BIFS Implementation Status

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The following table is a detailed listing of supported MPEG-4 nodes in GPAC.

This is not a bug tracker page, in other words it is quite possible that some nodes listed as supported have strange behaviors. In such a case please report on our tracker.

MPEG-4 Scene Description Version 1

Node	Rendering	Notes
Anchor	Supported
AnimationStream	Supported
Appearance	Supported
AudioBuffer	Supported	for natural audio, not MPEG-4 SA
AudioClip	Supported
AudioDelay	Not Supported
AudioFX	Not Supported
AudioMix	Not Supported
AudioSource	Supported	for natural audio, not MPEG-4 SA
AudioSwitch	Not Supported
Background	Supported
Background2D	Supported
Billboard	Supported
Bitmap	Supported
Box	Supported
Circle	Supported
Collision	Supported
Color	Supported
ColorInterpolator	Supported
CompositeTexture2D	Supported
CompositeTexture3D	Supported
Conditional	Supported
Cone	Supported
Coordinate	Supported
Coordinate2D	Supported
CoordinateInterpolator	Supported
CoordinateInterpolator2D	Supported
Curve2D	Supported
Cylinder	Supported
CylinderSensor	Supported
DirectionalLight	Supported
DiscSensor	Supported
ElevationGrid	Supported
Expression	Supported
Extrusion	Supported
Face	Supported
FaceDefMesh	Supported
FaceDefTables	Supported
FaceDefTransform	Supported
FAP	Supported
FDP	Supported
FIT	Supported
Fog	Supported
FontStyle	Supported
Form	Supported
Group	Supported
ImageTexture	Supported
IndexedFaceSet	Supported
IndexedFaceSet2D	Supported
IndexedLineSet	Supported
IndexedLineSet2D	Supported
Inline	Supported
LOD	Supported
Layer2D	Supported
Layer3D	Supported
Layout	Supported
LineProperties	Supported
ListeningPoint	Not Supported
Material	Supported
Material2D	Supported
NavigationInfo	Supported
Normal	Supported
NormalInterpolator	Supported
OrderedGroup	Supported
OrientationInterpolator	Supported
PixelTexture	Supported
PlaneSensor	Supported
PlaneSensor2D	Supported
PointLight	Supported
PointSet	Supported
PointSet2D	Supported
PositionInterpolator	Supported
PositionInterpolator2D	Supported
ProximitySensor2D	Supported
ProximitySensor	Supported
QuantizationParameter	Supported
Rectangle	Supported
ScalarInterpolator	Supported
Script	Supported
Shape	Supported
Sound	Supported	Stereo spatializer only
Sound2D	Supported
Sphere	Supported
SphereSensor	Supported
SpotLight	Supported
Switch	Supported
TermCap	Supported	Partial support of caps
Text	Supported
TextureCoordinate	Supported
TextureTransform	Supported
TimeSensor	Supported
TouchSensor	Supported
Transform	Supported
Transform2D	Supported
Valuator	Supported
Viewpoint	Supported
VisibilitySensor	Supported
Viseme	Supported
WorldInfo	Supported

Note: VRML 97 nodes not included in MPEG-4 are not supported and will ** NEVER ** be. Their X3D equivalents are not supported but will be some day...

MPEG-4 Scene Description Version 2

Node	Rendering	Notes
AcousticMaterial	Not Supported
AcousticScene	Not Supported
ApplicationWindow	Not Supported
BAP	Not Supported
BDP	Not Supported
Body	Not Supported
BodyDefTable	Not Supported
BodySegmentConnectionHint	Not Supported
DirectiveSound	Not Supported
Hierarchical3DMesh	Not Supported
MaterialKey	Supported
PerceptualParameters	Not Supported

MPEG-4 Scene Description Version 3

Node	Rendering	Notes
TemporalTransform	Not Supported
TemporalGroup	Not Supported
ServerCommand	Not Supported

MPEG-4 Scene Description Version 4

Node	Rendering	Notes
InputSensor	Supported
MatteTexture	Not Supported
MediaBuffer	Not Supported
MediaControl	Supported
MediaSensor	Supported

MPEG-4 Scene Description Version 5

Node	Rendering	Notes
BitWrapper	Supported	depends on the attached AFX decoder
CoordinateInterpolator4D	Supported
DepthImage	Not Supported
FFD	Not Supported
MeshGrid	Not Supported
NonLinearDeformer	Supported
NurbsCurve	Not Supported
NurbsCurve2D	Not Supported
NurbsSurface	Not Supported
OctreeImage	Not Supported
PointTexture	Not Supported
PositionAnimator	Supported
PositionAnimator2D	Supported
PositionInterpolator4D	Supported
ProceduralTexture	Not Supported
SBBone	Not Supported
SBMuscle	Not Supported
SBSegment	Not Supported
SBSite	Not Supported
SBSkinnedModel	Not Supported
SBVCAnimation	Not Supported
ScalarAnimator	Supported
SimpleTexture	Not Supported
SubdivisionSurface	Not Supported
SubdivSurfaceSector	Not Supported
WaveletSubdivisionSurface	Not Supported

MPEG-4 Scene Description Version 6

Node	Rendering	Notes
Clipper2D	Not Supported
ColorTransform	Supported
Ellipse	Supported
LinearGradient	Supported
PathLayout	Supported
RadialGradient	Supported
SynthesizedTexture	Not Supported
TransformMatrix2D	Supported
Viewport	Supported
XCurve2D	Supported
XFontStyle	Not Supported
XLineProperties	Supported