mpeg4_nodes.c

一个用于智能手机的多媒体库适合S60 WinCE的跨平台开发库

	case GF_SG_FIELD_CODING_DYN: return 0;
	default:
		return 6;
	}
}

static GF_Err AudioSwitch_get_field_index(GF_Node *n, u32 inField, u8 IndexMode, u32 *allField)
{
	switch(IndexMode) {
	case GF_SG_FIELD_CODING_IN:
		*allField = AudioSwitch_In2All[inField];
		return GF_OK;
	case GF_SG_FIELD_CODING_DEF:
		*allField = AudioSwitch_Def2All[inField];
		return GF_OK;
	case GF_SG_FIELD_CODING_OUT:
		*allField = AudioSwitch_Out2All[inField];
		return GF_OK;
	default:
		return GF_BAD_PARAM;
	}
}
static GF_Err AudioSwitch_get_field(GF_Node *node, GF_FieldInfo *info)
{
	switch (info->fieldIndex) {
	case 0:
		info->name = "addChildren";
		info->eventType = GF_SG_EVENT_IN;
		info->on_event_in = ((M_AudioSwitch *)node)->on_addChildren;
		info->fieldType = GF_SG_VRML_MFNODE;
		info->NDTtype = NDT_SFAudioNode;
		info->far_ptr = & ((M_AudioSwitch *)node)->addChildren;
		return GF_OK;
	case 1:
		info->name = "removeChildren";
		info->eventType = GF_SG_EVENT_IN;
		info->on_event_in = ((M_AudioSwitch *)node)->on_removeChildren;
		info->fieldType = GF_SG_VRML_MFNODE;
		info->NDTtype = NDT_SFAudioNode;
		info->far_ptr = & ((M_AudioSwitch *)node)->removeChildren;
		return GF_OK;
	case 2:
		info->name = "children";
		info->eventType = GF_SG_EVENT_EXPOSED_FIELD;
		info->fieldType = GF_SG_VRML_MFNODE;
		info->NDTtype = NDT_SFAudioNode;
		info->far_ptr = & ((M_AudioSwitch *)node)->children;
		return GF_OK;
	case 3:
		info->name = "whichChoice";
		info->eventType = GF_SG_EVENT_EXPOSED_FIELD;
		info->fieldType = GF_SG_VRML_MFINT32;
		info->far_ptr = & ((M_AudioSwitch *) node)->whichChoice;
		return GF_OK;
	case 4:
		info->name = "numChan";
		info->eventType = GF_SG_EVENT_FIELD;
		info->fieldType = GF_SG_VRML_SFINT32;
		info->far_ptr = & ((M_AudioSwitch *) node)->numChan;
		return GF_OK;
	case 5:
		info->name = "phaseGroup";
		info->eventType = GF_SG_EVENT_FIELD;
		info->fieldType = GF_SG_VRML_MFINT32;
		info->far_ptr = & ((M_AudioSwitch *) node)->phaseGroup;
		return GF_OK;
	default:
		return GF_BAD_PARAM;
	}
}


static s32 AudioSwitch_get_field_index_by_name(char *name)
{
	if (!strcmp("addChildren", name)) return 0;
	if (!strcmp("removeChildren", name)) return 1;
	if (!strcmp("children", name)) return 2;
	if (!strcmp("whichChoice", name)) return 3;
	if (!strcmp("numChan", name)) return 4;
	if (!strcmp("phaseGroup", name)) return 5;
	return -1;
	}
static Bool AudioSwitch_get_aq_info(GF_Node *n, u32 FieldIndex, u8 *QType, u8 *AType, Fixed *b_min, Fixed *b_max, u32 *QT13_bits)
{
	switch (FieldIndex) {
	case 3:
		*AType = 0;
		*QType = 13;
		*QT13_bits = 1;
		*b_min = FLT2FIX(0);
		*b_max = FLT2FIX(1);
		return 1;
	case 4:
		*AType = 0;
		*QType = 13;
		*QT13_bits = 8;
		*b_min = FLT2FIX(0);
		*b_max = FLT2FIX(255);
		return 1;
	case 5:
		*AType = 0;
		*QType = 13;
		*QT13_bits = 8;
		*b_min = FLT2FIX(0);
		*b_max = FLT2FIX(255);
		return 1;
	default:
		return 0;
	}
}



GF_Node *AudioSwitch_Create()
{
	M_AudioSwitch *p;
	GF_SAFEALLOC(p, M_AudioSwitch);
	if(!p) return NULL;
	gf_node_setup((GF_Node *)p, TAG_MPEG4_AudioSwitch);
	gf_sg_vrml_parent_setup((GF_Node *) p);

#ifdef GF_NODE_USE_POINTERS
	((GF_Node *)p)->sgprivate->name = "AudioSwitch";
	((GF_Node *)p)->sgprivate->node_del = AudioSwitch_Del;
	((GF_Node *)p)->sgprivate->get_field_count = AudioSwitch_get_field_count;
	((GF_Node *)p)->sgprivate->get_field = AudioSwitch_get_field;
#endif


	/*default field values*/
	p->numChan = 1;
	return (GF_Node *)p;
}


/*
	Background Node deletion
*/

static void Background_Del(GF_Node *node)
{
	M_Background *p = (M_Background *) node;
	gf_sg_mffloat_del(p->groundAngle);
	gf_sg_mfcolor_del(p->groundColor);
	gf_sg_mfurl_del(p->backUrl);
	gf_sg_mfurl_del(p->bottomUrl);
	gf_sg_mfurl_del(p->frontUrl);
	gf_sg_mfurl_del(p->leftUrl);
	gf_sg_mfurl_del(p->rightUrl);
	gf_sg_mfurl_del(p->topUrl);
	gf_sg_mffloat_del(p->skyAngle);
	gf_sg_mfcolor_del(p->skyColor);
	gf_node_free((GF_Node *) p);
}

static const u16 Background_Def2All[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
static const u16 Background_In2All[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
static const u16 Background_Out2All[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11};
static const u16 Background_Dyn2All[] = { 1, 2, 9, 10};

static u32 Background_get_field_count(GF_Node *node, u8 IndexMode)
{
	switch(IndexMode) {
	case GF_SG_FIELD_CODING_IN: return 11;
	case GF_SG_FIELD_CODING_DEF: return 10;
	case GF_SG_FIELD_CODING_OUT: return 11;
	case GF_SG_FIELD_CODING_DYN: return 4;
	default:
		return 12;
	}
}

static GF_Err Background_get_field_index(GF_Node *n, u32 inField, u8 IndexMode, u32 *allField)
{
	switch(IndexMode) {
	case GF_SG_FIELD_CODING_IN:
		*allField = Background_In2All[inField];
		return GF_OK;
	case GF_SG_FIELD_CODING_DEF:
		*allField = Background_Def2All[inField];
		return GF_OK;
	case GF_SG_FIELD_CODING_OUT:
		*allField = Background_Out2All[inField];
		return GF_OK;
	case GF_SG_FIELD_CODING_DYN:
		*allField = Background_Dyn2All[inField];
		return GF_OK;
	default:
		return GF_BAD_PARAM;
	}
}
static GF_Err Background_get_field(GF_Node *node, GF_FieldInfo *info)
{
	switch (info->fieldIndex) {
	case 0:
		info->name = "set_bind";
		info->eventType = GF_SG_EVENT_IN;
		info->on_event_in = ((M_Background *)node)->on_set_bind;
		info->fieldType = GF_SG_VRML_SFBOOL;
		info->far_ptr = & ((M_Background *) node)->set_bind;
		return GF_OK;
	case 1:
		info->name = "groundAngle";
		info->eventType = GF_SG_EVENT_EXPOSED_FIELD;
		info->fieldType = GF_SG_VRML_MFFLOAT;
		info->far_ptr = & ((M_Background *) node)->groundAngle;
		return GF_OK;
	case 2:
		info->name = "groundColor";
		info->eventType = GF_SG_EVENT_EXPOSED_FIELD;
		info->fieldType = GF_SG_VRML_MFCOLOR;
		info->far_ptr = & ((M_Background *) node)->groundColor;
		return GF_OK;
	case 3:
		info->name = "backUrl";
		info->eventType = GF_SG_EVENT_EXPOSED_FIELD;
		info->fieldType = GF_SG_VRML_MFURL;
		info->far_ptr = & ((M_Background *) node)->backUrl;
		return GF_OK;
	case 4:
		info->name = "bottomUrl";
		info->eventType = GF_SG_EVENT_EXPOSED_FIELD;
		info->fieldType = GF_SG_VRML_MFURL;
		info->far_ptr = & ((M_Background *) node)->bottomUrl;
		return GF_OK;
	case 5:
		info->name = "frontUrl";
		info->eventType = GF_SG_EVENT_EXPOSED_FIELD;
		info->fieldType = GF_SG_VRML_MFURL;
		info->far_ptr = & ((M_Background *) node)->frontUrl;
		return GF_OK;
	case 6:
		info->name = "leftUrl";
		info->eventType = GF_SG_EVENT_EXPOSED_FIELD;
		info->fieldType = GF_SG_VRML_MFURL;
		info->far_ptr = & ((M_Background *) node)->leftUrl;
		return GF_OK;
	case 7:
		info->name = "rightUrl";
		info->eventType = GF_SG_EVENT_EXPOSED_FIELD;
		info->fieldType = GF_SG_VRML_MFURL;
		info->far_ptr = & ((M_Background *) node)->rightUrl;
		return GF_OK;
	case 8:
		info->name = "topUrl";
		info->eventType = GF_SG_EVENT_EXPOSED_FIELD;
		info->fieldType = GF_SG_VRML_MFURL;
		info->far_ptr = & ((M_Background *) node)->topUrl;
		return GF_OK;
	case 9:
		info->name = "skyAngle";
		info->eventType = GF_SG_EVENT_EXPOSED_FIELD;
		info->fieldType = GF_SG_VRML_MFFLOAT;
		info->far_ptr = & ((M_Background *) node)->skyAngle;
		return GF_OK;
	case 10:
		info->name = "skyColor";
		info->eventType = GF_SG_EVENT_EXPOSED_FIELD;
		info->fieldType = GF_SG_VRML_MFCOLOR;
		info->far_ptr = & ((M_Background *) node)->skyColor;
		return GF_OK;
	case 11:
		info->name = "isBound";
		info->eventType = GF_SG_EVENT_OUT;
		info->fieldType = GF_SG_VRML_SFBOOL;
		info->far_ptr = & ((M_Background *) node)->isBound;
		return GF_OK;
	default:
		return GF_BAD_PARAM;
	}
}


static s32 Background_get_field_index_by_name(char *name)
{
	if (!strcmp("set_bind", name)) return 0;
	if (!strcmp("groundAngle", name)) return 1;
	if (!strcmp("groundColor", name)) return 2;
	if (!strcmp("backUrl", name)) return 3;
	if (!strcmp("bottomUrl", name)) return 4;
	if (!strcmp("frontUrl", name)) return 5;
	if (!strcmp("leftUrl", name)) return 6;
	if (!strcmp("rightUrl", name)) return 7;
	if (!strcmp("topUrl", name)) return 8;
	if (!strcmp("skyAngle", name)) return 9;
	if (!strcmp("skyColor", name)) return 10;
	if (!strcmp("isBound", name)) return 11;
	return -1;
	}
static Bool Background_get_aq_info(GF_Node *n, u32 FieldIndex, u8 *QType, u8 *AType, Fixed *b_min, Fixed *b_max, u32 *QT13_bits)
{
	switch (FieldIndex) {
	case 1:
		*AType = 8;
		*QType = 6;
		*b_min = FLT2FIX(0);
		*b_max = FLT2FIX(1.5707963);
		return 1;
	case 2:
		*AType = 4;
		*QType = 4;
		*b_min = FLT2FIX(0);
		*b_max = FLT2FIX(1);
		return 1;
	case 9:
		*AType = 8;
		*QType = 6;
		*b_min = FLT2FIX(0);
		*b_max = FLT2FIX(3.14159265);
		return 1;
	case 10:
		*AType = 4;
		*QType = 4;
		*b_min = FLT2FIX(0);
		*b_max = FLT2FIX(1);
		return 1;
	default:
		return 0;
	}
}



GF_Node *Background_Create()
{
	M_Background *p;
	GF_SAFEALLOC(p, M_Background);
	if(!p) return NULL;
	gf_node_setup((GF_Node *)p, TAG_MPEG4_Background);

#ifdef GF_NODE_USE_POINTERS
	((GF_Node *)p)->sgprivate->name = "Background";
	((GF_Node *)p)->sgprivate->node_del = Background_Del;
	((GF_Node *)p)->sgprivate->get_field_count = Background_get_field_count;
	((GF_Node *)p)->sgprivate->get_field = Background_get_field;
#endif


	/*default field values*/
	p->skyColor.vals = (SFColor*)malloc(sizeof(SFColor)*1);
	p->skyColor.count = 1;
	p->skyColor.vals[0].red = FLT2FIX(0);
	p->skyColor.vals[0].green = FLT2FIX(0);
	p->skyColor.vals[0].blue = FLT2FIX(0);
	return (GF_Node *)p;
}


/*
	Background2D Node deletion
*/

static void Background2D_Del(GF_Node *node)
{
	M_Background2D *p = (M_Background2D *) node;
	gf_sg_mfurl_del(p->url);
	gf_node_free((GF_Node *) p);
}

static const u16 Background2D_Def2All[] = { 1, 2};
static const u16 Background2D_In2All[] = { 0, 1, 2};
static const u16 Background2D_Out2All[] = { 1, 2, 3};
static const u16 Background2D_Dyn2All[] = { 1};

static u32 Background2D_get_field_count(GF_Node *node, u8 IndexMode)
{
	switch(IndexMode) {
	case GF_SG_FIELD_CODING_IN: return 3;
	case GF_SG_FIELD_CODING_DEF: return 2;
	case GF_SG_FIELD_CODING_OUT: return 3;
	case GF_SG_FIELD_CODING_DYN: return 1;
	default:
		return 4;
	}
}

static GF_Err Background2D_get_field_index(GF_Node *n, u32 inField, u8 IndexMode, u32 *allField)
{
	switch(IndexMode) {
	case GF_SG_FIELD_CODING_IN:
		*allField = Background2D_In2All[inField];
		return GF_OK;
	case GF_SG_FIELD_CODING_DEF:
		*allField = Background2D_Def2All[inField];
		return GF_OK;
	case GF_SG_FIELD_CODING_OUT:
		*allField = Background2D_Out2All[inField];
		return GF_OK;
	case GF_SG_FIELD_CODING_DYN:
		*allField = Background2D_Dyn2All[inField];
		return GF_OK;
	default:
		return GF_BAD_PARAM;
	}
}
static GF_Err Background2D_get_field(GF_Node *node, GF_FieldInfo *info)
{
	switch (info->fieldIndex) {
	case 0:
		info->name = "set_bind";
		info->eventType = GF_SG_EVENT_IN;
		info->on_event_in = ((M_Background2D *)node)->on_set_bind;
		info->fieldType = GF_SG_VRML_SFBOOL;
		info->far_ptr = & ((M_Background2D *) node)->set_bind;
		return GF_OK;
	case 1:
		info->name = "backColor";
		info->eventType = GF_SG_EVENT_EXPOSED_FIELD;
		info->fieldType = GF_SG_VRML_SFCOLOR;
		info->far_ptr = & ((M_Background2D *) node)->backColor;
		return GF_OK;
	case 2:
		info->name = "url";
		info->eventType = GF_SG_EVENT_EXPOSED_FIELD;
		info->fieldType = GF_SG_VRML_MFURL;
		info->far_ptr = & ((M_Background2D *) node)->url;
		return GF_OK;
	case 3:
		info->name = "isBound";
		info->eventType = GF_SG_EVENT_OUT;
		info->fieldType = GF_SG_VRML_SFBOOL;
		info->far_ptr = & ((M_Background2D *) node)->isBound;
		return GF_OK;
	default:
		return GF_BAD_PARAM;
	}
}


static s32 Background2D_get_field_index_by_name(char *name)
{
	if (!strcmp("set_bind", name)) return 0;
	if (!strcmp("backColor", name)) return 1;
	if (!strcmp("url", name)) return 2;
	if (!strcmp("isBound", name)) return 3;
	return -1;
	}
static Bool Background2D_get_aq_info(GF_Node *n, u32 FieldIndex, u8 *QType, u8 *AType, Fixed *b_min, Fixed *b_max, u32 *QT13_bits)
{
	switch (FieldIndex) {
	case 1:
		*AType = 4;
		*QType = 4;
		*b_min = FLT2FIX(0);
		*b_max = FLT2FIX(1);
		return 1;
	default:
		return 0;
	}
}



GF_Node *Background2D_Create()
{
	M_Background2D *p;
	GF_SAFEALLOC(p, M_Background2D);
	if(!p) return NULL;
	gf_node_setup((GF_Node *)p, TAG_MPEG4_Background2D);

#ifdef GF_NODE_USE_POINTERS
	((GF_Node *)p)->sgprivate->name = "Background2D";
	((GF_Node *)p)->sgprivate->node_del = Background2D_Del;
	((GF_Node *)p)->sgprivate->get_field_count = Background2D_get_field_count;
	((GF_Node *)p)->sgprivate->get_field = Background2D_get_field;
#endif


	/*default field values*/
	p->backColor.red = FLT2FIX(0);
	p->backColor.green = FLT2FIX(0);
	p->backColor.blue = FLT2FIX(0);
	return (GF_Node *)p;
}


/*
	Billboard Node deletion
*/

static void Billboard_Del(GF_Node *node)
{
	M_Billboard *p = (M_Billboard *) node;
	gf_sg_vrml_parent_destroy((GF_Node *) p);	
	gf_node_free((GF_Node *) p);
}

static const u16 Billboard_Def2All[] = { 2, 3};
static const u16 Billboard_In2All[] = { 0, 1, 2, 3};
static const u16 Billboard_Out2All[] = { 2, 3};
static const u16 Billboard_Dyn2All[] = { 3};

static u32 Billboard_get_field_count(GF_Node *node, u8 IndexMode)
{
	switch(IndexMode) {
	case GF_SG_FIELD_CODING_IN: return 4;
	case GF_SG_FIELD_CODING_DEF: return 2;
	case GF_SG_FIELD_CODING_OUT: return 2;
	case GF_SG_FIELD_CODING_DYN: return 1;
	default:
		return 4;
	}
}

static GF_Err Billboard_get_field_index(GF_Node *n, u32 inField, u8 IndexMode, u32 *allField)
{
	switch(IndexMode) {
	case GF_SG_FIELD_CODING_IN: