Nesting of php (help)

hi wp

I have custom field which holds a youtube url
i generally use the below code to display the value

<?php echo get_post_meta($post->ID, 'movie', true); ?>

i recently installed

the above plugin uses the below code to display a video (from a template)

<?php youtube_video_embed( 'https://www.youtube.com/watch?v=fL4BjC5Irf8');?>

i just need to replace the youtube link with my custom field youtube url

i tried using

<?php youtube_video_embed( '.get_post_meta($post->ID, 'movie', true). ');?>

but it doesn’t work… i aint that good with php code please help

Thank you ??