err e;
GF_SceneGraph *rootSG;
GF_FieldInfo field;
e = GF_OK;
if (!protoList || !gf_list_count(protoList)) {
GF_BIFS_WRITE_INT(codec, bs, 0, 1, "moreProto", NULL);
return GF_OK;
}
if (!codec->info->config.ProtoIDBits)
return GF_NON_COMPLIANT_BITSTREAM;
rootSG = codec->current_proto_graph;
prev_proto = codec->encoding_proto;
numProtos = gf_list_count(protoList);
for (i=0; i<numProtos; i++) {
proto = (GF_Proto*)gf_list_get(protoList, i);
useQuant = useAnim = 0;
codec->encoding_proto = proto;
codec->current_proto_graph = proto->sub_graph;
GF_BIFS_WRITE_INT(codec, bs, 1, 1, "moreProto", NULL);
GF_BIFS_WRITE_INT(codec, bs, proto->ID, codec->info->config.ProtoIDBits, "protoID", NULL);
if (codec->UseName) gf_bifs_enc_name(codec, bs, proto->Name);
numFields = gf_list_count(proto->proto_fields);
for (j=0; j<numFields; j++) {
proto_field = (GF_ProtoFieldInterface*)gf_list_get(proto->proto_fields, j);
GF_BIFS_WRITE_INT(codec, bs, 1, 1, "moreField", NULL);
GF_BIFS_WRITE_INT(codec, bs, proto_field->EventType, 2, "eventType", NULL);
GF_BIFS_WRITE_INT(codec, bs, proto_field->FieldType, 6, "fieldType", NULL);
if (codec->UseName) gf_bifs_enc_name(codec, bs, proto_field->FieldName);
switch (proto_field->EventType) {
case GF_SG_EVENT_EXPOSED_FIELD:
case GF_SG_EVENT_FIELD:
gf_sg_proto_field_get_field(proto_field, &field);
if (gf_sg_vrml_is_sf_field(field.fieldType)) {
e = gf_bifs_enc_sf_field(codec, bs, NULL, &field);
} else {
if (codec->info->config.UsePredictiveMFField) GF_BIFS_WRITE_INT(codec, bs, 0, 1, "usePredictive", NULL);
e = gf_bifs_enc_mf_field(codec, bs, NULL, &field);
}
if (e) goto exit;
break;
}
if (proto_field->QP_Type) useQuant = 1;
if (proto_field->Anim_Type) useAnim = 1;
}
GF_BIFS_WRITE_INT(codec, bs, 0, 1, "moreField", NULL);
GF_BIFS_WRITE_INT(codec, bs, proto->ExternProto.count ? 1 : 0, 1, "externProto", NULL);
if (proto->ExternProto.count) {
memset(&field, 0, sizeof(GF_FieldInfo));
field.far_ptr = &proto->ExternProto;
field.fieldType = GF_SG_VRML_MFURL;
field.name = "ExternProto";
if (codec->info->config.UsePredictiveMFField) GF_BIFS_WRITE_INT(codec, bs, 0, 1, "usePredictive", NULL);
e = gf_bifs_enc_mf_field(codec, bs, NULL, &field);
if (e) goto exit;
} else {
e = BE_EncProtoList(codec, proto->sub_graph->protos, bs);
if (e) goto exit;
count = gf_list_count(proto->node_code);
if (!count) {
gf_bifs_enc_node(codec, NULL, NDT_SFWorldNode, bs, NULL);
GF_BIFS_WRITE_INT(codec, bs, 0, 1, "moreNodes", NULL);
} else {
for (j=0; j<count; j++) {
node = (GF_Node*)gf_list_get(proto->node_code, j);
e = gf_bifs_enc_node(codec, node, NDT_SFWorldNode, bs, NULL);
if (e) goto exit;
GF_BIFS_WRITE_INT(codec, bs, (j+1==count) ? 0 : 1, 1, "moreNodes", NULL);
}
}
nbRoutes = count = gf_list_count(proto->sub_graph->Routes);
for (j=0; j<count; j++) {
r = (GF_Route*)gf_list_get(proto->sub_graph->Routes, j);
if (r->IS_route) nbRoutes--;
}
GF_BIFS_WRITE_INT(codec, bs, nbRoutes ? 1 : 0, 1, "hasRoute", NULL);
if (nbRoutes) {
nbBits = gf_get_bit_size(nbRoutes);
if (nbBits + 5 > nbRoutes) {
GF_BIFS_WRITE_INT(codec, bs, 1, 1, "isList", NULL);
for (j=0; j<count; j++) {
r = (GF_Route*)gf_list_get(proto->sub_graph->Routes, j);
if (r->IS_route) continue;
e = gf_bifs_enc_route(codec, r, bs);
if (e) goto exit;
nbRoutes--;
GF_BIFS_WRITE_INT(codec, bs, nbRoutes ? 1 : 0, 1, "moreRoute", NULL);
}
} else {
GF_BIFS_WRITE_INT(codec, bs, 0, 1, "isList", NULL);
GF_BIFS_WRITE_INT(codec, bs, nbBits, 5, "nbBits", NULL);
GF_BIFS_WRITE_INT(codec, bs, nbRoutes, nbBits, "length", NULL);
for (j=0; j<count; j++) {
r = (GF_Route*)gf_list_get(proto->sub_graph->Routes, j);
if (r->IS_route) continue;
e = gf_bifs_enc_route(codec, r, bs);
if (e) goto exit;
}
}
}
}
GF_BIFS_WRITE_INT(codec, bs, useQuant, 1, "useQuant", NULL);
GF_BIFS_WRITE_INT(codec, bs, useAnim, 1, "useAnim", NULL);
if (!useAnim && !useQuant) continue;
count = gf_sg_proto_get_field_count(proto);
for (j=0; j<count; j++) {
proto_field = gf_sg_proto_field_find(proto, j);
gf_sg_proto_field_get_field(proto_field, &field);
if (useQuant && ( (field.eventType == GF_SG_EVENT_FIELD) || (field.eventType == GF_SG_EVENT_EXPOSED_FIELD) )) {
GF_BIFS_WRITE_INT(codec, bs, proto_field->QP_Type, 4, "QPType", NULL);
if (proto_field->QP_Type==QC_LINEAR_SCALAR) GF_BIFS_WRITE_INT(codec, bs, proto_field->NumBits, 5, "nbBits", NULL);
GF_BIFS_WRITE_INT(codec, bs, proto_field->hasMinMax, 1, "hasMinMax", NULL);
if (proto_field->hasMinMax) {
field.fieldType = gf_sg_vrml_get_sf_type(field.fieldType);
switch (field.fieldType) {
case GF_SG_VRML_SFINT32:
case GF_SG_VRML_SFTIME:
break;
default:
field.fieldType = GF_SG_VRML_SFFLOAT;
break;
}
field.name = "QPMinValue";
field.far_ptr = proto_field->qp_min_value;
gf_bifs_enc_sf_field(codec, bs, NULL, &field);
field.name = "QPMaxValue";
field.far_ptr = proto_field->qp_max_value;
gf_bifs_enc_sf_field(codec, bs, NULL, &field);
}
}
if (useAnim && ( (field.eventType == GF_SG_EVENT_IN) || (field.eventType == GF_SG_EVENT_EXPOSED_FIELD) )) {
e = GF_NOT_SUPPORTED;
goto exit;
}
}
}
GF_BIFS_WRITE_INT(codec, bs, 0, 1, "moreProto", NULL);
exit:
codec->encoding_proto = prev_proto;
codec->current_proto_graph = rootSG;
return e;
}
GF_Err gf_bifs_enc_route(GF_BifsEncoder *codec, GF_Route *r, GF_BitStream *bs)
{
GF_Err e;
u32 numBits, ind;
if (!r) return GF_BAD_PARAM;
GF_BIFS_WRITE_INT(codec, bs, r->ID ? 1: 0, 1, "isDEF", NULL);
if (r->ID) {
GF_BIFS_WRITE_INT(codec, bs, r->ID-1, codec->info->config.RouteIDBits, "routeID", NULL);
if (codec->UseName) gf_bifs_enc_name(codec, bs, r->name);
}
GF_BIFS_WRITE_INT(codec, bs, gf_node_get_id(r->FromNode) - 1, codec->info->config.NodeIDBits, "outNodeID", NULL);
numBits = gf_node_get_num_fields_in_mode(r->FromNode, GF_SG_FIELD_CODING_OUT) - 1;
numBits = gf_get_bit_size(numBits);
e = gf_bifs_field_index_by_mode(r->FromNode, r->FromField.fieldIndex, GF_SG_FIELD_CODING_OUT, &ind);
if (e) return e;
GF_BIFS_WRITE_INT(codec, bs, ind, numBits, "outField", NULL);
GF_BIFS_WRITE_INT(codec, bs, gf_node_get_id(r->ToNode) - 1, codec->info->config.NodeIDBits, "inNodeID", NULL);
numBits = gf_node_get_num_fields_in_mode(r->ToNode, GF_SG_FIELD_CODING_IN) - 1;
numBits = gf_get_bit_size(numBits);
e = gf_bifs_field_index_by_mode(r->ToNode, r->ToField.fieldIndex, GF_SG_FIELD_CODING_IN, &ind);
GF_BIFS_WRITE_INT(codec, bs, ind, numBits, "inField", NULL);
return e;
}
GF_Err BE_SceneReplaceEx(GF_BifsEncoder *codec, GF_Command *com, GF_BitStream *bs, GF_List *routes)
{
u32 i, nbR, nbBits;
GF_Err e;
GF_BIFS_WRITE_INT(codec, bs, 0, 6, "reserved", NULL);
GF_BIFS_WRITE_INT(codec, bs, codec->UseName ? 1 : 0, 1, "useName", NULL);
if (gf_list_count(com->new_proto_list)) {
e = BE_EncProtoList(codec, com->new_proto_list, bs);
if (e) goto exit;
} else {
e = BE_EncProtoList(codec, com->in_scene->protos, bs);
if (e) goto exit;
}
e = gf_bifs_enc_node(codec, com->node, NDT_SFTopNode, bs, NULL);
if (e || !gf_list_count(routes) ) {
GF_BIFS_WRITE_INT(codec, bs, 0, 1, "hasRoute", NULL);
return codec->LastError = e;
}
GF_BIFS_WRITE_INT(codec, bs, 1, 1, "hasRoute", NULL);
nbR = gf_list_count(routes);
nbBits = gf_get_bit_size(nbR);
if (nbBits + 5 > nbR) {
GF_BIFS_WRITE_INT(codec, bs, 1, 1, "isList", NULL);
for (i=0; i<nbR; i++) {
e = gf_bifs_enc_route(codec, (GF_Route*)gf_list_get(routes, i), bs);
if (e) goto exit;
GF_BIFS_WRITE_INT(codec, bs, (i+1==nbR) ? 0 : 1, 1, "moreRoute", NULL);
}
} else {
GF_BIFS_WRITE_INT(codec, bs, 0, 1, "isList", NULL);
GF_BIFS_WRITE_INT(codec, bs, nbBits, 5, "nbBits", NULL);
GF_BIFS_WRITE_INT(codec, bs, nbR, nbBits, "nbRoutes", NULL);
for (i=0; i<nbR; i++) {
e = gf_bifs_enc_route(codec, (GF_Route*)gf_list_get(routes, i), bs);
if (e) goto exit;
}
}
exit:
return codec->LastError = e;
}
GF_Err BE_SceneReplace(GF_BifsEncoder *codec, GF_SceneGraph *graph, GF_BitStream *bs)
{
u32 i, nbR, nbBits;
GF_Err e;
GF_BIFS_WRITE_INT(codec, bs, 0, 6, "reserved", NULL);
GF_BIFS_WRITE_INT(codec, bs, codec->UseName ? 1 : 0, 1, "useName", NULL);
codec->scene_graph = graph;
e = BE_EncProtoList(codec, codec->scene_graph ? codec->scene_graph->protos : NULL, bs);
if (e) goto exit;
e = gf_bifs_enc_node(codec, graph ? graph->RootNode : NULL, NDT_SFTopNode, bs, NULL);
if (e || !graph || !gf_list_count(graph->Routes) ) {
GF_BIFS_WRITE_INT(codec, bs, 0, 1, "hasRoute", NULL);
return codec->LastError = e;
}
GF_BIFS_WRITE_INT(codec, bs, 1, 1, "hasRoute", NULL);
nbR = gf_list_count(graph->Routes);
nbBits = gf_get_bit_size(nbR);
if (nbBits + 5 > nbR) {
GF_BIFS_WRITE_INT(codec, bs, 1, 1, "isList", NULL);
for (i=0; i<nbR; i++) {
e = gf_bifs_enc_route(codec, (GF_Route*)gf_list_get(graph->Routes, i), bs);
if (e) goto exit;
GF_BIFS_WRITE_INT(codec, bs, (i+1==nbR) ? 0 : 1, 1, "moreRoute", NULL);
}
} else {
GF_BIFS_WRITE_INT(codec, bs, 0, 1, "isList", NULL);
GF_BIFS_WRITE_INT(codec, bs, nbBits, 5, "nbBits", NULL);
GF_BIFS_WRITE_INT(codec, bs, nbR, nbBits, "nbRoutes", NULL);
for (i=0; i<nbR; i++) {
e = gf_bifs_enc_route(codec, (GF_Route*)gf_list_get(graph->Routes, i), bs);
if (e) goto exit;
}
}
exit:
return codec->LastError = e;
}
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:
{
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();
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);
if (!r) {
GF_LOG(GF_LOG_ERROR, GF_LOG_CODEC, ("[BIFS] Cannot allocate route\n"));
continue;
}
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;
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, GF_FALSE);
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, GF_TRUE);
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, GF_TRUE);
return e;
}
GF_EXPORT
GF_Err gf_bifs_encoder_get_rap(GF_BifsEncoder *codec, char **out_data, u32 *out_data_length)
{
GF_BitStream *bs;
GF_Err e;
GF_List *ctx_bck;
ctx_bck = codec->encoded_nodes;
codec->encoded_nodes = gf_list_new();
if (!codec->info) codec->info = (BIFSStreamInfo*)gf_list_get(codec->streamInfo, 0);
bs = gf_bs_new(NULL, 0, GF_BITSTREAM_WRITE);
GF_BIFS_WRITE_INT(codec, bs, 3, 2, "SceneReplace", NULL);
e = BE_SceneReplace(codec, codec->scene_graph, bs);
if (e == GF_OK) {
GF_BIFS_WRITE_INT(codec, bs, 0, 1, "moreCommands", NULL);
gf_bs_get_content(bs, out_data, out_data_length);
}
gf_bs_del(bs);
gf_list_del(codec->encoded_nodes);
codec->encoded_nodes = ctx_bck;
return e;
}
#endif