Add SkyReels V2: Infinite-Length Film Generative Model

src/diffusers/__init__.py

@@ -198,6 +198,7 @@
             "SD3ControlNetModel",
             "SD3MultiControlNetModel",
             "SD3Transformer2DModel",
+            "SkyReelsV2Transformer3DModel",
             "SparseControlNetModel",
             "StableAudioDiTModel",
             "StableCascadeUNet",
@@ -272,6 +273,7 @@
             "FlowMatchEulerDiscreteScheduler",
             "FlowMatchHeunDiscreteScheduler",
             "FlowMatchLCMScheduler",
+            "FlowMatchUniPCMultistepScheduler",
             "HeunDiscreteScheduler",
             "IPNDMScheduler",
             "KarrasVeScheduler",
@@ -445,6 +447,10 @@
             "SemanticStableDiffusionPipeline",
             "ShapEImg2ImgPipeline",
             "ShapEPipeline",
+            "SkyreelsV2DiffusionForcingImageToVideoPipeline",
+            "SkyreelsV2DiffusionForcingPipeline",
+            "SkyreelsV2ImageToVideoPipeline",
+            "SkyreelsV2Pipeline",
             "StableAudioPipeline",
             "StableAudioProjectionModel",
             "StableCascadeCombinedPipeline",
@@ -803,6 +809,7 @@
             SD3ControlNetModel,
             SD3MultiControlNetModel,
             SD3Transformer2DModel,
+            SkyReelsV2Transformer3DModel,
             SparseControlNetModel,
             StableAudioDiTModel,
             T2IAdapter,
@@ -875,6 +882,7 @@
             FlowMatchEulerDiscreteScheduler,
             FlowMatchHeunDiscreteScheduler,
             FlowMatchLCMScheduler,
+            FlowMatchUniPCMultistepScheduler,
             HeunDiscreteScheduler,
             IPNDMScheduler,
             KarrasVeScheduler,
@@ -1029,6 +1037,10 @@
             SemanticStableDiffusionPipeline,
             ShapEImg2ImgPipeline,
             ShapEPipeline,
+            SkyreelsV2DiffusionForcingImageToVideoPipeline,
+            SkyreelsV2DiffusionForcingPipeline,
+            SkyreelsV2ImageToVideoPipeline,
+            SkyreelsV2Pipeline,
             StableAudioPipeline,
             StableAudioProjectionModel,
             StableCascadeCombinedPipeline,

src/diffusers/models/__init__.py

@@ -87,6 +87,7 @@
     _import_structure["transformers.transformer_mochi"] = ["MochiTransformer3DModel"]
     _import_structure["transformers.transformer_omnigen"] = ["OmniGenTransformer2DModel"]
     _import_structure["transformers.transformer_sd3"] = ["SD3Transformer2DModel"]
+    _import_structure["transformers.transformer_skyreels_v2"] = ["SkyReelsV2Transformer3DModel"]
     _import_structure["transformers.transformer_temporal"] = ["TransformerTemporalModel"]
     _import_structure["transformers.transformer_wan"] = ["WanTransformer3DModel"]
     _import_structure["unets.unet_1d"] = ["UNet1DModel"]
@@ -173,6 +174,7 @@
             PriorTransformer,
             SanaTransformer2DModel,
             SD3Transformer2DModel,
+            SkyReelsV2Transformer3DModel,
             StableAudioDiTModel,
             T5FilmDecoder,
             Transformer2DModel,

src/diffusers/models/transformers/__init__.py

@@ -30,5 +30,6 @@
     from .transformer_mochi import MochiTransformer3DModel
     from .transformer_omnigen import OmniGenTransformer2DModel
     from .transformer_sd3 import SD3Transformer2DModel
+    from .transformer_skyreels_v2 import SkyReelsV2Transformer3DModel
     from .transformer_temporal import TransformerTemporalModel
     from .transformer_wan import WanTransformer3DModel