BaseDecoder *OGG_LoadDecoder()
{
MediaDecoder *ifce;
OGGWraper *wrap;
SAFEALLOC(ifce, sizeof(MediaDecoder));
SAFEALLOC(wrap, sizeof(OGGWraper));
ifce->privateStack = wrap;
ifce->CanHandleStream = OGG_CanHandleStream;
M4_REG_PLUG(ifce, M4MEDIADECODERINTERFACE, "GPAC XIPH.org package", "gpac distribution", 0)
/*other interfaces will be setup at run time*/
return (BaseDecoder *)ifce;
}
M4PathIterator *m4_path_new_iterator(M4Path *_this)
{
M4PathIterator *it;
u32 i, j, nb;
M4Point2D start, end;
M4PATH();
SAFEALLOC(it, sizeof(M4PathIterator));
nb = 0;
for (i=0; i<path->subpathlen; i++) {
nb += path->subpath[i]->pointlen;
}
it->seg = malloc(sizeof(IterInfo) * nb);
it->num_seg = 0;
it->length = 0;
for (i=0; i<path->subpathlen; i++) {
if (!path->subpath[i]->pointlen) continue;
start = path->subpath[i]->point[0];
for (j=1; j<path->subpath[i]->pointlen; j++) {
end = path->subpath[i]->point[j];
it->seg[it->num_seg].start_x = start.x;
it->seg[it->num_seg].start_y = start.y;
it->seg[it->num_seg].dx = end.x - start.x;
it->seg[it->num_seg].dy = end.y - start.y;
it->seg[it->num_seg].len = (Float) sqrt(it->seg[it->num_seg].dx*it->seg[it->num_seg].dx + it->seg[it->num_seg].dy*it->seg[it->num_seg].dy);
it->length += it->seg[it->num_seg].len;
start = end;
if (it->seg[it->num_seg].len) it->num_seg++;
}
}
return it;
}
LPPROTO SG_NewProto(LPSCENEGRAPH inScene, u32 ProtoID, char *name, Bool unregistered)
{
PrototypeNode *tmp;
if (!inScene) return NULL;
/*make sure we don't define a proto already defined in this scope*/
if (!unregistered) {
tmp = SG_FindProto(inScene, ProtoID, name);
if (tmp) return NULL;
}
SAFEALLOC(tmp, sizeof(PrototypeNode));
if (!tmp) return NULL;
tmp->proto_fields = NewChain();
tmp->node_code = NewChain();
tmp->parent_graph = inScene;
tmp->sub_graph = SG_NewSubScene(inScene);
tmp->instances = NewChain();
if (name)
tmp->Name = strdup(name);
else
tmp->Name = strdup("Unnamed Proto");
tmp->ID = ProtoID;
if (!unregistered) {
ChainAddEntry(inScene->protos, tmp);
} else {
ChainAddEntry(inScene->unregistered_protos, tmp);
}
return tmp;
}
CommandFieldInfo *SG_NewFieldCommand(SGCommand *com)
{
CommandFieldInfo *ptr;
SAFEALLOC(ptr, sizeof(CommandFieldInfo));
ChainAddEntry(com->command_fields, ptr);
return ptr;
}
Atom *ftab_New()
{
FontTableAtom *tmp;
SAFEALLOC(tmp, sizeof(FontTableAtom));
if (!tmp) return NULL;
tmp->type = FontTableAtomType;
return (Atom *) tmp;
}
Atom *tx3g_New()
{
TextSampleEntryAtom *tmp;
SAFEALLOC(tmp, sizeof(TextSampleEntryAtom));
if (!tmp) return NULL;
tmp->type = TextSampleEntryAtomType;
return (Atom *) tmp;
}
M4Err ProtoInstance_SetISField(SFNode *protoinst, u32 protoFieldIndex, SFNode *node, u32 nodeFieldIndex)
{
M4Err e;
Route *r;
FieldInfo field, nodeField;
if (protoinst->sgprivate->tag != TAG_ProtoNode) return M4BadParam;
e = Node_GetField(protoinst, protoFieldIndex, &field);
if (e) return e;
e = Node_GetField(node, nodeFieldIndex, &nodeField);
if (e) return e;
if (field.fieldType != nodeField.fieldType) {
if ((VRML_GetSFType(field.fieldType)==FT_SFString) && (VRML_GetSFType(nodeField.fieldType) == FT_SFURL)) {
e = M4OK;
} else if ((VRML_GetSFType(field.fieldType)==FT_SFURL) && (VRML_GetSFType(nodeField.fieldType) == FT_SFString)) {
e = M4OK;
} else {
// printf("error in IS - node field %s.%s - inType %s - outType %s\n", Node_GetName(node) , nodeField.name, VRML_GetFieldTypeName(field.fieldType), VRML_GetFieldTypeName(nodeField.fieldType));
return M4InvalidProto;
}
}
SAFEALLOC(r, sizeof(Route));
if (!r) return M4OutOfMem;
r->IS_route = 1;
if (nodeField.eventType==ET_EventOut) {
r->FromFieldIndex = nodeFieldIndex;
r->FromNode = node;
r->ToFieldIndex = protoFieldIndex;
r->ToNode = protoinst;
ChainAddEntry(node->sgprivate->outRoutes, r);
} else {
switch (field.eventType) {
case ET_Field:
case ET_ExposedField:
case ET_EventIn:
r->FromFieldIndex = protoFieldIndex;
r->FromNode = protoinst;
r->ToFieldIndex = nodeFieldIndex;
r->ToNode = node;
break;
case ET_EventOut:
r->FromFieldIndex = nodeFieldIndex;
r->FromNode = node;
r->ToFieldIndex = protoFieldIndex;
r->ToNode = protoinst;
ChainAddEntry(node->sgprivate->outRoutes, r);
break;
default:
free(r);
return M4BadParam;
}
}
r->graph = node->sgprivate->scenegraph;
ActivateRoute(r);
return ChainAddEntry(r->graph->Routes, r);
}
SFNode *Proto_CreateNode(LPSCENEGRAPH scene, PrototypeNode *proto, ProtoInstance *from_inst)
{
u32 i;
ProtoField *inst, *from_field;
ProtoFieldInterface *field;
ProtoInstance *proto_node;
SAFEALLOC(proto_node, sizeof(ProtoInstance));
if (!proto_node) return NULL;
Node_Setup((SFNode *)proto_node, TAG_ProtoNode);
proto_node->node_code = NewChain();
proto_node->fields = NewChain();
proto_node->scripts_to_load = NewChain();
proto_node->proto_interface = proto;
ChainAddEntry(proto->instances, proto_node);
#ifdef NODE_USE_POINTERS
proto_node->sgprivate->node_del = protoinst_del;
proto_node->sgprivate->get_field = protoinst_get_field;
proto_node->sgprivate->get_field_count = Proto_GetNumFields;
proto_node->sgprivate->name = strdup(proto->Name);
#else
proto_node->proto_name = strdup(proto->Name);
#endif
/*create the namespace*/
proto_node->sgprivate->scenegraph = SG_NewSubScene(scene);
/*set this proto as owner of the new graph*/
proto_node->sgprivate->scenegraph->pOwningProto = proto_node;
/*instanciate fields*/
for (i=0; i<ChainGetCount(proto->proto_fields); i++) {
field = ChainGetEntry(proto->proto_fields, i);
inst = malloc(sizeof(ProtoField));
inst->EventType = field->EventType;
inst->FieldType = field->FieldType;
/*this is OK to call on SFNode (returns NULL) and MFNode (returns NewChain() )*/
inst->field_pointer = VRML_NewFieldPointer(inst->FieldType);
/*regular field, duplicate from default value or instanciated one if specified (since
a proto may be partially instanciated when used in another proto)*/
if (VRML_GetSFType(inst->FieldType) != FT_SFNode) {
if (from_inst) {
from_field = ChainGetEntry(from_inst->fields, i);
VRML_FieldCopy(inst->field_pointer, from_field->field_pointer, inst->FieldType);
} else {
VRML_FieldCopy(inst->field_pointer, field->default_value, inst->FieldType);
}
}
/*No default values for SFNodes as interfaces ...*/
ChainAddEntry(proto_node->fields, inst);
}
return (SFNode *) proto_node;
}
void InitStringSensor(InlineScene *is, SFNode *node)
{
StringSensorStack*st;
SAFEALLOC(st, sizeof(StringSensorStack));
st->term = is->root_od->term;
Node_SetPrivate(node, st);
Node_SetPreDestroyFunction(node, DestroyStringSensor);
ChainAddEntry(is->root_od->term->x3d_sensors, node);
}
M4Path *m4_path_clone(M4Path *_this)
{
u32 i;
M4Path *tmp;
M4PATH();
SAFEALLOC(tmp, sizeof(M4Path));
if (!tmp) return tmp;
memcpy(tmp, path, sizeof(M4Path));
tmp->subpath = malloc(sizeof(M4SubPath*) * path->subpathmax);
for (i=0; i<path->subpathlen; i++) {
SAFEALLOC(tmp->subpath[i] , sizeof(M4SubPath));
memcpy(tmp->subpath, path->subpath, sizeof(M4SubPath));
tmp->subpath[i]->point = malloc(sizeof(M4Point2D) * tmp->subpath[i]->pointmax);
memcpy(tmp->subpath[i]->point, path->subpath[i]->point, sizeof(M4Point2D) * tmp->subpath[i]->pointlen);
}
return tmp;
}
void R2D_InitPathLayout(Render2D *sr, SFNode *node)
{
PathLayoutStack *stack;
SAFEALLOC(stack, sizeof(PathLayoutStack));
SetupGroupingNode2D((GroupingNode2D*)stack, sr, node);
Node_SetPrivate(node, stack);
Node_SetPreDestroyFunction(node, DestroyPathLayout);
Node_SetRenderFunction(node, RenderPathLayout);
}
M4Path *m4_new_path()
{
M4Path *path;
SAFEALLOC(path , sizeof(M4Path));
if (path == NULL) return NULL;
path->subpathmax = 8;
SAFEALLOC(path->subpath , sizeof (M4SubPath*) * path->subpathmax);
if (path->subpath == NULL) {
free(path);
return NULL;
}
path->min_x = FLT_MAX;
path->min_y = FLT_MAX;
path->max_x = -1 * FLT_MAX;
path->max_y = -1 * FLT_MAX;
path->fineness = 0.5;
path->resolution = M4_DEFAULT_RESOLUTION;
path->fill_mode = M4PathFillOddEven;
return path;
}
SGCommand *SG_NewCommand(LPSCENEGRAPH graph, u32 tag)
{
SGCommand *ptr;
SAFEALLOC(ptr, sizeof(SGCommand));
if (!ptr) return NULL;
ptr->tag = tag;
ptr->in_scene = graph;
ptr->new_proto_list = NewChain();
ptr->command_fields = NewChain();
return ptr;
}
GF_FontReader *gdip_new_font_driver()
{
GdiplusStartupInput startupInput;
GF_FontReader *dr;
FontPriv *ctx;
SAFEALLOC(ctx, FontPriv);
SAFEALLOC(dr, GF_FontReader);
GdiplusStartup(&ctx->gdiToken, &startupInput, NULL);
GF_REGISTER_MODULE_INTERFACE(dr, GF_FONT_READER_INTERFACE, "GDIplus Font Reader", "gpac distribution")
dr->init_font_engine = gdip_init_font_engine;
dr->shutdown_font_engine = gdip_shutdown_font_engine;
dr->set_font = gdip_set_font;
dr->get_font_info = gdip_get_font_info;
dr->get_glyphs = gdip_get_glyphs;
dr->load_glyph = gdip_load_glyph;
dr->udta = ctx;
return dr;
}
BaseDecoder *NewBIFSDec()
{
BIFSPriv *priv;
SceneDecoder *tmp;
SAFEALLOC(tmp, sizeof(SceneDecoder));
if (!tmp) return NULL;
SAFEALLOC(priv, sizeof(BIFSPriv));
priv->codec = NULL;
tmp->privateStack = priv;
tmp->AttachStream = BIFS_AttachStream;
tmp->DetachStream = BIFS_DetachStream;
tmp->GetCapabilities = BIFS_GetCapabilities;
tmp->SetCapabilities = BIFS_SetCapabilities;
tmp->ProcessData = BIFS_ProcessData;
tmp->AttachScene = BIFS_AttachScene;
tmp->CanHandleStream = BIFS_CanHandleStream;
tmp->ReleaseScene = BIFS_ReleaseScene;
M4_REG_PLUG(tmp, M4SCENEDECODERINTERFACE, "GPAC BIFS Decoder", "gpac distribution", 0)
return (BaseDecoder *) tmp;
}
M4Err ftab_Read(Atom *s, BitStream *bs, u64 *read)
{
u32 i;
FontTableAtom *ptr = (FontTableAtom *)s;
ptr->entry_count = BS_ReadInt(bs, 16);
*read += 2;
SAFEALLOC(ptr->fonts, sizeof(FontRecord)*ptr->entry_count);
for (i=0; i<ptr->entry_count; i++) {
u32 len;
ptr->fonts[i].fontID = BS_ReadInt(bs, 16);
len = BS_ReadInt(bs, 8);
*read += 3;
if (len) {
SAFEALLOC(ptr->fonts[i].fontName, sizeof(char)*(len+1));
BS_ReadData(bs, ptr->fonts[i].fontName, len);
*read += len;
}
}
if (*read != ptr->size) return M4ReadAtomFailed;
return M4OK;
}
static void LASeR_InitGenericAnimate(Render2D *sr, SFNode *node, void (*UpdateTimeNode)(TimeNode *))
{
LASeR_AnimateStack *animate_stack;
SAFEALLOC(animate_stack, sizeof(LASeR_AnimateStack))
animate_stack->time_handle.UpdateTimeNode = UpdateTimeNode;
animate_stack->time_handle.obj = node;
animate_stack->num_cycles = 0;
animate_stack->compositor = sr->compositor;
Node_SetPrivate(node, animate_stack);
Node_SetPreDestroyFunction(node, LASeR_DestroyGenericAnimate);
SR_RegisterTimeNode(animate_stack->compositor, &animate_stack->time_handle);
}
GenericCodec *Codec_UseDecoder(GenericCodec *codec, ODManager *odm)
{
GenericCodec *tmp;
if (!codec->decio) return NULL;
SAFEALLOC(tmp, sizeof(GenericCodec));
tmp->type = codec->type;
tmp->inChannels = NewChain();
tmp->Status = CODEC_STOP;
tmp->odm = odm;
tmp->flags = codec->flags | COD_IS_USE;
tmp->decio = codec->decio;
return tmp;
}
LPLASERDEC LASeR_NewDecoder(LPSCENEGRAPH scenegraph)
{
LASeRDecoder * tmp;
SAFEALLOC(tmp, sizeof(LASeRDecoder));
tmp->scenegraph = scenegraph;
if (!scenegraph) {
tmp->dec_memory_mode = 1;
tmp->conditionals = NewChain();
}
tmp->current_graph = NULL;
tmp->mx = NewMutex();
return tmp;
}
M4SubPath *new_subpath2D()
{
M4SubPath *subpath;
SAFEALLOC(subpath, sizeof (M4SubPath));
if (subpath == NULL) return NULL;
subpath->pointmax = 16;
subpath->point = malloc(sizeof (M4Point2D) * subpath->pointmax);
if (subpath->point == NULL) {
free(subpath);
return NULL;
}
return subpath;
}
Drawable *NewDrawableNode()
{
Drawable *tmp;
SAFEALLOC(tmp, sizeof(Drawable))
tmp->on_surfaces = NewChain();
tmp->path = m4_new_path();
/*init with default*/
tmp->Draw = drawable_draw;
tmp->IsPointOver = drawable_point_over;
tmp->strike_list = NewChain();
/*alloc bounds storage*/
check_bounds_size(tmp);
return tmp;
}
GF_Raster2D *gdip_LoadRenderer()
{
GdiplusStartupInput startupInput;
GF_Raster2D *driver;
struct _gdip_context *ctx;
SAFEALLOC(ctx, struct _gdip_context);
SAFEALLOC(driver, GF_Raster2D);
GdiplusStartup(&ctx->gdiToken, &startupInput, NULL);
driver->internal = ctx;
GF_REGISTER_MODULE_INTERFACE(driver, GF_RASTER_2D_INTERFACE, "GDIplus 2D Raster", "gpac distribution")
gdip_init_driver_texture(driver);
gdip_init_driver_surface(driver);
gdip_init_driver_grad(driver);
return driver;
}
BaseDecoder *NewDIVXDec()
{
MediaDecoder *ifcd;
DIVXDec *dec;
SAFEALLOC(ifcd, sizeof(MediaDecoder));
SAFEALLOC(dec, sizeof(DIVXDec));
M4_REG_PLUG(ifcd, M4MEDIADECODERINTERFACE, "DIVX Decoder", "gpac distribution", 0)
ifcd->privateStack = dec;
/*get config*/
dec->base_filters = 0;
/*setup our own interface*/
ifcd->AttachStream = DIVX_AttachStream;
ifcd->DetachStream = DIVX_DetachStream;
ifcd->GetCapabilities = DIVX_GetCapabilities;
ifcd->SetCapabilities = DIVX_SetCapabilities;
ifcd->GetName = DIVX_GetCodecName;
ifcd->CanHandleStream = DIVX_CanHandleStream;
ifcd->ProcessData = DIVX_ProcessData;
return (BaseDecoder *) ifcd;
}
M4Err avcc_Read(Atom *s, BitStream *bs, u64 *read)
{
u32 size;
char *data;
u32 i, count;
AVCConfigurationAtom *ptr = (AVCConfigurationAtom *)s;
if (ptr->config) DeleteAVCConfig(ptr->config);
SAFEALLOC(ptr->config, sizeof(AVCDecoderConfigurationRecord));
ptr->config->configurationVersion = BS_ReadInt(bs, 8);
ptr->config->AVCProfileIndication = BS_ReadInt(bs, 8);
ptr->config->profile_compatibility = BS_ReadInt(bs, 8);
ptr->config->AVCLevelIndication = BS_ReadInt(bs, 8);
BS_ReadInt(bs, 6);
ptr->config->nal_unit_size = 1 + BS_ReadInt(bs, 2);
BS_ReadInt(bs, 3);
count = ptr->config->numSequenceParameterSets = BS_ReadInt(bs, 5);
*read += 6;
ptr->config->sequenceParameterSets = malloc(sizeof(AVCConfigSlot)*count);
for (i=0; i<count; i++) {
size = BS_ReadInt(bs, 16);
data = malloc(sizeof(char) * size);
BS_ReadData(bs, data, size);
ptr->config->sequenceParameterSets[i].size = size;
ptr->config->sequenceParameterSets[i].data = data;
*read += 2+size;
}
count = ptr->config->numPictureParameterSets = BS_ReadInt(bs, 8);
*read += 1;
ptr->config->pictureParameterSets = malloc(sizeof(AVCConfigSlot)*count);
for (i=0; i<count; i++) {
size = BS_ReadInt(bs, 16);
data = malloc(sizeof(char) * size);
BS_ReadData(bs, data, size);
ptr->config->pictureParameterSets[i].size = size;
ptr->config->pictureParameterSets[i].data = data;
*read += 2+size;
}
/*"Readers should be prepared to ignore unrecognised data beyond the definition of the data they understand"*/
if (*read < ptr->size) {
BS_ReadInt(bs, (u32) (8*(ptr->size - *read)) );
*read = ptr->size;
}
return (*read != ptr->size) ? M4ReadAtomFailed : M4OK;
}
LPPROTOFIELD Proto_NewField(LPPROTO proto, u32 fieldType, u32 eventType, char *fieldName)
{
ProtoFieldInterface *tmp;
if (fieldName) {
tmp = Proto_FindFieldByName(proto, fieldName);
if (tmp) return NULL;
}
SAFEALLOC(tmp, sizeof(ProtoFieldInterface));
if (!tmp) return NULL;
tmp->FieldType = fieldType;
tmp->EventType = eventType;
/*create container - can be NULL if SF node*/
tmp->default_value = VRML_NewFieldPointer(fieldType);
if (fieldName) tmp->FieldName = strdup(fieldName);
tmp->ALL_index = ChainGetCount(proto->proto_fields);
tmp->OUT_index = tmp->DEF_index = tmp->IN_index = -1;
switch (eventType) {
case ET_ExposedField:
tmp->IN_index = proto->NumIn;
proto->NumIn ++;
tmp->OUT_index = proto->NumOut;
proto->NumOut ++;
case ET_Field:
tmp->DEF_index = proto->NumDef;
proto->NumDef ++;
break;
case ET_EventIn:
tmp->IN_index = proto->NumIn;
proto->NumIn ++;
break;
case ET_EventOut:
tmp->OUT_index = proto->NumOut;
proto->NumOut ++;
break;
}
ChainAddEntry(proto->proto_fields, tmp);
return tmp;
}
