Add image text to text pipeline (#34170)

* Standardize image-text-to-text-models-output

add post_process_image_text_to_text to chameleon and cleanup

Fix legacy kwarg behavior and deprecation warning

add post_process_image_text_to_text to qwen2_vl and llava_onevision

Add post_process_image_text_to_text to idefics3, mllama, pixtral processor

* nit var name post_process_image_text_to_text udop

* nit fix deprecation warnings

* Add image-text-to-text pipeline

* add support for image url in chat template for pipeline

* Reformat to be fully compatible with chat templates

* Add tests chat template

* Fix imports and tests

* Add pipeline tag

* change logic handling of single prompt ans multiple images

* add pipeline mapping to models

* fix batched inference

* fix tests

* Add manual batching for preprocessing

* Fix outputs with nested images

* Add support for all common processing kwargs

* Add default padding when multiple text inputs (batch size>1)

* nit change version deprecation warning

* Add support for text only inference

* add chat_template warnings

* Add pipeline tests and add copied from post process function

* Fix batched pipeline tests

* nit

* Fix pipeline tests blip2

* remove unnecessary max_new_tokens

* revert processing kosmos2 and remove unnecessary max_new_tokens

* fix pipeline tests idefics

* Force try loading processor if pipeline supports it

* revert load_processor change

* hardcode loading only processor

* remove unnecessary try except

* skip imagetexttotext tests for kosmos2 as tiny model causes problems

* Make code clearer

* Address review comments

* remove preprocessing logic from pipeline

* fix fuyu

* add BC resize fuyu

* Move post_process_image_text_to_text to ProcessorMixin

* add guard in post_process

* fix zero shot object detection pipeline

* add support for generator input in pipeline

* nit

* change default image-text-to-text model to llava onevision

* fix owlv2 size dict

* Change legacy deprecation warning to only show when True

utils/update_metadata.py

@@ -69,6 +69,7 @@ PIPELINE_TAGS_AND_AUTO_MODELS = [
     ("automatic-speech-recognition", "MODEL_FOR_CTC_MAPPING_NAMES", "AutoModelForCTC"),
     ("image-classification", "MODEL_FOR_IMAGE_CLASSIFICATION_MAPPING_NAMES", "AutoModelForImageClassification"),
     ("image-segmentation", "MODEL_FOR_IMAGE_SEGMENTATION_MAPPING_NAMES", "AutoModelForImageSegmentation"),
+    ("image-text-to-text", "MODEL_FOR_IMAGE_TEXT_TO_TEXT_MAPPING_NAMES", "AutoModelForImageTextToText"),
     ("image-to-image", "MODEL_FOR_IMAGE_TO_IMAGE_MAPPING_NAMES", "AutoModelForImageToImage"),
     ("fill-mask", "MODEL_FOR_MASKED_LM_MAPPING_NAMES", "AutoModelForMaskedLM"),
     ("object-detection", "MODEL_FOR_OBJECT_DETECTION_MAPPING_NAMES", "AutoModelForObjectDetection"),