[diffusion] chore: further refine output resolution adjustment logic (#14558)

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

python/sglang/multimodal_gen/configs/sample/flux.py

@@ -8,9 +8,6 @@ from sglang.multimodal_gen.configs.sample.sampling_params import SamplingParams
 
 @dataclass
 class FluxSamplingParams(SamplingParams):
-    # Video parameters
-    # height: int = 1024
-    # width: int = 1024
     num_frames: int = 1
     # Denoising stage
     guidance_scale: float = 1.0

python/sglang/multimodal_gen/configs/sample/qwenimage.py

@@ -8,9 +8,6 @@ from sglang.multimodal_gen.configs.sample.sampling_params import SamplingParams
 
 @dataclass
 class QwenImageSamplingParams(SamplingParams):
-    # Video parameters
-    # height: int = 1024
-    # width: int = 1024
     negative_prompt: str = " "
     num_frames: int = 1
     # Denoising stage

python/sglang/multimodal_gen/configs/sample/sampling_params.py

@@ -192,10 +192,8 @@ class SamplingParams:
 
         if self.width is None:
             self.width_not_provided = True
-            self.width = 1280
         if self.height is None:
             self.height_not_provided = True
-            self.height = 720
 
     def check_sampling_param(self):
         if self.prompt_path and not self.prompt_path.endswith(".txt"):