[Model] Enable video support for InternVL3.5 models (#23658)

Signed-off-by: Isotr0py <mozf@mail2.sysu.edu.cn>

vllm/model_executor/models/internvl.py

@@ -855,9 +855,13 @@ class InternVLProcessingInfo(BaseInternVLProcessingInfo):
 
     def get_video_token(self) -> Optional[str]:
         text_model_type = self.get_hf_config().get_text_config().model_type
-        if text_model_type == "qwen2":
-            return "<|video_pad|>"
-        return None
+        video_token_map = {
+            "qwen2": "<|video_pad|>",
+            "qwen3": "<|video_pad|>",
+            "qwen3_moe": "<|video_pad|>",
+            "gpt_oss": "<|reserved_200000|>",
+        }
+        return video_token_map.get(text_model_type)
 
     def get_num_frames_with_most_features(
         self,