Migrate Qwen2 inputs to TensorSchema (#23475)

Signed-off-by: Benji Beck <benjibeck@meta.com>
Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

vllm/model_executor/models/qwen2_5_omni_thinker.py

@@ -25,7 +25,7 @@
 from collections.abc import Iterable, Mapping, Sequence
 from copy import copy
 from functools import partial
-from typing import Any, Callable, Optional, Union
+from typing import Annotated, Any, Callable, Literal, Optional, Union
 
 import torch
 import torch.nn as nn
@@ -41,15 +41,13 @@ from transformers.models.whisper import WhisperFeatureExtractor
 from vllm.config import VllmConfig
 from vllm.logger import init_logger
 from vllm.model_executor.layers.rotary_embedding import MRotaryEmbedding
-from vllm.model_executor.models.module_mapping import MultiModelKeys
 from vllm.model_executor.models.qwen2_5_vl import (
     Qwen2_5_VisionTransformer, Qwen2_5_VLImageEmbeddingInputs,
     Qwen2_5_VLImageInputs, Qwen2_5_VLImagePixelInputs,
     Qwen2_5_VLProcessingInfo, Qwen2_5_VLVideoEmbeddingInputs,
     Qwen2_5_VLVideoInputs, Qwen2_5_VLVideoPixelInputs)
 from vllm.model_executor.models.qwen2_audio import (
-    Qwen2AudioFeatureInputs, Qwen2AudioProcessingInfo,
+    Qwen2AudioProcessingInfo, _get_feat_extract_output_lengths)
-    _get_feat_extract_output_lengths)
 from vllm.model_executor.models.qwen2_vl import Qwen2VLMultiModalDataParser
 from vllm.model_executor.sampling_metadata import SamplingMetadata
 from vllm.multimodal import MULTIMODAL_REGISTRY
@@ -66,9 +64,9 @@ from vllm.multimodal.processing import (BaseMultiModalProcessor,
 from vllm.multimodal.profiling import BaseDummyInputsBuilder
 from vllm.sequence import IntermediateTensors
 from vllm.transformers_utils.tokenizer import decode_tokens, encode_tokens
+from vllm.utils.tensor_schema import TensorSchema, TensorShape
 
-from .interfaces import (MultiModalEmbeddings, SupportsLoRA,
+from .interfaces import MultiModalEmbeddings, SupportsMultiModal, SupportsPP
-                         SupportsMultiModal, SupportsPP)
 from .utils import (AutoWeightsLoader, WeightsMapper,
                     init_vllm_registered_model, maybe_prefix,
                     merge_multimodal_embeddings)
@@ -81,6 +79,26 @@ except (ImportError, ModuleNotFoundError):
 logger = init_logger(__name__)
 
 
+class Qwen2_5OmniAudioFeatureInputs(TensorSchema):
+    """
+    Dimensions:
+        - na: Number of audios
+        - nmb: Number of mel bins
+        - msl: Maximum sequence length
+        - tsl: Total sequence length
+    """
+    type: Literal["audio_features"]
+    input_features: Annotated[
+        Union[torch.Tensor, list[torch.Tensor]],
+        TensorShape("nmb", "tsl"),
+    ]
+
+    feature_attention_mask: Annotated[
+        torch.Tensor,
+        TensorShape("na", "msl"),
+    ]
+
+
 def create_qwen2_5_omni_thinker_field_factory(
     spatial_merge_size: int
 ) -> Callable[[Mapping[str, torch.Tensor]], Mapping[str,
@@ -536,7 +554,7 @@ class Qwen2_5OmniConditionalGenerationMixin:
             return torch.concat(mm_input, dim=dim)
 
     def _parse_and_validate_audio_input(
-            self, **kwargs: object) -> Optional[Qwen2AudioFeatureInputs]:
+            self, **kwargs: object) -> Optional[Qwen2_5OmniAudioFeatureInputs]:
         input_audio_features = kwargs.pop('input_audio_features', None)
         audio_feature_lengths = kwargs.pop('audio_feature_lengths', None)
         feature_attention_mask = kwargs.pop('feature_attention_mask', None)
@@ -550,7 +568,8 @@ class Qwen2_5OmniConditionalGenerationMixin:
         if not isinstance(input_audio_features, (torch.Tensor, list)):
             raise ValueError("Incorrect type of audio input features. "
                              f"Got type: {type(input_audio_features)}")
-        return Qwen2AudioFeatureInputs(
+        return Qwen2_5OmniAudioFeatureInputs(
+            type="audio_features",
             input_features=input_audio_features,
             audio_feature_lengths=audio_feature_lengths,
             feature_attention_mask=feature_attention_mask)
@@ -633,7 +652,7 @@ class Qwen2_5OmniConditionalGenerationMixin:
 
     def _process_audio_input(
         self,
-        audio_input: Qwen2AudioFeatureInputs,
+        audio_input: Qwen2_5OmniAudioFeatureInputs,
         audio_hashes: list[str] = None,
         cached_audio_features: torch.Tensor = None,
     ) -> torch.Tensor:
@@ -660,8 +679,8 @@ class Qwen2_5OmniConditionalGenerationMixin:
             feature_lens=audio_feature_lengths,
             aftercnn_lens=audio_feat_lengths,
         )
-        audio_features = audio_outputs.last_hidden_state
+        return audio_outputs.last_hidden_state.split(
-        return audio_features.split(audio_output_lengths.tolist())
+            audio_output_lengths.tolist())
 
     def _process_image_input(
             self,
@@ -707,7 +726,7 @@ class Qwen2_5OmniConditionalGenerationMixin:
     dummy_inputs=Qwen2_5OmniThinkerDummyInputsBuilder,
 )
 class Qwen2_5OmniThinkerForConditionalGeneration(
-        nn.Module, SupportsMultiModal, SupportsPP, SupportsLoRA,
+        nn.Module, SupportsMultiModal, SupportsPP,
         Qwen2_5OmniConditionalGenerationMixin):
     hf_to_vllm_mapper = WeightsMapper(
         orig_to_new_prefix={
@@ -800,15 +819,6 @@ class Qwen2_5OmniThinkerForConditionalGeneration(
     def get_language_model(self) -> torch.nn.Module:
         return self.language_model
 
-    def get_mm_mapping(self) -> MultiModelKeys:
-        """Get module prefix for multimodal models to filter LoRA modules."""
-        return MultiModelKeys.from_string_field(
-            language_model="language_model",
-            connector=[],  # No explicit connector in this model
-            tower_model=["visual",
-                         "audio_tower"],  # Exclude vision and audio towers
-        )
-
     def get_multimodal_embeddings(self,
                                   **kwargs: object) -> MultiModalEmbeddings:
 

vllm/model_executor/models/qwen2_5_vl.py

@@ -27,7 +27,7 @@
 """Inference-only Qwen2.5-VL model compatible with HuggingFace weights."""
 from collections.abc import Iterable, Mapping
 from functools import lru_cache, partial
-from typing import Callable, Literal, Optional, TypedDict, Union
+from typing import Annotated, Callable, Literal, Optional, Union
 
 import torch
 import torch.nn as nn
@@ -64,6 +64,7 @@ from vllm.multimodal.utils import run_dp_sharded_mrope_vision_model
 from vllm.platforms import _Backend
 from vllm.sequence import IntermediateTensors
 from vllm.transformers_utils.config import uses_mrope
+from vllm.utils.tensor_schema import TensorSchema, TensorShape
 
 from .interfaces import (MultiModalEmbeddings, SupportsLoRA,
                          SupportsMultiModal, SupportsPP, SupportsQuant)
@@ -80,84 +81,125 @@ logger = init_logger(__name__)
 # === Vision Inputs === #
 
 
-class Qwen2_5_VLImagePixelInputs(TypedDict):
+class Qwen2_5_VLImagePixelInputs(TensorSchema):
+    """
+    Dimensions:
+        - np: Number of patches
+        - ni: Number of images
+        - cps: Number of channels * patch_size * patch_size
+    
+    Historical context:
+        - pixel_values shape: (num_patches, num_channels * patch_size * 
+          patch_size)
+        - image_grid_thw shape: (num_images, 3) in (grid_t, grid_h, grid_w)
+          formatnum_channels * patch_size * patch_size
+    """
     type: Literal["pixel_values"]
-    pixel_values: torch.Tensor
+
-    """Shape:
+    pixel_values: Annotated[
-    `(num_patches, num_channels * patch_size * patch_size)`
+        torch.Tensor,
+        TensorShape("np", "cps"),
+    ]
+
+    image_grid_thw: Annotated[
+        torch.Tensor,
+        TensorShape("ni", 3),
+    ]
+
+
+class Qwen2_5_VLImageEmbeddingInputs(TensorSchema):
     """
-
+    Dimensions:
-    image_grid_thw: torch.Tensor
+        - nf: Number of image features
-    """Shape: `(num_images, 3)`
+        - hs: Hidden size
-    This should be in `(grid_t, grid_h, grid_w)` format.
+        - ni: Number of images
+    
+    Historical context:
+        - image_embeds shape: (num_image_features, hidden_size)
+        - num_image_features varies based on the number and resolution of the
+          images.
+        - hidden_size must match the hidden size of language model backbone.
+        - image_grid_thw shape: (num_images, 3) in (grid_t, grid_h, grid_w)
+          format
     """
-
-
-class Qwen2_5_VLImageEmbeddingInputs(TypedDict):
     type: Literal["image_embeds"]
-    image_embeds: torch.Tensor
-    """Supported types:
-    - list[`torch.Tensor`]: A list of tensors holding all images' features.
-        Each tensor holds an image's features.
-    - `torch.Tensor`: A tensor holding all images' features
-        (concatenation of all images' feature tensors).
 
-    Tensor shape: `(num_image_features, hidden_size)`
+    image_embeds: Annotated[
-    - `num_image_features` varies based on
+        torch.Tensor,
-        the number and resolution of the images.
+        TensorShape("nf", "hs"),
-    - `hidden_size` must match the hidden size of language model backbone.
+    ]
-    """
 
-    image_grid_thw: torch.Tensor
+    image_grid_thw: Annotated[
-    """Shape: `(num_images, 3)`
+        torch.Tensor,
-    This should be in `(grid_t, grid_h, grid_w)` format.
+        TensorShape("ni", 3),
-    """
+    ]
 
 
 Qwen2_5_VLImageInputs = Union[Qwen2_5_VLImagePixelInputs,
                               Qwen2_5_VLImageEmbeddingInputs]
 
 
-class Qwen2_5_VLVideoPixelInputs(TypedDict):
+class Qwen2_5_VLVideoPixelInputs(TensorSchema):
+    """
+    Dimensions:
+        - np: Number of patches
+        - nv: Number of videos
+        - ctps: Number of channels * temporal_patch_size * patch_size * 
+          patch_size
+    
+    Historical context:
+        - pixel_values_videos shape: (num_patches, num_channels * 
+          temporal_patch_size * patch_size * patch_size)
+        - video_grid_thw shape: (num_videos, 3) in (grid_t, grid_h, grid_w)
+          format
+        - second_per_grid_ts: The video time interval (in seconds) for each
+          grid along the temporal dimension in the 3D position IDs. Returned
+          when `videos` is not `None`.
+    """
     type: Literal["pixel_values_videos"]
-    pixel_values_videos: torch.Tensor
+
-    """Shape:
+    pixel_values_videos: Annotated[
-    `(num_patches,
+        torch.Tensor,
-      num_channels * temporal_patch_size * patch_size * patch_size)`
+        TensorShape("np", "ctps"),
+    ]
+
+    video_grid_thw: Annotated[
+        torch.Tensor,
+        TensorShape("nv", 3),
+    ]
+
+    second_per_grid_ts: Annotated[
+        Optional[torch.Tensor],
+        TensorShape("nv"),
+    ]
+
+
+class Qwen2_5_VLVideoEmbeddingInputs(TensorSchema):
     """
-
+    Dimensions:
-    video_grid_thw: torch.Tensor
+        - nf: Number of video features
-    """Shape: `(num_videos, 3)`
+        - hs: Hidden size
-
+        - nv: Number of videos
-    This should be in `(grid_t, grid_h, grid_w)` format.
+    
+    Historical context:
+        - video_embeds shape: (num_video_features, hidden_size)
+        - num_video_features varies based on the number and resolution of the
+          videos.
+        - hidden_size must match the hidden size of language model backbone.
+        - video_grid_thw shape: (num_videos, 3) in (grid_t, grid_h, grid_w)
+          format
     """
-
-    second_per_grid_ts: torch.Tensor
-    """
-    The video time interval (in seconds) for each grid along the temporal
-    dimension in the 3D position IDs. Returned when `videos` is not `None`.
-    """
-
-
-class Qwen2_5_VLVideoEmbeddingInputs(TypedDict):
     type: Literal["video_embeds"]
-    video_embeds: torch.Tensor
-    """Supported types:
-    - list[`torch.Tensor`]: A list of tensors holding all videos' features.
-        Each tensor holds an video's features.
-    - `torch.Tensor`: A tensor holding all videos' features
-      (concatenation of all videos' feature tensors).
 
-    Tensor shape: `(num_image_features, hidden_size)`
+    video_embeds: Annotated[
-    - `num_image_features` varies based on
+        torch.Tensor,
-        the number and resolution of the videos.
+        TensorShape("nf", "hs"),
-    - `hidden_size` must match the hidden size of language model backbone.
+    ]
-    """
 
-    video_grid_thw: torch.Tensor
+    video_grid_thw: Annotated[
-    """Shape: `(num_videos, 3)`
+        torch.Tensor,
-    This should be in `(grid_t, grid_h, grid_w)` format.
+        TensorShape("nv", 3),
-    """
+    ]
 
 
 Qwen2_5_VLVideoInputs = Union[Qwen2_5_VLVideoPixelInputs,
@@ -936,10 +978,6 @@ class Qwen2_5_VLForConditionalGeneration(nn.Module, SupportsMultiModal,
             image_grid_thw = self._validate_and_reshape_mm_tensor(
                 image_grid_thw, "image grid_thw")
 
-            if not isinstance(pixel_values, (torch.Tensor, list)):
-                raise ValueError("Incorrect type of image pixel values. "
-                                 f"Got type: {type(pixel_values)}")
-
             return Qwen2_5_VLImagePixelInputs(type="pixel_values",
                                               pixel_values=pixel_values,
                                               image_grid_thw=image_grid_thw)
@@ -950,9 +988,6 @@ class Qwen2_5_VLForConditionalGeneration(nn.Module, SupportsMultiModal,
             image_grid_thw = self._validate_and_reshape_mm_tensor(
                 image_grid_thw, "image grid_thw")
 
-            if not isinstance(image_embeds, torch.Tensor):
-                raise ValueError("Incorrect type of image embeddings. "
-                                 f"Got type: {type(image_embeds)}")
             return Qwen2_5_VLImageEmbeddingInputs(
                 type="image_embeds",
                 image_embeds=image_embeds,
@@ -973,7 +1008,8 @@ class Qwen2_5_VLForConditionalGeneration(nn.Module, SupportsMultiModal,
                 pixel_values_videos, "video pixel values")
             video_grid_thw = self._validate_and_reshape_mm_tensor(
                 video_grid_thw, "video grid_thw")
-
+            if second_per_grid_ts is not None and second_per_grid_ts.ndim == 2:
+                second_per_grid_ts = second_per_grid_ts.squeeze(-1)
             return Qwen2_5_VLVideoPixelInputs(
                 type="pixel_values_videos",
                 pixel_values_videos=pixel_values_videos,
@@ -987,9 +1023,6 @@ class Qwen2_5_VLForConditionalGeneration(nn.Module, SupportsMultiModal,
             video_grid_thw = self._validate_and_reshape_mm_tensor(
                 video_grid_thw, "video grid_thw")
 
-            if not isinstance(video_embeds, torch.Tensor):
-                raise ValueError("Incorrect type of video embeddings. "
-                                 f"Got type: {type(video_embeds)}")
             return Qwen2_5_VLVideoEmbeddingInputs(
                 type="video_embeds",
                 video_embeds=video_embeds,

vllm/model_executor/models/qwen2_audio.py

@@ -23,7 +23,7 @@
 # limitations under the License.
 """Inference-only Qwen2-Audio model compatible with HuggingFace weights."""
 from collections.abc import Iterable, Mapping, Sequence
-from typing import Any, Literal, Optional, TypedDict, Union
+from typing import Annotated, Any, Literal, Optional, Union
 
 import torch
 import torch.nn as nn
@@ -47,6 +47,7 @@ from vllm.multimodal.processing import (BaseMultiModalProcessor,
                                         PromptUpdate, PromptUpdateDetails)
 from vllm.multimodal.profiling import BaseDummyInputsBuilder
 from vllm.sequence import IntermediateTensors
+from vllm.utils.tensor_schema import TensorSchema, TensorShape
 
 from .interfaces import MultiModalEmbeddings, SupportsMultiModal, SupportsPP
 from .utils import (AutoWeightsLoader, init_vllm_registered_model,
@@ -54,21 +55,38 @@ from .utils import (AutoWeightsLoader, init_vllm_registered_model,
 
 
 # # === Audio Inputs === #
-class Qwen2AudioFeatureInputs(TypedDict):
+class Qwen2AudioFeatureInputs(TensorSchema):
-    type: Literal["audio_features"]
-    input_features: torch.Tensor
-    """Shape: `(num_audios, num_mel_bins, 3000)`"""
-
-    feature_attention_mask: torch.Tensor
-    """Shape: `(num_audios, 3000)`"""
-
-
-class Qwen2AudioEmbeddingInputs(TypedDict):
-    type: Literal["audio_embeds"]
-    audio_embeds: list[torch.Tensor]
-    """Shape: `(num_audio_features, hidden_size)`
-    `hidden_size` must match the hidden size of language model backbone.
     """
+    Dimensions:
+        - na: Number of audios
+        - nmb: Number of mel bins
+    """
+    type: Literal["audio_features"]
+    input_features: Annotated[
+        Union[torch.Tensor, list[torch.Tensor]],
+        TensorShape("na", "nmb", 3000),
+    ]
+
+    feature_attention_mask: Annotated[
+        torch.Tensor,
+        TensorShape("na", 3000),
+    ]
+
+
+class Qwen2AudioEmbeddingInputs(TensorSchema):
+    """
+    Dimensions:
+        - bn: Batch size
+        - naf: Number of audio features
+        - hs: Hidden size (must match the hidden size of language model
+          backbone)
+    """
+    type: Literal["audio_embeds"] = "audio_embeds"
+
+    audio_embeds: Annotated[
+        list[torch.Tensor],
+        TensorShape("bn", "naf", "hs"),
+    ]
 
 
 Qwen2AudioInputs = Union[Qwen2AudioFeatureInputs, Qwen2AudioEmbeddingInputs]

vllm/model_executor/models/qwen2_vl.py

@@ -26,7 +26,7 @@
 """Inference-only Qwen2-VL model compatible with HuggingFace weights."""
 from collections.abc import Iterable, Mapping, Sequence
 from functools import partial
-from typing import Any, Callable, Literal, Optional, TypedDict, Union
+from typing import Annotated, Any, Callable, Literal, Optional, Union
 
 import torch
 import torch.nn as nn
@@ -70,6 +70,7 @@ from vllm.platforms import _Backend, current_platform
 from vllm.sequence import IntermediateTensors
 from vllm.transformers_utils.config import uses_mrope
 from vllm.transformers_utils.tokenizer import AnyTokenizer
+from vllm.utils.tensor_schema import TensorSchema, TensorShape
 
 from .interfaces import (MultiModalEmbeddings, SupportsLoRA,
                          SupportsMultiModal, SupportsPP)
@@ -86,78 +87,119 @@ _MAX_FRAMES_PER_VIDEO = 16
 # === Vision Inputs === #
 
 
-class Qwen2VLImagePixelInputs(TypedDict):
+class Qwen2VLImagePixelInputs(TensorSchema):
-    type: Literal["pixel_values"]
-    pixel_values: torch.Tensor
-    """Shape:
-    `(num_patches, num_channels * patch_size * patch_size)`
     """
-
+    Dimensions:
-    image_grid_thw: torch.Tensor
+        - np: The total number of patches over each image over each prompt in
-    """Shape: `(num_images, 3)`
+              the batch
-    This should be in `(grid_t, grid_h, grid_w)` format.
+        - ni: Number of images
-    """
+        - cps: Number of channels * patch_size * patch_size
-
-
-class Qwen2VLImageEmbeddingInputs(TypedDict):
-    type: Literal["image_embeds"]
-    image_embeds: torch.Tensor
-    """Supported types:
-    - list[`torch.Tensor`]: A list of tensors holding all images' features.
-        Each tensor holds an image's features.
-    - `torch.Tensor`: A tensor holding all images' features
-        (concatenation of all images' feature tensors).
     
-    Tensor shape: `(num_image_features, hidden_size)`
+    Historical context:
-    - `num_image_features` varies based on
+        - pixel_values shape: (num_patches, num_channels * patch_size * 
-        the number and resolution of the images.
+          patch_size)
-    - `hidden_size` must match the hidden size of language model backbone.
+        - image_grid_thw shape: (num_images, 3) in (grid_t, grid_h, grid_w)
+          format
     """
+    type: Literal["pixel_values"]
 
-    image_grid_thw: torch.Tensor
+    pixel_values: Annotated[
-    """Shape: `(num_images, 3)`
+        torch.Tensor,
-    This should be in `(grid_t, grid_h, grid_w)` format.
+        TensorShape("np", "cps"),
+    ]
+
+    image_grid_thw: Annotated[
+        torch.Tensor,
+        TensorShape("ni", 3),
+    ]
+
+
+class Qwen2VLImageEmbeddingInputs(TensorSchema):
     """
+    Dimensions:
+        - nf: Number of image features
+        - hs: Hidden size
+        - ni: Number of images
+    
+    Historical context:
+        - image_embeds shape: (num_image_features, hidden_size)
+        - num_image_features varies based on the number and resolution of the
+          images.
+        - hidden_size must match the hidden size of language model backbone.
+        - image_grid_thw shape: (num_images, 3) in (grid_t, grid_h, grid_w)
+          format
+    """
+    type: Literal["image_embeds"]
+
+    image_embeds: Annotated[
+        torch.Tensor,
+        TensorShape("nf", "hs"),
+    ]
+
+    image_grid_thw: Annotated[
+        torch.Tensor,
+        TensorShape("ni", 3),
+    ]
 
 
 Qwen2VLImageInputs = Union[Qwen2VLImagePixelInputs,
                            Qwen2VLImageEmbeddingInputs]
 
 
-class Qwen2VLVideoPixelInputs(TypedDict):
+class Qwen2VLVideoPixelInputs(TensorSchema):
-    type: Literal["pixel_values_videos"]
-    pixel_values_videos: torch.Tensor
-    """Shape:
-    `(num_patches,
-      num_channels * temporal_patch_size * patch_size * patch_size)`
     """
-
+    Dimensions:
-    video_grid_thw: torch.Tensor
+        - np: The total number of patches over each video over each prompt in
-    """Shape: `(num_videos, 3)`
+              the batch
-
+        - ctps: Number of channels * temporal_patch_size * patch_size * 
-    This should be in `(grid_t, grid_h, grid_w)` format.
+          patch_size
-    """
+        - nv: Number of videos
-
-
-class Qwen2VLVideoEmbeddingInputs(TypedDict):
-    type: Literal["video_embeds"]
-    video_embeds: torch.Tensor
-    """Supported types:
-    - list[`torch.Tensor`]: A list of tensors holding all videos' features.
-        Each tensor holds an video's features.
-    - `torch.Tensor`: A tensor holding all videos' features
-        (concatenation of all videos' feature tensors).
     
-    Tensor shape: `(num_image_features, hidden_size)`
+    Historical context:
-    - `num_image_features` varies based on 
+        - pixel_values_videos shape: (num_patches, num_channels * 
-        the number and resolution of the videos.
+          temporal_patch_size * patch_size * patch_size)
-    - `hidden_size` must match the hidden size of language model backbone.
+        - video_grid_thw shape: (num_videos, 3) in (grid_t, grid_h, grid_w)
+          format
     """
+    type: Literal["pixel_values_videos"]
 
-    video_grid_thw: torch.Tensor
+    pixel_values_videos: Annotated[
-    """Shape: `(num_videos, 3)`
+        torch.Tensor,
-    This should be in `(grid_t, grid_h, grid_w)` format.
+        TensorShape("np", "ctps"),
+    ]
+
+    video_grid_thw: Annotated[
+        torch.Tensor,
+        TensorShape("nv", 3),
+    ]
+
+
+class Qwen2VLVideoEmbeddingInputs(TensorSchema):
     """
+    Dimensions:
+        - nf: Number of video features
+        - hs: Hidden size
+        - nv: Number of videos
+    
+    Historical context:
+        - video_embeds shape: (num_video_features, hidden_size)
+        - num_video_features varies based on the number and resolution of the
+          videos.
+        - hidden_size must match the hidden size of language model backbone.
+        - video_grid_thw shape: (num_videos, 3) in (grid_t, grid_h, grid_w)
+          format
+    """
+    type: Literal["video_embeds"]
+
+    video_embeds: Annotated[
+        torch.Tensor,
+        TensorShape("nf", "hs"),
+    ]
+
+    video_grid_thw: Annotated[
+        torch.Tensor,
+        TensorShape("nv", 3),
+    ]
 
 
 Qwen2VLVideoInputs = Union[Qwen2VLVideoPixelInputs,
@@ -1126,10 +1168,6 @@ class Qwen2VLForConditionalGeneration(nn.Module, SupportsMultiModal,
             image_grid_thw = self._validate_and_reshape_mm_tensor(
                 image_grid_thw, "image grid_thw")
 
-            if not isinstance(pixel_values, (torch.Tensor, list)):
-                raise ValueError("Incorrect type of image pixel values. "
-                                 f"Got type: {type(pixel_values)}")
-
             return Qwen2VLImagePixelInputs(type="pixel_values",
                                            pixel_values=pixel_values,
                                            image_grid_thw=image_grid_thw)
@@ -1140,9 +1178,6 @@ class Qwen2VLForConditionalGeneration(nn.Module, SupportsMultiModal,
             image_grid_thw = self._validate_and_reshape_mm_tensor(
                 image_grid_thw, "image grid_thw")
 
-            if not isinstance(image_embeds, torch.Tensor):
-                raise ValueError("Incorrect type of image embeddings. "
-                                 f"Got type: {type(image_embeds)}")
             return Qwen2VLImageEmbeddingInputs(type="image_embeds",
                                                image_embeds=image_embeds,
                                                image_grid_thw=image_grid_thw)
@@ -1174,9 +1209,6 @@ class Qwen2VLForConditionalGeneration(nn.Module, SupportsMultiModal,
             video_grid_thw = self._validate_and_reshape_mm_tensor(
                 video_grid_thw, "video grid_thw")
 
-            if not isinstance(video_embeds, torch.Tensor):
-                raise ValueError("Incorrect type of video embeddings. "
-                                 f"Got type: {type(video_embeds)}")
             return Qwen2VLVideoEmbeddingInputs(type="video_embeds",
                                                video_embeds=video_embeds,
                                                video_grid_thw=video_grid_thw)