[LTX-2.5] Support the SDR-To-HDR IC-LoRA in LTX2HDRPipeline

src/diffusers/utils/__init__.py

@@ -97,6 +97,7 @@
     is_nvidia_modelopt_version,
     is_onnx_available,
     is_opencv_available,
+    is_openexr_available,
     is_optimum_quanto_available,
     is_optimum_quanto_version,
     is_outlines_available,

src/diffusers/utils/import_utils.py

@@ -220,6 +220,7 @@ def _is_package_available(pkg_name: str, get_dist_name: bool = False) -> tuple[b
 _sdnq_available, _sdnq_version = _is_package_available("sdnq")
 _flashpack_available, _flashpack_version = _is_package_available("flashpack")
 _av_available, _av_version = _is_package_available("av")
+_openexr_available, _openexr_version = _is_package_available("OpenEXR")
 
 
 def is_torch_available():
@@ -422,6 +423,10 @@ def is_av_available():
     return _av_available
 
 
+def is_openexr_available():
+    return _openexr_available
+
+
 # docstyle-ignore
 INFLECT_IMPORT_ERROR = """
 {0} requires the inflect library but it was not found in your environment. You can install it with pip: `pip install

tests/pipelines/ltx2/test_ltx2_hdr.py

@@ -55,7 +55,7 @@ class LTX2HDRPipelineTesterConfig(LTX2BaseTesterConfig):
     optional_input_params = frozenset(
         ["num_inference_steps", "num_videos_per_prompt", "generator", "latents", "output_type", "return_dict"]
     )
-    unset_components = ("audio_scheduler",)
+    unset_components = ("audio_scheduler", "diffusion_decoder")
 
     def get_dummy_inputs(self):
         generator = self.get_generator(0)