pub unsafe extern "C" fn transcoder_transcode_image_level(
    transcoder: *mut Transcoder,
    pData: *const c_void,
    data_size: u32,
    image_index: u32,
    level_index: u32,
    pOutput_blocks: *mut c_void,
    output_blocks_buf_size_in_blocks_or_pixels: u32,
    fmt: basist_transcoder_texture_format,
    decode_flags: basist_basisu_decode_flags,
    output_row_pitch_in_blocks_or_pixels: u32,
    pState: *mut basist_basisu_transcoder_state,
    output_rows_in_pixels: u32
) -> bool