EXPORTS
    swr_alloc
    swr_alloc_set_opts
    swr_build_matrix
    swr_close
    swr_config_frame
    swr_convert
    swr_convert_frame
    swr_drop_output
    swr_ffversion
    swr_free
    swr_get_class
    swr_get_delay
    swr_get_out_samples
    swr_init
    swr_inject_silence
    swr_is_initialized
    swr_next_pts
    swr_set_channel_mapping
    swr_set_compensation
    swr_set_matrix
    swresample_configuration
    swresample_license
    swresample_version