mtmd-cli : fix out_of_range when input image path is empty (#13244)
* fix out_of_range error to keep the chat loop running
* Update examples/llava/mtmd-cli.cpp
Co-authored-by: Sigbjørn Skjæret <sigbjorn.skjaeret@scala.com>
* mtmd-cli : load image right away
* add a new line for readability
* rm printf
* Update examples/llava/mtmd-cli.cpp
Co-authored-by: Sigbjørn Skjæret <sigbjorn.skjaeret@scala.com>
* Update examples/llava/mtmd-cli.cpp
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Co-authored-by: Sigbjørn Skjæret <sigbjorn.skjaeret@scala.com>
Co-authored-by: Xuan Son Nguyen <son@huggingface.co>
Co-authored-by: Xuan-Son Nguyen <thichthat@gmail.com>