transformers videollama2_mistral text-generation multimodal large language model large video-language model visual-question-answering en dataset:OpenGVLab/VideoChat2-IT dataset:Lin-Chen/ShareGPT4V dataset:liuhaotian/LLaVA-Instruct-150K arxiv:2406.07476 arxiv:2306.02858 license:apache-2.0 autotrain_compatible endpoints_compatible region:us