* Simplify Python code by receiving tuple from C, as per python-pillow#8740

* Use default PyTypeObject value

* Removed AVIF_TRUE

* Width and height are already set on first frame

* Removed memset

* Depth is set by avifRGBImageSetDefaults

* Replace PyObject with int

* After a failed pixel allocation, destroy non-first frame

* Added error if avifImageCreateEmpty returns NULL

* Python images cannot have negative dimensions

* Test invalid canvas dimensions

* Use boolean format argument

* Handle avifDecoderCreate and avifEncoderCreate errors

* tileRowsLog2 and tileColsLog2 are ignored if autotiling is enabled

* Only define _add_codec_specific_options if it may be used

* Test non-string advanced value

* Simplified error handling in AvifEncoderNew

* Corrected heading

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Co-authored-by: Andrew Murray <radarhere@users.noreply.github.com>